@sutton-signwriting/font-ttf
Version:
a javascript package for the web components and browser that generates SVG and PNG images for individual symbols and complete signs
1,581 lines (1,522 loc) • 144 kB
JavaScript
/**
* Sutton SignWriting TrueType Font Module v1.5.2 (https://github.com/sutton-signwriting/font-ttf)
* Author: Steve Slevinski (https://SteveSlevinski.me)
* index.mjs is released under the MIT License.
*/
/**
* Function that appends font-face CSS for the Sutton SignWriting fonts for system installed fonts, relative directory fonts, or content delivery network
* @function font.cssAppend
* @param {string} dir - an optional relative directory for font location
* @example
* font.cssAppend('./font/')
*/
const cssAppend = function (dir = '') {
const id = "SgnwFontCss";
if (!document.getElementById(id)) {
const style = document.createElement('style');
style.setAttribute("id", "SgnwFontCss");
style.appendChild(document.createTextNode(`
@font-face {
font-family: "SuttonSignWritingLine";
src:
local('SuttonSignWritingLine'),
${dir ? `url('${dir}SuttonSignWritingLine.ttf') format('truetype'),` : ""}
url('https://cdn.jsdelivr.net/npm/@sutton-signwriting/font-ttf@1.0.0/font/SuttonSignWritingLine.ttf') format('truetype');
}
@font-face {
font-family: "SuttonSignWritingFill";
src:
local('SuttonSignWritingFill'),
${dir ? `url('${dir}SuttonSignWritingFill.ttf') format('truetype'),` : ""}
url('https://cdn.jsdelivr.net/npm/@sutton-signwriting/font-ttf@1.0.0/font/SuttonSignWritingFill.ttf') format('truetype');
}
@font-face {
font-family: "SuttonSignWritingOneD";
src:
local('SuttonSignWritingOneD'),
${dir ? `url('${dir}SuttonSignWritingOneD.ttf') format('truetype'),` : ""}
url('https://cdn.jsdelivr.net/npm/@sutton-signwriting/font-ttf@1.0.0/font/SuttonSignWritingOneD.ttf') format('truetype');
}
`));
document.head.appendChild(style);
}
};
let sizes = {};
const zoom = 2;
const bound = 76 * zoom;
let context;
/**
* Function that returns the size of a symbol using an id
* @function font.symbolSize
* @param {number} id - a 16-bit number of a symbol
* @returns {number[]} width and height of symbol
* @example
* font.symbolSize(1)
*
* return [15,30]
*/
const symbolSize$2 = function (id) {
if (id in sizes) {
return [...sizes[id]];
}
if (!context) {
const canvaser = document.createElement("canvas");
canvaser.width = bound;
canvaser.height = bound;
context = canvaser.getContext("2d", {
willReadFrequently: true
});
}
context.clearRect(0, 0, bound, bound);
context.font = 30 * zoom + "px 'SuttonSignWritingLine'";
context.fillText(String.fromCodePoint(id + 0xF0000), 0, 0);
const imgData = context.getImageData(0, 0, bound, bound).data;
let w, h, i, s;
wloop: for (w = bound - 1; w >= 0; w--) {
for (h = 0; h < bound; h += 1) {
for (s = 0; s < 4; s += 1) {
i = w * 4 + h * 4 * bound + s;
if (imgData[i]) {
break wloop;
}
}
}
}
var width = w;
hloop: for (h = bound - 1; h >= 0; h--) {
for (w = 0; w < width; w += 1) {
for (s = 0; s < 4; s += 1) {
i = w * 4 + h * 4 * bound + s;
if (imgData[i]) {
break hloop;
}
}
}
}
var height = h + 1;
width = Math.ceil(width / zoom);
height = Math.ceil(height / zoom);
// Rounding error in chrome. Manual fixes.
if (14394 == id) {
width = 19;
}
if ([10468, 10480, 10496, 10512, 10500, 10532, 10548, 10862, 10878, 10894, 11058, 11074, 11476, 11488, 11492, 11504, 11508, 11520, 10516, 10910, 10926, 11042, 11082, 10942].includes(id)) {
width = 20;
}
if (31921 == id) {
width = 22;
}
if (38460 == id) {
width = 23;
}
if ([20164, 20212].includes(id)) {
width = 25;
}
if (31894 == id) {
width = 28;
}
if (46698 == id) {
width = 29;
}
if (29606 == id) {
width = 30;
}
if (44855 == id) {
width = 40;
}
if (32667 == id) {
width = 50;
}
if ([11088, 11474, 11490, 11506].includes(id)) {
height = 20;
}
if (6285 == id) {
height = 21;
}
if (40804 == id) {
height = 31;
}
if (41475 == id) {
height = 36;
}
// Error in chrome. Manual fix.
