@foblex/2d
Version:
An Angular library for 2D geometric computations, providing classes and utilities for manipulating points, lines, vectors, rectangles, arcs, and transformations.
1,115 lines (1,094 loc) • 57.1 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define('@foblex/2d', ['exports'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global.foblex = global.foblex || {}, global.foblex["2d"] = {})));
})(this, (function (exports) { 'use strict';
var Arc = /** @class */ (function () {
function Arc(center, radiusX, radiusY, startAngle, endAngle) {
this.center = center;
this.radiusX = radiusX;
this.radiusY = radiusY;
this.startAngle = startAngle;
this.endAngle = endAngle;
}
return Arc;
}());
var PointExtensions = /** @class */ (function () {
function PointExtensions() {
}
PointExtensions.castToPoint = function (value) {
return value || PointExtensions.initialize();
};
PointExtensions.initialize = function (x, y) {
if (x === void 0) { x = 0; }
if (y === void 0) { y = 0; }
return { x: x, y: y };
};
PointExtensions.copy = function (point) {
return PointExtensions.initialize(point.x, point.y);
};
PointExtensions.isEqual = function (point1, point2) {
return point1.x === point2.x && point1.y === point2.y;
};
PointExtensions.sum = function (point1, point2) {
return { x: (point1.x + point2.x), y: (point1.y + point2.y) };
};
PointExtensions.sub = function (point1, point2) {
return { x: (point1.x - point2.x), y: (point1.y - point2.y) };
};
PointExtensions.div = function (point, value) {
return { x: (point.x / value), y: (point.y / value) };
};
PointExtensions.mult = function (point, value) {
return { x: (point.x * value), y: (point.y * value) };
};
PointExtensions.interpolatePoints = function (point1, point2, t) {
var oneMinusT = 1.0 - t;
return PointExtensions.initialize(point1.x * oneMinusT + point2.x * t, point1.y * oneMinusT + point2.y * t);
};
PointExtensions.roundTo = function (point, size) {
var xCount = Math.trunc(point.x / size);
var yCount = Math.trunc(point.y / size);
return { x: xCount * size, y: yCount * size };
};
PointExtensions.hypotenuse = function (point1, point2) {
var a = (point2.x - point1.x);
var b = (point2.y - point1.y);
return Math.abs(Math.sqrt(a * a + b * b));
};
PointExtensions.distance = function (point1, point2) {
var dx = point1.x - point2.x;
var dy = point1.y - point2.y;
return Math.sqrt(dx * dx + dy * dy);
};
PointExtensions.getMinimum = function (point1, point2) {
return PointExtensions.initialize(Math.min(point1.x, point2.x), Math.min(point1.y, point2.y));
};
PointExtensions.getMaximum = function (point1, point2) {
return PointExtensions.initialize(Math.max(point1.x, point2.x), Math.max(point1.y, point2.y));
};
PointExtensions.matrixTransform = function (point, element) {
var result = PointExtensions.initialize(point.x, point.y);
var matrix = element.getScreenCTM();
if (matrix) {
var svgPoint = element.createSVGPoint();
svgPoint.x = point.x;
svgPoint.y = point.y;
result = svgPoint.matrixTransform(matrix.inverse());
}
return result;
};
PointExtensions.elementTransform = function (point, element) {
var result = PointExtensions.initialize(point.x, point.y);
var matrix = element.getBoundingClientRect();
result = PointExtensions.sub(result, PointExtensions.initialize(matrix.left, matrix.top));
return result;
};
return PointExtensions;
}());
var Point = /** @class */ (function () {
function Point(x, y) {
if (x === void 0) { x = 0; }
if (y === void 0) { y = 0; }
this.x = x;
this.y = y;
}
Point.fromPoint = function (point) {
return new Point(point.x, point.y);
};
Point.prototype.add = function (point) {
var result = PointExtensions.sum(this, point);
return Point.fromPoint(result);
};
Point.prototype.sub = function (point) {
var result = PointExtensions.sub(this, point);
return Point.fromPoint(result);
};
Point.prototype.subNumber = function (value) {
var result = PointExtensions.sub(this, new Point(value, value));
return Point.fromPoint(result);
};
Point.prototype.div = function (value) {
var result = PointExtensions.div(this, value);
return Point.fromPoint(result);
};
Point.prototype.mult = function (value) {
var result = PointExtensions.mult(this, value);
return Point.fromPoint(result);
