svgedit/dist/redirect-on-lacking-support.js

2288 lines
63 KiB
JavaScript

(function () {
'use strict';
/* eslint-disable import/unambiguous */
/* globals SVGPathSeg, SVGPathSegMovetoRel, SVGPathSegMovetoAbs,
SVGPathSegMovetoRel, SVGPathSegLinetoRel, SVGPathSegLinetoAbs,
SVGPathSegLinetoHorizontalRel, SVGPathSegLinetoHorizontalAbs,
SVGPathSegLinetoVerticalRel, SVGPathSegLinetoVerticalAbs,
SVGPathSegClosePath, SVGPathSegCurvetoCubicRel,
SVGPathSegCurvetoCubicAbs, SVGPathSegCurvetoCubicSmoothRel,
SVGPathSegCurvetoCubicSmoothAbs, SVGPathSegCurvetoQuadraticRel,
SVGPathSegCurvetoQuadraticAbs, SVGPathSegCurvetoQuadraticSmoothRel,
SVGPathSegCurvetoQuadraticSmoothAbs, SVGPathSegArcRel, SVGPathSegArcAbs */
/**
* SVGPathSeg API polyfill
* https://github.com/progers/pathseg
*
* This is a drop-in replacement for the `SVGPathSeg` and `SVGPathSegList` APIs
* that were removed from SVG2 ({@link https://lists.w3.org/Archives/Public/www-svg/2015Jun/0044.html}),
* including the latest spec changes which were implemented in Firefox 43 and
* Chrome 46.
*/
/* eslint-disable no-shadow, class-methods-use-this, jsdoc/require-jsdoc */
// Linting: We avoid `no-shadow` as ESLint thinks these are still available globals
// Linting: We avoid `class-methods-use-this` as this is a polyfill that must
// follow the conventions
(() => {
if (!('SVGPathSeg' in window)) {
// Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg
class SVGPathSeg {
constructor(type, typeAsLetter, owningPathSegList) {
this.pathSegType = type;
this.pathSegTypeAsLetter = typeAsLetter;
this._owningPathSegList = owningPathSegList;
} // Notify owning PathSegList on any changes so they can be synchronized back to the path element.
_segmentChanged() {
if (this._owningPathSegList) {
this._owningPathSegList.segmentChanged(this);
}
}
}
SVGPathSeg.prototype.classname = 'SVGPathSeg';
SVGPathSeg.PATHSEG_UNKNOWN = 0;
SVGPathSeg.PATHSEG_CLOSEPATH = 1;
SVGPathSeg.PATHSEG_MOVETO_ABS = 2;
SVGPathSeg.PATHSEG_MOVETO_REL = 3;
SVGPathSeg.PATHSEG_LINETO_ABS = 4;
SVGPathSeg.PATHSEG_LINETO_REL = 5;
SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS = 6;
SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL = 7;
SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS = 8;
SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL = 9;
SVGPathSeg.PATHSEG_ARC_ABS = 10;
SVGPathSeg.PATHSEG_ARC_REL = 11;
SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS = 12;
SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL = 13;
SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS = 14;
SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL = 15;
SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = 16;
SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL = 17;
SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;
SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;
class SVGPathSegClosePath extends SVGPathSeg {
constructor(owningPathSegList) {
super(SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList);
}
toString() {
return '[object SVGPathSegClosePath]';
}
_asPathString() {
return this.pathSegTypeAsLetter;
}
clone() {
return new SVGPathSegClosePath(undefined);
}
}
class SVGPathSegMovetoAbs extends SVGPathSeg {
constructor(owningPathSegList, x, y) {
super(SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList);
this._x = x;
this._y = y;
}
toString() {
return '[object SVGPathSegMovetoAbs]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegMovetoAbs(undefined, this._x, this._y);
}
}
Object.defineProperties(SVGPathSegMovetoAbs.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
}
});
class SVGPathSegMovetoRel extends SVGPathSeg {
constructor(owningPathSegList, x, y) {
super(SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList);
this._x = x;
this._y = y;
}
toString() {
return '[object SVGPathSegMovetoRel]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegMovetoRel(undefined, this._x, this._y);
}
}
Object.defineProperties(SVGPathSegMovetoRel.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
}
});
class SVGPathSegLinetoAbs extends SVGPathSeg {
constructor(owningPathSegList, x, y) {
super(SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList);
this._x = x;
this._y = y;
}
toString() {
return '[object SVGPathSegLinetoAbs]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegLinetoAbs(undefined, this._x, this._y);
}
}
Object.defineProperties(SVGPathSegLinetoAbs.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
}
});
class SVGPathSegLinetoRel extends SVGPathSeg {
constructor(owningPathSegList, x, y) {
super(SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList);
this._x = x;
this._y = y;
}
toString() {
return '[object SVGPathSegLinetoRel]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegLinetoRel(undefined, this._x, this._y);
}
}
Object.defineProperties(SVGPathSegLinetoRel.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
}
});
class SVGPathSegCurvetoCubicAbs extends SVGPathSeg {
