mume-with-litvis
Version:
Fork of mume with added http://litvis.org/
16,772 lines • 566 kB
JavaScript
/*************************************************************
*
* MathJax/extensions/TeX/xypic.js
*
* Implements Xy-pic environment.
*
* ---------------------------------------------------------------------
*
* Copyright (c) 2011-2014 Isao Sonobe <sonoisa@gmail.com>.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function () {
var FP = MathJax.Extension.fp = {
version: "0.1"
};
/************ Matcher **************/
FP.Matcher = MathJax.Object.Subclass({
Init: function () { this.cases = []; },
Case: function (klass, f) {
this.cases.push([klass, f]);
return this;
},
match: function (x) {
if (x instanceof Object && "isa" in x) {
var i, count, klass, op;
i = 0;
count = this.cases.length;
while (i < count) {
klass = this.cases[i][0];
if (x.isa(klass)) {
op = klass.unapply(x);
if (op.isDefined) {
return this.cases[i][1](op.get);
}
}
i = i + 1;
}
}
throw FP.MatchError(x);
}
});
/************ Option **************/
FP.Option = MathJax.Object.Subclass({});
FP.Option.Some = FP.Option.Subclass({
Init: function (value) {
this.get = value;
},
isEmpty: false,
isDefined: true,
getOrElse: function (ignore) { return this.get; },
flatMap: function (k) {
return k(this.get);
},
map: function (f) {
return FP.Option.Some(f(this.get));
},
foreach: function (f) {
f(this.get);
},
toString: function () {
return "Some(" + this.get + ")";
}
}, {
unapply: function (x) { return FP.Option.Some(x.get); }
});
FP.Option.None = FP.Option.Subclass({
Init: function () {},
isEmpty: true,
isDefined: false,
getOrElse: function (value) { return value; },
flatMap: function (k) { return this; },
foreach: function (f) {},
map: function (k) { return this; },
toString: function () { return "None"; }
}, {
unapply: function (x) { return FP.Option.Some(x); }
});
FP.Option.Augment({}, {
empty: FP.Option.None()
});
/************ List **************/
FP.List = MathJax.Object.Subclass({});
FP.List.Cons = FP.List.Subclass({
Init: function (head, tail) {
this.head = head;
this.tail = tail;
},
isEmpty: false,
at: function (index) {
if (index < 0 || index >= this.length()) {
throw Error("no such element at " + index + ". index must be lower than " + this.length() + ".");
}
var t = this;
for (var i = 0; i < index; i++) {
t = t.tail;
}
return t.head;
},
length: function () {
var t = this;
var l = 0;
while (!t.isEmpty) {
l++;
t = t.tail;
}
return l;
},
prepend: function (element) {
return FP.List.Cons(element, this);
},
append: function (element) {
var result = FP.List.Cons(element, FP.List.empty);
this.reverse().foreach(function (e) {
result = FP.List.Cons(e, result);
});
return result;
},
concat: function (that) {
var result = that;
this.reverse().foreach(function (e) {
result = FP.List.Cons(e, result);
});
return result;
},
foldLeft: function (x0, f) {
var r, c;
r = f(x0, this.head);
c = this.tail;
while (!c.isEmpty) {
r = f(r, c.head);
c = c.tail;
}
return r;
},
foldRight: function (x0, f) {
if (this.tail.isEmpty) {
return f(this.head, x0);
} else {
return f(this.head, this.tail.foldRight(x0, f));
}
},
map: function (f) {
return FP.List.Cons(f(this.head), this.tail.map(f));
},
flatMap: function (k) {
return k(this.head).concat(this.tail.flatMap(k));
},
foreach: function (f) {
var e = this;
while (!e.isEmpty) {
f(e.head);
e = e.tail;
}
},
reverse: function () {
var r = FP.List.empty;
this.foreach(function (c) {
r = FP.List.Cons(c, r);
});
return r;
},
mkString: function () {
var open, delim, close;
switch (arguments.length) {
case 0:
open = delim = close = "";
break;
case 1:
delim = arguments[0];
open = close = "";
break;
case 2:
open = arguments[0];
delim = arguments[1];
close = "";
break;
default:
open = arguments[0];
delim = arguments[1];
close = arguments[2];
break;
}
var desc, nxt;
desc = open + this.head.toString();
nxt = this.tail;
while (nxt.isa(FP.List.Cons)) {
desc += delim + nxt.head.toString();
nxt = nxt.tail;
}
desc += close;
return desc;
},
toString: function () {
return this.mkString("[", ", ", "]");
}
}, {
unapply: function (x) { return FP.Option.Some([x.head, x.tail]); }
});
FP.List.Nil = FP.List.Subclass({
isEmpty: true,
at: function (index) {
throw Error("cannot get element from an empty list.");
},
length: function () { return 0; },
prepend: function (element) {
return FP.List.Cons(element, FP.List.empty);
},
append: function (element) {
return FP.List.Cons(element, FP.List.empty);
},
concat: function (that) {
return that;
},
foldLeft: function (x0, f) { return x0; },
foldRight: function (x0, f) { return x0; },
flatMap: function (f) { return this; },
map: function (f) { return this; },
foreach: function (f) {},
reverse: function () { return this; },
mkString: function () {
switch (arguments.length) {
case 0:
case 1:
return "";
case 2:
return arguments[0]
default:
return arguments[0]+arguments[2];
}
},
toString: function () { return '[]'; }
}, {
unapply: function (x) { return FP.Option.Some(x); }
});
FP.List.Augment({}, {
empty: FP.List.Nil(),
fromArray: function (as) {
var list, i;
list = FP.List.empty;
i = as.length - 1;
while (i >= 0) {
list = FP.List.Cons(as[i], list);
i -= 1;
}
return list;
}
});
/************ MatchError **************/
FP.MatchError = MathJax.Object.Subclass({
Init: function (obj) { this.obj = obj; },
// getMessage: function () {
// if (this.obj === null) {
// return "null"
// } else {
// return obj.toString() + " (of class " + obj. + ")"
// }
// }
toString: function () { return "MatchError(" + this.obj + ")"; }
});
/************ OffsetPosition **************/
FP.OffsetPosition = MathJax.Object.Subclass({
Init: function (source, offset) {
// assert(source.length >= offset)
this.source = source;
if (offset === undefined) { this.offset = 0; } else { this.offset = offset; }
this._index = null;
this._line = null;
},
index: function () {
if (this._index !== null) { return this._index; }
this._index = [];
this._index.push(0);
var i = 0;
while (i < this.source.length) {
if (this.source.charAt(i) === '\n') { this._index.push(i + 1); }
i += 1;
}
this._index.push(this.source.length);
return this._index;
},
line: function () {
var lo, hi, mid;
if (this._line !== null) { return this._line; }
lo = 0;
hi = this.index().length - 1;
while (lo + 1 < hi) {
mid = (hi + lo) >> 1;
if (this.offset < this.index()[mid]) {
hi = mid;
} else {
lo = mid;
}
}
this._line = lo + 1;
return this._line;
},
column: function () {
return this.offset - this.index()[this.line() - 1] + 1;
},
lineContents: function () {
var i, l;
i = this.index();
l = this.line();
return this.source.substring(i[l - 1], i[l]);
},
toString: function () { return this.line().toString() + '.' + this.column(); },
longString: function () {
var desc, i;
desc = this.lineContents() + '\n';
i = 0;
while (i < this.column()) {
if (this.lineContents().charAt(i) === '\t') {
desc += '\t';
} else {
desc += ' ';
}
i += 1;
}
desc += '^';
return desc;
},
isLessThan: function (that) {
if (that.isa(FP.OffsetPosition)) {
return this.offset < that.offset;
} else {
return (
this.line() < that.line() ||
(this.line() === that.line() && this.column() < that.column())
);
}
}
});
/************ StringReader **************/
FP.StringReader = MathJax.Object.Subclass({
Init: function (source, offset, context) {
this.source = source;
this.offset = offset;
this.context = context;
},
first: function () {
if (this.offset < this.source.length) {
return this.source.charAt(this.offset);
} else {
return FP.StringReader.EofCh;
}
},
rest: function () {
if (this.offset < this.source.length) {
return FP.StringReader(this.source, this.offset + 1, this.context);
} else {
return this;
}
},
pos: function () { return FP.OffsetPosition(this.source, this.offset); },
atEnd: function () { return this.offset >= this.source.length; },
drop: function (n) {
var r, count;
r = this;
count = n;
while (count > 0) {
r = r.rest();
count -= 1;
}
return r;
}
}, {
EofCh: '\x03'
});
/************ Parsers **************/
FP.Parsers = MathJax.Object.Subclass({}, {
parse: function (p, input) {
return p.apply(input);
},
parseAll: function (p, input) {
return p.andl(function () { return FP.Parsers.eos(); }).apply(input);
},
parseString: function (p, str) {
var input = FP.StringReader(str, 0, { lastNoSuccess: undefined });
return FP.Parsers.parse(p, input);
},
parseAllString: function (p, str) {
var input = FP.StringReader(str, 0, { lastNoSuccess: undefined });
return FP.Parsers.parseAll(p, input);
},
_handleWhiteSpace: function (input) {
var whiteSpaceRegex = input.context.whiteSpaceRegex;
var source = input.source;
var offset = input.offset;
var m = whiteSpaceRegex.exec(source.substring(offset, source.length));
if (m !== null) {
return offset + m[0].length;
} else {
return offset;
}
},
literal: function (str) {
return FP.Parsers.Parser(function (input) {
var source, offset, start, i, j, found;
source = input.source;
offset = input.offset;
start = FP.Parsers._handleWhiteSpace(input);
i = 0;
j = start;
while (i < str.length && j < source.length &&
str.charAt(i) === source.charAt(j)) {
i += 1;
j += 1;
}
if (i === str.length) {
return FP.Parsers.Success(str, input.drop(j - offset));
} else {
if (start === source.length) {
found = "end of source";
} else {
found = "`" + source.charAt(start) + "'";
}
return FP.Parsers.Failure(
"`" + str + "' expected but " + found + " found",
input.drop(start - offset)
);
}
});
},
regex: function (rx /* must start with ^ */) {
if (rx.toString().substring(0, 2) !== "/^") {
throw ("regex must start with `^' but " + rx);
}
return FP.Parsers.Parser(function (input) {
var source, offset, m, found;
source = input.source;
offset = input.offset;
m = rx.exec(source.substring(offset, source.length));
if (m !== null) {
return FP.Parsers.Success(m[0], input.drop(m[0].length));
} else {
if (offset === source.length) {
found = "end of source";
} else {
found = "`" + source.charAt(offset) + "'";
}
return FP.Parsers.Failure(
"string matching regex " + rx + " expected but " + found + " found",
input
);
}
});
},
regexLiteral: function (rx /* must start with ^ */) {
if (rx.toString().substring(0, 2) !== "/^") {
throw ("regex must start with `^' but " + rx);
}
return FP.Parsers.Parser(function (input) {
var source, offset, start, m, found;
source = input.source;
offset = input.offset;
start = FP.Parsers._handleWhiteSpace(input);
m = rx.exec(source.substring(start, source.length));
if (m !== null) {
return FP.Parsers.Success(m[0], input.drop(start + m[0].length - offset));
} else {
if (start === source.length) {
found = "end of source";
} else {
found = "`" + source.charAt(start) + "'";
}
return FP.Parsers.Failure(
"string matching regex " + rx + " expected but " + found + " found",
input.drop(start - offset)
);
}
});
},
eos: function () {
return FP.Parsers.Parser(function (input) {
var source, offset, start;
source = input.source;
offset = input.offset;
start = FP.Parsers._handleWhiteSpace(input);
if (source.length === start) {
return FP.Parsers.Success("", input);
} else {
return FP.Parsers.Failure("end of source expected but `" +
source.charAt(start) + "' found", input);
}
});
},
commit: function (/*lazy*/ p) {
return FP.Parsers.Parser(function (input) {
var res = p()(input);
return (FP.Matcher()
.Case(FP.Parsers.Success, function (x) { return res; })
.Case(FP.Parsers.Error, function (x) { return res; })
.Case(FP.Parsers.Failure, function (x) {
return FP.Parsers.Error(x[0], x[1]);
}).match(res)
);
});
},
//elem: function (kind, p)
elem: function (e) { return FP.Parsers.accept(e).named('"' + e + '"'); },
accept: function (e) {
return FP.Parsers.acceptIf(
function (x) { return x === e; },
function (x) { return "`" + e + "' expected but `" + x + "' found"; }
);
},
acceptIf: function (p, err) {
return FP.Parsers.Parser(function (input) {
if (p(input.first())) {
return FP.Parsers.Success(input.first(), input.rest());
} else {
return FP.Parsers.Failure(err(input.first()), input);
}
});
},
//acceptMatch: function (expected, f)
//acceptSeq: function (es)
failure: function (msg) {
return FP.Parsers.Parser(function (input) {
return FP.Parsers.Failure(msg, input);
});
},
err: function (msg) {
return FP.Parsers.Parser(function (input) {
return FP.Parsers.Error(msg, input);
});
},
success: function (v) {
return FP.Parsers.Parser(function (input) {
return FP.Parsers.Success(v, input);
});
},
log: function (/*lazy*/ p, name) {
return FP.Parsers.Parser(function (input) {
console.log("trying " + name + " at " + input);
var r = p().apply(input);
console.log(name + " --> " + r);
return r;
});
},
rep: function (/*lazy*/ p) {
var s = FP.Parsers.success(FP.List.empty);
return FP.Parsers.rep1(p).or(function () { return s; });
},
rep1: function (/*lazy*/ p) {
return FP.Parsers.Parser(function (input) {
var elems, i, p0, res;
elems = [];
i = input;
p0 = p();
res = p0.apply(input);
if (res.isa(FP.Parsers.Success)) {
while (res.isa(FP.Parsers.Success)) {
elems.push(res.result);
i = res.next;
res = p0.apply(i);
}
return FP.Parsers.Success(FP.List.fromArray(elems), i);
} else {
return res;
}
});
},
//rep1: function (/*lazy*/ first, /*lazy*/ p)
repN: function (num, /*lazy*/ p) {
if (num === 0) {
return FP.Parsers.success(FP.List.empty);
}
return FP.Parsers.Parser(function (input) {
var elems, i, p0, res;
elems = [];
i = input;
p0 = p();
res = p0.apply(i);
while (res.isa(FP.Parsers.Success)) {
elems.push(res.result);
i = res.next;
if (num === elems.length) {
return FP.Parsers.Success(FP.List.fromArray(elems), i);
}
res = p0.apply(i);
}
return res; // NoSuccess
});
},
repsep: function (/*lazy*/ p, /*lazy*/ q) {
var s = FP.Parsers.success(FP.List.empty);
return FP.Parsers.rep1sep(p, q).or(function () { return s; });
},
rep1sep: function (/*lazy*/ p, /*lazy*/ q) {
return p().and(FP.Parsers.rep(q().andr(p))).to(function (res) {
return FP.List.Cons(res.head, res.tail);
});
},
// chainl1: function (/*lazy*/ p, /*lazy*/ q) {
// return this.chainl1(p, p, q)
// },
chainl1: function (/*lazy*/ first, /*lazy*/ p, /*lazy*/ q) {
return first().and(FP.Parsers.rep(q().and(p))).to(function (res) {
return res.tail.foldLeft(res.head, function (a, fb) { return fb.head(a, fb.tail); });
});
},
chainr1: function (/*lazy*/ p, /*lazy*/ q, combine, first) {
return p().and(this.rep(q().and(p))).to(function (res) {
return FP.List.Cons(FP.Parsers.Pair(combine, res.head),
res.tail).foldRight(first, function (fa, b) { return fa.head(fa.tail, b); }
);
});
},
opt: function (/*lazy*/ p) {
return p().to(function (x) {
return FP.Option.Some(x);
}).or(function () {
return FP.Parsers.success(FP.Option.empty);
});
},
not: function (/*lazy*/ p) {
return FP.Parsers.Parser(function (input) {
var r = p().apply(input);
if (r.successful) {
return FP.Parsers.Failure("Expected failure", input);
} else {
return FP.Parsers.Success(FP.Option.empty, input);
}
});
},
guard: function (/*lazy*/ p) {
return FP.Parsers.Parser(function (input) {
var r = p().apply(input);
if (r.successful) {
return FP.Parsers.Success(r.result, input);
} else {
return r;
}
});
},
//positioned: function (/*lazy*/ p)
//phrase: function (p)
mkList: function (pair) { return FP.List.Cons(pair.head, pair.tail); },
fun: function (x) { return function () { return x; }; },
lazyParser: function (x) {
var lit, r;
if (x instanceof String || (typeof x) === "string") {
lit = FP.Parsers.literal(x);
return function () { return lit; };
} else if (x instanceof Function) {
// x is deemed to be a function which has the return value as Parser.
return x;
} else if (x instanceof Object) {
if("isa" in x && x.isa(FP.Parsers.Parser)) {
return function () { return x; };
} else if (x instanceof RegExp) {
r = FP.Parsers.regexLiteral(x);
return function () { return r; };
} else {
return FP.Parsers.err("unhandlable type");
}
} else {
return FP.Parsers.err("unhandlable type");
}
},
seq: function () {
var count, parser, i;
count = arguments.length;
if (count === 0) { return FP.Parsers.err("at least one element must be specified"); }
parser = FP.Parsers.lazyParser(arguments[0])();
i = 1;
while (i < count) {
parser = parser.and(FP.Parsers.lazyParser(arguments[i]));
i += 1;
}
return parser;
},
or: function () {
var count, parser, i;
count = arguments.length;
if (count === 0) { return FP.Parsers.err("at least one element must be specified"); }
parser = FP.Parsers.lazyParser(arguments[0])();
i = 1;
while (i < count) {
parser = parser.or(FP.Parsers.lazyParser(arguments[i]));
i += 1;
}
return parser;
}
});
/************ Pair **************/
FP.Parsers.Pair = MathJax.Object.Subclass({
Init: function (head, tail) {
this.head = head;
this.tail = tail;
},
toString: function () { return '(' + this.head + '~' + this.tail + ')'; }
}, {
unapply: function (x) { return FP.Option.Some([x.head, x.tail]); }
});
/************ ParseResult **************/
FP.Parsers.ParseResult = MathJax.Object.Subclass({
Init: function () {},
isEmpty: function () { return !this.successful; },
getOrElse: function (/*lazy*/ defaultValue) {
if (this.isEmpty) { return defaultValue(); } else { return this.get(); }
}
});
/************ Success **************/
FP.Parsers.Success = FP.Parsers.ParseResult.Subclass({
Init: function (result, next) {
this.result = result;
this.next = next;
},
map: function (f) { return FP.Parsers.Success(f(this.result), this.next); },
mapPartial: function (f, err) {
try {
return FP.Parsers.Success(f(this.result), this.next);
} catch (e) {
if ("isa" in e && e.isa(FP.MatchError)) {
return FP.Parsers.Failure(err(this.result), this.next);
} else {
throw e;
}
}
},
flatMapWithNext: function (f) { return f(this.result).apply(this.next); },
append: function (/*lazy*/ a) { return this; },
get: function () { return this.result; },
successful: true,
toString: function () { return '[' + this.next.pos() + '] parsed: ' + this.result; }
}, {
unapply: function (x) { return FP.Option.Some([x.result, x.next]); }
});
/************ NoSuccess **************/
FP.Parsers.NoSuccess = FP.Parsers.ParseResult.Subclass({
Init: function () {},
_setLastNoSuccess: function () {
var context = this.next.context;
if (context.lastNoSuccess === undefined || !this.next.pos().isLessThan(context.lastNoSuccess.next.pos())) {
context.lastNoSuccess = this;
}
},
map: function (f) { return this; },
mapPartial: function (f, error) { return this; },
flatMapWithNext: function (f) { return this; },
get: function () { return FP.Parsers.error("No result when parsing failed"); },
successful: false
});
/************ Failure **************/
FP.Parsers.Failure = FP.Parsers.NoSuccess.Subclass({
Init: function (msg, next) {
this.msg = msg;
this.next = next;
this._setLastNoSuccess();
},
append: function (/*lazy*/ a) {
var alt = a();
if (alt.isa(FP.Parsers.Success)) {
return alt;
} else if (alt.isa(FP.Parsers.NoSuccess)) {
if (alt.next.pos().isLessThan(this.next.pos())) {
return this;
} else {
return alt;
}
} else {
throw FP.MatchError(alt);
}
},
toString: function () { return ('[' + this.next.pos() + '] failure: ' +
this.msg + '\n\n' + this.next.pos().longString()); }
}, {
unapply: function (x) { return FP.Option.Some([x.msg, x.next]); }
});
/************ Error **************/
FP.Parsers.Error = FP.Parsers.NoSuccess.Subclass({
Init: function (msg, next) {
this.msg = msg;
this.next = next;
this._setLastNoSuccess();
},
append: function (/*lazy*/ a) { return this; },
toString: function () { return ('[' + this.next.pos() + '] error: ' +
this.msg + '\n\n' + this.next.pos().longString()); }
}, {
unapply: function (x) { return FP.Option.Some([x.msg, x.next]); }
});
/************ Parser **************/
FP.Parsers.Parser = MathJax.Object.Subclass({
Init: function (f) { this.apply = f; },
name: '',
named: function (name) { this.name = name; return this; },
toString: function () { return 'Parser (' + this.name + ')'; },
flatMap: function (f) {
var app = this.apply;
return FP.Parsers.Parser(function (input) {
return app(input).flatMapWithNext(f);
});
},
map: function (f) {
var app = this.apply;
return FP.Parsers.Parser(function (input) {
return app(input).map(f);
});
},
append: function (/*lazy*/ p) {
var app = this.apply;
return FP.Parsers.Parser(function (input) {
return app(input).append(function () {
return p().apply(input);
});
});
},
and: function (/*lazy*/ p) {
return this.flatMap(function (a) {
return p().map(function (b) {
return FP.Parsers.Pair(a, b);
});
}).named('~');
},
andr: function (/*lazy*/ p) {
return this.flatMap(function (a) {
return p().map(function (b) {
return b;
});
}).named('~>');
},
andl: function (/*lazy*/ p) {
return this.flatMap(function (a) {
return p().map(function (b) {
return a;
});
}).named('<~');
},
or: function (/*lazy*/ q) { return this.append(q).named("|"); },
andOnce: function (/*lazy*/ p) {
var flatMap = this.flatMap;
return FP.Parsers.OnceParser(function () {
return flatMap(function (a) {
return FP.Parsers.commit(p).map(function (b) {
return FP.Parsers.Pair(a, b);
});
}).named('~!');
});
},
longestOr: function (/*lazy*/ q0) {
var app = this.apply;
return FP.Parsers.Parser(function (input) {
var res1, res2;
res1 = app(input);
res2 = q0()(input);
if (res1.successful) {
if (res2.successful) {
if (res2.next.pos().isLessThan(res1.next.pos())) {
return res1;
} else {
return res2;
}
} else {
return res1;
}
} else if (res2.successful) {
return res2;
} else if (res1.isa(FP.Parsers.Error)) {
return res1;
} else {
if (res2.next.pos().isLessThan(res1.next.pos())) {
return res1;
} else {
return res2;
}
}
}).named("|||");
},
to: function (f) { return this.map(f).named(this.toString() + '^^'); },
ret: function (/*lazy*/ v) {
var app = this.apply;
return FP.Parsers.Parser(function (input) {
return app(input).map(function (x) { return v(); });
}).named(this.toString() + "^^^");
},
toIfPossible: function (f, error) {
if (error === undefined) {
error = function (r) { return "Constructor function not defined at " + r; };
}
var app = this.apply;
return FP.Parsers.Parser(function (input) {
return app(input).mapPartial(f, error);
}).named(this.toString() + "^?");
},
into: function (fq) { return this.flatMap(fq); },
rep: function () {
var p = this;
return FP.Parsers.rep(function () { return p; });
},
chain: function (/*lazy*/ sep) {
var p, lp;
p = this;
lp = function () { return p; };
return FP.Parsers.chainl1(lp, lp, sep);
},
rep1: function () {
var p = this;
return FP.Parsers.rep1(function () { return p; });
},
opt: function () {
var p = this;
return FP.Parsers.opt(function () { return p; });
}
});
/************ OnceParser **************/
FP.Parsers.OnceParser = FP.Parsers.Parser.Subclass({
Init: function (f) { this.apply = f; },
and: function (p) {
var flatMap = this.flatMap;
return FP.Parsers.OnceParser(function () {
return flatMap(function (a) {
return FP.Parsers.commit(p).map(function (b) {
return FP.Parsers.Pair(a, b);
});
});
}).named('~');
}
});
MathJax.Hub.Startup.signal.Post("Functional Programming library Ready");
})();
MathJax.Extension.xypic = {
version: "0.1",
constants: {
whiteSpaceRegex: /^(\s+|%[^\r\n]*(\r\n|\r|\n)?)+/,
unsupportedBrowserErrorMessage: "Unsupported Browser. Please open with Firefox/Safari/Chrome/Opera"
},
signalHandler: {
signals: [],
hookedSignals: [],
chains: [],
chainSignal: function (successor, predecessors) {
for (var i = 0; i < predecessors.length; i++) {
MathJax.Extension.xypic.signalHandler.addSignal(predecessors[i]);
}
MathJax.Extension.xypic.signalHandler.chains.push({succ:successor, pred:predecessors});
},
addSignal: function (signal) {
var signals = MathJax.Extension.xypic.signalHandler.signals;
for (var i = 0; i < signals.length; i++) {
if (signals[i] === signal) {
return;
}
}
MathJax.Extension.xypic.signalHandler.signals.push(signal);
var handler = MathJax.Extension.xypic.signalHandler.handleSignal(signal);
MathJax.Hub.Register.StartupHook(signal, handler);
},
handleSignal: function (signal) {
return function () {
MathJax.Extension.xypic.signalHandler.hookedSignals.push(signal);
MathJax.Extension.xypic.signalHandler.handleChains();
}
},
handleChains: function () {
var i = 0;
var chains = MathJax.Extension.xypic.signalHandler.chains;
var remainingChains = [];
var invokableSignals = [];
while (i < chains.length) {
var c = chains[i];
var pred = c.pred;
var invokable = true;
for (var j = 0; j < pred.length; j++) {
var p = pred[j];
if (!MathJax.Extension.xypic.signalHandler.listenedSignal(p)) {
invokable = false;
break;
}
}
if (invokable) {
invokableSignals.push(c.succ);
} else {
remainingChains.push(c);
}
i++;
}
MathJax.Extension.xypic.signalHandler.chains = remainingChains;
for (i = 0; i < invokableSignals.length; i++) {
MathJax.Hub.Startup.signal.Post(invokableSignals[i]);
}
},
listenedSignal: function (signal) {
var signals = MathJax.Extension.xypic.signalHandler.hookedSignals;
for (var i = 0; i < signals.length; i++) {
if (signals[i] === signal) {
return true;
}
}
return false;
}
}
}
// "TeX Xy-pic" depends on "Functional Programming library" and "TeX Jax".
MathJax.Extension.xypic.signalHandler.chainSignal("TeX Xy-pic Require", ["Functional Programming library Ready", "TeX Jax Ready"]);
// "HTML-CSS Xy-pic Config" depends on "TeX Xy-pic" and "HTML-CSS Jax".
MathJax.Extension.xypic.signalHandler.chainSignal("HTML-CSS Xy-pic Config Require", ["TeX Xy-pic Ready", "HTML-CSS Jax Ready"]);
// "SVG Xy-pic Config" depends on "TeX Xy-pic" and "SVG Jax".
MathJax.Extension.xypic.signalHandler.chainSignal("SVG Xy-pic Config Require", ["TeX Xy-pic Ready", "SVG Jax Ready"]);
// "Device-Independent Xy-pic" depends on "TeX Xy-pic" OR "SVG Jax".
MathJax.Extension.xypic.signalHandler.chainSignal("Device-Independent Xy-pic Require", ["HTML-CSS Xy-pic Config Ready"]);
MathJax.Extension.xypic.signalHandler.chainSignal("Device-Independent Xy-pic Require", ["SVG Xy-pic Config Ready"]);
// "HTML-CSS Xy-pic" depends on "HTML-CSS Xy-pic Config" and "Device-Independent Xy-pic".
MathJax.Extension.xypic.signalHandler.chainSignal("HTML-CSS Xy-pic Require", ["HTML-CSS Xy-pic Config Ready", "Device-Independent Xy-pic Ready"]);
// "SVG Xy-pic" depends on "SVG Xy-pic Config" and "Device-Independent Xy-pic".
MathJax.Extension.xypic.signalHandler.chainSignal("SVG Xy-pic Require", ["SVG Xy-pic Config Ready", "Device-Independent Xy-pic Ready"]);
MathJax.Hub.Register.StartupHook("TeX Xy-pic Require",function () {
var FP = MathJax.Extension.fp;
var MML = MathJax.ElementJax.mml;
var TEX = MathJax.InputJax.TeX;
var TEXDEF = TEX.Definitions;
var xypic = MathJax.Extension.xypic;
var AST = xypic.AST = MathJax.Object.Subclass({});
MathJax.Hub.Insert(TEXDEF, {
macros: {
//hole: ['Macro', '{\\bbox[3pt]{}}']
hole: ['Macro', '{\\style{visibility:hidden}{x}}'],
objectstyle: ['Macro', '\\textstyle'],
labelstyle: ['Macro', '\\scriptstyle'],
twocellstyle: ['Macro', '\\scriptstyle'],
xybox: 'Xybox',
xymatrix: 'Xymatrix',
newdir: 'XypicNewdir',
includegraphics: 'Xyincludegraphics'
},
environment: {
xy: ['ExtensionEnv', null, 'XYpic']
}
});
// override MathJax.InputJax.TeX.formatError function to display parse error.
var tex_formatError = TEX.formatError;
TEX.formatError = function (err, math, displaystyle, script) {
if (err.xyjaxError !== undefined) {
return err.toMML();
} else {
return tex_formatError(err, math, displaystyle, script);
}
}
xypic.memoize = function (object, funcName) {
var func = object[funcName];
var memo = function () {
var value = func.call(this);
var constFunc = function () {
return value;
}
constFunc.reset = reset;
object[funcName] = constFunc;
return value;
}
var reset = function () {
object[funcName] = memo;
}
memo.reset = reset;
reset();
};
AST.xypic = MML.mbase.Subclass({
Init: function (cmd) {
this.data = [];
this.cmd = cmd;
},
type: "xypic",
inferRow: false,
defaults: {
mathbackground: MML.INHERIT,
mathcolor: MML.INHERIT,
notation: MML.NOTATION.LONGDIV,
texClass: MML.TEXCLASS.ORD
},
setTeXclass: MML.mbase.setSeparateTeXclasses,
toString: function () { return this.type + "(" + this.cmd + ")"; }
});
AST.xypic.newdir = MML.mbase.Subclass({
Init: function (cmd) {
this.data = [];
this.cmd = cmd;
},
type: "newdir",
inferRow: false,
defaults: {
mathbackground: MML.INHERIT,
mathcolor: MML.INHERIT,
notation: MML.NOTATION.LONGDIV,
texClass: MML.TEXCLASS.ORD
},
setTeXclass: MML.mbase.setSeparateTeXclasses,
toString: function () { return this.type + "(" + this.cmd + ")"; }
});
AST.xypic.includegraphics = MML.mbase.Subclass({
Init: function (cmd) {
this.data = [];
this.cmd = cmd;
},
type: "includegraphics",
inferRow: false,
defaults: {
mathbackground: MML.INHERIT,
mathcolor: MML.INHERIT,
notation: MML.NOTATION.LONGDIV,
texClass: MML.TEXCLASS.ORD
},
setTeXclass: MML.mbase.setSeparateTeXclasses,
toString: function () { return this.type + "(" + this.cmd + ")"; }
});
// <pos-decor> ::= <pos> <decor>
AST.PosDecor = MathJax.Object.Subclass({
Init: function (pos, decor) {
this.pos = pos;
this.decor = decor;
},
toString: function () {
return this.pos.toString() + " " + this.decor;
}
});
// <pos>
AST.Pos = MathJax.Object.Subclass({});
// <pos> ::= <coord> <pos2>*
AST.Pos.Coord = MathJax.Object.Subclass({
Init: function (coord, pos2s) {
this.coord = coord;
this.pos2s = pos2s;
},
toString: function () {
return this.coord.toString() + " " + this.pos2s.mkString(" ");
}
});
// <pos2> ::= '+' <coord>
AST.Pos.Plus = MathJax.Object.Subclass({
Init: function (coord) {
this.coord = coord;
},
toString: function () {
return "+(" + this.coord + ")";
}
});
// <pos2> ::= '-' <coord>
AST.Pos.Minus = MathJax.Object.Subclass({
Init: function (coord) {
this.coord = coord;
},
toString: function () {
return "-(" + this.coord + ")";
}
});
// <pos2> ::= '!' <coord>
AST.Pos.Skew = MathJax.Object.Subclass({
Init: function (coord) {
this.coord = coord;
},
toString: function () {
return "!(" + this.coord + ")";
}
});
// <pos2> ::= '.' <coord>
AST.Pos.Cover = MathJax.Object.Subclass({
Init: function (coord) {
this.coord = coord;
},
toString: function () {
return ".(" + this.coord + ")";
}
});
// <pos2> ::= ',' <coord>
AST.Pos.Then = MathJax.Object.Subclass({
Init: function (coord) {
this.coord = coord;
},
toString: function () {
return ",(" + this.coord + ")";
}
});
// <pos2> ::= ';' <coord>
AST.Pos.SwapPAndC = MathJax.Object.Subclass({
Init: function (coord) {
this.coord = coord;
},
toString: function () {
return ";(" + this.coord + ")";
}
});
// <pos2> ::= ':' <coord>
AST.Pos.SetBase = MathJax.Object.Subclass({
Init: function (coord) {
this.coord = coord;
},
toString: function () {
return ":(" + this.coord + ")";
}
});
// <pos2> ::= '::' <coord>
AST.Pos.SetYBase = MathJax.Object.Subclass({
Init: function (coord) {
this.coord = coord;
},
toString: function () {
return "::(" + this.coord + ")";
}
});
// <pos2> ::= '**' <object>
AST.Pos.ConnectObject = MathJax.Object.Subclass({
Init: function (object) {
this.object = object;
},
toString: function () {
return "**(" + this.object + ")";
}
});
// <pos2> ::= '*' <object>
AST.Pos.DropObject = MathJax.Object.Subclass({
Init: function (object) {
this.object = object;
},
toString: function () {
return "*(" + this.object + ")";
}
});
// <pos2> ::= '?' <place>
AST.Pos.Place = MathJax.Object.Subclass({
Init: function (place) {
this.place = place;
},
toString: function () {
return "?(" + this.place + ")";
}
});
// <pos2> ::= '@+' <coord>
AST.Pos.PushCoord = MathJax.Object.Subclass({
Init: function (coord) {
this.coord = coord;
},
toString: function () {
return "@+(" + this.coord + ")";
}
});
// <pos2> ::= '@-' <coord>
AST.Pos.EvalCoordThenPop = MathJax.Object.Subclass({
Init: function (coord) {
this.coord = coord;
},
toString: function () {
return "@-(" + this.coord + ")";
}
});
// <pos2> ::= '@=' <coord>
AST.Pos.LoadStack = MathJax.Object.Subclass({
Init: function (coord) {
this.coord = coord;
},
toString: function () {
return "@=(" + this.coord + ")";
}
});
// <pos2> ::= '@@' <coord>
AST.Pos.DoCoord = MathJax.Object.Subclass({
Init: function (coord) {
this.coord = coord;
},
toString: function () {
return "@@(" + this.coord + ")";
}
});
// <pos2> ::= '@i'
AST.Pos.InitStack = MathJax.Object.Subclass({
Init: function () {
},
toString: function () {
return "@i";
}
});
// <pos2> ::= '@('
AST.Pos.EnterFrame = MathJax.Object.Subclass({
Init: function () {
},
toString: function () {
return "@(";
}
});
// <pos2> ::= '@)'
AST.Pos.LeaveFrame = MathJax.Object.Subclass({
Init: function () {
},
toString: function () {
return "@)";
}
});
// <pos2> ::= '=' '"' <id> '"'
AST.Pos.SavePos = MathJax.Object.Subclass({
Init: function (id) {
this.id = id;
},
toString: function () {
return '="' + this.id + '"';
}
});
// <pos2> ::= '=' <coord> '"' <id> '"'
AST.Pos.SaveMacro = MathJax.Object.Subclass({
Init: function (macro, id) {
this.macro = macro;
this.id = id;
},
toString: function () {
return "=(" + this.macro + ' "' + this.id + '")';
}
});
// <pos2> ::= '=:' '"' <id> '"'
AST.Pos.SaveBase = MathJax.Object.Subclass({
Init: function (id) {
this.id = id;
},
toString: function () {
return '=:"' + this.id + '"';
}
});
// <pos2> ::= '=@' '"' <id> '"'
AST.Pos.SaveStack = MathJax.Object.Subclass({
Init: function (id) {
this.id = id;
},
toString: function () {
return '=@"' + this.id + '"';
}
});
// <coord>
AST.Coord = MathJax.Object.Subclass({});
// <coord> ::= <vector>
AST.Coord.Vector = MathJax.Object.Subclass({
Init: function (vector) {
this.vector = vector;
},
toString: function () {
return this.vector.toString();
}
});
// <coord> ::= <empty> | 'c'
AST.Coord.C = MathJax.Object.Subclass({
toString: function () {
return "c";
}
});
// <coord> ::= 'p'
AST.Coord.P = MathJax.Object.Subclass({
toString: function () {
return "p";
}
});
// <coord> ::= 'x'
AST.Coord.X = MathJax.Object.Subclass({
toString: function () {
return "x";
}
});
// <coord> ::= 'y'
AST.Coord.Y = MathJax.Object.Subclass({
toString: function () {
return "y";
}
});
// <coord> ::= '"' <id> '"'
AST.Coord.Id = MathJax.Object.Subclass({
Init: function (id) {
this.id = id;
},
toString: function () {
return '"' + this.id + '"';
}
});
// <coord> ::= '{' <pos> <decor> '}'
AST.Coord.Group = MathJax.Object.Subclass({
Init: function (posDecor) {
this.posDecor = posDecor;
},
toString: function () {
return '{' + this.posDecor + '}';
}
});
// <coord> ::= 's' <digit>
// <coord> ::= 's' '{' <nonnegative-number> '}'
AST.Coord.StackPosition = MathJax.Object.Subclass({
Init: function (number) {
this.number = number;
},
toString: function () {
return 's{' + this.number + '}';
}
});
// coordinate for xymatrix
// <coord> ::= '[' ('"'<prefix>'"')? <number> ',' <number> ']'
AST.Coord.DeltaRowColumn = MathJax.Object.Subclass({
/**
* @param {String} prefix name of the xymatrix
* @param {Number} dr rows below
* @param {Number} dc columns right
*/
Init: function (prefix, dr, dc) {
this.prefix = prefix;
this.dr = dr;
this.dc = dc;
},
toString: function () {
return '[' + (this.prefix === ''? '' : '"' + this.prefix + '"') + this.dr + "," + this.dc + "]";
}
});
// coordinate for xymatrix
// <coord> ::= '[' ('"'<prefix>'"')? ( 'l' | 'r' | 'u' | 'd' )* ']'
AST.Coord.Hops = MathJax.Object.Subclass({
/**
* @param {String} prefix name of the xymatrix
* @param {List[String]} hops hops
*/
Init: function (prefix, hops) {
this.prefix = prefix;
this.hops = hops;
},
toString: function () {
return '[' + (this.prefix === ''? '' : '"' + this.prefix + '"') + this.hops.mkString("") + "]";
}
});
// coordinate for xymatrix
// <coord> ::= '[' ('"'<prefix>'"')? ( 'l' | 'r' | 'u' | 'd' )+ <place> ']'
AST.Coord.HopsWithPlace = MathJax.Object.Subclass({
/**
* @param {String} prefix name of the xymatrix
* @param {List[String]} hops hops
* @param {AST.Pos.Place} place place
*/
Init: function (prefix, hops, place) {
this.prefix = prefix;
this.hops = hops;
this.place = place;
},
toString: function () {
return '[' + (this.prefix === ''? '' : '"' + this.prefix + '"') + this.hops.mkString("") + this.place + "]";
}
});
// <vector>
AST.Vector = MathJax.Object.Subclass({});
// <vector> ::= '(' <factor> ',' <factor> ')'
AST.Vector.InCurBase = MathJax.Object.Subclass({
Init: function (x, y) {
this.x = x;
this.y = y;
},
toString: function () {
return "(" + this.x + ", " + this.y + ")";
}
});
// <vector> ::= '<' <dimen> ',' <dimen> '>'
// <vector> ::= '<' <dimen> '>'
AST.Vector.Abs = MathJax.Object.Subclass({
Init: function (x, y) {
this.x = x;
this.y = y;
},
toString: function () {
return "<" + this.x + ", " + this.y + ">";
}
});
// <vector> ::= 'a' '(' <number> ')'
AST.Vector.Angle = MathJax.Object.Subclass({
Init: function (degree) {
this.degree = degree;
},
toString: function () {
return "a(" + this.degree + ")";
}
});
// <vector> ::= '/' <direction> <dimen> '/'
AST.Vector.Dir = MathJax.Object.Subclass({
Init: function (dir, dimen) {
this.dir = dir;
this.dimen = dimen;
},
toString: function () {
return "/" + this.dir + " " + this.dimen + "/";
}
});
// <vector> ::= <corner>
// | <corner> '(' <factor> ')'
AST.Vector.Corner = MathJax.Object.Subclass({
Init: function (corner, factor) {
this.corner = corner;
this.factor = factor;
},
toString: function () {
return this.corner.toString() + "(" + this.factor + ")";
}
});
// <corner> ::= 'L' | 'R' | 'D' | 'U'
// | 'CL' | 'CR' | 'CD' | 'CU'
// | 'LD' | 'RD' | 'LU' | 'RU'
// | 'E' | 'P'
// | 'A'
AST.Corner = MathJax.Object.Subclass({});
AST.Corner.L = MathJax.Object.Subclass({
toString: function () { return "L"; }
});
AST.Corner.R = MathJax.Object.Subclass({
toString: function () { return "R"; }
});
AST.Corner.D = MathJax.Object.Subclass({
toString: function () { return "D"; }
});
AST.Corner.U = MathJax.Object.Subclass({
toString: function () { return "U"; }
});
AST.Corner.CL = MathJax.Object.Subclass({
toString: function () { return "CL"; }
});
AST.Corner.CR = MathJax.Object.Subclass({
toString: function () { return "CR"; }
});
AST.Corner.CD = MathJax.Object.Subclass({
toString: function () { return "CD"; }
});
AST.Corner.CU = MathJax.Object.Subclass({
toString: function () { return "CU"; }
});
AST.Corner.LD = MathJax.Object.Subclass({
toString: function () { return "LD"; }
});
AST.Corner.RD = MathJax.Object.Subclass({
toString: function () { return "RD"; }
});
AST.Corner.LU = MathJax.Object.Subclass({
toString: function () { return "LU"; }
});
AST.Corner.RU = MathJax.Object.Subclass({
toString: function () { return "RU"; }
});
AST.Corner.NearestEdgePoint = MathJax.Object.Subclass({
toString: function () { return "E"; }
});
AST.Corner.PropEdgePoint = MathJax.Object.Subclass({
toString: function () { return "P"; }
});
AST.Corner.Axis = MathJax.Object.Subclass({
toString: function () { return "A"; }
});
// <place> ::= '<' <place>
// <place> ::= '>' <place>
// <place> ::= '(' <factor> ')' <place>
// <place> ::= '!' '{' <pos> '}' <slide>
// <place> ::= <slide>
AST.Place = MathJax.Object.Subclass({
Init: function (shaveP, shaveC, factor, slide) {
this.shaveP = shaveP;
this.shaveC = shaveC;
this.factor = factor;
this.slide = slide;
},
compound: function (that) {
return AST.Place(
this.shaveP + that.shaveP,
this.shaveC + that.shaveC,
that.factor === undefined? this.factor : that.factor,
that.slide);
},
toString: function () {
var desc = "";
for (var l = 0; l < this.shaveP; l++) {
desc += "<";
}
for (var r = 0; r < this.shaveC; r++) {
desc += ">";
}
if (this.factor !== undefined) {
desc += "(" + this.factor + ")";
}
this.slide.dimen.foreach(function (d) {
desc += "/" + d + "/";
});
return desc;
}
});
AST.Place.Factor = MathJax.Object.Subclass({
Init: function (factor) {
this.factor = factor;
},
isIntercept: false,
toString: function () {
return this.factor.toString();
}
});
AST.Place.Intercept = MathJax.Object.Subclass({
Init: function (pos) {
this.pos = pos;
},
isIntercept: true,
toString: function () {
return "!{" + this.pos + "}";
}
});
// <slide> ::= <empty>
// <slide> ::= '/' <dimen> '/'
AST.Slide = MathJax.Object.Subclass({
Init: function (dimen) {
this.dimen = dimen;
},
toString: function () {
return this.dimen.getOrElse("");
}
});
// <object> ::= <modifier>* <objectbox>
AST.Object = MathJax.Object.Subclass({
Init: function (modifiers, object) {
this.modifiers = modifiers;
this.object = object;
},
dirVariant: function () { return this.object.dirVariant(); },
dirMain: function () { return this.object.dirMain(); },
isDir: function () { return this.object.isDir(); },
toString: function () {
return this.modifiers.mkString() + this.object.toString();
}
});
// <objectbox>
AST.ObjectBox = MathJax.Object.Subclass({
dirVariant: function () { return undefined; },
dirMain: function () { return undefined; },
isDir: function () { return false; },
isEmpty: false
});
// <objectbox> ::= '{' <text> '}'
// <objectbox> ::= <TeX box> '{' <text> '}'
AST.ObjectBox.Text = AST.ObjectBox.Subclass({
Init: function (math) {
this.math = math;
},
toString: function () { return "{" + this.math.toString() + "}"; }
});
AST.ObjectBox.Empty = AST.ObjectBox.Subclass({
isEmpty: true,
toString: function () { return "{}"; }
});
// <objectbox> ::= 'xymatrix' <xymatrix>
AST.ObjectBox.Xymatrix = AST.ObjectBox.Subclass({
/**
* @param {AST.Command.Xymatrix} xymatrix xymatrix
*/
Init: function (xymatrix) {
this.xymatrix = xymatrix;
},
toString: function () { return this.xymatrix.toString(); }
});
// <objectbox> ::= '\txt' <width> <style> '{' <text> '}'
AST.ObjectBox.Txt = AST.ObjectBox.Subclass({
Init: function (width, textObject) {
this.width = width;
this.textObject = textObject;
},
toString: function () { return "\\txt" + this.width + "{" + this.textObject.toString() + "}"; }
});
AST.ObjectBox.Txt.Width = AST.ObjectBox.Subclass({
});
AST.ObjectBox.Txt.Width.Vector = AST.ObjectBox.Subclass({
Init: function (vector) {
this.vector = vector;
},
toString: function () { return this.vector.toString(); }
});
AST.ObjectBox.Txt.Width.Default = AST.ObjectBox.Subclass({
toString: function () { return ""; }
});
// <objectbox> ::= '\object' <object>
AST.ObjectBox.WrapUpObject = AST.ObjectBox.Subclass({
Init: function (object) {
this.object = object;
},
toString: function () { return "\\object" + this.object.toString(); }
});
// <objectbox> ::= '\composite' '{' <composite_object> '}'
// <composite_object> ::= <object> ( '*' <object> )*
AST.ObjectBox.CompositeObject = AST.ObjectBox.Subclass({
Init: function (objects) {
this.objects = objects;
},
toString: function () { return "\\composite{" + this.objects.mkString(" * ") + "}"; }
});
// <objectbox> ::= '\xybox' '{' <pos> <decor> '}'
AST.ObjectBox.Xybox = AST.ObjectBox.Subclass({
Init: function (posDecor) {
this.posDecor = posDecor;
},
toString: function () { return "\\xybox{" + this.posDecor.toString() + "}"; }
});
// <objectbox> ::= '\cir' <radius> '{' <cir> '}'
// <cir_radius> ::= <vector>
// | <empty>
// <cir> ::= <diag> <orient> <diag>
// | <empty>
AST.ObjectBox.Cir = AST.ObjectBox.Subclass({
Init: function (radius, cir) {
this.radius = radius;
this.cir = cir;
},
toString: function () {
return "\\cir"+this.radius+"{"+this.cir+"}";
}
});
AST.ObjectBox.Cir.Radius = MathJax.Object.Subclass({});
AST.ObjectBox.Cir.Radius.Vector = MathJax.Object.Subclass({
Init: function (vector) {
this.vector = vector;
},
toString: function () { return this.vector.toString(); }
});
AST.ObjectBox.Cir.Radius.Default = MathJax.Object.Subclass({
toString: function () { return ""; }
});
AST.ObjectBox.Cir.Cir = MathJax.Object.Subclass({});
AST.ObjectBox.Cir.Cir.Segment = MathJax.Object.Subclass({
Init: function (startDiag, orient, endDiag) {
this.startDiag = startDiag;
this.orient = orient;
this.endDiag = endDiag;
},
toString: function () { return this.startDiag.toString()+this.orient+this.endDiag; }
});
AST.ObjectBox.Cir.Cir.Full = MathJax.Object.Subclass({
toString: function () { return ""; }
});
// <objectbox> ::= '\dir' <variant> '{' <main> '}'
// <variant> ::= '^' | '_' | '0' | '1' | '2' | '3' | <empty>
// <main> ::= ('-' | '.' | '~' | '>' | '<' | '(' | ')' | '`' | "'" | '|' | '*' | '+' | 'x' | '/' | 'o' | '=' | ':' | /[a-zA-Z@ ]/)*
AST.ObjectBox.Dir = AST.ObjectBox.Subclass({
Init: function (variant, main) {
this.variant = variant;
this.main = main;
},
dirVariant: function () { return this.variant; },
dirMain: function () { return this.main; },
isDir: function () { return true; },
toString: function () { return "\\dir" + this.variant + "{" + this.main + "}"; }
});
// <objectbox> ::= '\crv' <curve-modifier> '{' <curve-object> <curve-poslist> '}'
AST.ObjectBox.Curve = AST.ObjectBox.Subclass({
Init: function (modifiers, objects, poslist) {
this.modifiers = modifiers;
this.objects = objects;
this.poslist = poslist;
},
dirVariant: function () { return ""; },
dirMain: function () { return "-"; },
isDir: function () { return false; },
toString: function () { return "\\curve"+this.modifiers.mkString("")+"{"+this.objects.mkString(" ")+" "+this.poslist.mkString("&")+"}"; }
});
// <curve-modifier> ::= ( '~' <curve-option> )*
// <curve-option> ::= 'p' | 'P' | 'l' | 'L' | 'c' | 'C'
// | 'pc' | 'pC' | 'Pc' | 'PC'
// | 'lc' | 'lC' | 'Lc' | 'LC'
// | 'cC'
AST.ObjectBox.Curve.Modifier = MathJax.Object.Subclass({});
AST.ObjectBox.Curve.Modifier.p = MathJax.Object.Subclass({
toString: function () { return "~p"; }
});
AST.ObjectBox.Curve.Modifier.P = MathJax.Object.Subclass({
toString: function () { return "~P"; }
});
AST.ObjectBox.Curve.Modifier.l = MathJax.Object.Subclass({
toString: function () { return "~l"; }
});
AST.ObjectBox.Curve.Modifier.L = MathJax.Object.Subclass({
toString: function () { return "~L"; }
});
AST.ObjectBox.Curve.Modifier.c = MathJax.Object.Subclass({
toString: function () { return "~c"; }
});
AST.ObjectBox.Curve.Modifier.C = MathJax.Object.Subclass({
toString: function () { return "~C"; }
});
AST.ObjectBox.Curve.Modifier.pc = MathJax.Object.Subclass({
toString: function () { return "~pc"; }
});
AST.ObjectBox.Curve.Modifier.pC = MathJax.Object.Subclass({
toString: function () { return "~pC"; }
});
AST.ObjectBox.Curve.Modifier.Pc = MathJax.Object.Subclass({
toString: function () { return "~Pc"; }
});
AST.ObjectBox.Curve.Modifier.PC = MathJax.Object.Subclass({
toString: function () { return "~PC"; }
});
AST.ObjectBox.Curve.Modifier.lc = MathJax.Object.Subclass({
toString: function () { return "~lc"; }
});
AST.ObjectBox.Curve.Modifier.lC = MathJax.Object.Subclass({
toString: function () { return "~lC"; }
});
AST.ObjectBox.Curve.Modifier.Lc = MathJax.Object.Subclass({
toString: function () { return "~Lc"; }
});
AST.ObjectBox.Curve.Modifier.LC = MathJax.Object.Subclass({
toString: function () { return "~LC"; }
});
AST.ObjectBox.Curve.Modifier.cC = MathJax.Object.Subclass({
toString: function () { return "~cC"; }
});
// <curve-object> ::= <empty>
// | '~*' <object> <curve-object>
// | '~**' <object> <curve-object>
AST.ObjectBox.Curve.Object = MathJax.Object.Subclass({});
AST.ObjectBox.Curve.Object.Drop = MathJax.Object.Subclass({
Init: function (object) {
this.object = object;
},
toString: function () { return "~*" + this.object; }
});
AST.ObjectBox.Curve.Object.Connect = MathJax.Object.Subclass({
Init: function (object) {
this.object = object;
},
toString: function () { return "~**" + this.object; }
});
// <curve-poslist> ::= <empty> ^^ Empty List
// | '&' <curve-poslist2> ^^ (c, <poslist>)
// | <nonemptyPos> ^^ (<nonemptyPos>, Nil)
// | <nonemptyPos> '&' <curve-poslist2> ^^ (<nonemptyPos>, <poslist>)
// | '~@' ^^ (~@, Nil)
// | '~@' '&' <curve-poslist2> ^^ (~@, <poslist>)
// <curve-poslist2> ::= <empty> ^^ (c, Nil)
// | '&' <curve-poslist2> ^^ (c, <poslist>)
// | <nonemptyPos> ^^ (<nonemptyPos>, Nil)
// | <nonemptyPos> '&' <curve-poslist2> ^^ (<nonemptyPos>, <poslist>)
// | '~@' ^^ (~@, Nil)
// | '~@' '&' <curve-poslist2> ^^ (~@, <poslist>)
AST.ObjectBox.Curve.PosList = MathJax.Object.Subclass({});
AST.ObjectBox.Curve.PosList.CurPos = MathJax.Object.Subclass({
toString: function () { return ""; }
});
AST.ObjectBox.Curve.PosList.Pos = MathJax.Object.Subclass({
Init: function (pos) {
this.pos = pos;
},
toString: function () { return this.pos.toString(); }
});
AST.ObjectBox.Curve.PosList.AddStack = MathJax.Object.Subclass({
toString: function () { return "~@"; }
});
// <modifier>
AST.Modifier = MathJax.Object.Subclass({
});
// <modifier> ::= '!' <vector>
AST.Modifier.Vector = AST.Modifier.Subclass({
Init: function (vector) {
this.vector = vector;
},
toString: function () { return "!" + this.vector; }
});
// <modifier> ::= '!'
AST.Modifier.RestoreOriginalRefPoint = AST.Modifier.Subclass({
toString: function () { return "!"; }
});
// <modifier> ::= <add-op> <size>
// <add-op> ::= '+' | '-' | '=' | '+=' | '-='
// <size> ::= <vector> | <empty>
AST.Modifier.AddOp = AST.Modifier.Subclass({
Init: function (op, size) {
this.op = op;
this.size = size;
},
toString: function () { return this.op.toString() + " " + this.size; }
});
AST.Modifier.AddOp.Grow = MathJax.Object.Subclass({
toString: function () { return '+'; }
});
AST.Modifier.AddOp.Shrink = MathJax.Object.Subclass({
toString: function () { return '-'; }
});
AST.Modifier.AddOp.Set = MathJax.Object.Subclass({
toString: function () { return '='; }
});
AST.Modifier.AddOp.GrowTo = MathJax.Object.Subclass({
toString: function () { return '+='; }
});
AST.Modifier.AddOp.ShrinkTo = MathJax.Object.Subclass({
toString: function () { return '-='; }
});
AST.Modifier.AddOp.VactorSize = MathJax.Object.Subclass({
Init: function (vector) {
this.vector = vector;
},
isDefault: false,
toString: function () { return this.vector.toString(); }
});
AST.Modifier.AddOp.DefaultSize = MathJax.Object.Subclass({
isDefault: true,
toString: function () { return ""; }
});
// <modifier> ::= '[' <shape> ']'
// <shape> ::= '.'
// | <frame_shape>
// | <alphabets>
// | '=' <alphabets>
// | <empty>
// <alphabets> ::= /[a-zA-Z]+/
AST.Modifier.Shape = MathJax.Object.Subclass({});
AST.Modifier.Shape.Point = AST.Modifier.Subclass({
toString: function () { return "[.]"; }
});
AST.Modifier.Shape.Rect = AST.Modifier.Subclass({
toString: function () { return "[]"; }
});
AST.Modifier.Shape.Alphabets = AST.Modifier.Subclass({
Init: function (alphabets) {
this.alphabets = alphabets;
},
toString: function () { return "[" + this.alphabets + "]"; }
});
AST.Modifier.Shape.DefineShape = AST.Modifier.Subclass({
Init: function (shape) {
this.shape = shape;
},
toString: function () { return "[" + this.shape + "]"; }
});
// 以下はxypic.ModifierRepositoryに格納されるもの
AST.Modifier.Shape.Circle = AST.Modifier.Subclass({
toString: function () { return "[o]"; }
});
AST.Modifier.Shape.L = AST.Modifier.Subclass({
toString: function () { return "[l]"; }
});
AST.Modifier.Shape.R = AST.Modifier.Subclass({
toString: function () { return "[r]"; }
});
AST.Modifier.Shape.U = AST.Modifier.Subclass({
toString: function () { return "[u]"; }
});
AST.Modifier.Shape.D = AST.Modifier.Subclass({
toString: function () { return "[d]"; }
});
AST.Modifier.Shape.C = AST.Modifier.Subclass({
toString: function () { return "[c]"; }
});
AST.Modifier.Shape.ChangeColor = AST.Modifier.Subclass({
Init: function (colorName) {
this.colorName = colorName;
},
toString: function () { return "[" + this.colorName + "]"; }
});
// ユーザ定義されたshape
AST.Modifier.Shape.CompositeModifiers = AST.Modifier.Subclass({
/**
* @param {List[AST.Modifier.Shape.*]} modifiers ユーザ定義されたmodifierのリスト
*/
Init: function (modifiers) {
this.modifiers = modifiers;
},
toString: function () { return this.modifiers.mkString(""); }
});
// <frame_shape> ::= 'F' <frame_main> ( ':' ( <frame_radius_vector> | <color_name> ))*
AST.Modifier.Shape.Frame = AST.Modifier.Subclass({
Init: function (main, options) {
this.main = main;
this.options = options;
},
toString: function () {
return "[F" + this.main + this.options.mkString("") + "]";
}
});
AST.Modifier.Shape.Frame.Radius = MathJax.Object.Subclass({
Init: function (vector) {
this.vector = vector;
},
toString: function () {
return ":" + this.vector;
}
});
// <color_name> ::= /[a-zA-Z][a-zA-Z0-9]*/
AST.Modifier.Shape.Frame.Color = MathJax.Object.Subclass({
Init: function (colorName) {
this.colorName = colorName;
},
toString: function () {
return ":" + this.colorName;
}
});
// <modifier> ::= 'i'
AST.Modifier.Invisible = AST.Modifier.Subclass({
toString: function () { return "i"; }
});
// <modifier> ::= 'h'
AST.Modifier.Hidden = AST.Modifier.Subclass({
toString: function () { return "h"; }
});
// <modifier> ::= <nonempty-direction>
AST.Modifier.Direction = AST.Modifier.Subclass({
Init: function (direction) {
this.direction = direction;
},
toString: function () { return this.direction.toString(); }
});
// <direction>
AST.Direction = MathJax.Object.Subclass({});
// <direction> ::= <direction0> <direction1>*
AST.Direction.Compound = MathJax.Object.Subclass({
Init: function (dir, rots) {
this.dir = dir;
this.rots = rots;
},
toString: function () {
return this.dir.toString() + this.rots.mkString();
}
});
// <direction0> ::= <diag>
AST.Direction.Diag = MathJax.Object.Subclass({
Init: function (diag) {
this.diag = diag;
},
toString: function () { return this.diag.toString(); }
});
// <direction0> ::= 'v' <vector>
AST.Direction.Vector = MathJax.Object.Subclass({
Init: function (vector) {
this.vector = vector;
},
toString: function () { return "v" + this.vector.toString(); }
});
// <direction0> ::= 'q' '{' <pos> <decor> '}'
AST.Direction.ConstructVector = MathJax.Object.Subclass({
Init: function (posDecor) {
this.posDecor = posDecor;
},
toString: function () { return "q{" + this.posDecor.toString() + "}"; }
});
// <direction1> ::= ':' <vector>
AST.Direction.RotVector = MathJax.Object.Subclass({
Init: function (vector) {
this.vector = vector;
},
toString: function () { return ":" + this.vector.toString(); }
});
// <direction1> ::= '_'
AST.Direction.RotAntiCW = MathJax.Object.Subclass({
toString: function () { return "_"; }
});
// <direction1> ::= '^'
AST.Direction.RotCW = MathJax.Object.Subclass({
toString: function () { return "^"; }
});
// <diag>
AST.Diag = MathJax.Object.Subclass({});
// <diag> ::= <empty>
AST.Diag.Default = MathJax.Object.Subclass({
toString: function () { return ""; }
});
// <diag> ::= 'l' | 'r' | 'd' | 'u' | 'ld' | 'rd' | 'lu' | 'ru'
AST.Diag.Angle = MathJax.Object.Subclass({
toString: function () { return this.symbol; }
});
AST.Diag.LD = AST.Diag.Angle.Subclass({
symbol: 'ld',
ang: -3*Math.PI/4,
turn: function (orient) {
return (orient === "^"? AST.Diag.RD() : AST.Diag.LU());
}
});
AST.Diag.RD = AST.Diag.Angle.Subclass({
symbol: 'rd',
ang: -Math.PI/4,
turn: function (orient) {
return (orient === "^"? AST.Diag.RU() : AST.Diag.LD());
}
});
AST.Diag.LU = AST.Diag.Angle.Subclass({
symbol: 'lu',
ang: 3*Math.PI/4,
turn: function (orient) {
return (orient === "^"? AST.Diag.LD() : AST.Diag.RU());
}
});
AST.Diag.RU = AST.Diag.Angle.Subclass({
symbol: 'ru',
ang: Math.PI/4,
turn: function (orient) {
return (orient === "^"? AST.Diag.LU() : AST.Diag.RD());
}
});
AST.Diag.L = AST.Diag.Angle.Subclass({
symbol: 'l',
ang: Math.PI,
turn: function (orient) {
return (orient === "^"? AST.Diag.D() : AST.Diag.U());
}
});
AST.Diag.R = AST.Diag.Angle.Subclass({
symbol: 'r',
ang: 0,
turn: function (orient) {
return (orient === "^"? AST.Diag.U() : AST.Diag.D());
}
});
AST.Diag.D = AST.Diag.Angle.Subclass({
symbol: 'd',
ang: -Math.PI/2,
turn: function (orient) {
return (orient === "^"? AST.Diag.R() : AST.Diag.L());
}
});
AST.Diag.U = AST.Diag.Angle.Subclass({
symbol: 'u',
ang: Math.PI/2,
turn: function (orient) {
return (orient === "^"? AST.Diag.L() : AST.Diag.R());
}
});
// <objectbox> ::= '\frm' <frame_radius> '{' <frame_main> '}'
// <frame_radius> ::= <frame_radius_vector>
// | <empty>
// <frame_main> ::= ( '-' | '=' | '.' | ',' | 'o' | 'e' | '*' )*
// | ( '_' | '^' )? ( '\{' | '\}' | '(' | ')' )
// <frame_radius_vector> ::= '<' <dimen> ',' <dimen> '>'
// | '<' <dimen> '>'
AST.ObjectBox.Frame = AST.ObjectBox.Subclass({
Init: function (radius, main) {
this.radius = radius;
this.main = main;
},
toString: function () {
return "\\frm"+this.radius+"{"+this.main+"}";
}
});
AST.ObjectBox.Frame.Radius = MathJax.Object.Subclass({});
AST.ObjectBox.Frame.Radius.Vector = MathJax.Object.Subclass({
Init: function (vector) {
this.vector = vector;
},
toString: function () { return this.vector.toString(); }
});
AST.ObjectBox.Frame.Radius.Default = MathJax.Object.Subclass({
toString: function () { return ""; }
});
// <decor> ::= <command>*
AST.Decor = MathJax.Object.Subclass({
Init: function (commands) {
this.commands = commands;
},
toString: function () {
return this.commands.mkString(" ");
}
});
AST.Command = MathJax.Object.Subclass({});
// <command> ::= '\save' <pos>
AST.Command.Save = MathJax.Object.Subclass({
Init: function (pos) {
this.pos = pos;
},
toString: function () {
return "\\save " + this.pos;
}
});
// <command> ::= '\restore'
AST.Command.Restore = MathJax.Object.Subclass({
toString: function () {
return "\\restore";
}
});
// <command> ::= '\POS' <pos>
AST.Command.Pos = MathJax.Object.Subclass({
Init: function (pos) {
this.pos = pos;
},
toString: function () {
return "\\POS " + this.pos;
}
});
// <command> ::= '\afterPOS' '{' <decor> '}' <pos>
AST.Command.AfterPos = MathJax.Object.Subclass({
Init: function (decor, pos) {
this.decor = decor;
this.pos = pos;
},
toString: function () {
return "\\afterPOS{" + this.decor + "} " + this.pos;
}
});
// <command> ::= '\drop' <object>
AST.Command.Drop = MathJax.Object.Subclass({
Init: function (object) {
this.object = object;
},
toString: function () {
return "\\drop " + this.object;
}
});
// <command> ::= '\connect' <object>
AST.Command.Connect = MathJax.Object.Subclass({
Init: function (object) {
this.object = object;
},
toString: function () {
return "\\connect " + this.object;
}
});
// <command> ::= '\relax'
AST.Command.Relax = MathJax.Object.Subclass({
toString: function () {
return "\\relax";
}
});
// <command> ::= '\xyignore' '{' <pos> <decor> '}'
AST.Command.Ignore = MathJax.Object.Subclass({
Init: function (pos, decor) {
this.pos = pos;
this.decor = decor;
},
toString: function () {
return "\\ignore{" + this.pos + " " + this.decor + "}";
}
});
// <command> ::= '\xyshowAST' '{' <pos> <decor> '}'
AST.Command.ShowAST = MathJax.Object.Subclass({
Init: function (pos, decor) {
this.pos = pos;
this.decor = decor;
},
toString: function () {
return "\\xyshowAST{" + this.pos + " " + this.decor + "}";
}
});
// <command> ::= '\PATH' <path>
AST.Command.Path = MathJax.Object.Subclass({
Init: function (path) {
this.path = path;
},
toString: function () {
return "\\PATH " + this.path;
}
});
// <command> ::= '\afterPATH' '{' <decor> '}' <path>
AST.Command.AfterPath = MathJax.Object.Subclass({
Init: function (decor, path) {
this.decor = decor;
this.path = path;
},
toString: function () {
return "\\afterPATH{" + this.decor + "} " + this.path;
}
});
// <path> ::= <path2>(Nil)
AST.Command.Path.Path = MathJax.Object.Subclass({
Init: function (pathElements) {
this.pathElements = pathElements;
},
toString: function () {
return this.pathElements.mkString("[", ", ", "]");
}
});
// <path2> ::= '~' <action> '{' <pos> <decor> '}' <path2>(fc)
// <action> ::= '=' | '/'
AST.Command.Path.SetBeforeAction = MathJax.Object.Subclass({
Init: function (posDecor) {
this.posDecor = posDecor;
},
toString: function () {
return "~={" + this.posDecor + "}";
}
});
AST.Command.Path.SetAfterAction = MathJax.Object.Subclass({
Init: function (posDecor) {
this.posDecor = posDecor;
},
toString: function () {
return "~/{" + this.posDecor + "}";
}
});
// <path2> ::= '~' <which> '{' <labels> '}' <path2>(fc)
// <which> ::= '<' | '>' | '+'
AST.Command.Path.AddLabelNextSegmentOnly = MathJax.Object.Subclass({
Init: function (labels) {
this.labels = labels;
},
toString: function () {
return "~<{" + this.labels + "}";
}
});
AST.Command.Path.AddLabelLastSegmentOnly = MathJax.Object.Subclass({
Init: function (labels) {
this.labels = labels;
},
toString: function () {
return "~>{" + this.labels + "}";
}
});
AST.Command.Path.AddLabelEverySegment = MathJax.Object.Subclass({
Init: function (labels) {
this.labels = labels;
},
toString: function () {
return "~+{" + this.labels + "}";
}
});
// <path2> ::= "'" <segment> <path2>(fc)
AST.Command.Path.StraightSegment = MathJax.Object.Subclass({
Init: function (segment) {
this.segment = segment;
},
toString: function () {
return "'" + this.segment;
}
});
// <path2> ::= '`' <turn> <segment> <path2>(fc)
AST.Command.Path.TurningSegment = MathJax.Object.Subclass({
Init: function (turn, segment) {
this.turn = turn;
this.segment = segment;
},
toString: function () {
return "`" + this.turn + " " + this.segment;
}
});
// <path2> ::= <segment>
AST.Command.Path.LastSegment = MathJax.Object.Subclass({
Init: function (segment) {
this.segment = segment;
},
toString: function () {
return this.segment.toString();
}
});
// <turn> ::= <diag> <turn-radius>
AST.Command.Path.Turn = MathJax.Object.Subclass({});
AST.Command.Path.Turn.Diag = MathJax.Object.Subclass({
Init: function (diag, radius) {
this.diag = diag;
this.radius = radius;
},
toString: function () {
return this.diag.toString() + " " + this.radius;
}
});
// <turn> ::= <cir> <turnradius>
AST.Command.Path.Turn.Cir = MathJax.Object.Subclass({
Init: function (cir, radius) {
this.cir = cir;
this.radius = radius;
},
toString: function () {
return this.cir.toString() + " " + this.radius;
}
});
// <turn-radius> ::= <empty> | '/' <dimen>
AST.Command.Path.TurnRadius = MathJax.Object.Subclass({});
AST.Command.Path.TurnRadius.Default = MathJax.Object.Subclass({
toString: function () {
return "";
}
});
AST.Command.Path.TurnRadius.Dimen = MathJax.Object.Subclass({
Init: function (dimen) {
this.dimen = dimen;
},
toString: function () {
return "/" + this.dimen;
}
});
// <segment> ::= <nonempty-pos> <slide> <labels>
AST.Command.Path.Segment = MathJax.Object.Subclass({
Init: function (pos, slide, labels) {
this.pos = pos;
this.slide = slide;
this.labels = labels;
},
toString: function () {
return this.pos.toString() + " " + this.slide + " " + this.labels;
}
});
// <labels> ::= <label>*
AST.Command.Path.Labels = MathJax.Object.Subclass({
Init: function (labels) {
this.labels = labels;
},
toString: function () {
return this.labels.mkString(" ");
}
});
// <label> ::= '^' <anchor> <it> <alias>?
