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Fix for Chrome 48 removal of SVGPathSeg and SVGPathSegList APIs

pull/1564/head
Andy Dufilie 9 years ago
parent
8b520aac63
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d1a5c666ac
1 changed files with 817 additions and 0 deletions
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  1. 817
      src/polyfill.js

817
src/polyfill.js
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@ -1,3 +1,5 @@
/* jshint ignore:start */
// PhantomJS doesn't have support for Function.prototype.bind, which has caused confusion. Use
// this polyfill to avoid the confusion.
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind#Polyfill
@ -23,3 +25,818 @@ if (!Function.prototype.bind) {
return fBound;
};
}
//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 (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.
//Chrome 48 removes these APIs, so this polyfill is required.
(function() { "use strict";
if (!("SVGPathSeg" in window)) {
// Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg
window.SVGPathSeg = function(type, typeAsLetter, owningPathSegList) {
this.pathSegType = type;
this.pathSegTypeAsLetter = typeAsLetter;
this._owningPathSegList = owningPathSegList;
}
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;
// Notify owning PathSegList on any changes so they can be synchronized back to the path element.
SVGPathSeg.prototype._segmentChanged = function() {
if (this._owningPathSegList)
this._owningPathSegList.segmentChanged(this);
}
window.SVGPathSegClosePath = function(owningPathSegList) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CLOSEPATH, "z", owningPathSegList);
}
SVGPathSegClosePath.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegClosePath.prototype.toString = function() { return "[object SVGPathSegClosePath]"; }
SVGPathSegClosePath.prototype._asPathString = function() { return this.pathSegTypeAsLetter; }
SVGPathSegClosePath.prototype.clone = function() { return new SVGPathSegClosePath(undefined); }
window.SVGPathSegMovetoAbs = function(owningPathSegList, x, y) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_MOVETO_ABS, "M", owningPathSegList);
this._x = x;
this._y = y;
}
SVGPathSegMovetoAbs.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegMovetoAbs.prototype.toString = function() { return "[object SVGPathSegMovetoAbs]"; }
SVGPathSegMovetoAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; }
SVGPathSegMovetoAbs.prototype.clone = function() { return new SVGPathSegMovetoAbs(undefined, this._x, this._y); }
Object.defineProperty(SVGPathSegMovetoAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegMovetoAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegMovetoRel = function(owningPathSegList, x, y) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_MOVETO_REL, "m", owningPathSegList);
this._x = x;
this._y = y;
}
SVGPathSegMovetoRel.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegMovetoRel.prototype.toString = function() { return "[object SVGPathSegMovetoRel]"; }
SVGPathSegMovetoRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; }
SVGPathSegMovetoRel.prototype.clone = function() { return new SVGPathSegMovetoRel(undefined, this._x, this._y); }
Object.defineProperty(SVGPathSegMovetoRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegMovetoRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegLinetoAbs = function(owningPathSegList, x, y) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_LINETO_ABS, "L", owningPathSegList);
this._x = x;
this._y = y;
}
SVGPathSegLinetoAbs.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegLinetoAbs.prototype.toString = function() { return "[object SVGPathSegLinetoAbs]"; }
SVGPathSegLinetoAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; }
SVGPathSegLinetoAbs.prototype.clone = function() { return new SVGPathSegLinetoAbs(undefined, this._x, this._y); }
Object.defineProperty(SVGPathSegLinetoAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegLinetoAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegLinetoRel = function(owningPathSegList, x, y) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_LINETO_REL, "l", owningPathSegList);
this._x = x;
this._y = y;
}
SVGPathSegLinetoRel.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegLinetoRel.prototype.toString = function() { return "[object SVGPathSegLinetoRel]"; }
SVGPathSegLinetoRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; }
SVGPathSegLinetoRel.prototype.clone = function() { return new SVGPathSegLinetoRel(undefined, this._x, this._y); }
Object.defineProperty(SVGPathSegLinetoRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegLinetoRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegCurvetoCubicAbs = function(owningPathSegList, x, y, x1, y1, x2, y2) {
SVGPathSeg.call(this, 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;
}
SVGPathSegCurvetoCubicAbs.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegCurvetoCubicAbs.prototype.toString = function() { return "[object SVGPathSegCurvetoCubicAbs]"; }
SVGPathSegCurvetoCubicAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; }