constructor(owningPathSegList, x, y, x1, y1, x2, y2) {
super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList);
this._x = x;
this._y = y;
this._x1 = x1;
this._y1 = y1;
this._x2 = x2;
this._y2 = y2;
}
toString() {
return '[object SVGPathSegCurvetoCubicAbs]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
}
}
Object.defineProperties(SVGPathSegCurvetoCubicAbs.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
},
x1: {
get() {
return this._x1;
},
set(x1) {
this._x1 = x1;
this._segmentChanged();
},
enumerable: true
},
y1: {
get() {
return this._y1;
},
set(y1) {
this._y1 = y1;
this._segmentChanged();
},
enumerable: true
},
x2: {
get() {
return this._x2;
},
set(x2) {
this._x2 = x2;
this._segmentChanged();
},
enumerable: true
},
y2: {
get() {
return this._y2;
},
set(y2) {
this._y2 = y2;
this._segmentChanged();
},
enumerable: true
}
});
class SVGPathSegCurvetoCubicRel extends SVGPathSeg {
constructor(owningPathSegList, x, y, x1, y1, x2, y2) {
super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList);
this._x = x;
this._y = y;
this._x1 = x1;
this._y1 = y1;
this._x2 = x2;
this._y2 = y2;
}
toString() {
return '[object SVGPathSegCurvetoCubicRel]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
}
}
Object.defineProperties(SVGPathSegCurvetoCubicRel.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
},
x1: {
get() {
return this._x1;
},
set(x1) {
this._x1 = x1;
this._segmentChanged();
},
enumerable: true
},
y1: {
get() {
return this._y1;
},
set(y1) {
this._y1 = y1;
this._segmentChanged();
},
enumerable: true
},
x2: {
get() {
return this._x2;
},
set(x2) {
this._x2 = x2;
this._segmentChanged();
},
enumerable: true
},
y2: {
get() {
return this._y2;
},
set(y2) {
this._y2 = y2;
this._segmentChanged();
},
enumerable: true
}
});
class SVGPathSegCurvetoQuadraticAbs extends SVGPathSeg {
constructor(owningPathSegList, x, y, x1, y1) {
super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList);
this._x = x;
this._y = y;
this._x1 = x1;
this._y1 = y1;
}
toString() {
return '[object SVGPathSegCurvetoQuadraticAbs]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);
}
}
Object.defineProperties(SVGPathSegCurvetoQuadraticAbs.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
},
x1: {
get() {
return this._x1;
},
set(x1) {
this._x1 = x1;
this._segmentChanged();
},
enumerable: true
},
y1: {
get() {
return this._y1;
},
set(y1) {
this._y1 = y1;
this._segmentChanged();
},
enumerable: true
}
});
class SVGPathSegCurvetoQuadraticRel extends SVGPathSeg {
constructor(owningPathSegList, x, y, x1, y1) {
super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList);
this._x = x;
this._y = y;
this._x1 = x1;
this._y1 = y1;
}
toString() {
return '[object SVGPathSegCurvetoQuadraticRel]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1);
}
}
Object.defineProperties(SVGPathSegCurvetoQuadraticRel.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
},
x1: {
get() {
return this._x1;
},
set(x1) {
this._x1 = x1;
this._segmentChanged();
},
enumerable: true
},
y1: {
get() {
return this._y1;
},
set(y1) {
this._y1 = y1;
this._segmentChanged();
},
enumerable: true
}
});
class SVGPathSegArcAbs extends SVGPathSeg {
constructor(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
super(SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList);
this._x = x;
this._y = y;
this._r1 = r1;
this._r2 = r2;
this._angle = angle;
this._largeArcFlag = largeArcFlag;
this._sweepFlag = sweepFlag;
}
toString() {
return '[object SVGPathSegArcAbs]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
}
}
Object.defineProperties(SVGPathSegArcAbs.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
},
r1: {
get() {
return this._r1;
},
set(r1) {
this._r1 = r1;
this._segmentChanged();
},
enumerable: true
},
r2: {
get() {
return this._r2;
},
set(r2) {
this._r2 = r2;
this._segmentChanged();
},
enumerable: true
},
angle: {
get() {
return this._angle;
},
set(angle) {
this._angle = angle;
this._segmentChanged();
},
enumerable: true
},
largeArcFlag: {
get() {
return this._largeArcFlag;
},
set(largeArcFlag) {
this._largeArcFlag = largeArcFlag;
this._segmentChanged();
},
enumerable: true
},
sweepFlag: {
get() {
return this._sweepFlag;
},
set(sweepFlag) {
this._sweepFlag = sweepFlag;
this._segmentChanged();
},
enumerable: true
}
});
class SVGPathSegArcRel extends SVGPathSeg {
constructor(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
super(SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList);
this._x = x;
this._y = y;
this._r1 = r1;
this._r2 = r2;
this._angle = angle;
this._largeArcFlag = largeArcFlag;
this._sweepFlag = sweepFlag;
}
toString() {
return '[object SVGPathSegArcRel]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
}
}
Object.defineProperties(SVGPathSegArcRel.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
},
r1: {
get() {
return this._r1;
},
set(r1) {
this._r1 = r1;
this._segmentChanged();
},
enumerable: true
},
r2: {
get() {
return this._r2;
},
set(r2) {
this._r2 = r2;
this._segmentChanged();
},
