From d1a5c666acee87f1e0ce72247baf7f25904bcc25 Mon Sep 17 00:00:00 2001 From: Andy Dufilie Date: Fri, 29 Jan 2016 11:26:02 -0500 Subject: [PATCH] Fix for Chrome 48 removal of SVGPathSeg and SVGPathSegList APIs --- src/polyfill.js | 817 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 817 insertions(+) diff --git a/src/polyfill.js b/src/polyfill.js index 95d7812..133e759 100644 --- a/src/polyfill.js +++ b/src/polyfill.js @@ -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 */