// <anchor> ::= '-' | <place>
// <it> ::= ( '[' <shape> ']' )* <it2>
// <it2> ::= <digit> | <letter>
// | '{' <text> '}'
// | '*' <object>
// | '@' <dir>
AST.Command.Path.Label = MathJax.Object.Subclass({
Init: function (anchor, it, aliasOption) {
this.anchor = anchor;
this.it = it;
this.aliasOption = aliasOption;
}
});
AST.Command.Path.Label.Above = AST.Command.Path.Label.Subclass({
toString: function () {
return "^(" + this.anchor + " " + this.it + " " + this.aliasOption + ")";
}
});
// <label> ::= '_' <anchor> <it> <alias>?
AST.Command.Path.Label.Below = AST.Command.Path.Label.Subclass({
toString: function () {
return "_(" + this.anchor + " " + this.it + " " + this.aliasOption + ")";
}
});
// <label> ::= '|' <anchor> <it> <alias>?
AST.Command.Path.Label.At = AST.Command.Path.Label.Subclass({
toString: function () {
return "|(" + this.anchor + " " + this.it + " " + this.aliasOption + ")";
}
});
// <command> ::= '\ar' ( <arrow_form> )* <path>
AST.Command.Ar = MathJax.Object.Subclass({
Init: function (forms, path) {
this.forms = forms;
this.path = path;
},
toString: function () {
return "\\ar " + this.forms.mkString(" ") + " " + this.path;
}
});
// <arrow_form>
AST.Command.Ar.Form = MathJax.Object.Subclass({});
// <arrow_form> ::= '@' <variant> ( '{' <tip> ( <conn> <tip> )? '}' )?
// <variant> ::= /[^_0123]/ | <empty>
AST.Command.Ar.Form.BuildArrow = AST.Command.Ar.Form.Subclass({
/**
* @param {String} variant variant
* @param {AST.Command.Ar.Form.Tip.*} tailTip arrow tail
* @param {AST.Command.Ar.Form.Conn.*} stemConn arrow stem
* @param {AST.Command.Ar.Form.Tip.*} headTip arrow head
*/
Init: function (variant, tailTip, stemConn, headTip) {
this.variant = variant;
this.tailTip = tailTip;
this.stemConn = stemConn;
this.headTip = headTip;
},
toString: function () {
return "@" + this.variant + "{" + this.tailTip.toString() + ", " + this.stemConn.toString() + ", " + this.headTip.toString() + "}";
}
});
// <arrow_form> ::= '@' <variant>
AST.Command.Ar.Form.ChangeVariant = AST.Command.Ar.Form.Subclass({
/**
* @param {String} variant variant
*/
Init: function (variant) {
this.variant = variant;
},
toString: function () {
return "@" + this.variant;
}
});
// <tip> ::= /[<>()|'`+/a-zA-Z ]+/
// | <arrow_dir>
// | <empty>
// <arrow_dir> ::= '*' <object>
// | <dir>
AST.Command.Ar.Form.Tip = MathJax.Object.Subclass({});
AST.Command.Ar.Form.Tip.Tipchars = MathJax.Object.Subclass({
/**
* @param {String} tipchars tip characters
*/
Init: function (tipchars) {
this.tipchars = tipchars;
},
toString: function () {
return this.tipchars;
}
});
AST.Command.Ar.Form.Tip.Object = MathJax.Object.Subclass({
/**
* @param {AST.Object} object object as a dir
*/
Init: function (object) {
this.object = object;
},
toString: function () {
return "*" + this.object;
}
});
AST.Command.Ar.Form.Tip.Dir = MathJax.Object.Subclass({
/**
* @param {AST.ObjectBox.Dir} dir dir
*/
Init: function (dir) {
this.dir = dir;
},
toString: function () {
return this.dir;
}
});
// <conn> ::= /[\-\.~=:]+/
// | <arrow_dir>
// | <empty>
AST.Command.Ar.Form.Conn = MathJax.Object.Subclass({});
AST.Command.Ar.Form.Conn.Connchars = MathJax.Object.Subclass({
/**
* @param {String} connchars direction name
*/
Init: function (connchars) {
this.connchars = connchars;
},
toString: function () {
return this.connchars;
}
});
AST.Command.Ar.Form.Conn.Object = MathJax.Object.Subclass({
/**
* @param {AST.Object} object object as a dir
*/
Init: function (object) {
this.object = object;
},
toString: function () {
return "*" + this.object;
}
});
AST.Command.Ar.Form.Conn.Dir = MathJax.Object.Subclass({
/**
* @param {AST.ObjectBox.Dir} dir dir
*/
Init: function (dir) {
this.dir = dir;
},
toString: function () {
return this.dir;
}
});
// <arrow_form> ::= '@' <conchar>
// <conchar> ::= /[\-\.~=:]/
AST.Command.Ar.Form.ChangeStem = MathJax.Object.Subclass({
/**
* @param {String} connchar arrow stem name
*/
Init: function (connchar) {
this.connchar = connchar;
},
toString: function () {
return "@" + this.connchar;
}
});
// <arrow_form> ::= '@' '!'
AST.Command.Ar.Form.DashArrowStem = MathJax.Object.Subclass({
toString: function () {
return "@!";
}
});
// <arrow_form> ::= '@' '/' <direction> ( <loose-dimen> )? '/'
AST.Command.Ar.Form.CurveArrow = MathJax.Object.Subclass({
/**
* @param {AST.Direction.*} curve direction
* @param {String} dist curve distance (dimension)
*/
Init: function (direction, dist) {
this.direction = direction;
this.dist = dist;
},
toString: function () {
return "@/" + this.direction + " " + this.dist + "/";
}
});
// <arrow_form> ::= '@' '(' <direction> ',' <direction> ')'
AST.Command.Ar.Form.CurveFitToDirection = MathJax.Object.Subclass({
/**
* @param {AST.Direction.*} out direction
* @param {AST.Direction.*} in direction
*/
Init: function (outDirection, inDirection) {
this.outDirection = outDirection;
this.inDirection = inDirection;
},
toString: function () {
return "@(" + this.outDirection + "," + this.inDirection + ")";
}
});
// <arrow_form> ::= '@' '`' <coord>
AST.Command.Ar.Form.CurveWithControlPoints = MathJax.Object.Subclass({
/**
* @param {AST.Coord} controlPoints
*/
Init: function (coord) {
this.coord = coord;
},
toString: function () {
return "@`{" + this.coord + "}"
}
});
// <arrow_form> ::= '@' '[' <shape> ']'
AST.Command.Ar.Form.AddShape = MathJax.Object.Subclass({
/**
* @param {AST.Modifier.Shape.*} shape shape
*/
Init: function (shape) {
this.shape = shape;
},
toString: function () {
return "@[" + this.shape + "]";
}
});
// <arrow_form> ::= '@' '*' '{' ( <modifier> )* '}'
AST.Command.Ar.Form.AddModifiers = MathJax.Object.Subclass({
/**
* @param {List[AST.Modifier.*]} modifiers modifiers
*/
Init: function (modifiers) {
this.modifiers = modifiers;
},
toString: function () {
return "@*{" + this.modifiers.mkString(" ") + "}";
}
});
// <arrow_form> ::= '@' '<' <dimen> '>'
AST.Command.Ar.Form.Slide = MathJax.Object.Subclass({
/**
* @param {String} slide dimension
*/
Init: function (slideDimen) {
this.slideDimen = slideDimen;
},
toString: function () {
return "@<" + this.slideDimen + ">";
}
});
// <arrow_form> ::= '|' <anchor> <it>
AST.Command.Ar.Form.LabelAt = MathJax.Object.Subclass({
/**
* @param {AST.Place} anchor label anchor
* @param {AST.Object} it label
*/
Init: function (anchor, it) {
this.anchor = anchor;
this.it = it;
},
toString: function () {
return "|" + this.anchor + " " + this.it;
}
});
// <arrow_form> ::= '^' <anchor> <it>
AST.Command.Ar.Form.LabelAbove = MathJax.Object.Subclass({
/**
* @param {AST.Place} anchor label anchor
* @param {AST.Object} it label
*/
Init: function (anchor, it) {
this.anchor = anchor;
this.it = it;
},
toString: function () {
return "^" + this.anchor + " " + this.it;
}
});
// <arrow_form> ::= '_' <anchor> <it>
AST.Command.Ar.Form.LabelBelow = MathJax.Object.Subclass({
/**
* @param {AST.Place} anchor label anchor
* @param {AST.Object} it label
*/
Init: function (anchor, it) {
this.anchor = anchor;
this.it = it;
},
toString: function () {
return "_" + this.anchor + " " + this.it;
}
});
// <arrow_form> ::= '@' '?'
AST.Command.Ar.Form.ReverseAboveAndBelow = MathJax.Object.Subclass({
toString: function () {
return "@?";
}
});
// <decor> ::= '\xymatrix' <xymatrix>
// <xymatrix> ::= <setup> '{' <rows> '}'
AST.Command.Xymatrix = MathJax.Object.Subclass({
/**
* @param {List[AST.Command.Xymatrix.Setup.*]} setup setup configurations
* @param {List[AST.Command.Xymatrix.Row]} rows rows
*/
Init: function (setup, rows) {
this.setup = setup;
this.rows = rows;
},
toString: function () {
return "\\xymatrix" + this.setup + "{\n" + this.rows.mkString("", "\\\\\n", "") + "\n}";
}
});
// <setup> ::= <switch>*
AST.Command.Xymatrix.Setup = MathJax.Object.Subclass({});
// <switch> ::= '"' <prefix> '"'
AST.Command.Xymatrix.Setup.Prefix = MathJax.Object.Subclass({
/**
* @param {String} prefix name of the xymatrix
*/
Init: function (prefix) {
this.prefix = prefix;
},
toString: function () {
return '"' + this.prefix + '"';
}
});
// <switch> ::= '@' <rcchar> <add op> <dimen>
AST.Command.Xymatrix.Setup.ChangeSpacing = MathJax.Object.Subclass({
/**
* @param {AST.Modifier.AddOp.*} addop sizing operator
* @param {String} dimen size
*/
Init: function (addop, dimen) {
this.addop = addop;
this.dimen = dimen;
}
});
AST.Command.Xymatrix.Setup.ChangeSpacing.Row = AST.Command.Xymatrix.Setup.ChangeSpacing.Subclass({
toString: function () {
return "@R" + this.addop + this.dimen;
}
});
AST.Command.Xymatrix.Setup.ChangeSpacing.Column = AST.Command.Xymatrix.Setup.ChangeSpacing.Subclass({
toString: function () {
return "@C" + this.addop + this.dimen;
}
});
AST.Command.Xymatrix.Setup.ChangeSpacing.RowAndColumn = AST.Command.Xymatrix.Setup.ChangeSpacing.Subclass({
toString: function () {
return "@" + this.addop + this.dimen;
}
});
// <switch> ::= '@' '!' <rcchar> '0'
// <switch> ::= '@' '!' <rcchar> '=' <dimen>
// <rcchar> ::= 'R' | 'C' | <empty>
AST.Command.Xymatrix.Setup.PretendEntrySize = MathJax.Object.Subclass({
/**
* @param {String} dimen size
*/
Init: function (dimen) {
this.dimen = dimen;
}
});
AST.Command.Xymatrix.Setup.PretendEntrySize.Height = AST.Command.Xymatrix.Setup.PretendEntrySize.Subclass({
toString: function () {
return "@!R=" + this.dimen;
}
});
AST.Command.Xymatrix.Setup.PretendEntrySize.Width = AST.Command.Xymatrix.Setup.PretendEntrySize.Subclass({
toString: function () {
return "@!C=" + this.dimen;
}
});
AST.Command.Xymatrix.Setup.PretendEntrySize.HeightAndWidth = AST.Command.Xymatrix.Setup.PretendEntrySize.Subclass({
toString: function () {
return "@!=" + this.dimen;
}
});
// <switch> ::= '@' '!' <rcchar>
AST.Command.Xymatrix.Setup.FixGrid = MathJax.Object.Subclass({});
AST.Command.Xymatrix.Setup.FixGrid.Row = AST.Command.Xymatrix.Setup.FixGrid.Subclass({
toString: function () {
return "@!R";
}
});
AST.Command.Xymatrix.Setup.FixGrid.Column = AST.Command.Xymatrix.Setup.FixGrid.Subclass({
toString: function () {
return "@!C";
}
});
AST.Command.Xymatrix.Setup.FixGrid.RowAndColumn = AST.Command.Xymatrix.Setup.FixGrid.Subclass({
toString: function () {
return "@!";
}
});
// <switch> ::= '@' ( 'M' | 'W' | 'H' ) <add op> <dimen>
// <switch> ::= '@' '1'
AST.Command.Xymatrix.Setup.AdjustEntrySize = MathJax.Object.Subclass({
/**
* @param {AST.Modifier.AddOp.*} addop sizing operator
* @param {String} dimen size
*/
Init: function (addop, dimen) {
this.addop = addop;
this.dimen = dimen;
}
});
AST.Command.Xymatrix.Setup.AdjustEntrySize.Margin = AST.Command.Xymatrix.Setup.AdjustEntrySize.Subclass({
toString: function () {
return "@M" + this.addop + this.dimen;
}
});
AST.Command.Xymatrix.Setup.AdjustEntrySize.Width = AST.Command.Xymatrix.Setup.AdjustEntrySize.Subclass({
toString: function () {
return "@W" + this.addop + this.dimen;
}
});
AST.Command.Xymatrix.Setup.AdjustEntrySize.Height = AST.Command.Xymatrix.Setup.AdjustEntrySize.Subclass({
toString: function () {
return "@H" + this.addop + this.dimen;
}
});
// <switch> ::= '@' 'L' <add op> <dimen>
AST.Command.Xymatrix.Setup.AdjustLabelSep = MathJax.Object.Subclass({
/**
* @param {AST.Modifier.AddOp.*} addop sizing operator
* @param {String} dimen size
*/
Init: function (addop, dimen) {
this.addop = addop;
this.dimen = dimen;
},
toString: function () {
return "@L" + this.addop + this.dimen;
}
});
// <switch> ::= '@' <nonemptyDirection>
AST.Command.Xymatrix.Setup.SetOrientation = MathJax.Object.Subclass({
/**
* @param {AST.Direction} direction the orientation of the row
*/
Init: function (direction) {
this.direction = direction;
},
toString: function () {
return "@" + this.direction;
}
});
// <switch> ::= '@' '*' '[' <shape> ']'
// | '@' '*' <add op> <size>
AST.Command.Xymatrix.Setup.AddModifier = MathJax.Object.Subclass({
/**
* @param {AST.Modifier.*} shape object shape modifier for all entries
*/
Init: function (modifier) {
this.modifier = modifier;
},
toString: function () {
return "@*" + this.modifier;
}
});
// <rows> ::= <row> ( '\\' <row> )*
// <row> ::= <entry> ( '&' <entry> )*
AST.Command.Xymatrix.Row = MathJax.Object.Subclass({
/**
* @param {List[AST.Command.Xymatrix.Entry.*]} entries entries in the row
*/
Init: function (entries) {
this.entries = entries;
},
toString: function () {
return this.entries.mkString(" & ");
}
});
// <entry> ::= ( '**' '[' <shape> ']' | '**' '{' <modifier>* '}' )* <loose objectbox> <decor>
// | '*' <object> <pos> <decor>
// <loose objectbox> ::= <objectbox>
// | /[^\\{}&]+/* ( ( '\' not( '\' | <decor command names> ) ( '{' | '}' | '&' ) | '{' <text> '}' ) /[^\\{}&]+/* )*
// <decor command names> ::= 'ar' | 'xymatrix' | 'PATH' | 'afterPATH'
// | 'save' | 'restore' | 'POS' | 'afterPOS' | 'drop' | 'connect' | 'xyignore'
AST.Command.Xymatrix.Entry = MathJax.Object.Subclass({});
AST.Command.Xymatrix.Entry.SimpleEntry = AST.Command.Xymatrix.Entry.Subclass({
/**
* @param {List[AST.Modifier.*]} modifiers object modifiers
* @param {AST.ObjectBox.*} objectbox entry objectbox
* @param {AST.Decor} decor decoration
*/
Init: function (modifiers, objectbox, decor) {
this.modifiers = modifiers;
this.objectbox = objectbox;
this.decor = decor;
},
isEmpty: false,
toString: function () {
return this.modifiers.mkString("**{", "", "}") + " " + this.objectbox + " " + this.decor;
}
});
AST.Command.Xymatrix.Entry.ObjectEntry = AST.Command.Xymatrix.Entry.Subclass({
/**
* @param {AST.Object} object entry object
* @param {AST.Pos.Coord} pos position (ignorable)
* @param {AST.Decor} decor decoration
*/
Init: function (object, pos, decor) {
this.object = object;
this.pos = pos;
this.decor = decor;
},
isEmpty: false,
toString: function () {
return "*" + this.object + " " + this.pos + " " + this.decor;
}
});
AST.Command.Xymatrix.Entry.EmptyEntry = AST.Command.Xymatrix.Entry.Subclass({
/**
* @param {AST.Decor} decor decoration
*/
Init: function (decor) {
this.decor = decor;
},
isEmpty: true,
toString: function () {
return "" + this.decor;
}
});
// <command> ::= <twocell> <twocell switch>* <twocell arrow>
AST.Command.Twocell = MathJax.Object.Subclass({
/**
* @param {AST.Command.Twocell.Hops2cell} twocell 2-cell
* @param {List[AST.Command.Twocell.Switch.*]} switches switches
* @param {AST.Command.Twocell.Arrow.*} arrow
*/
Init: function (twocell, switches, arrow) {
this.twocell = twocell;
this.switches = switches;
this.arrow = arrow;
},
toString: function () {
return this.twocell.toString() + this.switches.mkString("") + this.arrow;
}
});
// <twocell> ::= '\' /[lrud]+/ 'twocell'
// | '\xtwocell' '[' /[lrud]+/ ']' '{' <text> '}'
AST.Command.Twocell.Hops2cell = MathJax.Object.Subclass({
/**
* @param {String} hops hops
* @param {Option[AST.Object]} maybeDisplace displacement
*/
Init: function (hops, maybeDisplace) {
this.hops = hops;
this.maybeDisplace = maybeDisplace;
}
});
AST.Command.Twocell.Twocell = AST.Command.Twocell.Hops2cell.Subclass({
toString: function () {
return "\\xtwocell[" + this.hops + "]" + this.maybeDisplace.getOrElse("{}");
}
});
// | '\' /[lrud]+/ 'uppertwocell'
// | '\xuppertwocell' '[' /[lrud]+/ ']' '{' <text> '}'
AST.Command.Twocell.UpperTwocell = AST.Command.Twocell.Hops2cell.Subclass({
toString: function () {
return "\\xuppertwocell[" + this.hops + "]" + this.maybeDisplace.getOrElse("{}");
}
});
// | '\' /[lrud]+/ 'lowertwocell'
// | '\xlowertwocell' '[' /[lrud]+/ ']' '{' <text> '}'
AST.Command.Twocell.LowerTwocell = AST.Command.Twocell.Hops2cell.Subclass({
toString: function () {
return "\\xlowertwocell[" + this.hops + "]" + this.maybeDisplace.getOrElse("{}");
}
});
// | '\' /[lrud]+/ 'compositemap'
// | '\xcompositemap' '[' /[lrud]+/ ']' '{' <text> '}'
AST.Command.Twocell.CompositeMap = AST.Command.Twocell.Hops2cell.Subclass({
toString: function () {
return "\\xcompositemap[" + this.hops + "]" + this.maybeDisplace.getOrElse("{}");
}
});
// <twocell switch> ::= '^' <twocell label>
AST.Command.Twocell.Switch = MathJax.Object.Subclass({});
AST.Command.Twocell.Switch.UpperLabel = MathJax.Object.Subclass({
/**
* @param {AST.Command.Twocell.Label} label label
*/
Init: function (label) {
this.label = label;
},
toString: function () {
return "^" + this.label;
}
});
// | '_' <twocell label>
AST.Command.Twocell.Switch.LowerLabel = MathJax.Object.Subclass({
/**
* @param {AST.Command.Twocell.Label} label label
*/
Init: function (label) {
this.label = label;
},
toString: function () {
return "_" + this.label;
}
});
// | <nudge>
AST.Command.Twocell.Switch.SetCurvature = MathJax.Object.Subclass({
/**
* @param {AST.Command.Twocell.Nudge.*} nudge
*/
Init: function (nudge) {
this.nudge = nudge;
},
toString: function () {
return this.nudge.toString();
}
});
// | '\omit'
AST.Command.Twocell.Switch.DoNotSetCurvedArrows = MathJax.Object.Subclass({
toString: function () {
return "\\omit";
}
});
// | '~!'
AST.Command.Twocell.Switch.PlaceModMapObject = MathJax.Object.Subclass({
toString: function () {
return "~!";
}
});
// | '~' ( '`' | "'" ) '{' <object> '}'
AST.Command.Twocell.Switch.ChangeHeadTailObject = MathJax.Object.Subclass({
/**
* @param {String} what
* @param {AST.Object} object
*/
Init: function (what, object) {
this.what = what;
this.object = object;
},
toString: function () {
return "~" + this.what + "{" + this.object + "}";
}
});
// | '~' ( '' | '^' | '_' ) '{' <object> ( '~**' <object> )? '}'
AST.Command.Twocell.Switch.ChangeCurveObject = MathJax.Object.Subclass({
/**
* @param {String} what
* @param {AST.Object} spacer
* @param {AST.Object} maybeObject
*/
Init: function (what, spacer, maybeObject) {
this.what = what;
this.spacer = spacer;
this.maybeObject = maybeObject;
},
toString: function () {
return "~" + this.what + "{" + this.spacer + (this.maybeObject.isDefined? "~**" + this.maybeObject.get : "") + "}";
}
});
// <twocell label> ::= <digit> | <letter> | <cs>
// | '{' <nudge>? '*' <object> '}'
// | '{' <nudge>? <text> '}'
AST.Command.Twocell.Label = MathJax.Object.Subclass({
/**
* @param {Option[AST.Command.Twocell.Nudge.*]} maybeNudge
* @param {AST.Object} labelObject
*/
Init: function (maybeNudge, labelObject) {
this.maybeNudge = maybeNudge;
this.labelObject = labelObject;
},
toString: function () {
return this.maybeNudge.toString() + this.labelObject;
}
});
// <nudge> ::= '<' <factor> '>'
// | '<\omit>'
AST.Command.Twocell.Nudge = MathJax.Object.Subclass({});
AST.Command.Twocell.Nudge.Number = AST.Command.Twocell.Nudge.Subclass({
/**
* @param {Number} number number
*/
Init: function (number) {
this.number = number;
},
toString: function () {
return "<" + this.number + ">";
}
});
AST.Command.Twocell.Nudge.Omit = AST.Command.Twocell.Nudge.Subclass({
toString: function () {
return "<\\omit>";
}
});
// <twocell arrow> ::= '{' <twocell tok> (<twocell label entry> '}'
// | '{' <twocell label entry> '}'
// | <empty>
// <twocell tok> ::= '^' | '_' | '='
// | '\omit'
// | '`' | "'" | '"' | '!'
// <twocell label entry> ::= '*' <object>
// | <text>
AST.Command.Twocell.Arrow = MathJax.Object.Subclass({});
AST.Command.Twocell.Arrow.WithOrientation = AST.Command.Twocell.Arrow.Subclass({
/**
* @param {String} tok
* @param {AST.Object} labelObject
*/
Init: function (tok, labelObject) {
this.tok = tok;
this.labelObject = labelObject;
},
toString: function () {
return "{[" + this.tok + "] " + this.labelObject + "}";
}
});
// | '{' <nudge> <twocell label entry> '}'
AST.Command.Twocell.Arrow.WithPosition = AST.Command.Twocell.Arrow.Subclass({
/**
* @param {AST.Command.Twocell.Nudge.*} nudge
* @param {AST.Object} labelObject
*/
Init: function (nudge, labelObject) {
this.nudge = nudge;
this.labelObject = labelObject;
},
toString: function () {
return "{[" + this.nudge + "] " + this.labelObject + "}";
}
});
// '\newdir' '{' <main> '}' '{' <composite_object> '}'
AST.Command.Newdir = MathJax.Object.Subclass({
/**
* @param {String} dirMain
* @param {AST.ObjectBox.CompositeObject} compositeObject
*/
Init: function (dirMain, compositeObject) {
this.dirMain = dirMain;
this.compositeObject = compositeObject;
},
toString: function () {
return "\\newdir{" + this.dirMain + "}{" + this.compositeObject + "}";
}
});
// '\xyimport' '(' <factor> ',' <factor> ')' ( '(' <factor> ',' <factor> ')' )? '{' <TeX command> '}'
AST.Pos.Xyimport = MathJax.Object.Subclass({});
AST.Pos.Xyimport.TeXCommand = AST.Pos.Xyimport.Subclass({
/**
* @param {Number} width the width of the graphics in the coordinate system
* @param {Number} height the height of the graphics in the coordinate system
* @param {Number} xOffset the distance of the origin of coordinates from left corner
* @param {Number} yOffset the distance of the origin of coordinates from bottom corner
* @param {AST.Command.*} graphics object
*/
Init: function (width, height, xOffset, yOffset, graphics) {
this.width = width;
this.height = height;
this.xOffset = xOffset;
this.yOffset = yOffset;
this.graphics = graphics;
},
toString: function () {
return "\\xyimport(" + this.width + ", " + this.height + ")(" + this.xOffset + ", " + this.yOffset + "){" + this.graphics + "}";
}
});
// '\xyimport' '(' <factor> ',' <factor> ')' ( '(' <factor> ',' <factor> ')' )? '{' <include graphics> '}'
AST.Pos.Xyimport.Graphics = AST.Pos.Xyimport.Subclass({
/**
* @param {Number} width the width of the graphics in the coordinate system
* @param {Number} height the height of the graphics in the coordinate system
* @param {Number} xOffset the distance of the origin of coordinates from left corner
* @param {Number} yOffset the distance of the origin of coordinates from bottom corner
* @param {AST.Command.Includegraphics} graphics object
*/
Init: function (width, height, xOffset, yOffset, graphics) {
this.width = width;
this.height = height;
this.xOffset = xOffset;
this.yOffset = yOffset;
this.graphics = graphics;
},
toString: function () {
return "\\xyimport(" + this.width + ", " + this.height + ")(" + this.xOffset + ", " + this.yOffset + "){" + this.graphics + "}";
}
});
/* \includegraphics command from the graphicx package */
// '\includegraphics' '*'? '[' ( <includegraphics attr key val> ( ',' <includegraphics attr key val> )* )? ']' '{' <file path> '}'
AST.Command.Includegraphics = MathJax.Object.Subclass({
/**
* @param {boolean} isClipped whether the graphics is clipped to the size specified or not
* @param {List[AST.Command.Includegraphics.Attr]} attributeList attribute key-value list
* @param {String} filepath image file path
*/
Init: function (isClipped, attributeList, filepath) {
this.isClipped = isClipped;
this.attributeList = attributeList;
this.filepath = filepath;
},
isIncludegraphics: true,
toString: function () {
return "\\includegraphics" + (this.isClipped? "*" : "") + this.attributeList.mkString("[", ",", "]") + "{" + this.filepath + "}";
}
});
// TODO: define <includegraphics attr key val>
// <includegraphics attr key val> := 'width' '=' <dimen>
// | 'height' '=' <dimen>
AST.Command.Includegraphics.Attr = MathJax.Object.Subclass({});
AST.Command.Includegraphics.Attr.Width = AST.Command.Includegraphics.Attr.Subclass({
/**
* @param {String} dimen
*/
Init: function (dimen) {
this.dimen = dimen;
},
toString: function () {
return "width=" + this.dimen;
}
});
AST.Command.Includegraphics.Attr.Height = AST.Command.Includegraphics.Attr.Subclass({
/**
* @param {String} dimen
*/
Init: function (dimen) {
this.dimen = dimen;
},
toString: function () {
return "height=" + this.dimen;
}
});
var fun = FP.Parsers.fun;
var elem = FP.Parsers.elem;
var felem = function (x) { return fun(FP.Parsers.elem(x)); }
var lit = FP.Parsers.literal;
var regex = FP.Parsers.regex;
var regexLit = FP.Parsers.regexLiteral;
var flit = function (x) { return fun(FP.Parsers.literal(x)); }
var seq = FP.Parsers.seq;
var or = FP.Parsers.or;
var rep = function (x) { return FP.Parsers.lazyParser(x)().rep(); }
var rep1 = function (x) { return FP.Parsers.lazyParser(x)().rep1(); }
var opt = function (x) { return FP.Parsers.lazyParser(x)().opt(); }
var not = function (x) { return FP.Parsers.not(FP.Parsers.lazyParser(x)); }
var success = FP.Parsers.success;
var memo = function (parser) {
return function () {
var m = parser.memo;
if (m === undefined) {
m = parser.memo = parser();
}
return m;
}
}
var p = FP.Parsers.Subclass({
// <pos-decor> '\end' '{' 'xy' '}'
xy: memo(function () {
return p.posDecor().into(function (pd) {
return FP.Parsers.guard(function() { return lit('\\end').andl(flit('{')).andl(flit('xy')).andl(flit('}')).to(function () {
return pd;
})});
});
}),
// \xyboxの後の
// '{' <pos-decor> '}'
xybox: memo(function () {
return lit("{").andr(p.posDecor).andl(flit("}")).to(function (pd) {
return pd;
});
}),
// \xymatrixの後の
// <xymatrix>
xymatrixbox: memo(function () {
return p.xymatrix().to(function (m) {
return AST.PosDecor(AST.Pos.Coord(AST.Coord.C(), FP.List.empty), AST.Decor(FP.List.empty.append(m)));
});
}),
// <pos-decor> ::= <pos> <decor>
posDecor: memo(function () {
return seq(p.pos, p.decor).to(function (pd) {
return AST.PosDecor(pd.head, pd.tail);
});
}),
// <pos> ::= <coord> <pos2>*
pos: memo(function () {
return seq(p.coord, rep(p.pos2)).to(function (cps) {
return AST.Pos.Coord(cps.head, cps.tail);
});
}),
// <nonemptyPos> ::= <coord> <pos2>*
nonemptyPos: memo(function () {
return or(
seq(p.nonemptyCoord, rep(p.pos2)),
seq(p.coord, rep1(p.pos2))
).to(function (cps) {
return AST.Pos.Coord(cps.head, cps.tail);
});
}),
// <pos2> ::= '+' <coord>
// | '-' <coord>
// | '!' <coord>
// | '.' <coord>
// | ',' <coord>
// | ';' <coord>
// | '::' <coord>
// | ':' <coord>
// | '**' <object>
// | '*' <object>
// | '?' <place>
// | '@+' <corrd>
// | '@-' <corrd>
// | '@=' <corrd>
// | '@@' <corrd>
// | '@i'
// | '@('
// | '@)'
// | '=:' '"' <id> '"'
// | '=@' '"' <id> '"'
// | '=' '"' <id> '"'
// | '=' <nonemptyCoord> '"' <id> '"'
// | <xyimport>
pos2: memo(function () {
return or(
lit('+').andr(p.coord).to(function (c) { return AST.Pos.Plus(c); }),
lit('-').andr(p.coord).to(function (c) { return AST.Pos.Minus(c); }),
lit('!').andr(p.coord).to(function (c) { return AST.Pos.Skew(c); }),
lit('.').andr(p.coord).to(function (c) { return AST.Pos.Cover(c); }),
lit(',').andr(p.coord).to(function (c) { return AST.Pos.Then(c); }),
lit(';').andr(p.coord).to(function (c) { return AST.Pos.SwapPAndC(c); }),
lit('::').andr(p.coord).to(function (c) { return AST.Pos.SetYBase(c); }),
lit(':').andr(p.coord).to(function (c) { return AST.Pos.SetBase(c); }),
lit('**').andr(p.object).to(function (o) { return AST.Pos.ConnectObject(o); }),
lit('*').andr(p.object).to(function (o) { return AST.Pos.DropObject(o); }),
lit('?').andr(p.place).to(function (o) { return AST.Pos.Place(o); }),
lit('@+').andr(p.coord).to(function (c) { return AST.Pos.PushCoord(c); }),
lit('@-').andr(p.coord).to(function (c) { return AST.Pos.EvalCoordThenPop(c); }),
lit('@=').andr(p.coord).to(function (c) { return AST.Pos.LoadStack(c); }),
lit('@@').andr(p.coord).to(function (c) { return AST.Pos.DoCoord(c); }),
lit('@i').to(function () { return AST.Pos.InitStack(); }),
lit('@(').to(function () { return AST.Pos.EnterFrame(); }),
lit('@)').to(function () { return AST.Pos.LeaveFrame(); }),
lit('=:').andr(flit('"')).andr(p.id).andl(felem('"')).to(function (id) { return AST.Pos.SaveBase(id); }),
lit('=@').andr(flit('"')).andr(p.id).andl(felem('"')).to(function (id) { return AST.Pos.SaveStack(id); }),
lit('=').andr(flit('"')).andr(p.id).andl(felem('"')).to(function (id) { return AST.Pos.SavePos(id); }),
lit('=').andr(p.nonemptyCoord).andl(flit('"')).and(p.id).andl(felem('"')).to(function (mid) { return AST.Pos.SaveMacro(mid.head, mid.tail); }),
p.xyimport
);
}),
// <coord> ::= <nonemptyCoord> | <empty>
coord: memo(function () {
return or(
p.nonemptyCoord,
success('empty').to(function () { return AST.Coord.C(); })
);
}),
// <nonemptyCoord> ::= 'c' | 'p' | 'x' | 'y'
// | <vector>
// | '"' <id> '"'
// | '{' <pos> <decor> '}'
// | 's' <digit>
// | 's' '{' <nonnegative-number> '}'
// | '[' ('"'<prefix>'"')? <number> ',' <number> ']'
// | '[' ('"'<prefix>'"')? ( 'l' | 'r' | 'u' | 'd' )* ']'
// | '[' ('"'<prefix>'"')? ( 'l' | 'r' | 'u' | 'd' )+ <place> ']'
nonemptyCoord: memo(function () {
return or(
lit('c').to(function () { return AST.Coord.C(); }),
lit('p').to(function () { return AST.Coord.P(); }),
lit('x').to(function () { return AST.Coord.X(); }),
lit('y').to(function () { return AST.Coord.Y(); }),
p.vector().to(function (v) { return AST.Coord.Vector(v); }),
lit('"').andr(p.id).andl(felem('"')).to(function (id) { return AST.Coord.Id(id) }),
lit('{').andr(p.posDecor).andl(flit('}')).to(function (pd) { return AST.Coord.Group(pd) }),
lit('s').andr(fun(regexLit(/^\d/))).to(function (n) {
return AST.Coord.StackPosition(parseInt(n));
}),
lit('s').andr(flit('{')).and(p.nonnegativeNumber).andl(flit('}')).to(function (n) {
return AST.Coord.StackPosition(n);
}),
lit('[').andr(fun(
opt(lit('"').andr(p.id).andl(felem('"'))).to(function (id) { return id.getOrElse(""); }) )
).and(p.number).andl(flit(",")).and(p.number).andl(flit("]")).to(function (prc) {
return AST.Coord.DeltaRowColumn(prc.head.head, prc.head.tail, prc.tail);
}),
lit('[').andr(fun(
opt(lit('"').andr(p.id).andl(felem('"'))).to(function (id) { return id.getOrElse(""); }) )
).and(fun(rep(regex(/^[lrud]/)))).andl(flit("]")).to(function (ph) {
return AST.Coord.Hops(ph.head, ph.tail);
}),
lit('[').andr(fun(
opt(lit('"').andr(p.id).andl(felem('"'))).to(function (id) { return id.getOrElse(""); }) )
).and(fun(rep1(regex(/^[lrud]/)))).and(p.place).andl(flit("]")).to(function (php) {
return AST.Coord.DeltaRowColumn(php.head.head, php.head.tail, AST.Pos.Place(php.tail));
})
);
}),
// <vector> ::= '(' <factor> ',' <factor> ')'
// | '<' <dimen> ',' <dimen> '>'
// | '<' <dimen> '>'
// | 'a' '(' <number> ')'
// | '/' <direction> <loose-dimen> '/'
// | 0
// | <corner>
// | <corner> '(' <factor> ')'
vector: memo(function () {
return or(
lit('(').andr(p.factor).andl(flit(',')).and(p.factor).andl(flit(')')).to(
function (xy) {
return AST.Vector.InCurBase(xy.head, xy.tail);
}
),
lit('<').andr(p.dimen).andl(flit(',')).and(p.dimen).andl(flit('>')).to(
function (xy) {
return AST.Vector.Abs(xy.head, xy.tail);
}
),
lit('<').andr(p.dimen).andl(flit('>')).to(
function (x) {
return AST.Vector.Abs(x, x);
}
),
lit('a').andr(flit('(')).andr(p.number).andl(flit(')')).to(
function (d) {
return AST.Vector.Angle(d);
}
),
lit('/').andr(p.direction).and(p.looseDimen).andl(flit('/')).to(
function (dd) {
return AST.Vector.Dir(dd.head, dd.tail);
}
),
lit('0').to(function (x) { return AST.Vector.Abs("0mm", "0mm"); }),
function () { return p.corner().and(fun(FP.Parsers.opt(
fun(lit('(').andr(p.factor).andl(flit(')')))).to(function (f) {
return f.getOrElse(1);
}))).to(function (cf) {
return AST.Vector.Corner(cf.head, cf.tail);
})
}
);
}),
// <corner> ::= 'L' | 'R' | 'D' | 'U'
// | 'CL' | 'CR' | 'CD' | 'CU' | 'LC' | 'RC' | 'DC' | 'UC'
// | 'LD' | 'RD' | 'LU' | 'RU' | 'DL' | 'DR' | 'UL' | 'UR'
// | 'E' | 'P'
// | 'A'
corner: memo(function () {
return or(
regexLit(/^(CL|LC)/).to(function () { return AST.Corner.CL(); }),
regexLit(/^(CR|RC)/).to(function () { return AST.Corner.CR(); }),
regexLit(/^(CD|DC)/).to(function () { return AST.Corner.CD(); }),
regexLit(/^(CU|UC)/).to(function () { return AST.Corner.CU(); }),
regexLit(/^(LD|DL)/).to(function () { return AST.Corner.LD(); }),
regexLit(/^(RD|DR)/).to(function () { return AST.Corner.RD(); }),
regexLit(/^(LU|UL)/).to(function () { return AST.Corner.LU(); }),
regexLit(/^(RU|UR)/).to(function () { return AST.Corner.RU(); }),
lit('L').to(function () { return AST.Corner.L(); }),
lit('R').to(function () { return AST.Corner.R(); }),
lit('D').to(function () { return AST.Corner.D(); }),
lit('U').to(function () { return AST.Corner.U(); }),
lit('E').to(function () { return AST.Corner.NearestEdgePoint(); }),
lit('P').to(function () { return AST.Corner.PropEdgePoint(); }),
lit('A').to(function () { return AST.Corner.Axis(); })
);
}),
// <place> ::= '<' <place>
// | '>' <place>
// | '(' <factor> ')' <place>
// | '!' '{' <pos> '}' <slide>
// | <slide>
place: memo(function () {
return or(
lit('<').andr(p.place).to(function (pl) {
return AST.Place(1, 0, undefined, undefined).compound(pl);
}),
lit('>').andr(p.place).to(function (pl) {
return AST.Place(0, 1, undefined, undefined).compound(pl);
}),
lit('(').andr(p.factor).andl(flit(')')).and(p.place).to(function (pl) {
return AST.Place(0, 0, AST.Place.Factor(pl.head), undefined).compound(pl.tail);
}),
lit('!').andr(flit('{')).andr(p.pos).andl(flit('}')).and(p.slide).to(function (ps) {
return AST.Place(0, 0, AST.Place.Intercept(ps.head), ps.tail);
}),
function () { return p.slide().to(function (s) {
return AST.Place(0, 0, undefined, s);
}) }
);
}),
// <slide> ::= '/' <dimen> '/'
// | <empty>
slide: memo(function () {
return or(
lit('/').andr(p.dimen).andl(flit('/')).to(function (d) {
return AST.Slide(FP.Option.Some(d));
}),
success("no slide").to(function () {
return AST.Slide(FP.Option.empty);
})
);
}),
// <factor>
factor: memo(fun(regexLit(/^[+\-]?(\d+(\.\d*)?|\d*\.\d+)/).to(
function (v) { return parseFloat(v); })
)),
// <number>
number: memo(fun(regexLit(/^[+\-]?\d+/).to(
function (n) { return parseInt(n); })
)),
// <nonnegative-number>
nonnegativeNumber: memo(fun(regexLit(/^\d+/).to(
function (n) { return parseInt(n); })
)),
unit: memo(fun(regexLit(/^(em|ex|px|pt|pc|in|cm|mm|mu)/).to(function (d) {
return d
}))),
// <dimen> ::= <factor> ( 'em' | 'ex' | 'px' | 'pt' | 'pc' | 'in' | 'cm' | 'mm' | 'mu' )
dimen: memo(function () {
return p.factor().and(p.unit).to(function (x) {
return x.head.toString() + x.tail;
})
}),
// <loose-dimen> ::= <loose-factor> ( 'em' | 'ex' | 'px' | 'pt' | 'pc' | 'in' | 'cm' | 'mm' | 'mu' )
looseDimen: memo(function () {
return p.looseFactor().and(p.unit).to(function (x) {
return x.head.toString() + x.tail;
})
}),
// <loose-factor>
// makeshift against /^ 3.5mm/ converted to /^ 3 .5mm/ by MathJax.InputJax.TeX.prefilterMath()
looseFactor: memo(fun(or(
regexLit(/^(\d \d*(\.\d*))/).to(function (v) {
return parseFloat(v.replace(/ /, ""));
}),
regexLit(/^[+\-]?(\d+(\.\d*)?|\d*\.\d+)/).to(function (v) {
return parseFloat(v);
})
))),
// <id>
id: memo(fun(regex(/^[^"]+/))), // "
// <object> ::= <modifier>* <objectbox>
object: memo(function () {
return or(
rep(p.modifier).and(p.objectbox).to(function (mso) {
return AST.Object(mso.head, mso.tail);
})
);
}),
// <objectbox> ::= '{' <text> '}'
// | '@' <dir>
// | '\dir' <dir>
// | '\cir' <cir_radius> '{' <cir> '}'
// | '\frm' <frame_radius> '{' <frame_main> '}'
// | '\object' <object>
// | '\composite' '{' <composite_object> '}'
// | '\xybox' '{' <pos> <decor> '}'
// | '\xymatrix' <xymatrix>
// | <curve>
// | <TeX box> '{' <text> '}'
objectbox: memo(function () {
return or(
p.mathText,
lit("@").andr(p.dir),
lit("\\dir").andr(p.dir),
lit("\\cir").andr(p.cirRadius).andl(flit("{")).and(p.cir).andl(flit("}")).to(function (rc) {
return AST.ObjectBox.Cir(rc.head, rc.tail);
}),
lit("\\frm").andr(p.frameRadius).andl(flit("{")).and(p.frameMain).andl(flit("}")).to(function (rm) {
return AST.ObjectBox.Frame(rm.head, rm.tail);
}),
lit("\\object").andr(p.object).to(function (o) {
return AST.ObjectBox.WrapUpObject(o);
}),
lit("\\composite").and(flit("{")).andr(p.compositeObject).andl(flit("}")).to(function (os) {
return AST.ObjectBox.CompositeObject(os);
}),
lit("\\xybox").and(flit("{")).andr(p.posDecor).andl(flit("}")).to(function (pd) {
return AST.ObjectBox.Xybox(pd);
}),
lit("\\xymatrix").andr(p.xymatrix).to(function (m) {
return AST.ObjectBox.Xymatrix(m);
}),
p.txt,
p.curve,
regex(/^(\\[a-zA-Z@][a-zA-Z0-9@]+)/).andl(flit("{")).and(p.text).andl(flit("}")).to(function (bt) {
return p.toMath(bt.head + "{" + bt.tail + "}");
})
);
}),
// <composite_object> ::= <object> ( '*' <object> )*
compositeObject: memo(function () {
return p.object().and(fun(rep(lit("*").andr(p.object)))).to(function (oos) {
return oos.tail.prepend(oos.head);
});
}),
// <math-text> ::= '{' <text> '}'
mathText: memo(function () {
return lit("{").andr(p.text).andl(felem("}")).to(function (text) {
return p.toMath("\\hbox{$\\objectstyle{" + text + "}$}");
});
}),
toMath: function (math) {
var mml = TEX.Parse(math).mml();
if (mml.inferred) {
mml = MML.apply(MathJax.ElementJax, mml.data);
} else {
mml = MML(mml);
}
TEX.combineRelations(mml.root);
return AST.ObjectBox.Text(mml.root);
},
// <text> ::= /[^{}\\%]*/ (( '\{' | '\}' | '\%' | '\\' | '{' <text> '}' | /%[^\r\n]*(\r\n|\r|\n)?/ ) /[^{}\\%]*/ )*
text: memo(function () {
return regex(/^[^{}\\%]*/).and(function () {
return (
or(
regex(/^(\\\{|\\\}|\\%|\\)/).to(function (x) {
return x;
}),
elem("{").andr(p.text).andl(felem("}")).to(function (x) {
return "{" + x + "}";
}),
regex(/^%[^\r\n]*(\r\n|\r|\n)?/).to(function (x) {
return ' '; // ignore comments
})
).and(fun(regex(/^[^{}\\%]*/)))).rep().to(function (xs) {
var res = "";
xs.foreach(function (x) {
res += x.head + x.tail;
});
return res;
})
}).to(function (x) {
return x.head + x.tail
});
}),
txt: memo(function () {
return lit("\\txt").andr(p.txtWidth).and(fun(regex(/^(\\[a-zA-Z@][a-zA-Z0-9@]+)?/))).andl(flit("{")).and(p.text).andl(flit("}")).to(function (wst) {
var width = wst.head.head;
var style = wst.head.tail;
var text = wst.tail;
var math;
var lines = text.split("\\\\");
if (lines.length <= 1) {
math = style + "{\\hbox{" + text + "}}";
} else {
math = "\\hbox{$\\begin{array}{c}\n";
for (var i = 0; i < lines.length; i++) {
math += style + "{\\hbox{" + lines[i].replace(/(^[\r\n\s]+)|([\r\n\s]+$)/g, "") + "}}";
if (i != lines.length - 1) {
math += "\\\\\n";
}
}
math += "\\end{array}$}";
}
return AST.ObjectBox.Txt(width, p.toMath(math));
});
}),
// <txt_width> ::= '<' <dimen> '>'
// | <empty>
txtWidth: memo(function () {
return or(
lit('<').andr(p.dimen).andl(flit('>')).to(
function (x) {
return AST.Vector.Abs(x, x);
}
).to(function (v) {
return AST.ObjectBox.Txt.Width.Vector(v);
}),
success("default").to(function () {
return AST.ObjectBox.Txt.Width.Default();
})
);
}),
// <dir> ::= <variant> '{' <main> '}'
// <variant> ::= '^' | '_' | '0' | '1' | '2' | '3' | <empty>
dir: memo(function () {
return regexLit(/^[\^_0123]/).opt().andl(flit('{')).and(p.dirMain).andl(flit('}')).to(function (vm) {
return AST.ObjectBox.Dir(vm.head.getOrElse(""), vm.tail);
})
}),
// <main> ::= ('-' | '.' | '~' | '>' | '<' | '(' | ')' | '`' | "'" | '|' | '*' | '+' | 'x' | '/' | 'o' | '=' | ':' | /[a-zA-Z@ ]/)*
dirMain: memo(function () {
return regex(/^(-|\.|~|>|<|\(|\)|`|'|\||\*|\+|x|\/|o|=|:|[a-zA-Z@ ])+/ /*'*/).opt().to(function (m) {
return m.getOrElse("");
})
}),
// <cir_radius> ::= <vector>
// | <empty>
cirRadius: memo(function () {
return or(
p.vector().to(function (v) {
return AST.ObjectBox.Cir.Radius.Vector(v);
}),
success("default").to(function () {
return AST.ObjectBox.Cir.Radius.Default();
})
);
}),
// <frame_radius> ::= <frame_radius_vector>
// | <empty>
frameRadius: memo(function () {
return or(
p.frameRadiusVector().to(function (v) {
return AST.ObjectBox.Frame.Radius.Vector(v);
}),
success("default").to(function () {
return AST.ObjectBox.Frame.Radius.Default();
})
);
}),
// <frame_radius_vector> ::= '<' <dimen> ',' <dimen> '>'
// | '<' <dimen> '>'
frameRadiusVector: memo(function () {
return or(
lit('<').andr(p.dimen).andl(flit(',')).and(p.dimen).andl(flit('>')).to(
function (xy) {
return AST.Vector.Abs(xy.head, xy.tail);
}
),
lit('<').andr(p.dimen).andl(flit('>')).to(
function (x) {
return AST.Vector.Abs(x, x);
}
)
);
}),
// <frame_main> ::= ( '-' | '=' | '.' | ',' | 'o' | 'e' | '*' )*
// | ( '_' | '^' )? ( '\{' | '\}' | '(' | ')' )
frameMain: memo(function () {
return regex(/^(((_|\^)?(\\\{|\\\}|\(|\)))|[\-=oe,\.\*]*)/);
}),
// <cir> ::= <diag> <orient> <diag>
// | <empty>
cir: memo(function () {
return or(
p.nonemptyCir,
success("full").to(function () {
return AST.ObjectBox.Cir.Cir.Full();
})
);
}),
nonemptyCir: memo(function () {
return p.diag().and(fun(regexLit(/^[_\^]/))).and(p.diag).to(function (dod) {
return AST.ObjectBox.Cir.Cir.Segment(dod.head.head, dod.head.tail, dod.tail);
});
}),
// <curve> ::= '\crv' <curve-modifier> '{' <curve-object> <curve-poslist> '}'
curve: memo(function () {
return lit("\\crv").andr(p.curveModifier).andl(flit("{")).and(p.curveObject).and(p.curvePoslist).andl(flit("}")).to(function (mop) {
return AST.ObjectBox.Curve(mop.head.head, mop.head.tail, mop.tail);
});
}),
// <curve-modifier> ::= ( '~' <curve-option> )*
curveModifier: memo(function () {
return rep(fun(lit("~").andr(p.curveOption)));
}),
// <curve-option> ::= 'p' | 'P' | 'l' | 'L' | 'c' | 'C'
// | 'pc' | 'pC' | 'Pc' | 'PC'
// | 'lc' | 'lC' | 'Lc' | 'LC'
// | 'cC'
curveOption: memo(function () {
return or(
lit("p").to(function () { return AST.ObjectBox.Curve.Modifier.p(); }),
lit("P").to(function () { return AST.ObjectBox.Curve.Modifier.P(); }),
lit("l").to(function () { return AST.ObjectBox.Curve.Modifier.l(); }),
lit("L").to(function () { return AST.ObjectBox.Curve.Modifier.L(); }),
lit("c").to(function () { return AST.ObjectBox.Curve.Modifier.c(); }),
lit("C").to(function () { return AST.ObjectBox.Curve.Modifier.C(); }),
lit("pc").to(function () { return AST.ObjectBox.Curve.Modifier.pc(); }),
lit("pC").to(function () { return AST.ObjectBox.Curve.Modifier.pC(); }),
lit("Pc").to(function () { return AST.ObjectBox.Curve.Modifier.Pc(); }),
lit("PC").to(function () { return AST.ObjectBox.Curve.Modifier.PC(); }),
lit("lc").to(function () { return AST.ObjectBox.Curve.Modifier.lc(); }),
lit("lC").to(function () { return AST.ObjectBox.Curve.Modifier.lC(); }),
lit("Lc").to(function () { return AST.ObjectBox.Curve.Modifier.Lc(); }),
lit("LC").to(function () { return AST.ObjectBox.Curve.Modifier.LC(); }),
lit("cC").to(function () { return AST.ObjectBox.Curve.Modifier.cC(); })
);
}),
// <curve-object> ::= <empty>
// | '~*' <object> <curve-object>
// | '~**' <object> <curve-object>
curveObject: memo(function () {
return rep(or(
lit("~*").andr(p.object).to(function (obj) {
return AST.ObjectBox.Curve.Object.Drop(obj);
}),
lit("~**").andr(p.object).to(function (obj) {
return AST.ObjectBox.Curve.Object.Connect(obj);
})
));
}),
// <curve-poslist> ::= <empty> ^^ Empty List
// | '&' <curve-poslist2> ^^ (c, <poslist>)
// | <nonemptyPos> ^^ (<nonemptyPos>, Nil)
// | <nonemptyPos> '&' <curve-poslist2> ^^ (<nonemptyPos>, <poslist>)
// | '~@' ^^ (~@, Nil)
// | '~@' '&' <curve-poslist2> ^^ (~@, <poslist>)
// <curve-poslist2> ::= <empty> ^^ (c, Nil)
// | '&' <curve-poslist2> ^^ (c, <poslist>)
// | <nonemptyPos> ^^ (<nonemptyPos>, Nil)
// | <nonemptyPos> '&' <curve-poslist2> ^^ (<nonemptyPos>, <poslist>)
// | '~@' ^^ (~@, Nil)
// | '~@' '&' <curve-poslist2> ^^ (~@, <poslist>)
curvePoslist: memo(function () {
return or(
lit("&").andr(p.curvePoslist2).to(function (ps) {
return ps.prepend(AST.ObjectBox.Curve.PosList.CurPos());
}),
lit("~@").andr(flit("&")).andr(p.curvePoslist2).to(function (ps) {
return ps.prepend(AST.ObjectBox.Curve.PosList.AddStack());
}),
lit("~@").to(function () {
return FP.List.empty.prepend(AST.ObjectBox.Curve.PosList.AddStack());
}),
p.pos().andl(flit("&")).and(p.curvePoslist2).to(function (pps) {
return pps.tail.prepend(AST.ObjectBox.Curve.PosList.Pos(pps.head));
}),
p.nonemptyPos().to(function (p) {
return FP.List.empty.prepend(AST.ObjectBox.Curve.PosList.Pos(p));
}),
success("empty").to(function () {
return FP.List.empty;
})
);
}),
curvePoslist2: memo(function () {
return or(
lit("&").andr(p.curvePoslist2).to(function (ps) {
return ps.prepend(AST.ObjectBox.Curve.PosList.CurPos());
}),
lit("~@").andr(flit("&")).andr(p.curvePoslist2).to(function (ps) {
return ps.prepend(AST.ObjectBox.Curve.PosList.AddStack());
}),
lit("~@").to(function () {
return FP.List.empty.prepend(AST.ObjectBox.Curve.PosList.AddStack());
}),
p.nonemptyPos().andl(flit("&")).and(p.curvePoslist2).to(function (pps) {
return pps.tail.prepend(AST.ObjectBox.Curve.PosList.Pos(pps.head));
}),
p.nonemptyPos().to(function (p) {
return FP.List.empty.prepend(AST.ObjectBox.Curve.PosList.Pos(p));
}),
success("empty").to(function () {
return FP.List.empty.prepend(AST.ObjectBox.Curve.PosList.CurPos());
})
);
}),
// <modifier> ::= '!' <vector>
// | '[' <shape> ']'
// | 'i'
// | 'h'
// | <add-op> <size>
// | <nonemptyDirection>
modifier: memo(function () {
return or(
lit("!").andr(p.vector).to(function (v) {
return AST.Modifier.Vector(v);
}),
lit("!").to(function (v) {
return AST.Modifier.RestoreOriginalRefPoint();
}),
lit("[").andr(p.shape).andl(flit("]")).to(function (s) {
return s;
}),
lit("i").to(function (v) {
return AST.Modifier.Invisible();
}),
lit("h").to(function (v) {
return AST.Modifier.Hidden();
}),
p.addOp().and(p.size).to(function (os) {
return AST.Modifier.AddOp(os.head, os.tail);
}),
p.nonemptyDirection().to(function (d) {
return AST.Modifier.Direction(d);
})
);
}),
// <add-op> ::= '+' | '-' | '=' | '+=' | '-='
addOp: memo(function () {
return or(
lit("+=").to(function () { return AST.Modifier.AddOp.GrowTo(); }),
lit("-=").to(function () { return AST.Modifier.AddOp.ShrinkTo(); }),
lit("+").to(function () { return AST.Modifier.AddOp.Grow(); }),
lit("-").to(function () { return AST.Modifier.AddOp.Shrink(); }),
lit("=").to(function () { return AST.Modifier.AddOp.Set(); })
);
}),
// <size> ::= <vector> | <empty>
size: memo(function () {
return or(
function () { return p.vector().to(function (v) {
return AST.Modifier.AddOp.VactorSize(v);
}) },
success("default size").to(function () {
return AST.Modifier.AddOp.DefaultSize();
})
);
}),
// <shape> ::= '.'
// | <frame_shape>
// | <alphabets>
// | '=' <alphabets>
// | <empty>
shape: memo(function () {
return or(
lit(".").to(function () { return AST.Modifier.Shape.Point(); }),
p.frameShape,
p.alphabets().to(function (name) {
return AST.Modifier.Shape.Alphabets(name);
}),
lit("=").andr(p.alphabets).to(function (name) {
return AST.Modifier.Shape.DefineShape(name);
}),
success("rect").to(function () { return AST.Modifier.Shape.Rect(); })
);
}),
// <frame_shape> ::= 'F' <frame_main> ( ':' ( <frame_radius_vector> | <color_name> ))*
frameShape: memo(function () {
return lit("F").andr(p.frameMain).and(fun(
rep(lit(":").andr(fun(
or(
p.frameRadiusVector().to(function (v) {
return AST.Modifier.Shape.Frame.Radius(v);
}),
p.colorName().to(function (c) {
return AST.Modifier.Shape.Frame.Color(c);
})
)
)))
)).to(function (mo) {
var main = mo.head;
if (main === "") {
main = "-";
}
return AST.Modifier.Shape.Frame(main, mo.tail);
});
}),
// <alphabets> ::= /[a-zA-Z]+/
alphabets: memo(function () {
return regex(/^([a-zA-Z]+)/);
}),
// <color_name> ::= /[a-zA-Z][a-zA-Z0-9]*/
colorName: memo(function () {
return regex(/^([a-zA-Z][a-zA-Z0-9]*)/);
}),
// <direction> ::= <direction0> <direction1>*
// <direction0> ::= <direction2>
// | <diag>
// <direction1> | ':' <vector>
// | '_'
// | '^'
// <direction2> ::= 'v' <vector>
// | 'q' '{' <pos> <decor> '}'
direction: memo(function () {
return seq(p.direction0, rep(p.direction1)).to(function (drs){
return AST.Direction.Compound(drs.head, drs.tail);
});
}),
direction0: memo(function () {
return or(
p.direction2,
p.diag().to(function (d) {
return AST.Direction.Diag(d);
})
);
}),
direction1: memo(function () {
return or(
lit(':').andr(p.vector).to(function (v) {
return AST.Direction.RotVector(v);
}),
lit('_').to(function (x) {
return AST.Direction.RotAntiCW();
}),
lit('^').to(function (x) {
return AST.Direction.RotCW();
})
);
}),
direction2: memo(function () {
return or(
lit('v').andr(p.vector).to(function (v) {
return AST.Direction.Vector(v);
}),
lit('q').andr(flit('{')).andr(p.posDecor).andl(flit('}')).to(function (pd) {
return AST.Direction.ConstructVector(pd);
})
);
}),
// <nonempty-direction> ::= <nonempty-direction0> <direction1>*
// | <direction0> <direction1>+
// <nonempty-direction0> ::= <nonempty-diag>
// | <direction2>
nonemptyDirection: memo(function () {
return or(
seq(p.nonemptyDirection0, rep(p.direction1)),
seq(p.direction0, rep1(p.direction1))
).to(function (drs){
return AST.Direction.Compound(drs.head, drs.tail);
});
}),
nonemptyDirection0: memo(function () {
return or(
p.direction2,
p.nonemptyDiag().to(function (d) {
return AST.Direction.Diag(d);
})
);
}),
// <diag> ::= <nonempty-diag> | <empty>
// <nonempty-diag> ::= 'l' | 'r' | 'd' | 'u' | 'ld' | 'rd' | 'lu' | 'ru'
diag: memo(function () {
return or(
p.nonemptyDiag,
success("empty").to(function (x) {
return AST.Diag.Default();
})
);
}),
nonemptyDiag: memo(function () {
return or(
regexLit(/^(ld|dl)/).to(function (x) { return AST.Diag.LD(); }),
regexLit(/^(rd|dr)/).to(function (x) { return AST.Diag.RD(); }),
regexLit(/^(lu|ul)/).to(function (x) { return AST.Diag.LU(); }),
regexLit(/^(ru|ur)/).to(function (x) { return AST.Diag.RU(); }),
lit('l').to(function (x) { return AST.Diag.L(); }),
lit('r').to(function (x) { return AST.Diag.R(); }),
lit('d').to(function (x) { return AST.Diag.D(); }),
lit('u').to(function (x) { return AST.Diag.U(); })
);
}),
// <decor> ::= <command>*
decor: memo(function () {
return p.command().rep().to(function (cs) {
return AST.Decor(cs);
})
}),
// <command> ::= '\ar' ( <arrow_form> )* <path>
// | '\xymatrix' <xymatrix>
// | '\PATH' <path>
// | '\afterPATH' '{' <decor> '}' <path>
// | '\save' <pos>
// | '\restore'
// | '\POS' <pos>
// | '\afterPOS' '{' <decor> '}' <pos>
// | '\drop' <object>
// | '\connect' <object>
// | '\relax'
// | '\xyignore' '{' <pos> <decor> '}'
// | <twocell command>
command: memo(function () {
return or(
lit("\\ar").andr(fun(rep(p.arrowForm))).and(p.path).to(function (fsp) {
return AST.Command.Ar(fsp.head, fsp.tail);
}),
lit("\\xymatrix").andr(p.xymatrix),
lit("\\PATH").andr(p.path).to(function (path) {
return AST.Command.Path(path);
}),
lit("\\afterPATH").andr(flit('{')).andr(p.decor).andl(flit('}')).and(p.path).to(function (dp) {
return AST.Command.AfterPath(dp.head, dp.tail);
}),
lit("\\save").andr(p.pos).to(function (pos) {
return AST.Command.Save(pos);
}),
lit("\\restore").to(function () {
return AST.Command.Restore();
}),
lit("\\POS").andr(p.pos).to(function (pos) {
return AST.Command.Pos(pos);
}),
lit("\\afterPOS").andr(flit('{')).andr(p.decor).andl(flit('}')).and(p.pos).to(function (dp) {
return AST.Command.AfterPos(dp.head, dp.tail);
}),
lit("\\drop").andr(p.object).to(function (obj) {
return AST.Command.Drop(obj);
}),
lit("\\connect").andr(p.object).to(function (obj) {
return AST.Command.Connect(obj);
}),
lit("\\relax").to(function () {
return AST.Command.Relax();
}),
lit("\\xyignore").andr(flit('{')).andr(p.pos).and(p.decor).andl(flit('}')).to(function (pd) {
return AST.Command.Ignore(pd.head, pd.tail);
}),
lit("\\xyshowAST").andr(flit('{')).andr(p.pos).and(p.decor).andl(flit('}')).to(function (pd) {
return AST.Command.ShowAST(pd.head, pd.tail);
}),
p.twocellCommand
);
}),
// <arrow_form> ::= '@' <conchar>
// | '@' '!'