// if (width==0 && height==0) {
if (width == 0 && height == 0) {
const sizefix = {
9: [15, 30],
10: [21, 30],
11: [30, 15],
12: [30, 21],
13: [15, 30],
14: [21, 30]
};
if (id in sizefix) {
width = sizefix[id][0];
height = sizefix[id][1];
}
}
if (width == 0 && height == 0) {
return undefined;
}
sizes[id] = [width, height];
return [width, height];
};
/**
* Function that returns a plane 15 character for a symbol line using an id
* @function font.symbolLine
* @param {number} id - a 16-bit number of a symbol
* @returns {string} character for symbol line
* @example
* font.symbolLine(1)
*
* return ''
*/
const symbolLine$2 = function (id) {
return String.fromCodePoint(id + 0xF0000);
};
/**
* Function that returns a plane 16 character for a symbol fill using an id
* @function font.symbolFill
* @param {number} id - a 16-bit number of a symbol
* @returns {string} character for symbol fill
* @example
* font.symbolFill(1)
*
* return ''
*/
const symbolFill$2 = function (id) {
return String.fromCodePoint(id + 0x100000);
};
/**
* Function that creates two text elements for a symbol using an id
* @function font.symbolText
* @param {number} id - a 16-bit number of a symbol
* @returns {string} SVG segment for line and fill
* @example
* font.symbolText(1)
*
* return ` <text class="sym-fill" fill="white" style="pointer-events:none;font-family:'SuttonSignWritingFill';font-size:30px;"></text>
* <text class="sym-line" fill="black" style="pointer-events:none;font-family:'SuttonSignWritingLine';font-size:30px;"></text>`
*/
const symbolText$2 = function (id) {
return ` <text class="sym-fill" fill="white" style="pointer-events:none;font-family:'SuttonSignWritingFill';font-size:30px;">${symbolFill$2(id)}</text>
<text class="sym-line" fill="black" style="pointer-events:none;font-family:'SuttonSignWritingLine';font-size:30px;">${symbolLine$2(id)}</text>`;
};
/**
* Function that executes a callback function once the Sutton SignWriiting Line and Fill fonts are ready to use
* @function font.cssLoaded
* @param {function} callback - a callback function to execute when fonts are ready
* @example
* const callback = () => {
* console.log("Sutton SignWriting Line and Fill fonts are ready to use")
* }
*
* font.cssLoaded( callback )
*/
const cssLoaded = function (callback) {
let lineReady = false;
let fillReady = false;
cssLoadedLine(() => {
lineReady = true;
});
cssLoadedFill(() => {
fillReady = true;
});
const cssCheck = setInterval(function () {
if (lineReady && fillReady) {
clearInterval(cssCheck);
callback();
}
}, 100);
};
/**
* Function that executes a callback function once the Sutton SignWriiting Line font is ready to use
* @function font.cssLoadedLine
* @param {function} callback - a callback function to execute when line font is ready
* @example
* const callback = () => {
* console.log("Sutton SignWriting Line font is ready to use")
* }
*
* font.cssLoadedLine( callback )
*/
const cssLoadedLine = function (callback) {
if (!symbolSize$2(1)) {
const cssCheck = setInterval(function () {
if (symbolSize$2(1)) {
clearInterval(cssCheck);
callback();
}
}, 100);
} else {
callback();
}
};
/**
* Function that executes a callback function once the Sutton SignWriiting Fill font is ready to use
* @function font.cssLoadedFill
* @param {function} callback - a callback function to execute when fill font is ready
* @example
* const callback = () => {
* console.log("Sutton SignWriting Fill font is ready to use")
* }
*
* font.cssLoadedFill( callback )
*/
const cssLoadedFill = function (callback) {
const fillReady = function () {
const canvaser = document.createElement("canvas");
canvaser.width = 15;
canvaser.height = 30;
const context = canvaser.getContext("2d");
context.font = "30px 'SuttonSignWritingFill'";
context.fillText(symbolFill$2(1), 0, 0);
const imgData = context.getImageData(0, 0, 15, 30).data;
return !imgData.every(item => item === 0);
};
if (!fillReady()) {
const cssCheck = setInterval(function () {
if (fillReady()) {
clearInterval(cssCheck);
callback();
}
}, 100);
} else {
callback();
}
};
/** The font module contains functions for handing the TrueType fonts.
* @module font
*/
var index$2 = /*#__PURE__*/Object.freeze({
__proto__: null,
cssAppend: cssAppend,
cssLoaded: cssLoaded,
cssLoadedLine: cssLoadedLine,
cssLoadedFill: cssLoadedFill,
symbolSize: symbolSize$2,
symbolLine: symbolLine$2,
symbolFill: symbolFill$2,
symbolText: symbolText$2
});
/**
* Sutton SignWriting Core Module v1.5.11 (https://github.com/sutton-signwriting/core)
* Author: Steve Slevinski (https://SteveSlevinski.me)
* convert.mjs is released under the MIT License.
*/
/**
* Function to convert a number to an SWU number character
* @function convert.num2swu
* @param {number} num - Integer value for number
* @returns {string} SWU number character
* @example
* convert.num2swu(500)
*
* return '𝤆'
*/
const num2swu$1 = num => String.fromCodePoint(0x1D80C + parseInt(num) - 250);
/**
* Function to convert an array of x,y integers to two SWU number characters
* @function convert.coord2swu
* @param {number[]} coord - Array of x,y integers
* @returns {string} Two SWU number character
* @example
* convert.coord2swu([500, 500])
*
* return '𝤆𝤆'
*/
const coord2swu$1 = coord => coord.map(num => num2swu$1(num)).join('');
/**
* Function to convert an SWU symbol character to a code point on plane 4
* @function convert.swu2code
* @param {string} swuSym - SWU symbol character
* @returns {number} Code point on plane 4
* @example
* convert.swu2code('')
*
* return 0x40001
*/
const swu2code$1 = swuSym => parseInt(swuSym.codePointAt(0));
/**
* Function to convert a code point on plane 4 to an SWU symbol character
* @function convert.code2swu
* @param {number} code - Code point on plane 4
* @returns {string} SWU symbol character
* @example
* convert.code2swu(0x40001)
*
* return ''
*/
const code2swu = code => String.fromCodePoint(code);
/**
* Function to convert an SWU symbol character to a 16-bit ID
* @function convert.swu2id
* @param {string} swuSym - SWU symbol character
* @returns {number} 16-bit ID
* @example
* convert.swu2id('')
*
* return 1
*/
const swu2id = swuSym => swu2code$1(swuSym) - 0x40000;
/**
* Function to convert an FSW symbol key to a 16-bit ID
* @function convert.key2id
* @param {string} key - FSW symbol key
* @returns {number} 16-bit ID
* @example
* convert.key2id('S10000')
*
* return 1
*/
const key2id = key => 1 + (parseInt(key.slice(1, 4), 16) - 256) * 96 + parseInt(key.slice(4, 5), 16) * 16 + parseInt(key.slice(5, 6), 16);
/**
* Function to convert an SWU symbol character to an FSW symbol key
* @function convert.swu2key
* @param {string} swuSym - SWU symbol character
* @returns {string} FSW symbol key
* @example
* convert.swu2key('')
*
* return 'S10000'
*/
const swu2key = swuSym => {
const symcode = swu2code$1(swuSym) - 0x40001;
const base = parseInt(symcode / 96);
const fill = parseInt((symcode - base * 96) / 16);
const rotation = parseInt(symcode - base * 96 - fill * 16);
return 'S' + (base + 0x100).toString(16) + fill.toString(16) + rotation.toString(16);
};
/**
* Function to convert an FSW symbol key to an SWU symbol character
* @function convert.key2swu
* @param {string} key - FSW symbol key
* @returns {string} SWU symbol character
* @example
* convert.key2swu('S10000')
*
* return ''
*/
const key2swu = key => code2swu(0x40001 + (parseInt(key.slice(1, 4), 16) - 256) * 96 + parseInt(key.slice(4, 5), 16) * 16 + parseInt(key.slice(5, 6), 16));
/* support ongoing development */
/* https://patreon.com/signwriting */
/* https://donate.sutton-signwriting.io */
/**
* Sutton SignWriting Core Module v1.5.11 (https://github.com/sutton-signwriting/core)
* Author: Steve Slevinski (https://SteveSlevinski.me)
* fsw.mjs is released under the MIT License.
