// 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. window.pathseg = (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; } window.SVGPathSeg.prototype.classname = "SVGPathSeg"; window.SVGPathSeg.PATHSEG_UNKNOWN = 0; window.SVGPathSeg.PATHSEG_CLOSEPATH = 1; window.SVGPathSeg.PATHSEG_MOVETO_ABS = 2; window.SVGPathSeg.PATHSEG_MOVETO_REL = 3; window.SVGPathSeg.PATHSEG_LINETO_ABS = 4; window.SVGPathSeg.PATHSEG_LINETO_REL = 5; window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS = 6; window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL = 7; window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS = 8; window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL = 9; window.SVGPathSeg.PATHSEG_ARC_ABS = 10; window.SVGPathSeg.PATHSEG_ARC_REL = 11; window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS = 12; window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL = 13; window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS = 14; window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL = 15; window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = 16; window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL = 17; window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18; window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19; // Notify owning PathSegList on any changes so they can be synchronized back to the path element. window.SVGPathSeg.prototype._segmentChanged = function() { if (this._owningPathSegList) this._owningPathSegList.segmentChanged(this); } window.SVGPathSegClosePath = function(owningPathSegList) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CLOSEPATH, "z", owningPathSegList); } window.SVGPathSegClosePath.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegClosePath.prototype.toString = function() { return "[object SVGPathSegClosePath]"; } window.SVGPathSegClosePath.prototype._asPathString = function() { return this.pathSegTypeAsLetter; } window.SVGPathSegClosePath.prototype.clone = function() { return new window.SVGPathSegClosePath(undefined); } window.SVGPathSegMovetoAbs = function(owningPathSegList, x, y) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_MOVETO_ABS, "M", owningPathSegList); this._x = x; this._y = y; } window.SVGPathSegMovetoAbs.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegMovetoAbs.prototype.toString = function() { return "[object SVGPathSegMovetoAbs]"; } window.SVGPathSegMovetoAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; } window.SVGPathSegMovetoAbs.prototype.clone = function() { return new window.SVGPathSegMovetoAbs(undefined, this._x, this._y); } Object.defineProperty(window.SVGPathSegMovetoAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegMovetoAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegMovetoRel = function(owningPathSegList, x, y) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_MOVETO_REL, "m", owningPathSegList); this._x = x; this._y = y; } window.SVGPathSegMovetoRel.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegMovetoRel.prototype.toString = function() { return "[object SVGPathSegMovetoRel]"; } window.SVGPathSegMovetoRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; } window.SVGPathSegMovetoRel.prototype.clone = function() { return new window.SVGPathSegMovetoRel(undefined, this._x, this._y); } Object.defineProperty(window.SVGPathSegMovetoRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegMovetoRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegLinetoAbs = function(owningPathSegList, x, y) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_ABS, "L", owningPathSegList); this._x = x; this._y = y; } window.SVGPathSegLinetoAbs.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegLinetoAbs.prototype.toString = function() { return "[object SVGPathSegLinetoAbs]"; } window.SVGPathSegLinetoAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; } window.SVGPathSegLinetoAbs.prototype.clone = function() { return new window.SVGPathSegLinetoAbs(undefined, this._x, this._y); } Object.defineProperty(window.SVGPathSegLinetoAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegLinetoAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegLinetoRel = function(owningPathSegList, x, y) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_REL, "l", owningPathSegList); this._x = x; this._y = y; } window.SVGPathSegLinetoRel.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegLinetoRel.prototype.toString = function() { return "[object SVGPathSegLinetoRel]"; } window.SVGPathSegLinetoRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; } window.SVGPathSegLinetoRel.prototype.clone = function() { return new window.SVGPathSegLinetoRel(undefined, this._x, this._y); } Object.defineProperty(window.SVGPathSegLinetoRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.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) { window.SVGPathSeg.call(this, window.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; } window.SVGPathSegCurvetoCubicAbs.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegCurvetoCubicAbs.prototype.toString = function() { return "[object SVGPathSegCurvetoCubicAbs]"; } window.SVGPathSegCurvetoCubicAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; } window.SVGPathSegCurvetoCubicAbs.prototype.clone = function() { return new window.SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); } Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "x1", { get: function() { return this._x1; }, set: function(x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "y1", { get: function() { return this._y1; }, set: function(y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "x2", { get: function() { return this._x2; }, set: function(x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.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) { window.SVGPathSeg.call(this, window.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; } window.SVGPathSegCurvetoCubicRel.