// | '@' '/' <direction> ( <loose-dimen> )? '/'
// | '@' '(' <direction> ',' <direction> ')'
// | '@' '`' '{' <curve-poslist> '}'
// | '@' '[' <shape> ']'
// | '@' '*' '{' ( <modifier> )* '}'
// | '@' '<' <dimen> '>'
// | '|' <anchor> <it>
// | '^' <anchor> <it>
// | '_' <anchor> <it>
// | '@' '?'
// | '@' <variant> ( <tip_conn_tip> )?
// <conchar> ::= /[\-\.~=:]/
// <variant> ::= /[\^_0123]/ | <empty>
arrowForm: memo(function () {
return or(
lit("@").andr(fun(regex(/^([\-\.~=:])/))).to(function (c) {
return AST.Command.Ar.Form.ChangeStem(c);
}),
lit("@").andr(flit("!")).to(function (c) {
return AST.Command.Ar.Form.DashArrowStem();
}),
lit("@").andr(flit("/")).andr(p.direction).and(fun(opt(p.looseDimen))).andl(flit("/")).to(function (dd) {
return AST.Command.Ar.Form.CurveArrow(dd.head, dd.tail.getOrElse(".5pc"));
}),
lit("@").andr(flit("(")).andr(p.direction).andl(flit(",")).and(p.direction).andl(flit(")")).to(function (dd) {
return AST.Command.Ar.Form.CurveFitToDirection(dd.head, dd.tail);
}),
lit("@").andr(flit("`")).andr(p.coord).to(function (c) {
return AST.Command.Ar.Form.CurveWithControlPoints(c);
}),
lit("@").andr(flit("[")).andr(p.shape).andl(flit("]")).to(function (s) {
return AST.Command.Ar.Form.AddShape(s);
}),
lit("@").andr(flit("*")).andr(flit("{")).andr(fun(rep(p.modifier))).andl(flit("}")).to(function (ms) {
return AST.Command.Ar.Form.AddModifiers(ms);
}),
lit("@").andr(flit("<")).andr(p.dimen).andl(flit(">")).to(function (d) {
return AST.Command.Ar.Form.Slide(d);
}),
lit("|").andr(p.anchor).and(p.it).to(function (ai) {
return AST.Command.Ar.Form.LabelAt(ai.head, ai.tail);
}),
lit("^").andr(p.anchor).and(p.it).to(function (ai) {
return AST.Command.Ar.Form.LabelAbove(ai.head, ai.tail);
}),
lit("_").andr(p.anchor).and(p.it).to(function (ai) {
return AST.Command.Ar.Form.LabelBelow(ai.head, ai.tail);
}),
lit("@").andr(flit("?")).to(function () {
return AST.Command.Ar.Form.ReverseAboveAndBelow();
}),
lit("@").andr(fun(regex(/^([\^_0123])/).opt())).and(fun(opt(p.tipConnTip))).to(function (vtct) {
var variant = vtct.head.getOrElse("");
if (vtct.tail.isDefined) {
var tct = vtct.tail.get;
return AST.Command.Ar.Form.BuildArrow(variant, tct.tail, tct.stem, tct.head);
} else {
return AST.Command.Ar.Form.ChangeVariant(variant);
}
})
);
}),
// <tip_conn_tip> ::= '{' <nonempty_tip>? <nonempty_conn>? <nonempty_tip>? '}'
tipConnTip: memo(function () {
return lit("{").andr(fun(opt(p.nonemptyTip))).and(fun(opt(p.nonemptyConn))).and(fun(opt(p.nonemptyTip))).andl(flit("}")).to(function (pcp) {
var maybeTail = pcp.head.head;
var maybeStem = pcp.head.tail;
var maybeHead = pcp.tail;
var emptyTip = AST.Command.Ar.Form.Tip.Tipchars("");
var tail, stem, head;
if (!maybeStem.isDefined && !maybeHead.isDefined) {
if (!maybeTail.isDefined) {
tail = emptyTip;
stem = AST.Command.Ar.Form.Conn.Connchars("");
head = emptyTip;
} else {
tail = emptyTip;
stem = AST.Command.Ar.Form.Conn.Connchars("-");
head = maybeTail.getOrElse(emptyTip);
}
} else {
tail = maybeTail.getOrElse(emptyTip);
stem = maybeStem.getOrElse(AST.Command.Ar.Form.Conn.Connchars(""));
head = maybeHead.getOrElse(emptyTip);
}
return {
tail:tail,
stem:stem,
head:head
};
});
}),
// <nonempty_tip> ::= /[<>()|'`+/a-zA-Z ]+/
// | <arrow_dir>
// <arrow_dir> ::= '*' <object>
// | <dir>
nonemptyTip: memo(function () {
return or(
regex(/^([<>()|'`+\/a-zA-Z ]+)/).to(function (cs) {
return AST.Command.Ar.Form.Tip.Tipchars(cs);
}),
lit("*").andr(p.object).to(function (o) {
return AST.Command.Ar.Form.Tip.Object(o);
}),
p.dir().to(function (d) {
return AST.Command.Ar.Form.Tip.Dir(d);
})
);
}),
// <nonempty_conn> ::= /[\-\.~=:]+/
// | <arrow_dir>
nonemptyConn: memo(function () {
return or(
regex(/^([\-\.~=:]+)/).to(function (cs) {
return AST.Command.Ar.Form.Conn.Connchars(cs);
}),
lit("*").andr(p.object).to(function (o) {
return AST.Command.Ar.Form.Conn.Object(o);
}),
p.dir().to(function (d) {
return AST.Command.Ar.Form.Conn.Dir(d);
})
);
}),
// <path> ::= <path2>(Nil)
path: memo(function () {
return p.path2(FP.List.empty /* initial failure continuation */).to(function (ps) {
return AST.Command.Path.Path(ps);
})
}),
// <path2>(fc) ::= '~' <action> '{' <pos> <decor> '}' <path2>(fc)
// | '~' <which> '{' <labels> '}' <path2>(fc)
// | "'" <segment> <path2>(fc)
// | '`' <turn> <segment> <path2>(fc)
// | '~' '{' <path2 as fc'> '}' <path2>(fc')
// | <segment>
// | <empty>
// <action> ::= '=' | '/'
// <which> ::= '<' | '>' | '+'
path2: function (fc) {
var q = memo(function () { return p.path2(fc) });
return or(
p.path3().and(q).to(function (ep) {
return ep.tail.prepend(ep.head);
}),
seq('~', '{', q, '}').to(function (newFc) {
return newFc.head.tail;
}).into(function (newFc) {
return p.path2(newFc);
}),
p.segment().to(function (s) {
return FP.List.empty.prepend(AST.Command.Path.LastSegment(s));
}),
success(fc).to(function (fc) {
return fc;
})
);
},
path3: memo(function () {
return or(
seq('~', '=', '{', p.posDecor, '}').to(function (pd) {
return AST.Command.Path.SetBeforeAction(pd.head.tail);
}),
seq('~', '/', '{', p.posDecor, '}').to(function (pd) {
return AST.Command.Path.SetAfterAction(pd.head.tail);
}),
seq('~', '<', '{', p.labels, '}').to(function (ls) {
return AST.Command.Path.AddLabelNextSegmentOnly(ls.head.tail);
}),
seq('~', '>', '{', p.labels, '}').to(function (ls) {
return AST.Command.Path.AddLabelLastSegmentOnly(ls.head.tail);
}),
seq('~', '+', '{', p.labels, '}').to(function (ls) {
return AST.Command.Path.AddLabelEverySegment(ls.head.tail);
}),
seq("'", p.segment).to(function (s) {
return AST.Command.Path.StraightSegment(s.tail);
}),
seq('`', p.turn, p.segment).to(function (ts) {
return AST.Command.Path.TurningSegment(ts.head.tail, ts.tail);
})
);
}),
// <turn> ::= <diag> <turn-radius>
// | <cir> <turnradius>
turn: memo(function () {
return or(
p.nonemptyCir().and(p.turnRadius).to(function (cr) {
return AST.Command.Path.Turn.Cir(cr.head, cr.tail);
}),
p.diag().and(p.turnRadius).to(function (dr) {
return AST.Command.Path.Turn.Diag(dr.head, dr.tail);
})
);
}),
// <turn-radius> ::= <empty> | '/' <dimen>
turnRadius: memo(function () {
return or(
lit('/').andr(p.dimen).to(function (d) {
return AST.Command.Path.TurnRadius.Dimen(d);
}),
success("default").to(function () {
return AST.Command.Path.TurnRadius.Default();
})
);
}),
// <segment> ::= <nonempty-pos> <slide> <labels>
segment: memo(function () {
return p.nonemptyPos().and(p.pathSlide).and(p.labels).to(function (psl) {
return AST.Command.Path.Segment(psl.head.head, psl.head.tail, psl.tail);
});
}),
// <slide> ::= '<' <dimen> '>'
// | <empty>
pathSlide: memo(function () {
return or(
lit('<').andr(p.dimen).andl(flit('>')).to(function (d) {
return AST.Slide(FP.Option.Some(d));
}),
success("no slide").to(function () {
return AST.Slide(FP.Option.empty);
})
);
}),
// <labels> ::= <label>*
labels: memo(function () {
return p.label().rep().to(function (ls) {
return AST.Command.Path.Labels(ls);
});
}),
// <label> ::= '^' <anchor> <it> <alias>?
// <label> ::= '_' <anchor> <it> <alias>?
// <label> ::= '|' <anchor> <it> <alias>?
label: memo(function () {
return or(
seq('^', p.anchor, p.it, p.alias).to(function (aia) {
return AST.Command.Path.Label.Above(AST.Pos.Place(aia.head.head.tail), aia.head.tail, aia.tail);
}),
seq('_', p.anchor, p.it, p.alias).to(function (aia) {
return AST.Command.Path.Label.Below(AST.Pos.Place(aia.head.head.tail), aia.head.tail, aia.tail);
}),
seq('|', p.anchor, p.it, p.alias).to(function (aia) {
return AST.Command.Path.Label.At(AST.Pos.Place(aia.head.head.tail), aia.head.tail, aia.tail);
})
);
}),
// <anchor> ::= '-' <anchor> | <place>
anchor: memo(function () {
return or(
lit('-').andr(p.anchor).to(function (a) {
return AST.Place(1, 1, AST.Place.Factor(0.5), undefined).compound(a);
}),
p.place
);
}),
// <it> ::= ( '[' <shape> ']' )* <it2>
it: memo(function () {
return rep(lit('[').andr(p.shape).andl(flit(']')).to(function (s) {
return s;
})).and(p.it2).to(function (si) {
return AST.Object(si.head.concat(si.tail.modifiers), si.tail.object);
});
}),
// <it2> ::= <digit> | <letter>
// | '{' <text> '}'
// | '\' <letters>
// | '*' <object>
// | '@' <dir>
it2: memo(function () {
return or(
regexLit(/^[0-9a-zA-Z]/).to(function (c) {
return AST.Object(FP.List.empty, p.toMath("\\labelstyle " + c));
}),
regexLit(/^(\\[a-zA-Z][a-zA-Z0-9]*)/).to(function (c) {
return AST.Object(FP.List.empty, p.toMath("\\labelstyle " + c));
}),
lit("{").andr(p.text).andl(felem("}")).to(function (t) {
return AST.Object(FP.List.empty, p.toMath("\\labelstyle " + t));
}),
lit('*').andr(p.object),
lit('@').andr(p.dir).to(function (dir) {
return AST.Object(FP.List.empty, dir);
})
);
}),
// <alias> ::= '=' '"' <id> '"'
alias: memo(function () {
return seq('=', '"', p.id, '"').opt().to(function (optId) {
return optId.map(function (id) { return id.head.tail; });
});
}),
// <xymatrix> ::= <setup> '{' <rows> '}'
xymatrix: memo(function () {
return p.setup().andl(flit("{")).and(p.rows).andl(flit("}")).to(function (sr) {
return AST.Command.Xymatrix(sr.head, sr.tail);
})
}),
// <setup> ::= <switch>*
// <switch> ::= '"' <prefix> '"'
// | '@' <rcchar> <add op> <dimen>
// | '@' '!' <rcchar> '0'
// | '@' '!' <rcchar> '=' <dimen>
// | '@' '!' <rcchar>
// | '@' ( 'M' | 'W' | 'H' ) <add op> <dimen>
// | '@' '1'
// | '@' 'L' <add op> <dimen>
// | '@' <nonemptyDirection>
// | '@' '*' '[' <shape> ']'
// | '@' '*' <add op> <size>
// <rcchar> ::= 'R' | 'C' | <empty>
// <mwhlchar> ::= 'M' | 'W' | 'H' | 'L'
setup: memo(function () {
return rep(fun(or(
lit('"').andr(fun(regex(/^[^"]+/))).andl(felem('"')).to(function (p) {
return AST.Command.Xymatrix.Setup.Prefix(p);
}),
lit("@!").andr(fun(regex(/^[RC]/).opt().to(function (c) {
return c.getOrElse("");
}))).and(fun(
or(
elem("0").to(function() { return "0em"; }),
elem("=").andr(p.dimen)
)
)).to(function (cd) {
var dimen = cd.tail;
switch (cd.head) {
case "R": return AST.Command.Xymatrix.Setup.PretendEntrySize.Height(dimen);
case "C": return AST.Command.Xymatrix.Setup.PretendEntrySize.Width(dimen);
default: return AST.Command.Xymatrix.Setup.PretendEntrySize.HeightAndWidth(dimen);
}
}),
lit("@!").andr(fun(
or(
elem("R").to(function () { return AST.Command.Xymatrix.Setup.FixGrid.Row(); }),
elem("C").to(function () { return AST.Command.Xymatrix.Setup.FixGrid.Column(); })
).opt().to(function (rc) {
return rc.getOrElse(AST.Command.Xymatrix.Setup.FixGrid.RowAndColumn());
})
)),
lit("@").andr(fun(regex(/^[MWHL]/))).and(p.addOp).and(p.dimen).to(function (cod) {
var addop = cod.head.tail;
var dimen = cod.tail;
switch (cod.head.head) {
case "M": return AST.Command.Xymatrix.Setup.AdjustEntrySize.Margin(addop, dimen);
case "W": return AST.Command.Xymatrix.Setup.AdjustEntrySize.Width(addop, dimen);
case "H": return AST.Command.Xymatrix.Setup.AdjustEntrySize.Height(addop, dimen);
case "L": return AST.Command.Xymatrix.Setup.AdjustLabelSep(addop, dimen);
}
}),
lit("@").andr(p.nonemptyDirection).to(function (d) {
return AST.Command.Xymatrix.Setup.SetOrientation(d);
}),
lit("@*[").andr(p.shape).andl(flit("]")).to(function (s) {
return AST.Command.Xymatrix.Setup.AddModifier(s);
}),
lit("@*").andr(p.addOp).and(p.size).to(function (os) {
return AST.Command.Xymatrix.Setup.AddModifier(AST.Modifier.AddOp(os.head, os.tail));
}),
lit("@").andr(fun(regex(/^[RC]/).opt().to(function (c) {
return c.getOrElse("");
}))).and(p.addOp).and(p.dimen).to(function (cod) {
var addop = cod.head.tail;
var dimen = cod.tail;
switch (cod.head.head) {
case "R": return AST.Command.Xymatrix.Setup.ChangeSpacing.Row(addop, dimen);
case "C": return AST.Command.Xymatrix.Setup.ChangeSpacing.Column(addop, dimen);
default: return AST.Command.Xymatrix.Setup.ChangeSpacing.RowAndColumn(addop, dimen);
}
}),
lit("@1").to(function () {
return AST.Command.Xymatrix.Setup.AdjustEntrySize.Margin(AST.Modifier.AddOp.Set(), "1pc");
})
)));
}),
// <rows> ::= <row> ( '\\' <row> )*
rows: memo(function () {
return p.row().and(fun(rep(lit("\\\\").andr(p.row)))).to(function (rrs) {
var rows = rrs.tail.prepend(rrs.head);
if (!rows.isEmpty) {
var lastRow = rows.at(rows.length() - 1);
if (lastRow.entries.length() === 1 && lastRow.entries.at(0).isEmpty) {
rows = rows.reverse().tail.reverse();
}
}
return rows;
})
}),
// <row> ::= <entry> ( '&' <entry> )*
row: memo(function () {
return p.entry().and(fun(rep(lit("&").andr(p.entry)))).to(function (ees) {
return AST.Command.Xymatrix.Row(ees.tail.prepend(ees.head));
})
}),
// <entry> ::= '*' <object> <pos> <decor>
// | <entry modifier>* <loose objectbox> <decor>
entry: memo(function () {
return or(
lit("*").andr(p.object).and(p.pos).and(p.decor).to(function (opd) {
var obj = opd.head.head;
var pos = opd.head.tail;
var decor = opd.tail;
return AST.Command.Xymatrix.Entry.ObjectEntry(obj, pos, decor);
}),
p.entryModifier().rep().and(p.looseObjectbox).and(p.decor).to(function (mopd) {
var modifiers = mopd.head.head.foldLeft(FP.List.empty, function (tmpMs, ms) {
return ms.concat(tmpMs);
});
var isEmpty = mopd.head.tail.isEmpty;
var objbox = mopd.head.tail.object;
var decor = mopd.tail;
if (isEmpty && modifiers.isEmpty) {
return AST.Command.Xymatrix.Entry.EmptyEntry(decor);
}
return AST.Command.Xymatrix.Entry.SimpleEntry(modifiers, objbox, decor);
})
);
}),
// <entry modifier> ::= '**' '[' <shape> ']' | '**' '{' <modifier>* '}'
entryModifier: memo(function () {
return or(
lit("**").andr(flit("[")).andr(p.shape).andl(flit("]")).to(function (s) {
return FP.List.empty.append(s);
}),
lit("**").andr(flit("{")).andr(fun(rep(p.modifier))).andl(flit("}"))
);
}),
// <loose objectbox> ::= <objectbox>
// | /[^\\{}%&]+/* ( ( '\' not( '\' | <decor command names> ) ( '{' | '}' | '%' | '&' ) | '{' <text> '}' | /%[^\r\n]*(\r\n|\r|\n)?/ ) /[^\\{}%&]+/* )*
// <decor command names> ::= 'ar' | 'xymatrix' | 'PATH' | 'afterPATH'
// | 'save' | 'restore' | 'POS' | 'afterPOS' | 'drop' | 'connect' | 'xyignore'
looseObjectbox: memo(function () {
return or(
p.objectbox().to(function (o) { return {
isEmpty:false, object:o
} }),
regex(/^[^\\{}%&]+/).opt().to(function (rs) { return rs.getOrElse(""); }).and(fun(
rep(
or(
elem("{").andr(p.text).andl(felem("}")).to(function (t) { return "{" + t + "}"; }),
elem("\\").andr(fun(
not(regex(/^(\\|ar|xymatrix|PATH|afterPATH|save|restore|POS|afterPOS|drop|connect|xyignore|([lrud]+(twocell|uppertwocell|lowertwocell|compositemap))|xtwocell|xuppertwocell|xlowertwocell|xcompositemap)/))
)).andr(fun(
regex(/^[{}%&]/).opt().to(function (c) { return c.getOrElse(""); })
)).to(function (t) {
return "\\" + t;
}),
regex(/^%[^\r\n]*(\r\n|\r|\n)?/).to(function (x) {
return ' '; // ignore comments
})
).and(fun(
regex(/^[^\\{}%&]+/).opt().to(function (cs) { return cs.getOrElse(""); })
)).to(function (tt) {
return tt.head + tt.tail;
})
).to(function (cs) { return cs.mkString("") })
)).to(function (tt) {
var text = tt.head + tt.tail;
var isEmpty = (text.trim().length === 0);
var object = p.toMath("\\hbox{$\\objectstyle{" + text + "}$}");
return {
isEmpty:isEmpty, object:object
};
})
)
}),
// <command> ::= <twocell> <twocell switch>* <twocell arrow>
twocellCommand: memo(function () {
return p.twocell().and(fun(rep(p.twocellSwitch))).and(p.twocellArrow).to(function (tsa) {
return AST.Command.Twocell(tsa.head.head, tsa.head.tail, tsa.tail);
});
}),
// <twocell> ::= '\' /[lrud]+/ 'twocell'
// | '\' /[lrud]+/ 'uppertwocell'
// | '\' /[lrud]+/ 'lowertwocell'
// | '\' /[lrud]+/ 'compositemap'
// | '\xtwocell' '[' /[lrud]+/ ']' '{' <text> '}'
// | '\xuppertwocell' '[' /[lrud]+/ ']' '{' <text> '}'
// | '\xlowertwocell' '[' /[lrud]+/ ']' '{' <text> '}'
// | '\xcompositemap' '[' /[lrud]+/ ']' '{' <text> '}'
twocell: memo(function () {
return or(
regexLit(/^\\[lrud]+twocell/).to(function (h) {
var hops = h.substring(1, h.length - "twocell".length);
return AST.Command.Twocell.Twocell(hops, FP.Option.empty);
}),
regexLit(/^\\[lrud]+uppertwocell/).to(function (h) {
var hops = h.substring(1, h.length - "uppertwocell".length);
return AST.Command.Twocell.UpperTwocell(hops, FP.Option.empty);
}),
regexLit(/^\\[lrud]+lowertwocell/).to(function (h) {
var hops = h.substring(1, h.length - "lowertwocell".length);
return AST.Command.Twocell.LowerTwocell(hops, FP.Option.empty);
}),
regexLit(/^\\[lrud]+compositemap/).to(function (h) {
var hops = h.substring(1, h.length - "compositemap".length);
return AST.Command.Twocell.CompositeMap(hops, FP.Option.empty);
}),
or(
lit("\\xtwocell").to(function () { return AST.Command.Twocell.Twocell; }),
lit("\\xuppertwocell").to(function () { return AST.Command.Twocell.UpperTwocell; }),
lit("\\xlowertwocell").to(function () { return AST.Command.Twocell.LowerTwocell; }),
lit("\\xcompositemap").to(function () { return AST.Command.Twocell.CompositeMap; })
).andl(flit("[")).and(fun(regex(/^[lrud]+/))).andl(flit("]")).andl(flit("{")).and(p.text).andl(flit("}")).to(function (cht) {
var textObject = AST.Object(FP.List.empty, p.toMath("\\labelstyle " + cht.tail));
return cht.head.head(cht.head.tail, FP.Option.Some(textObject));
})
);
}),
// <twocell switch> ::= '^' <twocell label>
// | '_' <twocell label>
// | '\omit'
// | '~!'
// | '~' ( '`' | "'" ) '{' <object> '}'
// | '~' ( '' | '^' | '_' ) '{' <object> ( '~**' <object> )? '}'
// | <nudge>
twocellSwitch: memo(function () {
return or(
lit("^").andr(p.twocellLabel).to(function (l) {
return AST.Command.Twocell.Switch.UpperLabel(l);
}),
lit("_").andr(p.twocellLabel).to(function (l) {
return AST.Command.Twocell.Switch.LowerLabel(l);
}),
lit("\\omit").to(function () {
return AST.Command.Twocell.Switch.DoNotSetCurvedArrows();
}),
lit("~!").to(function () {
return AST.Command.Twocell.Switch.PlaceModMapObject();
}),
regexLit(/^(~[`'])/).andl(flit("{")).and(p.object).andl(flit("}")).to(function (wo) {
var what = wo.head.substring(1);
return AST.Command.Twocell.Switch.ChangeHeadTailObject(what, wo.tail);
}),
regexLit(/^(~[\^_]?)/).andl(flit("{")).and(p.object).and(fun(opt(lit("~**").andr(p.object)))).andl(flit("}")).to(function (wso) {
var what = wso.head.head.substring(1);
var spacer = wso.head.tail;
var maybeObject = wso.tail;
return AST.Command.Twocell.Switch.ChangeCurveObject(what, spacer, maybeObject);
}),
p.nudge().to(function (n) {
return AST.Command.Twocell.Switch.SetCurvature(n);
})
);
}),
// <twocell label> ::= <digit> | <letter> | <cs>
// | '{' <nudge>? '*' <object> '}'
// | '{' <nudge>? <text> '}'
twocellLabel: memo(function () {
return or(
regexLit(/^[0-9a-zA-Z]/).to(function (c) {
var obj = AST.Object(FP.List.empty, p.toMath("\\twocellstyle " + c));
return AST.Command.Twocell.Label(FP.Option.empty, obj);
}),
regexLit(/^(\\[a-zA-Z][a-zA-Z0-9]*)/).to(function (c) {
var obj = AST.Object(FP.List.empty, p.toMath("\\twocellstyle " + c));
return AST.Command.Twocell.Label(FP.Option.empty, obj);
}),
lit("{").andr(fun(opt(p.nudge))).andl(flit("*")).and(p.object).andl(flit("}")).to(function (no) {
return AST.Command.Twocell.Label(no.head, no.tail);
}),
lit("{").andr(fun(opt(p.nudge))).and(p.text).andl(felem("}")).to(function (nt) {
var obj = AST.Object(FP.List.empty, p.toMath("\\twocellstyle " + nt.tail));
return AST.Command.Twocell.Label(nt.head, obj);
})
);
}),
// <nudge> ::= '<' <factor> '>'
// | '<\omit>'
nudge: memo(function () {
return or(
lit("<\\omit>").to(function () {
return AST.Command.Twocell.Nudge.Omit();
}),
lit("<").andr(p.factor).andl(flit(">")).to(function (n) {
return AST.Command.Twocell.Nudge.Number(n);
})
);
}),
// <twocell arrow> ::= '{' <twocell tok> (<twocell label entry> '}'
// | '{' <nudge> <twocell label entry> '}'
// | '{' <twocell label entry> '}'
// | <empty>
// <twocell tok> ::= '^' | '_' | '='
// | '\omit'
// | '`' | "'" | '"' | '!'
twocellArrow: memo(function () {
return or(
lit("{").andr(fun(regexLit(/^([\^_=`'"!]|\\omit)/))).and(p.twocellLabelEntry).andl(flit("}")).to(function (te) {
return AST.Command.Twocell.Arrow.WithOrientation(te.head, te.tail);
}),
lit("{").andr(p.nudge).and(p.twocellLabelEntry).andl(flit("}")).to(function (te) {
return AST.Command.Twocell.Arrow.WithPosition(te.head, te.tail);
}),
lit("{").andr(p.twocellLabelEntry).andl(flit("}")).to(function (e) {
return AST.Command.Twocell.Arrow.WithOrientation('', e);
}),
success("no arrow label").to(function () {
// TODO 無駄な空描画処理をなくす。
return AST.Command.Twocell.Arrow.WithOrientation('', AST.Object(FP.List.empty, p.toMath("\\twocellstyle{}")));
})
);
}),
// <twocell label entry> ::= '*' <object>
// | <text>
twocellLabelEntry: memo(function () {
return or(
lit("*").andr(p.object),
p.text().to(function (t) {
return AST.Object(FP.List.empty, p.toMath("\\twocellstyle " + t));
})
);
}),
// \newdirの後の
// '{' <main> '}' '{' <composite_object> '}'
newdir: memo(function () {
return lit("{").andr(p.dirMain).andl(felem("}")).andl(flit("{")).and(p.compositeObject).andl(flit("}")).to(function (mc) {
return AST.Command.Newdir(mc.head, AST.ObjectBox.CompositeObject(mc.tail));
});
}),
// '\xyimport' '(' <factor> ',' <factor> ')' ( '(' <factor> ',' <factor> ')' )? '{' ( <include graphics> | <TeX command> ) '}'
xyimport: memo(function () {
return lit("\\xyimport").andr(flit("(")).andr(p.factor).andl(flit(",")).and(p.factor).andl(flit(")")).and(fun(
opt(lit("(").andr(p.factor).andl(flit(",")).and(p.factor).andl(flit(")")))
)).andl(flit("{")).and(fun(
or(
lit("\\includegraphics").andr(p.includegraphics),
p.text().to(function (t) { return p.toMath("\\hbox{$\\objectstyle{" + t + "}$}"); })
))).andl(flit("}")).to(function (whog) {
var w = whog.head.head.head;
var h = whog.head.head.tail;
var xOffset, yOffset;
if (whog.head.tail.isDefined) {
xOffset = whog.head.tail.get.head;
yOffset = whog.head.tail.get.tail;
} else {
xOffset = 0;
yOffset = 0;
}
var graphics = whog.tail;
if (graphics.isIncludegraphics !== undefined) {
return AST.Pos.Xyimport.Graphics(w, h, xOffset, yOffset, graphics);
} else {
return AST.Pos.Xyimport.TeXCommand(w, h, xOffset, yOffset, graphics);
}
});
}),
// \includegraphicsの後の
// '*'? '[' ( <includegraphics attr list> )? ']' '{' <file path> '}'
includegraphics: memo(function () {
return lit("[").andr(fun(opt(p.includegraphicsAttrList))).andl(flit("]")).andl(flit("{")).and(fun(regexLit(/^[^\s{}]+/))).andl(flit("}")).to(function (af) {
var attrList = af.head.getOrElse(FP.List.empty);
var file = af.tail;
return AST.Command.Includegraphics(false, attrList, file);
});
}),
// <includegraphics attr list> := <includegraphics attr key val> ( ',' <includegraphics attr key val> )*
includegraphicsAttrList: memo(function () {
return p.includegraphicsAttr().and(fun(rep(lit(",").andr(p.includegraphicsAttr)))).to(function (aas) {
return aas.tail.prepend(aas.head);
});
}),
// <includegraphics attr key val> := 'width' '=' <dimen>
// | 'height' '=' <dimen>
includegraphicsAttr: memo(function () {
return or(
lit("width").andr(flit("=")).andr(p.dimen).to(function (d) {
return AST.Command.Includegraphics.Attr.Width(d);
}),
lit("height").andr(flit("=")).andr(p.dimen).to(function (d) {
return AST.Command.Includegraphics.Attr.Height(d);
})
);
})
})();
MathJax.Hub.Insert(TEXDEF,{
environment: {
xy: ['XY', null]
}
});
xypic.ExecutionError = MathJax.Object.Subclass({
Init: function (message) {
this.message = message;
},
toMML: function () {
return MML.merror(MML.mtext(this.message));
},
texError: true,
xyjaxError: true
});
xypic.ParseError = MathJax.Object.Subclass({
Init: function (parseResult) {
this.parseResult = parseResult;
},
toMML: function () {
var pos = this.parseResult.next.pos();
var lineContents = pos.lineContents();
return MML.merror(MML.mtext('parse error at or near "' + lineContents + '"'));
/*
var col = pos.column();
var left = lineContents.substring(0, col-1);
var mid = lineContents.substring(col-1, col);
var right = lineContents.substring(col);
return MML.merror(MML.mtext('parse error at or near "'), MML.mtext(left).With({color:"black"}), MML.mtext(mid).With({color:"red"}), MML.mtext(right).With({color:"black"}), MML.mtext('"'));
*/
},
texError: true,
xyjaxError: true
});
TEX.Parse.Augment({
/*
* Handle XY environment
*/
XY: function(begin) {
try {
var parseContext = {
lastNoSuccess: undefined,
whiteSpaceRegex: xypic.constants.whiteSpaceRegex
};
var input = FP.StringReader(this.string, this.i, parseContext);
var result = FP.Parsers.parse(p.xy(), input);
this.i = result.next.offset;
} catch (e) {
throw e;
}
if (result.successful) {
if (supportGraphics) {
this.Push(AST.xypic(result.result));
} else {
this.Push(MML.merror(xypic.unsupportedBrowserErrorMessage));
}
} else {
throw xypic.ParseError(parseContext.lastNoSuccess);
}
return begin;
},
/**
* Handle xybox
*/
Xybox: function () {
try {
var parseContext = {
lastNoSuccess: undefined,
whiteSpaceRegex: xypic.constants.whiteSpaceRegex
};
var input = FP.StringReader(this.string, this.i, parseContext);
var result = FP.Parsers.parse(p.xybox(), input);
this.i = result.next.offset;
} catch (e) {
throw e;
}
if (result.successful) {
if (supportGraphics) {
this.Push(AST.xypic(result.result));
} else {
this.Push(MML.merror(xypic.unsupportedBrowserErrorMessage));
}
} else {
throw xypic.ParseError(parseContext.lastNoSuccess);
}
},
/**
* Handle xymatrix
*/
Xymatrix: function () {
try {
var parseContext = {
lastNoSuccess: undefined,
whiteSpaceRegex: xypic.constants.whiteSpaceRegex
};
var input = FP.StringReader(this.string, this.i, parseContext);
var result = FP.Parsers.parse(p.xymatrixbox(), input);
this.i = result.next.offset;
} catch (e) {
throw e;
}
if (result.successful) {
if (supportGraphics) {
this.Push(AST.xypic(result.result));
} else {
this.Push(MML.merror(xypic.unsupportedBrowserErrorMessage));
}
} else {
throw xypic.ParseError(parseContext.lastNoSuccess);
}
},
/**
* Handle newdir
*/
XypicNewdir: function () {
try {
var parseContext = {
lastNoSuccess: undefined,
whiteSpaceRegex: xypic.constants.whiteSpaceRegex
};
var input = FP.StringReader(this.string, this.i, parseContext);
var result = FP.Parsers.parse(p.newdir(), input);
this.i = result.next.offset;
} catch (e) {
throw e;
}
if (result.successful) {
if (supportGraphics) {
this.Push(AST.xypic.newdir(result.result));
} else {
this.Push(MML.merror(xypic.unsupportedBrowserErrorMessage));
}
} else {
throw xypic.ParseError(parseContext.lastNoSuccess);
}
},
/**
* Handle includegraphics
*/
Xyincludegraphics: function () {
try {
var parseContext = {
lastNoSuccess: undefined,
whiteSpaceRegex: xypic.constants.whiteSpaceRegex
};
var input = FP.StringReader(this.string, this.i, parseContext);
var result = FP.Parsers.parse(p.includegraphics(), input);
this.i = result.next.offset;
} catch (e) {
throw e;
}
if (result.successful) {
if (supportGraphics) {
this.Push(AST.xypic.includegraphics(result.result));
} else {
this.Push(MML.merror(xypic.unsupportedBrowserErrorMessage));
}
} else {
throw xypic.ParseError(parseContext.lastNoSuccess);
}
}
});
var supportGraphics = false;
MathJax.Hub.Browser.Select({
Firefox: function (browser) {
supportGraphics = true;
},
Safari: function (browser) {
supportGraphics = true;
},
Chrome: function (browser) {
supportGraphics = true;
},
Opera: function (browser) {
supportGraphics = true;
},
MSIE: function (browser) {
if (MathJax.Hub.Browser.versionAtLeast("9.0") && document.documentMode >= 9) {
supportGraphics = true;
}
}
});
MathJax.Hub.Startup.signal.Post("TeX Xy-pic Ready");
});
MathJax.Hub.Register.StartupHook("HTML-CSS Xy-pic Config Require",function () {
MathJax.Hub.Startup.signal.Post("HTML-CSS Xy-pic Config Ready");
});
MathJax.Hub.Register.StartupHook("SVG Xy-pic Config Require",function () {
MathJax.Hub.Startup.signal.Post("SVG Xy-pic Config Ready");
});
MathJax.Hub.Register.StartupHook("Device-Independent Xy-pic Require",function () {
var FP = MathJax.Extension.fp;
var MML = MathJax.ElementJax.mml;
var HUB = MathJax.Hub;
var xypic = MathJax.Extension.xypic;
var AST = xypic.AST;
var SVGNS = "http://www.w3.org/2000/svg";
var XHTMLNS = "http://www.w3.org/1999/xhtml";
var XLINKNS = "http://www.w3.org/1999/xlink";
// override MathJax.Hub.formatError function to display runtime error.
var hub_formatError = HUB.formatError;
HUB.formatError = function (script, err) {
if (err.xyjaxError !== undefined) {
var origMessage = HUB.config.errorSettings.message;
HUB.config.errorSettings.message = "[" + err.message + "]";
hub_formatError.apply(HUB, [script, err]);
HUB.config.errorSettings.message = origMessage;
} else {
throw err;
hub_formatError.apply(HUB, [script, err]);
}
}
var memoize = xypic.memoize;
AST.xypic.Augment({}, {
lengthResolution: 128,
interpolationResolution: 5,
machinePrecision: 1e-12
});
xypic.DirRepository = MathJax.Object.Subclass({
Init: function () {
this.userDirMap = {};
},
get: function (dirMain) {
return this.userDirMap[dirMain];
},
put: function (dirMain, compositeObject) {
this.userDirMap[dirMain] = compositeObject;
}
});
xypic.ModifierRepository = MathJax.Object.Subclass({
Init: function () {
this.userModifierMap = {};
},
get: function (shapeName) {
var modifier = xypic.ModifierRepository.embeddedModifierMap[shapeName];
if (modifier !== undefined) {
return modifier;
}
return this.userModifierMap[shapeName];
},
put: function (shapeName, modifier) {
if (xypic.ModifierRepository.embeddedModifierMap[shapeName] === undefined) {
this.userModifierMap[shapeName] = modifier;
}
}
}, {
embeddedModifierMap: {
"o":AST.Modifier.Shape.Circle(),
"l":AST.Modifier.Shape.L(),
"r":AST.Modifier.Shape.R(),
"u":AST.Modifier.Shape.U(),
"d":AST.Modifier.Shape.D(),
"c":AST.Modifier.Shape.C(),
"aliceblue":AST.Modifier.Shape.ChangeColor("aliceblue"),
"antiquewhite":AST.Modifier.Shape.ChangeColor("antiquewhite"),
"aqua":AST.Modifier.Shape.ChangeColor("aqua"),
"aquamarine":AST.Modifier.Shape.ChangeColor("aquamarine"),
"azure":AST.Modifier.Shape.ChangeColor("azure"),
"beige":AST.Modifier.Shape.ChangeColor("beige"),
"bisque":AST.Modifier.Shape.ChangeColor("bisque"),
"black":AST.Modifier.Shape.ChangeColor("black"),
"blanchedalmond":AST.Modifier.Shape.ChangeColor("blanchedalmond"),
"blue":AST.Modifier.Shape.ChangeColor("blue"),
"blueviolet":AST.Modifier.Shape.ChangeColor("blueviolet"),
"brown":AST.Modifier.Shape.ChangeColor("brown"),
"burlywood":AST.Modifier.Shape.ChangeColor("burlywood"),
"cadetblue":AST.Modifier.Shape.ChangeColor("cadetblue"),
"chartreuse":AST.Modifier.Shape.ChangeColor("chartreuse"),
"chocolate":AST.Modifier.Shape.ChangeColor("chocolate"),
"coral":AST.Modifier.Shape.ChangeColor("coral"),
"cornflowerblue":AST.Modifier.Shape.ChangeColor("cornflowerblue"),
"cornsilk":AST.Modifier.Shape.ChangeColor("cornsilk"),
"crimson":AST.Modifier.Shape.ChangeColor("crimson"),
"cyan":AST.Modifier.Shape.ChangeColor("cyan"),
"darkblue":AST.Modifier.Shape.ChangeColor("darkblue"),
"darkcyan":AST.Modifier.Shape.ChangeColor("darkcyan"),
"darkgoldenrod":AST.Modifier.Shape.ChangeColor("darkgoldenrod"),
"darkgray":AST.Modifier.Shape.ChangeColor("darkgray"),
"darkgreen":AST.Modifier.Shape.ChangeColor("darkgreen"),
"darkgrey":AST.Modifier.Shape.ChangeColor("darkgrey"),
"darkkhaki":AST.Modifier.Shape.ChangeColor("darkkhaki"),
"darkmagenta":AST.Modifier.Shape.ChangeColor("darkmagenta"),
"darkolivegreen":AST.Modifier.Shape.ChangeColor("darkolivegreen"),
"darkorange":AST.Modifier.Shape.ChangeColor("darkorange"),
"darkorchid":AST.Modifier.Shape.ChangeColor("darkorchid"),
"darkred":AST.Modifier.Shape.ChangeColor("darkred"),
"darksalmon":AST.Modifier.Shape.ChangeColor("darksalmon"),
"darkseagreen":AST.Modifier.Shape.ChangeColor("darkseagreen"),
"darkslateblue":AST.Modifier.Shape.ChangeColor("darkslateblue"),
"darkslategray":AST.Modifier.Shape.ChangeColor("darkslategray"),
"darkslategrey":AST.Modifier.Shape.ChangeColor("darkslategrey"),
"darkturquoise":AST.Modifier.Shape.ChangeColor("darkturquoise"),
"darkviolet":AST.Modifier.Shape.ChangeColor("darkviolet"),
"deeppink":AST.Modifier.Shape.ChangeColor("deeppink"),
"deepskyblue":AST.Modifier.Shape.ChangeColor("deepskyblue"),
"dimgray":AST.Modifier.Shape.ChangeColor("dimgray"),
"dimgrey":AST.Modifier.Shape.ChangeColor("dimgrey"),
"dodgerblue":AST.Modifier.Shape.ChangeColor("dodgerblue"),
"firebrick":AST.Modifier.Shape.ChangeColor("firebrick"),
"floralwhite":AST.Modifier.Shape.ChangeColor("floralwhite"),
"forestgreen":AST.Modifier.Shape.ChangeColor("forestgreen"),
"fuchsia":AST.Modifier.Shape.ChangeColor("fuchsia"),
"gainsboro":AST.Modifier.Shape.ChangeColor("gainsboro"),
"ghostwhite":AST.Modifier.Shape.ChangeColor("ghostwhite"),
"gold":AST.Modifier.Shape.ChangeColor("gold"),
"goldenrod":AST.Modifier.Shape.ChangeColor("goldenrod"),
"gray":AST.Modifier.Shape.ChangeColor("gray"),
"grey":AST.Modifier.Shape.ChangeColor("grey"),
"green":AST.Modifier.Shape.ChangeColor("green"),
"greenyellow":AST.Modifier.Shape.ChangeColor("greenyellow"),
"honeydew":AST.Modifier.Shape.ChangeColor("honeydew"),
"hotpink":AST.Modifier.Shape.ChangeColor("hotpink"),
"indianred":AST.Modifier.Shape.ChangeColor("indianred"),
"indigo":AST.Modifier.Shape.ChangeColor("indigo"),
"ivory":AST.Modifier.Shape.ChangeColor("ivory"),
"khaki":AST.Modifier.Shape.ChangeColor("khaki"),
"lavender":AST.Modifier.Shape.ChangeColor("lavender"),
"lavenderblush":AST.Modifier.Shape.ChangeColor("lavenderblush"),
"lawngreen":AST.Modifier.Shape.ChangeColor("lawngreen"),
"lemonchiffon":AST.Modifier.Shape.ChangeColor("lemonchiffon"),
"lightblue":AST.Modifier.Shape.ChangeColor("lightblue"),
"lightcoral":AST.Modifier.Shape.ChangeColor("lightcoral"),
"lightcyan":AST.Modifier.Shape.ChangeColor("lightcyan"),
"lightgoldenrodyellow":AST.Modifier.Shape.ChangeColor("lightgoldenrodyellow"),
"lightgray":AST.Modifier.Shape.ChangeColor("lightgray"),
"lightgreen":AST.Modifier.Shape.ChangeColor("lightgreen"),
"lightgrey":AST.Modifier.Shape.ChangeColor("lightgrey"),
"lightpink":AST.Modifier.Shape.ChangeColor("lightpink"),
"lightsalmon":AST.Modifier.Shape.ChangeColor("lightsalmon"),
"lightseagreen":AST.Modifier.Shape.ChangeColor("lightseagreen"),
"lightskyblue":AST.Modifier.Shape.ChangeColor("lightskyblue"),
"lightslategray":AST.Modifier.Shape.ChangeColor("lightslategray"),
"lightslategrey":AST.Modifier.Shape.ChangeColor("lightslategrey"),
"lightsteelblue":AST.Modifier.Shape.ChangeColor("lightsteelblue"),
"lightyellow":AST.Modifier.Shape.ChangeColor("lightyellow"),
"lime":AST.Modifier.Shape.ChangeColor("lime"),
"limegreen":AST.Modifier.Shape.ChangeColor("limegreen"),
"linen":AST.Modifier.Shape.ChangeColor("linen"),
"magenta":AST.Modifier.Shape.ChangeColor("magenta"),
"maroon":AST.Modifier.Shape.ChangeColor("maroon"),
"mediumaquamarine":AST.Modifier.Shape.ChangeColor("mediumaquamarine"),
"mediumblue":AST.Modifier.Shape.ChangeColor("mediumblue"),
"mediumorchid":AST.Modifier.Shape.ChangeColor("mediumorchid"),
"mediumpurple":AST.Modifier.Shape.ChangeColor("mediumpurple"),
"mediumseagreen":AST.Modifier.Shape.ChangeColor("mediumseagreen"),
"mediumslateblue":AST.Modifier.Shape.ChangeColor("mediumslateblue"),
"mediumspringgreen":AST.Modifier.Shape.ChangeColor("mediumspringgreen"),
"mediumturquoise":AST.Modifier.Shape.ChangeColor("mediumturquoise"),
"mediumvioletred":AST.Modifier.Shape.ChangeColor("mediumvioletred"),
"midnightblue":AST.Modifier.Shape.ChangeColor("midnightblue"),
"mintcream":AST.Modifier.Shape.ChangeColor("mintcream"),
"mistyrose":AST.Modifier.Shape.ChangeColor("mistyrose"),
"moccasin":AST.Modifier.Shape.ChangeColor("moccasin"),
"navajowhite":AST.Modifier.Shape.ChangeColor("navajowhite"),
"navy":AST.Modifier.Shape.ChangeColor("navy"),
"oldlace":AST.Modifier.Shape.ChangeColor("oldlace"),
"olive":AST.Modifier.Shape.ChangeColor("olive"),
"olivedrab":AST.Modifier.Shape.ChangeColor("olivedrab"),
"orange":AST.Modifier.Shape.ChangeColor("orange"),
"orangered":AST.Modifier.Shape.ChangeColor("orangered"),
"orchid":AST.Modifier.Shape.ChangeColor("orchid"),
"palegoldenrod":AST.Modifier.Shape.ChangeColor("palegoldenrod"),
"palegreen":AST.Modifier.Shape.ChangeColor("palegreen"),
"paleturquoise":AST.Modifier.Shape.ChangeColor("paleturquoise"),
"palevioletred":AST.Modifier.Shape.ChangeColor("palevioletred"),
"papayawhip":AST.Modifier.Shape.ChangeColor("papayawhip"),
"peachpuff":AST.Modifier.Shape.ChangeColor("peachpuff"),
"peru":AST.Modifier.Shape.ChangeColor("peru"),
"pink":AST.Modifier.Shape.ChangeColor("pink"),
"plum":AST.Modifier.Shape.ChangeColor("plum"),
"powderblue":AST.Modifier.Shape.ChangeColor("powderblue"),
"purple":AST.Modifier.Shape.ChangeColor("purple"),
"red":AST.Modifier.Shape.ChangeColor("red"),
"rosybrown":AST.Modifier.Shape.ChangeColor("rosybrown"),
"royalblue":AST.Modifier.Shape.ChangeColor("royalblue"),
"saddlebrown":AST.Modifier.Shape.ChangeColor("saddlebrown"),
"salmon":AST.Modifier.Shape.ChangeColor("salmon"),
"sandybrown":AST.Modifier.Shape.ChangeColor("sandybrown"),
"seagreen":AST.Modifier.Shape.ChangeColor("seagreen"),
"seashell":AST.Modifier.Shape.ChangeColor("seashell"),
"sienna":AST.Modifier.Shape.ChangeColor("sienna"),
"silver":AST.Modifier.Shape.ChangeColor("silver"),
"skyblue":AST.Modifier.Shape.ChangeColor("skyblue"),
"slateblue":AST.Modifier.Shape.ChangeColor("slateblue"),
"slategray":AST.Modifier.Shape.ChangeColor("slategray"),
"slategrey":AST.Modifier.Shape.ChangeColor("slategrey"),
"snow":AST.Modifier.Shape.ChangeColor("snow"),
"springgreen":AST.Modifier.Shape.ChangeColor("springgreen"),
"steelblue":AST.Modifier.Shape.ChangeColor("steelblue"),
"tan":AST.Modifier.Shape.ChangeColor("tan"),
"teal":AST.Modifier.Shape.ChangeColor("teal"),
"thistle":AST.Modifier.Shape.ChangeColor("thistle"),
"tomato":AST.Modifier.Shape.ChangeColor("tomato"),
"turquoise":AST.Modifier.Shape.ChangeColor("turquoise"),
"violet":AST.Modifier.Shape.ChangeColor("violet"),
"wheat":AST.Modifier.Shape.ChangeColor("wheat"),
"white":AST.Modifier.Shape.ChangeColor("white"),
"whitesmoke":AST.Modifier.Shape.ChangeColor("whitesmoke"),
"yellow":AST.Modifier.Shape.ChangeColor("yellow"),
"yellowgreen":AST.Modifier.Shape.ChangeColor("yellowgreen")
}
});
// user defined shapes are global in scope.
xypic.repositories = MathJax.Object.Subclass({});
xypic.repositories.modifierRepository = xypic.ModifierRepository();
xypic.repositories.dirRepository = xypic.DirRepository();
xypic.Graphics = MathJax.Object.Subclass({}, {
createElement: function (type) {
// if (document.createElementNS !== undefined) {
return document.createElementNS(SVGNS, type);
// } else {
// return document.createElement(type);
// }
}
});
xypic.Graphics.SVG = xypic.Graphics.Subclass({
createGroup: function (transform) {
return xypic.Graphics.SVG.Group(this, transform);
},
createChangeColorGroup: function (color) {
return xypic.Graphics.SVG.ChangeColorGroup(this, color);
},
createSVGElement: function (type, def) {
var obj = xypic.Graphics.createElement(type);
if (def) {
for (var id in def) {
if (def.hasOwnProperty(id)) {
if (id === "xlink:href") {
obj.setAttributeNS(XLINKNS, id, def[id].toString());
} else {
obj.setAttribute(id, def[id].toString());
}
}
}
}
this.drawArea.appendChild(obj);
return obj;
},
appendChild: function (svgElement) {
this.drawArea.appendChild(svgElement);
return svgElement;
},
transformBuilder: function () {
return xypic.Graphics.SVG.Transform();
}
});
xypic.Graphics.SVG.World = xypic.Graphics.SVG.Subclass({
Init: function (height, depth, width, strokeWidth, color, def) {
var svg = xypic.Graphics.createElement("svg");
svg.setAttribute("xmlns", SVGNS);
svg.setAttribute("version", "1.1");
if (def) {
for (var id in def) {
if (def.hasOwnProperty(id)) {
svg.setAttribute(id, def[id].toString());
}
}
}
if (svg.style) {
svg.style.width = xypic.Em(width);
svg.style.height = xypic.Em(height + depth);
}
var def = {
fill:"none", stroke:color, "stroke-linecap":"round",
"stroke-width":xypic.em2px(strokeWidth)
};
this.drawArea = xypic.Graphics.createElement("g");
for (var id in def) {
if (def.hasOwnProperty(id)) {
this.drawArea.setAttribute(id, def[id].toString());
}
}
svg.appendChild(this.drawArea);
this.svg = svg;
this.boundingBox = undefined;
this.color = color;
},
setHeight: function (height) {
this.svg.style.height = xypic.Em(height);
},
setWidth: function (height) {
this.svg.style.width = xypic.Em(height);
},
setAttribute: function (name, value) {
this.svg.setAttribute(name, value.toString());
},
extendBoundingBox: function (boundingBox) {
this.boundingBox = xypic.Frame.combineRect(this.boundingBox, boundingBox);
},
getOrigin: function () {
return { x:0, y:0 };
},
getCurrentColor: function () {
return this.color;
}
});
xypic.Graphics.SVG.Transform = MathJax.Object.Subclass({
Init: function (transform) {
this.transform = transform || FP.List.empty;
},
translate: function (x, y) {
return xypic.Graphics.SVG.Transform(
this.transform.append(xypic.Graphics.SVG.Transform.Translate(x, y))
);
},
rotateDegree: function (degree) {
return xypic.Graphics.SVG.Transform(
this.transform.append(xypic.Graphics.SVG.Transform.Rotate(degree / 180 * Math.PI))
);
},
rotateRadian: function (radian) {
return xypic.Graphics.SVG.Transform(
this.transform.append(xypic.Graphics.SVG.Transform.Rotate(radian))
);
},
toString: function () {
var form = "";
this.transform.foreach(function (tr) { form += tr.toTranslateForm() });
return form;
},
apply: function (x, y) {
var o = { x:x, y:y };
this.transform.foreach(function (tr) { o = tr.apply(o.x, o.y) });
return o;
}
});
xypic.Graphics.SVG.Transform.Translate = MathJax.Object.Subclass({
Init: function (dx, dy) {
this.dx = dx;
this.dy = dy;
},
apply: function (x, y) {
return { x:x - this.dx, y:y + this.dy };
},
toTranslateForm: function () {
return "translate(" + xypic.em2px(this.dx) + "," + xypic.em2px(-this.dy) + ") ";
}
});
xypic.Graphics.SVG.Transform.Rotate = MathJax.Object.Subclass({
Init: function (radian) {
this.radian = radian;
},
apply: function (x, y) {
var c = Math.cos(this.radian);
var s = Math.sin(this.radian);
return { x:c * x + s * y, y:-s * x + c * y };
},
toTranslateForm: function () {
return "rotate(" + (-180 * this.radian / Math.PI) + ") ";
}
});
xypic.Graphics.SVG.Group = xypic.Graphics.SVG.Subclass({
Init: function (parent, transform) {
this.parent = parent;
this.drawArea = parent.createSVGElement("g",
transform === undefined? {} : { transform: transform.toString() });
var parentOrigin = parent.getOrigin();
if (transform === undefined) {
this.origin = parentOrigin;
} else {
this.origin = transform.apply(parentOrigin.x, parentOrigin.y);
}
memoize(this, "getCurrentColor");
},
remove: function () {
this.drawArea.parentNode.removeChild(this.drawArea);
},
extendBoundingBox: function (boundingBox) {
this.parent.extendBoundingBox(boundingBox);
},
getOrigin: function () {
return this.origin;
},
getCurrentColor: function () {
return this.parent.getCurrentColor();
}
});
xypic.Graphics.SVG.ChangeColorGroup = xypic.Graphics.SVG.Subclass({
Init: function (parent, color) {
this.parent = parent;
this.drawArea = parent.createSVGElement("g", {
stroke: color
});
this.color = color;
memoize(this, "getOrigin");
},
remove: function () {
this.drawArea.parentNode.removeChild(this.drawArea);
},
extendBoundingBox: function (boundingBox) {
this.parent.extendBoundingBox(boundingBox);
},
getOrigin: function () {
return this.parent.getOrigin();
},
getCurrentColor: function () {
return this.color;
}
});
xypic.Graphics.Augment({}, {
createSVG: function (height, depth, width, strokeWidth, color, def) {
return xypic.Graphics.SVG.World(height, depth, width, strokeWidth, color, def);
}
});
xypic.DrawingContext = MathJax.Object.Subclass({
Init: function (shape, env) {
this.shape = shape;
this.env = env;
},
duplicateEnv: function () {
var newEnv = this.env.duplicate();
return xypic.DrawingContext(this.shape, newEnv);
},
/**
* shapeを最前面に追加する。
* @param {xypic.Shape} shape 追加する図形
*/
appendShapeToFront: function (shape) {
if (shape.isNone) {
} else if (this.shape.isNone) {
this.shape = shape;
} else {
this.shape = xypic.Shape.CompositeShape(shape, this.shape);
}
},
/**
* shapeを最背面に追加する。
* @param {xypic.Shape} shape 追加する図形
*/
appendShapeToBack: function (shape) {
if (shape.isNone) {
} else if (this.shape.isNone) {
this.shape = shape;
} else {
this.shape = xypic.Shape.CompositeShape(this.shape, shape);
}
}
});
xypic.Util = MathJax.Object.Subclass({}, {
extProd: function (v1, v2) {
return [v1[1]*v2[2]-v1[2]*v2[1], v1[2]*v2[0]-v1[0]*v2[2], v1[0]*v2[1]-v1[1]*v2[0]];
},
sign: function (x) {
return (x < 0? -1 : (x > 0? 1 : 0));
},
sign2: function (x) {
return (x < 0? -1 : 1);
},
roundEpsilon: function (x) {
if (Math.abs(x) < AST.xypic.machinePrecision) {
return 0;
} else {
return x;
}
}
});
HUB.Browser.Select({
MSIE: function (browser) {
if (HUB.Browser.versionAtLeast("9.0") && document.documentMode >= 9) {
xypic.useSVG = true;
}
},
Firefox: function (browser) {
xypic.useSVG = true;
},
Safari: function (browser) {
xypic.useSVG = true;
},
Chrome: function (browser) {
xypic.useSVG = true;
},
Opera: function (browser) {
xypic.useSVG = true;
}
});
xypic.Frame = MathJax.Object.Subclass({
toRect: function (def) {
return xypic.Frame.Rect(this.x, this.y, def);
},
toPoint: function () {
return xypic.Frame.Point(this.x, this.y);
},
combineRect: function (that) {
return xypic.Frame.combineRect(this, that);
}
},{
combineRect: function (frame1, frame2) {
if (frame1 === undefined) {
return frame2;
} else if (frame2 === undefined) {
return frame1;
} else {
var l = -(Math.min(frame1.x-frame1.l, frame2.x-frame2.l) - frame1.x);
var r = Math.max(frame1.x+frame1.r, frame2.x+frame2.r) - frame1.x;
var d = -(Math.min(frame1.y-frame1.d, frame2.y-frame2.d) - frame1.y);
var u = Math.max(frame1.y+frame1.u, frame2.y+frame2.u) - frame1.y;
return frame1.toRect({l:l, r:r, d:d, u:u});
}
}
});
xypic.Frame.Point = xypic.Frame.Subclass({
Init: function (x, y) {
this.x = x;
this.y = y;
},
l: 0,
r: 0,
u: 0,
d: 0,
isPoint: function () { return true; },
isRect: function () { return false; },
isCircle: function () { return false; },
edgePoint: function (x, y) { return this; },
proportionalEdgePoint: function (x, y) { return this; },
grow: function (xMargin, yMargin) {
var xm = Math.max(0, xMargin);
var ym = Math.max(0, yMargin);
return this.toRect({l:xm, r:xm, u:ym, d:ym});
},
toSize: function (width, height) {
return this.toRect({ l:width / 2, r:width / 2, u:height / 2, d:height / 2 });
},
growTo: function (width, height) {
var w = Math.max(0, width);
var h = Math.max(0, height);
return this.toRect({ l:w / 2, r:w / 2, u:h / 2, d:h / 2 });
},
shrinkTo: function (width, height) {
return this;
},
move: function (x, y) {
return xypic.Frame.Point(x, y);
},
shiftFrame: function (dx, dy) {
return this;
},
rotate: function (angle) {
return this;
},
contains: function (point) {
return false;
},
toString: function () {
return "{x:"+this.x+", y:"+this.y+"}";
}
});
xypic.Frame.Rect = xypic.Frame.Subclass({
Init: function (x, y, def) {
this.x = x;
this.y = y;
this.l = (def.l || 0);
this.r = (def.r || 0);
this.u = (def.u || 0);
this.d = (def.d || 0);
},
isPoint: function () {
return this.l === 0 && this.r === 0 && this.u === 0 && this.d === 0;
},
isRect: function () { return !this.isPoint(); },
isCircle: function () { return false; },
edgePoint: function (x, y) {
if (this.isPoint()) {
return this;
}
var dx = x - this.x;
var dy = y - this.y;
if (dx > 0) {
var ey = dy * this.r / dx;
if (ey > this.u) {
return xypic.Frame.Point(this.x + this.u * dx / dy, this.y + this.u);
} else if (ey < -this.d) {
return xypic.Frame.Point(this.x - this.d * dx / dy, this.y - this.d);
}
return xypic.Frame.Point(this.x + this.r, this.y + ey);
} else if (dx < 0) {
var ey = -dy * this.l / dx;
if (ey > this.u) {
return xypic.Frame.Point(this.x + this.u * dx / dy, this.y + this.u);
} else if (ey < -this.d) {
return xypic.Frame.Point(this.x - this.d * dx / dy, this.y - this.d);
}
return xypic.Frame.Point(this.x - this.l, this.y + ey);
} else {
if (dy > 0) {
return xypic.Frame.Point(this.x, this.y + this.u);
}
return xypic.Frame.Point(this.x, this.y - this.d);
}
},
proportionalEdgePoint: function (x, y) {
if (this.isPoint()) {
return this;
}
var dx = x - this.x;
var dy = y - this.y;
if (Math.abs(dx) < AST.xypic.machinePrecision && Math.abs(dy) < AST.xypic.machinePrecision) {
return xypic.Frame.Point(this.x - this.l, this.y + this.u);
}
var w = this.l + this.r, h = this.u + this.d;
var pi = Math.PI;
var angle = Math.atan2(dy, dx);
var f;
if (-3*pi/4 < angle && angle <= -pi/4) {
// d
f = (angle + 3*pi/4)/(pi/2);
return xypic.Frame.Point(this.x + this.r - f * w, this.y + this.u);
} else if (-pi/4 < angle && angle <= pi/4) {
// r
f = (angle + pi/4)/(pi/2);
return xypic.Frame.Point(this.x - this.l, this.y + this.u - f * h);
} else if (pi/4 < angle && angle <= 3*pi/4) {
// u
f = (angle - pi/4)/(pi/2);
return xypic.Frame.Point(this.x - this.l + f * w, this.y - this.d);
} else {
// l
f = (angle - (angle > 0? 3*pi/4 : -5*pi/4))/(pi/2);
return xypic.Frame.Point(this.x + this.r, this.y - this.d + f * h);
}
},
grow: function (xMargin, yMargin) {
return this.toRect({
l:Math.max(0, this.l + xMargin),
r:Math.max(0, this.r + xMargin),
u:Math.max(0, this.u + yMargin),
d:Math.max(0, this.d + yMargin)
});
},
toSize: function (width, height) {
var u, d, r, l;
var ow = this.l + this.r;
var oh = this.u + this.d;
if (ow === 0) {
l = width / 2;
r = width / 2;
} else {
l = width * this.l / ow;
r = width * this.r / ow;
}
if (oh === 0) {
u = height / 2;
d = height / 2;
} else {
u = height * this.u / oh;
d = height * this.d / oh;
}
return this.toRect({ l:l, r:r, u:u, d:d });
},
growTo: function (width, height) {
var u = this.u;
var d = this.d;
var r = this.r;
var l = this.l;
var ow = l + r;
var oh = u + d;
if (width > ow) {
if (ow === 0) {
l = width / 2;
r = width / 2;
} else {
l = width * this.l / ow;
r = width * this.r / ow;
}
}
if (height > oh) {
if (oh === 0) {
u = height / 2;
d = height / 2;
} else {
u = height * this.u / oh;
d = height * this.d / oh;
}
}
return this.toRect({ l:l, r:r, u:u, d:d });
},
shrinkTo: function (width, height) {
var u = this.u;
var d = this.d;
var r = this.r;
var l = this.l;
var ow = l + r;
var oh = u + d;
if (width < ow) {
if (ow === 0) {
l = width / 2;
r = width / 2;
} else {
l = width * this.l / ow;
r = width * this.r / ow;
}
}
if (height < oh) {
if (oh === 0) {
u = height / 2;
d = height / 2;
} else {
u = height * this.u / oh;
d = height * this.d / oh;
}
}
return this.toRect({ l:l, r:r, u:u, d:d });
},
move: function (x, y) {
return xypic.Frame.Rect(x, y, { l:this.l, r:this.r, u:this.u, d:this.d });
},
shiftFrame: function (dx, dy) {
return xypic.Frame.Rect(this.x, this.y, {
l:Math.max(0, this.l - dx),
r:Math.max(0, this.r + dx),
u:Math.max(0, this.u + dy),
d:Math.max(0, this.d - dy)
});
},
rotate: function (angle) {
var c = Math.cos(angle), s = Math.sin(angle);
var lx = -this.l, rx = this.r, uy = this.u, dy = -this.d;
var lu = {x:lx*c-uy*s, y:lx*s+uy*c};
var ld = {x:lx*c-dy*s, y:lx*s+dy*c};
var ru = {x:rx*c-uy*s, y:rx*s+uy*c};
var rd = {x:rx*c-dy*s, y:rx*s+dy*c};
return this.toRect({
l:-Math.min(lu.x, ld.x, ru.x, rd.x),
r:Math.max(lu.x, ld.x, ru.x, rd.x),
u:Math.max(lu.y, ld.y, ru.y, rd.y),
d:-Math.min(lu.y, ld.y, ru.y, rd.y)
});
},
contains: function (point) {
var x = point.x;
var y = point.y;
return (x >= this.x - this.l) && (x <= this.x + this.r) && (y >= this.y - this.d) && (y <= this.y + this.u);
},
toString: function () {
return "{x:"+this.x+", y:"+this.y+", l:"+this.l+", r:"+this.r+", u:"+this.u+", d:"+this.d+"}";
}
});
xypic.Frame.Ellipse = xypic.Frame.Subclass({
Init: function (x, y, l, r, u, d) {
this.x = x;
this.y = y;
this.l = l;
this.r = r;
this.u = u;
this.d = d;
},
isPoint: function () { return this.r === 0 && this.l ===0 || this.u === 0 && this.d ===0; },
isRect: function () { return false; },
isCircle: function () { return !this.isPoint(); },
isPerfectCircle: function () {
return this.l === this.r && this.l === this.u && this.l === this.d;
},
edgePoint: function (x, y) {
if (this.isPoint()) {
return this;
}
if (this.isPerfectCircle()) {
var dx = x - this.x;
var dy = y - this.y;
var angle;
if (Math.abs(dx) < AST.xypic.machinePrecision && Math.abs(dy) < AST.xypic.machinePrecision) {
angle = -Math.PI/2;
} else {
angle = Math.atan2(dy, dx);
}
return xypic.Frame.Point(this.x + this.r * Math.cos(angle), this.y + this.r * Math.sin(angle));
} else {
// ellipse
var pi = Math.PI;
var l = this.l;
var r = this.r;
var u = this.u;
var d = this.d;
var x0 = this.x;
var y0 = this.y;
var cx = x0 + (r - l) / 2;
var cy = y0 + (u - d) / 2;
var rx = (l + r) / 2;
var ry = (u + d) / 2;
var dx = x - x0;
var dy = y - y0;
var a0 = dy;
var b0 = -dx;
var c0 = dx * y0 - dy * x0;
var a = a0 * rx;
var b = b0 * ry;
var c = c0 * rx + (rx - ry) * b0 * cy;
var aabb = a * a + b * b;
var d = a * cx + b * cy + c;
var e = -d / aabb;
var ff = aabb * rx * rx - d * d;
if (ff < 0) {
return xypic.Frame.Point(this.x, this.y - this.d);
}
var f = Math.sqrt(ff) / aabb;
var xp = a * e + b * f + cx;
var yp = b * e - a * f + cy;
var xm = a * e - b * f + cx;
var ym = b * e + a * f + cy;
var eps = ry / rx;
var xp0 = xp;
var yp0 = eps * (yp - cy) + cy;
var xm0 = xm;
var ym0 = eps * (ym - cy) + cy;
var sign = xypic.Util.sign;
if (sign(xp0 - cx) === sign(x - cx) && sign(yp0 - cy) === sign(y - cy)) {
return xypic.Frame.Point(xp0, yp0);
} else {
return xypic.Frame.Point(xm0, ym0);
}
}
},
proportionalEdgePoint: function (x, y) {
if (this.isPoint()) {
return this;
}
if (this.isPerfectCircle()) {
var dx = x - this.x;
var dy = y - this.y;
var angle;
if (Math.abs(dx) < AST.xypic.machinePrecision && Math.abs(dy) < AST.xypic.machinePrecision) {
angle = -Math.PI/2;
} else {
angle = Math.atan2(dy, dx);
}
return xypic.Frame.Point(this.x - this.r * Math.cos(angle), this.y - this.r * Math.sin(angle));
} else {
// ellipse
var pi = Math.PI;
var l = this.l;
var r = this.r;
var u = this.u;
var d = this.d;
var x0 = this.x;
var y0 = this.y;
var cx = x0 + (r - l) / 2;
var cy = y0 + (u - d) / 2;
var rx = (l + r) / 2;
var ry = (u + d) / 2;
var dx = x - x0;
var dy = y - y0;
var a0 = dy;
var b0 = -dx;
var c0 = dx * y0 - dy * x0;
var a = a0 * rx;
var b = b0 * ry;
var c = c0 * rx + (rx - ry) * b0 * cy;
var aabb = a * a + b * b;
var d = a * cx + b * cy + c;
var e = -d / aabb;
var ff = aabb * rx * rx - d * d;
if (ff < 0) {
return xypic.Frame.Point(this.x, this.y - this.d);
}
var f = Math.sqrt(ff) / aabb;
var xp = a * e + b * f + cx;
var yp = b * e - a * f + cy;
var xm = a * e - b * f + cx;
var ym = b * e + a * f + cy;
var eps = ry / rx;
var xp0 = xp;
var yp0 = eps * (yp - cy) + cy;
var xm0 = xm;
var ym0 = eps * (ym - cy) + cy;
var dxp = xp0 - x;
var dyp = yp0 - y;
var dxm = xm0 - x;
var dym = ym0 - y;
if (sign(xp0 - cx) === sign(x - cx) && sign(yp0 - cy) === sign(y - cy)) {
return xypic.Frame.Point(xm0, ym0);
} else {
return xypic.Frame.Point(xp0, yp0);
}
}
},
grow: function (xMargin, yMargin) {
return xypic.Frame.Ellipse(
this.x, this.y,
Math.max(0, this.l + xMargin),
Math.max(0, this.r + xMargin),
Math.max(0, this.u + yMargin),
Math.max(0, this.d + yMargin));
},
toSize: function (width, height) {
var u, d, r, l;
var ow = this.l + this.r;
var oh = this.u + this.d;
if (ow === 0) {
l = width / 2;
r = width / 2;
} else {
l = width * this.l / ow;
r = width * this.r / ow;
}
if (oh === 0) {
u = height / 2;
d = height / 2;
} else {
u = height * this.u / oh;
d = height * this.d / oh;
}
return xypic.Frame.Ellipse(this.x, this.y, l, r, u, d);
},
growTo: function (width, height) {
var u = this.u;
var d = this.d;
var r = this.r;
var l = this.l;
var ow = l + r;
var oh = u + d;
if (width > ow) {
if (ow === 0) {
l = width / 2;
r = width / 2;
} else {
l = width * this.l / ow;
r = width * this.r / ow;
}
}
if (height > oh) {
if (oh === 0) {
u = height / 2;
d = height / 2;
} else {
u = height * this.u / oh;
d = height * this.d / oh;
}
}
return xypic.Frame.Ellipse(this.x, this.y, l, r, u, d);
},
shrinkTo: function (width, height) {
var u = this.u;
var d = this.d;
var r = this.r;
var l = this.l;
var ow = l + r;
var oh = u + d;
if (width < ow) {
if (ow === 0) {
l = width / 2;
r = width / 2;
} else {
l = width * this.l / ow;
r = width * this.r / ow;
}
}
if (height < oh) {
if (oh === 0) {
u = height / 2;
d = height / 2;
} else {
u = height * this.u / oh;
d = height * this.d / oh;
}
}
return xypic.Frame.Ellipse(this.x, this.y, l, r, u, d);
},
move: function (x, y) {
return xypic.Frame.Ellipse(x, y, this.l, this.r, this.u, this.d);
},
shiftFrame: function (dx, dy) {
return xypic.Frame.Ellipse(this.x, this.y,
Math.max(0, this.l - dx),
Math.max(0, this.r + dx),
Math.max(0, this.u + dy),
Math.max(0, this.d - dy)
);
},
rotate: function (angle) {
return this;
},
contains: function (point) {
var x = point.x;
var y = point.y;
if (this.isPoint()) {
return false;
}
var l = this.l;
var r = this.r;
var u = this.u;
var d = this.d;
var x0 = this.x;
var y0 = this.y;
var cx = x0 + (r - l) / 2;
var cy = y0 + (u - d) / 2;
var rx = (l + r) / 2;
var ry = (u + d) / 2;
var eps = ry / rx;
var dx = x - cx;
var dy = (y - cy) / eps;
return dx * dx + dy * dy <= rx * rx;
},
toString: function () {
return "{x:" + this.x + ", y:" + this.y + ", l:" + this.l + ", r:" + this.r + ", u:" + this.u + ", d:" + this.d + "}";
}
});
xypic.Range = MathJax.Object.Subclass({
Init: function (start, end) {
if (start > end) {
this.start = end;
this.end = start;
} else {
this.start = start;
this.end = end;
}
},
/**
* returns difference ranges between this range and a given range: this range \ a given range.