*/
/**
* Object of regular expressions for FSW strings
*
* @alias fsw.re
* @property {string} symbol - regular expressions for a symbol
* @property {string} coord - regular expressions for a coordinate
* @property {string} sort - regular expressions for the sorting marker
* @property {string} box - regular expression for a signbox marker
* @property {string} prefix - regular expression for a sorting marker followed by one or more symbols
* @property {string} spatial - regular expression for a symbol followed by a coordinate
* @property {string} signbox - regular expression for a signbox marker, max coordinate and zero or more spatial symbols
* @property {string} sign - regular expression for an optional prefix followed by a signbox
* @property {string} sortable - regular expression for a mandatory prefix followed by a signbox
*/
let re$1$1 = {
'symbol': 'S[123][0-9a-f]{2}[0-5][0-9a-f]',
'coord': '[0-9]{3}x[0-9]{3}',
'sort': 'A',
'box': '[BLMR]'
};
re$1$1.prefix = `(?:${re$1$1.sort}(?:${re$1$1.symbol})+)`;
re$1$1.spatial = `${re$1$1.symbol}${re$1$1.coord}`;
re$1$1.signbox = `${re$1$1.box}${re$1$1.coord}(?:${re$1$1.spatial})*`;
re$1$1.sign = `${re$1$1.prefix}?${re$1$1.signbox}`;
re$1$1.sortable = `${re$1$1.prefix}${re$1$1.signbox}`;
/**
* Object of regular expressions for style strings
*
* @alias style.re
* @type {object}
* @property {string} colorize - regular expression for colorize section
* @property {string} colorhex - regular expression for color hex values with 3 or 6 characters
* @property {string} colorname - regular expression for css color name
* @property {string} padding - regular expression for padding section
* @property {string} zoom - regular expression for zoom section
* @property {string} classbase - regular expression for class name definition
* @property {string} id - regular expression for id definition
* @property {string} colorbase - regular expression for color hex or color name
* @property {string} color - regular expression for single color entry
* @property {string} colors - regular expression for double color entry
* @property {string} background - regular expression for background section
* @property {string} detail - regular expression for color details for line and optional fill
* @property {string} detailsym - regular expression for color details for individual symbols
* @property {string} classes - regular expression for one or more class names
* @property {string} full - full regular expression for style string
*/
let re$3 = {
'colorize': 'C',
'colorhex': '(?:[0-9a-fA-F]{3}){1,2}',
'colorname': '[a-zA-Z]+',
'padding': 'P[0-9]{2}',
'zoom': 'Z(?:[0-9]+(?:\\.[0-9]+)?|x)',
'classbase': '-?[_a-zA-Z][_a-zA-Z0-9-]{0,100}',
'id': '[a-zA-Z][_a-zA-Z0-9-]{0,100}'
};
re$3.colorbase = `(?:${re$3.colorhex}|${re$3.colorname})`;
re$3.color = `_${re$3.colorbase}_`;
re$3.colors = `_${re$3.colorbase}(?:,${re$3.colorbase})?_`;
re$3.background = `G${re$3.color}`;
re$3.detail = `D${re$3.colors}`;
re$3.detailsym = `D[0-9]{2}${re$3.colors}`;
re$3.classes = `${re$3.classbase}(?: ${re$3.classbase})*`;
re$3.full = `-(${re$3.colorize})?(${re$3.padding})?(${re$3.background})?(${re$3.detail})?(${re$3.zoom})?(?:-((?:${re$3.detailsym})*))?(?:-(${re$3.classes})?!(?:(${re$3.id})!)?)?`;
const prefixColor$2 = color => {
const regex = new RegExp(`^${re$3.colorhex}$`);
return (regex.test(color) ? '#' : '') + color;
};
const definedProps$2 = obj => Object.fromEntries(Object.entries(obj).filter(([k, v]) => v !== undefined));
/**
* Function to parse style string to object
* @function style.parse
* @param {string} styleString - a style string
* @returns {StyleObject} elements of style string
* @example
* style.parse('-CP10G_blue_D_red,Cyan_')
*
* return {
* 'colorize': true,
* 'padding': 10,
* 'background': 'blue',
* 'detail': ['red', 'Cyan']
* }
*/
const parse$1$1 = styleString => {
const regex = `^${re$3.full}`;
const m = (typeof styleString === 'string' ? styleString.match(new RegExp(regex)) : []) || [];
return definedProps$2({
'colorize': !m[1] ? undefined : !!m[1],
'padding': !m[2] ? undefined : parseInt(m[2].slice(1)),
'background': !m[3] ? undefined : prefixColor$2(m[3].slice(2, -1)),
'detail': !m[4] ? undefined : m[4].slice(2, -1).split(',').map(prefixColor$2),
'zoom': !m[5] ? undefined : m[5] === 'Zx' ? 'x' : parseFloat(m[5].slice(1)),
'detailsym': !m[6] ? undefined : m[6].match(new RegExp(re$3.detailsym, 'g')).map(val => {
const parts = val.split('_');
const detail = parts[1].split(',').map(prefixColor$2);
return {
'index': parseInt(parts[0].slice(1)),
'detail': detail
};
}),
'classes': !m[7] ? undefined : m[7],
'id': !m[8] ? undefined : m[8]
});
};
/** The convert module contains functions to convert between Formal SignWriitng in ASCII (FSW) and SignWriting in Unicode (SWU) characters, along with other types of data.