enumerable: true
},
angle: {
get() {
return this._angle;
},
set(angle) {
this._angle = angle;
this._segmentChanged();
},
enumerable: true
},
largeArcFlag: {
get() {
return this._largeArcFlag;
},
set(largeArcFlag) {
this._largeArcFlag = largeArcFlag;
this._segmentChanged();
},
enumerable: true
},
sweepFlag: {
get() {
return this._sweepFlag;
},
set(sweepFlag) {
this._sweepFlag = sweepFlag;
this._segmentChanged();
},
enumerable: true
}
});
class SVGPathSegLinetoHorizontalAbs extends SVGPathSeg {
constructor(owningPathSegList, x) {
super(SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList);
this._x = x;
}
toString() {
return '[object SVGPathSegLinetoHorizontalAbs]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x;
}
clone() {
return new SVGPathSegLinetoHorizontalAbs(undefined, this._x);
}
}
Object.defineProperty(SVGPathSegLinetoHorizontalAbs.prototype, 'x', {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
});
class SVGPathSegLinetoHorizontalRel extends SVGPathSeg {
constructor(owningPathSegList, x) {
super(SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList);
this._x = x;
}
toString() {
return '[object SVGPathSegLinetoHorizontalRel]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x;
}
clone() {
return new SVGPathSegLinetoHorizontalRel(undefined, this._x);
}
}
Object.defineProperty(SVGPathSegLinetoHorizontalRel.prototype, 'x', {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
});
class SVGPathSegLinetoVerticalAbs extends SVGPathSeg {
constructor(owningPathSegList, y) {
super(SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList);
this._y = y;
}
toString() {
return '[object SVGPathSegLinetoVerticalAbs]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._y;
}
clone() {
return new SVGPathSegLinetoVerticalAbs(undefined, this._y);
}
}
Object.defineProperty(SVGPathSegLinetoVerticalAbs.prototype, 'y', {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
});
class SVGPathSegLinetoVerticalRel extends SVGPathSeg {
constructor(owningPathSegList, y) {
super(SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList);
this._y = y;
}
toString() {
return '[object SVGPathSegLinetoVerticalRel]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._y;
}
clone() {
return new SVGPathSegLinetoVerticalRel(undefined, this._y);
}
}
Object.defineProperty(SVGPathSegLinetoVerticalRel.prototype, 'y', {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
});
class SVGPathSegCurvetoCubicSmoothAbs extends SVGPathSeg {
constructor(owningPathSegList, x, y, x2, y2) {
super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList);
this._x = x;
this._y = y;
this._x2 = x2;
this._y2 = y2;
}
toString() {
return '[object SVGPathSegCurvetoCubicSmoothAbs]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);
}
}
Object.defineProperties(SVGPathSegCurvetoCubicSmoothAbs.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
},
x2: {
get() {
return this._x2;
},
set(x2) {
this._x2 = x2;
this._segmentChanged();
},
enumerable: true
},
y2: {
get() {
return this._y2;
},
set(y2) {
this._y2 = y2;
this._segmentChanged();
},
enumerable: true
}
});
class SVGPathSegCurvetoCubicSmoothRel extends SVGPathSeg {
constructor(owningPathSegList, x, y, x2, y2) {
super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList);
this._x = x;
this._y = y;
this._x2 = x2;
this._y2 = y2;
}
toString() {
return '[object SVGPathSegCurvetoCubicSmoothRel]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2);
}
}
Object.defineProperties(SVGPathSegCurvetoCubicSmoothRel.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
},
x2: {
get() {
return this._x2;
},
set(x2) {
this._x2 = x2;
this._segmentChanged();
},
enumerable: true
},
y2: {
get() {
return this._y2;
},
set(y2) {
this._y2 = y2;
this._segmentChanged();
},
enumerable: true
}
});
class SVGPathSegCurvetoQuadraticSmoothAbs extends SVGPathSeg {
constructor(owningPathSegList, x, y) {
super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList);
this._x = x;
this._y = y;
}
toString() {
return '[object SVGPathSegCurvetoQuadraticSmoothAbs]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y);
}
}
Object.defineProperties(SVGPathSegCurvetoQuadraticSmoothAbs.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
}
});
class SVGPathSegCurvetoQuadraticSmoothRel extends SVGPathSeg {
constructor(owningPathSegList, x, y) {
super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList);
this._x = x;
this._y = y;
}
toString() {
return '[object SVGPathSegCurvetoQuadraticSmoothRel]';
}
_asPathString() {
return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
}
clone() {
return new SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y);
}
}
Object.defineProperties(SVGPathSegCurvetoQuadraticSmoothRel.prototype, {
x: {
get() {
return this._x;
},
set(x) {
this._x = x;
this._segmentChanged();
},
enumerable: true
},
y: {
get() {
return this._y;
},
set(y) {
this._y = y;
this._segmentChanged();
},
enumerable: true
}
}); // Add createSVGPathSeg* functions to SVGPathElement.
// Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathElement.
SVGPathElement.prototype.createSVGPathSegClosePath = function () {
return new SVGPathSegClosePath(undefined);
};
SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) {
return new SVGPathSegMovetoAbs(undefined, x, y);
};
SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) {
return new SVGPathSegMovetoRel(undefined, x, y);
};
SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) {
return new SVGPathSegLinetoAbs(undefined, x, y);
};
SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) {
return new SVGPathSegLinetoRel(undefined, x, y);
};
SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) {
return new SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2);
};
SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) {
return new SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2);
};
SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) {
return new SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1);
};
SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) {
return new SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1);
};
SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
return new SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
};
SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
return new SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
};
SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) {
return new SVGPathSegLinetoHorizontalAbs(undefined, x);
};
SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) {
return new SVGPathSegLinetoHorizontalRel(undefined, x);
};
SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) {
return new SVGPathSegLinetoVerticalAbs(undefined, y);
};
SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) {
return new SVGPathSegLinetoVerticalRel(undefined, y);
};
SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) {
return new SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2);
};
SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) {
return new SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2);
};
SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) {
return new SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y);
};
SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) {
return new SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y);
};
if (!('getPathSegAtLength' in SVGPathElement.prototype)) {
// Add getPathSegAtLength to SVGPathElement.
// Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-__svg__SVGPathElement__getPathSegAtLength
// This polyfill requires SVGPathElement.getTotalLength to implement the distance-along-a-path algorithm.
SVGPathElement.prototype.getPathSegAtLength = function (distance) {
if (distance === undefined || !isFinite(distance)) {
throw new Error('Invalid arguments.');
}
const measurementElement = document.createElementNS('http://www.w3.org/2000/svg', 'path');
measurementElement.setAttribute('d', this.getAttribute('d'));
let lastPathSegment = measurementElement.pathSegList.numberOfItems - 1; // If the path is empty, return 0.
if (lastPathSegment <= 0) {
return 0;
}
do {
measurementElement.pathSegList.removeItem(lastPathSegment);
if (distance > measurementElement.getTotalLength()) {
break;
}
lastPathSegment--;
} while (lastPathSegment > 0);
return lastPathSegment;
};
}
window.SVGPathSeg = SVGPathSeg;
window.SVGPathSegClosePath = SVGPathSegClosePath;
window.SVGPathSegMovetoAbs = SVGPathSegMovetoAbs;
window.SVGPathSegMovetoRel = SVGPathSegMovetoRel;
window.SVGPathSegLinetoAbs = SVGPathSegLinetoAbs;
window.SVGPathSegLinetoRel = SVGPathSegLinetoRel;
window.SVGPathSegCurvetoCubicAbs = SVGPathSegCurvetoCubicAbs;
window.SVGPathSegCurvetoCubicRel = SVGPathSegCurvetoCubicRel;
window.SVGPathSegCurvetoQuadraticAbs = SVGPathSegCurvetoQuadraticAbs;
window.SVGPathSegCurvetoQuadraticRel = SVGPathSegCurvetoQuadraticRel;
window.SVGPathSegArcAbs = SVGPathSegArcAbs;
window.SVGPathSegArcRel = SVGPathSegArcRel;
window.SVGPathSegLinetoHorizontalAbs = SVGPathSegLinetoHorizontalAbs;
window.SVGPathSegLinetoHorizontalRel = SVGPathSegLinetoHorizontalRel;
window.SVGPathSegLinetoVerticalAbs = SVGPathSegLinetoVerticalAbs;
window.SVGPathSegLinetoVerticalRel = SVGPathSegLinetoVerticalRel;
window.SVGPathSegCurvetoCubicSmoothAbs = SVGPathSegCurvetoCubicSmoothAbs;
window.SVGPathSegCurvetoCubicSmoothRel = SVGPathSegCurvetoCubicSmoothRel;
window.SVGPathSegCurvetoQuadraticSmoothAbs = SVGPathSegCurvetoQuadraticSmoothAbs;
window.SVGPathSegCurvetoQuadraticSmoothRel = SVGPathSegCurvetoQuadraticSmoothRel;
} // Checking for SVGPathSegList in window checks for the case of an implementation without the
// SVGPathSegList API.
// The second check for appendItem is specific to Firefox 59+ which removed only parts of the
// SVGPathSegList API (e.g., appendItem). In this case we need to re-implement the entire API
// so the polyfill data (i.e., _list) is used throughout.
if (!('SVGPathSegList' in window) || !('appendItem' in window.SVGPathSegList.prototype)) {
// Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList
class SVGPathSegList {
constructor(pathElement) {
this._pathElement = pathElement;
this._list = this._parsePath(this._pathElement.getAttribute('d')); // Use a MutationObserver to catch changes to the path's "d" attribute.
this._mutationObserverConfig = {
attributes: true,
attributeFilter: ['d']
};
this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this));
this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
} // Process any pending mutations to the path element and update the list as needed.