};
Point.prototype.matrixTransform = function (element) {
var result = PointExtensions.matrixTransform(this, element);
return Point.fromPoint(result);
};
Point.prototype.elementTransform = function (element) {
var result = PointExtensions.elementTransform(this, element);
return Point.fromPoint(result);
};
return Point;
}());
var LineExtensions = /** @class */ (function () {
function LineExtensions() {
}
LineExtensions.initialize = function (point1, point2) {
if (point1 === void 0) { point1 = PointExtensions.initialize(); }
if (point2 === void 0) { point2 = PointExtensions.initialize(); }
return { point1: point1, point2: point2 };
};
LineExtensions.copy = function (line) {
return { point1: line.point1, point2: line.point2 };
};
LineExtensions.hypotenuse = function (line) {
return Math.sqrt(Math.pow((line.point1.x - line.point2.x), 2) +
Math.pow((line.point1.y - line.point2.y), 2));
};
return LineExtensions;
}());
var Line = /** @class */ (function () {
function Line(point1, point2) {
this.point1 = point1;
this.point2 = point2;
}
return Line;
}());
var RectExtensions = /** @class */ (function () {
function RectExtensions() {
}
RectExtensions.initialize = function (x, y, width, height) {
if (x === void 0) { x = 0; }
if (y === void 0) { y = 0; }
if (width === void 0) { width = 0; }
if (height === void 0) { height = 0; }
if (width < 0) {
x = x + width;
width = -width;
}
if (height < 0) {
y = y + height;
height = -height;
}
var gravityCenter = PointExtensions.initialize(x + (width / 2), y + (height / 2));
return { x: x, y: y, width: width, height: height, gravityCenter: gravityCenter };
};
RectExtensions.copy = function (rect) {
return RectExtensions.initialize(rect.x, rect.y, rect.width, rect.height);
};
RectExtensions.fromElement = function (element) {
var _a = element.getBoundingClientRect(), x = _a.x, y = _a.y, width = _a.width, height = _a.height;
return RectExtensions.initialize(x, y, width, height);
};
RectExtensions.isIncludePoint = function (rect, point) {
return point.x >= RectExtensions.left(rect) && point.x <= RectExtensions.right(rect) && point.y >= RectExtensions.top(rect) && point.y <= RectExtensions.bottom(rect);
};
RectExtensions.intersectionWithRect = function (rect1, rect2) {
return !(rect1.x + rect1.width < rect2.x ||
rect2.x + rect2.width < rect1.x ||
rect1.y + rect1.height < rect2.y ||
rect2.y + rect2.height < rect1.y);
};
RectExtensions.left = function (rect) {
return rect.x;
};
RectExtensions.top = function (rect) {
return rect.y;
};
RectExtensions.right = function (rect) {
return rect.x + rect.width;
};
RectExtensions.bottom = function (rect) {
return rect.y + rect.height;
};
RectExtensions.addPoint = function (rect, point) {
var rectCopy = RectExtensions.copy(rect);
rectCopy.x += point.x;
rectCopy.y += point.y;
return this.initialize(rectCopy.x, rectCopy.y, rectCopy.width, rectCopy.height);
};
RectExtensions.mult = function (rect, value) {
var rectCopy = RectExtensions.copy(rect);
rectCopy.x *= value;
rectCopy.y *= value;
rectCopy.width *= value;
rectCopy.height *= value;
return this.initialize(rectCopy.x, rectCopy.y, rectCopy.width, rectCopy.height);
};
RectExtensions.div = function (rect, value) {
var rectCopy = RectExtensions.copy(rect);
rectCopy.x /= value;
rectCopy.y /= value;
rectCopy.width /= value;
rectCopy.height /= value;
return this.initialize(rectCopy.x, rectCopy.y, rectCopy.width, rectCopy.height);
};
RectExtensions.addPointToSize = function (rect, point) {
var rectCopy = RectExtensions.copy(rect);
rectCopy.width += point.x;
rectCopy.height += point.y;
return this.initialize(rectCopy.x, rectCopy.y, rectCopy.width, rectCopy.height);
};
RectExtensions.union = function (rects) {
if (!rects || rects.length === 0) {
return null;
}
return rects.reduce(function (result, rect) {
var minX = Math.min(result.x, rect.x);
var minY = Math.min(result.y, rect.y);
var maxX = Math.max(result.x + result.width, rect.x + rect.width);
var maxY = Math.max(result.y + result.height, rect.y + rect.height);
return RectExtensions.initialize(minX, minY, maxX - minX, maxY - minY);
}, rects[0]);
};
RectExtensions.elementTransform = function (rect, element) {
var matrix = element.getBoundingClientRect();