* [Characters set definitions](https://tools.ietf.org/id/draft-slevinski-formal-signwriting-09.html#name-characters)
* @module convert
*/
/**
* Function to convert an FSW coordinate string to an array of x,y integers
* @function convert.fsw2coord
* @param {string} fswCoord - An FSW coordinate string
* @returns {number[]} Array of x,y integers
* @example
* convert.fsw2coord('500x500')
*
* return [500, 500]
*/
const fsw2coord = fswCoord => fswCoord.split('x').map(num => parseInt(num));
const parse$3 = {
/**
* Function to parse an fsw symbol with optional coordinate and style string
* @function fsw.parse.symbol
* @param {string} fswSym - an fsw symbol
* @returns {SymbolObject} elements of fsw symbol
* @example
* fsw.parse.symbol('S10000500x500-C')
*
* return {
* 'symbol': 'S10000',
* 'coord': [500, 500],
* 'style': '-C'
* }
*/
symbol: fswSym => {
const regex = `^(${re$1$1.symbol})(${re$1$1.coord})?(${re$3.full})?`;
const symbol = typeof fswSym === 'string' ? fswSym.match(new RegExp(regex)) : undefined;
return {
'symbol': symbol ? symbol[1] : undefined,
'coord': symbol && symbol[2] ? fsw2coord(symbol[2]) : undefined,
'style': symbol ? symbol[3] : undefined
};
},
/**
* Function to parse an fsw sign with style string
* @function fsw.parse.sign
* @param {string} fswSign - an fsw sign
* @returns { SignObject } elements of fsw sign
* @example
* fsw.parse.sign('AS10011S10019S2e704S2e748M525x535S2e748483x510S10011501x466S2e704510x500S10019476x475-C')
*
* return {
* sequence: ['S10011', 'S10019', 'S2e704', 'S2e748'],
* box: 'M',
* max: [525, 535],
* spatials: [
* {
* symbol: 'S2e748',
* coord: [483, 510]
* },
* {
* symbol: 'S10011',
* coord: [501, 466]
* },
* {
* symbol: 'S2e704',
* coord: [510, 500]
* },
* {
* symbol: 'S10019',
* coord: [476, 475]
* }
* ],
* style: '-C'
* }
*/
sign: fswSign => {
const regex = `^(${re$1$1.prefix})?(${re$1$1.signbox})(${re$3.full})?`;
const sign = typeof fswSign === 'string' ? fswSign.match(new RegExp(regex)) : undefined;
if (sign) {
return {
'sequence': sign[1] ? sign[1].slice(1).match(/.{6}/g) : undefined,
'box': sign[2][0],
'max': fsw2coord(sign[2].slice(1, 8)),
'spatials': sign[2].length < 9 ? undefined : sign[2].slice(8).match(/(.{13})/g).map(m => {
return {
symbol: m.slice(0, 6),
coord: [parseInt(m.slice(6, 9)), parseInt(m.slice(10, 13))]
};
}),
'style': sign[3]
};
} else {
return {};
}
},
/**
* Function to parse an fsw text
* @function fsw.parse.text
* @param {string} fswText - an fsw text
* @returns {string[]} fsw signs and punctuations
* @example
* fsw.parse.text('AS14c20S27106M518x529S14c20481x471S27106503x489 AS18701S1870aS2e734S20500M518x533S1870a489x515S18701482x490S20500508x496S2e734500x468 S38800464x496')
*
* return [
* 'AS14c20S27106M518x529S14c20481x471S27106503x489',
* 'AS18701S1870aS2e734S20500M518x533S1870a489x515S18701482x490S20500508x496S2e734500x468',
* 'S38800464x496'
* ]
*/
text: fswText => {
if (typeof fswText !== 'string') return [];
const regex = `(${re$1$1.sign}(${re$3.full})?|${re$1$1.spatial}(${re$3.full})?)`;
const matches = fswText.match(new RegExp(regex, 'g'));
return matches ? [...matches] : [];
}
};
const compose$2 = {
/**
* Function to compose an fsw symbol with optional coordinate and style string
* @function fsw.compose.symbol
* @param {SymbolObject} fswSymObject - an fsw symbol object
* @returns {string} an fsw symbol string
* @example
* fsw.compose.symbol({
* 'symbol': 'S10000',
* 'coord': [480, 480],
* 'style': '-C'
* })
*
* return 'S10000480x480-C'
*/
symbol: fswSymObject => {
if (typeof fswSymObject.symbol === 'string') {
const symbol = (fswSymObject.symbol.match(re$1$1.symbol) || [''])[0];
if (symbol) {
const x = (fswSymObject.coord && fswSymObject.coord[0] || '').toString();
const y = (fswSymObject.coord && fswSymObject.coord[1] || '').toString();
const coord = ((x + 'x' + y).match(re$1$1.coord) || [''])[0] || '';
const styleStr = typeof fswSymObject.style === 'string' && (fswSymObject.style.match(re$3.full) || [''])[0] || '';
return symbol + coord + styleStr;
}
}
return undefined;
},
/**
* Function to compose an fsw sign with style string
* @function fsw.compose.sign
* @param {SignObject} fswSignObject - an fsw symbol object
* @returns {string} an fsw sign string
* @example
* fsw.compose.sign({
* sequence: ['S10011', 'S10019', 'S2e704', 'S2e748'],
* box: 'M',
* max: [525, 535],
* spatials: [
* {
* symbol: 'S2e748',
* coord: [483, 510]
* },
* {
* symbol: 'S10011',
* coord: [501, 466]
* },
* {
* symbol: 'S2e704',
* coord: [510, 500]
* },
* {
* symbol: 'S10019',
* coord: [476, 475]
* }
* ],
* style: '-C'
* })
*
* return 'AS10011S10019S2e704S2e748M525x535S2e748483x510S10011501x466S2e704510x500S10019476x475-C'
*/
sign: fswSignObject => {
let box = typeof fswSignObject.box !== 'string' ? 'M' : (fswSignObject.box + 'M').match(re$1$1.box);
const x = (fswSignObject.max && fswSignObject.max[0] || '').toString();
const y = (fswSignObject.max && fswSignObject.max[1] || '').toString();
const max = ((x + 'x' + y).match(re$1$1.coord) || [''])[0] || '';
if (!max) return undefined;
let prefix = '';
if (fswSignObject.sequence && Array.isArray(fswSignObject.sequence)) {
prefix = fswSignObject.sequence.map(key => (key.match(re$1$1.symbol) || [''])[0]).join('');
prefix = prefix ? 'A' + prefix : '';
}
let signbox = '';
if (fswSignObject.spatials && Array.isArray(fswSignObject.spatials)) {
signbox = fswSignObject.spatials.map(spatial => {
if (typeof spatial.symbol === 'string') {
const symbol = (spatial.symbol.match(re$1$1.symbol) || [''])[0];
if (symbol) {
const x = (spatial.coord && spatial.coord[0] || '').toString();
const y = (spatial.coord && spatial.coord[1] || '').toString();
const coord = ((x + 'x' + y).match(re$1$1.coord) || [''])[0] || '';
if (coord) {
return symbol + coord;
}
}
}
return '';
}).join('');
}
const styleStr = typeof fswSignObject.style === 'string' && (fswSignObject.style.match(re$3.full) || [''])[0] || '';
return prefix + box + max + signbox + styleStr;
}
};
/**
* Function to gather sizing information about an fsw sign or symbol
* @function fsw.info
* @param {string} fsw - an fsw sign or symbol