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegCurvetoCubicRel.prototype.toString = function() { return "[object SVGPathSegCurvetoCubicRel]"; } window.SVGPathSegCurvetoCubicRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; } window.SVGPathSegCurvetoCubicRel.prototype.clone = function() { return new window.SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); } Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "x1", { get: function() { return this._x1; }, set: function(x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "y1", { get: function() { return this._y1; }, set: function(y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "x2", { get: function() { return this._x2; }, set: function(x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.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) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, "Q", owningPathSegList); this._x = x; this._y = y; this._x1 = x1; this._y1 = y1; } window.SVGPathSegCurvetoQuadraticAbs.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegCurvetoQuadraticAbs.prototype.toString = function() { return "[object SVGPathSegCurvetoQuadraticAbs]"; } window.SVGPathSegCurvetoQuadraticAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x + " " + this._y; } window.SVGPathSegCurvetoQuadraticAbs.prototype.clone = function() { return new window.SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1); } Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "x1", { get: function() { return this._x1; }, set: function(x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.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) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, "q", owningPathSegList); this._x = x; this._y = y; this._x1 = x1; this._y1 = y1; } window.SVGPathSegCurvetoQuadraticRel.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegCurvetoQuadraticRel.prototype.toString = function() { return "[object SVGPathSegCurvetoQuadraticRel]"; } window.SVGPathSegCurvetoQuadraticRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x + " " + this._y; } window.SVGPathSegCurvetoQuadraticRel.prototype.clone = function() { return new window.SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1); } Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "x1", { get: function() { return this._x1; }, set: function(x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.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) { window.SVGPathSeg.call(this, window.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; } window.SVGPathSegArcAbs.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegArcAbs.prototype.toString = function() { return "[object SVGPathSegArcAbs]"; } window.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; } window.SVGPathSegArcAbs.prototype.clone = function() { return new window.SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); } Object.defineProperty(window.SVGPathSegArcAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegArcAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegArcAbs.prototype, "r1", { get: function() { return this._r1; }, set: function(r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegArcAbs.prototype, "r2", { get: function() { return this._r2; }, set: function(r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegArcAbs.prototype, "angle", { get: function() { return this._angle; }, set: function(angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegArcAbs.prototype, "largeArcFlag", { get: function() { return this._largeArcFlag; }, set: function(largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.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) { window.SVGPathSeg.call(this, window.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; } window.SVGPathSegArcRel.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegArcRel.prototype.toString = function() { return "[object SVGPathSegArcRel]"; } window.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; } window.SVGPathSegArcRel.prototype.clone = function() { return new window.SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); } Object.defineProperty(window.SVGPathSegArcRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegArcRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegArcRel.prototype, "r1", { get: function() { return this._r1; }, set: function(r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegArcRel.prototype, "r2", { get: function() { return this._r2; }, set: function(r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegArcRel.prototype, "angle", { get: function() { return this._angle; }, set: function(angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegArcRel.prototype, "largeArcFlag", { get: function() { return this._largeArcFlag; }, set: function(largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegArcRel.prototype, "sweepFlag", { get: function() { return this._sweepFlag; }, set: function(sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegLinetoHorizontalAbs = function(owningPathSegList, x) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, "H", owningPathSegList); this._x = x; } window.SVGPathSegLinetoHorizontalAbs.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegLinetoHorizontalAbs.prototype.toString = function() { return "[object SVGPathSegLinetoHorizontalAbs]"; } window.SVGPathSegLinetoHorizontalAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x; } window.SVGPathSegLinetoHorizontalAbs.prototype.clone = function() { return new window.SVGPathSegLinetoHorizontalAbs(undefined, this._x); } Object.defineProperty(window.SVGPathSegLinetoHorizontalAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegLinetoHorizontalRel = function(owningPathSegList, x) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, "h", owningPathSegList); this._x = x; } window.SVGPathSegLinetoHorizontalRel.