*/
difference: function (range) {
var diff = FP.List.empty;
var a0 = this.start;
var a1 = this.end;
var b0 = range.start;
var b1 = range.end;
if (a1 <= b0) {
// a0 < a1 <= b0 < b1
diff = diff.prepend(this);
} else if (b1 <= a0) {
// b0 < b1 <= a0 < a1
diff = diff.prepend(this);
} else if (a0 < b0) {
if (a1 <= b1) {
// a0 < b0 <= a1 <= b1
diff = diff.prepend(xypic.Range(a0, b0));
} else {
// a0 < b0 < b1 < a1
diff = diff.prepend(xypic.Range(a0, b0));
diff = diff.prepend(xypic.Range(b1, a1));
}
} else /* if (b0 <= a0) */ {
if (b1 < a1) {
// b0 <= a0 <= b1 < a1
diff = diff.prepend(xypic.Range(b1, a1));
} /* else {
// b0 <= a0 < a1 <= b1
} */
}
return diff;
},
differenceRanges: function (ranges) {
var result = FP.List.empty.prepend(this);
ranges.foreach(function (range) {
result = result.flatMap(function (remaining) {
return remaining.difference(range);
});
});
return result;
},
toString: function () {
return "[" + this.start + ", " + this.end + "]";
}
});
xypic.Shape = MathJax.Object.Subclass({
// <<interface>>
/**
* 図形を描画する。
* @param {xypic.Graphics.SVG} svg SVG
*/
// draw: function (svg) {}
/**
* Bounding Boxを返す。
* @returns {xypic.Frame.Rect} Bounding Box (ない場合はundefined)
*/
// getBoundingBox: function () {}
/**
* 中身が空であるかどうかを返す。
* @returns {boolean} true:空である、false:空でない
*/
isNone: false
});
xypic.Shape.NoneShape = xypic.Shape.Subclass({
draw: function (svg) {
},
getBoundingBox: function () {
return undefined;
},
toString: function () {
return "NoneShape";
},
isNone: true
});
xypic.Shape.Augment({}, {
none: xypic.Shape.NoneShape()
});
xypic.Shape.InvisibleBoxShape = xypic.Shape.Subclass({
Init: function (bbox) {
this.bbox = bbox;
},
draw: function (svg) {
},
getBoundingBox: function () {
return this.bbox;
},
toString: function () {
return "InvisibleBoxShape[bbox:" + this.bbox.toString() + "]";
}
});
xypic.Shape.TranslateShape = xypic.Shape.Subclass({
Init: function (dx, dy, shape) {
this.dx = dx;
this.dy = dy;
this.shape = shape;
memoize(this, "getBoundingBox");
},
draw: function (svg) {
var g = svg.createGroup(svg.transformBuilder().translate(this.dx, this.dy));
this.shape.draw(g);
},
getBoundingBox: function () {
var bbox = this.shape.getBoundingBox();
if (bbox === undefined) {
return undefined;
}
return xypic.Frame.Rect(bbox.x + this.dx, bbox.y + this.dy, bbox);
},
toString: function () {
return "TranslateShape[dx:" + this.dx + ", dy:" + this.dy + ", shape:" + this.shape.toString() + "]";
}
});
xypic.Shape.CompositeShape = xypic.Shape.Subclass({
Init: function (foregroundShape, backgroundShape) {
this.foregroundShape = foregroundShape;
this.backgroundShape = backgroundShape;
memoize(this, "getBoundingBox");
},
draw: function (svg) {
this.backgroundShape.draw(svg);
this.foregroundShape.draw(svg);
},
getBoundingBox: function () {
return xypic.Frame.combineRect(this.foregroundShape.getBoundingBox(), this.backgroundShape.getBoundingBox());
},
toString: function () {
return "(" + this.foregroundShape.toString() + ", " + this.backgroundShape.toString() + ")";
}
});
xypic.Shape.ChangeColorShape = xypic.Shape.Subclass({
Init: function (color, shape) {
this.color = color;
this.shape = shape;
memoize(this, "getBoundingBox");
},
draw: function (svg) {
var g = svg.createChangeColorGroup(this.color);
this.shape.draw(g);
},
getBoundingBox: function () {
return this.shape.getBoundingBox();
},
toString: function () {
return "" + this.shape + ", color:" + this.color;
}
});
xypic.Shape.CircleSegmentShape = xypic.Shape.Subclass({
Init: function (x, y, sx, sy, r, large, flip, ex, ey) {
this.x = x;
this.y = y;
this.sx = sx;
this.sy = sy;
this.r = r;
this.large = large;
this.flip = flip;
this.ex = ex;
this.ey = ey;
memoize(this, "getBoundingBox");
},
draw: function (svg) {
svg.createSVGElement("path", {
d:"M" + xypic.em2px(this.sx) + "," + xypic.em2px(-this.sy) + " A" + xypic.em2px(this.r) + "," + xypic.em2px(this.r) + " 0 " + this.large + "," + this.flip + " " + xypic.em2px(this.ex) + "," + xypic.em2px(-this.ey)
});
},
getBoundingBox: function () {
return xypic.Frame.Ellipse(this.x, this.y, this.r, this.r, this.r, this.r);
},
toString: function () {
return "CircleSegmentShape[x:" + this.x + ", y:" + this.y + ", sx:" + this.sx + ", sy:" + this.sy + ", r:" + this.r + ", large:" + this.large + ", flip:" + this.flip + ", ex:" + this.ex + ", ey:" + this.ey + "]";
}
});
xypic.Shape.FullCircleShape = xypic.Shape.Subclass({
Init: function (x, y, r) {
this.x = x;
this.y = y;
this.r = r;
memoize(this, "getBoundingBox");
},
draw: function (svg) {
svg.createSVGElement("circle", {
cx:xypic.em2px(this.x), cy:xypic.em2px(-this.y), r:xypic.em2px(this.r)
});
},
getBoundingBox: function () {
return xypic.Frame.Ellipse(this.x, this.y, this.r, this.r, this.r, this.r);
},
toString: function () {
return "FullCircleShape[x:" + this.x + ", y:" + this.y + ", r:" + this.r + "]";
}
});
xypic.Shape.RectangleShape = xypic.Shape.Subclass({
Init: function (x, y, left, right, up, down, r, isDoubled, color, dasharray, fillColor, hideLine) {
this.x = x;
this.y = y;
this.left = left;
this.right = right;
this.up = up;
this.down = down;
this.r = r;
this.isDoubled = isDoubled;
this.color = color;
this.dasharray = dasharray;
this.fillColor = fillColor;
this.hideLine = hideLine || false;
memoize(this, "getBoundingBox");
},
draw: function (svg) {
var def;
def = {
x:xypic.em2px(this.x - this.left),
y:-xypic.em2px(this.y + this.up),
width:xypic.em2px(this.left + this.right),
height:xypic.em2px(this.up + this.down),
rx:xypic.em2px(this.r)
};
if (this.dasharray !== undefined) {
def["stroke-dasharray"] = this.dasharray;
}
if (this.hideLine) {
def["stroke"] = "none";
} else if (this.color !== undefined) {
def["stroke"] = this.color;
}
if (this.fillColor !== undefined) {
def["fill"] = this.fillColor;
}
svg.createSVGElement("rect", def);
if (this.isDoubled) {
def = {
x:xypic.em2px(this.x - this.left + AST.xypic.thickness),
y:-xypic.em2px(this.y + this.up - AST.xypic.thickness),
width:xypic.em2px(this.left + this.right - 2 * AST.xypic.thickness),
height:xypic.em2px(this.up + this.down - 2 * AST.xypic.thickness),
rx:xypic.em2px(Math.max(this.r - AST.xypic.thickness, 0))
};
if (this.dasharray !== undefined) {
def["stroke-dasharray"] = this.dasharray;
}
if (this.hideLine) {
def["stroke"] = "none";
} else if (this.color !== undefined) {
def["stroke"] = this.color;
}
if (this.fillColor !== undefined) {
def["fill"] = this.fillColor;
}
svg.createSVGElement("rect", def);
}
},
getBoundingBox: function () {
return xypic.Frame.Rect(this.x, this.y, { l:this.left, r:this.right, u:this.up, d:this.down });
},
toString: function () {
return "RectangleShape[x:" + this.x + ", y:" + this.y + ", left:" + this.left + ", right:" + this.right + ", up:" + this.up + ", down:" + this.down + ", r:" + this.r + ", isDouble:" + this.isDouble + ", dasharray:" + this.dasharray + "]";
}
});
xypic.Shape.EllipseShape = xypic.Shape.Subclass({
Init: function (x, y, rx, ry, isDoubled, color, dasharray, fillColor, hideLine) {
this.x = x;
this.y = y;
this.rx = rx;
this.ry = ry;
this.isDoubled = isDoubled;
this.color = color;
this.dasharray = dasharray;
this.fillColor = fillColor;
this.hideLine = hideLine || false;
memoize(this, "getBoundingBox");
},
draw: function (svg) {
var def;
def = {
cx:xypic.em2px(this.x),
cy:-xypic.em2px(this.y),
rx:xypic.em2px(this.rx),
ry:xypic.em2px(this.ry)
};
if (this.dasharray !== undefined) {
def["stroke-dasharray"] = this.dasharray;
}
if (this.hideLine) {
def["stroke"] = "none";
} else if (this.color !== undefined) {
def["stroke"] = this.color;
}
if (this.fillColor !== undefined) {
def["fill"] = this.fillColor;
}
svg.createSVGElement("ellipse", def);
if (this.isDoubled) {
def = {
cx:xypic.em2px(this.x),
cy:-xypic.em2px(this.y),
rx:xypic.em2px(Math.max(this.rx - AST.xypic.thickness)),
ry:xypic.em2px(Math.max(this.ry - AST.xypic.thickness))
};
if (this.dasharray !== undefined) {
def["stroke-dasharray"] = this.dasharray;
}
if (this.hideLine) {
def["stroke"] = "none";
} else if (this.color !== undefined) {
def["stroke"] = this.color;
}
if (this.fillColor !== undefined) {
def["fill"] = this.fillColor;
}
svg.createSVGElement("ellipse", def);
}
},
getBoundingBox: function () {
return xypic.Frame.Rect(this.x, this.y, { l:this.rx, r:this.rx, u:this.ry, d:this.ry });
},
toString: function () {
return "EllipseShape[x:" + this.x + ", y:" + this.y + ", rx:" + this.rx + ", ry:" + this.ry + ", isDoubled:" + this.isDoubled + ", dasharray:" + this.dasharray + "]";
}
});
xypic.Shape.BoxShadeShape = xypic.Shape.Subclass({
Init: function (x, y, left, right, up, down, depth, color) {
this.x = x;
this.y = y;
this.left = left;
this.right = right;
this.up = up;
this.down = down;
this.depth = depth;
this.color = color || "currentColor";
memoize(this, "getBoundingBox");
},
draw: function (svg) {
var x = xypic.em2px(this.x);
var y = xypic.em2px(this.y);
var l = xypic.em2px(this.left);
var r = xypic.em2px(this.right);
var u = xypic.em2px(this.up);
var d = xypic.em2px(this.down);
var depth = xypic.em2px(this.depth);
svg.createSVGElement("path", {
d: "M" + (x - l + depth) + "," + (-y + d) +
"L" + (x + r) + "," + (-y + d) +
"L" + (x + r) + "," + (-y - u + depth) +
"L" + (x + r + depth) + "," + (-y - u + depth) +
"L" + (x + r + depth) + "," + (-y + d + depth) +
"L" + (x - l + depth) + "," + (-y + d + depth) +
"Z",
stroke: this.color,
fill: this.color
});
},
getBoundingBox: function () {
return xypic.Frame.Rect(this.x, this.y, { l:this.left, r:this.right + this.depth, u:this.up, d:this.down + this.depth });
},
toString: function () {
return "RectangleShape[x:" + this.x + ", y:" + this.y + ", left:" + this.left + ", right:" + this.right + ", up:" + this.up + ", down:" + this.down + ", depth:" + this.depth + "]";
}
});
xypic.Shape.LeftBrace = xypic.Shape.Subclass({
Init: function (x, y, up, down, degree, color) {
this.x = x;
this.y = y;
this.up = up;
this.down = down;
this.degree = degree;
this.color = color || "currentColor";
memoize(this, "getBoundingBox");
},
draw: function (svg) {
var scale = xypic.oneem;
var down = Math.max(0.759375 + 0.660375, this.down / scale * 1.125) - 0.660375;
var up = - Math.max(0.759375 + 0.660375, this.up / scale * 1.125) + 0.660375;
var d;
d = "M" + xypic.em2px(-0.0675) + " " + xypic.em2px(down) +
"T" + xypic.em2px(-0.068625) + " " + xypic.em2px(0.07875 + down) +
"Q" + xypic.em2px(-0.068625) + " " + xypic.em2px(0.190125 + down) +
" " + xypic.em2px(-0.0585) + " " + xypic.em2px(0.250875 + down) +
"T" + xypic.em2px(-0.01125) + " " + xypic.em2px(0.387 + down) +
"Q" + xypic.em2px(0.07425) + " " + xypic.em2px(0.55575 + down) +
" " + xypic.em2px(0.2475) + " " + xypic.em2px(0.6525 + down) +
"L" + xypic.em2px(0.262125) + " " + xypic.em2px(0.660375 + down) +
"L" + xypic.em2px(0.3015) + " " + xypic.em2px(0.660375 + down) +
"L" + xypic.em2px(0.30825) + " " + xypic.em2px(0.653625 + down) +
"V" + xypic.em2px(0.622125 + down) +
"Q" + xypic.em2px(0.30825) + " " + xypic.em2px(0.60975 + down) +
" " + xypic.em2px(0.2925) + " " + xypic.em2px(0.60075 + down) +
"Q" + xypic.em2px(0.205875) + " " + xypic.em2px(0.541125 + down) +
" " + xypic.em2px(0.149625) + " " + xypic.em2px(0.44775 + down) +
"T" + xypic.em2px(0.07425) + " " + xypic.em2px(0.239625 + down) +
"Q" + xypic.em2px(0.07425) + " " + xypic.em2px(0.2385 + down) +
" " + xypic.em2px(0.073125) + " " + xypic.em2px(0.235125 + down) +
"Q" + xypic.em2px(0.068625) + " " + xypic.em2px(0.203625 + down) +
" " + xypic.em2px(0.0675) + " " + xypic.em2px(0.041625 + down) +
"L" + xypic.em2px(0.0675) + " " + xypic.em2px(0.75825) +
"Q" + xypic.em2px(0.0675) + " " + xypic.em2px(0.496125) +
" " + xypic.em2px(0.066375) + " " + xypic.em2px(0.486) +
"Q" + xypic.em2px(0.05625) + " " + xypic.em2px(0.336375) +
" " + xypic.em2px(-0.021375) + " " + xypic.em2px(0.212625) +
"T" + xypic.em2px(-0.226125) + " " + xypic.em2px(0.010125) +
"L" + xypic.em2px(-0.241875) + " 0" +
"L" + xypic.em2px(-0.226125) + " " + xypic.em2px(-0.010125) +
"Q" + xypic.em2px(-0.106875) + " " + xypic.em2px(-0.084375) +
" " + xypic.em2px(-0.025875) + " " + xypic.em2px(-0.207) +
"T" + xypic.em2px(0.066375) + " " + xypic.em2px(-0.486) +
"Q" + xypic.em2px(0.0675) + " " + xypic.em2px(-0.496125) +
" " + xypic.em2px(0.0675) + " " + xypic.em2px(-0.75825) +
"L" + xypic.em2px(0.0675) + " " + xypic.em2px(-0.041625 + up) +
"Q" + xypic.em2px(0.068625) + " " + xypic.em2px(-0.203625 + up) +
" " + xypic.em2px(0.073125) + " " + xypic.em2px(-0.235125 + up) +
"Q" + xypic.em2px(0.07425) + " " + xypic.em2px(-0.2385 + up) +
" " + xypic.em2px(0.07425) + " " + xypic.em2px(-0.239625 + up) +
"Q" + xypic.em2px(0.093375) + " " + xypic.em2px(-0.354375 + up) +
" " + xypic.em2px(0.149625) + " " + xypic.em2px(-0.44775 + up) +
"T" + xypic.em2px(0.2925) + " " + xypic.em2px(-0.60075 + up) +
"Q" + xypic.em2px(0.30825) + " " + xypic.em2px(-0.60975 + up) +
" " + xypic.em2px(0.30825) + " " + xypic.em2px(-0.622125 + up) +
"L" + xypic.em2px(0.30825) + " " + xypic.em2px(-0.653625 + up) +
"L" + xypic.em2px(0.3015) + " " + xypic.em2px(-0.660375 + up) +
"L" + xypic.em2px(0.262125) + " " + xypic.em2px(-0.660375 + up) +
"L" + xypic.em2px(0.2475) + " " + xypic.em2px(-0.6525 + up) +
"Q" + xypic.em2px(0.07425) + " " + xypic.em2px(-0.55575 + up) +
" " + xypic.em2px(-0.01125) + " " + xypic.em2px(-0.387 + up) +
"Q" + xypic.em2px(-0.048375) + " " + xypic.em2px(-0.311625 + up) +
" " + xypic.em2px(-0.0585) + " " + xypic.em2px(-0.250875 + up) +
"T" + xypic.em2px(-0.068625) + " " + xypic.em2px(-0.07875 + up) +
"Q" + xypic.em2px(-0.0675) + " " + xypic.em2px(up) +
" " + xypic.em2px(-0.0675) + " " + xypic.em2px(up) +
"L" + xypic.em2px(-0.0675) + " " + xypic.em2px(-0.759375) +
"V" + xypic.em2px(-0.5985) +
"Q" + xypic.em2px(-0.0675) + " " + xypic.em2px(-0.47925) +
" " + xypic.em2px(-0.075375) + " " + xypic.em2px(-0.41175) +
"T" + xypic.em2px(-0.11475) + " " + xypic.em2px(-0.27) +
"Q" + xypic.em2px(-0.133875) + " " + xypic.em2px(-0.2205) +
" " + xypic.em2px(-0.160875) + " " + xypic.em2px(-0.17775) +
"T" + xypic.em2px(-0.212625) + " " + xypic.em2px(-0.106875) +
"T" + xypic.em2px(-0.25875) + " " + xypic.em2px(-0.06075) +
"T" + xypic.em2px(-0.293625) + " " + xypic.em2px(-0.0315) +
"T" + xypic.em2px(-0.307125) + " " + xypic.em2px(-0.02025) +
"Q" + xypic.em2px(-0.30825) + " " + xypic.em2px(-0.019125) +
" " + xypic.em2px(-0.30825) + " 0" +
"T" + xypic.em2px(-0.307125) + " " + xypic.em2px(0.02025) +
"Q" + xypic.em2px(-0.307125) + " " + xypic.em2px(0.021375) +
" " + xypic.em2px(-0.284625) + " " + xypic.em2px(0.03825) +
"T" + xypic.em2px(-0.2295) + " " + xypic.em2px(0.091125) +
"T" + xypic.em2px(-0.162) + " " + xypic.em2px(0.176625) +
"T" + xypic.em2px(-0.10125) + " " + xypic.em2px(0.30825) +
"T" + xypic.em2px(-0.068625) + " " + xypic.em2px(0.482625) +
"Q" + xypic.em2px(-0.0675) + " " + xypic.em2px(0.496125) +
" " + xypic.em2px(-0.0675) + " " + xypic.em2px(0.759375) +
"Z";
svg.createSVGElement("path", {
d:d,
fill:this.color,
stroke:this.color,
"stroke-width":"0pt",
transform:"translate(" + xypic.em2px(this.x) + "," + xypic.em2px(-this.y) +") rotate(" + (-this.degree) + ") scale(" + (scale / 1.125) + ")"
});
},
getBoundingBox: function () {
var scale = xypic.oneem;
return xypic.Frame.Rect(this.x, this.y, { l:0.274 * scale, r:0.274 * scale, u:Math.max((0.759375 + 0.660375) * scale / 1.125, this.up), d:Math.max((0.759375 + 0.660375) * scale / 1.125, this.down) }).rotate(this.degree * Math.PI / 180);
},
toString: function () {
return "LeftBrace[x:" + this.x + ", y:" + this.y + ", up:" + this.up + ", down:" + this.down + "]";
}
});
xypic.Shape.LeftParenthesis = xypic.Shape.Subclass({
Init: function (x, y, height, degree, color) {
this.x = x;
this.y = y;
this.height = height;
this.degree = degree;
this.color = color || "currentColor";
memoize(this, "getBoundingBox");
},
draw: function (svg) {
var scale = xypic.oneem;
var down = Math.max(0.660375, this.height / 2 / scale * 1.125) - 0.660375;
var up = -down;
var d;
d = "M" + xypic.em2px(-0.0675) + " " + xypic.em2px(down) +
"T" + xypic.em2px(-0.068625) + " " + xypic.em2px(0.07875 + down) +
"Q" + xypic.em2px(-0.068625) + " " + xypic.em2px(0.190125 + down) +
" " + xypic.em2px(-0.0585) + " " + xypic.em2px(0.250875 + down) +
"T" + xypic.em2px(-0.01125) + " " + xypic.em2px(0.387 + down) +
"Q" + xypic.em2px(0.07425) + " " + xypic.em2px(0.55575 + down) +
" " + xypic.em2px(0.2475) + " " + xypic.em2px(0.6525 + down) +
"L" + xypic.em2px(0.262125) + " " + xypic.em2px(0.660375 + down) +
"L" + xypic.em2px(0.3015) + " " + xypic.em2px(0.660375 + down) +
"L" + xypic.em2px(0.30825) + " " + xypic.em2px(0.653625 + down) +
"V" + xypic.em2px(0.622125 + down) +
"Q" + xypic.em2px(0.30825) + " " + xypic.em2px(0.60975 + down) +
" " + xypic.em2px(0.2925) + " " + xypic.em2px(0.60075 + down) +
"Q" + xypic.em2px(0.205875) + " " + xypic.em2px(0.541125 + down) +
" " + xypic.em2px(0.149625) + " " + xypic.em2px(0.44775 + down) +
"T" + xypic.em2px(0.07425) + " " + xypic.em2px(0.239625 + down) +
"Q" + xypic.em2px(0.07425) + " " + xypic.em2px(0.2385 + down) +
" " + xypic.em2px(0.073125) + " " + xypic.em2px(0.235125 + down) +
"Q" + xypic.em2px(0.068625) + " " + xypic.em2px(0.203625 + down) +
" " + xypic.em2px(0.0675) + " " + xypic.em2px(0.041625 + down) +
"L" + xypic.em2px(0.0675) + " " + xypic.em2px(-0.041625 + up) +
"Q" + xypic.em2px(0.068625) + " " + xypic.em2px(-0.203625 + up) +
" " + xypic.em2px(0.073125) + " " + xypic.em2px(-0.235125 + up) +
"Q" + xypic.em2px(0.07425) + " " + xypic.em2px(-0.2385 + up) +
" " + xypic.em2px(0.07425) + " " + xypic.em2px(-0.239625 + up) +
"Q" + xypic.em2px(0.093375) + " " + xypic.em2px(-0.354375 + up) +
" " + xypic.em2px(0.149625) + " " + xypic.em2px(-0.44775 + up) +
"T" + xypic.em2px(0.2925) + " " + xypic.em2px(-0.60075 + up) +
"Q" + xypic.em2px(0.30825) + " " + xypic.em2px(-0.60975 + up) +
" " + xypic.em2px(0.30825) + " " + xypic.em2px(-0.622125 + up) +
"L" + xypic.em2px(0.30825) + " " + xypic.em2px(-0.653625 + up) +
"L" + xypic.em2px(0.3015) + " " + xypic.em2px(-0.660375 + up) +
"L" + xypic.em2px(0.262125) + " " + xypic.em2px(-0.660375 + up) +
"L" + xypic.em2px(0.2475) + " " + xypic.em2px(-0.6525 + up) +
"Q" + xypic.em2px(0.07425) + " " + xypic.em2px(-0.55575 + up) +
" " + xypic.em2px(-0.01125) + " " + xypic.em2px(-0.387 + up) +
"Q" + xypic.em2px(-0.048375) + " " + xypic.em2px(-0.311625 + up) +
" " + xypic.em2px(-0.0585) + " " + xypic.em2px(-0.250875 + up) +
"T" + xypic.em2px(-0.068625) + " " + xypic.em2px(-0.07875 + up) +
"Q" + xypic.em2px(-0.0675) + " " + xypic.em2px(up) +
" " + xypic.em2px(-0.0675) + " " + xypic.em2px(up) +
"Z";
svg.createSVGElement("path", {
d:d,
fill:this.color,
stroke:this.color,
"stroke-width":"0pt",
transform:"translate(" + xypic.em2px(this.x) + "," + xypic.em2px(-this.y) +") rotate(" + (-this.degree) + ") scale(" + (scale / 1.125) + ")"
});
},
getBoundingBox: function () {
var scale = xypic.oneem;
return xypic.Frame.Rect(this.x, this.y, { l:0.06 * scale, r:0.274 * scale, u:Math.max(0.660375 * scale / 1.125, this.height / 2), d:Math.max(0.660375 * scale / 1.125, this.height / 2) }).rotate(this.degree * Math.PI / 180);
},
toString: function () {
return "LeftBrace[x:" + this.x + ", y:" + this.y + ", up:" + this.up + ", down:" + this.down + "]";
}
});
xypic.Shape.TextShape = xypic.Shape.Subclass({
Init: function (c, math, svgForTestLayout) {
this.c = c;
this.math = math;
this.svgForTestLayout = svgForTestLayout;
this.originalBBox = undefined;
memoize(this, "getBoundingBox");
memoize(this, "getOriginalReferencePoint");
},
draw: function (svg) {
this._draw(svg, false);
},
getBoundingBox: function () {
return this._draw(this.svgForTestLayout, true);
},
getOriginalReferencePoint: function () {
this.getBoundingBox();
var originalBBox = this.originalBBox;
var c = this.c;
var H = originalBBox.H;
var D = originalBBox.D;
return xypic.Frame.Point(c.x, c.y - (H - D) / 2);
},
toString: function () {
return "TextShape[c:" + this.c.toString() + ", math:" + this.math.toString() + "]";
}
});
xypic.Shape.ImageShape = xypic.Shape.Subclass({
Init: function (c, url) {
this.c = c;
this.url = url;
memoize(this, "getBoundingBox");
memoize(this, "getOriginalReferencePoint");
},
draw: function (svg) {
var c = this.c;
svg.createSVGElement("image", {
x: xypic.em2px(c.x - c.l),
y: xypic.em2px(-c.y - c.u),
width: xypic.em2px(c.l + c.r),
height: xypic.em2px(c.u + c.d),
preserveAspectRatio: "none",
"xlink:href": this.url
});
},
getBoundingBox: function () {
return this.c;
},
getOriginalReferencePoint: function () {
return this.c;
},
toString: function () {
return "ImageShape[c:" + this.c.toString() + ", height:" + this.height + ", width:" + this.width + ", url:" + this.url + "]";
}
});
xypic.Shape.ArrowheadShape = xypic.Shape.Subclass({
draw: function (svg) {
var g = svg.createGroup(svg.transformBuilder().translate(this.c.x, this.c.y).rotateRadian(this.angle));
this.drawDelegate(g);
},
getBoundingBox: function () {
return this.c.toRect(this.getBox()).rotate(this.angle);
},
toString: function () {
return "ArrowheadShape[c:" + this.c.toString() + ", angle:" + this.angle + "]";
}
});
// @2{>}
xypic.Shape.GT2ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0.456 * scale, r:0, d:0.229 * scale, u:0.229 * scale }; },
getRadius: function () {
var scale = xypic.oneem;
return 0.213 * scale;
},
drawDelegate: function (svg) {
var scale = xypic.oneem;
var gu = svg.createGroup(svg.transformBuilder().rotateDegree(-10));
var gd = svg.createGroup(svg.transformBuilder().rotateDegree(10));
gu.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
gd.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + ","+xypic.em2px(0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @3{>}
xypic.Shape.GT3ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0.507 * scale, r:0, d:0.268 * scale, u:0.268 * scale }; },
getRadius: function () {
var scale = xypic.oneem;
return 0.325 * scale;
},
drawDelegate: function (svg) {
var scale = xypic.oneem;
var gu = svg.createGroup(svg.transformBuilder().rotateDegree(-15));
var gd = svg.createGroup(svg.transformBuilder().rotateDegree(15));
gu.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
svg.createSVGElement("line", {
x1:0, y1:0, x2:xypic.em2px(-0.507 * scale), y2:0
});
gd.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @^{>}
xypic.Shape.UpperGTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0.489 * scale, r:0, d:0, u:0.147 * scale }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
}
});
// @_{>}
xypic.Shape.LowerGTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0.489 * scale, r:0, d:0.147 * scale, u:0 }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @{>}
xypic.Shape.GTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0.489 * scale, r:0, d:0.147 * scale, u:0.147 * scale }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
}
});
// @2{<}
xypic.Shape.LT2ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0, r:0.456 * scale, d:0.229 * scale, u:0.229 * scale }; },
getRadius: function () {
var scale = xypic.oneem;
return 0.213 * scale;
},
drawDelegate: function (svg) {
var scale = xypic.oneem;
var gu = svg.createGroup(svg.transformBuilder().rotateDegree(10));
var gd = svg.createGroup(svg.transformBuilder().rotateDegree(-10));
gu.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
gd.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @3{<}
xypic.Shape.LT3ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0, r:0.507 * scale, d:0.268 * scale, u:0.268 * scale }; },
getRadius: function () {
var scale = xypic.oneem;
return 0.325 * scale;
},
drawDelegate: function (svg) {
var scale = xypic.oneem;
var gu = svg.createGroup(svg.transformBuilder().rotateDegree(15));
var gd = svg.createGroup(svg.transformBuilder().rotateDegree(-15));
gu.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
svg.createSVGElement("line", {
x1:0, y1:0, x2:xypic.em2px(0.507 * scale), y2:0
});
gd.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @^{<}
xypic.Shape.UpperLTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0, r:0.489 * scale, d:0, u:0.147 * scale }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
}
});
// @_{<}
xypic.Shape.LowerLTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0, r:0.489 * scale, d:0.147 * scale, u:0 }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @{<}
xypic.Shape.LTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0, r:0.489 * scale, d:0.147 * scale, u:0.147 * scale }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @^{|}
xypic.Shape.UpperColumnArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0, u:AST.xypic.lineElementLength, d:0 }; },
drawDelegate: function (svg) {
var l = xypic.em2px(AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:0, x2:0, y2:-l
});
}
});
// @_{|}
xypic.Shape.LowerColumnArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0, u:0, d:AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var l = xypic.em2px(AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:0, x2:0, y2:l
});
}
});
// @2{|}
xypic.Shape.Column2ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0, u:0.5 * (AST.xypic.lineElementLength + AST.xypic.thickness), d:0.5 * (AST.xypic.lineElementLength + AST.xypic.thickness) }; },
drawDelegate: function (svg) {
var l = xypic.em2px(0.5 * (AST.xypic.lineElementLength + AST.xypic.thickness));
svg.createSVGElement("line", {
x1:0, y1:l, x2:0, y2:-l
});
}
});
// @3{|}
xypic.Shape.Column3ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0, u:0.5 * AST.xypic.lineElementLength + AST.xypic.thickness, d:0.5 * AST.xypic.lineElementLength + AST.xypic.thickness }; },
drawDelegate: function (svg) {
var l = xypic.em2px(0.5 * AST.xypic.lineElementLength + AST.xypic.thickness);
svg.createSVGElement("line", {
x1:0, y1:l, x2:0, y2:-l
});
}
});
// @{|}
xypic.Shape.ColumnArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0, u:0.5 * AST.xypic.lineElementLength, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var l = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:l, x2:0, y2:-l
});
}
});
// @^{(}
xypic.Shape.UpperLParenArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0.5 * AST.xypic.lineElementLength, r:0, u:AST.xypic.lineElementLength, d:0 }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var r = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("path", {
d:"M0,0 A " + r + "," + r + " 0 0,1 0," + (-2 * r)
});
}
});
// @_{(}
xypic.Shape.LowerLParenArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0.5 * AST.xypic.lineElementLength, r:0, u:0, d:AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var r = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("path", {
d:"M0,0 A " + r + "," + r + " 0 0,0 0," + (2 * r)
});
}
});
// @{(}
xypic.Shape.LParenArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0.5 * AST.xypic.lineElementLength, u:0.5 * AST.xypic.lineElementLength, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var r = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("path", {
d:"M" + r + "," + (-r) + " A " + r + "," + r + " 0 0,0 " + r + "," + r
});
}
});
// @^{)}
xypic.Shape.UpperRParenArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0.5 * AST.xypic.lineElementLength, u:AST.xypic.lineElementLength, d:0 }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var r = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("path", {
d:"M0,0 A " + r + "," + r + " 0 0,0 0," + (-2 * r)
});
}
});
// @_{)}
xypic.Shape.LowerRParenArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0.5 * AST.xypic.lineElementLength, u:0, d:AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var r = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("path", {
d:"M0,0 A " + r + "," + r + " 0 0,1 0," + (2 * r)
});
}
});
// @{)}
xypic.Shape.RParenArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0.5 * AST.xypic.lineElementLength, r:0, u:0.5 * AST.xypic.lineElementLength, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var r = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("path", {
d:"M" + (-r) + "," + (-r) + " A " + r + "," + r + " 0 0,1 " + (-r) + "," + r
});
}
});
// @_{`}
xypic.Shape.LowerBackquoteArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0.5 * AST.xypic.lineElementLength, r:0, u:0, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var r = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("path", {
d:"M0,0 A " + r + "," + r + " 0 0,0 " + (-r) + "," + (r)
});
}
});
// @{`}, @^{`}
xypic.Shape.UpperBackquoteArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0.5 * AST.xypic.lineElementLength, r:0, u:0.5 * AST.xypic.lineElementLength, d:0 }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var r = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("path", {
d:"M0,0 A " + r + "," + r + " 0 0,1 " + (-r) + "," + (-r)
});
}
});
// @_{'}
xypic.Shape.LowerQuoteArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0.5 * AST.xypic.lineElementLength, u:0, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var r = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("path", {
d:"M0,0 A " + r + "," + r + " 0 0,1 " + r + "," + (r)
});
}
});
// @{'}, @^{'}
xypic.Shape.UpperQuoteArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0.5 * AST.xypic.lineElementLength, u:0.5 * AST.xypic.lineElementLength, d:0 }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var r = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("path", {
d:"M0,0 A " + r + "," + r + " 0 0,0 " + r + "," + (-r)
});
}
});
// @{*}
xypic.Shape.AsteriskArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = 0;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:AST.xypic.thickness, r:AST.xypic.thickness, u:AST.xypic.thickness, d:AST.xypic.thickness }; },
drawDelegate: function (svg) {
svg.createSVGElement("circle", {
cx:0, cy:0, r:xypic.em2px(AST.xypic.thickness),
fill: "currentColor"
});
}
});
// @{o}
xypic.Shape.OArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = 0;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:AST.xypic.thickness, r:AST.xypic.thickness, u:AST.xypic.thickness, d:AST.xypic.thickness }; },
drawDelegate: function (svg) {
svg.createSVGElement("circle", {
cx:0, cy:0, r:xypic.em2px(AST.xypic.thickness)
});
}
});
// @{+}
xypic.Shape.PlusArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0.5 * AST.xypic.lineElementLength, r:0.5 * AST.xypic.lineElementLength, u:0.5 * AST.xypic.lineElementLength, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var halfLen = AST.xypic.lineElementLength / 2;
var halfLenPx = xypic.em2px(halfLen);
svg.createSVGElement("line", {
x1:-halfLenPx, y1:0, x2:halfLenPx, y2:0
});
svg.createSVGElement("line", {
x1:0, y1:halfLenPx, x2:0, y2:-halfLenPx
});
}
});
// @{x}
xypic.Shape.XArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle + Math.PI / 4;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0.5 * AST.xypic.lineElementLength, r:0.5 * AST.xypic.lineElementLength, u:0.5 * AST.xypic.lineElementLength, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var halfLen = AST.xypic.lineElementLength / 2;
var halfLenPx = xypic.em2px(halfLen);
svg.createSVGElement("line", {
x1:-halfLenPx, y1:0, x2:halfLenPx, y2:0
});
svg.createSVGElement("line", {
x1:0, y1:halfLenPx, x2:0, y2:-halfLenPx
});
}
});
// @{/}
xypic.Shape.SlashArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle - Math.PI / 10;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0, u:AST.xypic.lineElementLength / 2, d:AST.xypic.lineElementLength / 2 }; },
drawDelegate: function (svg) {
var halfLen = AST.xypic.lineElementLength / 2;
var halfLenPx = xypic.em2px(halfLen);
svg.createSVGElement("line", {
x1:0, y1:halfLenPx, x2:0, y2:-halfLenPx
});
}
});
// @3{-}
xypic.Shape.Line3ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:AST.xypic.lineElementLength, u:AST.xypic.thickness, d:AST.xypic.thickness }; },
drawDelegate: function (svg) {
var lineLen = xypic.em2px(AST.xypic.lineElementLength);
var vshift = xypic.em2px(AST.xypic.thickness);
svg.createSVGElement("line", {
x1:0, y1:vshift, x2:lineLen, y2:vshift
});
svg.createSVGElement("line", {
x1:0, y1:0, x2:lineLen, y2:0
});
svg.createSVGElement("line", {
x1:0, y1:-vshift, x2:lineLen, y2:-vshift
});
}
});
// @2{-}
xypic.Shape.Line2ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:AST.xypic.lineElementLength, u:0.5 * AST.xypic.thickness, d:0.5 * AST.xypic.thickness }; },
drawDelegate: function (svg) {
var vshift = xypic.em2px(0.5 * AST.xypic.thickness);
var lineLen = xypic.em2px(AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:vshift, x2:lineLen, y2:vshift
});
svg.createSVGElement("line", {
x1:0, y1:-vshift, x2:lineLen, y2:-vshift
});
}
});
// @{-}
xypic.Shape.LineArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:AST.xypic.lineElementLength, u:0, d:0 }; },
drawDelegate: function (svg) {
var lineLen = xypic.em2px(AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:0, x2:lineLen, y2:0
});
}
});
// @3{.}
xypic.Shape.Dot3ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0, u:AST.xypic.thickness, d:AST.xypic.thickness }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
var vshift = xypic.em2px(AST.xypic.thickness);
var lineLen = xypic.em2px(AST.xypic.thickness);
var dasharray = AST.xypic.dottedDasharray;
svg.createSVGElement("line", {
x1:0, y1:vshift, x2:lineLen, y2:vshift,
"stroke-dasharray": dasharray
});
svg.createSVGElement("line", {
x1:0, y1:0, x2:lineLen, y2:0,
"stroke-dasharray": dasharray
});
svg.createSVGElement("line", {
x1:0, y1:-vshift, x2:lineLen, y2:-vshift,
"stroke-dasharray": dasharray
});
}
});
// @2{.}
xypic.Shape.Dot2ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0, u:0.5 * AST.xypic.thickness, d:0.5 * AST.xypic.thickness }; },
drawDelegate: function (svg) {
var vshift = xypic.em2px(0.5 * AST.xypic.thickness);
var lineLen = xypic.em2px(AST.xypic.thickness);
var dasharray = AST.xypic.dottedDasharray;
svg.createSVGElement("line", {
x1:0, y1:vshift, x2:lineLen, y2:vshift,
"stroke-dasharray": dasharray
});
svg.createSVGElement("line", {
x1:0, y1:-vshift, x2:lineLen, y2:-vshift,
"stroke-dasharray": dasharray
});
}
});
// @{.}
xypic.Shape.DotArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:0, u:0, d:0 }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
var lineLen = xypic.em2px(AST.xypic.thickness);
var dasharray = AST.xypic.dottedDasharray;
svg.createSVGElement("line", {
x1:0, y1:0, x2:lineLen, y2:0,
"stroke-dasharray": dasharray
});
}
});
// @3{~}
xypic.Shape.Tilde3ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:-2 * AST.xypic.thickness, r:2 * AST.xypic.thickness, u:2 * AST.xypic.thickness, d:2* AST.xypic.thickness }; },
drawDelegate: function (svg) {
var s = xypic.em2px(AST.xypic.thickness);
svg.createSVGElement("path", {
d:"M" + (-2 * s) + "," + s +
" Q" + (-s) + ",0" +
" 0," + s +
" T" + (2 * s) + "," + s +
"M" + (-2 * s) + ",0" +
" Q" + (-s) + "," + (-s) +
" 0,0" +
" T" + (2 * s) + ",0" +
"M" + (-2 * s) + "," + (-s) +
" Q" + (-s) + "," + (-2 * s) +
" 0," + (-s) +
" T" + (2 * s) + "," + (-s)
});
}
});
// @2{~}
xypic.Shape.Tilde2ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:-2 * AST.xypic.thickness, r:2 * AST.xypic.thickness, u:1.5 * AST.xypic.thickness, d:1.5 * AST.xypic.thickness }; },
drawDelegate: function (svg) {
var s = xypic.em2px(AST.xypic.thickness);
svg.createSVGElement("path", {
d:"M" + (-2 * s) + "," + (0.5 * s) +
" Q" + (-s) + "," + (-0.5 * s) +
" 0," + (0.5 * s) +
" T" + (2 * s) + "," + (0.5 * s) +
"M" + (-2 * s) + "," + (-0.5 * s) +
" Q" + (-s) + "," + (-1.5 * s) +
" 0," + (-0.5 * s) +
" T" + (2 * s) + "," + (-0.5 * s)
});
}
});
// @{~}
xypic.Shape.TildeArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:-2 * AST.xypic.thickness, r:2 * AST.xypic.thickness, u:AST.xypic.thickness, d:AST.xypic.thickness }; },
drawDelegate: function (svg) {
var s = xypic.em2px(AST.xypic.thickness);
svg.createSVGElement("path", {
d:"M" + (-2 * s) + ",0" +
" Q" + (-s) + "," + (-s) +
" 0,0" +
" T" + (2 * s) + ",0"
});
}
});
// @{~}
xypic.Shape.TildeArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:-2 * AST.xypic.thickness, r:2 * AST.xypic.thickness, u:AST.xypic.thickness, d:AST.xypic.thickness }; },
drawDelegate: function (svg) {
var s = xypic.em2px(AST.xypic.thickness);
svg.createSVGElement("path", {
d:"M" + (-2 * s) + ",0" +
" Q" + (-s) + "," + (-s) +
" 0,0" +
" T" + (2 * s) + ",0"
});
}
});
// @{>>}
xypic.Shape.GTGTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0.489 * scale + 2 * AST.xypic.thickness, r:0, d:0.147 * scale, u:0.147 * scale }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
var t = AST.xypic.thickness;
var hshift = xypic.em2px(2 * t);
svg.createSVGElement("path", {
d:"M" + (-hshift) + ",0 Q" + (xypic.em2px(-0.222 * scale) - hshift) + "," + xypic.em2px(0.020 * scale) + " " + (xypic.em2px(-0.489 * scale) - hshift) + "," + xypic.em2px(0.147 * scale)
});
svg.createSVGElement("path", {
d:"M" + (-hshift) + ",0 Q" + (xypic.em2px(-0.222 * scale) - hshift) + "," + xypic.em2px(-0.020 * scale) + " " + (xypic.em2px(-0.489 * scale) - hshift) + "," + xypic.em2px(-0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
}
});
// @^{>>}
xypic.Shape.UpperGTGTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0.489 * scale + 2 * AST.xypic.thickness, r:0, d:0, u:0.147 * scale }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
var t = AST.xypic.thickness;
var hshift = xypic.em2px(2 * t);
svg.createSVGElement("path", {
d:"M" + (-hshift) + ",0 Q" + (xypic.em2px(-0.222 * scale) - hshift) + "," + xypic.em2px(-0.020 * scale) + " " + (xypic.em2px(-0.489 * scale) - hshift) + "," + xypic.em2px(-0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
}
});
// @_{>>}
xypic.Shape.LowerGTGTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0.489 * scale + 2 * AST.xypic.thickness, r:0, d:0.147 * scale, u:0 }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
var t = AST.xypic.thickness;
var hshift = xypic.em2px(2 * t);
svg.createSVGElement("path", {
d:"M" + (-hshift) + ",0 Q" + (xypic.em2px(-0.222 * scale) - hshift) + "," + xypic.em2px(0.020 * scale) + " " + (xypic.em2px(-0.489 * scale) - hshift) + "," + xypic.em2px(0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @2{>>}
xypic.Shape.GTGT2ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0.456 * scale + 2 * AST.xypic.thickness, r:0, d:0.229 * scale, u:0.229 * scale }; },
getRadius: function () {
var scale = xypic.oneem;
return 0.213 * scale;
},
drawDelegate: function (svg) {
var scale = xypic.oneem;
var t = AST.xypic.thickness;
var gu1 = svg.createGroup(svg.transformBuilder().rotateDegree(-10));
var gd1 = svg.createGroup(svg.transformBuilder().rotateDegree(10));
gu1.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
gd1.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + ","+xypic.em2px(0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
var gu2 = svg.createGroup(svg.transformBuilder().translate(-2 * t, 0).rotateDegree(-10));
var gd2 = svg.createGroup(svg.transformBuilder().translate(-2 * t, 0).rotateDegree(10));
gu2.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
gd2.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + ","+xypic.em2px(0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @3{>>}
xypic.Shape.GTGT3ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0.507 * scale + 2 * AST.xypic.thickness, r:0, d:0.268 * scale, u:0.268 * scale }; },
getRadius: function () {
var scale = xypic.oneem;
return 0.325 * scale;
},
drawDelegate: function (svg) {
var scale = xypic.oneem;
var t = AST.xypic.thickness;
var gu1 = svg.createGroup(svg.transformBuilder().rotateDegree(-15));
var gd1 = svg.createGroup(svg.transformBuilder().rotateDegree(15));
gu1.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
gd1.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + ","+xypic.em2px(0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
var gu2 = svg.createGroup(svg.transformBuilder().translate(-2 * t, 0).rotateDegree(-15));
var gd2 = svg.createGroup(svg.transformBuilder().translate(-2 * t, 0).rotateDegree(15));
gu2.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
gd2.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + ","+xypic.em2px(0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
svg.createSVGElement("line", {
x1:0, y1:0, x2:xypic.em2px(-0.507 * scale - 2 * t), y2:0
});
}
});
// @{<<}
xypic.Shape.LTLTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0, r:0.489 * scale + 2 * AST.xypic.thickness, d:0.147 * scale, u:0.147 * scale }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
var t = AST.xypic.thickness;
var hshift = xypic.em2px(2 * t);
svg.createSVGElement("path", {
d:"M" + hshift + ",0 Q" + (xypic.em2px(0.222 * scale) + hshift) + "," + xypic.em2px(-0.020 * scale) + " " + (xypic.em2px(0.489 * scale) + hshift) + "," + xypic.em2px(-0.147 * scale)
});
svg.createSVGElement("path", {
d:"M" + hshift + ",0 Q" + (xypic.em2px(0.222 * scale) + hshift) + "," + xypic.em2px(0.020 * scale) + " " + (xypic.em2px(0.489 * scale) + hshift) + "," + xypic.em2px(0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @^{<<}
xypic.Shape.UpperLTLTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0, r:0.489 * scale + 2 * AST.xypic.thickness, d:0, u:0.147 * scale }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
var t = AST.xypic.thickness;
var hshift = xypic.em2px(2 * t);
svg.createSVGElement("path", {
d:"M" + hshift + ",0 Q" + (xypic.em2px(0.222 * scale) + hshift) + "," + xypic.em2px(-0.020 * scale) + " " + (xypic.em2px(0.489 * scale) + hshift) + "," + xypic.em2px(-0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
}
});
// @_{<<}
xypic.Shape.LowerLTLTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0, r:0.489 * scale + 2 * AST.xypic.thickness, d:0.147 * scale, u:0 }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
var t = AST.xypic.thickness;
var hshift = xypic.em2px(2 * t);
svg.createSVGElement("path", {
d:"M" + hshift + ",0 Q" + (xypic.em2px(0.222 * scale) + hshift) + "," + xypic.em2px(0.020 * scale) + " " + (xypic.em2px(0.489 * scale) + hshift) + "," + xypic.em2px(0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @2{<<}
xypic.Shape.LTLT2ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0, r:0.456 + scale + 2 * AST.xypic.thickness, d:0.229 * scale, u:0.229 * scale }; },
getRadius: function () {
var scale = xypic.oneem;
return 0.213 * scale;
},
drawDelegate: function (svg) {
var scale = xypic.oneem;
var t = AST.xypic.thickness;
var gu1 = svg.createGroup(svg.transformBuilder().translate(2 * t, 0).rotateDegree(10));
var gd1 = svg.createGroup(svg.transformBuilder().translate(2 * t, 0).rotateDegree(-10));
gu1.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
gd1.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
var gu2 = svg.createGroup(svg.transformBuilder().rotateDegree(10));
var gd2 = svg.createGroup(svg.transformBuilder().rotateDegree(-10));
gu2.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
gd2.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @3{<<}
xypic.Shape.LTLT3ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0, r:0.507 * scale + 2 * AST.xypic.thickness, d:0.268 * scale, u:0.268 * scale }; },
getRadius: function () {
var scale = xypic.oneem;
return 0.325 * scale;
},
drawDelegate: function (svg) {
var scale = xypic.oneem;
var t = AST.xypic.thickness;
var gu1 = svg.createGroup(svg.transformBuilder().translate(2 * t, 0).rotateDegree(15));
var gd1 = svg.createGroup(svg.transformBuilder().translate(2 * t, 0).rotateDegree(-15));
gu1.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
gd1.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
var gu2 = svg.createGroup(svg.transformBuilder().rotateDegree(15));
var gd2 = svg.createGroup(svg.transformBuilder().rotateDegree(-15));
gu2.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
gd2.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
svg.createSVGElement("line", {
x1:0, y1:0, x2:xypic.em2px(0.507 * scale + 2 * t), y2:0
});
}
});
// @{||}
xypic.Shape.ColumnColumnArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:AST.xypic.thickness, r:0, u:0.5 * AST.xypic.lineElementLength, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var l = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:l, x2:0, y2:-l
});
svg.createSVGElement("line", {
x1:-xypic.em2px(t), y1:l, x2:-xypic.em2px(t), y2:-l
});
}
});
// @^{||}
xypic.Shape.UpperColumnColumnArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:AST.xypic.thickness, r:0, u:AST.xypic.lineElementLength, d:0 }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var l = xypic.em2px(AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:0, x2:0, y2:-l
});
svg.createSVGElement("line", {
x1:-xypic.em2px(t), y1:0, x2:-xypic.em2px(t), y2:-l
});
}
});
// @_{||}
xypic.Shape.LowerColumnColumnArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:AST.xypic.thickness, r:0, u:0, d:AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var l = xypic.em2px(AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:0, x2:0, y2:l
});
svg.createSVGElement("line", {
x1:-xypic.em2px(t), y1:0, x2:-xypic.em2px(t), y2:l
});
}
});
// @2{||}
xypic.Shape.ColumnColumn2ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:AST.xypic.thickness, r:0, u:0.5 * (AST.xypic.lineElementLength + AST.xypic.thickness), d:0.5 * (AST.xypic.lineElementLength + AST.xypic.thickness) }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var l = xypic.em2px(0.5 * (AST.xypic.lineElementLength + AST.xypic.thickness));
svg.createSVGElement("line", {
x1:0, y1:l, x2:0, y2:-l
});
svg.createSVGElement("line", {
x1:-xypic.em2px(t), y1:l, x2:-xypic.em2px(t), y2:-l
});
}
});
// @3{||}
xypic.Shape.ColumnColumn3ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:AST.xypic.thickness, r:0, u:0.5 * AST.xypic.lineElementLength + AST.xypic.thickness, d:0.5 * AST.xypic.lineElementLength + AST.xypic.thickness }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var t = AST.xypic.thickness;
var l = xypic.em2px(0.5 * AST.xypic.lineElementLength + AST.xypic.thickness);
svg.createSVGElement("line", {
x1:0, y1:l, x2:0, y2:-l
});
svg.createSVGElement("line", {
x1:-xypic.em2px(t), y1:l, x2:-xypic.em2px(t), y2:-l
});
}
});
// @{|-}
xypic.Shape.ColumnLineArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:AST.xypic.lineElementLength, u:0.5 * AST.xypic.lineElementLength, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var l = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:l, x2:0, y2:-l
});
var lineLen = xypic.em2px(AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:0, x2:lineLen, y2:0
});
}
});
// @^{|-}
xypic.Shape.UpperColumnLineArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:AST.xypic.lineElementLength, u:AST.xypic.lineElementLength, d:0 }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var l = xypic.em2px(AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:0, x2:0, y2:-l
});
var lineLen = xypic.em2px(AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:0, x2:lineLen, y2:0
});
}
});
// @_{|-}
xypic.Shape.LowerColumnLineArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:AST.xypic.lineElementLength, u:0, d:AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var l = xypic.em2px(AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:0, x2:0, y2:l
});
var lineLen = xypic.em2px(AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:0, x2:lineLen, y2:0
});
}
});
// @2{|-}
xypic.Shape.ColumnLine2ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:AST.xypic.lineElementLength, u:0.5 * (AST.xypic.lineElementLength + AST.xypic.thickness), d:0.5 * (AST.xypic.lineElementLength + AST.xypic.thickness) }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var l = xypic.em2px(0.5 * (AST.xypic.lineElementLength + AST.xypic.thickness));
svg.createSVGElement("line", {
x1:0, y1:-l, x2:0, y2:l
});
var vshift = xypic.em2px(0.5 * t);
var lineLen = xypic.em2px(AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:vshift, x2:lineLen, y2:vshift
});
svg.createSVGElement("line", {
x1:0, y1:-vshift, x2:lineLen, y2:-vshift
});
}
});
// @3{|-}
xypic.Shape.ColumnLine3ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:0, r:AST.xypic.lineElementLength, u:0.5 * AST.xypic.lineElementLength + AST.xypic.thickness, d:0.5 * AST.xypic.lineElementLength + AST.xypic.thickness }; },
drawDelegate: function (svg) {
var t = AST.xypic.thickness;
var l = xypic.em2px(0.5 * AST.xypic.lineElementLength + AST.xypic.thickness);
svg.createSVGElement("line", {
x1:0, y1:-l, x2:0, y2:l
});
var lineLen = xypic.em2px(AST.xypic.lineElementLength);
var vshift = xypic.em2px(t);
svg.createSVGElement("line", {
x1:0, y1:vshift, x2:lineLen, y2:vshift
});
svg.createSVGElement("line", {
x1:0, y1:0, x2:lineLen, y2:0
});
svg.createSVGElement("line", {
x1:0, y1:-vshift, x2:lineLen, y2:-vshift
});
}
});
// @{>|}
xypic.Shape.GTColumnArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0.489 * scale, r:0, u:0.5 * AST.xypic.lineElementLength, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
var l = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:l, x2:0, y2:-l
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
}
});
// @{>>|}
xypic.Shape.GTGTColumnArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0.489 * scale + 2 * AST.xypic.thickness, r:0, u:0.5 * AST.xypic.lineElementLength, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
var t = AST.xypic.thickness;
var l = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:l, x2:0, y2:-l
});
var hshift = xypic.em2px(2 * t);
svg.createSVGElement("path", {
d:"M" + (-hshift) + ",0 Q" + (xypic.em2px(-0.222 * scale) - hshift) + "," + xypic.em2px(0.020 * scale) + " " + (xypic.em2px(-0.489 * scale) - hshift) + "," + xypic.em2px(0.147 * scale)
});
svg.createSVGElement("path", {
d:"M" + (-hshift) + ",0 Q" + (xypic.em2px(-0.222 * scale) - hshift) + "," + xypic.em2px(-0.020 * scale) + " " + (xypic.em2px(-0.489 * scale) - hshift) + "," + xypic.em2px(-0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
}
});
// @{|<}
xypic.Shape.ColumnLTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0, r:0.489 * scale, u:0.5 * AST.xypic.lineElementLength, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
var t = AST.xypic.thickness;
var l = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:l, x2:0, y2:-l
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @{|<<}
xypic.Shape.ColumnLTLTArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:0, r:0.489 * scale + 2 * AST.xypic.thickness, u:0.5 * AST.xypic.lineElementLength, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
var t = AST.xypic.thickness;
var l = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:l, x2:0, y2:-l
});
var hshift = xypic.em2px(2 * t);
svg.createSVGElement("path", {
d:"M" + hshift + ",0 Q" + (xypic.em2px(0.222 * scale) + hshift) + "," + xypic.em2px(-0.020 * scale) + " " + (xypic.em2px(0.489 * scale) + hshift) + "," + xypic.em2px(-0.147 * scale)
});
svg.createSVGElement("path", {
d:"M" + hshift + ",0 Q" + (xypic.em2px(0.222 * scale) + hshift) + "," + xypic.em2px(0.020 * scale) + " " + (xypic.em2px(0.489 * scale) + hshift) + "," + xypic.em2px(0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
svg.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(0.222 * scale) + "," + xypic.em2px(0.020 * scale) + " " + xypic.em2px(0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
}
});
// @{//}
xypic.Shape.SlashSlashArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle - Math.PI / 10;
memoize(this, "getBoundingBox");
},
getBox: function () { return { l:AST.xypic.thickness, r:0, u:0.5 * AST.xypic.lineElementLength, d:0.5 * AST.xypic.lineElementLength }; },
drawDelegate: function (svg) {
var hshift = xypic.em2px(AST.xypic.thickness);
var halfLenPx = xypic.em2px(0.5 * AST.xypic.lineElementLength);
svg.createSVGElement("line", {
x1:0, y1:halfLenPx, x2:0, y2:-halfLenPx
});
svg.createSVGElement("line", {
x1:-hshift, y1:halfLenPx, x2:-hshift, y2:-halfLenPx
});
}
});
// @{=>}
xypic.Shape.LineGT2ArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:AST.xypic.lineElementLength, r:AST.xypic.lineElementLength, d:0.229 * scale, u:0.229 * scale }; },
getRadius: function () {
var scale = xypic.oneem;
return 0.213 * scale;
},
drawDelegate: function (svg) {
var scale = xypic.oneem;
var halfLen = AST.xypic.lineElementLength;
var hshift = xypic.em2px(halfLen);
var v = 0.5 * AST.xypic.thickness;
var vshift = xypic.em2px(v);
var r = this.getRadius();
var delta = xypic.em2px(Math.sqrt(r * r - v * v));
var gu = svg.createGroup(svg.transformBuilder().translate(halfLen, 0).rotateDegree(-10));
var gd = svg.createGroup(svg.transformBuilder().translate(halfLen, 0).rotateDegree(10));
gu.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + "," + xypic.em2px(-0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(-0.147 * scale)
});
gd.createSVGElement("path", {
d:"M0,0 Q" + xypic.em2px(-0.222 * scale) + ","+xypic.em2px(0.020 * scale) + " " + xypic.em2px(-0.489 * scale) + "," + xypic.em2px(0.147 * scale)
});
svg.createSVGElement("path", {
d:"M" + (-hshift) + "," + vshift + " L" + (hshift - delta) + "," + vshift +
" M" + (-hshift) + "," + (-vshift) + " L" + (hshift - delta) + "," + (-vshift)
});
}
});
// twocell equality arrow
xypic.Shape.TwocellEqualityArrowheadShape = xypic.Shape.ArrowheadShape.Subclass({
Init: function (c, angle) {
this.c = c;
this.angle = angle;
memoize(this, "getBoundingBox");
},
getBox: function () { var scale = xypic.oneem; return { l:AST.xypic.lineElementLength, r:AST.xypic.lineElementLength, d:0.5 * AST.xypic.thickness, u:0.5 * AST.xypic.thickness }; },
drawDelegate: function (svg) {
var scale = xypic.oneem;
var hshift = xypic.em2px(AST.xypic.lineElementLength);
var vshift = xypic.em2px(0.5 * AST.xypic.thickness);
svg.createSVGElement("path", {
d:"M" + (-hshift) + "," + vshift + " L" + hshift + "," + vshift +
" M" + (-hshift) + "," + (-vshift) + " L" + hshift + "," + (-vshift)
});
}
});
xypic.Shape.LineShape = xypic.Shape.Subclass({
Init: function (line, object, main, variant, bbox) {
this.line = line;
this.object = object;
this.main = main;
this.variant = variant;
this.bbox = bbox;
this.holeRanges = FP.List.empty;
},
sliceHole: function (range) {
this.holeRanges = this.holeRanges.prepend(range);
},
draw: function (svg) {
this.line.drawLine(svg, this.object, this.main, this.variant, this.holeRanges);
},
getBoundingBox: function () {
return this.bbox;
},
toString: function () {
return "LineShape[line:" + this.line + ", object:" + this.object + ", main:" + this.main + ", variant:" + this.variant + "]";
}
});
xypic.Shape.CurveShape = xypic.Shape.Subclass({
Init: function (curve, objectForDrop, objectForConnect, bbox) {
this.curve = curve;
this.objectForDrop = objectForDrop;
this.objectForConnect = objectForConnect;
this.bbox = bbox;
this.holeRanges = FP.List.empty;
},
sliceHole: function (range) {
this.holeRanges = this.holeRanges.prepend(range);
},
draw: function (svg) {
this.curve.drawCurve(svg, this.objectForDrop, this.objectForConnect, this.holeRanges);
},
getBoundingBox: function () {
return this.bbox;
},
toString: function () {
return "CurveShape[curve" + this.curve + ", objectForDrop:" + (this.objectForDrop !== undefined? this.objectForDrop.toString() : "null") + ", objectForConnect:" + (this.objectForConnect !== undefined? this.objectForConnect.toString() : "null") + "]";
}
});
xypic.Curve = MathJax.Object.Subclass({
velocity: function (t) {
var dx = this.dpx(t);
var dy = this.dpy(t);
return Math.sqrt(dx*dx+dy*dy);
},
length: function (t) {
if (t < 0 || t > 1) {
throw xypic.ExecutionError("illegal cubic Bezier parameter t:"+t);
}
this.buildLengthArray();
var n = AST.xypic.lengthResolution;
var tn = t*n;
var f = Math.floor(tn);
var c = Math.ceil(tn);
if (f === c) {
return this.lengthArray[f];
}
var sf = this.lengthArray[f];
var sc = this.lengthArray[c];
return sf + (sc-sf)/(c-f)*(tn-f); // linear interpolation
},
tOfLength: function (s) {
this.buildLengthArray();
var a = this.lengthArray;
if (s < a[0]) {
return 0;
} else if (s > a[a.length - 1]) {
return 1;
}
var m, al, ah;
var l = 0;
var r = a.length-2;
while (l <= r) {
m = (l + r) >> 1;
al = a[m];
ah = a[m+1];
if (s >= al && s <= ah) {
break;
}
if (s < al) {
r = m-1;
} else {
l = m+1;
}
}
var n = AST.xypic.lengthResolution;
if (al === ah) {
return m/n;
}
var t = (m + (s-al)/(ah-al))/n;
return t;
},
tOfShavedStart: function (frame) {
if (frame.isPoint()) {
return 0; // trivial
}
var ts = this.tOfIntersections(frame);
if (ts.length == 0) {
return undefined; // No solution.
