850 lines
58 KiB
JavaScript
850 lines
58 KiB
JavaScript
// SVGPathSeg API polyfill
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// https://github.com/progers/pathseg
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//
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// This is a drop-in replacement for the SVGPathSeg and SVGPathSegList APIs that were removed from
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// SVG2 (https://lists.w3.org/Archives/Public/www-svg/2015Jun/0044.html), including the latest spec
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// changes which were implemented in Firefox 43 and Chrome 46.
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(function() { "use strict";
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if (!("SVGPathSeg" in window)) {
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// Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg
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window.SVGPathSeg = function(type, typeAsLetter, owningPathSegList) {
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this.pathSegType = type;
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this.pathSegTypeAsLetter = typeAsLetter;
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this._owningPathSegList = owningPathSegList;
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}
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window.SVGPathSeg.prototype.classname = "SVGPathSeg";
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window.SVGPathSeg.PATHSEG_UNKNOWN = 0;
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window.SVGPathSeg.PATHSEG_CLOSEPATH = 1;
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window.SVGPathSeg.PATHSEG_MOVETO_ABS = 2;
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window.SVGPathSeg.PATHSEG_MOVETO_REL = 3;
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window.SVGPathSeg.PATHSEG_LINETO_ABS = 4;
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window.SVGPathSeg.PATHSEG_LINETO_REL = 5;
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window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS = 6;
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window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL = 7;
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window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS = 8;
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window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL = 9;
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window.SVGPathSeg.PATHSEG_ARC_ABS = 10;
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window.SVGPathSeg.PATHSEG_ARC_REL = 11;
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window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS = 12;
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window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL = 13;
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window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS = 14;
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window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL = 15;
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window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = 16;
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window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL = 17;
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window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;
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window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;
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// Notify owning PathSegList on any changes so they can be synchronized back to the path element.
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window.SVGPathSeg.prototype._segmentChanged = function() {
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if (this._owningPathSegList)
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this._owningPathSegList.segmentChanged(this);
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}
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window.SVGPathSegClosePath = function(owningPathSegList) {
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window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CLOSEPATH, "z", owningPathSegList);
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}
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window.SVGPathSegClosePath.prototype = Object.create(window.SVGPathSeg.prototype);
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window.SVGPathSegClosePath.prototype.toString = function() { return "[object SVGPathSegClosePath]"; }
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window.SVGPathSegClosePath.prototype._asPathString = function() { return this.pathSegTypeAsLetter; }
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window.SVGPathSegClosePath.prototype.clone = function() { return new window.SVGPathSegClosePath(undefined); }
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window.SVGPathSegMovetoAbs = function(owningPathSegList, x, y) {
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window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_MOVETO_ABS, "M", owningPathSegList);
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this._x = x;
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this._y = y;
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}
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window.SVGPathSegMovetoAbs.prototype = Object.create(window.SVGPathSeg.prototype);
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window.SVGPathSegMovetoAbs.prototype.toString = function() { return "[object SVGPathSegMovetoAbs]"; }
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window.SVGPathSegMovetoAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; }
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window.SVGPathSegMovetoAbs.prototype.clone = function() { return new window.SVGPathSegMovetoAbs(undefined, this._x, this._y); }
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Object.defineProperty(window.SVGPathSegMovetoAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegMovetoAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
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window.SVGPathSegMovetoRel = function(owningPathSegList, x, y) {
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window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_MOVETO_REL, "m", owningPathSegList);
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this._x = x;
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this._y = y;
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}
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window.SVGPathSegMovetoRel.prototype = Object.create(window.SVGPathSeg.prototype);
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window.SVGPathSegMovetoRel.prototype.toString = function() { return "[object SVGPathSegMovetoRel]"; }
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window.SVGPathSegMovetoRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; }
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window.SVGPathSegMovetoRel.prototype.clone = function() { return new window.SVGPathSegMovetoRel(undefined, this._x, this._y); }
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Object.defineProperty(window.SVGPathSegMovetoRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegMovetoRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
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window.SVGPathSegLinetoAbs = function(owningPathSegList, x, y) {
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window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_ABS, "L", owningPathSegList);
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this._x = x;
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this._y = y;
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}
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window.SVGPathSegLinetoAbs.prototype = Object.create(window.SVGPathSeg.prototype);
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window.SVGPathSegLinetoAbs.prototype.toString = function() { return "[object SVGPathSegLinetoAbs]"; }
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window.SVGPathSegLinetoAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; }
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window.SVGPathSegLinetoAbs.prototype.clone = function() { return new window.SVGPathSegLinetoAbs(undefined, this._x, this._y); }
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Object.defineProperty(window.SVGPathSegLinetoAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegLinetoAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
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window.SVGPathSegLinetoRel = function(owningPathSegList, x, y) {
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window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_REL, "l", owningPathSegList);
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this._x = x;
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this._y = y;
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}
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window.SVGPathSegLinetoRel.prototype = Object.create(window.SVGPathSeg.prototype);
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window.SVGPathSegLinetoRel.prototype.toString = function() { return "[object SVGPathSegLinetoRel]"; }
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window.SVGPathSegLinetoRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; }
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window.SVGPathSegLinetoRel.prototype.clone = function() { return new window.SVGPathSegLinetoRel(undefined, this._x, this._y); }