var position = PointExtensions.sub(rect, PointExtensions.initialize(matrix.left, matrix.top));
return RectExtensions.initialize(position.x, position.y, rect.width, rect.height);
};
RectExtensions.updateIsNotFinite = function (rect) {
if (!Number.isFinite(rect.width) || !Number.isFinite(rect.height) || !Number.isFinite(rect.x) || !Number.isFinite(rect.y)) {
return RectExtensions.initialize(0, 0, 0, 0);
}
return rect;
};
return RectExtensions;
}());
function adjustRectToMinSize(rect, minSize) {
var width = Math.max(rect.width, minSize);
var height = Math.max(rect.height, minSize);
var offsetX = (width - rect.width) / 2;
var offsetY = (height - rect.height) / 2;
return RectExtensions.initialize(rect.x - offsetX, rect.y - offsetY, width, height);
}
/******************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
/* global Reflect, Promise, SuppressedError, Symbol, Iterator */
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b)
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};
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extendStatics(d, b);
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throw new TypeError("Private accessor was defined without a setter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver))
throw new TypeError("Cannot write private member to an object whose class did not declare it");
return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
}
function __classPrivateFieldIn(state, receiver) {
if (receiver === null || (typeof receiver !== "object" && typeof receiver !== "function"))
throw new TypeError("Cannot use 'in' operator on non-object");
return typeof state === "function" ? receiver === state : state.has(receiver);
}
function __addDisposableResource(env, value, async) {
if (value !== null && value !== void 0) {
if (typeof value !== "object" && typeof value !== "function")
throw new TypeError("Object expected.");
var dispose, inner;
if (async) {
if (!Symbol.asyncDispose)
throw new TypeError("Symbol.asyncDispose is not defined.");
dispose = value[Symbol.asyncDispose];
}
if (dispose === void 0) {
if (!Symbol.dispose)
throw new TypeError("Symbol.dispose is not defined.");
dispose = value[Symbol.dispose];
if (async)
inner = dispose;
}
if (typeof dispose !== "function")
throw new TypeError("Object not disposable.");
if (inner)
dispose = function () { try {
inner.call(this);
}
catch (e) {
return Promise.reject(e);
} };
env.stack.push({ value: value, dispose: dispose, async: async });
}
else if (async) {
env.stack.push({ async: true });
}
return value;
}
var _SuppressedError = typeof SuppressedError === "function" ? SuppressedError : function (error, suppressed, message) {
var e = new Error(message);
return e.name = "SuppressedError", e.error = error, e.suppressed = suppressed, e;
};
function __disposeResources(env) {
function fail(e) {
env.error = env.hasError ? new _SuppressedError(e, env.error, "An error was suppressed during disposal.") : e;
env.hasError = true;
}
var r, s = 0;
function next() {
while (r = env.stack.pop()) {
try {
if (!r.async && s === 1)
return s = 0, env.stack.push(r), Promise.resolve().then(next);
if (r.dispose) {
var result = r.dispose.call(r.value);
if (r.async)
return s |= 2, Promise.resolve(result).then(next, function (e) { fail(e); return next(); });
}
else
s |= 1;
}
catch (e) {
fail(e);
}
}
if (s === 1)
return env.hasError ? Promise.reject(env.error) : Promise.resolve();
if (env.hasError)
throw env.error;
}
return next();
}
var tslib_es6 = {
__extends: __extends,
__assign: __assign,
__rest: __rest,
__decorate: __decorate,
__param: __param,
__metadata: __metadata,
__awaiter: __awaiter,
__generator: __generator,
__createBinding: __createBinding,
__exportStar: __exportStar,
__values: __values,
__read: __read,
__spread: __spread,
__spreadArrays: __spreadArrays,
__spreadArray: __spreadArray,
__await: __await,
__asyncGenerator: __asyncGenerator,
__asyncDelegator: __asyncDelegator,
__asyncValues: __asyncValues,
__makeTemplateObject: __makeTemplateObject,
__importStar: __importStar,
__importDefault: __importDefault,
__classPrivateFieldGet: __classPrivateFieldGet,
__classPrivateFieldSet: __classPrivateFieldSet,
__classPrivateFieldIn: __classPrivateFieldIn,
__addDisposableResource: __addDisposableResource,
__disposeResources: __disposeResources,
};