* @returns {SegmentInfo} information about the fsw string
* @example
* fsw.info('AS14c20S27106L518x529S14c20481x471S27106503x489-P10Z2')
*
* return {
* minX: 481,
* minY: 471,
* width: 37,
* height: 58,
* lane: -1,
* padding: 10,
* segment: 'sign',
* zoom: 2
* }
*/
const info$1 = fsw => {
let lanes = {
"B": 0,
"L": -1,
"M": 0,
"R": 1
};
let parsed = parse$3.sign(fsw);
let width, height, segment, x1, x2, y1, y2, lane;
if (parsed.spatials) {
x1 = Math.min(...parsed.spatials.map(spatial => spatial.coord[0]));
x2 = parsed.max[0];
width = x2 - x1;
y1 = Math.min(...parsed.spatials.map(spatial => spatial.coord[1]));
y2 = parsed.max[1];
height = y2 - y1;
segment = 'sign';
lane = parsed.box;
} else {
parsed = parse$3.symbol(fsw);
lane = "M";
if (parsed.coord) {
x1 = parsed.coord[0];
width = (500 - x1) * 2;
y1 = parsed.coord[1];
height = (500 - y1) * 2;
segment = 'symbol';
} else {
x1 = 490;
width = 20;
y1 = 490;
height = 20;
segment = 'none';
}
}
let style = parse$1$1(parsed.style);
let zoom = style.zoom || 1;
let padding = style.padding || 0;
return {
minX: x1,
minY: y1,
width: width,
height: height,
segment: segment,
lane: lanes[lane],
padding: padding,
zoom: zoom
};
};
const columnDefaults$1 = {
'height': 500,
'width': 150,
'offset': 50,
'pad': 20,
'margin': 5,
'dynamic': false,
'background': undefined,
'punctuation': {
'spacing': true,
'pad': 30,
'pull': true
},
'style': {
'detail': ['black', 'white'],
'zoom': 1
}
};
/**
* Function to an object of column options with default values
*
* @function fsw.columnDefaultsMerge
* @param {ColumnOptions} options - object of column options
* @returns {ColumnOptions} object of column options merged with column defaults
* @example
* fsw.columnDefaultsMerge({height: 500,width:150})
*
* return {
* "height": 500,
* "width": 150,
* "offset": 50,
* "pad": 20,
* "margin": 5,
* "dynamic": false,
* "punctuation": {
* "spacing": true,
* "pad": 30,
* "pull": true
* },
* "style": {
* "detail": [
* "black",
* "white"
* ],
* "zoom": 1
* }
* }
*/
const columnDefaultsMerge$1 = options => {
if (typeof options !== 'object') options = {};
return {
...columnDefaults$1,
...options,
punctuation: {
...columnDefaults$1.punctuation,
...options.punctuation
},
style: {
...columnDefaults$1.style,
...options.style
}
};
};
/**
* Function to transform an FSW text to an array of columns
*
* @function fsw.columns
* @param {string} fswText - FSW text of signs and punctuation
* @param {ColumnOptions} options - object of column options
* @returns {{options:ColumnOptions,widths:number[],columns:ColumnData}} object of column options, widths array, and column data
* @example
* fsw.columns('AS14c20S27106M518x529S14c20481x471S27106503x489 AS18701S1870aS2e734S20500M518x533S1870a489x515S18701482x490S20500508x496S2e734500x468 S38800464x496', {height: 500,width:150})
*
* return {
* "options": {
* "height": 500,
* "width": 150,
* "offset": 50,
* "pad": 20,
* "margin": 5,
* "dynamic": false,
* "punctuation": {
* "spacing": true,
* "pad": 30,
* "pull": true
* },
* "style": {
* "detail": [
* "black",
* "white"
* ],
* "zoom": 1
* }
* },
* "widths": [
* 150
* ],
* "columns": [
* [
* {
* "x": 56,
* "y": 20,
* "minX": 481,
* "minY": 471,
* "width": 37,
* "height": 58,
* "lane": 0,
* "padding": 0,
* "segment": "sign",
* "text": "AS14c20S27106M518x529S14c20481x471S27106503x489",
* "zoom": 1
* },
* {
* "x": 57,
* "y": 118,
* "minX": 482,
* "minY": 468,
* "width": 36,
* "height": 65,
* "lane": 0,
* "padding": 0,
* "segment": "sign",
* "text": "AS18701S1870aS2e734S20500M518x533S1870a489x515S18701482x490S20500508x496S2e734500x468",
* "zoom": 1
* },
* {
* "x": 39,
* "y": 203,
* "minX": 464,
* "minY": 496,
* "width": 72,
* "height": 8,
* "lane": 0,
* "padding": 0,
* "segment": "symbol",
* "text": "S38800464x496",
* "zoom": 1
* }
* ]
* ]
* }
*/
const columns$1 = (fswText, options) => {
if (typeof fswText !== 'string') return {};
const values = columnDefaultsMerge$1(options);
let input = parse$3.text(fswText);
let cursor = 0;
let cols = [];
let col = [];
let plus = 0;
let center = parseInt(values.width / 2);
let maxHeight = values.height - values.margin;
let pullable = true;
let finalize = false;
for (let val of input) {
let informed = info$1(val);
cursor += plus;
if (values.punctuation.spacing) {
cursor += informed.segment == 'sign' ? values.pad : 0;
} else {
cursor += values.pad;
}
finalize = cursor + informed.height > maxHeight;
if (finalize && informed.segment == 'symbol' && values.punctuation.pull && pullable) {
finalize = false;
pullable = false;
}
if (col.length == 0) {
finalize = false;
}
if (finalize) {
cursor = values.pad;
cols.push(col);
col = [];
pullable = true;
}
col.push(Object.assign(informed, {
x: center + values.offset * informed.lane - (500 - informed.minX) * informed.zoom * values.style.zoom,
y: cursor,
text: val
}));
cursor += informed.height * informed.zoom * values.style.zoom;
if (values.punctuation.spacing) {
plus = informed.segment == 'sign' ? values.pad : values.punctuation.pad;
} else {
plus = values.pad;
}
}
if (col.length) {
cols.push(col);
}
// over height issue when pulling punctuation
if (values.punctuation.pull) {
for (let col of cols) {
let last = col[col.length - 1];
let diff = last.y + last.height - (values.height - values.margin);
if (diff > 0) {
let adj = parseInt(diff / col.length) + 1;
for (let i in col) {
col[i].y -= adj * i + adj;
}
}
}
}
// contract, expand, adjust
let widths = [];
for (let col of cols) {
let min = [center - values.offset - values.pad];
let max = [center + values.offset + values.pad];
for (let item of col) {
min.push(item.x - values.pad);
max.push(item.x + item.width + values.pad);
}
min = Math.min(...min);
max = Math.max(...max);
let width = values.width;
let adj = 0;
if (!values.dynamic) {
adj = center - parseInt((min + max) / 2);
} else {
width = max - min;
adj = -min;
}
for (let item of col) {
item.x += adj;
}
widths.push(width);
}
return {
'options': values,
'widths': widths,
'columns': cols
};
};
/**
* Array of numbers for categories of symbols: hand, movement, dynamics, head, trunk & limb, location, and punctuation.