// This should be the first call of all public functions and is needed because
// MutationObservers are not synchronous so we can have pending asynchronous mutations.
_checkPathSynchronizedToList() {
this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());
}
_updateListFromPathMutations(mutationRecords) {
if (!this._pathElement) {
return;
}
let hasPathMutations = false;
mutationRecords.forEach(record => {
if (record.attributeName === 'd') {
hasPathMutations = true;
}
});
if (hasPathMutations) {
this._list = this._parsePath(this._pathElement.getAttribute('d'));
}
} // Serialize the list and update the path's 'd' attribute.
_writeListToPath() {
this._pathElementMutationObserver.disconnect();
this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));
this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
} // When a path segment changes the list needs to be synchronized back to the path element.
segmentChanged(pathSeg) {
this._writeListToPath();
}
clear() {
this._checkPathSynchronizedToList();
this._list.forEach(pathSeg => {
pathSeg._owningPathSegList = null;
});
this._list = [];
this._writeListToPath();
}
initialize(newItem) {
this._checkPathSynchronizedToList();
this._list = [newItem];
newItem._owningPathSegList = this;
this._writeListToPath();
return newItem;
}
_checkValidIndex(index) {
if (isNaN(index) || index < 0 || index >= this.numberOfItems) {
throw new Error('INDEX_SIZE_ERR');
}
}
getItem(index) {
this._checkPathSynchronizedToList();
this._checkValidIndex(index);
return this._list[index];
}
insertItemBefore(newItem, index) {
this._checkPathSynchronizedToList(); // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
if (index > this.numberOfItems) {
index = this.numberOfItems;
}
if (newItem._owningPathSegList) {
// SVG2 spec says to make a copy.
newItem = newItem.clone();
}
this._list.splice(index, 0, newItem);
newItem._owningPathSegList = this;
this._writeListToPath();
return newItem;
}
replaceItem(newItem, index) {
this._checkPathSynchronizedToList();
if (newItem._owningPathSegList) {
// SVG2 spec says to make a copy.
newItem = newItem.clone();
}
this._checkValidIndex(index);
this._list[index] = newItem;
newItem._owningPathSegList = this;
this._writeListToPath();
return newItem;
}
removeItem(index) {
this._checkPathSynchronizedToList();
this._checkValidIndex(index);
const item = this._list[index];
this._list.splice(index, 1);
this._writeListToPath();
return item;
}
appendItem(newItem) {
this._checkPathSynchronizedToList();
if (newItem._owningPathSegList) {
// SVG2 spec says to make a copy.
newItem = newItem.clone();
}
this._list.push(newItem);
newItem._owningPathSegList = this; // TODO: Optimize this to just append to the existing attribute.
this._writeListToPath();
return newItem;
} // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
_parsePath(string) {
if (!string || !string.length) {
return [];
}
const owningPathSegList = this; // eslint-disable-line consistent-this
class Builder {
constructor() {
this.pathSegList = [];
}
appendSegment(pathSeg) {
this.pathSegList.push(pathSeg);
}
}
class Source {
constructor(string) {
this._string = string;
this._currentIndex = 0;
this._endIndex = this._string.length;
this._previousCommand = SVGPathSeg.PATHSEG_UNKNOWN;
this._skipOptionalSpaces();
}
_isCurrentSpace() {
const character = this._string[this._currentIndex];
return character <= ' ' && (character === ' ' || character === '\n' || character === '\t' || character === '\r' || character === '\f');
}
_skipOptionalSpaces() {
while (this._currentIndex < this._endIndex && this._isCurrentSpace()) {
this._currentIndex++;
}
return this._currentIndex < this._endIndex;
}
_skipOptionalSpacesOrDelimiter() {
if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) !== ',') {
return false;
}
if (this._skipOptionalSpaces()) {
if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === ',') {
this._currentIndex++;
this._skipOptionalSpaces();
}
}
return this._currentIndex < this._endIndex;
}
hasMoreData() {
return this._currentIndex < this._endIndex;
}
peekSegmentType() {
const lookahead = this._string[this._currentIndex];
return this._pathSegTypeFromChar(lookahead);
}
_pathSegTypeFromChar(lookahead) {
switch (lookahead) {
case 'Z':
case 'z':
return SVGPathSeg.PATHSEG_CLOSEPATH;
case 'M':
return SVGPathSeg.PATHSEG_MOVETO_ABS;
case 'm':
return SVGPathSeg.PATHSEG_MOVETO_REL;
case 'L':
return SVGPathSeg.PATHSEG_LINETO_ABS;
case 'l':
return SVGPathSeg.PATHSEG_LINETO_REL;
case 'C':
return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;
case 'c':
return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;
case 'Q':
return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;
case 'q':
return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;
case 'A':
return SVGPathSeg.PATHSEG_ARC_ABS;
case 'a':
return SVGPathSeg.PATHSEG_ARC_REL;
case 'H':
return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;
case 'h':
return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;
case 'V':
return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;
case 'v':
return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;
case 'S':
return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;
case 's':
return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;
case 'T':
return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;
case 't':
return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;
default:
return SVGPathSeg.PATHSEG_UNKNOWN;
}
}
_nextCommandHelper(lookahead, previousCommand) {
// Check for remaining coordinates in the current command.