SVGPathSegCurvetoCubicAbs.prototype.clone = function() { return new SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); }
Object.defineProperty(SVGPathSegCurvetoCubicAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicAbs.prototype, "x1", { get: function() { return this._x1; }, set: function(x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicAbs.prototype, "y1", { get: function() { return this._y1; }, set: function(y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicAbs.prototype, "x2", { get: function() { return this._x2; }, set: function(x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicAbs.prototype, "y2", { get: function() { return this._y2; }, set: function(y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegCurvetoCubicRel = function(owningPathSegList, x, y, x1, y1, x2, y2) {
SVGPathSeg.call(this, 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;
}
SVGPathSegCurvetoCubicRel.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegCurvetoCubicRel.prototype.toString = function() { return "[object SVGPathSegCurvetoCubicRel]"; }
SVGPathSegCurvetoCubicRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; }
SVGPathSegCurvetoCubicRel.prototype.clone = function() { return new SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); }
Object.defineProperty(SVGPathSegCurvetoCubicRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicRel.prototype, "x1", { get: function() { return this._x1; }, set: function(x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicRel.prototype, "y1", { get: function() { return this._y1; }, set: function(y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicRel.prototype, "x2", { get: function() { return this._x2; }, set: function(x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicRel.prototype, "y2", { get: function() { return this._y2; }, set: function(y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegCurvetoQuadraticAbs = function(owningPathSegList, x, y, x1, y1) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, "Q", owningPathSegList);
this._x = x;
this._y = y;
this._x1 = x1;
this._y1 = y1;
}
SVGPathSegCurvetoQuadraticAbs.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegCurvetoQuadraticAbs.prototype.toString = function() { return "[object SVGPathSegCurvetoQuadraticAbs]"; }
SVGPathSegCurvetoQuadraticAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x + " " + this._y; }
SVGPathSegCurvetoQuadraticAbs.prototype.clone = function() { return new SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1); }
Object.defineProperty(SVGPathSegCurvetoQuadraticAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoQuadraticAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoQuadraticAbs.prototype, "x1", { get: function() { return this._x1; }, set: function(x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoQuadraticAbs.prototype, "y1", { get: function() { return this._y1; }, set: function(y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegCurvetoQuadraticRel = function(owningPathSegList, x, y, x1, y1) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, "q", owningPathSegList);
this._x = x;
this._y = y;
this._x1 = x1;
this._y1 = y1;
}
SVGPathSegCurvetoQuadraticRel.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegCurvetoQuadraticRel.prototype.toString = function() { return "[object SVGPathSegCurvetoQuadraticRel]"; }
SVGPathSegCurvetoQuadraticRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x + " " + this._y; }
SVGPathSegCurvetoQuadraticRel.prototype.clone = function() { return new SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1); }
Object.defineProperty(SVGPathSegCurvetoQuadraticRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoQuadraticRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoQuadraticRel.prototype, "x1", { get: function() { return this._x1; }, set: function(x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoQuadraticRel.prototype, "y1", { get: function() { return this._y1; }, set: function(y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegArcAbs = function(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
SVGPathSeg.call(this, 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;
}
SVGPathSegArcAbs.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegArcAbs.prototype.toString = function() { return "[object SVGPathSegArcAbs]"; }
SVGPathSegArcAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._r1 + " " + this._r2 + " " + this._angle + " " + (this._largeArcFlag ? "1" : "0") + " " + (this._sweepFlag ? "1" : "0") + " " + this._x + " " + this._y; }
SVGPathSegArcAbs.prototype.clone = function() { return new SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); }