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegLinetoHorizontalRel.prototype.toString = function() { return "[object SVGPathSegLinetoHorizontalRel]"; } window.SVGPathSegLinetoHorizontalRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x; } window.SVGPathSegLinetoHorizontalRel.prototype.clone = function() { return new window.SVGPathSegLinetoHorizontalRel(undefined, this._x); } Object.defineProperty(window.SVGPathSegLinetoHorizontalRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegLinetoVerticalAbs = function(owningPathSegList, y) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, "V", owningPathSegList); this._y = y; } window.SVGPathSegLinetoVerticalAbs.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegLinetoVerticalAbs.prototype.toString = function() { return "[object SVGPathSegLinetoVerticalAbs]"; } window.SVGPathSegLinetoVerticalAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._y; } window.SVGPathSegLinetoVerticalAbs.prototype.clone = function() { return new window.SVGPathSegLinetoVerticalAbs(undefined, this._y); } Object.defineProperty(window.SVGPathSegLinetoVerticalAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegLinetoVerticalRel = function(owningPathSegList, y) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, "v", owningPathSegList); this._y = y; } window.SVGPathSegLinetoVerticalRel.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegLinetoVerticalRel.prototype.toString = function() { return "[object SVGPathSegLinetoVerticalRel]"; } window.SVGPathSegLinetoVerticalRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._y; } window.SVGPathSegLinetoVerticalRel.prototype.clone = function() { return new window.SVGPathSegLinetoVerticalRel(undefined, this._y); } Object.defineProperty(window.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) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, "S", owningPathSegList); this._x = x; this._y = y; this._x2 = x2; this._y2 = y2; } window.SVGPathSegCurvetoCubicSmoothAbs.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegCurvetoCubicSmoothAbs.prototype.toString = function() { return "[object SVGPathSegCurvetoCubicSmoothAbs]"; } window.SVGPathSegCurvetoCubicSmoothAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; } window.SVGPathSegCurvetoCubicSmoothAbs.prototype.clone = function() { return new window.SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2); } Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, "x2", { get: function() { return this._x2; }, set: function(x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.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) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, "s", owningPathSegList); this._x = x; this._y = y; this._x2 = x2; this._y2 = y2; } window.SVGPathSegCurvetoCubicSmoothRel.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegCurvetoCubicSmoothRel.prototype.toString = function() { return "[object SVGPathSegCurvetoCubicSmoothRel]"; } window.SVGPathSegCurvetoCubicSmoothRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; } window.SVGPathSegCurvetoCubicSmoothRel.prototype.clone = function() { return new window.SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2); } Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, "x2", { get: function() { return this._x2; }, set: function(x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, "y2", { get: function() { return this._y2; }, set: function(y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegCurvetoQuadraticSmoothAbs = function(owningPathSegList, x, y) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, "T", owningPathSegList); this._x = x; this._y = y; } window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype.toString = function() { return "[object SVGPathSegCurvetoQuadraticSmoothAbs]"; } window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; } window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype.clone = function() { return new window.SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y); } Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegCurvetoQuadraticSmoothRel = function(owningPathSegList, x, y) { window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, "t", owningPathSegList); this._x = x; this._y = y; } window.SVGPathSegCurvetoQuadraticSmoothRel.prototype = Object.create(window.SVGPathSeg.prototype); window.SVGPathSegCurvetoQuadraticSmoothRel.prototype.toString = function() { return "[object SVGPathSegCurvetoQuadraticSmoothRel]"; } window.SVGPathSegCurvetoQuadraticSmoothRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; } window.SVGPathSegCurvetoQuadraticSmoothRel.prototype.clone = function() { return new window.SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y); } Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true }); // Add createSVGPathSeg* functions to window.SVGPathElement. // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-Interfacewindow.SVGPathElement. window.SVGPathElement.prototype.createSVGPathSegClosePath = function() { return new window.SVGPathSegClosePath(undefined); } window.SVGPathElement.prototype.createSVGPathSegMovetoAbs = function(x, y) { return new window.SVGPathSegMovetoAbs(undefined, x, y); } window.SVGPathElement.prototype.createSVGPathSegMovetoRel = function(x, y) { return new window.SVGPathSegMovetoRel(undefined, x, y); } window.SVGPathElement.prototype.createSVGPathSegLinetoAbs = function(x, y) { return new window.SVGPathSegLinetoAbs(undefined, x, y); } window.SVGPathElement.prototype.createSVGPathSegLinetoRel = function(x, y) { return new window.SVGPathSegLinetoRel(undefined, x, y); } window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function(x, y, x1, y1, x2, y2) { return new window.SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2); } window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function(x, y, x1, y1, x2, y2) { return new window.SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2); } window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function(x, y, x1, y1) { return new