if ((lookahead === '+' || lookahead === '-' || lookahead === '.' || lookahead >= '0' && lookahead <= '9') && previousCommand !== SVGPathSeg.PATHSEG_CLOSEPATH) {
if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_ABS) {
return SVGPathSeg.PATHSEG_LINETO_ABS;
}
if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_REL) {
return SVGPathSeg.PATHSEG_LINETO_REL;
}
return previousCommand;
}
return SVGPathSeg.PATHSEG_UNKNOWN;
}
initialCommandIsMoveTo() {
// If the path is empty it is still valid, so return true.
if (!this.hasMoreData()) {
return true;
}
const command = this.peekSegmentType(); // Path must start with moveTo.
return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;
} // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
// Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF
_parseNumber() {
let exponent = 0;
let integer = 0;
let frac = 1;
let decimal = 0;
let sign = 1;
let expsign = 1;
const startIndex = this._currentIndex;
this._skipOptionalSpaces(); // Read the sign.
if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '+') {
this._currentIndex++;
} else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '-') {
this._currentIndex++;
sign = -1;
}
if (this._currentIndex === this._endIndex || (this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') && this._string.charAt(this._currentIndex) !== '.') {
// The first character of a number must be one of [0-9+-.].
return undefined;
} // Read the integer part, build right-to-left.
const startIntPartIndex = this._currentIndex;
while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
this._currentIndex++; // Advance to first non-digit.
}
if (this._currentIndex !== startIntPartIndex) {
let scanIntPartIndex = this._currentIndex - 1;
let multiplier = 1;
while (scanIntPartIndex >= startIntPartIndex) {
integer += multiplier * (this._string.charAt(scanIntPartIndex--) - '0');
multiplier *= 10;
}
} // Read the decimals.
if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '.') {
this._currentIndex++; // There must be a least one digit following the .
if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {
return undefined;
}
while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
frac *= 10;
decimal += (this._string.charAt(this._currentIndex) - '0') / frac;
this._currentIndex += 1;
}
} // Read the exponent part.
if (this._currentIndex !== startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) === 'e' || this._string.charAt(this._currentIndex) === 'E') && this._string.charAt(this._currentIndex + 1) !== 'x' && this._string.charAt(this._currentIndex + 1) !== 'm') {
this._currentIndex++; // Read the sign of the exponent.
if (this._string.charAt(this._currentIndex) === '+') {
this._currentIndex++;
} else if (this._string.charAt(this._currentIndex) === '-') {
this._currentIndex++;
expsign = -1;
} // There must be an exponent.
if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {
return undefined;
}
while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
exponent *= 10;
exponent += this._string.charAt(this._currentIndex) - '0';
this._currentIndex++;
}
}
let number = integer + decimal;
number *= sign;
if (exponent) {
number *= 10 ** (expsign * exponent);
}
if (startIndex === this._currentIndex) {
return undefined;
}
this._skipOptionalSpacesOrDelimiter();
return number;
}
_parseArcFlag() {
if (this._currentIndex >= this._endIndex) {
return undefined;
}
let flag = false;
const flagChar = this._string.charAt(this._currentIndex++);
if (flagChar === '0') {
flag = false;
} else if (flagChar === '1') {
flag = true;
} else {
return undefined;
}
this._skipOptionalSpacesOrDelimiter();
return flag;
}
parseSegment() {
const lookahead = this._string[this._currentIndex];
let command = this._pathSegTypeFromChar(lookahead);
if (command === SVGPathSeg.PATHSEG_UNKNOWN) {
// Possibly an implicit command. Not allowed if this is the first command.