Object.defineProperty(SVGPathSegArcAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegArcAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegArcAbs.prototype, "r1", { get: function() { return this._r1; }, set: function(r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegArcAbs.prototype, "r2", { get: function() { return this._r2; }, set: function(r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegArcAbs.prototype, "angle", { get: function() { return this._angle; }, set: function(angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegArcAbs.prototype, "largeArcFlag", { get: function() { return this._largeArcFlag; }, set: function(largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegArcAbs.prototype, "sweepFlag", { get: function() { return this._sweepFlag; }, set: function(sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegArcRel = function(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
SVGPathSeg.call(this, 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;
}
SVGPathSegArcRel.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegArcRel.prototype.toString = function() { return "[object SVGPathSegArcRel]"; }
SVGPathSegArcRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._r1 + " " + this._r2 + " " + this._angle + " " + (this._largeArcFlag ? "1" : "0") + " " + (this._sweepFlag ? "1" : "0") + " " + this._x + " " + this._y; }
SVGPathSegArcRel.prototype.clone = function() { return new SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); }
Object.defineProperty(SVGPathSegArcRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegArcRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegArcRel.prototype, "r1", { get: function() { return this._r1; }, set: function(r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegArcRel.prototype, "r2", { get: function() { return this._r2; }, set: function(r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegArcRel.prototype, "angle", { get: function() { return this._angle; }, set: function(angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegArcRel.prototype, "largeArcFlag", { get: function() { return this._largeArcFlag; }, set: function(largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegArcRel.prototype, "sweepFlag", { get: function() { return this._sweepFlag; }, set: function(sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegLinetoHorizontalAbs = function(owningPathSegList, x) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, "H", owningPathSegList);
this._x = x;
}
SVGPathSegLinetoHorizontalAbs.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegLinetoHorizontalAbs.prototype.toString = function() { return "[object SVGPathSegLinetoHorizontalAbs]"; }
SVGPathSegLinetoHorizontalAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x; }
SVGPathSegLinetoHorizontalAbs.prototype.clone = function() { return new SVGPathSegLinetoHorizontalAbs(undefined, this._x); }
Object.defineProperty(SVGPathSegLinetoHorizontalAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegLinetoHorizontalRel = function(owningPathSegList, x) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, "h", owningPathSegList);
this._x = x;
}
SVGPathSegLinetoHorizontalRel.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegLinetoHorizontalRel.prototype.toString = function() { return "[object SVGPathSegLinetoHorizontalRel]"; }
SVGPathSegLinetoHorizontalRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x; }
SVGPathSegLinetoHorizontalRel.prototype.clone = function() { return new SVGPathSegLinetoHorizontalRel(undefined, this._x); }
Object.defineProperty(SVGPathSegLinetoHorizontalRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegLinetoVerticalAbs = function(owningPathSegList, y) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, "V", owningPathSegList);
this._y = y;
}
SVGPathSegLinetoVerticalAbs.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegLinetoVerticalAbs.prototype.toString = function() { return "[object SVGPathSegLinetoVerticalAbs]"; }
SVGPathSegLinetoVerticalAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._y; }
SVGPathSegLinetoVerticalAbs.prototype.clone = function() { return new SVGPathSegLinetoVerticalAbs(undefined, this._y); }
Object.defineProperty(SVGPathSegLinetoVerticalAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegLinetoVerticalRel = function(owningPathSegList, y) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, "v", owningPathSegList);
this._y = y;
}
SVGPathSegLinetoVerticalRel.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegLinetoVerticalRel.prototype.toString = function() { return "[object SVGPathSegLinetoVerticalRel]"; }
SVGPathSegLinetoVerticalRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._y; }
SVGPathSegLinetoVerticalRel.prototype.clone = function() { return new SVGPathSegLinetoVerticalRel(undefined, this._y); }
Object.defineProperty(SVGPathSegLinetoVerticalRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegCurvetoCubicSmoothAbs = function(owningPathSegList, x, y, x2, y2) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, "S", owningPathSegList);
this._x = x;
this._y = y;
this._x2 = x2;
this._y2 = y2;
}
SVGPathSegCurvetoCubicSmoothAbs.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegCurvetoCubicSmoothAbs.prototype.toString = function() { return "[object SVGPathSegCurvetoCubicSmoothAbs]"; }
SVGPathSegCurvetoCubicSmoothAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; }