window.SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1); } window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function(x, y, x1, y1) { return new window.SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1); } window.SVGPathElement.prototype.createSVGPathSegArcAbs = function(x, y, r1, r2, angle, largeArcFlag, sweepFlag) { return new window.SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag); } window.SVGPathElement.prototype.createSVGPathSegArcRel = function(x, y, r1, r2, angle, largeArcFlag, sweepFlag) { return new window.SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag); } window.SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function(x) { return new window.SVGPathSegLinetoHorizontalAbs(undefined, x); } window.SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function(x) { return new window.SVGPathSegLinetoHorizontalRel(undefined, x); } window.SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function(y) { return new window.SVGPathSegLinetoVerticalAbs(undefined, y); } window.SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function(y) { return new window.SVGPathSegLinetoVerticalRel(undefined, y); } window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function(x, y, x2, y2) { return new window.SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2); } window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function(x, y, x2, y2) { return new window.SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2); } window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function(x, y) { return new window.SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y); } window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function(x, y) { return new window.SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y); } if (!("getPathSegAtLength" in window.SVGPathElement.prototype)) { // Add getPathSegAtLength to SVGPathElement. // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-__svg__SVGPathElement__getPathSegAtLength // This polyfill requires SVGPathElement.getTotalLength to implement the distance-along-a-path algorithm. window.SVGPathElement.prototype.getPathSegAtLength = function(distance) { if (distance === undefined || !isFinite(distance)) throw "Invalid arguments."; var measurementElement = document.createElementNS("http://www.w3.org/2000/svg", "path"); measurementElement.setAttribute("d", this.getAttribute("d")); var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1; // If the path is empty, return 0. if (lastPathSegment <= 0) return 0; do { measurementElement.pathSegList.removeItem(lastPathSegment); if (distance > measurementElement.getTotalLength()) break; lastPathSegment--; } while (lastPathSegment > 0); return lastPathSegment; } } } 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); } window.SVGPathSegList.prototype.classname = "SVGPathSegList"; Object.defineProperty(window.SVGPathSegList.prototype, "numberOfItems", { get: function() { this._checkPathSynchronizedToList(); return this._list.length; }, enumerable: true }); // Add the pathSegList accessors to window.SVGPathElement. // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData Object.defineProperty(window.SVGPathElement.prototype, "pathSegList", { get: function() { if (!this._pathSegList) this._pathSegList = new window.SVGPathSegList(this); return this._pathSegList; }, enumerable: true }); // FIXME: The following are not implemented and simply return window.SVGPathElement.pathSegList. Object.defineProperty(window.SVGPathElement.prototype, "normalizedPathSegList", { get: function() { return this.pathSegList; }, enumerable: true }); Object.defineProperty(window.SVGPathElement.prototype, "animatedPathSegList", { get: function() { return this.pathSegList; }, enumerable: true }); Object.defineProperty(window.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. window.SVGPathSegList.prototype._checkPathSynchronizedToList = function() { this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords()); } window.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. window.SVGPathSegList.prototype._writeListToPath = function() { this._pathElementMutationObserver.disconnect(); this._pathElement.setAttribute("d", window.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. window.SVGPathSegList.prototype.segmentChanged = function(pathSeg) { this._writeListToPath(); } window.SVGPathSegList.prototype.clear = function() { this._checkPathSynchronizedToList(); this._list.forEach(function(pathSeg) { pathSeg._owningPathSegList = null; }); this._list = []; this._writeListToPath(); } window.SVGPathSegList.prototype.initialize = function(newItem) { this._checkPathSynchronizedToList(); this._list = [newItem]; newItem._owningPathSegList = this; this._writeListToPath(); return newItem; } window.SVGPathSegList.prototype._checkValidIndex = function(index) { if (isNaN(index) || index < 0 || index >= this.numberOfItems) throw "INDEX_SIZE_ERR"; } window.SVGPathSegList.prototype.getItem = function(index) { this._checkPathSynchronizedToList(); this._checkValidIndex(index); return this._list[index]; } window.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; } window.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; } window.SVGPathSegList.prototype.removeItem = function(index) { this._checkPathSynchronizedToList(); this._checkValidIndex(index); var item = this._list[index]; this._list.splice(index, 1); this._writeListToPath(); return item; } window.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; } window.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. window.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 = window.