* @alias fsw.category
* @type {number[]}
*/
const category$1 = [0x100, 0x205, 0x2f7, 0x2ff, 0x36d, 0x37f, 0x387];
/**
* Object of symbol ranges with starting and ending numbers.
*
* { all, writing, hand, movement, dynamic, head, hcenter, vcenter, trunk, limb, location, punctuation }
* @alias fsw.ranges
* @type {object}
*/
const ranges$1 = {
'all': [0x100, 0x38b],
'writing': [0x100, 0x37e],
'hand': [0x100, 0x204],
'movement': [0x205, 0x2f6],
'dynamic': [0x2f7, 0x2fe],
'head': [0x2ff, 0x36c],
'hcenter': [0x2ff, 0x36c],
'vcenter': [0x2ff, 0x375],
'trunk': [0x36d, 0x375],
'limb': [0x376, 0x37e],
'location': [0x37f, 0x386],
'punctuation': [0x387, 0x38b]
};
/**
* Array of colors associated with the seven symbol categories.
* @alias fsw.colors
* @type {string[]}
*/
const colors$1 = ['#0000CC', '#CC0000', '#FF0099', '#006600', '#000000', '#884411', '#FF9900'];
/**
* Function that returns the standardized color for a symbol.
* @function fsw.colorize
* @param {string} key - an FSW symbol key
* @returns {string} name of standardized color for symbol
* @example
* fsw.colorize('S10000')
*
* return '#0000CC'
*/
const colorize$1 = key => {
const parsed = parse$3.symbol(key);
let color = '#000000';
if (parsed.symbol) {
const dec = parseInt(parsed.symbol.slice(1, 4), 16);
const index = category$1.findIndex(val => val > dec);
color = colors$1[index < 0 ? 6 : index - 1];
}
return color;
};
/* support ongoing development */
/* https://patreon.com/signwriting */
/* https://donate.sutton-signwriting.io */
/**
* Function that returns the size of a symbol using an FSW symbol key
* @function fsw.symbolSize
* @param {string} fsw - an FSW symbol key
* @returns {number[]} width and height of symbol
* @example
* fsw.symbolSize("S10000")
*
* return [15,30]
*/
const symbolSize$1 = function (fsw) {
const parsed = parse$3.symbol(fsw);
if (!parsed.symbol) {
return undefined;
}
return symbolSize$2(key2id(fsw));
};
/**
* Function that returns a plane 15 character for a symbol line using an FSW symbol key
* @function fsw.symbolLine
* @param {string} fsw - an FSW symbol key
* @returns {string} character for symbol line
* @example
* fsw.symbolLine('S10000')
*
* return ''
*/
const symbolLine$1 = function (fsw) {
return symbolLine$2(key2id(fsw));
};
/**
* Function that returns a plane 16 character for a symbol fill using an FSW symbol key
* @function fsw.symbolFill
* @param {string} fsw - an FSW symbol key
* @returns {string} character for symbol fill
* @example
* font.symbolFill('S10000')
*
* return ''
*/
const symbolFill$1 = function (fsw) {
return symbolFill$2(key2id(fsw));
};
/**
* Function that creates two text elements for a symbol using an FSW symbol key
* @function fsw.symbolText
* @param {string} fsw - an FSW symbol key
* @returns {string} svg segment for line and fill
* @example
* fsw.symbolText('S10000')
*
* return ` <text class="sym-fill" fill="white" style="pointer-events:none;font-family:'SuttonSignWritingFill';font-size:30px;"></text>
* <text class="sym-line" fill="black" style="pointer-events:none;font-family:'SuttonSignWritingLine';font-size:30px;"></text>`
*/
const symbolText$1 = function (fsw) {
return symbolText$2(key2id(fsw));
};
/**
* Sutton SignWriting Core Module v1.5.11 (https://github.com/sutton-signwriting/core)
* Author: Steve Slevinski (https://SteveSlevinski.me)
* style.mjs is released under the MIT License.
*/
/**
* Object of regular expressions for style strings
*
* @alias style.re
* @type {object}
* @property {string} colorize - regular expression for colorize section
* @property {string} colorhex - regular expression for color hex values with 3 or 6 characters
* @property {string} colorname - regular expression for css color name
* @property {string} padding - regular expression for padding section
* @property {string} zoom - regular expression for zoom section
* @property {string} classbase - regular expression for class name definition
* @property {string} id - regular expression for id definition
* @property {string} colorbase - regular expression for color hex or color name
* @property {string} color - regular expression for single color entry
* @property {string} colors - regular expression for double color entry
* @property {string} background - regular expression for background section
* @property {string} detail - regular expression for color details for line and optional fill
* @property {string} detailsym - regular expression for color details for individual symbols
* @property {string} classes - regular expression for one or more class names
* @property {string} full - full regular expression for style string
*/
let re$2 = {
'colorize': 'C',
'colorhex': '(?:[0-9a-fA-F]{3}){1,2}',
'colorname': '[a-zA-Z]+',
'padding': 'P[0-9]{2}',
'zoom': 'Z(?:[0-9]+(?:\\.[0-9]+)?|x)',
'classbase': '-?[_a-zA-Z][_a-zA-Z0-9-]{0,100}',
'id': '[a-zA-Z][_a-zA-Z0-9-]{0,100}'
};
re$2.colorbase = `(?:${re$2.colorhex}|${re$2.colorname})`;
re$2.color = `_${re$2.colorbase}_`;
re$2.colors = `_${re$2.colorbase}(?:,${re$2.colorbase})?_`;
re$2.background = `G${re$2.color}`;
re$2.detail = `D${re$2.colors}`;
re$2.detailsym = `D[0-9]{2}${re$2.colors}`;
re$2.classes = `${re$2.classbase}(?: ${re$2.classbase})*`;
re$2.full = `-(${re$2.colorize})?(${re$2.padding})?(${re$2.background})?(${re$2.detail})?(${re$2.zoom})?(?:-((?:${re$2.detailsym})*))?(?:-(${re$2.classes})?!(?:(${re$2.id})!)?)?`;
const prefixColor$1 = color => {
const regex = new RegExp(`^${re$2.colorhex}$`);
return (regex.test(color) ? '#' : '') + color;
};
const definedProps$1 = obj => Object.fromEntries(Object.entries(obj).filter(([k, v]) => v !== undefined));