SVGPathSegCurvetoCubicSmoothAbs.prototype.clone = function() { return new SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2); }
Object.defineProperty(SVGPathSegCurvetoCubicSmoothAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicSmoothAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicSmoothAbs.prototype, "x2", { get: function() { return this._x2; }, set: function(x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicSmoothAbs.prototype, "y2", { get: function() { return this._y2; }, set: function(y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegCurvetoCubicSmoothRel = function(owningPathSegList, x, y, x2, y2) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, "s", owningPathSegList);
this._x = x;
this._y = y;
this._x2 = x2;
this._y2 = y2;
}
SVGPathSegCurvetoCubicSmoothRel.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegCurvetoCubicSmoothRel.prototype.toString = function() { return "[object SVGPathSegCurvetoCubicSmoothRel]"; }
SVGPathSegCurvetoCubicSmoothRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; }
SVGPathSegCurvetoCubicSmoothRel.prototype.clone = function() { return new SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2); }
Object.defineProperty(SVGPathSegCurvetoCubicSmoothRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicSmoothRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicSmoothRel.prototype, "x2", { get: function() { return this._x2; }, set: function(x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoCubicSmoothRel.prototype, "y2", { get: function() { return this._y2; }, set: function(y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegCurvetoQuadraticSmoothAbs = function(owningPathSegList, x, y) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, "T", owningPathSegList);
this._x = x;
this._y = y;
}
SVGPathSegCurvetoQuadraticSmoothAbs.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegCurvetoQuadraticSmoothAbs.prototype.toString = function() { return "[object SVGPathSegCurvetoQuadraticSmoothAbs]"; }
SVGPathSegCurvetoQuadraticSmoothAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; }
SVGPathSegCurvetoQuadraticSmoothAbs.prototype.clone = function() { return new SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y); }
Object.defineProperty(SVGPathSegCurvetoQuadraticSmoothAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoQuadraticSmoothAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
window.SVGPathSegCurvetoQuadraticSmoothRel = function(owningPathSegList, x, y) {
SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, "t", owningPathSegList);
this._x = x;
this._y = y;
}
SVGPathSegCurvetoQuadraticSmoothRel.prototype = Object.create(SVGPathSeg.prototype);
SVGPathSegCurvetoQuadraticSmoothRel.prototype.toString = function() { return "[object SVGPathSegCurvetoQuadraticSmoothRel]"; }
SVGPathSegCurvetoQuadraticSmoothRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; }
SVGPathSegCurvetoQuadraticSmoothRel.prototype.clone = function() { return new SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y); }
Object.defineProperty(SVGPathSegCurvetoQuadraticSmoothRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
Object.defineProperty(SVGPathSegCurvetoQuadraticSmoothRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
// Add createSVGPathSeg* functions to SVGPathElement.
// Spec: http://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 (!("SVGPathSegList" in window)) {
// Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList
window.SVGPathSegList = function(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);
}
Object.defineProperty(SVGPathSegList.prototype, "numberOfItems", {
get: function() {
this._checkPathSynchronizedToList();
return this._list.length;
},
enumerable: true
});
// Add the pathSegList accessors to SVGPathElement.
// Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData
Object.defineProperty(SVGPathElement.prototype, "pathSegList", {
get: function() {
if (!this._pathSegList)
this._pathSegList = new SVGPathSegList(this);
return this._pathSegList;
},
enumerable: true
});
// FIXME: The following are not implemented and simply return SVGPathElement.pathSegList.
Object.defineProperty(SVGPathElement.prototype, "normalizedPathSegList", { get: function() { return this.pathSegList; }, enumerable: true });
Object.defineProperty(SVGPathElement.prototype, "animatedPathSegList", { get: function() { return this.pathSegList; }, enumerable: true });
Object.defineProperty(SVGPathElement.prototype, "animatedNormalizedPathSegList", { get: function() { return this.pathSegList; }, enumerable: true });
// 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.
SVGPathSegList.prototype._checkPathSynchronizedToList = function() {
this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());
}
SVGPathSegList.prototype._updateListFromPathMutations = function(mutationRecords) {
if (!this._pathElement)
return;
var hasPathMutations = false;
mutationRecords.forEach(function(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.
SVGPathSegList.prototype._writeListToPath = function() {
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.