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 window.SVGPathSeg.PATHSEG_CLOSEPATH; case "M": return window.SVGPathSeg.PATHSEG_MOVETO_ABS; case "m": return window.SVGPathSeg.PATHSEG_MOVETO_REL; case "L": return window.SVGPathSeg.PATHSEG_LINETO_ABS; case "l": return window.SVGPathSeg.PATHSEG_LINETO_REL; case "C": return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS; case "c": return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL; case "Q": return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS; case "q": return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL; case "A": return window.SVGPathSeg.PATHSEG_ARC_ABS; case "a": return window.SVGPathSeg.PATHSEG_ARC_REL; case "H": return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS; case "h": return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL; case "V": return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS; case "v": return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL; case "S": return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS; case "s": return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL; case "T": return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS; case "t": return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL; default: return window.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 != window.SVGPathSeg.PATHSEG_CLOSEPATH) { if (previousCommand == window.SVGPathSeg.PATHSEG_MOVETO_ABS) return window.SVGPathSeg.PATHSEG_LINETO_ABS; if (previousCommand == window.SVGPathSeg.PATHSEG_MOVETO_REL) return window.SVGPathSeg.PATHSEG_LINETO_REL; return previousCommand; } return window.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 == window.SVGPathSeg.PATHSEG_MOVETO_ABS || command == window.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") { frac *= 10; decimal += (this._string.charAt(this._currentIndex) - "0") / frac; this._currentIndex += 1; } } // Read the exponent part. if (this._currentIndex != startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) == "e" || this._string.charAt(this._currentIndex) == "E") && (this._string.charAt(this._currentIndex + 1) != "x" && this._string.charAt(this._currentIndex + 1) != "m")) { this._currentIndex++; // Read the sign of the exponent. if (this._string.charAt(this._currentIndex) == "+") { this._currentIndex++; } else if (this._string.charAt(this._currentIndex) == "-") { this._currentIndex++; expsign = -1; } // There must be an exponent. if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < "0" || this._string.charAt(this._currentIndex) > "9") return undefined; while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= "0" && this._string.charAt(this._currentIndex) <= "9") { exponent *= 10; exponent += (this._string.charAt(this._currentIndex) - "0"); this._currentIndex++; } } 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 == window.SVGPathSeg.PATHSEG_UNKNOWN) { // Possibly an implicit command. Not allowed if this is the first command. if (this._previousCommand == window.SVGPathSeg.PATHSEG_UNKNOWN) return null; command = this._nextCommandHelper(lookahead, this._previousCommand); if (command == window.SVGPathSeg.PATHSEG_UNKNOWN) return null; } else { this._currentIndex++; } this._previousCommand = command; switch (command) { case window.SVGPathSeg.PATHSEG_MOVETO_REL: return new window.SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber()); case window.SVGPathSeg.PATHSEG_MOVETO_ABS: return new window.SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber()); case window.SVGPathSeg.PATHSEG_LINETO_REL: return new window.SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber()); case window.SVGPathSeg.PATHSEG_LINETO_ABS: return new window.SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber()); case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL: return new window.SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber()); case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS: return new window.SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber()); case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL: return new window.SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber()); case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS: return new window.SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber()); case window.SVGPathSeg.PATHSEG_CLOSEPATH: this._skipOptionalSpaces(); return new window.SVGPathSegClosePath(owningPathSegList); case window.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 window.SVGPathSegCurvetoCubicRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2); case window.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 window.SVGPathSegCurvetoCubicAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2); case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL: var points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()}; return new window.SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, points.x, points.y, points.x2, points.y2); case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS: var points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()}; return new window.SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, points.x, points.y, points.x2, points.y2); case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL: var points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()}; return new window.SVGPathSegCurvetoQuadraticRel(owningPathSegList, points.x, points.y, points.x1, points.y1); case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS: var points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()}; return new window.SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1); case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL: return new window.SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber()); case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS: return new window.SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber()); case window.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 window.SVGPathSegArcRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep); case window.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 window.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; } } });