if (this._previousCommand === SVGPathSeg.PATHSEG_UNKNOWN) {
return null;
}
command = this._nextCommandHelper(lookahead, this._previousCommand);
if (command === SVGPathSeg.PATHSEG_UNKNOWN) {
return null;
}
} else {
this._currentIndex++;
}
this._previousCommand = command;
switch (command) {
case SVGPathSeg.PATHSEG_MOVETO_REL:
return new SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_MOVETO_ABS:
return new SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_REL:
return new SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_ABS:
return new SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:
return new SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:
return new SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:
return new SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());
case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:
return new SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());
case SVGPathSeg.PATHSEG_CLOSEPATH:
this._skipOptionalSpaces();
return new SVGPathSegClosePath(owningPathSegList);
case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:
{
const points = {
x1: this._parseNumber(),
y1: this._parseNumber(),
x2: this._parseNumber(),
y2: this._parseNumber(),
x: this._parseNumber(),
y: this._parseNumber()
};
return new SVGPathSegCurvetoCubicRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);
}
case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
{
const points = {
x1: this._parseNumber(),
y1: this._parseNumber(),
x2: this._parseNumber(),
y2: this._parseNumber(),
x: this._parseNumber(),
y: this._parseNumber()
};
return new SVGPathSegCurvetoCubicAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);
}
case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
{
const points = {
x2: this._parseNumber(),
y2: this._parseNumber(),
x: this._parseNumber(),
y: this._parseNumber()
};
return new SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, points.x, points.y, points.x2, points.y2);
}
case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
{
const points = {
x2: this._parseNumber(),
y2: this._parseNumber(),
x: this._parseNumber(),
y: this._parseNumber()
};
return new SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, points.x, points.y, points.x2, points.y2);
}
case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
{
const points = {
x1: this._parseNumber(),
y1: this._parseNumber(),
x: this._parseNumber(),
y: this._parseNumber()
};
return new SVGPathSegCurvetoQuadraticRel(owningPathSegList, points.x, points.y, points.x1, points.y1);
}
case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
{
const points = {
x1: this._parseNumber(),
y1: this._parseNumber(),
x: this._parseNumber(),
y: this._parseNumber()
};
return new SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);
}
case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:
return new SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:
return new SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
case SVGPathSeg.PATHSEG_ARC_REL:
{
const points = {
x1: this._parseNumber(),
y1: this._parseNumber(),
arcAngle: this._parseNumber(),
arcLarge: this._parseArcFlag(),
arcSweep: this._parseArcFlag(),
x: this._parseNumber(),
y: this._parseNumber()
};
return new SVGPathSegArcRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);
}
case SVGPathSeg.PATHSEG_ARC_ABS:
{
const points = {
x1: this._parseNumber(),
y1: this._parseNumber(),
arcAngle: this._parseNumber(),
arcLarge: this._parseArcFlag(),
arcSweep: this._parseArcFlag(),
x: this._parseNumber(),
y: this._parseNumber()
};
return new SVGPathSegArcAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);
}
default:
throw new Error('Unknown path seg type.');
}
}
}
const builder = new Builder();
const source = new Source(string);
if (!source.initialCommandIsMoveTo()) {
return [];
}
while (source.hasMoreData()) {
const pathSeg = source.parseSegment();
if (!pathSeg) {
return [];
}
builder.appendSegment(pathSeg);
}
return builder.pathSegList;
} // STATIC
static _pathSegArrayAsString(pathSegArray) {
let string = '';
let first = true;
pathSegArray.forEach(pathSeg => {
if (first) {
first = false;
string += pathSeg._asPathString();
} else {
string += ' ' + pathSeg._asPathString();
}
});
return string;
}
}
SVGPathSegList.prototype.classname = 'SVGPathSegList';
Object.defineProperty(SVGPathSegList.prototype, 'numberOfItems', {
get() {
this._checkPathSynchronizedToList();
return this._list.length;
},
enumerable: true
}); // Add the pathSegList accessors to SVGPathElement.
// Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData
Object.defineProperties(SVGPathElement.prototype, {
pathSegList: {
get() {
if (!this._pathSegList) {
this._pathSegList = new SVGPathSegList(this);
}
return this._pathSegList;
},
enumerable: true
},
// TODO: The following are not implemented and simply return SVGPathElement.pathSegList.
normalizedPathSegList: {
get() {
return this.pathSegList;
},
enumerable: true
},
animatedPathSegList: {
get() {
return this.pathSegList;
},
enumerable: true
},
animatedNormalizedPathSegList: {
get() {
return this.pathSegList;
},
enumerable: true
}
});
window.SVGPathSegList = SVGPathSegList;
}
})();
/**
* Namespaces or tools therefor.
* @module namespaces
* @license MIT
*/
/**
* Common namepaces constants in alpha order.