}
return Math.min.apply(Math, ts);
},
tOfShavedEnd: function (frame) {
if (frame.isPoint()) {
return 1; // trivial
}
var ts = this.tOfIntersections(frame);
if (ts.length == 0) {
return undefined; // No solution.
}
return Math.max.apply(Math, ts);
},
shaveStart: function (frame) {
if (frame.isPoint()) {
return this; // trivial
}
var ts = this.tOfIntersections(frame);
if (ts.length == 0) {
return undefined; // No solution.
}
var t = Math.min.apply(Math, ts);
return this.divide(t)[1];
},
shaveEnd: function (frame) {
if (frame.isPoint()) {
return this; // trivial
}
var ts = this.tOfIntersections(frame);
if (ts.length == 0) {
return undefined; // No solution.
}
var t = Math.max.apply(Math, ts);
return this.divide(t)[0];
},
buildLengthArray: function () {
if (this.lengthArray !== undefined) {
return;
}
var n = AST.xypic.lengthResolution;
// lengthArray[i]: \int_0^{t_{2i}} v(t) dt with Simpson's rule, (i=0, 1, \cdots, n)
// where, t_k=k h, h=1/(2n): step length.
var lengthArray = new Array(n+1);
var sum = 0;
var h = 1/2/n;
var i = 0;
var delta = h/3;
lengthArray[0] = 0;
sum = this.velocity(0) + 4*this.velocity(h);
lastv = this.velocity(2*h);
lengthArray[1] = delta*(sum + lastv);
for (i = 2; i <= n; i++) {
sum += 2*lastv + 4*this.velocity((2*i-1)*h);
lastv = this.velocity(2*i*h);
lengthArray[i] = delta*(sum + lastv);
}
this.lengthArray = lengthArray;
},
drawParallelCurve: function (svg, vshift) {
var i, n = this.countOfSegments() * AST.xypic.interpolationResolution;
var ts = new Array(n+1);
var x1s = new Array(n+1);
var y1s = new Array(n+1);
var x2s = new Array(n+1);
var y2s = new Array(n+1);
var hpi = Math.PI/2;
var d = vshift;
var t, angle, p, x, y, dc, ds;
for (i = 0; i <= n; i++) {
t = i/n;
ts[i] = t; // TODO: 高速化。ts[i+1]-ts[i]が定数の場合に特化した作りにする。
angle = this.angle(t);
p = this.position(t);
x = p.x;
y = p.y;
dc = d*Math.cos(angle+hpi);
ds = d*Math.sin(angle+hpi);
x1s[i] = x+dc;
y1s[i] = y+ds;
x2s[i] = x-dc;
y2s[i] = y-ds;
}
xypic.Curve.CubicBeziers.interpolation(ts, x1s, y1s).drawPrimitive(svg, "none");
xypic.Curve.CubicBeziers.interpolation(ts, x2s, y2s).drawPrimitive(svg, "none");
},
drawParallelDottedCurve: function (svg, spacing, vshift) {
var px = 1/xypic.em, hpx = px/2;
var sp = px + spacing;
var len = this.length(1);
var n = Math.floor((len-px)/sp);
var d = vshift;
if (n >= 0) {
var i, hpi = Math.PI/2;
var s = this.startPosition(), e = this.endPosition();
for (i = 0; i <= n; i++) {
var s = hpx + i*sp;
// TODO: 高速化。毎回二分探索せず、端から線形探索・適用するようにする。
var t = this.tOfLength(s);
var angle = this.angle(t);
var p = this.position(t);
var x = p.x, y = p.y
var dc = d*Math.cos(angle+hpi), ds = d*Math.sin(angle+hpi);
svg.createSVGElement("circle", {
cx:xypic.em2px(x+dc), cy:-xypic.em2px(y+ds), r:0.12,
fill: "currentColor"
});
svg.createSVGElement("circle", {
cx:xypic.em2px(x-dc), cy:-xypic.em2px(y-ds), r:0.12,
fill: "currentColor"
});
}
}
},
drawParallelDashedCurve: function (svg, dash, vshift) {
var len = this.length(1);
var n = Math.floor((len-dash)/(2*dash)), m = 2*n+1;
var hshift = (len-dash)/2-n*dash;
var i;
var ts = new Array(n+1);
var x1s = new Array(n+1);
var y1s = new Array(n+1);
var x2s = new Array(n+1);
var y2s = new Array(n+1);
var hpi = Math.PI/2;
var d = vshift;
var t, angle, p, x, y, dc, ds;
for (i = 0; i <= m; i++) {
// TODO: 高速化。毎回二分探索せず、端から線形探索・適用するようにする。
t = this.tOfLength(hshift + i*dash);
ts[i] = t;
angle = this.angle(t);
p = this.position(t);
x = p.x;
y = p.y;
dc = d*Math.cos(angle+hpi);
ds = d*Math.sin(angle+hpi);
x1s[i] = x+dc;
y1s[i] = y+ds;
x2s[i] = x-dc;
y2s[i] = y-ds;
}
xypic.Curve.CubicBeziers.interpolation(ts, x1s, y1s).drawSkipped(svg);
xypic.Curve.CubicBeziers.interpolation(ts, x2s, y2s).drawSkipped(svg);
},
drawSquigCurve: function (svg, variant) {
var thickness = xypic.length2em("0.15em");
var len = this.length(1);
var wave = 4*thickness;
var amp = thickness;
if (len >= wave) {
var n = Math.floor(len/wave);
var shiftLen = (len-n*wave)/2;
var s, t, p, angle, nx, ny, hpi = Math.PI/2, d1, d2, d3;
switch (variant) {
case "3":
s = shiftLen;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 = "M"+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d2 = "M"+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
d3 = "M"+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
for (var i = 0; i < n; i++) {
s = shiftLen + wave*i + thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 += " Q"+xypic.em2px(p.x+2*nx)+","+xypic.em2px(-p.y-2*ny);
d2 += " Q"+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d3 += " Q"+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
s = shiftLen + wave*i + 2*thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 += " "+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d2 += " "+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
d3 += " "+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
s = shiftLen + wave*i + 3*thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 += " Q"+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
d2 += " Q"+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
d3 += " "+xypic.em2px(p.x-2*nx)+","+xypic.em2px(-p.y+2*ny);
s = shiftLen + wave*(i+1);
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 += " "+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d2 += " "+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
d3 += " "+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
}
svg.createSVGElement("path", {"d":d1});
svg.createSVGElement("path", {"d":d2});
svg.createSVGElement("path", {"d":d3});
break;
case "2":
s = shiftLen;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi)/2;
ny = amp*Math.sin(angle+hpi)/2;
d1 = "M"+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d2 = "M"+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
for (var i = 0; i < n; i++) {
s = shiftLen + wave*i + thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi)/2;
ny = amp*Math.sin(angle+hpi)/2;
d1 += " Q"+xypic.em2px(p.x+3*nx)+","+xypic.em2px(-p.y-3*ny);
d2 += " Q"+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
s = shiftLen + wave*i + 2*thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi)/2;
ny = amp*Math.sin(angle+hpi)/2;
d1 += " "+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d2 += " "+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
s = shiftLen + wave*i + 3*thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi)/2;
ny = amp*Math.sin(angle+hpi)/2;
d1 += " Q"+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
d2 += " Q"+xypic.em2px(p.x-3*nx)+","+xypic.em2px(-p.y+3*ny);
s = shiftLen + wave*(i+1);
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi)/2;
ny = amp*Math.sin(angle+hpi)/2;
d1 += " "+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d2 += " "+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
}
svg.createSVGElement("path", {"d":d1});
svg.createSVGElement("path", {"d":d2});
break;
default:
s = shiftLen;
t = this.tOfLength(s);
p = this.position(t);
d1 = "M"+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
for (var i = 0; i < n; i++) {
s = shiftLen + wave*i + thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 += " Q"+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
s = shiftLen + wave*i + 2*thickness;
t = this.tOfLength(s);
p = this.position(t);
d1 += " "+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
s = shiftLen + wave*i + 3*thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 += " Q"+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
s = shiftLen + wave*(i+1);
t = this.tOfLength(s);
p = this.position(t);
d1 += " "+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
}
svg.createSVGElement("path", {"d":d1});
}
}
},
drawDashSquigCurve: function (svg, variant) {
var thickness = AST.xypic.thickness;
var len = this.length(1);
var wave = 4*thickness;
var amp = thickness;
if (len >= wave) {
var n = Math.floor((len-wave)/2/wave);
var shiftLen = (len-wave)/2-n*wave;
var s, t, p, angle, nx, ny, hpi = Math.PI/2, d1, d2, d3;
switch (variant) {
case "3":
d1 = d2 = d3 = "";
for (var i = 0; i <= n; i++) {
s = shiftLen + wave*i*2;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 += " M"+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d2 += " M"+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
d3 += " M"+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
s = shiftLen + wave*i*2 + thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 += " Q"+xypic.em2px(p.x+2*nx)+","+xypic.em2px(-p.y-2*ny);
d2 += " Q"+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d3 += " Q"+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
s = shiftLen + wave*i*2 + 2*thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 += " "+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d2 += " "+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
d3 += " "+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
s = shiftLen + wave*i*2 + 3*thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 += " Q"+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
d2 += " Q"+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
d3 += " "+xypic.em2px(p.x-2*nx)+","+xypic.em2px(-p.y+2*ny);
s = shiftLen + wave*(i*2+1);
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 += " "+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d2 += " "+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
d3 += " "+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
}
svg.createSVGElement("path", {"d":d1});
svg.createSVGElement("path", {"d":d2});
svg.createSVGElement("path", {"d":d3});
break;
case "2":
d1 = d2 = "";
for (var i = 0; i <= n; i++) {
s = shiftLen + wave*i*2;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi)/2;
ny = amp*Math.sin(angle+hpi)/2;
d1 += " M"+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d2 += " M"+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
s = shiftLen + wave*i*2 + thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi)/2;
ny = amp*Math.sin(angle+hpi)/2;
d1 += " Q"+xypic.em2px(p.x+3*nx)+","+xypic.em2px(-p.y-3*ny);
d2 += " Q"+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
s = shiftLen + wave*i*2 + 2*thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi)/2;
ny = amp*Math.sin(angle+hpi)/2;
d1 += " "+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d2 += " "+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
s = shiftLen + wave*i*2 + 3*thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi)/2;
ny = amp*Math.sin(angle+hpi)/2;
d1 += " Q"+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
d2 += " Q"+xypic.em2px(p.x-3*nx)+","+xypic.em2px(-p.y+3*ny);
s = shiftLen + wave*(i*2+1);
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi)/2;
ny = amp*Math.sin(angle+hpi)/2;
d1 += " "+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
d2 += " "+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
}
svg.createSVGElement("path", {"d":d1});
svg.createSVGElement("path", {"d":d2});
break;
default:
d1 = "";
for (var i = 0; i <= n; i++) {
s = shiftLen + wave*i*2;
t = this.tOfLength(s);
p = this.position(t);
d1 += " M"+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
s = shiftLen + wave*i*2 + thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 += " Q"+xypic.em2px(p.x+nx)+","+xypic.em2px(-p.y-ny);
s = shiftLen + wave*i*2 + 2*thickness;
t = this.tOfLength(s);
p = this.position(t);
d1 += " "+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
s = shiftLen + wave*i*2 + 3*thickness;
t = this.tOfLength(s);
p = this.position(t);
angle = this.angle(t);
nx = amp*Math.cos(angle+hpi);
ny = amp*Math.sin(angle+hpi);
d1 += " Q"+xypic.em2px(p.x-nx)+","+xypic.em2px(-p.y+ny);
s = shiftLen + wave*(i*2+1);
t = this.tOfLength(s);
p = this.position(t);
d1 += " "+xypic.em2px(p.x)+","+xypic.em2px(-p.y);
}
svg.createSVGElement("path", {"d":d1});
}
}
},
drawCurve: function (svg, objectForDrop, objectForConnect, holeRanges) {
if (holeRanges.isEmpty) {
this._drawCurve(svg, objectForDrop, objectForConnect);
} else {
var clippingRanges = xypic.Range(0, 1).differenceRanges(holeRanges);
var self = this;
clippingRanges.foreach(function (range) {
self.slice(range.start, range.end)._drawCurve(svg, objectForDrop, objectForConnect);
});
}
},
_drawCurve: function (svg, objectForDrop, objectForConnect) {
var thickness = xypic.length2em("0.15em");
var vshift;
if (objectForConnect !== undefined) {
var main = objectForConnect.dirMain();
var variant = objectForConnect.dirVariant();
switch (main) {
case "=":
main = "-";
variant = "2";
break;
case "==":
main = "--";
variant = "2";
break;
case ':':
case '::':
main = ".";
variant = "2";
break;
}
switch (main) {
case '':
// draw nothing.
break;
case '-':
switch (variant) {
case "2":
vshift = thickness/2;
this.drawParallelCurve(svg, vshift);
break;
case "3":
vshift = thickness;
this.drawParallelCurve(svg, vshift);
this.drawPrimitive(svg, "none");
break;
default:
vshift = 0;
this.drawPrimitive(svg, "none");
}
break;
case '.':
case '..':
switch (variant) {
case "2":
vshift = thickness/2;
this.drawParallelDottedCurve(svg, thickness, vshift)
break;
case "3":
vshift = thickness;
this.drawParallelDottedCurve(svg, thickness, vshift)
this.drawPrimitive(svg, AST.xypic.dottedDasharray);
break;
default:
vshift = 0;
this.drawPrimitive(svg, AST.xypic.dottedDasharray);
break;
}
break;
case '--':
var dash = 3 * thickness;
var len = this.length(1);
if (len >= dash) {
switch (variant) {
case "2":
vshift = thickness / 2;
this.drawParallelDashedCurve(svg, dash, vshift);
break;
case "3":
vshift = thickness;
this.drawParallelDashedCurve(svg, dash, vshift);
var shiftLen = (len - dash) / 2 - Math.floor((len - dash) / 2 / dash) * dash;
var shiftT = this.tOfLength(shiftLen);
var shifted = this.divide(shiftT)[1];
shifted.drawPrimitive(svg, xypic.em2px(dash) + " " + xypic.em2px(dash))
break;
default:
vshift = 0;
var shiftLen = (len - dash) / 2 - Math.floor((len - dash) / 2 / dash) * dash;
var shiftT = this.tOfLength(shiftLen);
var shifted = this.divide(shiftT)[1];
shifted.drawPrimitive(svg, xypic.em2px(dash) + " " + xypic.em2px(dash));
}
}
break;
case '~':
this.drawSquigCurve(svg, variant);
switch (variant) {
case "2":
vshift = 1.5 * thickness;
break;
case "3":
vshift = 2 * thickness;
break;
default:
vshift = 0
}
break;
case '~~':
this.drawDashSquigCurve(svg, variant);
switch (variant) {
case "2":
vshift = 1.5 * thickness;
break;
case "3":
vshift = 2 * thickness;
break;
default:
vshift = 0
}
break;
default:
// TODO: ~* と ~** の順序を考慮する。
var dummyEnv = xypic.Env();
dummyEnv.c = xypic.Env.originPosition;
var dummyContext = xypic.DrawingContext(xypic.Shape.none, dummyEnv);
var conBBox = objectForConnect.boundingBox(dummyContext);
if (conBBox == undefined) {
return;
}
var cl = conBBox.l;
var conLen = cl + conBBox.r;
var dropLen, dl;
if (objectForDrop !== undefined) {
var dropBBox = objectForDrop.boundingBox(dummyContext);
if (dropBBox !== undefined) {
dl = dropBBox.l;
dropLen = dl + dropBBox.r;
}
} else {
dropLen = 0;
}
var compositeLen = conLen + dropLen;
if (compositeLen == 0) {
compositeLen = AST.xypic.strokeWidth;
}
var len = this.length(1);
var n = Math.floor(len / compositeLen);
if (n == 0) {
return;
}
var shiftLen = (len - n * compositeLen) / 2;
var dummyContext = xypic.DrawingContext(xypic.Shape.none, dummyEnv);
var s, t;
for (var i = 0; i < n; i++) {
s = shiftLen + i * compositeLen;
if (objectForDrop !== undefined) {
t = this.tOfLength(s + dl);
dummyEnv.c = this.position(t);
dummyEnv.angle = this.angle(t);
objectForDrop.toDropShape(dummyContext).draw(svg);
}
t = this.tOfLength(s + dropLen + cl);
dummyEnv.c = this.position(t);
dummyEnv.angle = this.angle(t);
bbox = objectForConnect.toDropShape(dummyContext).draw(svg);
}
}
} else {
var dummyEnv = xypic.Env();
dummyEnv.c = xypic.Env.originPosition;
var dummyContext = xypic.DrawingContext(xypic.Shape.none, dummyEnv);
var object = objectForDrop;
var objectBBox = object.boundingBox(dummyContext);
if (objectBBox === undefined) {
return;
}
var objectWidth = objectBBox.l + objectBBox.r;
var objectLen = objectWidth;
if (objectLen == 0) {
objectLen = AST.xypic.strokeWidth;
}
var len = this.length(1);
var n = Math.floor(len / objectLen);
if (n == 0) {
return;
}
var shiftLen = (len - n * objectLen + objectLen - objectWidth) / 2 + objectBBox.l;
var dummyContext = xypic.DrawingContext(xypic.Shape.none, dummyEnv);
for (var i = 0; i < n; i++) {
var s = shiftLen + i * objectLen;
var t = this.tOfLength(s);
dummyEnv.c = this.position(t);
dummyEnv.angle = 0;
object.toDropShape(dummyContext).draw(svg);
}
}
},
toShape: function (context, objectForDrop, objectForConnect) {
var env = context.env;
var thickness = xypic.length2em("0.15em");
var shape = xypic.Shape.none;
var vshift;
if (objectForConnect !== undefined) {
var main = objectForConnect.dirMain();
var variant = objectForConnect.dirVariant();
switch (main) {
case "=":
main = "-";
variant = "2";
break;
case "==":
main = "--";
variant = "2";
break;
case ':':
case '::':
main = ".";
variant = "2";
break;
}
switch (main) {
case '':
vshift = 0;
break;
case '-':
case '.':
case '..':
switch (variant) {
case "2":
vshift = thickness / 2;
break;
case "3":
vshift = thickness;
break;
default:
vshift = 0;
break;
}
break;
case '--':
var dash = 3 * thickness;
var len = this.length(1);
if (len >= dash) {
switch (variant) {
case "2":
vshift = thickness / 2;
break;
case "3":
vshift = thickness;
break;
default:
vshift = 0;
}
}
break;
case '~':
case '~~':
switch (variant) {
case "2":
vshift = 1.5 * thickness;
break;
case "3":
vshift = 2 * thickness;
break;
default:
vshift = 0
}
break;
default:
// TODO: ~* と ~** の順序を考慮する。
var conBBox = objectForConnect.boundingBox(context);
if (conBBox == undefined) {
env.angle = 0;
env.lastCurve = xypic.LastCurve.none;
return xypic.Shape.none;
}
vshift = Math.max(conBBox.u, conBBox.d);
var cl = conBBox.l;
var conLen = cl + conBBox.r;
var dropLen, dl;
if (objectForDrop !== undefined) {
var dropBBox = objectForDrop.boundingBox(context);
if (dropBBox !== undefined) {
dl = dropBBox.l;
dropLen = dl + dropBBox.r;
vshift = Math.max(vshift, dropBBox.u, dropBBox.d);
}
} else {
dropLen = 0;
}
var compositeLen = conLen + dropLen;
if (compositeLen == 0) {
compositeLen = AST.xypic.strokeWidth;
}
var len = this.length(1);
var n = Math.floor(len / compositeLen);
if (n == 0) {
env.angle = 0;
env.lastCurve = xypic.LastCurve.none;
return xypic.Shape.none;
}
shape = xypic.Shape.CurveShape(this, objectForDrop, objectForConnect, this.boundingBox(vshift));
context.appendShapeToFront(shape);
return shape;
}
if (vshift === undefined) {
return xypic.Shape.none;
} else {
shape = xypic.Shape.CurveShape(this, objectForDrop, objectForConnect, this.boundingBox(vshift));
context.appendShapeToFront(shape);
return shape;
}
} else if (objectForDrop !== undefined) {
var object = objectForDrop;
var objectBBox = object.boundingBox(context);
if (objectBBox == undefined) {
env.angle = 0;
env.lastCurve = xypic.LastCurve.none;
return xypic.Shape.none;
}
var objectWidth = objectBBox.l + objectBBox.r;
var objectLen = objectWidth;
if (objectLen == 0) {
objectLen = AST.xypic.strokeWidth;
}
var len = this.length(1);
var n = Math.floor(len / objectLen);
if (n == 0) {
env.angle = 0;
env.lastCurve = xypic.LastCurve.none;
return xypic.Shape.none;
}
vshift = Math.max(objectBBox.u, objectBBox.d);
shape = xypic.Shape.CurveShape(this, objectForDrop, objectForConnect, this.boundingBox(vshift));
context.appendShapeToFront(shape);
return shape;
}
return shape;
}
}, {
sign: function (x) { return x>0? 1 : (x===0? 0 : -1); },
solutionsOfCubicEq: function (a3, a2, a1, a0) {
// find solutions t in [0, 1]
if (a3 === 0) {
return xypic.Curve.solutionsOfQuadEq(a2, a1, a0);
}
var b2 = a2/3/a3, b1 = a1/a3, b0 = a0/a3;
var p = b2*b2-b1/3, q = -b0/2+b1*b2/2-b2*b2*b2;
var d = q*q-p*p*p;
if (d === 0) {
var s = Math.pow(q, 1/3);
var t0 = 2*s-b2, t1 = -s-b2;
return xypic.Curve.filterByIn0to1([t0, t1]);
} else if (d > 0) {
var u = q+xypic.Curve.sign(q)*Math.sqrt(d);
var r = xypic.Curve.sign(u)*Math.pow(Math.abs(u), 1/3);
var s = p/r;
var t = r+s-b2;
return xypic.Curve.filterByIn0to1([t]);
} else {
var r = 2*Math.sqrt(p);
var s = Math.acos(2*q/p/r);
var t0 = r*Math.cos(s/3)-b2;
var t1 = r*Math.cos((s+2*Math.PI)/3)-b2;
var t2 = r*Math.cos((s+4*Math.PI)/3)-b2;
return xypic.Curve.filterByIn0to1([t0, t1, t2]);
}
},
solutionsOfQuadEq: function (a2, a1, a0) {
// find solutions t in [0, 1]
if (a2 === 0) {
return xypic.Curve.solutionsOfLinearEq(a1, a0);
} else {
var d = a1 * a1 - 4 * a0 * a2;
if (d >= 0) {
var s = Math.sqrt(d);
var tp = (-a1 + s) / 2 / a2;
var tm = (-a1 - s) / 2 / a2;
return xypic.Curve.filterByIn0to1([tp, tm]);
} else {
return [];
}
}
},
solutionsOfLinearEq: function (a1, a0) {
// find solution t in [0, 1]
if (a1 === 0) {
return (a0 === 0? 0 : []);
}
return xypic.Curve.filterByIn0to1([-a0 / a1]);
},
filterByIn0to1: function (ts) {
var filterdTs = [];
for (var i = 0; i < ts.length; i++) {
var t = ts[i];
if (t >= 0 && t <= 1) {
filterdTs.push(t);
}
}
return filterdTs;
}
});
xypic.Curve.QuadBezier = xypic.Curve.Subclass({
Init: function (cp0, cp1, cp2) {
this.cp0 = cp0;
this.cp1 = cp1;
this.cp2 = cp2;
var a0x = cp0.x;
var a1x = 2*(cp1.x - cp0.x);
var a2x = cp2.x - 2*cp1.x + cp0.x;
this.px = function(t) { return a0x + t*a1x + t*t*a2x; }
this.dpx = function(t) { return a1x + 2*t*a2x; }
var a0y = cp0.y;
var a1y = 2*(cp1.y - cp0.y);
var a2y = cp2.y - 2*cp1.y + cp0.y;
this.py = function(t) { return a0y + t*a1y + t*t*a2y; }
this.dpy = function(t) { return a1y + 2*t*a2y; }
},
startPosition: function () {
return this.cp0;
},
endPosition: function () {
return this.cp2;
},
position: function (t) {
return xypic.Frame.Point(this.px(t), this.py(t));
},
derivative: function (t) {
return xypic.Frame.Point(this.dpx(t), this.dpy(t));
},
angle: function (t) {
return Math.atan2(this.dpy(t), this.dpx(t));
},
boundingBox: function (vshift) {
var maxMinX = this.maxMin(this.cp0.x, this.cp1.x, this.cp2.x, vshift);
var maxMinY = this.maxMin(this.cp0.y, this.cp1.y, this.cp2.y, vshift);
if (vshift === 0) {
return xypic.Frame.Rect(this.cp0.x, this.cp0.y, {
l:this.cp0.x-maxMinX.min, r:maxMinX.max-this.cp0.x,
u:maxMinY.max-this.cp0.y, d:this.cp0.y-maxMinY.min
});
} else {
var hpi = Math.PI/2;
var sx = this.cp0.x;
var sy = this.cp0.y;
var ex = this.cp2.x;
var ey = this.cp2.y;
var a0 = this.angle(0)+hpi;
var a1 = this.angle(1)+hpi;
var vc0 = vshift*Math.cos(a0), vs0 = vshift*Math.sin(a0);
var vc1 = vshift*Math.cos(a1), vs1 = vshift*Math.sin(a1);
var minX = Math.min(maxMinX.min, sx+vc0, sx-vc0, ex+vc1, ex-vc1);
var maxX = Math.max(maxMinX.max, sx+vc0, sx-vc0, ex+vc1, ex-vc1);
var minY = Math.min(maxMinY.min, sy+vs0, sy-vs0, ey+vs1, ey-vs1);
var maxY = Math.max(maxMinY.max, sy+vs0, sy-vs0, ey+vs1, ey-vs1);
return xypic.Frame.Rect(sx, sy, {
l:sx-minX, r:maxX-sx, u:maxY-sy, d:sy-minY
});
}
},
maxMin: function (x0, x1, x2, vshift) {
var max, min;
if (x0 > x2) {
max = x0;
min = x2;
} else {
max = x2;
min = x0;
}
var roundEp = xypic.Util.roundEpsilon;
var a0 = roundEp(x0);
var a1 = roundEp(x1 - x0);
var a2 = roundEp(x2 - 2*x1 + x0);
var p = function(t) { return a0 + 2*t*a1 + t*t*a2 }
var x, t;
if (a2 != 0) {
t = -a1/a2;
if (t > 0 && t < 1) {
x = p(t);
max = Math.max(max, x + vshift, x - vshift);
min = Math.min(min, x + vshift, x - vshift);
}
}
return {min:min, max:max};
},
divide: function (t) {
if (t < 0 || t > 1) {
throw xypic.ExecutionError("illegal quadratic Bezier parameter t:"+t);
}
var x0 = this.cp0.x;
var x1 = this.cp1.x;
var x2 = this.cp2.x;
var y0 = this.cp0.y;
var y1 = this.cp1.y;
var y2 = this.cp2.y;
var tx = this.px(t);
var ty = this.py(t);
var p0 = this.cp0;
var p1 = xypic.Frame.Point(x0+t*(x1-x0), y0+t*(y1-y0));
var p2 = xypic.Frame.Point(tx, ty);
var q0 = p2;
var q1 = xypic.Frame.Point(x1+t*(x2-x1), y1+t*(y2-y1));
var q2 = this.cp2;
return [
xypic.Curve.QuadBezier(p0, p1, p2),
xypic.Curve.QuadBezier(q0, q1, q2)
]
},
slice: function (t0, t1) {
if (t0 >= t1) {
return undefined;
}
if (t0 < 0) {
t0 = 0;
}
if (t1 > 1) {
t1 = 1;
}
if (t0 === 0 && t1 === 1) {
return this;
}
var x0 = this.cp0.x;
var x1 = this.cp1.x;
var x2 = this.cp2.x;
var y0 = this.cp0.y;
var y1 = this.cp1.y;
var y2 = this.cp2.y;
var q0x = this.px(t0);
var q0y = this.py(t0);
var q1x = x1 + t0 * (x2 - x1);
var q1y = y1 + t0 * (y2 - y1);
var p0 = xypic.Frame.Point(q0x, q0y);
var p1 = xypic.Frame.Point(q0x + t1 * (q1x - q0x), q0y + t1 * (q1y - q0y));
var p2 = xypic.Frame.Point(this.px(t1), this.py(t1));
return xypic.Curve.QuadBezier(p0, p1, p2);
},
tOfIntersections: function (frame) {
if (frame.isPoint()) {
return []; // CAUTION: Point does not intersect with any curves.
}
if (frame.isRect()) {
// find starting edge point
var rx = frame.x + frame.r;
var lx = frame.x - frame.l;
var uy = frame.y + frame.u;
var dy = frame.y - frame.d;
var roundEp = xypic.Util.roundEpsilon;
var x0 = this.cp0.x;
var x1 = this.cp1.x;
var x2 = this.cp2.x;
var a0x = roundEp(x0);
var a1x = roundEp(2*(x1 - x0));
var a2x = roundEp(x2 - 2*x1 + x0);
var px = function(t) { return a0x + t*a1x + t*t*a2x; }
var y0 = this.cp0.y;
var y1 = this.cp1.y;
var y2 = this.cp2.y;
var a0y = roundEp(y0);
var a1y = roundEp(2*(y1 - y0));
var a2y = roundEp(y2 - 2*y1 + y0);
var py = function(t) { return a0y + t*a1y + t*t*a2y; }
var ts = [];
var tsCandidate;
tsCandidate = xypic.Curve.solutionsOfQuadEq(a2x, a1x, a0x - rx);
tsCandidate = tsCandidate.concat(xypic.Curve.solutionsOfQuadEq(a2x, a1x, a0x - lx));
for (var i = 0; i < tsCandidate.length; i++) {
var t = tsCandidate[i];
var y = py(t);
if (y >= dy && y <= uy) {
ts.push(t);
}
}
tsCandidate = xypic.Curve.solutionsOfQuadEq(a2y, a1y, a0y - uy);
tsCandidate = tsCandidate.concat(xypic.Curve.solutionsOfQuadEq(a2y, a1y, a0y - dy));
for (var i = 0; i < tsCandidate.length; i++) {
var t = tsCandidate[i];
var x = px(t);
if (x >= lx && x <= rx) {
ts.push(t);
}
}
return ts;
} else if (frame.isCircle()) {
var pi = Math.PI;
var x = frame.x;
var y = frame.y;
var l = frame.l;
var r = frame.r;
var u = frame.u;
var d = frame.d;
var cx = x + (r - l) / 2;
var cy = y + (u - d) / 2;
var rx = (l + r) / 2;
var ry = (u + d) / 2;
var delta = pi / 180; // overlapping
var arc0 = xypic.CurveSegment.Arc(cx, cy, rx, ry, -pi - delta, -pi / 2 + delta);
var arc1 = xypic.CurveSegment.Arc(cx, cy, rx, ry, -pi / 2 - delta, 0 + delta);
var arc2 = xypic.CurveSegment.Arc(cx, cy, rx, ry, 0 - delta, pi / 2 + delta);
var arc3 = xypic.CurveSegment.Arc(cx, cy, rx, ry, pi / 2 - delta, pi + delta);
var bezier = xypic.CurveSegment.QuadBezier(this, 0, 1);
var intersec = [];
intersec = intersec.concat(xypic.CurveSegment.findIntersections(arc0, bezier));
intersec = intersec.concat(xypic.CurveSegment.findIntersections(arc1, bezier));
intersec = intersec.concat(xypic.CurveSegment.findIntersections(arc2, bezier));
intersec = intersec.concat(xypic.CurveSegment.findIntersections(arc3, bezier));
var ts = [];
for (var i = 0; i < intersec.length; i++) {
var t = (intersec[i][1].min + intersec[i][1].max) / 2;
ts.push(t);
}
return ts;
}
},
countOfSegments: function () { return 1; },
drawPrimitive: function (svg, dasharray) {
var cp0 = this.cp0, cp1 = this.cp1, cp2 = this.cp2;
svg.createSVGElement("path", {
"d":"M"+xypic.em2px(cp0.x)+","+xypic.em2px(-cp0.y)+
" Q"+xypic.em2px(cp1.x)+","+xypic.em2px(-cp1.y)+
" "+xypic.em2px(cp2.x)+","+xypic.em2px(-cp2.y),
"stroke-dasharray":dasharray
});
},
toString: function () {
return "QuadBezier("+this.cp0.x+", "+this.cp0.y+")-("+this.cp1.x+", "+this.cp1.y+")-("+this.cp2.x+", "+this.cp2.y+")"
}
});
xypic.Curve.CubicBezier = xypic.Curve.Subclass({
Init: function (cp0, cp1, cp2, cp3) {
this.cp0 = cp0;
this.cp1 = cp1;
this.cp2 = cp2;
this.cp3 = cp3;
var a0x = cp0.x;
var a1x = 3*(cp1.x - cp0.x);
var a2x = 3*(cp2.x - 2*cp1.x + cp0.x);
var a3x = cp3.x - 3*cp2.x + 3*cp1.x - cp0.x;
this.px = function(t) { return a0x + t*a1x + t*t*a2x + t*t*t*a3x; }
this.dpx = function(t) { return a1x + 2*t*a2x + 3*t*t*a3x; }
var a0y = cp0.y;
var a1y = 3*(cp1.y - cp0.y);
var a2y = 3*(cp2.y - 2*cp1.y + cp0.y);
var a3y = cp3.y - 3*cp2.y + 3*cp1.y - cp0.y;
this.py = function(t) { return a0y + t*a1y + t*t*a2y + t*t*t*a3y; }
this.dpy = function(t) { return a1y + 2*t*a2y + 3*t*t*a3y; }
},
startPosition: function () {
return this.cp0;
},
endPosition: function () {
return this.cp3;
},
position: function (t) {
return xypic.Frame.Point(this.px(t), this.py(t));
},
derivative: function (t) {
return xypic.Frame.Point(this.dpx(t), this.dpy(t));
},
angle: function (t) {
return Math.atan2(this.dpy(t), this.dpx(t));
},
boundingBox: function (vshift) {
var maxMinX = this.maxMin(this.cp0.x, this.cp1.x, this.cp2.x, this.cp3.x, vshift);
var maxMinY = this.maxMin(this.cp0.y, this.cp1.y, this.cp2.y, this.cp3.y, vshift);
if (vshift === 0) {
return xypic.Frame.Rect(this.cp0.x, this.cp0.y, {
l:this.cp0.x-maxMinX.min, r:maxMinX.max-this.cp0.x,
u:maxMinY.max-this.cp0.y, d:this.cp0.y-maxMinY.min
});
} else {
var hpi = Math.PI/2;
var sx = this.cp0.x;
var sy = this.cp0.y;
var ex = this.cp3.x;
var ey = this.cp3.y;
var a0 = this.angle(0)+hpi;
var a1 = this.angle(1)+hpi;
var vc0 = vshift*Math.cos(a0), vs0 = vshift*Math.sin(a0);
var vc1 = vshift*Math.cos(a1), vs1 = vshift*Math.sin(a1);
var minX = Math.min(maxMinX.min, sx+vc0, sx-vc0, ex+vc1, ex-vc1);
var maxX = Math.max(maxMinX.max, sx+vc0, sx-vc0, ex+vc1, ex-vc1);
var minY = Math.min(maxMinY.min, sy+vs0, sy-vs0, ey+vs1, ey-vs1);
var maxY = Math.max(maxMinY.max, sy+vs0, sy-vs0, ey+vs1, ey-vs1);
return xypic.Frame.Rect(sx, sy, {
l:sx-minX, r:maxX-sx, u:maxY-sy, d:sy-minY
});
}
},
maxMin: function (x0, x1, x2, x3, vshift) {
var max, min;
if (x0 > x3) {
max = x0;
min = x3;
} else {
max = x3;
min = x0;
}
var roundEp = xypic.Util.roundEpsilon;
var a0 = roundEp(x0);
var a1 = roundEp(x1 - x0);
var a2 = roundEp(x2 - 2*x1 + x0);
var a3 = roundEp(x3 - 3*x2 + 3*x1 - x0);
var p = function(t) { return a0 + 3*t*a1 + 3*t*t*a2 + t*t*t*a3 }
var updateMinMax = function (t) {
if (t > 0 && t < 1) {
x = p(t);
max = Math.max(max, x + vshift, x - vshift);
min = Math.min(min, x + vshift, x - vshift);
}
}
var t, x;
if (a3 == 0) {
if (a2 != 0) {
t = -a1/a2/2;
updateMinMax(t);
}
} else {
var d = a2*a2 - a1*a3;
if (d > 0) {
t = (-a2 + Math.sqrt(d))/a3;
updateMinMax(t);
t = (-a2 - Math.sqrt(d))/a3;
updateMinMax(t);
} else if (d == 0) {
t = -a2/a3;
updateMinMax(t);
}
}
return {min:min, max:max};
},
divide: function (t) {
if (t < 0 || t > 1) {
throw xypic.ExecutionError("illegal cubic Bezier parameter t:"+t);
}
var x0 = this.cp0.x;
var x1 = this.cp1.x;
var x2 = this.cp2.x;
var x3 = this.cp3.x;
var y0 = this.cp0.y;
var y1 = this.cp1.y;
var y2 = this.cp2.y;
var y3 = this.cp3.y;
var tx = this.px(t);
var ty = this.py(t);
var p0 = this.cp0;
var p1 = xypic.Frame.Point(x0+t*(x1-x0), y0+t*(y1-y0));
var p2 = xypic.Frame.Point(
x0+2*t*(x1-x0)+t*t*(x2-2*x1+x0),
y0+2*t*(y1-y0)+t*t*(y2-2*y1+y0)
);
var p3 = xypic.Frame.Point(tx, ty);
var q0 = p3;
var q1 = xypic.Frame.Point(
x1+2*t*(x2-x1)+t*t*(x3-2*x2+x1),
y1+2*t*(y2-y1)+t*t*(y3-2*y2+y1)
);
var q2 = xypic.Frame.Point(x2+t*(x3-x2), y2+t*(y3-y2));
var q3 = this.cp3;
return [
xypic.Curve.CubicBezier(p0, p1, p2, p3),
xypic.Curve.CubicBezier(q0, q1, q2, q3)
]
},
slice: function (t0, t1) {
if (t0 >= t1) {
return undefined;
}
if (t0 < 0) {
t0 = 0;
}
if (t1 > 1) {
t1 = 1;
}
if (t0 === 0 && t1 === 1) {
return this;
}
var x0 = this.cp0.x;
var x1 = this.cp1.x;
var x2 = this.cp2.x;
var x3 = this.cp3.x;
var y0 = this.cp0.y;
var y1 = this.cp1.y;
var y2 = this.cp2.y;
var y3 = this.cp3.y;
var q0x = this.px(t0);
var q0y = this.py(t0);
var q1x = x1 + 2 * t0 * (x2 - x1) + t0 * t0 * (x3 - 2 * x2 + x1);
var q1y = y1 + 2 * t0 * (y2 - y1) + t0 * t0 * (y3 - 2 * y2 + y1);
var q2x = x2 + t0 * (x3 - x2);
var q2y = y2 + t0 * (y3 - y2);
var p0 = xypic.Frame.Point(q0x, q0y);
var p1 = xypic.Frame.Point(q0x + t1 * (q1x - q0x), q0y + t1 * (q1y - q0y));
var p2 = xypic.Frame.Point(
q0x + 2 * t1 * (q1x - q0x) + t1 * t1 * (q2x - 2 * q1x + q0x),
q0y + 2 * t1 * (q1y - q0y) + t1 * t1 * (q2y - 2 * q1y + q0y)
);
var p3 = xypic.Frame.Point(this.px(t1), this.py(t1));
return xypic.Curve.CubicBezier(p0, p1, p2, p3);
},
tOfIntersections: function (frame) {
if (frame.isPoint()) {
return []; // CAUTION: Point does not intersect with any curves.
}
if (frame.isRect()) {
// find starting edge point
var rx = frame.x + frame.r;
var lx = frame.x - frame.l;
var uy = frame.y + frame.u;
var dy = frame.y - frame.d;
var roundEp = xypic.Util.roundEpsilon;
var x0 = this.cp0.x;
var x1 = this.cp1.x;
var x2 = this.cp2.x;
var x3 = this.cp3.x;
var y0 = this.cp0.y;
var y1 = this.cp1.y;
var y2 = this.cp2.y;
var y3 = this.cp3.y;
var a0x = roundEp(x0);
var a1x = roundEp(3*(x1 - x0));
var a2x = roundEp(3*(x2 - 2*x1 + x0));
var a3x = roundEp(x3 - 3*x2 + 3*x1 - x0);
var px = function(t) { return a0x + t*a1x + t*t*a2x + t*t*t*a3x }
var a0y = roundEp(y0);
var a1y = roundEp(3*(y1 - y0));
var a2y = roundEp(3*(y2 - 2*y1 + y0));
var a3y = roundEp(y3 - 3*y2 + 3*y1 - y0);
var py = function(t) { return a0y + t*a1y + t*t*a2y + t*t*t*a3y }
var ts = [];
var tsCandidate;
tsCandidate = xypic.Curve.solutionsOfCubicEq(a3x, a2x, a1x, a0x-rx);
tsCandidate = tsCandidate.concat(xypic.Curve.solutionsOfCubicEq(a3x, a2x, a1x, a0x-lx));
for (var i = 0; i < tsCandidate.length; i++) {
var t = tsCandidate[i];
var y = py(t);
if (y >= dy && y <= uy) {
ts.push(t);
}
}
tsCandidate = xypic.Curve.solutionsOfCubicEq(a3y, a2y, a1y, a0y-uy);
tsCandidate = tsCandidate.concat(xypic.Curve.solutionsOfCubicEq(a3y, a2y, a1y, a0y-dy));
for (var i = 0; i < tsCandidate.length; i++) {
var t = tsCandidate[i];
var x = px(t);
if (x >= lx && x <= rx) {
ts.push(t);
}
}
return ts;
} else if (frame.isCircle()) {
var pi = Math.PI;
var x = frame.x;
var y = frame.y;
var l = frame.l;
var r = frame.r;
var u = frame.u;
var d = frame.d;
var cx = x + (r - l) / 2;
var cy = y + (u - d) / 2;
var rx = (l + r) / 2;
var ry = (u + d) / 2;
var delta = pi / 180; // overlapping
var arc0 = xypic.CurveSegment.Arc(cx, cy, rx, ry, -pi - delta, -pi / 2 + delta);
var arc1 = xypic.CurveSegment.Arc(cx, cy, rx, ry, -pi / 2 - delta, 0 + delta);
var arc2 = xypic.CurveSegment.Arc(cx, cy, rx, ry, 0 - delta, pi / 2 + delta);
var arc3 = xypic.CurveSegment.Arc(cx, cy, rx, ry, pi / 2 - delta, pi + delta);
var bezier = xypic.CurveSegment.CubicBezier(this, 0, 1);
var intersec = [];
intersec = intersec.concat(xypic.CurveSegment.findIntersections(arc0, bezier));
intersec = intersec.concat(xypic.CurveSegment.findIntersections(arc1, bezier));
intersec = intersec.concat(xypic.CurveSegment.findIntersections(arc2, bezier));
intersec = intersec.concat(xypic.CurveSegment.findIntersections(arc3, bezier));
var ts = [];
for (var i = 0; i < intersec.length; i++) {
var t = (intersec[i][1].min + intersec[i][1].max) / 2;
ts.push(t);
}
return ts;
}
},
countOfSegments: function () { return 1; },
drawPrimitive: function (svg, dasharray) {
var cp0 = this.cp0, cp1 = this.cp1, cp2 = this.cp2, cp3 = this.cp3;
svg.createSVGElement("path", {
"d":"M"+xypic.em2px(cp0.x)+","+xypic.em2px(-cp0.y)+
" C"+xypic.em2px(cp1.x)+","+xypic.em2px(-cp1.y)+
" "+xypic.em2px(cp2.x)+","+xypic.em2px(-cp2.y)+
" "+xypic.em2px(cp3.x)+","+xypic.em2px(-cp3.y),
"stroke-dasharray":dasharray
});
},
toString: function () {
return "CubicBezier("+this.cp0.x+", "+this.cp0.y+")-("+this.cp1.x+", "+this.cp1.y+")-("+this.cp2.x+", "+this.cp2.y+")-("+this.cp3.x+", "+this.cp3.y+")"
}
});
xypic.Curve.CubicBeziers = xypic.Curve.Subclass({
Init: function (cbs) {
this.cbs = cbs;
var n = this.cbs.length;
this.delegate = (n == 0?
function (t, succ, fail) {
return fail;
} : function (t, succ, fail) {
var tn = t * n;
var i = Math.floor(tn);
if (i < 0) { i = 0; }
if (i >= n) { i = n - 1; }
var s = tn - i;
var cb = cbs[i];
return succ(cb, s);
}
);
},
startPosition: function () {
return this.cbs[0].cp0;
},
endPosition: function () {
return this.cbs[this.cbs.length - 1].cp3;
},
position: function (t) {
return this.delegate(t, function (cb, s) { return cb.position(s) }, undefined);
},
derivative: function (t) {
return this.delegate(t, function (cb, s) { return cb.derivative(s) }, undefined);
},
angle: function (t) {
return this.delegate(t, function (cb, s) { return cb.angle(s) }, 0);
},
velocity: function (t) {
var n = this.cbs.length;
return this.delegate(t, function (cb, s) { return n * cb.velocity(s) }, 0);
},
boundingBox: function (vshift) {
if (this.cbs.length == 0) {
return undefined;
}
var bbox = this.cbs[0].boundingBox(vshift);
var i, n = this.cbs.length;
for (i = 1; i < n; i++) {
bbox = bbox.combineRect(this.cbs[i].boundingBox(vshift))
}
return bbox;
},
tOfIntersections: function (frame) {
var ts = [];
var i = 0, n = this.cbs.length;
for (i = 0; i < n; i++) {
var cb = this.cbs[i];
unnormalizedTs = cb.tOfIntersections(frame);
for (j = 0; j < unnormalizedTs.length; j++) {
ts.push((unnormalizedTs[j] + i) / n);
}
}
return ts;
},
divide: function (t) {
if (t < 0 || t > 1) {
throw xypic.ExecutionError("illegal cubic Bezier parameter t:"+t);
} else if (t === 0) {
return [xypic.Curve.CubicBeziers([]), this];
} else if (t === 1) {
return [this, xypic.Curve.CubicBeziers([])];
}
var n = this.cbs.length;
var tn = t * n;
var i = Math.floor(tn);
if (i === n) {
i = n - 1;
}
var s = tn - i;
var divS = this.cbs.slice(0, i);
var divE = this.cbs.slice(i + 1);
var cb = this.cbs[i];
var divB = cb.divide(s);
divS.push(divB[0]);
divE.unshift(divB[1]);
return [xypic.Curve.CubicBeziers(divS), xypic.Curve.CubicBeziers(divE)];
},
slice: function (t0, t1) {
if (t0 >= t1) {
return undefined;
}
if (t0 < 0) {
t0 = 0;
}
if (t1 > 1) {
t1 = 1;
}
if (t0 === 0 && t1 === 1) {
return this;
}
var n = this.cbs.length;
var tn0 = t0 * n;
var tn1 = t1 * n;
var i0 = Math.floor(tn0);
var i1 = Math.floor(tn1);
if (i0 === n) {
i0 = n - 1;
}
if (i1 === n) {
i1 = n - 1;
}
var s0 = tn0 - i0;
var s1 = tn1 - i1;
var subBeziers;
if (i0 === i1) {
subBeziers = [this.cbs[i0].slice(s0, s1)];
} else {
subBeziers = this.cbs.slice(i0 + 1, i1);
subBeziers.push(this.cbs[i1].slice(0, s1));
subBeziers.unshift(this.cbs[i0].slice(s0, 1));
}
return xypic.Curve.CubicBeziers(subBeziers);
},
countOfSegments: function () { return this.cbs.length; },
drawPrimitive: function (svg, dasharray) {
var n = this.cbs.length;
var cbs = this.cbs;
var cb = cbs[0];
var cp0 = cb.cp0, cp1 = cb.cp1, cp2 = cb.cp2, cp3 = cb.cp3;
var d = ("M"+xypic.em2px(cp0.x)+","+xypic.em2px(-cp0.y)+
" C"+xypic.em2px(cp1.x)+","+xypic.em2px(-cp1.y)+
" "+xypic.em2px(cp2.x)+","+xypic.em2px(-cp2.y)+
" "+xypic.em2px(cp3.x)+","+xypic.em2px(-cp3.y));
for (var i = 1; i < n; i++) {
cb = cbs[i];
cp2 = cb.cp2, cp3 = cb.cp3;
d += " S"+xypic.em2px(cp2.x)+","+xypic.em2px(-cp2.y)+" "+xypic.em2px(cp3.x)+","+xypic.em2px(-cp3.y);
}
svg.createSVGElement("path", {"d":d, "stroke-dasharray":dasharray});
},
drawSkipped: function (svg) {
var n = this.cbs.length;
var cbs = this.cbs;
var d = "";
for (var i = 0; i < n; i+=2) {
var cb = cbs[i];
var cp0 = cb.cp0, cp1 = cb.cp1, cp2 = cb.cp2, cp3 = cb.cp3;
d += ("M"+xypic.em2px(cp0.x)+","+xypic.em2px(-cp0.y)+
" C"+xypic.em2px(cp1.x)+","+xypic.em2px(-cp1.y)+
" "+xypic.em2px(cp2.x)+","+xypic.em2px(-cp2.y)+
" "+xypic.em2px(cp3.x)+","+xypic.em2px(-cp3.y));
}
svg.createSVGElement("path", {"d":d});
}
},{
interpolation: function (ts, xs, ys) {
var x12 = xypic.Curve.CubicBeziers.cubicSplineInterpolation(ts, xs);
var x1 = x12[0];
var x2 = x12[1];
var y12 = xypic.Curve.CubicBeziers.cubicSplineInterpolation(ts, ys);
var y1 = y12[0];
var y2 = y12[1];
var i, n = ts.length;
var beziers = new Array(n-1);
for (i = 0; i < n-1; i++) {
beziers[i] = xypic.Curve.CubicBezier(
xypic.Frame.Point(xs[i], ys[i]),
xypic.Frame.Point(x1[i], y1[i]),
xypic.Frame.Point(x2[i], y2[i]),
xypic.Frame.Point(xs[i+1], ys[i+1])
)
}
return xypic.Curve.CubicBeziers(beziers);
},
cubicSplineInterpolation: function (ts, xs) {
var n = ts.length-1;
var hs = new Array(n);
var i;
for (i = 0; i < n; i++) {
hs[i] = ts[i+1] - ts[i];
}
var as = new Array(n);
for (i = 1; i < n; i++) {
as[i] = 3*(xs[i+1] - xs[i])/hs[i] - 3*(xs[i] - xs[i-1])/hs[i-1];
}
var ls = new Array(n+1);
var ms = new Array(n+1);
var zs = new Array(n+1);
ls[0] = 1;
ms[0] = 0;
zs[0] = 0;
for (i = 1; i < n; i++) {
ls[i] = 2*(ts[i+1] - ts[i-1]) - hs[i-1]*ms[i-1];
ms[i] = hs[i]/ls[i];
zs[i] = (as[i] - hs[i-1]*zs[i-1])/ls[i];
}
ls[n] = 1;
zs[n] = 0;
var bs = new Array(n);
var cs = new Array(n+1);
cs[n] = 0;
for (i = n-1; i >= 0; i--) {
var h = hs[i], c1 = cs[i+1], c0 = h*h*zs[i] - ms[i]*c1;
cs[i] = c0;
bs[i] = (xs[i+1] - xs[i]) - (c1 + 2*c0)/3;
}
var p1s = new Array(n);
var p2s = new Array(n);
for (i = 0; i < n; i++) {
var a = xs[i], b = bs[i], c = cs[i];
p1s[i] = a + b/3;
p2s[i] = a + (2*b + c)/3;
}
return [p1s, p2s];
}
});
// xypic.Curve.CubicBeziers factory class
xypic.Curve.CubicBSpline = MathJax.Object.Subclass({
Init: function (s, intCps, e) {
if (intCps.length < 1) {
throw xypic.ExecutionError("the number of internal control points of cubic B-spline must be greater than or equal to 1");
}
var controlPoints = [];
controlPoints.push(s);
for (var i = 0, l = intCps.length; i < l; i++) {
controlPoints.push(intCps[i]);
}
controlPoints.push(e);
this.cps = controlPoints;
var n = this.cps.length - 1;
var cps = function (i) {
if (i < 0) {
return controlPoints[0];
} else if (i > n) {
return controlPoints[n];
} else {
return controlPoints[i];
}
}
var N = function (t) {
var s = Math.abs(t);
if (s <= 1) {
return (3*s*s*s - 6*s*s + 4)/6;
} else if (s <= 2) {
return -(s-2)*(s-2)*(s-2)/6;
} else {
return 0;
}
}
this.px = function (t) {
var s = (n+2)*t-1;
var minj = Math.ceil(s-2);
var maxj = Math.floor(s+2);
var p = 0;
for (var j = minj; j <= maxj; j++) {
p += N(s-j)*cps(j).x;
}
return p;
}
this.py = function (t) {
var s = (n+2)*t-1;
var minj = Math.ceil(s-2);
var maxj = Math.floor(s+2);
var p = 0;
for (var j = minj; j <= maxj; j++) {
p += N(s-j)*cps(j).y;
}
return p;
}
var dN = function (t) {
var u = (t>0? 1 : (t<0? -1 : 0));
var s = Math.abs(t);
if (s <= 1) {
return u*(3*s*s - 4*s)/2;
} else if (s <= 2) {
return -u*(s-2)*(s-2)/2;
} else {
return 0;
}
}
this.dpx = function (t) {
var s = (n+2)*t-1;
var minj = Math.ceil(s-2);
var maxj = Math.floor(s+2);
var p = 0;
for (var j = minj; j <= maxj; j++) {
p += dN(s-j)*cps(j).x;
}
return p;
}
this.dpy = function (t) {
var s = (n+2)*t-1;
var minj = Math.ceil(s-2);
var maxj = Math.floor(s+2);
var p = 0;
for (var j = minj; j <= maxj; j++) {
p += dN(s-j)*cps(j).y;
}
return p;
}
},
position: function (t) {
return xypic.Frame.Point(this.px(t), this.py(t));
},
angle: function (t) {
return Math.atan2(this.dpy(t), this.dpx(t));
},
toCubicBeziers: function () {
var cbs = [];
var cps = this.cps;
var cp0 = cps[0];
var cp1 = cps[1];
var cp2 = cps[2];
var p0x = cp0.x;
var p0y = cp0.y;
var p1x = p0x+(cp1.x-p0x)/3;
var p1y = p0y+(cp1.y-p0y)/3;
var p2x = p0x+(cp1.x-p0x)*2/3;
var p2y = p0y+(cp1.y-p0y)*2/3;
var n1x = cp1.x+(cp2.x-cp1.x)/3;
var n1y = cp1.y+(cp2.y-cp1.y)/3;
var p3x = (p2x+n1x)/2;
var p3y = (p2y+n1y)/2;
var p0 = cp0;
var p1 = xypic.Frame.Point(p1x, p1y);
var p2 = xypic.Frame.Point(p2x, p2y);
var p3 = xypic.Frame.Point(p3x, p3y);
var cb = xypic.Curve.CubicBezier(p0, p1, p2, p3);
cbs.push(cb);
var len = this.cps.length - 1;
for (var i=2; i < len; i++) {
cp0 = cp1;
cp1 = cp2;
cp2 = cps[i+1];
p0x = p3x;
p0y = p3y;
p1x = 2*p3x - p2x;
p1y = 2*p3y - p2y;
p2x = cp0.x+(cp1.x-cp0.x)*2/3;
p2y = cp0.y+(cp1.y-cp0.y)*2/3;
n1x = cp1.x+(cp2.x-cp1.x)/3;
n1y = cp1.y+(cp2.y-cp1.y)/3;
p3x = (p2x+n1x)/2;
p3y = (p2y+n1y)/2;
p0 = p3;
p1 = xypic.Frame.Point(p1x, p1y);
p2 = xypic.Frame.Point(p2x, p2y);
p3 = xypic.Frame.Point(p3x, p3y);
cb = xypic.Curve.CubicBezier(p0, p1, p2, p3);
cbs.push(cb);
}
cp0 = cp1;
cp1 = cp2;
p0x = p3x;
p0y = p3y;
p1x = 2*p3x - p2x;
p1y = 2*p3y - p2y;
p2x = cp0.x+(cp1.x-cp0.x)*2/3;
p2y = cp0.y+(cp1.y-cp0.y)*2/3;
p3x = cp1.x;
p3y = cp1.y;
p0 = p3;
p1 = xypic.Frame.Point(p1x, p1y);
p2 = xypic.Frame.Point(p2x, p2y);
p3 = xypic.Frame.Point(p3x, p3y);
cb = xypic.Curve.CubicBezier(p0, p1, p2, p3);
cbs.push(cb);
return cbs;
},
countOfSegments: function () { return this.cps.length - 1; }
});
xypic.Curve.Line = MathJax.Object.Subclass({
Init: function (s, e) {
this.s = s;
this.e = e;
},
position: function (t) {
return xypic.Frame.Point(
this.s.x + t * (this.e.x - this.s.x),
this.s.y + t * (this.e.y - this.s.y)
);
},
slice: function (t0, t1) {
if (t0 >= t1) {
return undefined;
}
if (t0 < 0) {
t0 = 0;
}
if (t1 > 1) {
t1 = 1;
}
if (t0 === 0 && t1 === 1) {
return this;
}
var s = this.s;
var e = this.e;
var dx = e.x - s.x;
var dy = e.y - s.y;
var newS = xypic.Frame.Point(s.x + t0 * dx, s.y + t0 * dy);
var newE = xypic.Frame.Point(s.x + t1 * dx, s.y + t1 * dy);
return xypic.Curve.Line(newS, newE);
},
tOfIntersections: function (frame) {
if (frame.isPoint()) {
return []; // CAUTION: Point does not intersect with any curves.