function findClosestAlignment(elements, target, alignThreshold) {
var e_1, _a, e_2, _b, e_3, _c;
if (alignThreshold === void 0) { alignThreshold = 10; }
var nearestX;
var minDistanceX;
var nearestY;
var minDistanceY;
try {
for (var elements_1 = __values(elements), elements_1_1 = elements_1.next(); !elements_1_1.done; elements_1_1 = elements_1.next()) {
var element = elements_1_1.value;
var targetCenterX = target.gravityCenter.x;
var targetCenterY = target.gravityCenter.y;
var elementRight = element.x + element.width;
var elementBottom = element.y + element.height;
var elementDistances = {
x: [
{ value: element.x, distance: target.x - element.x },
{ value: elementRight, distance: target.x - elementRight },
{ value: element.gravityCenter.x, distance: targetCenterX - element.gravityCenter.x },
{ value: element.x, distance: (target.x + target.width) - element.x },
{ value: elementRight, distance: (target.x + target.width) - elementRight }, // Right to right
],
y: [
{ value: element.y, distance: target.y - element.y },
{ value: elementBottom, distance: target.y - elementBottom },
{ value: element.gravityCenter.y, distance: targetCenterY - element.gravityCenter.y },
{ value: element.y, distance: (target.y + target.height) - element.y },
{ value: elementBottom, distance: (target.y + target.height) - elementBottom }, // Bottom to bottom
],
};
try {
for (var _d = (e_2 = void 0, __values(elementDistances.x)), _e = _d.next(); !_e.done; _e = _d.next()) {
var _f = _e.value, value = _f.value, distance = _f.distance;
if (Math.abs(distance) <= alignThreshold) {
if (minDistanceX === undefined || Math.abs(distance) < Math.abs(minDistanceX)) {
minDistanceX = distance;
nearestX = value;
}
}
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (_e && !_e.done && (_b = _d.return)) _b.call(_d);
}
finally { if (e_2) throw e_2.error; }
}
try {
for (var _g = (e_3 = void 0, __values(elementDistances.y)), _h = _g.next(); !_h.done; _h = _g.next()) {
var _j = _h.value, value = _j.value, distance = _j.distance;
if (Math.abs(distance) <= alignThreshold) {
if (minDistanceY === undefined || Math.abs(distance) < Math.abs(minDistanceY)) {
minDistanceY = distance;
nearestY = value;
}
}
}
}
catch (e_3_1) { e_3 = { error: e_3_1 }; }
finally {
try {
if (_h && !_h.done && (_c = _g.return)) _c.call(_g);
}
finally { if (e_3) throw e_3.error; }
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (elements_1_1 && !elements_1_1.done && (_a = elements_1.return)) _a.call(elements_1);
}
finally { if (e_1) throw e_1.error; }
}
return {
xResult: { value: nearestX, distance: minDistanceX },
yResult: { value: nearestY, distance: minDistanceY },
};
}
function setRectToElement(rect, element) {
rect = RectExtensions.updateIsNotFinite(rect);
element.setAttribute('x', rect.x.toString());
element.setAttribute('y', rect.y.toString());
element.setAttribute('width', rect.width.toString());
element.setAttribute('height', rect.height.toString());
}
function setRectToViewBox(rect, element) {
rect = RectExtensions.updateIsNotFinite(rect);
element.setAttribute('viewBox', rect.x + " " + rect.y + " " + rect.width + " " + rect.height);
}
var RoundedRect = /** @class */ (function () {
function RoundedRect(x, y, width, height, radius1, radius2, radius3, radius4) {
if (x === void 0) { x = 0; }
if (y === void 0) { y = 0; }
if (width === void 0) { width = 0; }
if (height === void 0) { height = 0; }
if (radius1 === void 0) { radius1 = 0; }
if (radius2 === void 0) { radius2 = 0; }
if (radius3 === void 0) { radius3 = 0; }
if (radius4 === void 0) { radius4 = 0; }
this.x = x;
this.y = y;
this.width = width;
this.height = height;
this.radius1 = radius1;
this.radius2 = radius2;
this.radius3 = radius3;
this.radius4 = radius4;
this.gravityCenter = PointExtensions.initialize();
this.gravityCenter = this.calculateGravityCenter(this);
}
RoundedRect.prototype.calculateGravityCenter = function (rect) {
return new Point(rect.x + rect.width / 2, rect.y + rect.height / 2);
};
RoundedRect.fromRect = function (rect) {
return new RoundedRect(rect.x, rect.y, rect.width, rect.height);