/**
* Function to parse style string to object
* @function style.parse
* @param {string} styleString - a style string
* @returns {StyleObject} elements of style string
* @example
* style.parse('-CP10G_blue_D_red,Cyan_')
*
* return {
* 'colorize': true,
* 'padding': 10,
* 'background': 'blue',
* 'detail': ['red', 'Cyan']
* }
*/
const parse$2 = styleString => {
const regex = `^${re$2.full}`;
const m = (typeof styleString === 'string' ? styleString.match(new RegExp(regex)) : []) || [];
return definedProps$1({
'colorize': !m[1] ? undefined : !!m[1],
'padding': !m[2] ? undefined : parseInt(m[2].slice(1)),
'background': !m[3] ? undefined : prefixColor$1(m[3].slice(2, -1)),
'detail': !m[4] ? undefined : m[4].slice(2, -1).split(',').map(prefixColor$1),
'zoom': !m[5] ? undefined : m[5] === 'Zx' ? 'x' : parseFloat(m[5].slice(1)),
'detailsym': !m[6] ? undefined : m[6].match(new RegExp(re$2.detailsym, 'g')).map(val => {
const parts = val.split('_');
const detail = parts[1].split(',').map(prefixColor$1);
return {
'index': parseInt(parts[0].slice(1)),
'detail': detail
};
}),
'classes': !m[7] ? undefined : m[7],
'id': !m[8] ? undefined : m[8]
});
};
/**
* Function to compose style string from object
* @function style.compose
* @param {StyleObject} styleObject - an object of style options
* @returns {string} style string
* @example
* style.compose({
* 'colorize': true,
* 'padding': 10,
* 'background': 'blue',
* 'detail': ['red', 'Cyan'],
* 'zoom': 1.1,
* 'detailsym': [
* {
* 'index': 1,
* 'detail': ['#ff00ff']
* },
* {
* 'index': 2,
* 'detail': ['yellow', 'green']
* }
* ],
* 'classes': 'primary blinking',
* 'id': 'cursor'
* })
*
* return '-CP10G_blue_D_red,Cyan_Z1.1-D01_ff00ff_D02_yellow,green_-primary blinking!cursor!'
*/
const compose$1 = styleObject => {
if (typeof styleObject !== 'object' || styleObject === null) return undefined;
// three sections
let style1 = '-';
style1 += !styleObject.colorize ? '' : 'C';
const padding = parseInt(styleObject.padding);
style1 += !padding || padding <= 0 || padding > 99 ? '' : 'P' + (padding > 9 ? padding : '0' + padding);
const background = !styleObject.background || !(typeof styleObject.background === 'string') ? undefined : styleObject.background.match(re$2.colorbase)[0];
style1 += !background ? '' : 'G_' + background + '_';
const detail1 = !styleObject.detail || !styleObject.detail[0] || !(typeof styleObject.detail[0] === 'string') ? undefined : styleObject.detail[0].match(re$2.colorbase)[0];
const detail2 = !styleObject.detail || !styleObject.detail[1] || !(typeof styleObject.detail[1] === 'string') ? undefined : styleObject.detail[1].match(re$2.colorbase)[0];
if (detail1) {
style1 += 'D_' + detail1;
if (detail2) {
style1 += ',' + detail2;
}
style1 += '_';
}
const zoom = styleObject.zoom === 'x' ? 'x' : parseFloat(styleObject.zoom);
style1 += !zoom || zoom <= 0 ? '' : 'Z' + zoom;
let style2 = '';
const detailsym = !styleObject.detailsym || !Array.isArray(styleObject.detailsym) ? [] : styleObject.detailsym.map(styleObject => {
const index = parseInt(styleObject.index);
if (!index || index <= 0 || index > 99) return '';
let style = 'D' + (index > 9 ? index : '0' + index);
const detail1 = !styleObject.detail || !styleObject.detail[0] ? undefined : styleObject.detail[0].match(re$2.colorbase)[0];
const detail2 = !styleObject.detail || !styleObject.detail[1] ? undefined : styleObject.detail[1].match(re$2.colorbase)[0];
if (detail1) {
style += '_' + detail1;
if (detail2) {
style += ',' + detail2;
}
style += '_';
}
return style;
});
style2 += detailsym.join('');
let style3 = '';
const classes = !styleObject.classes || !(typeof styleObject.classes === 'string') ? undefined : styleObject.classes.match(re$2.classes)[0];
style3 += !classes ? '' : classes;
const id = !styleObject.id || !(typeof styleObject.id === 'string') ? undefined : styleObject.id.match(re$2.id)[0];
style3 += classes || id ? '!' : '';
style3 += !id ? '' : id + '!';
return style1 + (style2 || style3 ? '-' + style2 : '') + (style3 ? '-' + style3 : '');
};
/* support ongoing development */
/* https://patreon.com/signwriting */
/* https://donate.sutton-signwriting.io */
/**
* Function that creates an SVG image from an FSW symbol key with an optional style string
* @function fsw.symbolSvgBody
* @param {string} fswSym - an FSW symbol key with optional style string
* @returns {string} body of SVG for symbol
* @example
* fsw.symbolSvgBody('S10000')
*
* return `<text font-size="0">S10000</text>
* <g transform="translate(500,500)">
* <text class="sym-fill" fill="white" style="pointer-events:none;font-family:'SuttonSignWritingFill';font-size:30px;"></text>
* <text class="sym-line" fill="black" style="pointer-events:none;font-family:'SuttonSignWritingLine';font-size:30px;"></text>
* </g>`
*/
const symbolSvgBody$1 = fswSym => {
const parsed = parse$3.symbol(fswSym);
const blank = '';
if (!parsed.symbol) return blank;
let styling = parse$2(parsed.style);
let x1, y1, x2, y2;
if (parsed.coord) {
x1 = parsed.coord[0];
y1 = parsed.coord[1];
x2 = 500 + (500 - x1);
y2 = 500 + (500 - y1);
} else {
let size = symbolSize$1(parsed.symbol);
if (!size) return blank;
x1 = 500 - parseInt((size[0] + 1) / 2);
y1 = 500 - parseInt((size[1] + 1) / 2);
x2 = 500 + (500 - x1);
y2 = 500 + (500 - y1);
}
let symSvg = symbolText$1(parsed.symbol);
symSvg = ` <g transform="translate(${x1},${y1})">
${symSvg}
</g>`;
let line;
if (styling.colorize) {
line = colorize$1(parsed.symbol);
} else if (styling.detail) {
line = styling.detail[0];
}
if (line) {