}
var s = this.s;
var e = this.e;
if (frame.isRect()) {
// find starting edge point
var rx = frame.x + frame.r;
var lx = frame.x - frame.l;
var uy = frame.y + frame.u;
var dy = frame.y - frame.d;
var a0x = s.x;
var a0y = s.y;
var a1x = e.x - a0x;
var a1y = e.y - a0y;
var px = function (t) { return a0x + t * a1x; }
var py = function (t) { return a0y + t * a1y; }
var ts = [];
var tsCandidate;
tsCandidate = xypic.Curve.solutionsOfLinearEq(a1x, a0x - rx);
tsCandidate = tsCandidate.concat(xypic.Curve.solutionsOfLinearEq(a1x, a0x - lx));
for (var i = 0; i < tsCandidate.length; i++) {
var t = tsCandidate[i];
var y = py(t);
if (y >= dy && y <= uy) {
ts.push(t);
}
}
tsCandidate = xypic.Curve.solutionsOfLinearEq(a1y, a0y - uy);
tsCandidate = tsCandidate.concat(xypic.Curve.solutionsOfLinearEq(a1y, a0y - dy));
for (var i = 0; i < tsCandidate.length; i++) {
var t = tsCandidate[i];
var x = px(t);
if (x >= lx && x <= rx) {
ts.push(t);
}
}
return ts;
} else if (frame.isCircle()) {
var pi = Math.PI;
var l = frame.l;
var r = frame.r;
var u = frame.u;
var d = frame.d;
var x0 = frame.x;
var y0 = frame.y;
var cx = x0 + (r - l) / 2;
var cy = y0 + (u - d) / 2;
var rx = (l + r) / 2;
var ry = (u + d) / 2;
var sx = s.x;
var sy = s.y;
var ex = e.x;
var ey = e.y;
var dx = ex - sx;
var dy = ey - sy;
var a0 = dy;
var b0 = -dx;
var c0 = dx * sy - dy * sx;
var a = a0 * rx;
var b = b0 * ry;
var c = c0 * rx + (rx - ry) * b0 * cy;
var aabb = a * a + b * b;
var d = a * cx + b * cy + c;
var e = -d / aabb;
var ff = aabb * rx * rx - d * d;
if (ff < 0) {
return [];
}
var f = Math.sqrt(ff) / aabb;
var xp = a * e + b * f + cx;
var yp = b * e - a * f + cy;
var xm = a * e - b * f + cx;
var ym = b * e + a * f + cy;
var eps = ry / rx;
var xp0 = xp;
var yp0 = eps * (yp - cy) + cy;
var xm0 = xm;
var ym0 = eps * (ym - cy) + cy;
var tp, tm;
if (Math.abs(dx) > Math.abs(dy)) {
tp = (xp0 - sx) / dx;
tm = (xm0 - sx) / dx;
} else {
tp = (yp0 - sy) / dy;
tm = (ym0 - sy) / dy;
}
var ts = [];
if (tp >= 0 && tp <= 1) {
ts.push(tp);
}
if (tm >= 0 && tm <= 1) {
ts.push(tm);
}
return ts;
}
},
toShape: function (context, object, main, variant) {
// 多重線の幅、点線・破線の幅の基準
var env = context.env;
var thickness = AST.xypic.thickness;
var s = this.s;
var e = this.e;
if (s.x !== e.x || s.y !== e.y) {
var dx = e.x - s.x;
var dy = e.y - s.y;
var angle = Math.atan2(dy, dx);
var vshift;
var shape = xypic.Shape.none;
switch (main) {
case "=":
main = "-";
variant = "2";
break;
case "==":
main = "--";
variant = "2";
break;
case ':':
case '::':
main = ".";
variant = "2";
break;
}
switch (main) {
case '':
// draw invisible line
env.angle = angle;
env.lastCurve = xypic.LastCurve.Line(s, e, env.p, env.c, undefined);
return shape;
case '-':
case '.':
case '..':
switch (variant) {
case "2":
vshift = thickness / 2;
break;
case "3":
vshift = thickness;
break;
default:
vshift = 0;
break;
}
break;
case '--':
var dash = 3 * thickness;
var len = Math.sqrt(dx * dx + dy * dy);
if (len >= dash) {
switch (variant) {
case "2":
vshift = thickness / 2;
break;
case "3":
vshift = thickness;
break;
default:
vshift = 0;
}
}
break;
case '~':
case '~~':
switch (variant) {
case "2":
vshift = 1.5 * thickness;
break;
case "3":
vshift = 2 * thickness;
break;
default:
vshift = 0
}
break;
default:
// connect by arrowheads
var arrowBBox = object.boundingBox(context);
if (arrowBBox == undefined) {
env.angle = 0;
env.lastCurve = xypic.LastCurve.none;
return xypic.Shape.none;
}
var arrowLen = arrowBBox.l + arrowBBox.r;
if (arrowLen == 0) {
arrowLen = AST.xypic.strokeWidth;
}
var len = Math.sqrt(dx * dx + dy * dy);
var n = Math.floor(len / arrowLen);
if (n == 0) {
env.angle = 0;
env.lastCurve = xypic.LastCurve.none;
return xypic.Shape.none;
}
vshift = Math.max(arrowBBox.u, arrowBBox.d);
}
if (vshift !== undefined) {
var bbox = this.boundingBox(vshift);
shape = xypic.Shape.LineShape(this, object, main, variant, bbox);
context.appendShapeToFront(shape);
env.angle = angle;
env.lastCurve = xypic.LastCurve.Line(s, e, env.p, env.c, shape);
return shape;
}
}
env.angle = 0;
env.lastCurve = xypic.LastCurve.none;
return xypic.Shape.none;
},
boundingBox: function (vshift) {
var s = this.s;
var e = this.e;
var dx = e.x - s.x;
var dy = e.y - s.y;
var angle = Math.atan2(dy, dx);
var cx = vshift * Math.cos(angle + Math.PI/2);
var cy = vshift * Math.sin(angle + Math.PI/2);
return xypic.Frame.Rect(s.x, s.y, {
l:s.x-Math.min(s.x+cx, s.x-cx, e.x+cx, e.x-cx),
r:Math.max(s.x+cx, s.x-cx, e.x+cx, e.x-cx)-s.x,
u:Math.max(s.y+cy, s.y-cy, e.y+cy, e.y-cy)-s.y,
d:s.y-Math.min(s.y+cy, s.y-cy, e.y+cy, e.y-cy)
});
},
drawLine: function (svg, object, main, variant, holeRanges) {
if (holeRanges.isEmpty) {
this._drawLine(svg, object, main, variant);
} else {
var clippingRanges = xypic.Range(0, 1).differenceRanges(holeRanges);
var self = this;
clippingRanges.foreach(function (range) {
self.slice(range.start, range.end)._drawLine(svg, object, main, variant);
});
}
},
_drawLine: function (svg, object, main, variant) {
// 多重線の幅、点線・破線の幅の基準
var t = AST.xypic.thickness;
var s = this.s;
var e = this.e;
if (s.x !== e.x || s.y !== e.y) {
var dx = e.x - s.x;
var dy = e.y - s.y;
var angle = Math.atan2(dy, dx);
var shift = { x:0, y:0 };
switch (main) {
case '':
// draw nothing
break;
case '-':
this.drawStraightLine(svg, s, e, shift, angle, t, variant, "");
break;
case '=':
this.drawStraightLine(svg, s, e, shift, angle, t, "2", "");
break;
case '.':
case '..':
this.drawStraightLine(svg, s, e, shift, angle, t, variant, AST.xypic.dottedDasharray);
break;
case ':':
case '::':
this.drawStraightLine(svg, s, e, shift, angle, t, "2", AST.xypic.dottedDasharray);
break;
case '--':
case '==':
var len = Math.sqrt(dx * dx + dy * dy);
var dash = 3 * t;
if (len >= dash) {
var shiftLen = (len - dash) / 2 - Math.floor((len - dash) / 2 / dash) * dash;
shift = { x:shiftLen * Math.cos(angle), y:shiftLen * Math.sin(angle) };
this.drawStraightLine(svg, s, e, shift, angle, t, (main === "=="? "2" : variant), xypic.em2px(dash) + " " + xypic.em2px(dash));
}
break;
case '~':
var len = Math.sqrt(dx * dx + dy * dy);
var wave = 4 * t;
if (len >= wave) {
var n = Math.floor(len / wave);
var shiftLen = (len - n * wave) / 2;
shift = { x:shiftLen * Math.cos(angle), y:shiftLen * Math.sin(angle) };
var cx = t * Math.cos(angle + Math.PI / 2);
var cy = t * Math.sin(angle + Math.PI / 2);
var tx = t * Math.cos(angle);
var ty = t * Math.sin(angle);
var sx = s.x + shift.x;
var sy = -s.y - shift.y;
var d = "M" + xypic.em2px(sx) + "," + xypic.em2px(sy) +
" Q" + xypic.em2px(sx + tx + cx) + "," + xypic.em2px(sy - ty - cy) +
" " + xypic.em2px(sx + 2 * tx) + "," + xypic.em2px(sy - 2 * ty) +
" T" + xypic.em2px(sx + 4 * tx) + "," + xypic.em2px(sy - 4 * ty);
for (var i = 1; i < n; i++) {
d += " T" + xypic.em2px(sx + (4 * i + 2) * tx) + "," + xypic.em2px(sy - (4 * i + 2) * ty) +
" T" + xypic.em2px(sx + (4 * i + 4) * tx) + "," + xypic.em2px(sy - (4 * i + 4) * ty);
}
this.drawSquigglyLineShape(svg, d, s, e, cx, cy, variant);
}
break;
case '~~':
var len = Math.sqrt(dx * dx + dy * dy);
var wave = 4 * t;
if (len >= wave) {
var n = Math.floor((len - wave) / 2 / wave);
var shiftLen = (len - wave) / 2 - n * wave;
shift = { x:shiftLen * Math.cos(angle), y:shiftLen * Math.sin(angle) };
var cx = t * Math.cos(angle + Math.PI / 2);
var cy = t * Math.sin(angle + Math.PI / 2);
var tx = t * Math.cos(angle);
var ty = t * Math.sin(angle);
var sx = s.x + shift.x;
var sy = -s.y - shift.y;
var d = "";
for (var i = 0; i <= n; i++) {
d += " M" + xypic.em2px(sx + 8 * i * tx) + "," + xypic.em2px(sy - 8 * i * ty) +
" Q" + xypic.em2px(sx + (8 * i + 1) * tx + cx) + "," + xypic.em2px(sy - (8 * i + 1) * ty - cy) +
" " + xypic.em2px(sx + (8 * i + 2) * tx) + "," + xypic.em2px(sy - (8 * i + 2) * ty) +
" T" + xypic.em2px(sx + (8 * i + 4) * tx) + "," + xypic.em2px(sy - (8 * i + 4) * ty);
}
this.drawSquigglyLineShape(svg, d, s, e, cx, cy, variant);
}
break;
default:
// connect by arrowheads
var dummyEnv = xypic.Env();
dummyEnv.c = xypic.Env.originPosition;
var dummyContext = xypic.DrawingContext(xypic.Shape.none, dummyEnv);
var arrowBBox = object.boundingBox(dummyContext);
if (arrowBBox == undefined) {
return;
}
var arrowLen = arrowBBox.l + arrowBBox.r;
if (arrowLen == 0) {
arrowLen = AST.xypic.strokeWidth;
}
var len = Math.sqrt(dx * dx + dy * dy);
var n = Math.floor(len / arrowLen);
if (n == 0) {
return;
}
var shiftLen = (len - n * arrowLen) / 2;
var cos = Math.cos(angle), sin = Math.sin(angle);
var ac = arrowLen * cos, as = arrowLen * sin;
var startX = s.x + (shiftLen + arrowBBox.l) * cos;
var startY = s.y + (shiftLen + arrowBBox.l) * sin;
var dummyContext = xypic.DrawingContext(xypic.Shape.none, dummyEnv);
for (var i = 0; i < n; i++) {
dummyEnv.c = xypic.Frame.Point(startX + i * ac, startY + i * as);
dummyEnv.angle = angle;
object.toDropShape(dummyContext).draw(svg);
}
}
}
},
drawStraightLine: function (svg, s, e, shift, angle, t, variant, dasharray) {
if (variant === "3") {
var cx = t*Math.cos(angle+Math.PI/2);
var cy = t*Math.sin(angle+Math.PI/2);
svg.createSVGElement("line", {
x1:xypic.em2px(s.x+shift.x), y1:-xypic.em2px(s.y+shift.y),
x2:xypic.em2px(e.x), y2:-xypic.em2px(e.y),
"stroke-dasharray":dasharray
});
svg.createSVGElement("line", {
x1:xypic.em2px(s.x+cx+shift.x), y1:-xypic.em2px(s.y+cy+shift.y),
x2:xypic.em2px(e.x+cx), y2:-xypic.em2px(e.y+cy),
"stroke-dasharray":dasharray
});
svg.createSVGElement("line", {
x1:xypic.em2px(s.x-cx+shift.x), y1:-xypic.em2px(s.y-cy+shift.y),
x2:xypic.em2px(e.x-cx), y2:-xypic.em2px(e.y-cy),
"stroke-dasharray":dasharray
});
} else if (variant === "2") {
var cx = t*Math.cos(angle+Math.PI/2)/2;
var cy = t*Math.sin(angle+Math.PI/2)/2;
svg.createSVGElement("line", {
x1:xypic.em2px(s.x+cx+shift.x), y1:-xypic.em2px(s.y+cy+shift.y),
x2:xypic.em2px(e.x+cx), y2:-xypic.em2px(e.y+cy),
"stroke-dasharray":dasharray
});
svg.createSVGElement("line", {
x1:xypic.em2px(s.x-cx+shift.x), y1:-xypic.em2px(s.y-cy+shift.y),
x2:xypic.em2px(e.x-cx), y2:-xypic.em2px(e.y-cy),
"stroke-dasharray":dasharray
});
} else {
svg.createSVGElement("line", {
x1:xypic.em2px(s.x+shift.x), y1:-xypic.em2px(s.y+shift.y),
x2:xypic.em2px(e.x), y2:-xypic.em2px(e.y),
"stroke-dasharray":dasharray
});
}
},
drawSquigglyLineShape: function (svg, d, s, e, cx, cy, variant) {
var g1, g2;
if (variant === "3") {
svg.createSVGElement("path", { d:d });
g1 = svg.createGroup(svg.transformBuilder().translate(cx, cy));
g1.createSVGElement("path", { d:d });
g2 = svg.createGroup(svg.transformBuilder().translate(-cx, -cy));
g2.createSVGElement("path", { d:d });
} else if (variant === "2") {
g1 = svg.createGroup(svg.transformBuilder().translate(cx / 2, cy / 2));
g1.createSVGElement("path", { d:d });
g2 = svg.createGroup(svg.transformBuilder().translate(-cx / 2, -cy / 2));
g2.createSVGElement("path", { d:d });
} else {
svg.createSVGElement("path", { d:d });
}
}
});
xypic.CurveSegment = MathJax.Object.Subclass({
bezierFatLine: function (n) {
var p0 = this.cps[0], pn = this.cps[n];
var a, b, c;
if (p0.x !== pn.x || p0.y !== pn.y) {
a = p0.y-pn.y;
b = pn.x-p0.x;
l = Math.sqrt(a*a+b*b);
a /= l;
b /= l;
c = (p0.x*pn.y-p0.y*pn.x)/l;
} else {
var angle = this.bezier.angle(this.tmin);
a = -Math.sin(angle);
b = Math.cos(angle);
c = -a*this.cp0.x-b*this.cp0.y;
}
var cmin = c, cmax = c;
for (var i = 1; i < n; i++) {
var ci = -a*this.cps[i].x-b*this.cps[i].y;
if (ci > cmax) {
cmax = ci;
} else if (ci < cmin) {
cmin = ci;
}
}
return {min:[a, b, cmin], max:[a, b, cmax]};
},
clippedLineRange: function (ps, lineMin, lineMax) {
var n = ps.length - 1;
var es = new Array(n+1);
var extProd = xypic.Util.extProd;
for (var i = 0; i <= n; i++) {
es[i] = [i/n, -lineMin[0]*ps[i].x-lineMin[1]*ps[i].y-lineMin[2], 1];
}
var vminAgainstLineMin, vmaxAgainstLineMin, t;
if (es[0][1] < 0) {
var allLiesBelow = true;
for (i = 1; i <= n; i++) {
var l0i = extProd(es[0], es[i]);
v = -l0i[2]/l0i[0];
if (v > 0 && v < 1 && (vminAgainstLineMin === undefined || v < vminAgainstLineMin)) {
vminAgainstLineMin = v;
}
if (es[i][1] >= 0) {
allLiesBelow = false;
}
}
if (allLiesBelow) {
// clip away everything.
return undefined;
}
} else {
vminAgainstLineMin = 0;
}
if (es[n][1] < 0) {
for (i = 0; i < n; i++) {
var lni = extProd(es[n], es[i]);
v = -lni[2]/lni[0];
if (v > 0 && v < 1 && (vmaxAgainstLineMin === undefined || v > vmaxAgainstLineMin)) {
vmaxAgainstLineMin = v;
}
}
} else {
vmaxAgainstLineMin = 1;
}
for (i = 0; i <= n; i++) {
es[i] = [i/n, lineMax[0]*ps[i].x+lineMax[1]*ps[i].y+lineMax[2], 1];
}
var vminAgainstLineMax, vmaxAgainstLineMax;
if (es[0][1] < 0) {
var allLiesAbove = true;
for (i = 1; i <= n; i++) {
var l0i = extProd(es[0], es[i]);
v = -l0i[2]/l0i[0];
if (v > 0 && v < 1 && (vminAgainstLineMax === undefined || v < vminAgainstLineMax)) {
vminAgainstLineMax = v;
}
if (es[i][1] >= 0) {
allLiesAbove = false;
}
}
if (allLiesAbove) {
// clip away everything.
return undefined;
}
} else {
vminAgainstLineMax = 0;
}
if (es[n][1] < 0) {
for (i = 0; i < n; i++) {
var lni = extProd(es[n], es[i]);
v = -lni[2]/lni[0];
if (v > 0 && v < 1 && (vmaxAgainstLineMax === undefined || v > vmaxAgainstLineMax)) {
vmaxAgainstLineMax = v;
}
}
} else {
vmaxAgainstLineMax = 1;
}
var vmin = Math.max(vminAgainstLineMin, vminAgainstLineMax);
var vmax = Math.min(vmaxAgainstLineMin, vmaxAgainstLineMax);
return {min:this.tmin + vmin*(this.tmax - this.tmin), max:this.tmin + vmax*(this.tmax - this.tmin)};
}
}, {
findIntersections: function (segment0, segment1) {
var n = xypic.CurveSegment.maxIterations;
var acc = xypic.CurveSegment.goalAccuracy;
var queue = [[segment0, segment1, false]];
var i = 0;
var intersections = [];
while (i < n && queue.length > 0) {
i++;
var head = queue.shift();
var segment0 = head[0];
var segment1 = head[1];
var swapped = head[2];
// segment0.drawFatLine();
var fatLine = segment0.fatLine();
var tminMax = segment1.clippedRange(fatLine.min, fatLine.max);
if (tminMax == undefined) {
// clip away everything
continue;
}
var tmin = tminMax.min;
var tmax = tminMax.max;
var tlen = tmax - tmin;
if (tlen < acc && segment0.paramLength() < acc) {
// intersection found
if (swapped) {
intersections.push([segment1.clip(tmin, tmax).paramRange(), segment0.paramRange()]);
} else {
intersections.push([segment0.paramRange(), segment1.clip(tmin, tmax).paramRange()]);
}
continue;
}
if (tlen <= segment1.paramLength() * 0.8) {
queue.push([segment1.clip(tmin, tmax), segment0, !swapped]);
} else {
// subdivision
if (tlen > segment0.paramLength()) {
var tmid = (tmax + tmin)/2;
queue.push([segment1.clip(tmin, tmid), segment0, !swapped]);
queue.push([segment1.clip(tmid, tmax), segment0, !swapped]);
} else {
var newSegment = segment1.clip(tmin, tmax);
var range0 = segment0.paramRange();
var mid0 = (range0.min + range0.max)/2;
queue.push([newSegment, segment0.clip(range0.min, mid0), !swapped]);
queue.push([newSegment, segment0.clip(mid0, range0.max), !swapped]);
}
}
}
return intersections;
},
maxIterations: 30,
goalAccuracy: 1e-4
});
xypic.CurveSegment.Line = xypic.CurveSegment.Subclass({
Init: function (p0, p1, tmin, tmax) {
this.p0 = p0;
this.p1 = p1;
this.tmin = tmin;
this.tmax = tmax;
},
paramRange: function () { return {min:this.tmin, max:this.tmax}; },
paramLength: function () { return this.tmax - this.tmin; },
containsParam: function (t) { return t >= this.tmin && t <= this.tmax; },
position: function (t) {
return {
x:this.p0.x + t*(this.p1.x - this.p0.x),
y:this.p0.y + t*(this.p1.y - this.p0.y)
};
},
fatLine: function () {
var a = (this.p1.y - this.p0.y), b = (this.p0.x - this.p1.x), c = this.p1.x*this.p0.y - this.p0.x*this.p1.y;
var l = Math.sqrt(a * a + b * b);
if (l === 0) {
a = 1;
b = 0;
} else {
a /= l;
b /= l;
c /= l;
}
return {min:[a, b, c], max:[a, b, c]};
},
clip: function (tmin, tmax) {
return xypic.CurveSegment.Line(this.p0, this.p1, tmin, tmax);
},
clippedRange: function (lineMin, lineMax) {
var ps = new Array(2);
ps[0] = this.position(this.tmin);
ps[1] = this.position(this.tmax);
return this.clippedLineRange(ps, lineMin, lineMax);
},
drawFatLine: function () {
var fatLine = this.fatLine();
var lmin = fatLine.min;
var y = function (x, l) {
return -(x*l[0] + l[2])/l[1];
}
var xmin = this.p0.x;
var xmax = this.p1.x;
xypic.svgForDebug.createSVGElement("line", {
x1:xypic.em2px(xmin), y1:-xypic.em2px(y(xmin, lmax)),
x2:xypic.em2px(xmax), y2:-xypic.em2px(y(xmax, lmax)),
"stroke-width":xypic.em2px(0.02 * xypic.oneem), stroke:"red"
});
}
});
xypic.CurveSegment.QuadBezier = xypic.CurveSegment.Subclass({
Init: function (bezier, tmin, tmax) {
this.bezier = bezier;
this.tmin = tmin;
this.tmax = tmax;
this.cp0 = bezier.position(tmin);
this.cp1 = xypic.Frame.Point(
(1-tmax)*(1-tmin)*bezier.cp0.x + (tmin+tmax-2*tmin*tmax)*bezier.cp1.x + tmin*tmax*bezier.cp2.x,
(1-tmax)*(1-tmin)*bezier.cp0.y + (tmin+tmax-2*tmin*tmax)*bezier.cp1.y + tmin*tmax*bezier.cp2.y
);
this.cp2 = bezier.position(tmax);
this.cps = [this.cp0, this.cp1, this.cp2];
},
paramRange: function () { return {min:this.tmin, max:this.tmax}; },
paramLength: function () { return this.tmax - this.tmin; },
fatLine: function () { return this.bezierFatLine(2); },
clip: function (tmin, tmax) {
return xypic.CurveSegment.QuadBezier(this.bezier, tmin, tmax);
},
clippedRange: function (lineMin, lineMax) {
return this.clippedLineRange(this.cps, lineMin, lineMax);
},
drawFatLine: function () {
var fatLine = this.fatLine();
var lmin = fatLine.min;
var lmax = fatLine.max;
var y = function (x, l) {
return -(x*l[0] + l[2])/l[1];
}
var xmin = this.cp0.x
var xmax = this.cp2.x
xypic.svgForDebug.createSVGElement("line", {
x1:xypic.em2px(xmin), y1:-xypic.em2px(y(xmin, lmin)),
x2:xypic.em2px(xmax), y2:-xypic.em2px(y(xmax, lmin)),
"stroke-width":xypic.em2px(0.02 * xypic.oneem), stroke:"blue"
});
xypic.svgForDebug.createSVGElement("line", {
x1:xypic.em2px(xmin), y1:-xypic.em2px(y(xmin, lmax)),
x2:xypic.em2px(xmax), y2:-xypic.em2px(y(xmax, lmax)),
"stroke-width":xypic.em2px(0.02 * xypic.oneem), stroke:"red"
});
}
});
xypic.CurveSegment.CubicBezier = xypic.CurveSegment.Subclass({
Init: function (bezier, tmin, tmax) {
this.bezier = bezier;
this.tmin = tmin;
this.tmax = tmax;
this.cp0 = bezier.position(tmin);
this.cp1 = xypic.Frame.Point(
(1-tmax)*(1-tmin)*(1-tmin)*bezier.cp0.x + (1-tmin)*(2*tmin+tmax-3*tmin*tmax)*bezier.cp1.x + tmin*(2*tmax+tmin-3*tmin*tmax)*bezier.cp2.x + tmin*tmin*tmax*bezier.cp3.x,
(1-tmax)*(1-tmin)*(1-tmin)*bezier.cp0.y + (1-tmin)*(2*tmin+tmax-3*tmin*tmax)*bezier.cp1.y + tmin*(2*tmax+tmin-3*tmin*tmax)*bezier.cp2.y + tmin*tmin*tmax*bezier.cp3.y
);
this.cp2 = xypic.Frame.Point(
(1-tmin)*(1-tmax)*(1-tmax)*bezier.cp0.x + (1-tmax)*(2*tmax+tmin-3*tmin*tmax)*bezier.cp1.x + tmax*(2*tmin+tmax-3*tmin*tmax)*bezier.cp2.x + tmin*tmax*tmax*bezier.cp3.x,
(1-tmin)*(1-tmax)*(1-tmax)*bezier.cp0.y + (1-tmax)*(2*tmax+tmin-3*tmin*tmax)*bezier.cp1.y + tmax*(2*tmin+tmax-3*tmin*tmax)*bezier.cp2.y + tmin*tmax*tmax*bezier.cp3.y
);
this.cp3 = bezier.position(tmax);
this.cps = [this.cp0, this.cp1, this.cp2, this.cp3];
},
paramRange: function () { return {min:this.tmin, max:this.tmax}; },
paramLength: function () { return this.tmax - this.tmin; },
fatLine: function () { return this.bezierFatLine(3); },
clip: function (tmin, tmax) {
return xypic.CurveSegment.CubicBezier(this.bezier, tmin, tmax);
},
clippedRange: function (lineMin, lineMax) {
return this.clippedLineRange(this.cps, lineMin, lineMax);
},
drawFatLine: function () {
var fatLine = this.fatLine();
var lmin = fatLine.min;
var lmax = fatLine.max;
var y = function (x, l) {
return -(x*l[0] + l[2])/l[1];
}
var xmin = this.cp0.x
var xmax = this.cp3.x
xypic.svgForDebug.createSVGElement("line", {
x1:xypic.em2px(xmin), y1:-xypic.em2px(y(xmin, lmin)),
x2:xypic.em2px(xmax), y2:-xypic.em2px(y(xmax, lmin)),
"stroke-width":xypic.em2px(0.02 * xypic.oneem), stroke:"blue"
});
xypic.svgForDebug.createSVGElement("line", {
x1:xypic.em2px(xmin), y1:-xypic.em2px(y(xmin, lmax)),
x2:xypic.em2px(xmax), y2:-xypic.em2px(y(xmax, lmax)),
"stroke-width":xypic.em2px(0.02 * xypic.oneem), stroke:"red"
});
}
});
xypic.CurveSegment.Arc = xypic.CurveSegment.Subclass({
Init: function (x, y, rx, ry, angleMin, angleMax) {
this.x = x;
this.y = y;
this.rx = rx;
this.ry = ry;
this.angleMin = angleMin;
this.angleMax = angleMax;
},
paramRange: function () { return { min:this.angleMin, max:this.angleMax }; },
paramLength: function () { return this.angleMax - this.angleMin; },
normalizeAngle: function (angle) {
angle = angle % 2 * Math.PI;
if (angle > Math.PI) {
return angle - 2 * Math.PI;
}
if (angle < -Math.PI) {
return angle + 2 * Math.PI;
}
return angle;
},
containsParam: function (angle) { return angle >= this.angleMin && angle <= this.angleMax; },
fatLine: function () {
var rx = this.rx;
var ry = this.ry;
var tp = (this.angleMax + this.angleMin) / 2;
var tm = (this.angleMax - this.angleMin) / 2;
var cosp = Math.cos(tp), sinp = Math.sin(tp);
var r = Math.sqrt(rx * rx * sinp * sinp + ry * ry * cosp * cosp);
if (r < AST.xypic.machinePrecision) {
var Lmin = [1, 0, this.x * ry * cosp + this.y * rx * sinp + rx * ry * Math.cos(tm)];
var Lmax = [1, 0, this.x * ry * cosp + this.y * rx * sinp + rx * ry];
} else {
var rrx = rx / r;
var rry = ry / r;
var Lmin = [-rry * cosp, -rrx * sinp, this.x * rry * cosp + this.y * rrx * sinp + rx * ry / r * Math.cos(tm)];
var Lmax = [-rry * cosp, -rrx * sinp, this.x * rry * cosp + this.y * rrx * sinp + rx * ry / r];
}
return { min:Lmin, max:Lmax };
},
clip: function (angleMin, angleMax) {
return xypic.CurveSegment.Arc(this.x, this.y, this.rx, this.ry, angleMin, angleMax);
},
toCircleLine: function (line, x0, y0, rx, ry) {
var a = line[0];
var b = line[1];
var c = line[2];
var a2 = a * rx;
var b2 = b * ry;
var c2 = c * rx + (rx - ry) * b * y0;
var l = Math.sqrt(a2 * a2 + b2 * b2);
if (l < AST.xypic.machinePrecision) {
a2 = 1;
b2 = 0;
} else {
a2 /= l;
b2 /= l;
c2 /= l;
}
return [a2, b2, c2];
},
clippedRange: function (origLineMin, origLineMax) {
var x = this.x;
var y = this.y;
var rx = this.rx;
var ry = this.ry;
var lineMin = this.toCircleLine(origLineMin, x, y, rx, ry);
var lineMax = this.toCircleLine(origLineMax, x, y, rx, ry);
var r = rx;
var angleMin = this.angleMin;
var angleMax = this.angleMax;
var d = -(lineMin[0] * x + lineMin[1] * y + lineMin[2]);
var sign = xypic.Util.sign2;
var angles = [];
var det = r * r - d * d;
if (det >= 0) {
var xp = lineMin[0] * d - lineMin[1] * Math.sqrt(r * r - d * d);
var yp = lineMin[1] * d + lineMin[0] * Math.sqrt(r * r - d * d);
var xm = lineMin[0] * d + lineMin[1] * Math.sqrt(r * r - d * d);
var ym = lineMin[1] * d - lineMin[0] * Math.sqrt(r * r - d * d);
var anglep = Math.atan2(yp, xp);
var anglem = Math.atan2(ym, xm);
if (this.containsParam(anglep)) {
angles.push(anglep);
}
if (this.containsParam(anglem)) {
angles.push(anglem);
}
}
var d0 = -(lineMin[0] * (x + r * Math.cos(angleMin)) + lineMin[1] * (y + r * Math.sin(angleMin)) + lineMin[2]);
var d1 = -(lineMin[0] * (x + r * Math.cos(angleMax)) + lineMin[1] * (y + r * Math.sin(angleMax)) + lineMin[2]);
var angleMinAgainstLineMin, angleMaxAgainstLineMin;
if (d0 < 0) {
if (angles.length == 0) {
// no intersection
return undefined;
}
angleMinAgainstLineMin = Math.min.apply(Math, angles);
} else {
angleMinAgainstLineMin = this.angleMin;
}
if (d1 < 0) {
if (angles.length == 0) {
// no intersection
return undefined;
}
angleMaxAgainstLineMin = Math.max.apply(Math, angles);
} else {
angleMaxAgainstLineMin = this.angleMax;
}
var d = lineMax[0] * x + lineMax[1] * y + lineMax[2];
var angles = [];
var det = r * r - d * d;
if (det >= 0) {
var xp = -lineMin[0] * d + lineMin[1] * Math.sqrt(r * r - d * d);
var yp = -lineMin[1] * d - lineMin[0] * Math.sqrt(r * r - d * d);
var xm = -lineMin[0] * d - lineMin[1] * Math.sqrt(r * r - d * d);
var ym = -lineMin[1] * d + lineMin[0] * Math.sqrt(r * r - d * d);
var anglep = Math.atan2(yp, xp);
var anglem = Math.atan2(ym, xm);
if (this.containsParam(anglep)) {
angles.push(anglep);
}
if (this.containsParam(anglem)) {
angles.push(anglem);
}
}
var d0 = lineMax[0] * (x + r * Math.cos(angleMin)) + lineMax[1] * (y + r * Math.sin(angleMin)) + lineMax[2];
var d1 = lineMax[0] * (x + r * Math.cos(angleMax)) + lineMax[1] * (y + r * Math.sin(angleMax)) + lineMax[2];
var angleMinAgainstLineMax, angleMaxAgainstLineMax;
if (d0 < 0) {
if (angles.length == 0) {
// no intersection
return undefined;
}
angleMinAgainstLineMax = Math.min.apply(Math, angles);
} else {
angleMinAgainstLineMax = this.angleMin;
}
if (d1 < 0) {
if (angles.length == 0) {
// no intersection
return undefined;
}
angleMaxAgainstLineMax = Math.max.apply(Math, angles);
} else {
angleMaxAgainstLineMax = this.angleMax;
}
return {
min:Math.max(angleMinAgainstLineMin, angleMinAgainstLineMax),
max:Math.min(angleMaxAgainstLineMin, angleMaxAgainstLineMax)
};
},
drawFatLine: function () {
var fatLine = this.fatLine();
var lmin = fatLine.min;
var lmax = fatLine.max;
var y = function (x, l) {
return -(x * l[0] + l[2]) / l[1];
}
var x0 = this.x + this.r * Math.cos(this.angleMin);
var x1 = this.x + this.r * Math.cos(this.angleMax);
var xmin = x0;
var xmax = x1;
xypic.svgForDebug.createSVGElement("line", {
x1:xypic.em2px(xmin), y1:-xypic.em2px(y(xmin, lmin)),
x2:xypic.em2px(xmax), y2:-xypic.em2px(y(xmax, lmin)),
"stroke-width":xypic.em2px(0.02 * xypic.oneem), stroke:"blue"
});
xypic.svgForDebug.createSVGElement("line", {
x1:xypic.em2px(xmin), y1:-xypic.em2px(y(xmin, lmax)),
x2:xypic.em2px(xmax), y2:-xypic.em2px(y(xmax, lmax)),
"stroke-width":xypic.em2px(0.02 * xypic.oneem), stroke:"red"
});
}
});
xypic.LastCurve = MathJax.Object.Subclass({});
xypic.LastCurve.None = xypic.LastCurve.Subclass({
Init: function () {},
isDefined: false,
segments: function () { return []; },
angle: function () { return 0; }
});
xypic.LastCurve.Augment({}, {
none: xypic.LastCurve.None()
});
xypic.LastCurve.Line = xypic.LastCurve.Subclass({
Init: function (start, end, p, c, lineShape) {
this.start = start;
this.end = end;
this.p = p;
this.c = c;
this.lineShape = lineShape; // line from start to end.
},
isDefined: true,
position: function (t) {
return xypic.Frame.Point(
this.p.x + t*(this.c.x - this.p.x),
this.p.y + t*(this.c.y - this.p.y)
);
},
derivative: function (t) {
return xypic.Frame.Point(
this.c.x - this.p.x,
this.c.y - this.p.y
);
},
angle: function (t) {
var dx = this.c.x - this.p.x;
var dy = this.c.y - this.p.y;
if (dx === 0 && dy === 0) {
return 0;
}
return Math.atan2(dy, dx);
},
tOfPlace: function (shaveP, shaveC, factor, slideEm) {
var start = (shaveP? this.start : this.p);
var end = (shaveC? this.end : this.c);
if (start.x === end.x && start.y === end.y) {
return 0;
} else {
var dx = end.x - start.x;
var dy = end.y - start.y;
var l = Math.sqrt(dx * dx + dy * dy);
var x, y;
if (factor > 0.5) {
x = end.x - (1 - factor) * dx + slideEm * dx / l;
y = end.y - (1 - factor) * dy + slideEm * dy / l;
} else {
x = start.x + factor * dx + slideEm * dx / l;
y = start.y + factor * dy + slideEm * dy / l;
}
var tx = this.c.x - this.p.x;
var ty = this.c.y - this.p.y;
if (tx === 0 && ty === 0) {
return 0;
}
if (Math.abs(tx) > Math.abs(ty)) {
return (x - this.p.x) / tx;
} else {
return (y - this.p.y) / ty;
}
}
},
sliceHole: function (holeFrame, t) {
if (this.lineShape === undefined || holeFrame.isPoint()) {
return;
}
var shape = this.lineShape;
var line = shape.line;
var intersections = line.tOfIntersections(holeFrame); // ts of the line from start to end.
intersections.push(0);
intersections.push(1);
intersections.sort();
var t0 = intersections[0], t1;
for (var i = 1; i < intersections.length; i++) {
var t1 = intersections[i];
var p = line.position((t1 + t0) / 2);
if (holeFrame.contains(p)) {
var range = xypic.Range(t0, t1);
shape.sliceHole(range);
}
t0 = t1;
}
},
segments: function () {
return [xypic.CurveSegment.Line(this.p, this.c, 0, 1)];
}
});
xypic.LastCurve.QuadBezier = xypic.LastCurve.Subclass({
Init: function (origBezier, tOfShavedStart, tOfShavedEnd, curveShape) {
this.origBezier = origBezier; // unshaved
this.tOfShavedStart = tOfShavedStart;
this.tOfShavedEnd = tOfShavedEnd;
if (!curveShape.isNone) {
this.curveShape = curveShape;
if (tOfShavedStart > 0) { curveShape.sliceHole(xypic.Range(0, tOfShavedStart)); }
if (tOfShavedEnd < 1) { curveShape.sliceHole(xypic.Range(tOfShavedEnd, 1)); }
}
},
isDefined: true,
position: function (t) {
return this.origBezier.position(t);
},
derivative: function (t) {
return this.origBezier.derivative(t);
},
angle: function (t) {
return this.origBezier.angle(t);
},
tOfPlace: function (shaveP, shaveC, factor, slide) {
var offset;
var normalizer;
if (shaveP) {
offset = this.tOfShavedStart;
if (shaveC) {
normalizer = this.tOfShavedEnd - this.tOfShavedStart;
} else {
normalizer = 1 - this.tOfShavedStart;
}
} else {
offset = 0;
if (shaveC) {
normalizer = this.tOfShavedEnd;
} else {
normalizer = 1;
}
}
var bezier = this.origBezier;
var pos, angle;
var normalizedFactor = offset + normalizer * factor;
if (slide !== 0) {
var fd = bezier.length(normalizedFactor);
normalizedFactor = bezier.tOfLength(fd + slide);
}
return normalizedFactor;
},
sliceHole: function (holeFrame, t) {
var shape = this.curveShape;
if (shape === undefined || holeFrame.isPoint()) {
return;
}
var curve = shape.curve;
var intersections = curve.tOfIntersections(holeFrame); // ts of the curve from p to c.
intersections.push(0);
intersections.push(1);
intersections.sort();
var t0 = intersections[0], t1;
for (var i = 1; i < intersections.length; i++) {
var t1 = intersections[i];
if (t0 <= t && t <= t1) {
var p = curve.position((t1 + t0) / 2);
if (holeFrame.contains(p)) {
var range = xypic.Range(t0, t1);
shape.sliceHole(range);
}
}
t0 = t1;
}
},
segments: function () {
return [xypic.CurveSegment.QuadBezier(this.origBezier, 0, 1)];
}
});
xypic.LastCurve.CubicBezier = xypic.LastCurve.Subclass({
Init: function (origBezier, tOfShavedStart, tOfShavedEnd, curveShape) {
this.origBezier = origBezier; // unshaved
this.tOfShavedStart = tOfShavedStart;
this.tOfShavedEnd = tOfShavedEnd;
if (!curveShape.isNone) {
this.curveShape = curveShape;
if (tOfShavedStart > 0) { curveShape.sliceHole(xypic.Range(0, tOfShavedStart)); }
if (tOfShavedEnd < 1) { curveShape.sliceHole(xypic.Range(tOfShavedEnd, 1)); }
}
},
originalLine: function () {
return this.originalLine;
},
isDefined: true,
position: function (t) {
return this.origBezier.position(t);
},
derivative: function (t) {
return this.origBezier.derivative(t);
},
angle: function (t) {
return this.origBezier.angle(t);
},
tOfPlace: function (shaveP, shaveC, factor, slide) {
var offset;
var normalizer;
if (shaveP) {
offset = this.tOfShavedStart;
if (shaveC) {
normalizer = this.tOfShavedEnd - this.tOfShavedStart;
} else {
normalizer = 1 - this.tOfShavedStart;
}
} else {
offset = 0;
if (shaveC) {
normalizer = this.tOfShavedEnd;
} else {
normalizer = 1;
}
}
var bezier = this.origBezier;
var pos, angle;
var normalizedFactor = offset + normalizer * factor;
if (slide !== 0) {
var fd = bezier.length(normalizedFactor);
normalizedFactor = bezier.tOfLength(fd + slide);
}
return normalizedFactor;
},
sliceHole: function (holeFrame, t) {
var shape = this.curveShape;
if (shape === undefined || holeFrame.isPoint()) {
return;
}
var curve = shape.curve;
var intersections = curve.tOfIntersections(holeFrame); // ts of the curve from p to c.
intersections.push(0);
intersections.push(1);
intersections.sort();
var t0 = intersections[0], t1;
for (var i = 1; i < intersections.length; i++) {
var t1 = intersections[i];
if (t0 <= t && t <= t1) {
var p = curve.position((t1 + t0) / 2);
if (holeFrame.contains(p)) {
var range = xypic.Range(t0, t1);
shape.sliceHole(range);
}
}
t0 = t1;
}
},
segments: function () {
return [xypic.CurveSegment.CubicBezier(this.origBezier, 0, 1)];
}
});
xypic.LastCurve.CubicBSpline = xypic.LastCurve.Subclass({
Init: function (s, e, origBeziers, tOfShavedStart, tOfShavedEnd, curveShape) {
this.s = s;
this.e = e;
this.origBeziers = origBeziers; // unshaved
this.tOfShavedStart = tOfShavedStart;
this.tOfShavedEnd = tOfShavedEnd;
if (!curveShape.isNone) {
this.curveShape = curveShape;
if (tOfShavedStart > 0) { curveShape.sliceHole(xypic.Range(0, tOfShavedStart)); }
if (tOfShavedEnd < 1) { curveShape.sliceHole(xypic.Range(tOfShavedEnd, 1)); }
}
},
isDefined: true,
position: function (t) {
return this.origBeziers.position(t);
},
derivative: function (t) {
return this.origBeziers.derivative(t);
},
angle: function (t) {
return this.origBeziers.angle(t);
},
tOfPlace: function (shaveP, shaveC, factor, slide) {
var offset;
var normalizer;
if (shaveP) {
offset = this.tOfShavedStart;
if (shaveC) {
normalizer = this.tOfShavedEnd - this.tOfShavedStart;
} else {
normalizer = 1 - this.tOfShavedStart;
}
} else {
offset = 0;
if (shaveC) {
normalizer = this.tOfShavedEnd;
} else {
normalizer = 1;
}
}
var beziers = this.origBeziers;
var pos, angle;
var normalizedFactor = offset + normalizer * factor;
if (slide !== 0) {
var fd = beziers.length(normalizedFactor);
normalizedFactor = beziers.tOfLength(fd + slide);
}
return normalizedFactor;
},
sliceHole: function (holeFrame, t) {
var shape = this.curveShape;
if (shape === undefined || holeFrame.isPoint()) {
return;
}
var curve = shape.curve;
var intersections = curve.tOfIntersections(holeFrame); // ts of the curve from p to c.
intersections.push(0);
intersections.push(1);
intersections.sort();
var t0 = intersections[0], t1;
for (var i = 1; i < intersections.length; i++) {
var t1 = intersections[i];
if (t0 <= t && t <= t1) {
var p = curve.position((t1 + t0) / 2);
if (holeFrame.contains(p)) {
var range = xypic.Range(t0, t1);
shape.sliceHole(range);
}
}
t0 = t1;
}
},
segments: function () {
var segments = new Array(this.origBeziers.length);
var n = segments.length;
for (var i = 0; i < n; i++) {
segments[i] = xypic.CurveSegment.CubicBezier(this.origBezier, i/n, (i+1)/n);
}
return segments;
}
});
xypic.Saving = MathJax.Object.Subclass({});
xypic.Saving.Position = MathJax.Object.Subclass({
Init: function (pos) {
this.pos = pos;
},
position: function (context) {
return this.pos;
},
toString: function () {
return this.pos.toString();
}
});
xypic.Saving.Macro = MathJax.Object.Subclass({
Init: function (macro) {
this.macro = macro;
},
position: function (context) {
env.c = this.macro.position(context);
return env.c;
},
toString: function () {
return this.macro.toString();
}
});
xypic.Saving.Base = MathJax.Object.Subclass({
Init: function (origin, xBase, yBase) {
this.origin = origin;
this.xBase = xBase;
this.yBase = yBase;
},
position: function (context) {
var env = context.env;
env.origin = this.origin;
env.xBase = this.xBase;
env.yBase = this.yBase;
return env.c;
},
toString: function () {
return "origin:" + this.origin + ", xBase:" + this.xBase + ", yBase:" + this.yBase;
}
});
xypic.Saving.Stack = MathJax.Object.Subclass({
Init: function (stack) {
this.stack = stack;
},
position: function (context) {
var env = context.env;
if (!this.stack.isEmpty) {
this.stack.tail.reverse().foreach(function (p) {
env.capturePosition(p);
});
env.c = this.stack.head;
}
return env.c;
},
toString: function () {
return this.stack.toString();
}
});
xypic.Env = MathJax.Object.Subclass({
Init: function () {
var onemm = xypic.length2em("1mm");
this.origin = {x:0, y:0};
this.xBase = {x:onemm, y:0};
this.yBase = {x:0, y:onemm};
this.savedPosition = {};
this.stateStack = FP.List.empty;
this.stackFrames = FP.List.empty;
this.stack = FP.List.empty;
this.angle = 0; // radian
this.lastCurve = xypic.LastCurve.none;
this.p = this.c = xypic.Env.originPosition;
this.shouldCapturePos = false;
this.capturedPositions = FP.List.empty;
this.objectmargin = AST.xypic.objectmargin;
this.objectheight = AST.xypic.objectheight;
this.objectwidth = AST.xypic.objectwidth;
this.labelmargin = AST.xypic.labelmargin;
},
duplicate: function () {
var newEnv = xypic.Env();
xypic.Env.copyFields(this, newEnv);
return newEnv;
},
saveState: function () {
var currentState = this.duplicate();
this.stateStack = this.stateStack.prepend(currentState);
},
restoreState: function () {
if (!this.stateStack.isEmpty) {
var savedState = this.stateStack.head;
this.stateStack = this.stateStack.tail;
xypic.Env.copyFields(savedState, this);
}
},
absVector: function (x, y) {
var ax = this.origin.x + x * this.xBase.x + y * this.yBase.x;
var ay = this.origin.y + x * this.xBase.y + y * this.yBase.y;
return {x:ax, y:ay};
},
inverseAbsVector: function (ax, ay) {
var bxx = this.xBase.x;
var bxy = this.xBase.y;
var byx = this.yBase.x;
var byy = this.yBase.y;
var det = bxx * byy - bxy * byx;
var dx = ax - this.origin.x;
var dy = ay - this.origin.y
var x = (byy * dx - byx * dy) / det;
var y = (-bxy * dx + bxx * dy) / det;
return {x:x, y:y};
},
setOrigin: function (x, y) {
this.origin = {x:x, y:y};
},
setXBase: function (x, y) {
this.xBase = {x:x, y:y};
},
setYBase: function (x, y) {
this.yBase = {x:x, y:y};
},
swapPAndC: function () {
var t = this.p;
this.p = this.c;
this.c = t;
},
enterStackFrame: function () {
this.stackFrames = this.stackFrames.prepend(this.stack);
this.initStack();
},
leaveStackFrame: function () {
if (!this.stackFrames.isEmpty) {
this.stack = this.stackFrames.head;
this.stackFrames = this.stackFrames.tail;
} else {
this.initStack();
}
},
savePos: function (id, pos) {
this.savedPosition[id] = pos;
},
startCapturePositions: function () {
this.shouldCapturePos = true;
this.capturedPositions = FP.List.empty;
},
endCapturePositions: function () {
this.shouldCapturePos = false;
var positions = this.capturedPositions;
this.capturedPositions = FP.List.empty;
return positions;
},
capturePosition: function (pos) {
if (this.shouldCapturePos && pos !== undefined) {
this.capturedPositions = this.capturedPositions.prepend(pos);
}
},
pushPos: function (pos) {
if (pos !== undefined) {
this.stack = this.stack.prepend(pos);
}
},
popPos: function () {
if (this.stack.isEmpty) {
throw xypic.ExecutionError("cannot pop from the empty stack");
} else {
var pos = this.stack.head;
this.stack = this.stack.tail;
return pos;
}
},
initStack: function () {
this.stack = FP.List.empty;
},
setStack: function (positions) {
this.stack = positions;
},
stackAt: function (number) {
return this.stack.at(number);
},
lookupPos: function (id, errorMessage) {
var pos = this.savedPosition[id];
if (pos === undefined) {
if (errorMessage !== undefined) {
throw xypic.ExecutionError(errorMessage);
} else {
throw xypic.ExecutionError('<pos> "' + id + '" not defined.');
}
} else {
return pos;
}
},
toString: function () {
var savedPositionDesc = "";
for (var id in this.savedPosition) {
if (this.savedPosition.hasOwnProperty(id)) {
if (savedPositionDesc.length > 0) {
savedPositionDesc += ", "
}
savedPositionDesc += id.toString()+":"+this.savedPosition[id];
}
}
return "Env\n p:"+this.p+"\n c:"+this.c+"\n angle:"+this.angle+"\n lastCurve:"+this.lastCurve+"\n savedPosition:{"+savedPositionDesc+"}\n origin:{x:"+this.origin.x+", y:"+this.origin.y+"}\n xBase:{x:"+this.xBase.x+", y:"+this.xBase.y+"}\n yBase:{x:"+this.yBase.x+", y:"+this.yBase.y+"}\n stackFrames:"+this.stackFrames+"\n stack:"+this.stack+"\n shouldCapturePos:"+this.shouldCapturePos+"\n capturedPositions:"+this.capturedPositions;
}
}, {
originPosition: xypic.Frame.Point(0, 0),
copyFields: function (from, to) {
for (var attr in from) {
if (from.hasOwnProperty(attr)) {
to[attr] = from[attr];
}
}
to.savedPosition = {};
for (var id in from.savedPosition) {
if (from.savedPosition.hasOwnProperty(id)) {
to.savedPosition[id] = from.savedPosition[id];
}
}
}
});
AST.PosDecor.Augment({
toShape: function (context) {
this.pos.toShape(context);
this.decor.toShape(context);
}
});
AST.Pos.Coord.Augment({
toShape: function (context) {
context.env.c = this.coord.position(context);
this.pos2s.foreach(function (p) { p.toShape(context); });
}
});
AST.Pos.Plus.Augment({
toShape: function (context) {
var env = context.env;
var pos = this.coord.position(context);
env.c = pos.move(env.c.x + pos.x, env.c.y + pos.y);
}
});
AST.Pos.Minus.Augment({
toShape: function (context) {
var env = context.env;
var pos = this.coord.position(context);
env.c = pos.move(env.c.x - pos.x, env.c.y - pos.y);
}
});
AST.Pos.Skew.Augment({
toShape: function (context) {
var env = context.env;
var pos = this.coord.position(context);
var rp = xypic.Frame.Point(pos.x + env.c.x, pos.y + env.c.y);
env.c = rp.combineRect(env.c);
}
});
AST.Pos.Cover.Augment({
toShape: function (context) {
var env = context.env;
var pos = this.coord.position(context);
env.c = env.c.combineRect(pos);
}
});
AST.Pos.Then.Augment({
toShape: function (context) {
var env = context.env;
env.capturePosition(env.c);
env.c = this.coord.position(context);
}
});
AST.Pos.SwapPAndC.Augment({
toShape: function (context) {
var env = context.env;
env.swapPAndC();
env.c = this.coord.position(context);
}
});
AST.Pos.SetBase.Augment({
toShape: function (context) {
var env = context.env;
var p = env.p;
var x = env.c.x - p.x;
var y = env.c.y - p.y;
env.setOrigin(p.x, p.y);
env.setXBase(x, y);
env.setYBase(-y, x);
env.c = this.coord.position(context);
}
});
AST.Pos.SetYBase.Augment({
toShape: function (context) {
var env = context.env;
env.setYBase(env.c.x - env.origin.x, env.c.y - env.origin.y);
env.c = this.coord.position(context);
}
});
AST.Pos.ConnectObject.Augment({
toShape: function (context) {
this.object.toConnectShape(context);
}
});
AST.Pos.DropObject.Augment({
toShape: function (context) {
this.object.toDropShape(context);
}
});
AST.Pos.Place.Augment({
toShape: function (context) {
var env = context.env;
if (env.lastCurve.isDefined) {
var place = this.place;
var start, end, f, dimen;
var shouldShaveP = (place.shaveP > 0);
var shouldShaveC = (place.shaveC > 0);
var jotP = (shouldShaveP? place.shaveP - 1 : 0);
var jotC = (shouldShaveC? place.shaveC - 1 : 0);
if (shouldShaveP) { f = 0; }
if (shouldShaveC) { f = 1; }
if (shouldShaveP == shouldShaveC) {
f = 0.5;
}
if (place.factor !== undefined) {
if (place.factor.isIntercept) {
shouldShaveC = shouldShaveP = false;
f = place.factor.value(context);
if (f === undefined) {
return;
}
} else {
f = place.factor.value(context);
}
}
dimen = xypic.length2em(place.slide.dimen.getOrElse("0"));
var jot = AST.xypic.jot;
var slideEm = dimen + (jotP - jotC) * jot;
var t = env.lastCurve.tOfPlace(shouldShaveP, shouldShaveC, f, slideEm);
var pos = env.lastCurve.position(t);
var angle = env.lastCurve.angle(t);
env.c = pos;
env.angle = angle;
return t;
}
return undefined;
}
});
AST.Pos.PushCoord.Augment({
toShape: function (context) {
var env = context.env;
var pos = this.coord.position(context);
env.pushPos(pos);
}
});
AST.Pos.EvalCoordThenPop.Augment({
toShape: function (context) {
var env = context.env;
env.c = this.coord.position(context);
env.popPos();
}
});
AST.Pos.LoadStack.Augment({
toShape: function (context) {
var env = context.env;
env.startCapturePositions();
this.coord.position(context);
var positions = env.endCapturePositions();
env.setStack(positions);
env.pushPos(env.c);
}
});
AST.Pos.DoCoord.Augment({
toShape: function (context) {
var env = context.env;
var coord = this.coord;
var pos = env.stack.reverse();
pos.foreach(function (c) {
env.c = c;
coord.position(context);
});
}
});
AST.Pos.InitStack.Augment({
toShape: function (context) {
context.env.initStack();
}
});
AST.Pos.EnterFrame.Augment({
toShape: function (context) {
context.env.enterStackFrame();
}
});
AST.Pos.LeaveFrame.Augment({
toShape: function (context) {
context.env.leaveStackFrame();
}
});
AST.Place.Factor.Augment({
value: function (context) {
return this.factor;
}
});
AST.Place.Intercept.Augment({
value: function (context) {
var env = context.env;
if (!env.lastCurve.isDefined) {
return undefined;
}
var tmpEnv = env.duplicate();
tmpEnv.angle = 0;
tmpEnv.lastCurve = xypic.LastCurve.none;
tmpEnv.p = tmpEnv.c = xypic.Env.originPosition;
var tmpContext = xypic.DrawingContext(xypic.Shape.none, tmpEnv);
var box = this.pos.toShape(tmpContext);
context.appendShapeToFront(tmpContext.shape);
if (!tmpEnv.lastCurve.isDefined) {
tmpEnv.lastCurve = xypic.LastCurve.Line(tmpEnv.p, tmpEnv.c, tmpEnv.p, tmpEnv.c, undefined);
}
var intersec = [];
var thisSegs = env.lastCurve.segments();
var thatSegs = tmpEnv.lastCurve.segments();
for (var i = 0; i < thisSegs.length; i++) {
for (var j = 0; j < thatSegs.length; j++) {
intersec = intersec.concat(xypic.CurveSegment.findIntersections(thisSegs[i], thatSegs[j]));
}
}
if (intersec.length === 0) {
// find the nearest point, if no intersection was found.