};
RoundedRect.fromRoundedRect = function (rect) {
return new RoundedRect(rect.x, rect.y, rect.width, rect.height, rect.radius1, rect.radius2, rect.radius3, rect.radius4);
};
RoundedRect.fromCenter = function (rect, width, height) {
return new RoundedRect(rect.gravityCenter.x - width / 2, rect.gravityCenter.y - height / 2, width, height, rect.radius1, rect.radius2, rect.radius3, rect.radius4);
};
RoundedRect.fromPoint = function (point) {
return new RoundedRect(point.x, point.y);
};
RoundedRect.prototype.addPoint = function (point) {
var copy = RoundedRect.fromRoundedRect(this);
copy.x += point.x;
copy.y += point.y;
copy.gravityCenter = this.calculateGravityCenter(copy);
return copy;
};
return RoundedRect;
}());
var SizeExtensions = /** @class */ (function () {
function SizeExtensions() {
}
SizeExtensions.initialize = function (width, height) {
if (width === void 0) { width = 0; }
if (height === void 0) { height = 0; }
return { width: width, height: height };
};
SizeExtensions.isEqual = function (size1, size2) {
return size1.width === size2.width && size1.height === size2.height;
};
SizeExtensions.offsetFromElement = function (element) {
if (element instanceof SVGGraphicsElement) {
var bBox = element.getBBox();
return SizeExtensions.initialize(bBox.width, bBox.height);
}
else if (element instanceof HTMLElement) {
return SizeExtensions.initialize(element.offsetWidth, element.offsetHeight);
}
return undefined;
};
return SizeExtensions;
}());
function defaultTransformModel() {
return {
position: PointExtensions.initialize(),
scaledPosition: PointExtensions.initialize(),
scale: 1,
rotate: 0
};
}
function parseTransformModel(value) {
var result;
if (value) {
value = value.replace('matrix(', '');
value = value.replace(')', '');
var values = value.split(' ');
result = {
position: {
x: Number(values[4]),
y: Number(values[5])
},
scaledPosition: PointExtensions.initialize(),
scale: Number(values[0]),
rotate: 0
};
}
return result;
}
var TransformModelExtensions = /** @class */ (function () {
function TransformModelExtensions() {
}
TransformModelExtensions.toString = function (transform) {
var position = PointExtensions.sum(transform.position, transform.scaledPosition);
return "matrix(" + transform.scale + ", 0, 0, " + transform.scale + ", " + position.x + ", " + position.y + ")";
};
TransformModelExtensions.fromString = function (value) {
return parseTransformModel(value);
};
TransformModelExtensions.default = function () {
return defaultTransformModel();
};
return TransformModelExtensions;
}());
var VectorExtensions = /** @class */ (function () {
function VectorExtensions() {
}
VectorExtensions.initialize = function (x, y) {
if (x === void 0) { x = 0; }
if (y === void 0) { y = 0; }
return PointExtensions.initialize(x, y);
};
VectorExtensions.fromPoints = function (p1, p2) {
return VectorExtensions.initialize(p2.x - p1.x, p2.y - p1.y);
};
VectorExtensions.vectorLength = function (v) {
return Math.sqrt(VectorExtensions.magnitudeSquared(v));
};
VectorExtensions.magnitudeSquared = function (v) {
return v.x * v.x + v.y * v.y;
};
VectorExtensions.dotProduct = function (v1, v2) {
return v1.x * v2.x + v1.y * v2.y;
};
VectorExtensions.crossProduct = function (v1, v2) {
return v1.x * v2.y - v1.y * v2.x;
};
VectorExtensions.subtract = function (v1, v2) {
return VectorExtensions.initialize(v1.x - v2.x, v1.y - v2.y);
};
VectorExtensions.add = function (v1, v2) {
return VectorExtensions.initialize(v1.x + v2.x, v1.y + v2.y);
};
VectorExtensions.scale = function (v, value) {
return VectorExtensions.initialize(v.x * value, v.y * value);
};
VectorExtensions.angle = function (v1, v2) {
var radians = Math.acos(Math.max(-1, Math.min(VectorExtensions.dotProduct(v1, v2) / (VectorExtensions.vectorLength(v1) * VectorExtensions.vectorLength(v2)), 1)));
return (VectorExtensions.crossProduct(v1, v2) < 0.0) ? -radians : radians;
};
return VectorExtensions;
}());
var ShapeParser = /** @class */ (function () {
function ShapeParser() {
}
// public static getSegments(rect: IRoundedRect): (Arc | Line)[] {
// return this.parseRect(rect);
// }
/**
* Parses the rounded rectangle into its constituent segments (arcs and lines).