SVGPathSegList.prototype.segmentChanged = function(pathSeg) {
this._writeListToPath();
}
SVGPathSegList.prototype.clear = function() {
this._checkPathSynchronizedToList();
this._list.forEach(function(pathSeg) {
pathSeg._owningPathSegList = null;
});
this._list = [];
this._writeListToPath();
}
SVGPathSegList.prototype.initialize = function(newItem) {
this._checkPathSynchronizedToList();
this._list = [newItem];
newItem._owningPathSegList = this;
this._writeListToPath();
return newItem;
}
SVGPathSegList.prototype._checkValidIndex = function(index) {
if (isNaN(index) || index < 0 || index >= this.numberOfItems)
throw "INDEX_SIZE_ERR";
}
SVGPathSegList.prototype.getItem = function(index) {
this._checkPathSynchronizedToList();
this._checkValidIndex(index);
return this._list[index];
}
SVGPathSegList.prototype.insertItemBefore = function(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;
}
SVGPathSegList.prototype.replaceItem = function(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;
}
SVGPathSegList.prototype.removeItem = function(index) {
this._checkPathSynchronizedToList();
this._checkValidIndex(index);
var item = this._list[index];
this._list.splice(index, 1);
this._writeListToPath();
return item;
}
SVGPathSegList.prototype.appendItem = function(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;
}
SVGPathSegList._pathSegArrayAsString = function(pathSegArray) {
var string = "";
var first = true;
pathSegArray.forEach(function(pathSeg) {
if (first) {
first = false;
string += pathSeg._asPathString();
} else {
string += " " + pathSeg._asPathString();
}
});
return string;
}
// This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
SVGPathSegList.prototype._parsePath = function(string) {
if (!string || string.length == 0)
return [];
var owningPathSegList = this;
var Builder = function() {
this.pathSegList = [];
}
Builder.prototype.appendSegment = function(pathSeg) {
this.pathSegList.push(pathSeg);
}
var Source = function(string) {
this._string = string;
this._currentIndex = 0;
this._endIndex = this._string.length;
this._previousCommand = SVGPathSeg.PATHSEG_UNKNOWN;
this._skipOptionalSpaces();
}
Source.prototype._isCurrentSpace = function() {
var character = this._string[this._currentIndex];
return character <= " " && (character == " " || character == "\n" || character == "\t" || character == "\r" || character == "\f");
}
Source.prototype._skipOptionalSpaces = function() {
while (this._currentIndex < this._endIndex && this._isCurrentSpace())
this._currentIndex++;
return this._currentIndex < this._endIndex;
}
Source.prototype._skipOptionalSpacesOrDelimiter = function() {
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;
}
Source.prototype.hasMoreData = function() {
return this._currentIndex < this._endIndex;
}
Source.prototype.peekSegmentType = function() {
var lookahead = this._string[this._currentIndex];
return this._pathSegTypeFromChar(lookahead);
}
Source.prototype._pathSegTypeFromChar = function(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;
}
}
Source.prototype._nextCommandHelper = function(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;
}
Source.prototype.initialCommandIsMoveTo = function() {
// If the path is empty it is still valid, so return true.
if (!this.hasMoreData())
return true;
var 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: http://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF
Source.prototype._parseNumber = function() {
var exponent = 0;
var integer = 0;
var frac = 1;
var decimal = 0;
var sign = 1;
var expsign = 1;
var 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.
var 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) {
var scanIntPartIndex = this._currentIndex - 1;
var 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")
decimal += (this._string.charAt(this._currentIndex++) - "0") * (frac *= 0.1);
}
// 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++;
}
}
var number = integer + decimal;
number *= sign;
if (exponent)
number *= Math.pow(10, expsign * exponent);
if (startIndex == this._currentIndex)
return undefined;
this._skipOptionalSpacesOrDelimiter();
return number;
}
Source.prototype._parseArcFlag = function() {
if (this._currentIndex >= this._endIndex)
return undefined;
var flag = false;
var flagChar = this._string.charAt(this._currentIndex++);
if (flagChar == "0")
flag = false;
else if (flagChar == "1")
flag = true;
else
return undefined;
this._skipOptionalSpacesOrDelimiter();
return flag;
}
Source.prototype.parseSegment = function() {
var lookahead = this._string[this._currentIndex];
var 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:
var 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:
var 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:
var 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:
var 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:
var 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:
var 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:
var 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:
var 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 "Unknown path seg type."
}
}
var builder = new Builder();
var source = new Source(string);
if (!source.initialCommandIsMoveTo())
return [];
while (source.hasMoreData()) {
var pathSeg = source.parseSegment();
if (!pathSeg)
return [];
builder.appendSegment(pathSeg);
}
return builder.pathSegList;
}
}
}());
/* jshint ignore:end */

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