console.log("perhaps no curve intersection.");
// Levenberg-Marqardt Method
var line0 = env.lastCurve;
var line1 = tmpEnv.lastCurve;
var n = 100; // maxIterations
var goalAccuracy = 1e-5;
var tau = 1e-3;
var k = 0;
var nu = 2;
// TODO: 複数個の開始地点から探索し、尤もらしい解を選択する。
var x0 = 0;
var x1 = 0;
var tx = function (x) {
return 1 / (1 + Math.exp(-x));
}
var dtx = function (x) {
var ex = Math.exp(-x);
return ex / (1 + ex) / (1 + ex);
}
var t0 = tx(x0);
var t1 = tx(x1);
var dt0 = dtx(x0);
var dt1 = dtx(x1);
var dp0 = line0.derivative(t0);
var dp1 = line1.derivative(t1);
var j00 = dp0.x * dt0, j01 = -dp1.x * dt1;
var j10 = dp0.y * dt0, j11 = -dp1.y * dt1;
var a00 = j00 * j00 + j10 * j10, a01 = j00 * j01 + j10 * j11;
var a10 = j01 * j00 + j11 * j10, a11 = j01 * j01 + j11 * j11;
var p0 = line0.position(t0);
var p1 = line1.position(t1);
var f0 = p0.x - p1.x;
var f1 = p0.y - p1.y;
var g0 = j00 * f0 + j10 * f1;
var g1 = j01 * f0 + j11 * f1;
var stop = Math.sqrt(g0 * g0 + g1 * g1) < goalAccuracy;
var mu = tau * Math.max(a00, a11);
while (!stop && k < n) {
k++;
do {
var am00 = a00 + mu, am01 = a01;
var am10 = a10, am11 = a11 + mu;
var det = am00 * am11 - am01 * am10;
var d0 = (am11 * g0 - a01 * g1) / det;
var d1 = (-am10 * g0 + a00 * g1) / det;
if ((d0 * d0 + d1 * d1) < goalAccuracy * goalAccuracy * (x0 * x0 + x1 * x1)) {
stop = true;
} else {
var newX0 = x0 - d0;
var newX1 = x1 - d1;
var newT0 = tx(newX0);
var newT1 = tx(newX1);
var newP0 = line0.position(newT0);
var newP1 = line1.position(newT1);
var newF0 = newP0.x - newP1.x;
var newF1 = newP0.y - newP1.y;
var rho = ((f0 * f0 + f1 * f1) - (newF0 * newF0 + newF1 * newF1)) / (d0 * (mu * d0 + g0) + d1 * (mu * d1 + g1));
if (rho > 0) {
x0 = newX0;
x1 = newX1;
t0 = newT0;
t1 = newT1;
dt0 = dtx(x0);
dt1 = dtx(x1);
dp0 = line0.derivative(t0);
dp1 = line1.derivative(t1);
j00 = dp0.x * dt0; j01 = -dp1.x * dt1;
j10 = dp0.y * dt0; j11 = -dp1.y * dt1;
a00 = j00 * j00 + j10 * j10; a01 = j00 * j01 + j10 * j11;
a10 = j01 * j00 + j11 * j10; a11 = j01 * j01 + j11 * j11;
f0 = newF0;
f1 = newF1;
g0 = j00 * f0 + j10 * f1;
g1 = j01 * f0 + j11 * f1;
stop = Math.sqrt(g0 * g0 + g1 * g1) < goalAccuracy;
var sigma = 2 * rho - 1;
mu = mu + Math.max(1 / 3, 1 - sigma * sigma * sigma);
nu = 2;
} else {
mu = mu * nu;
nu = 2 * nu;
}
}
} while (!stop && !(rho !== undefined && rho > 0))
}
return tx(x0);
} else {
var t = (intersec[0][0].min + intersec[0][0].max)/2;
for (var i = 1; i < intersec.length; i++) {
var ttmp = (intersec[i][0].min + intersec[i][0].max)/2;
if (t > ttmp) { t = ttmp; }
}
return t;
}
}
});
AST.Pos.SavePos.Augment({
toShape: function (context) {
var env = context.env;
env.savePos(this.id, xypic.Saving.Position(env.c));
}
});
AST.Pos.SaveMacro.Augment({
toShape: function (context) {
var env = context.env;
env.savePos(this.id, xypic.Saving.Macro(this.macro));
}
});
AST.Pos.SaveBase.Augment({
toShape: function (context) {
var env = context.env;
env.savePos(this.id, xypic.Saving.Base(env.origin, env.xBase, env.yBase));
}
});
AST.Pos.SaveStack.Augment({
toShape: function (context) {
var env = context.env;
env.savePos(this.id, xypic.Saving.Stack(env.stack));
}
});
AST.Object.Augment({
toDropShape: function (context) {
var env = context.env;
if (env.c === undefined) {
return xypic.Shape.none;
}
var modifiers = this.modifiers;
if (modifiers.isEmpty) {
return this.object.toDropShape(context);
} else {
var tmpEnv = env.duplicate();
var subcontext = xypic.DrawingContext(xypic.Shape.none, tmpEnv);
var reversedProcessedModifiers = FP.List.empty;
modifiers.foreach(function (m) {
m.preprocess(subcontext, reversedProcessedModifiers);
reversedProcessedModifiers = reversedProcessedModifiers.prepend(m);
});
var objectShape = this.object.toDropShape(subcontext);
var objectBoundingBox = tmpEnv.c;
if (objectBoundingBox === undefined) {
return xypic.Shape.none;
}
var originalReferencePoint = tmpEnv.originalReferencePoint;
tmpEnv = env.duplicate(); // restore angle
tmpEnv.c = objectBoundingBox;
tmpEnv.originalReferencePoint = originalReferencePoint;
subcontext = xypic.DrawingContext(xypic.Shape.none, tmpEnv);
objectShape = modifiers.head.modifyShape(subcontext, objectShape, modifiers.tail);
context.appendShapeToFront(objectShape);
env.c = tmpEnv.c.move(env.c.x, env.c.y);
return objectShape;
}
},
toConnectShape: function (context) {
var env = context.env;
if (env.c === undefined) {
return xypic.Shape.none;
}
var modifiers = this.modifiers;
if (modifiers.isEmpty) {
return this.object.toConnectShape(context);
} else {
var tmpEnv = env.duplicate();
var subcontext = xypic.DrawingContext(xypic.Shape.none, tmpEnv);
var reversedProcessedModifiers = FP.List.empty;
modifiers.foreach(function (m) {
m.preprocess(subcontext, reversedProcessedModifiers);
reversedProcessedModifiers = reversedProcessedModifiers.prepend(m);
});
var objectShape = this.object.toConnectShape(subcontext);
env.angle = tmpEnv.angle;
env.lastCurve = tmpEnv.lastCurve;
var objectBoundingBox = tmpEnv.c;
if (objectBoundingBox === undefined) {
return xypic.Shape.none;
}
var originalReferencePoint = tmpEnv.originalReferencePoint;
tmpEnv = env.duplicate(); // restore angle
tmpEnv.c = objectBoundingBox;
tmpEnv.originalReferencePoint = originalReferencePoint;
subcontext = xypic.DrawingContext(xypic.Shape.none, tmpEnv);
objectShape = modifiers.head.modifyShape(subcontext, objectShape, modifiers.tail);
context.appendShapeToFront(objectShape);
env.c = tmpEnv.c.move(env.c.x, env.c.y);
return objectShape;
}
},
boundingBox: function (context) {
var tmpEnvContext = context.duplicateEnv();
var tmpEnv = tmpEnvContext.env;
tmpEnv.angle = 0;
tmpEnv.p = tmpEnv.c = xypic.Env.originPosition;
tmpEnvContext.shape = xypic.Shape.none;
var dropShape = this.toDropShape(tmpEnvContext);
return dropShape.getBoundingBox();
}
});
AST.ObjectBox.Augment({
toConnectShape: function (context) {
// 多重線の幅、点線・破線の幅の基準
var env = context.env;
var origC = env.c;
var env = context.env;
var t = AST.xypic.thickness;
var s = env.p.edgePoint(env.c.x, env.c.y);
var e = env.c.edgePoint(env.p.x, env.p.y);
if (s.x !== e.x || s.y !== e.y) {
var shape = xypic.Curve.Line(s, e).toShape(context, this, "196883" /* dummy dir name */, "");
env.originalReferencePoint = origC;
return shape;
} else {
env.angle = 0;
env.lastCurve = xypic.LastCurve.none;
env.originalReferencePoint = origC;
return xypic.Shape.none;
}
},
boundingBox: function (context) {
var tmpEnvContext = context.duplicateEnv();
var tmpEnv = tmpEnvContext.env;
tmpEnv.angle = 0;
tmpEnv.p = tmpEnv.c = xypic.Env.originPosition;
tmpEnvContext.shape = xypic.Shape.none;
var dropShape = this.toDropShape(tmpEnvContext);
return dropShape.getBoundingBox();
}
});
AST.ObjectBox.WrapUpObject.Augment({
toDropShape: function (context) {
var env = context.env;
var shape = this.object.toDropShape(context);
env.originalReferencePoint = env.c;
return shape;
},
toConnectShape: function (context) {
var env = context.env;
var shape = this.object.toConnectShape(context);
env.originalReferencePoint = env.c;
return shape;
}
});
AST.ObjectBox.CompositeObject.Augment({
toDropShape: function (context) {
var env = context.env;
var origC = env.c;
if (origC === undefined) {
return xypic.Shape.none;
}
var c = origC;
var tmpEnv = env.duplicate();
var subcontext = xypic.DrawingContext(xypic.Shape.none, tmpEnv);
this.objects.foreach(function (obj) {
tmpEnv.c = origC;
var tmpShape = obj.toDropShape(subcontext);
c = xypic.Frame.combineRect(c, tmpEnv.c);
c = xypic.Frame.combineRect(c, tmpShape.getBoundingBox().toPoint());
});
env.c = c;
var compositeShape = subcontext.shape;
context.appendShapeToFront(compositeShape);
env.originalReferencePoint = origC;
return compositeShape;
}
});
AST.ObjectBox.Xybox.Augment({
toDropShape: function (context) {
var env = context.env;
var c = env.c;
if (c === undefined) {
return xypic.Shape.none;
}
var subenv = xypic.Env();
var subcontext = xypic.DrawingContext(xypic.Shape.none, subenv);
this.posDecor.toShape(subcontext);
var subshape = subcontext.shape;
var bbox = subshape.getBoundingBox();
if (bbox === undefined) {
return xypic.Shape.none;
}
var l = Math.max(0, bbox.l - bbox.x);
var r = Math.max(0, bbox.r + bbox.x);
var u = Math.max(0, bbox.u + bbox.y);
var d = Math.max(0, bbox.d - bbox.y);
env.c = xypic.Frame.Rect(c.x, c.y, { l:l, r:r, u:u, d:d });
env.originalReferencePoint = c;
var objectShape = xypic.Shape.TranslateShape(c.x, c.y, subshape);
context.appendShapeToFront(objectShape);
return objectShape;
}
});
AST.ObjectBox.Xymatrix.Augment({
toDropShape: function (context) {
var env = context.env;
var c = env.c;
var shape = this.xymatrix.toShape(context);
env.originalReferencePoint = c;
return shape;
}
});
AST.ObjectBox.Text.Augment({
toDropShape: function (context) {
var env = context.env;
var textShape = xypic.Shape.TextShape(env.c, this.math, xypic.svgForTestLayout);
context.appendShapeToFront(textShape);
env.c = textShape.getBoundingBox();
env.originalReferencePoint = textShape.getOriginalReferencePoint();
return textShape;
}
});
AST.ObjectBox.Empty.Augment({
toDropShape: function (context) {
var env = context.env;
env.originalReferencePoint = env.c;
env.c = xypic.Frame.Point(env.c.x, env.c.y);
return xypic.Shape.none;
}
});
AST.ObjectBox.Txt.Augment({
toDropShape: function (context) {
var env = context.env;
if (env.c === undefined) {
return xypic.Shape.none;
}
// TODO change width
var textShape = this.textObject.toDropShape(context);
env.originalReferencePoint = env.c;
return textShape;
}
});
AST.ObjectBox.Txt.Width.Vector.Augment({
width: function (context) {
return this.vector.xy().x;
}
});
AST.ObjectBox.Txt.Width.Vector.Augment({
width: function (context) {
var c = context.env.c;
return c.r + c.l;
}
});
AST.ObjectBox.Cir.Augment({
toDropShape: function (context) {
var env = context.env;
if (env.c === undefined) {
return xypic.Shape.none;
}
env.originalReferencePoint = env.c;
var r = this.radius.radius(context);
var x = env.c.x;
var y = env.c.y;
var circleShape = this.cir.toDropShape(context, x, y, r);
env.c = xypic.Frame.Ellipse(x, y, r, r, r, r);
return circleShape;
},
toConnectShape: function (context) {
// TODO: 何もしなくてよいかTeXの出力結果を確認する。
var env = context.env;
env.originalReferencePoint = env.c;
return xypic.Shape.none;
}
});
AST.ObjectBox.Cir.Radius.Vector.Augment({
radius: function (context) {
return this.vector.xy(context).x;
}
});
AST.ObjectBox.Cir.Radius.Default.Augment({
radius: function (context) {
return context.env.c.r;
}
});
AST.ObjectBox.Cir.Cir.Segment.Augment({
toDropShape: function (context, x, y, r) {
var env = context.env;
var sa = this.startPointDegree(context);
var ea = this.endPointDegree(context, sa);
var da = ea - sa;
da = (da < 0? da + 360 : da);
if (da === 0) {
return xypic.Shape.none;
}
var large, flip;
if (this.orient === "^") {
large = (da > 180? "1" : "0");
flip = "0";
} else {
large = (da > 180? "0" : "1");
flip = "1";
}
var degToRadCoef = Math.PI / 180;
var sx = x + r * Math.cos(sa * degToRadCoef);
var sy = y + r * Math.sin(sa * degToRadCoef);
var ex = x + r * Math.cos(ea * degToRadCoef);
var ey = y + r * Math.sin(ea * degToRadCoef);
var circleSegmentShape = xypic.Shape.CircleSegmentShape(x, y, sx, sy, r, large, flip, ex, ey);
context.appendShapeToFront(circleSegmentShape);
return circleSegmentShape;
},
startPointDegree: function (contect) {
var sd = this.startDiag.toString();
var sa;
if (this.orient === "^") {
sa = this.diagToAngleACW(sd);
} else {
sa = this.diagToAngleCW(sd);
}
return sa;
},
endPointDegree: function (contect, startAngle) {
var ed = this.endDiag.toString();
var ea;
if (this.orient === "^") {
ea = this.diagToAngleACW(ed, startAngle);
} else {
ea = this.diagToAngleCW(ed, startAngle);
}
return ea;
},
diagToAngleACW: function (diag, angle) {
switch (diag) {
case "l": return 90;
case "r": return -90;
case "d": return 180;
case "u": return 0;
case "dl":
case "ld":
return 135;
case "dr":
case "rd":
return -135;
case "ul":
case "lu":
return 45;
case "ur":
case "ru":
return -45;
default:
if (angle !== undefined) {
return angle + 180;
} else {
return 0;
}
}
},
diagToAngleCW: function (diag, angle) {
switch (diag) {
case "l": return -90;
case "r": return 90;
case "d": return 0;
case "u": return 180;
case "dl":
case "ld":
return -45;
case "dr":
case "rd":
return 45;
case "ul":
case "lu":
return -135;
case "ur":
case "ru":
return 135;
default:
if (angle !== undefined) {
return angle + 180;
} else {
return 0;
}
}
}
});
AST.ObjectBox.Cir.Cir.Full.Augment({
toDropShape: function (context, x, y, r) {
var fullCircleShape = xypic.Shape.FullCircleShape(x, y, r);
context.appendShapeToFront(fullCircleShape);
return fullCircleShape;
}
});
AST.ObjectBox.Frame.Augment({
toDropShape: function (context) {
var env = context.env;
env.originalReferencePoint = env.c;
return this.toDropFilledShape(context, "currentColor", false)
},
toDropFilledShape: function (context, color, convertToEllipse) {
var env = context.env;
var c = env.c;
if (c === undefined) {
return xypic.Shape.none;
}
var t = AST.xypic.thickness;
var x = c.x;
var y = c.y;
var left = c.l;
var right = c.r;
var up = c.u;
var down = c.d;
var shape = xypic.Shape.none;
switch (this.main) {
case '--':
var dash = 3 * t;
if (convertToEllipse) {
var xy = this.radius.xy(context);
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, xy.x, xy.y, false, color, xypic.em2px(dash) + " " + xypic.em2px(dash));
} else {
var radius = this.radius.radius(context);
shape = xypic.Shape.RectangleShape(x, y, left, right, up, down, radius, false, color, xypic.em2px(dash) + " " + xypic.em2px(dash));
}
break;
case '==':
var dash = 3 * t;
if (convertToEllipse) {
var xy = this.radius.xy(context);
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, xy.x, xy.y, true, color, xypic.em2px(dash) + " " + xypic.em2px(dash));
} else {
var radius = this.radius.radius(context);
shape = xypic.Shape.RectangleShape(x, y, left, right, up, down, radius, true, color, xypic.em2px(dash) + " " + xypic.em2px(dash));
}
break;
case 'o-':
var dash = 3 * t;
var radius = AST.xypic.lineElementLength;
shape = xypic.Shape.RectangleShape(x, y, left, right, up, down, radius, false, color, xypic.em2px(dash) + " " + xypic.em2px(dash));
break;
case 'oo':
var xy = this.radius.xy(context);
var r = xy.x;
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, r, r, true, color, undefined);
break;
case 'ee':
var xy = this.radius.xy(context);
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, xy.x, xy.y, true, color, undefined);
break;
case '-,':
var depth = this.radius.depth(context);
var radius = this.radius.radius(context);
shape = xypic.Shape.CompositeShape(
xypic.Shape.RectangleShape(x, y, left, right, up, down, radius, false, color, undefined),
xypic.Shape.BoxShadeShape(x, y, left, right, up, down, depth)
);
break;
case '.o':
var xy = this.radius.xy(context);
var r = xy.x;
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, r, r, false, color, AST.xypic.dottedDasharray);
break;
case '-o':
var dash = 3 * t;
var xy = this.radius.xy(context);
var r = xy.x;
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, r, r, false, color, xypic.em2px(dash) + " " + xypic.em2px(dash));
break;
case '.e':
var xy = this.radius.xy(context);
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, xy.x, xy.y, false, color, AST.xypic.dottedDasharray);
break;
case '-e':
var dash = 3 * t;
var xy = this.radius.xy(context);
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, xy.x, xy.y, false, color, xypic.em2px(dash) + " " + xypic.em2px(dash));
break;
case '-':
if (convertToEllipse) {
var xy = this.radius.xy(context);
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, xy.x, xy.y, false, color, undefined);
} else {
var radius = this.radius.radius(context);
shape = xypic.Shape.RectangleShape(x, y, left, right, up, down, radius, false, color, undefined);
}
break;
case '=':
if (convertToEllipse) {
var xy = this.radius.xy(context);
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, xy.x, xy.y, true, color, undefined);
} else {
var radius = this.radius.radius(context);
shape = xypic.Shape.RectangleShape(x, y, left, right, up, down, radius, true, color, undefined);
}
break;
case '.':
if (convertToEllipse) {
var xy = this.radius.xy(context);
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, xy.x, xy.y, false, color, AST.xypic.dottedDasharray);
} else {
var radius = this.radius.radius(context);
shape = xypic.Shape.RectangleShape(x, y, left, right, up, down, radius, false, color, AST.xypic.dottedDasharray);
}
break;
case ',':
var depth = this.radius.depth(context);
shape = xypic.Shape.BoxShadeShape(x, y, left, right, up, down, depth, color);
break;
case 'o':
var xy = this.radius.xy(context);
var r = xy.x;
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, r, r, false, color, undefined);
break;
case 'e':
var xy = this.radius.xy(context);
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, xy.x, xy.y, false, color, undefined);
break;
case '\\{':
shape = xypic.Shape.LeftBrace(x - left, y, up, down, 0, color);
break;
case '\\}':
shape = xypic.Shape.LeftBrace(x + right, y, down, up, 180, color);
break;
case '^\\}':
case '^\\{':
shape = xypic.Shape.LeftBrace(x, y + up, right, left, 270, color);
break;
case '_\\{':
case '_\\}':
shape = xypic.Shape.LeftBrace(x, y - down, left, right, 90, color);
break;
case '(':
shape = xypic.Shape.LeftParenthesis(x - left, y + (up - down) / 2, up + down, 0, color);
break;
case ')':
shape = xypic.Shape.LeftParenthesis(x + right, y + (up - down) / 2, up + down, 180, color);
break;
case '^(':
case '^)':
shape = xypic.Shape.LeftParenthesis(x + (right - left) / 2, y + up, left + right, 270, color);
break;
case '_(':
case '_)':
shape = xypic.Shape.LeftParenthesis(x + (right - left) / 2, y - down, left + right, 90, color);
break;
case '*':
if (c.isCircle()) {
var xy = this.radius.xy(context);
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, xy.x, xy.y, false, "currentColor", undefined, color, true);
} else {
var radius = this.radius.radius(context);
shape = xypic.Shape.RectangleShape(x, y, left, right, up, down, radius, false, "currentColor", undefined, color, true);
}
break;
case '**':
if (c.isCircle()) {
var xy = this.radius.xy(context);
shape = xypic.Shape.EllipseShape(x + (right - left) / 2, y + (up - down) / 2, xy.x, xy.y, false, "currentColor", undefined, color, false);
} else {
var radius = this.radius.radius(context);
shape = xypic.Shape.RectangleShape(x, y, left, right, up, down, radius, false, "currentColor", undefined, color, false);
}
break;
default:
return xypic.Shape.none;
}
context.appendShapeToFront(shape);
return shape;
},
toConnectShape: function (context) {
var env = context.env;
var c = env.c;
var p = env.p;
if (c === undefined || p === undefined) {
xypic.Shape.none;
}
env.originalReferencePoint = c;
var tmpEnv = env.duplicate();
tmpEnv.c = p.combineRect(c);
var tmpContext = xypic.DrawingContext(xypic.Shape.none, tmpEnv);
var shape = this.toDropShape(tmpContext);
context.appendShapeToFront(shape);
return shape;
}
});
AST.ObjectBox.Frame.Radius.Vector.Augment({
radius: function (context) {
return this.vector.xy(context).x;
},
depth: function (context) {
return this.vector.xy(context).x;
},
xy: function (context) {
return this.vector.xy(context);
}
});
AST.ObjectBox.Frame.Radius.Default.Augment({
radius: function (context) {
return 0;
},
depth: function (context) {
return AST.xypic.thickness / 2;
},
xy: function (context) {
var c = context.env.c;
return { x:(c.l + c.r) / 2, y:(c.u + c.d) / 2 };
}
});
AST.ObjectBox.Dir.Augment({
toDropShape: function (context) {
var env = context.env;
var c = env.c;
env.originalReferencePoint = c;
var angle = env.angle;
if (c === undefined) {
return xypic.Shape.none;
}
env.c = xypic.Frame.Point(c.x, c.y);
var t = AST.xypic.thickness;
var shape = xypic.Shape.none;
switch (this.main) {
case "":
return xypic.Shape.none;
case ">":
switch (this.variant) {
case "2":
shape = xypic.Shape.GT2ArrowheadShape(c, angle);
var r = shape.getRadius();
env.c = xypic.Frame.Ellipse(c.x, c.y, r, r, r, r);
break;
case "3":
shape = xypic.Shape.GT3ArrowheadShape(c, angle);
var r = shape.getRadius();
env.c = xypic.Frame.Ellipse(c.x, c.y, r, r, r, r);
break;
default:
if (this.variant === "^") {
shape = xypic.Shape.UpperGTArrowheadShape(c, angle);
} else if (this.variant === "_") {
shape = xypic.Shape.LowerGTArrowheadShape(c, angle);
} else {
shape = xypic.Shape.GTArrowheadShape(c, angle);
}
}
break;
case "<":
switch (this.variant) {
case "2":
shape = xypic.Shape.LT2ArrowheadShape(c, angle);
var r = shape.getRadius();
env.c = xypic.Frame.Ellipse(c.x, c.y, r, r, r, r);
break;
case "3":
shape = xypic.Shape.LT3ArrowheadShape(c, angle);
var r = shape.getRadius();
env.c = xypic.Frame.Ellipse(c.x, c.y, r, r, r, r);
break;
default:
if (this.variant === "^") {
shape = xypic.Shape.UpperLTArrowheadShape(c, angle);
} else if (this.variant === "_") {
shape = xypic.Shape.LowerLTArrowheadShape(c, angle);
} else {
shape = xypic.Shape.LTArrowheadShape(c, angle);
}
}
break;
case "|":
switch (this.variant) {
case "^":
shape = xypic.Shape.UpperColumnArrowheadShape(c, angle);
break;
case "_":
shape = xypic.Shape.LowerColumnArrowheadShape(c, angle);
break;
case "2":
shape = xypic.Shape.Column2ArrowheadShape(c, angle);
break;
case "3":
shape = xypic.Shape.Column3ArrowheadShape(c, angle);
break;
default:
shape = xypic.Shape.ColumnArrowheadShape(c, angle);
}
break;
case "(":
switch (this.variant) {
case "^":
shape = xypic.Shape.UpperLParenArrowheadShape(c, angle);
break;
case "_":
shape = xypic.Shape.LowerLParenArrowheadShape(c, angle);
break;
default:
shape = xypic.Shape.LParenArrowheadShape(c, angle);
}
break;
case ")":
switch (this.variant) {
case "^":
shape = xypic.Shape.UpperRParenArrowheadShape(c, angle);
break;
case "_":
shape = xypic.Shape.LowerRParenArrowheadShape(c, angle);
break;
default:
shape = xypic.Shape.RParenArrowheadShape(c, angle);
}
break;
case "`":
switch (this.variant) {
case "_":
shape = xypic.Shape.LowerBackquoteArrowheadShape(c, angle);
break;
case "^":
default:
shape = xypic.Shape.UpperBackquoteArrowheadShape(c, angle);
break;
}
break;
case "'":
switch (this.variant) {
case "_":
shape = xypic.Shape.LowerQuoteArrowheadShape(c, angle);
break;
case "^":
default:
shape = xypic.Shape.UpperQuoteArrowheadShape(c, angle);
break;
}
break;
case '*':
shape = xypic.Shape.AsteriskArrowheadShape(c, 0);
break;
case 'o':
shape = xypic.Shape.OArrowheadShape(c, 0);
break;
case '+':
shape = xypic.Shape.PlusArrowheadShape(c, angle);
break;
case 'x':
shape = xypic.Shape.XArrowheadShape(c, angle);
break;
case '/':
shape = xypic.Shape.SlashArrowheadShape(c, angle);
break;
case '-':
case '--':
var lineLen = AST.xypic.lineElementLength;
if (this.variant === "3") {
shape = xypic.Shape.Line3ArrowheadShape(c, angle);
} else if (this.variant === "2") {
shape = xypic.Shape.Line2ArrowheadShape(c, angle);
} else {
shape = xypic.Shape.LineArrowheadShape(c, angle);
}
break;
case '=':
case '==':
shape = xypic.Shape.Line2ArrowheadShape(c, angle);
break;
case '.':
case '..':
if (this.variant === "3") {
shape = xypic.Shape.Dot3ArrowheadShape(c, angle);
} else if (this.variant === "2") {
shape = xypic.Shape.Dot2ArrowheadShape(c, angle);
} else {
shape = xypic.Shape.DotArrowheadShape(c, angle);
}
break;
case ':':
case '::':
shape = xypic.Shape.Dot2ArrowheadShape(c, angle);
break;
case '~':
case '~~':
if (this.variant === "3") {
shape = xypic.Shape.Tilde3ArrowheadShape(c, angle);
} else if (this.variant === "2") {
shape = xypic.Shape.Tilde2ArrowheadShape(c, angle);
} else {
shape = xypic.Shape.TildeArrowheadShape(c, angle);
}
break;
case '>>':
switch (this.variant) {
case "^":
shape = xypic.Shape.UpperGTGTArrowheadShape(c, angle);
break;
case "_":
shape = xypic.Shape.LowerGTGTArrowheadShape(c, angle);
break;
case "2":
shape = xypic.Shape.GTGT2ArrowheadShape(c, angle);
var r = shape.getRadius();
env.c = xypic.Frame.Ellipse(c.x, c.y, r, r, r, r);
break;
case "3":
shape = xypic.Shape.GTGT3ArrowheadShape(c, angle);
var r = shape.getRadius();
env.c = xypic.Frame.Ellipse(c.x, c.y, r, r, r, r);
break;
default:
shape = xypic.Shape.GTGTArrowheadShape(c, angle);
break;
}
break;
case '<<':
switch (this.variant) {
case "^":
shape = xypic.Shape.UpperLTLTArrowheadShape(c, angle);
break;
case "_":
shape = xypic.Shape.LowerLTLTArrowheadShape(c, angle);
break;
case "2":
shape = xypic.Shape.LTLT2ArrowheadShape(c, angle);
var r = shape.getRadius();
env.c = xypic.Frame.Ellipse(c.x, c.y, r, r, r, r);
break;
case "3":
shape = xypic.Shape.LTLT3ArrowheadShape(c, angle);
var r = shape.getRadius();
env.c = xypic.Frame.Ellipse(c.x, c.y, r, r, r, r);
break;
default:
shape = xypic.Shape.LTLTArrowheadShape(c, angle);
break;
}
break;
case '||':
switch (this.variant) {
case "^":
shape = xypic.Shape.UpperColumnColumnArrowheadShape(c, angle);
break;
case "_":
shape = xypic.Shape.LowerColumnColumnArrowheadShape(c, angle);
break;
case "2":
shape = xypic.Shape.ColumnColumn2ArrowheadShape(c, angle);
break;
case "3":
shape = xypic.Shape.ColumnColumn3ArrowheadShape(c, angle);
break;
default:
shape = xypic.Shape.ColumnColumnArrowheadShape(c, angle);
break;
}
break;
case '|-':
switch (this.variant) {
case "^":
shape = xypic.Shape.UpperColumnLineArrowheadShape(c, angle);
break;
case "_":
shape = xypic.Shape.LowerColumnLineArrowheadShape(c, angle);
break;
case "2":
shape = xypic.Shape.ColumnLine2ArrowheadShape(c, angle);
break;
case "3":
shape = xypic.Shape.ColumnLine3ArrowheadShape(c, angle);
break;
default:
shape = xypic.Shape.ColumnLineArrowheadShape(c, angle);
break;
}
break;
case '>|':
shape = xypic.Shape.GTColumnArrowheadShape(c, angle);
break;
case ">>|":
shape = xypic.Shape.GTGTColumnArrowheadShape(c, angle);
break;
case "|<":
shape = xypic.Shape.ColumnLTArrowheadShape(c, angle);
break;
case "|<<":
shape = xypic.Shape.ColumnLTLTArrowheadShape(c, angle);
break;
case "//":
shape = xypic.Shape.SlashSlashArrowheadShape(c, angle);
break;
case "=>":
shape = xypic.Shape.LineGT2ArrowheadShape(c, angle);
break;
default:
var newdirObj = xypic.repositories.dirRepository.get(this.main);
if (newdirObj !== undefined) {
shape = newdirObj.toDropShape(context);
} else {
throw xypic.ExecutionError("\\dir " + this.variant + "{" + this.main + "} not defined.");
}
}
context.appendShapeToFront(shape);
return shape;
},
toConnectShape: function (context) {
// 多重線の幅、点線・破線の幅の基準
var env = context.env;
env.originalReferencePoint = env.c;
var t = AST.xypic.thickness;
var s = env.p.edgePoint(env.c.x, env.c.y);
var e = env.c.edgePoint(env.p.x, env.p.y);
if (s.x !== e.x || s.y !== e.y) {
var shape = xypic.Curve.Line(s, e).toShape(context, this, this.main, this.variant);
return shape;
} else {
env.angle = 0;
env.lastCurve = xypic.LastCurve.none;
return xypic.Shape.none;
}
}
});
AST.ObjectBox.Curve.Augment({
toDropShape: function (context) {
var env = context.env;
env.originalReferencePoint = env.c;
return xypic.Shape.none;
},
toConnectShape: function (context) {
var env = context.env;
env.originalReferencePoint = env.c;
// find object for drop and connect
var objectForDrop = undefined;
var objectForConnect = undefined;
this.objects.foreach(function (o) {
objectForDrop = o.objectForDrop(objectForDrop);
objectForConnect = o.objectForConnect(objectForConnect);
});
if (objectForDrop === undefined && objectForConnect === undefined) {
objectForConnect = AST.Object(FP.List.empty, AST.ObjectBox.Dir("", "-"));
}
var thickness = AST.xypic.thickness;
var c = env.c;
var p = env.p;
var controlPoints = [];
this.poslist.foreach(function (p) {
p.addPositions(controlPoints, context);
// svg.createSVGElement("circle", {
// cx:xypic.em2px(env.c.x), cy:-xypic.em2px(env.c.y), r:xypic.em2px(thickness/2)
// });
});
env.c = c;
env.p = p;
var shape = xypic.Shape.none;
var s = p;
var e = c;
switch (controlPoints.length) {
case 0:
if (s.x === e.x && s.y === e.y) {
env.lastCurve = xypic.LastCurve.none;
env.angle = 0;
return xypic.Shape.none;
}
if (objectForConnect !== undefined) {
return objectForConnect.toConnectShape(context);
} else {
return objectForDrop.toConnectShape(context);
}
case 1:
var origBezier = xypic.Curve.QuadBezier(s, controlPoints[0], e);
var tOfShavedStart = origBezier.tOfShavedStart(s);
var tOfShavedEnd = origBezier.tOfShavedEnd(e);
if (tOfShavedStart === undefined || tOfShavedEnd === undefined || tOfShavedStart >= tOfShavedEnd) {
env.angle = 0;
env.lastCurve = xypic.LastCurve.none;
return xypic.Shape.none;
}
shape = origBezier.toShape(context, objectForDrop, objectForConnect);
env.lastCurve = xypic.LastCurve.QuadBezier(origBezier, tOfShavedStart, tOfShavedEnd, shape);
env.angle = Math.atan2(e.y - s.y, e.x - s.x);
break;
case 2:
var origBezier = xypic.Curve.CubicBezier(s, controlPoints[0], controlPoints[1], e);
var tOfShavedStart = origBezier.tOfShavedStart(s);
var tOfShavedEnd = origBezier.tOfShavedEnd(e);
if (tOfShavedStart === undefined || tOfShavedEnd === undefined || tOfShavedStart >= tOfShavedEnd) {
env.angle = 0;
env.lastCurve = xypic.LastCurve.none;
return xypic.Shape.none;
}
shape = origBezier.toShape(context, objectForDrop, objectForConnect);
env.lastCurve = xypic.LastCurve.CubicBezier(origBezier, tOfShavedStart, tOfShavedEnd, shape);
env.angle = Math.atan2(e.y - s.y, e.x - s.x);
break;
default:
var spline = xypic.Curve.CubicBSpline(s, controlPoints, e);
var origBeziers = xypic.Curve.CubicBeziers(spline.toCubicBeziers());
var tOfShavedStart = origBeziers.tOfShavedStart(s);
var tOfShavedEnd = origBeziers.tOfShavedEnd(e);
if (tOfShavedStart === undefined || tOfShavedEnd === undefined || tOfShavedStart >= tOfShavedEnd) {
env.angle = 0;
env.lastCurve = xypic.LastCurve.none;
return xypic.Shape.none;
}
shape = origBeziers.toShape(context, objectForDrop, objectForConnect);
env.lastCurve = xypic.LastCurve.CubicBSpline(s, e, origBeziers, tOfShavedStart, tOfShavedEnd, shape);
env.angle = Math.atan2(e.y - s.y, e.x - s.x);
break;
}
// svg.createSVGElement("rect", {
// x:xypic.em2px(box.x-box.l), y:xypic.em2px(-box.y-box.u), width:xypic.em2px(box.l+box.r), height:xypic.em2px(box.u+box.d),
// "stroke-width":"0.02em", stroke:"green"
// })
return shape;
}
});
AST.ObjectBox.Curve.Object.Drop.Augment({
objectForDrop: function (object) {
return this.object;
},
objectForConnect: function (object) {
return object;
}
});
AST.ObjectBox.Curve.Object.Connect.Augment({
objectForDrop: function (object) {
return object;
},
objectForConnect: function (object) {
return this.object;
}
});
AST.ObjectBox.Curve.PosList.CurPos.Augment({
addPositions: function (controlPoints, context) {
var env = context.env;
controlPoints.push(env.c);
}
});
AST.ObjectBox.Curve.PosList.Pos.Augment({
addPositions: function (controlPoints, context) {
var env = context.env;
this.pos.toShape(context);
controlPoints.push(env.c);
}
});
AST.ObjectBox.Curve.PosList.AddStack.Augment({
addPositions: function (controlPoints, context) {
context.env.stack.reverse().foreach(function (p) {
controlPoints.push(p);
});
}
});
AST.Coord.C.Augment({
position: function (context) {
return context.env.c;
}
});
AST.Coord.P.Augment({
position: function (context) {
return context.env.p;
}
});
AST.Coord.X.Augment({
position: function (context) {
var env = context.env;
var p = env.p;
var c = env.c;
var o = env.origin;
var b = env.xBase;
var a0 = c.y - p.y, b0 = p.x - c.x, c0 = c.x * p.y - c.y * p.x;
var a1 = b.y, b1 = -b.x, c1 = b.x * o.y - b.y * o.x;
var d = a0 * b1 - a1 * b0;
if (Math.abs(d) < AST.xypic.machinePrecision) {
console.log("there is no intersection point.");
return xypic.Env.originPosition;
}
var x = -(b1 * c0 - b0 * c1)/d;
var y = (a1 * c0 - a0 * c1)/d;
return xypic.Frame.Point(x, y);
}
});
AST.Coord.Y.Augment({
position: function (context) {
var env = context.env;
var p = env.p;
var c = env.c;
var o = env.origin;
var b = env.yBase;
var a0 = c.y - p.y, b0 = p.x - c.x, c0 = c.x * p.y - c.y * p.x;
var a1 = b.y, b1 = -b.x, c1 = b.x * o.y - b.y * o.x;
var d = a0 * b1 - a1 * b0;
if (Math.abs(d) < AST.xypic.machinePrecision) {
console.log("there is no intersection point.");
return xypic.Env.originPosition;
}
var x = -(b1 * c0 - b0 * c1)/d;
var y = (a1 * c0 - a0 * c1)/d;
return xypic.Frame.Point(x, y);
}
});
AST.Coord.Vector.Augment({
position: function (context) {
var xy = this.vector.xy(context);
return xypic.Frame.Point(xy.x, xy.y);
}
});
AST.Coord.Id.Augment({
position: function (context) {
return context.env.lookupPos(this.id).position(context);
}
});
AST.Coord.Group.Augment({
position: function (context) {
var env = context.env;
var origin = env.origin;
var xBase = env.xBase;
var yBase = env.yBase;
var p = env.p;
// side effect
this.posDecor.toShape(context);
env.p = p;
env.origin = origin;
env.xBase = xBase;
env.yBase = yBase;
return env.c;
}
});
AST.Coord.StackPosition.Augment({
position: function (context) {
return context.env.stackAt(this.number);
}
});
AST.Coord.DeltaRowColumn.Augment({
position: function (context) {
var env = context.env;
var row = env.xymatrixRow;
var col = env.xymatrixCol;
if (row === undefined || col === undefined) {
throw xypic.ExecutionError("xymatrix rows and columns not found for " + this.toSring());
}
var id = this.prefix + (row + this.dr) + "," + (col + this.dc);
return context.env.lookupPos(id, 'in entry "' + env.xymatrixRow + "," + env.xymatrixCol + '": No ' + this + " (is " + id + ") from here.").position(context);
}
});
AST.Coord.Hops.Augment({
position: function (context) {
var env = context.env;
var row = env.xymatrixRow;
var col = env.xymatrixCol;
if (row === undefined || col === undefined) {
throw xypic.ExecutionError("xymatrix rows and columns not found for " + this.toSring());
}
this.hops.foreach(function (hop) {
switch (hop) {
case 'u':
row -= 1;
break;
case 'd':
row += 1;
break;
case 'l':
col -= 1;
break;
case 'r':
col += 1;
break;
}
});
var id = this.prefix + row + "," + col;
return context.env.lookupPos(id, 'in entry "' + env.xymatrixRow + "," + env.xymatrixCol + '": No ' + this + " (is " + id + ") from here.").position(context);
}
});
AST.Coord.HopsWithPlace.Augment({
position: function (context) {
var env = context.env;
var row = env.xymatrixRow;
var col = env.xymatrixCol;
if (row === undefined || col === undefined) {
throw xypic.ExecutionError("xymatrix rows and columns not found for " + this.toSring());
}
this.hops.foreach(function (hop) {
switch (hop) {
case 'u':
row -= 1;
break;
case 'd':
row += 1;
break;
case 'l':
col -= 1;
break;
case 'r':
col += 1;
break;
}
});
var id = this.prefix + row + "," + col;
var pos = context.env.lookupPos(id, 'in entry "' + env.xymatrixRow + "," + env.xymatrixCol + '": No ' + this + " (is " + id + ") from here.").position(context);
var c = env.c;
var tmpEnv = env.duplicate();
tmpEnv.p = env.c;
tmpEnv.c = pos;
var dx = tmpEnv.c.x - tmpEnv.p.x;
var dy = tmpEnv.c.y - tmpEnv.p.y;
var angle;
if (dx === 0 && dy === 0) {
angle = 0;
} else {
angle = Math.atan2(dy, dx);
}
tmpEnv.angle = angle;
var s = tmpEnv.p.edgePoint(tmpEnv.c.x, tmpEnv.c.y);
var e = tmpEnv.c.edgePoint(tmpEnv.p.x, tmpEnv.p.y);
tmpEnv.lastCurve = xypic.LastCurve.Line(s, e, tmpEnv.p, tmpEnv.c, undefined);
var tmpContext = xypic.DrawingContext(xypic.Shape.none, tmpEnv);
var t = this.place.toShape(tmpContext);
return tmpEnv.lastCurve.position(t);
}
});
AST.Vector.InCurBase.Augment({
xy: function (context) {
return context.env.absVector(this.x, this.y);
},
angle: function (context) {
var xy = context.env.absVector(this.x, this.y);
return Math.atan2(xy.y, xy.x);
}
});
AST.Vector.Abs.Augment({
xy: function (context) {
return { x:xypic.length2em(this.x), y:xypic.length2em(this.y) };
},
angle: function (context) {
var xy = this.xy(context);
return Math.atan2(xy.y, xy.x);
}
});
AST.Vector.Angle.Augment({
xy: function (context) {
var angle = Math.PI / 180 * this.degree;
var xy = context.env.absVector(Math.cos(angle), Math.sin(angle));
return xy;
},
angle: function (context) {
return Math.PI / 180 * this.degree;
}
});
AST.Vector.Dir.Augment({
xy: function (context) {
var l = xypic.length2em(this.dimen);
var angle = this.dir.angle(context);
return { x:l * Math.cos(angle), y:l * Math.sin(angle) };
},
angle: function (context) {
return this.dir.angle(context);
}
});
AST.Vector.Corner.Augment({
xy: function (context) {
var xy = this.corner.xy(context);
return { x:xy.x*this.factor, y:xy.y*this.factor };
},
angle: function (context) {
return this.corner.angle(context);
}
});
AST.Corner.L.Augment({
xy: function (context) {
var c = context.env.c;
return { x:-c.l, y:0 };
},
angle: function (context) {
return Math.PI;
}
});
AST.Corner.R.Augment({
xy: function (context) {
var c = context.env.c;
return { x:c.r, y:0 };
},
angle: function (context) {
return 0;
}
});
AST.Corner.D.Augment({
xy: function (context) {
var c = context.env.c;
return { x:0, y:-c.d };
},
angle: function (context) {
return -Math.PI / 2;
}
});
AST.Corner.U.Augment({
xy: function (context) {
var c = context.env.c;
return { x:0, y:c.u };
},
angle: function (context) {
return Math.PI / 2;
}
});
AST.Corner.CL.Augment({
xy: function (context) {
var c = context.env.c;
return { x:-c.l, y:(c.u - c.d) / 2 };
},
angle: function (context) {
var xy = this.xy(context);
return Math.atan2(xy.y, xy.x);
}
});
AST.Corner.CR.Augment({
xy: function (context) {
var c = context.env.c;
return { x:c.r, y:(c.u - c.d) / 2 };
},
angle: function (context) {
var xy = this.xy(context);
return Math.atan2(xy.y, xy.x);
}
});
AST.Corner.CD.Augment({
xy: function (context) {
var c = context.env.c;
return { x:(c.r-c.l)/2, y:-c.d };
},
angle: function (context) {
var xy = this.xy(context);
return Math.atan2(xy.y, xy.x);
}
});
AST.Corner.CU.Augment({
xy: function (context) {
var c = context.env.c;
return { x:(c.r-c.l)/2, y:c.u };
},
angle: function (context) {
var xy = this.xy(context);
return Math.atan2(xy.y, xy.x);
}
});
AST.Corner.LU.Augment({
xy: function (context) {
var c = context.env.c;
return { x:-c.l, y:c.u };
},
angle: function (context) {
var xy = this.xy(context);
return Math.atan2(xy.y, xy.x);
}
});
AST.Corner.LD.Augment({
xy: function (context) {
var c = context.env.c;
return { x:-c.l, y:-c.d };
},
angle: function (context) {
var xy = this.xy(context);
return Math.atan2(xy.y, xy.x);
}
});
AST.Corner.RU.Augment({
xy: function (context) {
var c = context.env.c;
return { x:c.r, y:c.u };
},
angle: function (context) {
var xy = this.xy(context);
return Math.atan2(xy.y, xy.x);
}
});
AST.Corner.RD.Augment({
xy: function (context) {
var c = context.env.c;
return { x:c.r, y:-c.d };
},
angle: function (context) {
var xy = this.xy(context);
return Math.atan2(xy.y, xy.x);
}
});
AST.Corner.NearestEdgePoint.Augment({
xy: function (context) {
var env = context.env;
var c = env.c;
var e = c.edgePoint(env.p.x, env.p.y);
return { x:e.x - c.x, y:e.y - c.y };
},
angle: function (context) {
var xy = this.xy(context);
return Math.atan2(xy.y, xy.x);
}
});
AST.Corner.PropEdgePoint.Augment({
xy: function (context) {
var env = context.env;
var c = env.c;
var e = c.proportionalEdgePoint(env.p.x, env.p.y);
return { x:e.x - c.x, y:e.y - c.y };
},
angle: function (context) {
var xy = this.xy(context);
return Math.atan2(xy.y, xy.x);
}
});
AST.Corner.Axis.Augment({
xy: function (context) {
return { x:0, y:AST.xypic.axisHeightLength };
},
angle: function (context) {
return Math.PI / 2;
}
});
AST.Modifier.Augment({
proceedModifyShape: function (context, objectShape, restModifiers) {
if (restModifiers.isEmpty) {
return objectShape;
} else {
return restModifiers.head.modifyShape(context, objectShape, restModifiers.tail);
}
}
});
AST.Modifier.Vector.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
var d = this.vector.xy(context);
var env = context.env;
env.c = env.c.shiftFrame(-d.x, -d.y);
objectShape = xypic.Shape.TranslateShape(-d.x, -d.y, objectShape);
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.RestoreOriginalRefPoint.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
var env = context.env;
var origRefPoint = env.originalReferencePoint;
if (origRefPoint !== undefined) {
var dx = env.c.x - origRefPoint.x;
var dy = env.c.y - origRefPoint.y;
env.c = env.c.shiftFrame(dx, dy);
objectShape = xypic.Shape.TranslateShape(dx, dy, objectShape);
}
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.Shape.Point.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
var c = context.env.c;
context.env.c = xypic.Frame.Point(c.x, c.y);
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.Shape.Rect.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
var c = context.env.c;
context.env.c = xypic.Frame.Rect(c.x, c.y, { l:c.l, r:c.r, u:c.u, d:c.d });
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.Shape.Circle.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
var c = context.env.c;
context.env.c = xypic.Frame.Ellipse(c.x, c.y, c.l, c.r, c.u, c.d);
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.Shape.L.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
var env = context.env;
var c = env.c;
if (c !== undefined) {
var width = c.r + c.l;
var height = c.u + c.d;
var dx, dy;
if (width < height) {
dx = (c.l - c.r) / 2;
dy = (c.d - c.u) / 2;
} else {
dx = -c.r + height / 2;
dy = (c.d - c.u) / 2;
}
env.c = env.c.shiftFrame(dx, dy);
objectShape = xypic.Shape.TranslateShape(dx, dy, objectShape);
}
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.Shape.R.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
var env = context.env;
var c = env.c;
if (c !== undefined) {
var width = c.r + c.l;
var height = c.u + c.d;
var dx, dy;
if (width < height) {
dx = (c.l - c.r) / 2;
dy = (c.d - c.u) / 2;
} else {
dx = c.l - height / 2;
dy = (c.d - c.u) / 2;
}
env.c = env.c.shiftFrame(dx, dy);
objectShape = xypic.Shape.TranslateShape(dx, dy, objectShape);
}
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.Shape.U.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
var env = context.env;
var c = env.c;
if (c !== undefined) {
var width = c.r + c.l;
var height = c.u + c.d;
var dx, dy;
if (width > height) {
dx = (c.l - c.r) / 2;
dy = (c.d - c.u) / 2;
} else {
dx = (c.l - c.r) / 2;
dy = c.d - width / 2;
}
env.c = env.c.shiftFrame(dx, dy);
objectShape = xypic.Shape.TranslateShape(dx, dy, objectShape);
}
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.Shape.D.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
var env = context.env;
var c = env.c;
if (c !== undefined) {
var width = c.r + c.l;
var height = c.u + c.d;
var dx, dy;
if (width > height) {
dx = (c.l - c.r) / 2;
dy = (c.d - c.u) / 2;
} else {
dx = (c.l - c.r) / 2;
dy = -c.u + width / 2;
}
env.c = env.c.shiftFrame(dx, dy);
objectShape = xypic.Shape.TranslateShape(dx, dy, objectShape);
}
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.Shape.C.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
var env = context.env;
var c = env.c;
if (c !== undefined) {
var dx, dy;
dx = (c.l - c.r) / 2;
dy = (c.d - c.u) / 2;
env.c = env.c.shiftFrame(dx, dy);
objectShape = xypic.Shape.TranslateShape(dx, dy, objectShape);
}
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.Shape.ChangeColor.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
objectShape = this.proceedModifyShape(context, objectShape, restModifiers);
return xypic.Shape.ChangeColorShape(this.colorName, objectShape);
}
});
AST.Modifier.Shape.Alphabets.Augment({
preprocess: function (context, reversedProcessedModifiers) {
var modifier = xypic.repositories.modifierRepository.get(this.alphabets);
if (modifier !== undefined) {
return modifier.preprocess(context, reversedProcessedModifiers);
} else {
// TODO 存在しないshape名が指定されたらエラーを発生させる。
}
},
modifyShape: function (context, objectShape, restModifiers) {
var modifier = xypic.repositories.modifierRepository.get(this.alphabets);
if (modifier !== undefined) {
return modifier.modifyShape(context, objectShape, restModifiers);
}
}
});
AST.Modifier.Shape.DefineShape.Augment({
preprocess: function (context, reversedProcessedModifiers) {
var processedModifiers = reversedProcessedModifiers.reverse();
xypic.repositories.modifierRepository.put(this.shape, AST.Modifier.Shape.CompositeModifiers(processedModifiers));
},
modifyShape: function (context, objectShape, restModifiers) {
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
// ユーザ定義されたshape
AST.Modifier.Shape.CompositeModifiers.Augment({
preprocess: function (context, reversedProcessedModifiers) {
this.modifiers.foreach(function (m) {
m.preprocess(context, reversedProcessedModifiers);
reversedProcessedModifiers = reversedProcessedModifiers.prepend(m);
});
},
modifyShape: function (context, objectShape, restModifiers) {
objectShape = this.proceedModifyShape(context, objectShape, this.modifiers);
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.Invisible.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
objectShape = this.proceedModifyShape(context, objectShape, restModifiers);
return xypic.Shape.none;
}
});
AST.Modifier.Hidden.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
// TODO implement hidden modifier
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.Direction.Augment({
preprocess: function (context, reversedProcessedModifiers) {
context.env.angle = this.direction.angle(context);
},
modifyShape: function (context, objectShape, restModifiers) {
context.env.angle = this.direction.angle(context);
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.AddOp.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
var c = context.env.c;
context.env.c = this.op.apply(this.size, c, context);
context.appendShapeToFront(xypic.Shape.InvisibleBoxShape(context.env.c));
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.AddOp.Grow.Augment({
apply: function (size, c, context) {
var env = context.env;
var margin = (size.isDefault?
{ x:2 * env.objectmargin, y:2 * env.objectmargin }:
size.vector.xy(context));
var xMargin = Math.abs(margin.x / 2);
var yMargin = Math.abs(margin.y / 2);
return c.grow(xMargin, yMargin);
},
applyToDimen: function (lhsEm, rhsEm) {
return lhsEm + rhsEm;
}
});
AST.Modifier.AddOp.Shrink.Augment({
apply: function (size, c, context) {
var env = context.env;
var margin = (size.isDefault?
{ x:2 * env.objectmargin, y:2 * env.objectmargin }:
size.vector.xy(context));
var xMargin = -Math.abs(margin.x / 2);
var yMargin = -Math.abs(margin.y / 2);
return c.grow(xMargin, yMargin);
},
applyToDimen: function (lhsEm, rhsEm) {
return lhsEm - rhsEm;
}
});
AST.Modifier.AddOp.Set.Augment({
apply: function (size, c, context) {
var env = context.env;
var margin = (size.isDefault?
{ x:env.objectwidth, y:env.objectheight }:
size.vector.xy(context));
var width = Math.abs(margin.x);
var height = Math.abs(margin.y);
return c.toSize(width, height);
},
applyToDimen: function (lhsEm, rhsEm) {
return rhsEm;
}
});
AST.Modifier.AddOp.GrowTo.Augment({
apply: function (size, c, context) {
var l = Math.max(c.l + c.r, c.u + c.d);
var margin = (size.isDefault? { x:l, y:l } : size.vector.xy(context));
var width = Math.abs(margin.x);
var height = Math.abs(margin.y);
return c.growTo(width, height);
},
applyToDimen: function (lhsEm, rhsEm) {
return Math.max(Math.max(lhsEm, rhsEm), 0);
}
});
AST.Modifier.AddOp.ShrinkTo.Augment({
apply: function (size, c, context) {
var l = Math.min(c.l + c.r, c.u + c.d);
var margin = (size.isDefault? { x:l, y:l } : size.vector.xy(context));
var width = Math.abs(margin.x);
var height = Math.abs(margin.y);
return c.shrinkTo(width, height);
},
applyToDimen: function (lhsEm, rhsEm) {
return Math.max(Math.min(lhsEm, rhsEm), 0);
}
});
AST.Modifier.Shape.Frame.Augment({
preprocess: function (context, reversedProcessedModifiers) {
},
modifyShape: function (context, objectShape, restModifiers) {
var env = context.env;
if (env.c !== undefined) {
var main = this.main;
var radius = AST.ObjectBox.Frame.Radius.Default();
var colorName = "currentColor";
this.options.foreach(function (op) { radius = op.getRadius(radius); });
this.options.foreach(function (op) { colorName = op.getColorName(colorName); });
var dummyEnv = env.duplicate();
var dummyContext = xypic.DrawingContext(xypic.Shape.none, dummyEnv);
var frameObject = AST.ObjectBox.Frame(radius, this.main);
var frameShape = frameObject.toDropFilledShape(dummyContext, colorName, env.c.isCircle());
objectShape = xypic.Shape.CompositeShape(objectShape, frameShape);
}
return this.proceedModifyShape(context, objectShape, restModifiers);
}
});
AST.Modifier.Shape.Frame.Radius.Augment({
getRadius: function (radius) {
return AST.ObjectBox.Frame.Radius.Vector(this.vector);
},
getColorName: function (colorName) {
return colorName;
}
});
AST.Modifier.Shape.Frame.Color.Augment({
getRadius: function (radius) {
return radius;
},
getColorName: function (colorName) {
return this.colorName;
}
});
AST.Direction.Compound.Augment({
angle: function (context) {
var angle = this.dir.angle(context);
this.rots.foreach(function (rot) { angle = rot.rotate(angle, context); });
return angle;
}
});
AST.Direction.Diag.Augment({
angle: function (context) {
return this.diag.angle(context);
}
});
AST.Direction.Vector.Augment({
angle: function (context) {
return this.vector.angle(context);
}
});
AST.Direction.ConstructVector.Augment({
angle: function (context) {
var env = context.env;
var origin = env.origin;
var xBase = env.xBase;
var yBase = env.yBase;
var p = env.p;
var c = env.c;
// side effect
this.posDecor.toShape(context);
var angle = Math.atan2(env.c.y - env.p.y, env.c.x - env.p.x);
env.c = c;
env.p = p;
env.origin = origin;
env.xBase = xBase;
env.yBase = yBase;
return angle;
}
});
AST.Direction.RotVector.Augment({
rotate: function (angle, context) {
return angle + this.vector.angle(context);
}
});
AST.Direction.RotCW.Augment({
rotate: function (angle, context) {
return angle + Math.PI /2;
}
});
AST.Direction.RotAntiCW.Augment({
rotate: function (angle, context) {
return angle - Math.PI / 2;
}
});
AST.Diag.Default.Augment({
isEmpty: true,
angle: function (context) {
return context.env.angle;
}
});
AST.Diag.Angle.Augment({
isEmpty: false,
angle: function (context) {
return this.ang;
}
});
AST.Decor.Augment({
toShape: function (context) {
this.commands.foreach(function (c) {
c.toShape(context);
});
}
});
AST.Command.Save.Augment({
toShape: function (context) {
context.env.saveState();
this.pos.toShape(context);
}
});
AST.Command.Restore.Augment({
toShape: function (context) {
context.env.restoreState();
}
});
AST.Command.Pos.Augment({
toShape: function (context) {
this.pos.toShape(context);
}
});
AST.Command.AfterPos.Augment({
toShape: function (context) {
this.pos.toShape(context);
this.decor.toShape(context);
}
});
AST.Command.Drop.Augment({
toShape: function (context) {
this.object.toDropShape(context);
}
});
AST.Command.Connect.Augment({
toShape: function (context) {
this.object.toConnectShape(context);
}
});
AST.Command.Relax.Augment({
toShape: function (context) {
// do nothing
}
});
AST.Command.Ignore.Augment({
toShape: function (context) {
// do nothing
}
});
AST.Command.ShowAST.Augment({
toShape: function (context) {
console.log(this.pos.toString() + " " + this.decor);
}
});
AST.Command.Ar.Augment({
toShape: function (context) {
var env = context.env;
var origin = env.origin;
var xBase = env.xBase;
var yBase = env.yBase;
var p = env.p;
var c = env.c;
env.pathActionForBeforeSegment = FP.Option.empty;
env.pathActionForAfterSegment = FP.Option.empty;
env.labelsForNextSegmentOnly = FP.Option.empty;
env.labelsForLastSegmentOnly = FP.Option.empty;
env.labelsForEverySegment = FP.Option.empty;
env.segmentSlideEm = FP.Option.empty;
env.lastTurnDiag = FP.Option.empty;
env.arrowVariant = "";
env.tailTip = AST.Command.Ar.Form.Tip.Tipchars("");
env.headTip = AST.Command.Ar.Form.Tip.Tipchars(">");
env.stemConn = AST.Command.Ar.Form.Conn.Connchars("-");
env.reverseAboveAndBelow = false;
env.arrowObjectModifiers = FP.List.empty;
this.forms.foreach(function (f) { f.toShape(context); });
if (!env.pathActionForBeforeSegment.isDefined) {
// the following AST means **\dir{stem}.
env.pathActionForBeforeSegment = FP.Option.Some(
AST.PosDecor(
AST.Pos.Coord(
AST.Coord.C(),
FP.List.empty.append(
AST.Pos.ConnectObject(
AST.Object(
env.arrowObjectModifiers,
env.stemConn.getObject(context)
)
)
)
),
AST.Decor(FP.List.empty)
)
);
}
env.labelsForNextSegmentOnly = FP.Option.Some(
AST.Command.Path.Labels(
FP.List.empty.append(
AST.Command.Path.Label.At(
AST.Pos.Place(AST.Place(1, 1, AST.Place.Factor(0), AST.Slide(FP.Option.empty))),
env.tailTip.getObject(context),
FP.Option.empty
)
)
)
);
// arrow head
env.labelsForLastSegmentOnly = FP.Option.Some(
AST.Command.Path.Labels(
FP.List.empty.append(
AST.Command.Path.Label.At(
AST.Pos.Place(AST.Place(1, 1, AST.Place.Factor(1), AST.Slide(FP.Option.empty))),
env.headTip.getObject(context),
FP.Option.empty
)
)
)
);
this.path.toShape(context);
env.c = c;
env.p = p;
env.origin = origin;
env.xBase = xBase;
env.yBase = yBase;
}
});
AST.Command.Ar.Form.BuildArrow.Augment({
toShape: function (context) {
var env = context.env;
env.arrowVariant = this.variant;
env.tailTip = this.tailTip;
env.stemConn = this.stemConn;
env.headTip = this.headTip;
}
});
AST.Command.Ar.Form.ChangeVariant.Augment({
toShape: function (context) {
var env = context.env;
env.arrowVariant = this.variant;
}
});
AST.Command.Ar.Form.ChangeStem.Augment({
toShape: function (context) {
var env = context.env;
env.stemConn = AST.Command.Ar.Form.Conn.Connchars(this.connchar);
}
});
AST.Command.Ar.Form.DashArrowStem.Augment({
toShape: function (context) {
// TODO impl
}
});
AST.Command.Ar.Form.CurveArrow.Augment({
toShape: function (context) {
var env = context.env;
var cpDist = xypic.em2length(xypic.length2em(this.dist) * 2);
// the following AST means **\crv{{**@{} ?+/d 2l/}}. too long...
env.pathActionForBeforeSegment = FP.Option.Some(
AST.PosDecor(
AST.Pos.Coord(
AST.Coord.C(),
FP.List.empty.append(
AST.Pos.ConnectObject(AST.Object(env.arrowObjectModifiers, AST.ObjectBox.Curve(
FP.List.empty,
FP.List.empty.append(
AST.ObjectBox.Curve.Object.Connect(
env.stemConn.getObject(context)
)
),
FP.List.empty.append(
AST.ObjectBox.Curve.PosList.Pos(
AST.Pos.Coord(
AST.Coord.Group(
AST.PosDecor(
AST.Pos.Coord(
AST.Coord.C(),
FP.List.empty.append(
AST.Pos.ConnectObject(
AST.Object(
FP.List.empty,
AST.ObjectBox.Dir("", "")
)
)
).append(
AST.Pos.Place(
AST.Place(0, 0, undefined, AST.Slide(FP.Option.empty))
)
).append(
AST.Pos.Plus(
AST.Coord.Vector(
AST.Vector.Dir(this.direction, cpDist)
)
)
)
),
AST.Decor(FP.List.empty)
)
),
FP.List.empty
)
)
)
)))
)
),
AST.Decor(FP.List.empty)
)
);
}
});
AST.Command.Ar.Form.CurveFitToDirection.Augment({
toShape: function (context) {
// the following AST means **\crv{;+/outdir 3pc/ & ;+/indir 3pc/}.
var env = context.env;
env.pathActionForBeforeSegment = FP.Option.Some(
AST.PosDecor(
AST.Pos.Coord(
AST.Coord.C(),
FP.List.empty.append(
AST.Pos.ConnectObject(AST.Object(env.arrowObjectModifiers, AST.ObjectBox.Curve(
FP.List.empty,
FP.List.empty.append(
AST.ObjectBox.Curve.Object.Connect(
env.stemConn.getObject(context)
)
),
FP.List.empty.append(
AST.ObjectBox.Curve.PosList.Pos(
AST.Pos.Coord(
AST.Coord.C(),
FP.List.empty.append(
AST.Pos.SwapPAndC(
AST.Coord.C()
)
).append(
AST.Pos.Plus(
AST.Coord.Vector(AST.Vector.Dir(this.outDirection, "3pc"))
)
)
)
)
).append(
AST.ObjectBox.Curve.PosList.Pos(
AST.Pos.Coord(
AST.Coord.C(),
FP.List.empty.append(
AST.Pos.SwapPAndC(
AST.Coord.C()
)
).append(
AST.Pos.Plus(
AST.Coord.Vector(AST.Vector.Dir(this.inDirection, "3pc"))
)
)
)
)
)
)))
)
),
AST.Decor(FP.List.empty)
)
);
}
});
AST.Command.Ar.Form.CurveWithControlPoints.Augment({
toShape: function (context) {
var env = context.env;
tmpEnv = env.duplicate();
tmpEnv.startCapturePositions();
var tmpContext = xypic.DrawingContext(xypic.Shape.none, tmpEnv);
this.coord.position(tmpContext);
var positions = tmpEnv.endCapturePositions();
positions = positions.append(tmpEnv.c);
var points = FP.List.empty;
positions.reverse().foreach(function (pos) {
var xy = env.inverseAbsVector(pos.x, pos.y);
points = points.prepend(AST.ObjectBox.Curve.PosList.Pos(
AST.Pos.Coord(
AST.Coord.Vector(AST.Vector.InCurBase(xy.x, xy.y)),
FP.List.empty
)
));
});
// the following AST means **\crv{ control points }.