symSvg = symSvg.replace(/class="sym-line" fill="black"/, `class="sym-line" fill="${line}"`);
}
let fill = styling.detail && styling.detail[1];
if (fill) {
symSvg = symSvg.replace(/class="sym-fill" fill="white"/, `class="sym-fill" fill="${fill}"`);
}
let background = '';
if (styling.padding) {
x1 -= styling.padding;
y1 -= styling.padding;
x2 += styling.padding;
y2 += styling.padding;
}
if (styling.background) {
background = `\n <rect x="${x1}" y="${y1}" width="${x2 - x1}" height="${y2 - y1}" style="fill:${styling.background};" />`;
}
return ` <text font-size="0">${fswSym}</text>${background}
${symSvg}`;
};
/**
* Function that creates an SVG image from an FSW symbol key with an optional style string
* @function fsw.symbolSvg
* @param {string} fswSym - an FSW symbol key with optional style string
* @returns {string} SVG for symbol
* @example
* fsw.symbolSvg('S10000')
*
* return `<svg version="1.1" xmlns="http://www.w3.org/2000/svg" width="15" height="30" viewBox="500 500 15 30">
* <text font-size="0">S10000</text>
* <g transform="translate(500,500)">
* <text class="sym-fill" fill="white" style="pointer-events:none;font-family:'SuttonSignWritingFill';font-size:30px;"></text>
* <text class="sym-line" fill="black" style="pointer-events:none;font-family:'SuttonSignWritingLine';font-size:30px;"></text>
* </g>
* </svg>`
*/
const symbolSvg$1 = fswSym => {
const parsed = parse$3.symbol(fswSym);
const blank = '<svg version="1.1" xmlns="http://www.w3.org/2000/svg" width="1" height="1"></svg>';
if (!parsed.symbol) return blank;
let styling = parse$2(parsed.style);
let x1, y1, x2, y2;
if (parsed.coord) {
x1 = parsed.coord[0];
y1 = parsed.coord[1];
x2 = 500 + (500 - x1);
y2 = 500 + (500 - y1);
} else {
let size = symbolSize$1(parsed.symbol);
if (!size) return blank;
x1 = parseInt(500 - size[0] / 2);
y1 = parseInt(500 - size[1] / 2);
x2 = x1 + size[0];
y2 = y1 + size[1];
}
let classes = '';
if (styling.classes) {
classes = ` class="${styling.classes}"`;
}
let id = '';
if (styling.id) {
id = ` id="${styling.id}"`;
}
if (styling.padding) {
x1 -= styling.padding;
y1 -= styling.padding;
x2 += styling.padding;
y2 += styling.padding;
}
let sizing = '';
if (styling.zoom != 'x') {
sizing = ` width="${(x2 - x1) * (styling.zoom ? styling.zoom : 1)}" height="${(y2 - y1) * (styling.zoom ? styling.zoom : 1)}"`;
}
return `<svg${classes}${id} version="1.1" xmlns="http://www.w3.org/2000/svg"${sizing} viewBox="${x1} ${y1} ${x2 - x1} ${y2 - y1}">
${symbolSvgBody$1(fswSym)}
</svg>`;
};
const symbolCanvas$1 = function (fswSym) {
const parsed = parse$3.symbol(fswSym);
if (parsed.symbol) {
let size = symbolSize$1(parsed.symbol);
if (size) {
const canvas = document.createElement('canvas');
const context = canvas.getContext('2d');
let styling = parse$2(parsed.style);
let line = 'black';
if (styling.colorize) {
line = colorize$1(parsed.symbol);
} else if (styling.detail) {
line = styling.detail[0];
}
let fill = styling.detail && styling.detail[1] || 'white';
let x1 = 500;
let x2 = x1 + size[0];
let y1 = 500;
let y2 = y1 + size[1];
if (styling.padding) {
x1 -= styling.padding;
y1 -= styling.padding;
x2 += styling.padding;
y2 += styling.padding;
}
let sizing = 1;
if (styling.zoom != 'x') {
sizing = styling.zoom;
}
let w = (x2 - x1) * sizing;
let h = (y2 - y1) * sizing;
canvas.width = w ? w : 1;
canvas.height = h ? h : 1;
if (styling.background) {
context.rect(0, 0, w, h);
context.fillStyle = styling.background;
context.fill();
}
context.font = 30 * sizing + "px 'SuttonSignWritingFill'";
context.fillStyle = fill;
context.fillText(symbolFill$1(parsed.symbol), (500 - x1) * sizing, (500 - y1) * sizing);
context.font = 30 * sizing + "px 'SuttonSignWritingLine'";
context.fillStyle = line;
context.fillText(symbolLine$1(parsed.symbol), (500 - x1) * sizing, (500 - y1) * sizing);
return canvas;
}
}
};
/**
* Function that creates a PNG data url from an FSW symbol key with an optional style string
* @function fsw.symbolPng
* @param {string} fswSym - an FSW symbol key with optional style string
* @returns {string} png image for symbol as data url
* @example
* fsw.symbolPng('S10000')
*
* return 'data:image/png;base64,iVBORw...'
*/
const symbolPng$1 = fswSym => {
const canvas = symbolCanvas$1(fswSym);
const png = canvas.toDataURL("image/png");
canvas.remove();
return png;
};
const blank$1 = null;
/**
* Function that normalizes a symbol with a minimum coordinate for a center of 500,500
* @function fsw.symbolNormalize
* @param {string} fswSym - an FSW symbol key with optional coordinate and style string
* @returns {string} normalized FSW symbol
* @example
* fsw.symbolNormalize('S10000-CP10G_green_Z2')
*
* return 'S10000493x485-CP10G_green_Z2'
*/
const symbolNormalize$1 = fswSym => {
const parsed = parse$3.symbol(fswSym);
if (parsed.symbol) {
let size = symbolSize$1(parsed.symbol);
if (size) {
return `${parsed.symbol}${500 - parseInt((size[0] + 1) / 2)}x${500 - parseInt((size[1] + 1) / 2)}${parsed.style || ''}`;
}
} else {
return blank$1;
}
};
/**
* Function that mirrors a symbol
* @function fsw.symbolMirror
* @param {string} fswSym - an FSW symbol key with optional coordinate and style string
* @returns {string} mirrored FSW symbol
* @example
* fsw.symbolMirror('S10000')
*
* return 'S10008'
*/
const symbolMirror$1 = fswSym => {
let parsed = parse$3.symbol(fswSym);
if (!parsed.symbol) {
return fswSym;
}
const size = symbolSize$1(parsed.symbol);
if (!size) {
return fswSym;
}
const base = parsed.symbol.slice(0, 4);
let fill = parsed.symbol.slice(4, 5);
let rot = parseInt(parsed.symbol.slice(5, 6), 16);
const key1 = base