* @param rect - The rounded rectangle to parse.
* @returns An array of arcs and lines representing the rectangle.
*/
ShapeParser.parseRoundedRect = function (rect) {
var degree90 = Math.PI * 0.5;
var x0 = rect.x;
var y0 = rect.y;
var x1 = rect.x + rect.width;
var y1 = rect.y + rect.height;
var topLeftX = rect.x + rect.radius1;
var topLeftY = rect.y + rect.radius1;
var topRightX = rect.x + rect.width - rect.radius2;
var topRightY = rect.y + rect.radius2;
var bottomRightX = rect.x + rect.width - rect.radius3;
var bottomRightY = rect.y + rect.height - rect.radius3;
var bottomLeftX = rect.x + rect.radius4;
var bottomLeftY = rect.y + rect.height - rect.radius4;
return [
new Arc({ x: topLeftX, y: topLeftY }, rect.radius1, rect.radius1, 2 * degree90, 3 * degree90),
new Line({ x: topLeftX, y: y0 }, { x: topRightX, y: y0 }),
new Arc({ x: topRightX, y: topRightY }, rect.radius2, rect.radius2, 3 * degree90, 4 * degree90),
new Line({ x: x1, y: topRightY }, { x: x1, y: bottomRightY }),
new Arc({ x: bottomRightX, y: bottomRightY }, rect.radius3, rect.radius3, 0, degree90),
new Line({ x: bottomRightX, y: y1 }, { x: bottomLeftX, y: y1 }),
new Arc({ x: bottomLeftX, y: bottomLeftY }, rect.radius4, rect.radius4, degree90, 2 * degree90),
new Line({ x: x0, y: bottomLeftY }, { x: x0, y: topLeftY }),
];
};
return ShapeParser;
}());
/**
* The GetIntersections class is designed to find intersection points between
* line segments and various geometric shapes. Currently, it supports rectangles,
* circles, and ellipses. In the future, support for additional shapes will be added.
*/
var GetIntersections = /** @class */ (function () {
function GetIntersections() {
}
/**
* Finds the guaranteed intersection points between a line segment and a rounded rectangle.
* @param from - Starting point of the line segment.
* @param to - Ending point of the line segment.
* @param rect - The rect to check for intersections.
* @returns An array of intersection points.
*/
GetIntersections.getRoundedRectIntersections = function (from, to, rect) {
var e_1, _a;
var segments = ShapeParser.parseRoundedRect(rect);
try {
for (var segments_1 = __values(segments), segments_1_1 = segments_1.next(); !segments_1_1.done; segments_1_1 = segments_1.next()) {
var segment = segments_1_1.value;
if (segment instanceof Arc) {
var intersections = this.intersectArcWithLine(segment, from, to);
if (intersections.length > 0) {
return intersections;
}
}
else if (segment instanceof Line) {
var intersection = this.intersectLineSegments(from, to, segment.point1, segment.point2);
if (intersection) {
return [intersection];
}
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (segments_1_1 && !segments_1_1.done && (_a = segments_1.return)) _a.call(segments_1);
}
finally { if (e_1) throw e_1.error; }
}
return [];
};
/**
* Finds the intersection points between a line segment and an SVG path.
* @param path - The SVG path to check for intersections.
* @param rect - The rect to check for intersections.
* @returns An array of intersection points.
*/
GetIntersections.getRoundedRectIntersectionsWithSVGPath = function (path, rect) {
var pathLength = path.getTotalLength();
var points = [];
for (var i = 0; i <= pathLength; i += 1) {
var point = path.getPointAtLength(i);
points.push({ x: point.x, y: point.y });
}
for (var i = 1; i < points.length; i++) {
var intersections = this.getRoundedRectIntersections(points[i - 1], points[i], rect);
if (intersections.length > 0) {
return intersections;
}
}
return [];
};
/**
* Finds the intersection points between an arc and a line segment.
* @param arc - The arc to check for intersections.
* @param from - Starting point of the line segment.
* @param to - Ending point of the line segment.
* @returns An array of intersection points.
*/
GetIntersections.intersectArcWithLine = function (arc, from, to) {
return this.filterPointsWithinArc(this.findEllipseLineIntersections(arc.center, arc.radiusX, arc.radiusY, from, to), arc);
};
/**
* Finds the intersection point between two l