env.pathActionForBeforeSegment = FP.Option.Some(
AST.PosDecor(
AST.Pos.Coord(
AST.Coord.C(),
FP.List.empty.append(
AST.Pos.ConnectObject(AST.Object(env.arrowObjectModifiers, AST.ObjectBox.Curve(
FP.List.empty,
FP.List.empty.append(
AST.ObjectBox.Curve.Object.Connect(
env.stemConn.getObject(context)
)
),
points
)))
)
),
AST.Decor(FP.List.empty)
)
);
}
});
AST.Command.Ar.Form.AddShape.Augment({
toShape: function (context) {
context.env.arrowObjectModifiers = FP.List.empty.append(this.shape);
}
});
AST.Command.Ar.Form.AddModifiers.Augment({
toShape: function (context) {
context.env.arrowObjectModifiers = this.modifiers;
}
});
AST.Command.Ar.Form.Slide.Augment({
toShape: function (context) {
context.env.segmentSlideEm = FP.Option.Some(xypic.length2em(this.slideDimen));
}
});
AST.Command.Ar.Form.LabelAt.Augment({
toShape: function (context) {
var env = context.env;
env.labelsForEverySegment = FP.Option.Some(
AST.Command.Path.Labels(
FP.List.empty.append(
AST.Command.Path.Label.At(
AST.Pos.Place(this.anchor), this.it, FP.Option.empty
)
)
)
);
}
});
AST.Command.Ar.Form.LabelAbove.Augment({
toShape: function (context) {
var env = context.env;
var label;
if (env.reverseAboveAndBelow) {
label = AST.Command.Path.Label.Below(
AST.Pos.Place(this.anchor), this.it, FP.Option.empty
);
} else {
label = AST.Command.Path.Label.Above(
AST.Pos.Place(this.anchor), this.it, FP.Option.empty
);
}
env.labelsForEverySegment = FP.Option.Some(
AST.Command.Path.Labels(FP.List.empty.append(label))
);
}
});
AST.Command.Ar.Form.LabelBelow.Augment({
toShape: function (context) {
var env = context.env;
var label;
if (env.reverseAboveAndBelow) {
label = AST.Command.Path.Label.Above(
AST.Pos.Place(this.anchor), this.it, FP.Option.empty
);
} else {
label = AST.Command.Path.Label.Below(
AST.Pos.Place(this.anchor), this.it, FP.Option.empty
);
}
env.labelsForEverySegment = FP.Option.Some(
AST.Command.Path.Labels(FP.List.empty.append(label))
);
}
});
AST.Command.Ar.Form.ReverseAboveAndBelow.Augment({
toShape: function (context) {
context.env.reverseAboveAndBelow = true;
}
});
AST.Command.Ar.Form.Conn.Connchars.Augment({
getObject: function (context) {
var env = context.env;
var dir = AST.ObjectBox.Dir(env.arrowVariant, this.connchars);
return AST.Object(env.arrowObjectModifiers, dir);
}
});
AST.Command.Ar.Form.Conn.Object.Augment({
getObject: function (context) {
var modifiers = context.env.arrowObjectModifiers.concat(this.object.modifiers);
return AST.Object(modifiers, this.object.object);
}
});
AST.Command.Ar.Form.Conn.Dir.Augment({
getObject: function (context) {
var env = context.env;
var thisDir = this.dir;
var dir = thisDir;
if (thisDir.variant === "" && env.arrowVariant !== "") {
dir = AST.ObjectBox.Dir(env.arrowVariant, thisDir.main);
}
return AST.Object(env.arrowObjectModifiers, dir);
}
});
AST.Command.Ar.Form.Tip.Tipchars.Augment({
getObject: function (context) {
var env = context.env;
var dir = AST.ObjectBox.Dir(env.arrowVariant, this.tipchars);
return AST.Object(env.arrowObjectModifiers, dir);
}
});
AST.Command.Ar.Form.Tip.Object.Augment({
getObject: function (context) {
var modifiers = context.env.arrowObjectModifiers.concat(this.object.modifiers);
return AST.Object(modifiers, this.object.object);
}
});
AST.Command.Ar.Form.Tip.Dir.Augment({
getObject: function (context) {
var env = context.env;
var thisDir = this.dir;
var dir = thisDir;
if (thisDir.variant === "" && env.arrowVariant !== "") {
dir = AST.ObjectBox.Dir(env.arrowVariant, thisDir.main);
}
return AST.Object(env.arrowObjectModifiers, dir);
}
});
AST.Command.Path.Augment({
toShape: function (context) {
var env = context.env;
var origin = env.origin;
var xBase = env.xBase;
var yBase = env.yBase;
var p = env.p;
var c = env.c;
env.pathActionForBeforeSegment = FP.Option.empty;
env.pathActionForAfterSegment = FP.Option.empty;
env.labelsForNextSegmentOnly = FP.Option.empty;
env.labelsForLastSegmentOnly = FP.Option.empty;
env.labelsForEverySegment = FP.Option.empty;
env.segmentSlideEm = FP.Option.empty;
env.lastTurnDiag = FP.Option.empty;
this.path.toShape(context);
env.c = c;
env.p = p;
env.origin = origin;
env.xBase = xBase;
env.yBase = yBase;
}
});
AST.Command.AfterPath.Augment({
toShape: function (context) {
this.path.toShape(context);
this.decor.toShape(context);
}
});
AST.Command.Path.Path.Augment({
toShape: function (context) {
this.pathElements.foreach(function (e) {
e.toShape(context);
});
}
});
AST.Command.Path.SetBeforeAction.Augment({
toShape: function (context) {
context.env.pathActionForBeforeSegment = FP.Option.Some(this.posDecor);
}
});
AST.Command.Path.SetAfterAction.Augment({
toShape: function (context) {
context.env.pathActionForAfterSegment = FP.Option.Some(this.posDecor);
}
});
AST.Command.Path.AddLabelNextSegmentOnly.Augment({
toShape: function (context) {
context.env.labelsForNextSegmentOnly = FP.Option.Some(this.labels);
}
});
AST.Command.Path.AddLabelLastSegmentOnly.Augment({
toShape: function (context) {
context.env.labelsForLastSegmentOnly = FP.Option.Some(this.labels);
}
});
AST.Command.Path.AddLabelEverySegment.Augment({
toShape: function (context) {
context.env.labelsForEverySegment = FP.Option.Some(this.labels);
}
});
AST.Command.Path.StraightSegment.Augment({
toShape: function (context) {
var env = context.env;
this.segment.setupPositions(context);
var c = env.c;
env.pathActionForBeforeSegment.foreach(function (action) {
action.toShape(context);
});
env.labelsForNextSegmentOnly.foreach(function (labels) {
labels.toShape(context);
env.labelsForNextSegmentOnly = FP.Option.empty;
});
env.labelsForEverySegment.foreach(function (labels) {
labels.toShape(context);
});
env.c = c;
env.pathActionForAfterSegment.foreach(function (action) {
action.toShape(context);
});
this.segment.toLabelsShape(context);
}
});
AST.Command.Path.LastSegment.Augment({
toShape: function (context) {
var env = context.env;
this.segment.setupPositions(context);
var c = env.c;
env.pathActionForBeforeSegment.foreach(function (action) {
action.toShape(context);
});
env.labelsForNextSegmentOnly.foreach(function (labels) {
labels.toShape(context);
env.labelsForNextSegmentOnly = FP.Option.empty;
});
env.labelsForLastSegmentOnly.foreach(function (labels) {
labels.toShape(context);
env.labelsForNextSegmentOnly = FP.Option.empty;
});
env.labelsForEverySegment.foreach(function (labels) {
labels.toShape(context);
});
env.c = c;
env.pathActionForAfterSegment.foreach(function (action) {
action.toShape(context);
});
this.segment.toLabelsShape(context);
}
});
AST.Command.Path.TurningSegment.Augment({
toShape: function (context) {
var env = context.env;
var p = env.c;
this.segment.pos.toShape(context);
env.p = p;
var circle = this.turn.explicitizedCircle(context);
var r = this.turn.radius.radius(context);
env.lastTurnDiag = FP.Option.Some(circle.endDiag);
var sv = circle.startVector(context);
var ev = circle.endVector(context);
var slideEm = env.segmentSlideEm.getOrElse(0);
this.segment.slide.dimen.foreach(function (d) {
slideEm = xypic.length2em(d);
env.segmentSlideEm = FP.Option.Some(slideEm);
});
if (slideEm !== 0) {
env.p = env.p.move(
env.p.x - slideEm * sv.y,
env.p.y + slideEm * sv.x);
env.c = env.c.move(
env.c.x - slideEm * ev.y,
env.c.y + slideEm * ev.x);
if (circle.orient === "^") {
r = Math.max(0, r - slideEm);
} else {
r = Math.max(0, r + slideEm);
}
}
var s = env.p.edgePoint(env.p.x + sv.x, env.p.y + sv.y);
var e = env.c;
var ds = circle.relativeStartPoint(context, r);
var de = circle.relativeEndPoint(context, r);
var deo = circle.relativeEndPoint(context, r + (circle.orient === "^"? slideEm : -slideEm));
var t;
var det = sv.x * ev.y - sv.y * ev.x;
if (Math.abs(det) < AST.xypic.machinePrecision) {
t = 0;
} else {
var dx = e.x - s.x + ds.x - de.x;
var dy = e.y - s.y + ds.y - de.y;
t = (ev.y * dx - ev.x * dy)/det;
if (t < 0) { t = 0; }
}
var x = s.x - ds.x + t * sv.x;
var y = s.y - ds.y + t * sv.y;
var circleShape = circle.toDropShape(context, x, y, r);
var c = xypic.Frame.Point(x + deo.x, y + deo.y);
env.c = xypic.Frame.Point(x + ds.x, y + ds.y);
env.pathActionForBeforeSegment.foreach(function (action) {
action.toShape(context);
});
env.labelsForNextSegmentOnly.foreach(function (labels) {
labels.toShape(context);
env.labelsForNextSegmentOnly = FP.Option.empty;
});
env.labelsForEverySegment.foreach(function (labels) {
labels.toShape(context);
});
env.c = c;
env.pathActionForAfterSegment.foreach(function (action) {
action.toShape(context);
});
this.segment.toLabelsShape(context);
}
});
AST.Command.Path.Turn.Cir.Augment({
explicitizedCircle: function (context) {
var env = context.env;
var startDiag, orient, endDiag;
if (this.cir.startDiag.isEmpty) {
startDiag = env.lastTurnDiag.getOrElse(AST.Diag.R());
} else {
startDiag = this.cir.startDiag;
}
orient = this.cir.orient;
if (this.cir.endDiag.isEmpty) {
endDiag = startDiag.turn(orient);
} else {
endDiag = this.cir.endDiag;
}
return AST.ObjectBox.Cir.Cir.Segment(startDiag, orient, endDiag);
}
});
AST.ObjectBox.Cir.Cir.Segment.Augment({
startVector: function (context) {
var angle = this.startDiag.angle(context);
return { x:Math.cos(angle), y:Math.sin(angle) };
},
endVector: function (context) {
var angle = this.endDiag.angle(context);
return { x:Math.cos(angle), y:Math.sin(angle) };
},
relativeStartPointAngle: function (context) {
return this.startPointDegree(context) / 180 * Math.PI;
},
relativeStartPoint: function (context, r) {
var angle = this.startPointDegree(context) / 180 * Math.PI;
return { x:r * Math.cos(angle), y:r * Math.sin(angle) };
},
relativeEndPoint: function (context, r) {
var angle;
angle = this.endPointDegree(context, this.relativeStartPointAngle(context)) / 180 * Math.PI;
return { x:r * Math.cos(angle), y:r * Math.sin(angle) };
}
});
AST.Command.Path.Turn.Diag.Augment({
explicitizedCircle: function (context) {
var env = context.env;
var startDiag, orient, endDiag;
if (this.diag.isEmpty) {
startDiag = env.lastTurnDiag.getOrElse(AST.Diag.R());
} else {
startDiag = this.diag;
}
var angle = startDiag.angle(context);
var det = (env.c.x - env.p.x) * Math.sin(angle) - (env.c.y - env.p.y) * Math.cos(angle);
orient = (det < 0? "^" : "_");
endDiag = startDiag.turn(orient);
return AST.ObjectBox.Cir.Cir.Segment(startDiag, orient, endDiag);
}
});
AST.Command.Path.TurnRadius.Default.Augment({
radius: function (context) {
return AST.xypic.turnradius;
}
});
AST.Command.Path.TurnRadius.Dimen.Augment({
radius: function (context) {
return xypic.length2em(this.dimen);
}
});
AST.Command.Path.Segment.Augment({
setupPositions: function (context) {
var env = context.env;
env.p = env.c;
this.pos.toShape(context);
var p = env.p;
var c = env.c;
var tx = c.x - p.x;
var ty = c.y - p.y;
var angle = Math.atan2(ty, tx) + Math.PI / 2;
var slideEm = env.segmentSlideEm.getOrElse(0);
this.slide.dimen.foreach(function (d) {
slideEm = xypic.length2em(d);
env.segmentSlideEm = FP.Option.Some(slideEm);
});
if (slideEm !== 0) {
p = p.move(p.x + slideEm * Math.cos(angle), p.y + slideEm * Math.sin(angle));
c = c.move(c.x + slideEm * Math.cos(angle), c.y + slideEm * Math.sin(angle));
}
env.p = p;
env.c = c;
},
toLabelsShape: function (context) {
var env = context.env;
var c = env.c, p = env.p;
this.labels.toShape(context);
env.c = c;
env.p = p;
}
});
AST.Command.Path.Labels.Augment({
toShape: function (context) {
this.labels.foreach(function (label) {
label.toShape(context);
});
}
});
AST.Command.Path.Label.Augment({
toShape: function (context) {
var env = context.env;
var p = env.p;
var c = env.c;
var t = this.anchor.toShape(context);
var labelmargin = this.getLabelMargin(context);
if (labelmargin !== 0) {
var lastCurve = env.lastCurve;
var angle;
if (!lastCurve.isNone) {
angle = lastCurve.angle(t) + Math.PI/2 + (labelmargin > 0? 0 : Math.PI);
} else {
angle = Math.atan2(c.y - p.y, c.x - p.x) + Math.PI/2;
}
var c = env.c;
var subcontext = xypic.DrawingContext(xypic.Shape.none, env);
this.it.toDropShape(subcontext);
var labelShape = subcontext.shape;
var bbox = labelShape.getBoundingBox();
if (bbox !== undefined) {
var x = bbox.x - c.x;
var y = bbox.y - c.y;
var l = bbox.l;
var r = bbox.r;
var u = bbox.u;
var d = bbox.d;
var cos = Math.cos(angle);
var sin = Math.sin(angle);
var delta = Math.min(
(x - l) * cos + (y - d) * sin,
(x - l) * cos + (y + u) * sin,
(x + r) * cos + (y - d) * sin,
(x + r) * cos + (y + u) * sin
);
var margin = Math.abs(labelmargin) - delta;
env.c = env.c.move(c.x + margin * cos, c.y + margin * sin);
context.appendShapeToFront(xypic.Shape.TranslateShape(margin * cos, margin * sin, labelShape));
}
} else {
this.it.toDropShape(context);
}
var lastCurve = env.lastCurve;
if (this.shouldSliceHole && lastCurve.isDefined && t !== undefined) {
lastCurve.sliceHole(env.c, t);
}
this.aliasOption.foreach(function (alias) {
env.savePos(alias, xypic.Saving.Position(env.c));
});
}
});
AST.Command.Path.Label.Above.Augment({
getLabelMargin: function (context) {
return context.env.labelmargin;
},
shouldSliceHole: false
});
AST.Command.Path.Label.Below.Augment({
getLabelMargin: function (context) {
return -context.env.labelmargin;
},
shouldSliceHole: false
});
AST.Command.Path.Label.At.Augment({
getLabelMargin: function (context) {
return 0;
},
shouldSliceHole: true
});
AST.Command.Xymatrix.Augment({
toShape: function (context) {
var origEnv = context.env;
if (origEnv.c === undefined) {
return xypic.Shape.none;
}
var subEnv = origEnv.duplicate();
var subcontext = xypic.DrawingContext(xypic.Shape.none, subEnv);
subEnv.xymatrixPrefix = "";
subEnv.xymatrixRowSepEm = xypic.length2em("2pc");
subEnv.xymatrixColSepEm = xypic.length2em("2pc");
subEnv.xymatrixPretendEntryHeight = FP.Option.empty;
subEnv.xymatrixPretendEntryWidth = FP.Option.empty;
subEnv.xymatrixFixedRow = false;
subEnv.xymatrixFixedCol = false;
subEnv.xymatrixOrientationAngle = 0;
subEnv.xymatrixEntryModifiers = FP.List.empty;
this.setup.foreach(function (sw) { sw.toShape(subcontext); });
var orientation = subEnv.xymatrixOrientationAngle;
var rowCount;
var columnCount = 0;
var rownum = 0, colnum;
var matrix = xypic.Xymatrix(
this.rows.map(function (row) {
rownum += 1;
colnum = 0;
var rowModel = xypic.Xymatrix.Row(
row.entries.map(function (entry) {
colnum += 1;
var localEnv = subEnv.duplicate();
localEnv.origin = {x:0, y:0};
localEnv.p = localEnv.c = xypic.Env.originPosition;
localEnv.angle = 0;
localEnv.lastCurve = xypic.LastCurve.none;
localEnv.xymatrixRow = rownum; // = \the\Row
localEnv.xymatrixCol = colnum; // = \the\Col
var localContext = xypic.DrawingContext(xypic.Shape.none, localEnv);
var shape = entry.toShape(localContext);
var c = localEnv.c;
var l, r, u, d;
if (subEnv.xymatrixPretendEntryHeight.isDefined) {
var h = subEnv.xymatrixPretendEntryHeight.get;
u = h / 2;
d = h / 2;
} else {
u = c.u;
d = c.d;
}
if (subEnv.xymatrixPretendEntryWidth.isDefined) {
var w = subEnv.xymatrixPretendEntryWidth.get;
l = w / 2;
r = w / 2;
} else {
l = c.l;
r = c.r;
}
var frame = xypic.Frame.Rect(0, 0, { l:l, r:r, u:u, d:d });
return xypic.Xymatrix.Entry(localEnv.c, shape, entry.decor, frame);
}),
orientation
);
columnCount = Math.max(columnCount, colnum);
return rowModel;
}),
orientation
);
rowCount = rownum;
if (rowCount === 0) {
return xypic.Shape.none;
}
var colnum;
matrix.rows.foreach(function (row) {
colnum = 0;
row.entries.foreach (function (entry) {
colnum += 1;
var column = matrix.getColumn(colnum);
column.addEntry(entry);
});
});
/*
console.log(matrix.toString());
var rownum = 0;
matrix.rows.foreach(function (row) {
rownum += 1;
console.log("row[" + rownum + "] #" + row.entries.length() + " u:" + row.getU() + ", d:" + row.getD());
})
var colnum = 0;
matrix.columns.foreach(function (col) {
colnum += 1;
console.log("column[" + colnum + "] #" + col.entries.length() + " l:" + col.getL() + ", r:" + col.getR());
})
*/
var colsep = subEnv.xymatrixColSepEm;
var xs = [];
var x = origEnv.c.x;
xs.push(x);
if (subEnv.xymatrixFixedCol) {
var maxL = 0;
var maxR = 0;
matrix.columns.foreach(function (col) {
maxL = Math.max(maxL, col.getL());
maxR = Math.max(maxR, col.getR());
});
matrix.columns.tail.foreach(function (col) {
x = x + maxR + colsep + maxL;
xs.push(x);
});
l = maxL;
r = xs[xs.length - 1] + maxR;
} else {
var prevCol = matrix.columns.head;
matrix.columns.tail.foreach(function (col) {
x = x + prevCol.getR() + colsep + col.getL();
xs.push(x);
prevCol = col;
});
l = matrix.columns.head.getL();
r = x + matrix.columns.at(columnCount - 1).getR() - xs[0];
}
var rowsep = subEnv.xymatrixRowSepEm;
var ys = [];
var y = origEnv.c.y;
ys.push(y);
if (subEnv.xymatrixFixedRow) {
var maxU = 0;
var maxD = 0;
matrix.rows.foreach(function (row) {
maxU = Math.max(maxU, row.getU());
maxD = Math.max(maxD, row.getD());
});
matrix.rows.tail.foreach(function (row) {
y = y - (maxD + rowsep + maxU);
ys.push(y);
});
u = maxU;
d = ys[0] - ys[ys.length - 1] + maxD;
} else {
var prevRow = matrix.rows.head;
matrix.rows.tail.foreach(function (row) {
y = y - (prevRow.getD() + rowsep + row.getU());
ys.push(y);
prevRow = row;
});
u = matrix.rows.head.getU();
d = ys[0] - y + matrix.rows.at(rowCount - 1).getD();
}
origEnv.c = xypic.Frame.Rect(origEnv.c.x, origEnv.c.y, { l:l, r:r, u:u, d:d });
var prefix = subEnv.xymatrixPrefix;
var cos = Math.cos(orientation);
var sin = Math.sin(orientation);
var rowIndex = 0;
matrix.rows.foreach(function (row) {
colIndex = 0;
row.entries.foreach (function (entry) {
var x0 = xs[colIndex];
var y0 = ys[rowIndex];
var x = x0 * cos - y0 * sin;
var y = x0 * sin + y0 * cos;
var colnum = colIndex + 1;
var rownum = rowIndex + 1;
var pos = xypic.Saving.Position(entry.c.move(x, y));
subEnv.savePos("" + rownum + "," + colnum, pos);
subEnv.savePos(prefix + rownum + "," + colnum, pos);
colIndex += 1;
});
rowIndex += 1;
});
subcontext = xypic.DrawingContext(xypic.Shape.none, subEnv);
var rowIndex = 0;
matrix.rows.foreach(function (row) {
colIndex = 0;
row.entries.foreach (function (entry) {
var x0 = xs[colIndex];
var y0 = ys[rowIndex];
var x = x0 * cos - y0 * sin;
var y = x0 * sin + y0 * cos;
var colnum = colIndex + 1;
var rownum = rowIndex + 1;
var objectShape = xypic.Shape.TranslateShape(x, y, entry.objectShape);
subcontext.appendShapeToFront(objectShape);
// draw decor
subEnv.c = entry.c.move(x, y);
subEnv.xymatrixRow = rownum; // = \the\Row
subEnv.xymatrixCol = colnum; // = \the\Col
entry.decor.toShape(subcontext);
colIndex += 1;
});
rowIndex += 1;
});
var matrixShape = subcontext.shape;
context.appendShapeToFront(matrixShape);
origEnv.savedPosition = subEnv.savedPosition;
return matrixShape;
}
});
// xymatrix data models
xypic.Xymatrix = MathJax.Object.Subclass({
Init: function (rows, orientation) {
this.rows = rows;
this.columns = FP.List.empty;
this.orientation = orientation;
},
getColumn: function (colnum /* >= 1 */) {
if (this.columns.length() >= colnum) {
return this.columns.at(colnum - 1);
} else {
var column = xypic.Xymatrix.Column(this.orientation);
this.columns = this.columns.append(column);
return column;
}
},
toString: function () {
return "Xymatrix{\n" + this.rows.mkString("\\\\\n") + "\n}";
}
});
xypic.Xymatrix.Row = MathJax.Object.Subclass({
Init: function (entries, orientation) {
this.entries = entries;
this.orientation = orientation;
memoize(this, "getU");
memoize(this, "getD");
},
getU: function () {
var orientation = this.orientation;
var maxU = 0;
this.entries.foreach(function (e) { maxU = Math.max(maxU, e.getU(orientation)); })
return maxU;
},
getD: function () {
var orientation = this.orientation;
var maxD = 0;
this.entries.foreach(function (e) { maxD = Math.max(maxD, e.getD(orientation)); })
return maxD;
},
toString: function () {
return this.entries.mkString(" & ");
}
});
xypic.Xymatrix.Column = MathJax.Object.Subclass({
Init: function (orientation) {
this.entries = FP.List.empty;
this.orientation = orientation;
memoize(this, "getL");
memoize(this, "getR");
},
addEntry: function (entry) {
this.entries = this.entries.append(entry);
this.getL.reset;
this.getR.reset;
},
getL: function () {
var orientation = this.orientation;
var maxL = 0;
this.entries.foreach(function (e) { maxL = Math.max(maxL, e.getL(orientation)); })
return maxL;
},
getR: function () {
var orientation = this.orientation;
var maxR = 0;
this.entries.foreach(function (e) { maxR = Math.max(maxR, e.getR(orientation)); })
return maxR;
},
toString: function () {
return this.entries.mkString(" \\\\ ");
}
});
xypic.Xymatrix.Entry = MathJax.Object.Subclass({
Init: function (c, objectShape, decor, frame) {
this.c = c;
this.objectShape = objectShape;
this.decor = decor;
this.frame = frame;
},
getDistanceToEdgePoint: function (frame, angle) {
var edgePoint = frame.edgePoint(frame.x + Math.cos(angle), frame.y + Math.sin(angle));
var dx = edgePoint.x - frame.x;
var dy = edgePoint.y - frame.y;
return Math.sqrt(dx * dx + dy * dy);
},
getU: function (orientation) {
if (orientation === 0) {
return this.frame.u;
}
return this.getDistanceToEdgePoint(this.frame, orientation + Math.PI / 2);
},
getD: function (orientation) {
if (orientation === 0) {
return this.frame.d;
}
return this.getDistanceToEdgePoint(this.frame, orientation - Math.PI / 2);
},
getL: function (orientation) {
if (orientation === 0) {
return this.frame.l;
}
return this.getDistanceToEdgePoint(this.frame, orientation + Math.PI);
},
getR: function (orientation) {
if (orientation === 0) {
return this.frame.r;
}
return this.getDistanceToEdgePoint(this.frame, orientation);
},
toString: function () {
return this.objectShape.toString() + " " + this.decor;
}
});
AST.Command.Xymatrix.Setup.Prefix.Augment({
toShape: function (context) {
context.env.xymatrixPrefix = this.prefix;
}
});
AST.Command.Xymatrix.Setup.ChangeSpacing.Row.Augment({
toShape: function (context) {
var env = context.env;
env.xymatrixRowSepEm = this.addop.applyToDimen(env.xymatrixRowSepEm, xypic.length2em(this.dimen));
}
});
AST.Command.Xymatrix.Setup.ChangeSpacing.Column.Augment({
toShape: function (context) {
var env = context.env;
env.xymatrixColSepEm = this.addop.applyToDimen(env.xymatrixColSepEm, xypic.length2em(this.dimen));
}
});
AST.Command.Xymatrix.Setup.ChangeSpacing.RowAndColumn.Augment({
toShape: function (context) {
var env = context.env;
var sepEm = this.addop.applyToDimen(env.xymatrixRowSepEm, xypic.length2em(this.dimen));
env.xymatrixRowSepEm = sepEm;
env.xymatrixColSepEm = sepEm;
}
});
AST.Command.Xymatrix.Setup.PretendEntrySize.Height.Augment({
toShape: function (context) {
context.env.xymatrixPretendEntryHeight = FP.Option.Some(xypic.length2em(this.dimen));
}
});
AST.Command.Xymatrix.Setup.PretendEntrySize.Width.Augment({
toShape: function (context) {
context.env.xymatrixPretendEntryWidth = FP.Option.Some(xypic.length2em(this.dimen));
}
});
AST.Command.Xymatrix.Setup.PretendEntrySize.HeightAndWidth.Augment({
toShape: function (context) {
var len = FP.Option.Some(xypic.length2em(this.dimen));
context.env.xymatrixPretendEntryHeight = len;
context.env.xymatrixPretendEntryWidth = len;
}
});
AST.Command.Xymatrix.Setup.FixGrid.Row.Augment({
toShape: function (context) {
context.env.xymatrixFixedRow = true;
}
});
AST.Command.Xymatrix.Setup.FixGrid.Column.Augment({
toShape: function (context) {
context.env.xymatrixFixedCol = true;
}
});
AST.Command.Xymatrix.Setup.FixGrid.RowAndColumn.Augment({
toShape: function (context) {
context.env.xymatrixFixedRow = true;
context.env.xymatrixFixedCol = true;
}
});
AST.Command.Xymatrix.Setup.AdjustEntrySize.Margin.Augment({
toShape: function (context) {
var env = context.env;
env.objectmargin = this.addop.applyToDimen(env.objectmargin, xypic.length2em(this.dimen));
}
});
AST.Command.Xymatrix.Setup.AdjustEntrySize.Width.Augment({
toShape: function (context) {
var env = context.env;
env.objectwidth = this.addop.applyToDimen(env.objectwidth, xypic.length2em(this.dimen));
}
});
AST.Command.Xymatrix.Setup.AdjustEntrySize.Height.Augment({
toShape: function (context) {
var env = context.env;
env.objectheight = this.addop.applyToDimen(env.objectheight, xypic.length2em(this.dimen));
}
});
AST.Command.Xymatrix.Setup.AdjustLabelSep.Augment({
toShape: function (context) {
var env = context.env;
env.labelmargin = this.addop.applyToDimen(env.labelmargin, xypic.length2em(this.dimen));
}
});
AST.Command.Xymatrix.Setup.SetOrientation.Augment({
toShape: function (context) {
var env = context.env;
env.xymatrixOrientationAngle = this.direction.angle(context);
}
});
AST.Command.Xymatrix.Setup.AddModifier.Augment({
toShape: function (context) {
var env = context.env;
env.xymatrixEntryModifiers = env.xymatrixEntryModifiers.prepend(this.modifier);
}
});
AST.Command.Xymatrix.Entry.SimpleEntry.Augment({
toShape: function (context) {
var env = context.env;
var defaultWidth = xypic.em2length(env.objectmargin + env.objectwidth);
var defaultHeight = xypic.em2length(env.objectmargin + env.objectheight);
var defaultSizeModifier = AST.Modifier.AddOp(AST.Modifier.AddOp.GrowTo(), AST.Modifier.AddOp.VactorSize(AST.Vector.Abs(
defaultWidth, defaultHeight
)));
var margin = xypic.em2length(env.objectmargin);
var marginModifier = AST.Modifier.AddOp(AST.Modifier.AddOp.Grow(), AST.Modifier.AddOp.VactorSize(AST.Vector.Abs(
margin, margin
)));
var modifiers = this.modifiers.concat(env.xymatrixEntryModifiers).prepend(defaultSizeModifier).prepend(marginModifier);
return AST.Object(modifiers, this.objectbox).toDropShape(context);
}
});
AST.Command.Xymatrix.Entry.EmptyEntry.Augment({
toShape: function (context) {
var env = context.env;
var defaultWidth = xypic.em2length(env.objectmargin + env.objectwidth);
var defaultHeight = xypic.em2length(env.objectmargin + env.objectheight);
var defaultSizeModifier = AST.Modifier.AddOp(AST.Modifier.AddOp.GrowTo(), AST.Modifier.AddOp.VactorSize(AST.Vector.Abs(
defaultWidth, defaultHeight
)));
var margin = xypic.em2length(env.objectmargin);
var marginModifier = AST.Modifier.AddOp(AST.Modifier.AddOp.Grow(), AST.Modifier.AddOp.VactorSize(AST.Vector.Abs(
margin, margin
)));
var modifiers = env.xymatrixEntryModifiers.prepend(defaultSizeModifier).prepend(marginModifier);
return AST.Object(modifiers, AST.ObjectBox.Empty()).toDropShape(context);
}
});
AST.Command.Xymatrix.Entry.ObjectEntry.Augment({
toShape: function (context) {
return this.object.toDropShape(context);
}
});
AST.Command.Twocell.Augment({
toShape: function (context) {
var origEnv = context.env;
if (origEnv.c === undefined) {
return xypic.Shape.none;
}
var subEnv = origEnv.duplicate();
var subcontext = xypic.DrawingContext(xypic.Shape.none, subEnv);
subEnv.twocellmodmapobject = origEnv.twocellmodmapobject || AST.Object(FP.List.empty, AST.ObjectBox.Dir("", "|"));
subEnv.twocellhead = origEnv.twocellhead || AST.Object(FP.List.empty, AST.ObjectBox.Dir("", ">"));
subEnv.twocelltail = origEnv.twocelltail || AST.Object(FP.List.empty, AST.ObjectBox.Dir("", ""));
subEnv.twocellarrowobject = origEnv.twocellarrowobject || AST.Object(FP.List.empty, AST.ObjectBox.Dir("", "=>"));
subEnv.twocellUpperCurveObjectSpacer = origEnv.twocellUpperCurveObjectSpacer;
subEnv.twocellUpperCurveObject = origEnv.twocellUpperCurveObject;
subEnv.twocellLowerCurveObjectSpacer = origEnv.twocellLowerCurveObjectSpacer;
subEnv.twocellLowerCurveObject = origEnv.twocellLowerCurveObject;
// temporary attributes
subEnv.twocellUpperLabel = FP.Option.empty;
subEnv.twocellLowerLabel = FP.Option.empty;
subEnv.twocellCurvatureEm = FP.Option.empty;
subEnv.twocellShouldDrawCurve = true;
subEnv.twocellShouldDrawModMap = false;
this.switches.foreach(function (sw) { sw.setup(subcontext); });
this.twocell.toShape(subcontext, this.arrow);
context.appendShapeToFront(subcontext.shape);
}
});
AST.Command.Twocell.Hops2cell.Augment({
toShape: function (context, arrow) {
var env = context.env;
var c = env.c;
var angle = env.angle;
var s = env.c;
var e = this.targetPosition(context);
if (s === undefined || e === undefined) {
return;
}
var dx = e.x - s.x;
var dy = e.y - s.y;
if (dx === 0 && dy === 0) {
return;
}
var m = xypic.Frame.Point(
s.x + dx * 0.5,
s.y + dy * 0.5
);
var tangle = Math.atan2(dy, dx);
var antiClockwiseAngle = tangle + Math.PI / 2;
var curvatureEm = env.twocellCurvatureEm.getOrElse(this.getDefaultCurvature());
var ncos = Math.cos(antiClockwiseAngle);
var nsin = Math.sin(antiClockwiseAngle);
var ucp = this.getUpperControlPoint(s, e, m, curvatureEm, ncos, nsin);
var lcp = this.getLowerControlPoint(s, e, m, curvatureEm, ncos, nsin);
if (env.twocellShouldDrawCurve) {
// upper curve
var objectForDrop = env.twocellUpperCurveObjectSpacer;
var objectForConnect;
if (objectForDrop === undefined) {
objectForConnect = AST.Object(FP.List.empty, AST.ObjectBox.Dir("", "-"));
} else {
if (env.twocellUpperCurveObject !== undefined) {
objectForConnect = env.twocellUpperCurveObject.getOrElse(undefined);
} else {
objectForConnect = undefined;
}
}
this.toUpperCurveShape(context, s, ucp, e, objectForDrop, objectForConnect);
if (env.lastCurve.isDefined) {
env.angle = tangle;
var ucmp = this.getUpperLabelPosition(s, e, m, curvatureEm, ncos, nsin);
var uangle = this.getUpperLabelAngle(antiClockwiseAngle, s, e, m, curvatureEm, ncos, nsin);
env.twocellUpperLabel.foreach(function (l) {
l.toShape(context, ucmp, Math.cos(uangle), Math.sin(uangle), tangle);
});
if (this.hasUpperTips) {
arrow.toUpperTipsShape(context);
}
}
// lower curve
var objectForDrop = env.twocellLowerCurveObjectSpacer;
var objectForConnect;
if (objectForDrop === undefined) {
objectForConnect = AST.Object(FP.List.empty, AST.ObjectBox.Dir("", "-"));
} else {
if (env.twocellLowerCurveObject !== undefined) {
objectForConnect = env.twocellLowerCurveObject.getOrElse(undefined);
} else {
objectForConnect = undefined;
}
}
this.toLowerCurveShape(context, s, lcp, e, objectForDrop, objectForConnect);
if (env.lastCurve.isDefined) {
env.angle = tangle;
var lcmp = this.getLowerLabelPosition(s, e, m, curvatureEm, ncos, nsin);
var langle = this.getLowerLabelAngle(antiClockwiseAngle, s, e, m, curvatureEm, ncos, nsin);
env.twocellLowerLabel.foreach(function (l) {
l.toShape(context, lcmp, Math.cos(langle), Math.sin(langle), tangle);
});
if (this.hasLowerTips) {
arrow.toLowerTipsShape(context);
}
}
}
env.c = this.getDefaultArrowPoint(s, e, m, curvatureEm, ncos, nsin);
env.angle = antiClockwiseAngle + Math.PI;
var labelOrigin = m;
arrow.toArrowShape(context, labelOrigin);
env.c = c;
env.angle = angle;
},
_toCurveShape: function (context, s, cp, e, objectForDrop, objectForConnect) {
var env = context.env;
var origBezier = xypic.Curve.QuadBezier(s, cp, e);
var tOfShavedStart = origBezier.tOfShavedStart(s);
var tOfShavedEnd = origBezier.tOfShavedEnd(e);
if (tOfShavedStart === undefined || tOfShavedEnd === undefined || tOfShavedStart >= tOfShavedEnd) {
env.lastCurve = xypic.LastCurve.none;
return;
}
var curveShape = origBezier.toShape(context, objectForDrop, objectForConnect);
env.lastCurve = xypic.LastCurve.QuadBezier(origBezier, tOfShavedStart, tOfShavedEnd, curveShape);
},
targetPosition: function (context) {
var env = context.env;
var row = env.xymatrixRow;
var col = env.xymatrixCol;
if (row === undefined || col === undefined) {
throw xypic.ExecutionError("rows and columns not found for hops [" + this.hops + "]");
}
for (var i = 0; i < this.hops.length; i++) {
switch (this.hops[i]) {
case 'u':
row -= 1;
break;
case 'd':
row += 1;
break;
case 'l':
col -= 1;
break;
case 'r':
col += 1;
break;
}
}
var id = "" + row + "," + col;
return context.env.lookupPos(id, 'in entry "' + env.xymatrixRow + "," + env.xymatrixCol + '": No ' + this + " (is " + id + ") from here.").position(context);
}
});
AST.Command.Twocell.Twocell.Augment({
getUpperControlPoint: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return xypic.Frame.Point(
midPoint.x + curvatureEm * ncos,
midPoint.y + curvatureEm * nsin
);
},
getLowerControlPoint: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return xypic.Frame.Point(
midPoint.x - curvatureEm * ncos,
midPoint.y - curvatureEm * nsin
);
},
getUpperLabelPosition: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return xypic.Frame.Point(
midPoint.x + 0.5 * curvatureEm * ncos,
midPoint.y + 0.5 * curvatureEm * nsin
);
},
getLowerLabelPosition: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return xypic.Frame.Point(
midPoint.x - 0.5 * curvatureEm * ncos,
midPoint.y - 0.5 * curvatureEm * nsin
);
},
getUpperLabelAngle: function (antiClockwiseAngle, s, e, midPoint, curvatureEm, ncos, nsin) {
var rot = (curvatureEm < 0? Math.PI : 0);
return antiClockwiseAngle + rot;
},
getLowerLabelAngle: function (antiClockwiseAngle, s, e, midPoint, curvatureEm, ncos, nsin) {
var rot = (curvatureEm < 0? 0 : Math.PI);
return antiClockwiseAngle + rot;
},
getDefaultArrowPoint: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return midPoint;
},
toUpperCurveShape: function (context, s, cp, e, objectForDrop, objectForConnect) {
this._toCurveShape(context, s, cp, e, objectForDrop, objectForConnect);
},
toLowerCurveShape: function (context, s, cp, e, objectForDrop, objectForConnect) {
this._toCurveShape(context, s, cp, e, objectForDrop, objectForConnect);
},
getDefaultCurvature: function () { return 3.5 * AST.xypic.lineElementLength; },
hasUpperTips: true,
hasLowerTips: true
});
AST.Command.Twocell.UpperTwocell.Augment({
getUpperControlPoint: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return xypic.Frame.Point(
midPoint.x + curvatureEm * ncos,
midPoint.y + curvatureEm * nsin
);
},
getLowerControlPoint: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return midPoint;
},
getUpperLabelPosition: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return xypic.Frame.Point(
midPoint.x + 0.5 * curvatureEm * ncos,
midPoint.y + 0.5 * curvatureEm * nsin
);
},
getLowerLabelPosition: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return midPoint;
},
getUpperLabelAngle: function (antiClockwiseAngle, s, e, midPoint, curvatureEm, ncos, nsin) {
var rot = (curvatureEm < 0? Math.PI : 0);
return antiClockwiseAngle + rot;
},
getLowerLabelAngle: function (antiClockwiseAngle, s, e, midPoint, curvatureEm, ncos, nsin) {
var rot = (curvatureEm < 0? 0 : Math.PI);
return antiClockwiseAngle + rot;
},
getDefaultArrowPoint: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return xypic.Frame.Point(
midPoint.x + 0.25 * curvatureEm * ncos,
midPoint.y + 0.25 * curvatureEm * nsin
);
},
toUpperCurveShape: function (context, s, cp, e, objectForDrop, objectForConnect) {
this._toCurveShape(context, s, cp, e, objectForDrop, objectForConnect);
},
toLowerCurveShape: function (context, s, cp, e, objectForDrop, objectForConnect) {
var shavedS = s.edgePoint(e.x, e.y);
var shavedE = e.edgePoint(s.x, s.y);
if (shavedS.x !== shavedE.x || shavedS.y !== shavedE.y) {
context.env.lastCurve = xypic.LastCurve.Line(shavedS, shavedE, s, e, undefined);
} else {
context.env.lastCurve = xypic.LastCurve.none;
}
},
getDefaultCurvature: function () { return 7 * AST.xypic.lineElementLength; },
hasUpperTips: true,
hasLowerTips: false
});
AST.Command.Twocell.LowerTwocell.Augment({
getUpperControlPoint: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return midPoint;
},
getLowerControlPoint: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return xypic.Frame.Point(
midPoint.x + curvatureEm * ncos,
midPoint.y + curvatureEm * nsin
);
},
getUpperLabelPosition: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return midPoint;
},
getLowerLabelPosition: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return xypic.Frame.Point(
midPoint.x + 0.5 * curvatureEm * ncos,
midPoint.y + 0.5 * curvatureEm * nsin
);
},
getUpperLabelAngle: function (antiClockwiseAngle, s, e, midPoint, curvatureEm, ncos, nsin) {
var rot = (curvatureEm < 0? 0 : Math.PI);
return antiClockwiseAngle + rot;
},
getLowerLabelAngle: function (antiClockwiseAngle, s, e, midPoint, curvatureEm, ncos, nsin) {
var rot = (curvatureEm < 0? Math.PI : 0);
return antiClockwiseAngle + rot;
},
getDefaultArrowPoint: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return xypic.Frame.Point(
midPoint.x + 0.25 * curvatureEm * ncos,
midPoint.y + 0.25 * curvatureEm * nsin
);
},
toUpperCurveShape: function (context, s, cp, e, objectForDrop, objectForConnect) {
var shavedS = s.edgePoint(e.x, e.y);
var shavedE = e.edgePoint(s.x, s.y);
if (shavedS.x !== shavedE.x || shavedS.y !== shavedE.y) {
context.env.lastCurve = xypic.LastCurve.Line(shavedS, shavedE, s, e, undefined);
} else {
context.env.lastCurve = xypic.LastCurve.none;
}
},
toLowerCurveShape: function (context, s, cp, e, objectForDrop, objectForConnect) {
this._toCurveShape(context, s, cp, e, objectForDrop, objectForConnect);
},
getDefaultCurvature: function () { return -7 * AST.xypic.lineElementLength; },
hasUpperTips: false,
hasLowerTips: true
});
AST.Command.Twocell.CompositeMap.Augment({
getUpperControlPoint: function (s, e, midPoint, curvatureEm, ncos, nsin) {
var midBoxSize = this.getMidBoxSize();
return xypic.Frame.Ellipse(
midPoint.x + curvatureEm * ncos,
midPoint.y + curvatureEm * nsin,
midBoxSize, midBoxSize, midBoxSize, midBoxSize
);
},
getLowerControlPoint: function (s, e, midPoint, curvatureEm, ncos, nsin) {
var midBoxSize = this.getMidBoxSize();
return xypic.Frame.Ellipse(
midPoint.x + curvatureEm * ncos,
midPoint.y + curvatureEm * nsin,
midBoxSize, midBoxSize, midBoxSize, midBoxSize
);
},
getUpperLabelPosition: function (s, e, midPoint, curvatureEm, ncos, nsin) {
var dx = midPoint.x + curvatureEm * ncos - e.x;
var dy = midPoint.y + curvatureEm * nsin - e.y;
var l = Math.sqrt(dx * dx + dy * dy);
return xypic.Frame.Point(
e.x + 0.5 * dx,
e.y + 0.5 * dy
);
},
getLowerLabelPosition: function (s, e, midPoint, curvatureEm, ncos, nsin) {
var dx = midPoint.x + curvatureEm * ncos - s.x;
var dy = midPoint.y + curvatureEm * nsin - s.y;
var l = Math.sqrt(dx * dx + dy * dy);
return xypic.Frame.Point(
s.x + 0.5 * dx,
s.y + 0.5 * dy
);
},
getUpperLabelAngle: function (antiClockwiseAngle, s, e, midPoint, curvatureEm, ncos, nsin) {
var dx = e.x - midPoint.x + curvatureEm * ncos;
var dy = e.y - midPoint.y + curvatureEm * nsin;
var angle = Math.atan2(dy, dx);
var rot = (curvatureEm < 0? Math.PI : 0);
return angle + Math.PI / 2 + rot;
},
getLowerLabelAngle: function (antiClockwiseAngle, s, e, midPoint, curvatureEm, ncos, nsin) {
var dx = midPoint.x + curvatureEm * ncos - s.x;
var dy = midPoint.y + curvatureEm * nsin - s.y;
var angle = Math.atan2(dy, dx);
var rot = (curvatureEm < 0? Math.PI : 0);
return angle + Math.PI / 2 + rot;
},
getDefaultArrowPoint: function (s, e, midPoint, curvatureEm, ncos, nsin) {
return midPoint;
},
toUpperCurveShape: function (context, s, cp, e, objectForDrop, objectForConnect) {
var env = context.env;
var start = s;
var end = cp;
var shavedS = start.edgePoint(end.x, end.y);
var shavedE = end.edgePoint(start.x, start.y);
var p = env.p;
var c = env.c;
env.p = start;
env.c = end;
xypic.Curve.Line(shavedS, shavedE).toShape(context, undefined, "-", "");
env.p = p;
env.c = c;
},
toLowerCurveShape: function (context, s, cp, e, objectForDrop, objectForConnect) {
var env = context.env;
var start = cp;
var end = e;
var shavedS = start.edgePoint(end.x, end.y);
var shavedE = end.edgePoint(start.x, start.y);
var p = env.p;
var c = env.c;
env.p = start;
env.c = end;
xypic.Curve.Line(shavedS, shavedE).toShape(context, undefined, "-", "");
env.p = p;
env.c = c;
},
getMidBoxSize: function () { return 0.5 * AST.xypic.lineElementLength; },
getDefaultCurvature: function () { return 3.5 * AST.xypic.lineElementLength; },
hasUpperTips: true,
hasLowerTips: true
});
AST.Command.Twocell.Switch.UpperLabel.Augment({
setup: function (context) {
var env = context.env;
env.twocellUpperLabel = FP.Option.Some(this);
},
toShape: function (context, curveMidPos, ncos, nsin, tangle) {
this.label.toShape(context, curveMidPos, ncos, nsin, tangle);
}
});
AST.Command.Twocell.Switch.LowerLabel.Augment({
setup: function (context) {
var env = context.env;
env.twocellLowerLabel = FP.Option.Some(this);
},
toShape: function (context, curveMidPos, ncos, nsin, tangle) {
this.label.toShape(context, curveMidPos, ncos, nsin, tangle);
}
});
AST.Command.Twocell.Switch.SetCurvature.Augment({
setup: function (context) {
var env = context.env;
if (this.nudge.isOmit) {
env.twocellShouldDrawCurve = false;
} else {
env.twocellCurvatureEm = FP.Option.Some(this.nudge.number * AST.xypic.lineElementLength);
}
}
});
AST.Command.Twocell.Switch.DoNotSetCurvedArrows.Augment({
setup: function (context) {
var env = context.env;
env.twocellShouldDrawCurve = false;
}
});
AST.Command.Twocell.Switch.PlaceModMapObject.Augment({
setup: function (context) {
var env = context.env;
env.twocellShouldDrawModMap = true;
}
});
AST.Command.Twocell.Switch.ChangeHeadTailObject.Augment({
setup: function (context) {
var env = context.env;
switch (this.what) {
case '`':
env.twocelltail = this.object;
break;
case "'":
env.twocellhead = this.object;
break;
}
}
});
AST.Command.Twocell.Switch.ChangeCurveObject.Augment({
setup: function (context) {
var env = context.env;
switch (this.what) {
case '':
env.twocellUpperCurveObjectSpacer = this.spacer;
env.twocellUpperCurveObject = this.maybeObject;
env.twocellLowerCurveObjectSpacer = this.spacer;
env.twocellLowerCurveObject = this.maybeObject;
break;
case '^':
env.twocellUpperCurveObjectSpacer = this.spacer;
env.twocellUpperCurveObject = this.maybeObject;
break;
case '_':
env.twocellLowerCurveObjectSpacer = this.spacer;
env.twocellLowerCurveObject = this.maybeObject;
break;
}
}
});
AST.Command.Twocell.Label.Augment({
toShape: function (context, curveMidPos, ncos, nsin, tangle) {
var maybeNudge = this.maybeNudge;
var offset;
if (maybeNudge.isDefined) {
var nudge = maybeNudge.get;
if (nudge.isOmit) {
return;
} else {
offset = nudge.number * AST.xypic.lineElementLength;
}
} else {
offset = this.getDefaultLabelOffset();
}
var env = context.env;
var c = env.c;
env.c = xypic.Frame.Point(
curveMidPos.x + offset * ncos,
curveMidPos.y + offset * nsin
);
var labelObject = this.labelObject;
labelObject.toDropShape(context);
env.c = c;
},
getDefaultLabelOffset: function () { return AST.xypic.lineElementLength; }
});
AST.Command.Twocell.Nudge.Number.Augment({
isOmit: false
});
AST.Command.Twocell.Nudge.Omit.Augment({
isOmit: true
});
AST.Command.Twocell.Arrow.Augment({
toTipsShape: function (context, reversed, doubleHeaded) {
var env = context.env;
var lastCurve = env.lastCurve;
var c = env.c;
var angle = env.angle;
var rot = (reversed? Math.PI : 0);
var t = lastCurve.tOfPlace(true, true, (reversed? 0 : 1), 0);
env.c = lastCurve.position(t);
env.angle = lastCurve.angle(t) + rot;
env.twocellhead.toDropShape(context);
var t = lastCurve.tOfPlace(true, true, (reversed? 1 : 0), 0);
env.c = lastCurve.position(t);
env.angle = lastCurve.angle(t) + rot;
if (doubleHeaded) {
env.twocellhead.toDropShape(context);
} else {
env.twocelltail.toDropShape(context);
}
if (env.twocellShouldDrawModMap) {
var t = lastCurve.tOfPlace(false, false, 0.5, 0);
env.c = lastCurve.position(t);
env.angle = lastCurve.angle(t) + rot;
env.twocellmodmapobject.toDropShape(context);
}
env.c = c;
env.angle = angle;
}
});
AST.Command.Twocell.Arrow.WithOrientation.Augment({
toUpperTipsShape: function (context) {
switch (this.tok) {
case '':
case '^':
case '_':
case '=':
case '\\omit':
case "'":
this.toTipsShape(context, false, false);
break;
case '`':
this.toTipsShape(context, true, false);
break;
case '"':
this.toTipsShape(context, false, true);
break;
case '!':
break;
}
},
toLowerTipsShape: function (context) {
switch (this.tok) {
case '':
case '^':
case '_':
case '=':
case '\\omit':
case '`':
this.toTipsShape(context, false, false);
break;
case "'":
this.toTipsShape(context, true, false);
break;
case '"':
this.toTipsShape(context, false, true);
break;
case '!':
break;
}
},
toArrowShape: function(context, labelOrigin) {
var env = context.env;
var c = env.c;
switch (this.tok) {
case '^':
var angle = env.angle;
env.angle = angle + Math.PI;
env.twocellarrowobject.toDropShape(context);
env.c = xypic.Frame.Point(
c.x + AST.xypic.lineElementLength * Math.cos(angle - Math.PI / 2),
c.y + AST.xypic.lineElementLength * Math.sin(angle - Math.PI / 2)
);
this.labelObject.toDropShape(context);
env.angle = angle;
break;
case '':
case '_':
var angle = env.angle;
env.twocellarrowobject.toDropShape(context);
env.c = xypic.Frame.Point(
c.x + AST.xypic.lineElementLength * Math.cos(angle + Math.PI / 2),
c.y + AST.xypic.lineElementLength * Math.sin(angle + Math.PI / 2)
);
this.labelObject.toDropShape(context);
break;
case '=':
var angle = env.angle;
var shape = xypic.Shape.TwocellEqualityArrowheadShape(env.c, env.angle);
context.appendShapeToFront(shape);
env.c = xypic.Frame.Point(
c.x + AST.xypic.lineElementLength * Math.cos(angle + Math.PI / 2),
c.y + AST.xypic.lineElementLength * Math.sin(angle + Math.PI / 2)
);
this.labelObject.toDropShape(context);
break;
default:
this.labelObject.toDropShape(context);
break;
}
env.c = c;
}
});
AST.Command.Twocell.Arrow.WithPosition.Augment({
toUpperTipsShape: function (context) {
this.toTipsShape(context, false, false);
},
toLowerTipsShape: function (context) {
this.toTipsShape(context, false, false);
},
toArrowShape: function(context, labelOrigin) {
var env = context.env;
var c = env.c;
var angle = env.angle;
var arrowPos;
var nudge = this.nudge;
if (nudge.isOmit) {
arrowPos = c;
} else {
var offset = nudge.number * AST.xypic.lineElementLength;
arrowPos = xypic.Frame.Point(
labelOrigin.x + offset * Math.cos(angle),
labelOrigin.y + offset * Math.sin(angle)
);
}
env.c = arrowPos;
env.twocellarrowobject.toDropShape(context);
if (!nudge.isOmit) {
env.c = xypic.Frame.Point(
arrowPos.x + AST.xypic.lineElementLength * Math.cos(angle + Math.PI / 2),
arrowPos.y + AST.xypic.lineElementLength * Math.sin(angle + Math.PI / 2)
);
this.labelObject.toDropShape(context);
}
env.c = c;
}
});
AST.Pos.Xyimport.TeXCommand.Augment({
toShape: function (context) {
var origEnv = context.env;
if (origEnv.c === undefined) {
return xypic.Shape.none;
}
var subEnv = origEnv.duplicate();
var subcontext = xypic.DrawingContext(xypic.Shape.none, subEnv);
var shape = this.graphics.toDropShape(subcontext);
var xyWidth = this.width;
var xyHeight = this.height;
if (xyWidth === 0 || xyHeight === 0) {
throw xypic.ExecutionError("the 'width' and 'height' attributes of the \\xyimport should be non-zero.");
}
var c = subEnv.c;
var imageWidth = c.l + c.r;
var imageHeight = c.u + c.d;
if (imageWidth === 0 || imageHeight === 0) {
throw xypic.ExecutionError("the width and height of the graphics to import should be non-zero.");
}
var xOffset = this.xOffset;
var yOffset = this.yOffset;
origEnv.c = c.toRect({
u:imageHeight / xyHeight * (xyHeight - yOffset),
d:imageHeight / xyHeight * yOffset,
l:imageWidth / xyWidth * xOffset,
r:imageWidth / xyWidth * (xyWidth - xOffset)
});
origEnv.setXBase(imageWidth / xyWidth, 0);
origEnv.setYBase(0, imageHeight / xyHeight);
var dx = c.l - origEnv.c.l;
var dy = c.d - origEnv.c.d;
var shape = xypic.Shape.TranslateShape(dx, dy, subcontext.shape);
context.appendShapeToFront(shape);
}
});
AST.Pos.Xyimport.Graphics.Augment({
toShape: function (context) {
var origEnv = context.env;
if (origEnv.c === undefined) {
return xypic.Shape.none;
}
var subEnv = origEnv.duplicate();
var subcontext = xypic.DrawingContext(xypic.Shape.none, subEnv);
var xyWidth = this.width;
var xyHeight = this.height;
if (xyWidth === 0 || xyHeight === 0) {
throw xypic.ExecutionError("the 'width' and 'height' attributes of the \\xyimport should be non-zero.");
}
var graphics = this.graphics;
graphics.setup(subcontext);
if (!subEnv.includegraphicsWidth.isDefined || !subEnv.includegraphicsHeight.isDefined) {
throw xypic.ExecutionError("the 'width' and 'height' attributes of the \\includegraphics are required.");
}
var imageWidth = subEnv.includegraphicsWidth.get;
var imageHeight = subEnv.includegraphicsHeight.get;
if (imageWidth === 0 || imageHeight === 0) {
throw xypic.ExecutionError("the 'width' and 'height' attributes of the \\includegraphics should be non-zero.");
}
var xOffset = this.xOffset;
var yOffset = this.yOffset;
origEnv.c = subEnv.c.toRect({
u:imageHeight / xyHeight * (xyHeight - yOffset),
d:imageHeight / xyHeight * yOffset,
l:imageWidth / xyWidth * xOffset,
r:imageWidth / xyWidth * (xyWidth - xOffset)
});
origEnv.setXBase(imageWidth / xyWidth, 0);
origEnv.setYBase(0, imageHeight / xyHeight);
var imageShape = xypic.Shape.ImageShape(origEnv.c, graphics.filepath);
context.appendShapeToFront(imageShape);
}
});
AST.Command.Includegraphics.Augment({
setup: function (context) {
var env = context.env;
env.includegraphicsWidth = FP.Option.empty;
env.includegraphicsHeight = FP.Option.empty;
this.attributeList.foreach(function (attr) {
attr.setup(context);
});
}
});
AST.Command.Includegraphics.Attr.Width.Augment({
setup: function (context) {
var env = context.env;
env.includegraphicsWidth = FP.Option.Some(xypic.length2em(this.dimen));
}
});
AST.Command.Includegraphics.Attr.Height.Augment({
setup: function (context) {
var env = context.env;
env.includegraphicsHeight = FP.Option.Some(xypic.length2em(this.dimen));
}
});
MathJax.Hub.Startup.signal.Post("Device-Independent Xy-pic Ready");
});
MathJax.Hub.Register.StartupHook("HTML-CSS Xy-pic Require",function () {
var FP = MathJax.Extension.fp;
var MML = MathJax.ElementJax.mml;
var HTMLCSS = MathJax.OutputJax["HTML-CSS"];
var HUB = MathJax.Hub;
var xypic = MathJax.Extension.xypic;
var AST = xypic.AST;
var SVGNS = "http://www.w3.org/2000/svg";
var XHTMLNS = "http://www.w3.org/1999/xhtml";
var XLINKNS = "http://www.w3.org/1999/xlink";
var setupHTMLCSSMeasure = function () {
xypic.length2em = function (len) { return HTMLCSS.length2em(len); }
xypic.oneem = xypic.length2em("1em");
xypic.em2length = function (len) { return (len / xypic.oneem) + "em"; }
xypic.Em = function (x) { return HTMLCSS.Em(x); }
xypic.em = HTMLCSS.em;
xypic.em2px = function (n) { return Math.round(n * HTMLCSS.em * 100) / 100; }
xypic.axis_height = HTMLCSS.TeX.axis_height;
AST.xypic.strokeWidth = xypic.length2em("0.04em");
AST.xypic.thickness = xypic.length2em("0.15em");
AST.xypic.jot = xypic.length2em("3pt");
AST.xypic.objectmargin = xypic.length2em("3pt");
AST.xypic.objectwidth = xypic.length2em("0pt");
AST.xypic.objectheight = xypic.length2em("0pt");
AST.xypic.labelmargin = xypic.length2em("2.5pt");
AST.xypic.turnradius = xypic.length2em("10pt");
AST.xypic.lineElementLength = xypic.length2em("5pt");
AST.xypic.axisHeightLength = xypic.axis_height * xypic.length2em("10pt");
AST.xypic.dottedDasharray = "" + xypic.oneem + " " + xypic.em2px(AST.xypic.thickness);
};
AST.xypic.Augment({
toHTML: function (span) {
if (!xypic.useSVG) {
return span;
}
setupHTMLCSSMeasure();
// HTML-CSS Text Objects
var textObjects = [];
var p = xypic.length2em("0.2em");
var t = AST.xypic.strokeWidth;
span = this.HTMLcreateSpan(span);
var svgStack = HTMLCSS.createStack(span);
xypic.Shape.TextShape.Augment({
_draw: function (svg, test) {
var math = this.math;
var span, stack, base;
math.setTeXclass();
// padding
var p = xypic.length2em("0.1em");
var mathSpan = HTMLCSS.Element("span", {
className:"MathJax",
style:{ "text-align":"center", "role":"textbox", "aria-readonly":"true", "position":"absolute", color:svg.getCurrentColor() /*, "border":"0.1px dashed" */ }
});
svgStack.appendChild(mathSpan);
// clear spanID for connecting objects.
var clearSpanId = function (mml) {
if (mml) {
if (mml.hasOwnProperty("spanID")) { delete mml.spanID; }
if (mml.data) {
for (var i = 0, n = mml.data.length; i < n; i++) {
clearSpanId(mml.data[i]);
}
}
}
}
clearSpanId(math);
var span = math.HTMLcreateSpan(mathSpan);
stack = HTMLCSS.createStack(span);
base = HTMLCSS.createBox(stack);
math.HTMLmeasureChild(0, base);
var H = base.bbox.h + p, D = base.bbox.d + p, W = base.bbox.w + 2 * p;
var frame = HTMLCSS.createFrame(stack, H + D, 0, W, 0, "none");
frame.id = "MathJax-frame-" + math.spanID + HTMLCSS.idPostfix;
// stack.style.border = "solid 0.1px pink";
// base.style.border = "solid 0.1px pink";
// frame.style.border = "solid 0.1px pink";
HTMLCSS.addBox(stack, frame);
stack.insertBefore(frame, base);
frame.style.width = xypic.em2px(W);
frame.style.height = xypic.em2px(H + D);
HTMLCSS.placeBox(frame, 0, -D, true);
HTMLCSS.placeBox(base, p, 0);
math.HTMLhandleSpace(span);
math.HTMLhandleColor(span);
var spanHeight = span.offsetHeight;
var halfHD = (H + D) / 2;
var halfW = W / 2;
var c = this.c;
this.originalBBox = { H:H, D:D, W:W };
if (!test) {
var origin = svg.getOrigin();
mathSpan.setAttribute("x", c.x - halfW - origin.x);
mathSpan.setAttribute("y", -c.y - halfHD - origin.y - stack.offsetTop / HTMLCSS.em + H);
textObjects.push(mathSpan);
/*
svg.createSVGElement("rect", {
x:xypic.em2px(c.x - halfW),
y:-xypic.em2px(c.y - (H - D) / 2),
width:xypic.em2px(W),
height:0.1,
stroke:"green", "stroke-width":0.3
});
console.log("span.top:" + span.offsetTop + ", " + (span.offsetTop / HTMLCSS.em) + "em");
console.log("span.height:" + span.offsetHeight + ", " + (span.offsetHeight / HTMLCSS.em) + "em");
console.log("stack.top:" + stack.offsetTop + ", " + (stack.offsetTop / HTMLCSS.em) + "em");
console.log("stack.height:" + stack.offsetHeight + ", " + (stack.offsetHeight / HTMLCSS.em) + "em");
console.log("frame.top:" + frame.offsetTop + ", " + (frame.offsetTop / HTMLCSS.em) + "em");
console.log("frame.height:" + frame.offsetHeight + ", " + (frame.offsetHeight / HTMLCSS.em) + "em");
console.log("base.top:" + base.offsetTop + ", " + (base.offsetTop / HTMLCSS.em) + "em");
console.log("base.height:" + base.offsetHeight + ", " + (base.offsetHeight / HTMLCSS.em) + "em");
console.log("p:" + xypic.em2px(p) + ", " + p + "em");
console.log("D:" + xypic.em2px(D) + ", " + D + "em");
console.log("H:" + xypic.em2px(H) + ", " + H + "em");
console.log("d:" + xypic.em2px(base.bbox.d) + ", " + base.bbox.d + "em");
console.log("h:" + xypic.em2px(base.bbox.h) + ", " + base.bbox.h + "em");
svg.createSVGElement("rect", {
x:xypic.em2px(c.x - halfW),
y:-xypic.em2px(c.y + halfHD),
width:xypic.em2px(W),
height:xypic.em2px(H + D),
stroke:"green", "stroke-width":0.5
});
*/
} else {
svgStack.removeChild(mathSpan);
}
return c.toRect({ u:halfHD, d:halfHD, l:halfW, r:halfW });
}
});
var bbox = { h:1, d:0, w:1, lw:0, rw:1 };
var H = bbox.h, D = bbox.d, W = bbox.w;
var frame = HTMLCSS.createFrame(svgStack, H + D, 0, W, t, "none");
frame.id = "MathJax-frame-" + this.spanID + HTMLCSS.idPostfix;
var svg;
var color = "black";
svg = xypic.Graphics.createSVG(H, D, W, t, color, {
viewBox:[0, -xypic.em2px(H + D), xypic.em2px(W), xypic.em2px(H + D)].join(" "),
overflow:"visible"
});
xypic.svgForDebug = svg;
xypic.svgForTestLayout = svg;
var scale = HTMLCSS.createBox(svgStack);
scale.appendChild(svg.svg);
var xypicData = this.cmd;
if (xypicData) {
var env = xypic.Env();
var context = xypic.DrawingContext(xypic.Shape.none, env);
xypicData.toShape(context);
var shape = context.shape;
shape.draw(svg);
var box = shape.getBoundingBox();
if (box !== undefined) {
box = xypic.Frame.Rect(
0, 0,
{
l:Math.max(0, -(box.x - box.l)),
r:Math.max(0, box.x + box.r),
u:Math.max(0, box.y + box.u),
d:Math.max(0, -(box.y - box.d))
}
);
svg.setWidth(box.l + box.r + 2 * p);
svg.setHeight(box.u + box.d + 2 * p);
svg.setAttribute("viewBox", [ xypic.em2px(box.x - box.l - p), -xypic.em2px(box.y + box.u + p), xypic.em2px(box.l + box.r + 2 * p), xypic.em2px(box.u + box.d + 2 * p) ].join(" "));
var c = textObjects.length;
for (var i = 0; i < c; i++) {
var to = textObjects[i];
var x = parseFloat(to.getAttribute("x"));
var y = parseFloat(to.getAttribute("y"));
to.style.left = "" + xypic.em2px(x + box.l + p * xypic.oneem) + "px";
to.style.top = "" + xypic.em2px(y - xypic.axis_height) + "px";
}
bbox = { h:(box.u + p), d:(box.d + p), w:(box.l + box.r + 2 * p), lw:0, rw:(box.l + box.r + 2 * p)}
span.bbox = bbox;
D = box.d + p;
W = box.l + box.r + 2 * p;
H = box.h + p;
HTMLCSS.placeBox(scale, 0, xypic.axis_height - D, true);
frame.style.width = xypic.Em(W);
frame.style.height = xypic.Em(H + D);
HTMLCSS.addBox(svgStack, frame);
HTMLCSS.placeBox(frame, W - 1, -D, true);
this.HTMLhandleSpace(span);
this.HTMLhandleColor(span);
} else {
// there is no contents
span = span.parentNode;
span.removeChild(span.firstChild);
}
} else {
// there is no contents
span = span.parentNode;
span.removeChild(span.firstChild);
}
return span;
}
});
AST.xypic.newdir.Augment({
toHTML: function (span) {
var newdir = this.cmd;
xypic.repositories.dirRepository.put(newdir.dirMain, newdir.compositeObject);
return span;
}
});
AST.xypic.includegraphics.Augment({
toHTML: function (span) {
setupHTMLCSSMeasure();
var graphics = this.cmd;
var env = xypic.Env();
var context = xypic.DrawingContext(xypic.Shape.none, env);
graphics.setup(context);
if (!env.includegraphicsWidth.isDefined || !env.includegraphicsHeight.isDefined) {
throw xypic.ExecutionError("the 'width' and 'height' attributes of the \\includegraphics are required.");
}
var imageWidth = env.includegraphicsWidth.get;
var imageHeight = env.includegraphicsHeight.get;
span = this.HTMLcreateSpan(span);
var stack = HTMLCSS.createStack(span);
var base = HTMLCSS.createBox(stack);
var img = new Image();
img.src = graphics.filepath;
img.style.width = HTMLCSS.Em(imageWidth);
img.style.height = HTMLCSS.Em(imageHeight);
base.appendChild(img);
var bbox = {h:imageHeight, d:0, w:imageWidth, rw:imageWidth, lw:0, exactW:true};
img.bbox = bbox;
var H = imageHeight, D = 0, W = imageWidth;
HTMLCSS.Measured(img);
var frame = HTMLCSS.createFrame(stack, H+D, 0, W, 0, "none");
frame.id = "MathJax-frame-" + this.spanID;
HTMLCSS.addBox(stack, frame);
stack.insertBefore(frame, base);
var T = 0, B = 0, R = 0, L = 0, dx = 0, dy = 0;
frame.style.width = HTMLCSS.Em(W-L-R);
frame.style.height = HTMLCSS.Em(H+D-T-B);
HTMLCSS.placeBox(frame, 0, dy-D, true);
HTMLCSS.placeBox(base, dx, 0);
this.HTMLhandleSpace(span);
this.HTMLhandleColor(span);
return span;
}
});
MathJax.Hub.Startup.signal.Post("HTML-CSS Xy-pic Ready");
});
MathJax.Hub.Register.StartupHook("SVG Xy-pic Require",function () {
var FP = MathJax.Extension.fp;
var MML = MathJax.ElementJax.mml;
var SVG = MathJax.OutputJax.SVG;
var BBOX = SVG.BBOX;
var HUB = MathJax.Hub;
var xypic = MathJax.Extension.xypic;
var AST = xypic.AST;
var SVGNS = "http://www.w3.org/2000/svg";
var XHTMLNS = "http://www.w3.org/1999/xhtml";
var XLINKNS = "http://www.w3.org/1999/xlink";
var memoize = xypic.memoize;
BBOX.PPATH = BBOX.Subclass({
type: "path", removeable: false,
Init: function (h,d,w,p,t,color,def) {
if (def == null) {def = {}}; def.fill = "none";
if (color) {def.stroke = color}
def["stroke-width"] = t.toFixed(2).replace(/\.?0+$/,"");
def.d = p;
this.SUPER(arguments).Init.call(this,def);
this.w = this.r = w; this.h = this.H = h+d;
this.d = this.D = this.l = 0; this.y = -d;
}
});
BBOX.XYPIC = BBOX.Subclass({
type: "g", removeable: false,
Init: function (bbox, x, y, svg) {
this.element = svg;
this.x = x;
this.y = y;
this.r = bbox.r;
this.l = bbox.l;
this.h = bbox.h;
this.d = bbox.d;
this.w = bbox.w;
this.H = bbox.h;
this.D = bbox.d;
this.scale = 1;
this.n = 1;
}
});
var setupSVGMeasure = function (mu, scale) {
xypic.length2em = function (len) { return SVG.length2em(len, mu, 1/SVG.em) * scale; }
xypic.oneem = xypic.length2em("1em");
xypic.em2length = function (len) { return (len / xypic.oneem) + "em"; }
xypic.Em = function (x) { return SVG.Em(x); }
xypic.em = SVG.em;
xypic.em2px = function (n) { return Math.round(n * SVG.em * 100) / 100; }
xypic.axis_height = SVG.TeX.axis_height;
AST.xypic.strokeWidth = xypic.length2em("0.04em");
AST.xypic.thickness = xypic.length2em("0.15em");
AST.xypic.jot = xypic.length2em("3pt");
AST.xypic.objectmargin = xypic.length2em("3pt");
AST.xypic.objectwidth = xypic.length2em("0pt");
AST.xypic.objectheight = xypic.length2em("0pt");
AST.xypic.labelmargin = xypic.length2em("2.5pt");
AST.xypic.turnradius = xypic.length2em("10pt");
AST.xypic.lineElementLength = xypic.length2em("5pt");
AST.xypic.axisHeightLength = xypic.axis_height * xypic.length2em("1em") / 1000;
AST.xypic.dottedDasharray = "" + xypic.oneem + " " + xypic.em2px(AST.xypic.thickness);
};
AST.xypic.Augment({
toSVG: function (HW, DD) {
this.SVGgetStyles();
var svg = this.SVG();
this.SVGhandleSpace(svg);
var mu = this.SVGgetMu(svg);
var scale = this.SVGgetScale();
setupSVGMeasure(mu, scale);
var p = xypic.length2em("0.2em");
var t = AST.xypic.strokeWidth;
var jaxSVG = svg;
xypic.Shape.TextShape.Augment({
_draw: function (svg, test) {
var math = this.math;
// padding
var p = xypic.length2em("0.1em");
var c = this.c;
math.setTeXclass();
math.SVGgetStyles();
math.SVGhandleSpace(jaxSVG);
var box = math.data[0].toSVG();
var x = c.x - box.w / 2;
var y = c.y - (box.h + box.d) / 2 + box.d + xypic.axis_height;
var H = box.h + p;
var D = box.d + p;
var W = box.w + 2 * p;
this.originalBBox = { H:H, D:D, W:W };
var halfHD = (H + D) / 2;
var halfW = W / 2;
if (!test) {
var origin = svg.getOrigin();
var color = svg.getCurrentColor();
var localSVG = BBOX.G({ stroke:color, fill:color, "stroke-thickness":0, transform:"scale(" + SVG.em + ") matrix(1 0 0 -1 0 0) translate(" + xypic.em2px(x / SVG.em) + ", " + xypic.em2px((c.y - (H - D) / 2) / SVG.em) + ")" }).With({removeable: false});
localSVG.Add(box, 0, 0, true, true);
localSVG.ic = box.ic;
localSVG.Clean();
math.SVGhandleColor(localSVG);
math.SVGsaveData(localSVG);
svg.appendChild(localSVG.element);
}
return c.toRect({ u:halfHD, d:halfHD, l:halfW, r:halfW });
}
});
var bbox = { h:xypic.oneem, d:0, w:xypic.oneem, lw:0, rw:xypic.oneem };
var H = bbox.h, D = bbox.d, W = bbox.w;
var color = "black";
var xypicSVG = xypic.Graphics.createSVG(H, D, W, t, color, {
viewBox:[0, -xypic.em2px(H + D), xypic.em2px(W), xypic.em2px(H + D)].join(" "),
overflow:"visible"
});
xypic.svgForDebug = xypicSVG;
xypic.svgForTestLayout = xypicSVG;
var xypicData = this.cmd;
if (xypicData) {
var env = xypic.Env();
var context = xypic.DrawingContext(xypic.Shape.none, env);
xypicData.toShape(context);
var shape = context.shape;
shape.draw(xypicSVG);
var shapeBBox = shape.getBoundingBox();
if (shapeBBox !== undefined) {
var box = xypic.Frame.Rect(
0, 0,
{
l:Math.max(0, -(shapeBBox.x - shapeBBox.l)),
r:Math.max(0, shapeBBox.x + shapeBBox.r),
u:Math.max(0, shapeBBox.y + shapeBBox.u),
d:Math.max(0, -(shapeBBox.y - shapeBBox.d))
}
);
bbox = { h:(box.u + p + xypic.axis_height), d:(box.d + p - xypic.axis_height), w:(box.r + box.l + 2*p), l:(- box.l - p), r:(box.r + p)}
this.SVGhandleSpace(svg);
var xypicBBOX = BBOX.XYPIC(bbox, 0, 0, xypicSVG.drawArea);
xypicBBOX.element.setAttribute("transform", "scale(" + (1 / SVG.em) + ") matrix(1 0 0 -1 0 0) translate(0," + xypic.em2px(- xypic.axis_height) + ")");
svg.Add(xypicBBOX);
// FIXME
svg.x += box.l + p;
svg.w -= box.l + p;
this.SVGhandleColor(svg);
this.SVGsaveData(svg);
}
}
return svg;
}
});
AST.xypic.newdir.Augment({
toSVG: function () {
var newdir = this.cmd;
xypic.repositories.dirRepository.put(newdir.dirMain, newdir.compositeObject);
return this.SVG();
}
});
AST.xypic.includegraphics.Augment({
toSVG: function (HW, DD) {
this.SVGgetStyles();
var svg = this.SVG();
this.SVGhandleSpace(svg);
var mu = this.SVGgetMu(svg);
var scale = this.SVGgetScale();
setupSVGMeasure(mu, scale);
var t = AST.xypic.strokeWidth;
var bbox = { h:xypic.oneem, d:0, w:xypic.oneem, lw:0, rw:xypic.oneem };
var H = bbox.h, D = bbox.d, W = bbox.w;
var color = "black";
var xypicSVG = xypic.Graphics.createSVG(H, D, W, t, color, {
viewBox:[0, -xypic.em2px(H + D), xypic.em2px(W), xypic.em2px(H + D)].join(" "),
overflow:"visible"
});
xypic.svgForDebug = xypicSVG;
xypic.svgForTestLayout = xypicSVG;
var env = xypic.Env();
var context = xypic.DrawingContext(xypic.Shape.none, env);
var graphics = this.cmd;
graphics.setup(context);
if (!env.includegraphicsWidth.isDefined || !env.includegraphicsHeight.isDefined) {
throw xypic.ExecutionError("the 'width' and 'height' attributes of the \\includegraphics are required.");
}
var imageWidth = env.includegraphicsWidth.get;
var imageHeight = env.includegraphicsHeight.get;
var c = env.c;
c = c.toRect({ u:imageHeight - xypic.axis_height, d:xypic.axis_height, l:0, r:imageWidth });
var imageShape = xypic.Shape.ImageShape(c, graphics.filepath);
imageShape.draw(xypicSVG);
var shapeBBox = imageShape.getBoundingBox();
var box = xypic.Frame.Rect(
0, 0,
{
l:Math.max(0, -(shapeBBox.x - shapeBBox.l)),
r:Math.max(0, shapeBBox.x + shapeBBox.r),
u:Math.max(0, shapeBBox.y + shapeBBox.u),
d:Math.max(0, -(shapeBBox.y - shapeBBox.d))
}
);
var bbox = { h:(box.u + xypic.axis_height), d:(box.d - xypic.axis_height), w:(box.r + box.l), l:(- box.l), r:(box.r)}
this.SVGhandleSpace(svg);
var xypicBBOX = BBOX.XYPIC(bbox, 0, 0, xypicSVG.drawArea);
xypicBBOX.element.setAttribute("transform", "scale(" + (1 / SVG.em) + ") matrix(1 0 0 -1 0 0) translate(0," + xypic.em2px(- xypic.axis_height) + ")");
svg.Add(xypicBBOX);
svg.x += box.l;
svg.w -= box.l;
this.SVGhandleColor(svg);
this.SVGsaveData(svg);
return svg;
}
});
MathJax.Hub.Startup.signal.Post("SVG Xy-pic Ready");
});
MathJax.Ajax.loadComplete("[MathJax]/extensions/TeX/xypic.js");