* @enum {string}
* @type {PlainObject}
* @memberof module:namespaces
*/
const NS = {
HTML: 'http://www.w3.org/1999/xhtml',
MATH: 'http://www.w3.org/1998/Math/MathML',
SE: 'http://svg-edit.googlecode.com',
SVG: 'http://www.w3.org/2000/svg',
XLINK: 'http://www.w3.org/1999/xlink',
XML: 'http://www.w3.org/XML/1998/namespace',
XMLNS: 'http://www.w3.org/2000/xmlns/' // see http://www.w3.org/TR/REC-xml-names/#xmlReserved
};
/* globals jQuery */
const $ = jQuery;
const supportsSVG_ = function () {
return Boolean(document.createElementNS && document.createElementNS(NS.SVG, 'svg').createSVGRect);
}();
/**
* @function module:browser.supportsSvg
* @returns {boolean}
*/
const supportsSvg = () => supportsSVG_;
const {
userAgent
} = navigator;
const svg = document.createElementNS(NS.SVG, 'svg'); // Note: Browser sniffing should only be used if no other detection method is possible
const isWebkit_ = userAgent.includes('AppleWebKit');
const isGecko_ = userAgent.includes('Gecko/');
const isIE_ = userAgent.includes('MSIE');
const isChrome_ = userAgent.includes('Chrome/');
const isWindows_ = userAgent.includes('Windows');
const isMac_ = userAgent.includes('Macintosh');
const supportsSelectors_ = function () {
return Boolean(svg.querySelector);
}();
const supportsPathReplaceItem_ = function () {
const path = document.createElementNS(NS.SVG, 'path');
path.setAttribute('d', 'M0,0 10,10');
const seglist = path.pathSegList;
const seg = path.createSVGPathSegLinetoAbs(5, 5);
try {
seglist.replaceItem(seg, 1);
return true;
} catch (err) {}
return false;
}();
const supportsPathInsertItemBefore_ = function () {
const path = document.createElementNS(NS.SVG, 'path');
path.setAttribute('d', 'M0,0 10,10');
const seglist = path.pathSegList;
const seg = path.createSVGPathSegLinetoAbs(5, 5);
try {
seglist.insertItemBefore(seg, 1);
return true;
} catch (err) {}
return false;
}(); // text character positioning (for IE9 and now Chrome)
const supportsGoodTextCharPos_ = function () {
const svgroot = document.createElementNS(NS.SVG, 'svg');
const svgcontent = document.createElementNS(NS.SVG, 'svg');
document.documentElement.append(svgroot);
svgcontent.setAttribute('x', 5);
svgroot.append(svgcontent);
const text = document.createElementNS(NS.SVG, 'text');
text.textContent = 'a';
svgcontent.append(text);
try {
// Chrome now fails here
const pos = text.getStartPositionOfChar(0).x;
return pos === 0;
} catch (err) {
return false;
} finally {
svgroot.remove();
}
}();
const supportsPathBBox_ = function () {
const svgcontent = document.createElementNS(NS.SVG, 'svg');
document.documentElement.append(svgcontent);
const path = document.createElementNS(NS.SVG, 'path');
path.setAttribute('d', 'M0,0 C0,0 10,10 10,0');
svgcontent.append(path);
const bbox = path.getBBox();
svgcontent.remove();
return bbox.height > 4 && bbox.height < 5;
}(); // Support for correct bbox sizing on groups with horizontal/vertical lines
const supportsHVLineContainerBBox_ = function () {
const svgcontent = document.createElementNS(NS.SVG, 'svg');
document.documentElement.append(svgcontent);
const path = document.createElementNS(NS.SVG, 'path');
path.setAttribute('d', 'M0,0 10,0');
const path2 = document.createElementNS(NS.SVG, 'path');
path2.setAttribute('d', 'M5,0 15,0');
const g = document.createElementNS(NS.SVG, 'g');
g.append(path, path2);
svgcontent.append(g);
const bbox = g.getBBox();
svgcontent.remove(); // Webkit gives 0, FF gives 10, Opera (correctly) gives 15
return bbox.width === 15;
}();
const supportsGoodDecimals_ = function () {
// Correct decimals on clone attributes (Opera < 10.5/win/non-en)
const rect = document.createElementNS(NS.SVG, 'rect');
rect.setAttribute('x', 0.1);
const crect = rect.cloneNode(false);
const retValue = !crect.getAttribute('x').includes(',');
if (!retValue) {
// Todo: i18nize or remove
$.alert('NOTE: This version of Opera is known to contain bugs in SVG-edit.\n' + 'Please upgrade to the <a href="http://opera.com">latest version</a> in which the problems have been fixed.');
}
return retValue;
}();
const supportsNonScalingStroke_ = function () {
const rect = document.createElementNS(NS.SVG, 'rect');
rect.setAttribute('style', 'vector-effect:non-scaling-stroke');
return rect.style.vectorEffect === 'non-scaling-stroke';
}();
let supportsNativeSVGTransformLists_ = function () {
const rect = document.createElementNS(NS.SVG, 'rect');
const rxform = rect.transform.baseVal;
const t1 = svg.createSVGTransform();
rxform.appendItem(t1);
const r1 = rxform.getItem(0);
const isSVGTransform = o => {
// https://developer.mozilla.org/en-US/docs/Web/API/SVGTransform
return o && typeof o === 'object' && typeof o.setMatrix === 'function' && 'angle' in o;
};
return isSVGTransform(r1) && isSVGTransform(t1) && r1.type === t1.type && r1.angle === t1.angle && r1.matrix.a === t1.matrix.a && r1.matrix.b === t1.matrix.b && r1.matrix.c === t1.matrix.c && r1.matrix.d === t1.matrix.d && r1.matrix.e === t1.matrix.e && r1.matrix.f === t1.matrix.f;
}(); // Public API
if (!supportsSvg()) {
window.location = 'browser-not-supported.html';
}
}());