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Object.defineProperty(window.SVGPathSegLinetoRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegLinetoRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
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window.SVGPathSegCurvetoCubicAbs = function(owningPathSegList, x, y, x1, y1, x2, y2) {
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window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, "C", owningPathSegList);
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this._x = x;
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this._y = y;
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this._x1 = x1;
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this._y1 = y1;
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this._x2 = x2;
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this._y2 = y2;
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}
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window.SVGPathSegCurvetoCubicAbs.prototype = Object.create(window.SVGPathSeg.prototype);
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window.SVGPathSegCurvetoCubicAbs.prototype.toString = function() { return "[object SVGPathSegCurvetoCubicAbs]"; }
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window.SVGPathSegCurvetoCubicAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; }
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window.SVGPathSegCurvetoCubicAbs.prototype.clone = function() { return new window.SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); }
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Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "x1", { get: function() { return this._x1; }, set: function(x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "y1", { get: function() { return this._y1; }, set: function(y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "x2", { get: function() { return this._x2; }, set: function(x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, "y2", { get: function() { return this._y2; }, set: function(y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true });
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window.SVGPathSegCurvetoCubicRel = function(owningPathSegList, x, y, x1, y1, x2, y2) {
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window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, "c", owningPathSegList);
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this._x = x;
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this._y = y;
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this._x1 = x1;
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this._y1 = y1;
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this._x2 = x2;
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this._y2 = y2;
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}
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window.SVGPathSegCurvetoCubicRel.prototype = Object.create(window.SVGPathSeg.prototype);
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window.SVGPathSegCurvetoCubicRel.prototype.toString = function() { return "[object SVGPathSegCurvetoCubicRel]"; }
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window.SVGPathSegCurvetoCubicRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; }
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window.SVGPathSegCurvetoCubicRel.prototype.clone = function() { return new window.SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); }
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Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "x1", { get: function() { return this._x1; }, set: function(x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "y1", { get: function() { return this._y1; }, set: function(y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "x2", { get: function() { return this._x2; }, set: function(x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, "y2", { get: function() { return this._y2; }, set: function(y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true });
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window.SVGPathSegCurvetoQuadraticAbs = function(owningPathSegList, x, y, x1, y1) {
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window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, "Q", owningPathSegList);
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this._x = x;
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this._y = y;
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this._x1 = x1;
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this._y1 = y1;
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}
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window.SVGPathSegCurvetoQuadraticAbs.prototype = Object.create(window.SVGPathSeg.prototype);
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window.SVGPathSegCurvetoQuadraticAbs.prototype.toString = function() { return "[object SVGPathSegCurvetoQuadraticAbs]"; }
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window.SVGPathSegCurvetoQuadraticAbs.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x + " " + this._y; }
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window.SVGPathSegCurvetoQuadraticAbs.prototype.clone = function() { return new window.SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1); }
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Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "x1", { get: function() { return this._x1; }, set: function(x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, "y1", { get: function() { return this._y1; }, set: function(y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true });
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window.SVGPathSegCurvetoQuadraticRel = function(owningPathSegList, x, y, x1, y1) {
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window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, "q", owningPathSegList);
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this._x = x;
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this._y = y;
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this._x1 = x1;
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this._y1 = y1;
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}
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window.SVGPathSegCurvetoQuadraticRel.prototype = Object.create(window.SVGPathSeg.prototype);
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window.SVGPathSegCurvetoQuadraticRel.prototype.toString = function() { return "[object SVGPathSegCurvetoQuadraticRel]"; }
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window.SVGPathSegCurvetoQuadraticRel.prototype._asPathString = function() { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x + " " + this._y; }
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window.SVGPathSegCurvetoQuadraticRel.prototype.clone = function() { return new window.SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1); }
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Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "x1", { get: function() { return this._x1; }, set: function(x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, "y1", { get: function() { return this._y1; }, set: function(y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true });
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window.SVGPathSegArcAbs = function(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
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window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_ARC_ABS, "A", owningPathSegList);
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this._x = x;
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this._y = y;
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this._r1 = r1;
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this._r2 = r2;
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this._angle = angle;
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this._largeArcFlag = largeArcFlag;
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this._sweepFlag = sweepFlag;
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}
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window.SVGPathSegArcAbs.prototype = Object.create(window.SVGPathSeg.prototype);
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window.SVGPathSegArcAbs.prototype.toString = function() { return "[object SVGPathSegArcAbs]"; }
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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; }
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window.SVGPathSegArcAbs.prototype.clone = function() { return new window.SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); }
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Object.defineProperty(window.SVGPathSegArcAbs.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegArcAbs.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegArcAbs.prototype, "r1", { get: function() { return this._r1; }, set: function(r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegArcAbs.prototype, "r2", { get: function() { return this._r2; }, set: function(r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegArcAbs.prototype, "angle", { get: function() { return this._angle; }, set: function(angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegArcAbs.prototype, "largeArcFlag", { get: function() { return this._largeArcFlag; }, set: function(largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegArcAbs.prototype, "sweepFlag", { get: function() { return this._sweepFlag; }, set: function(sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true });
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window.SVGPathSegArcRel = function(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
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window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_ARC_REL, "a", owningPathSegList);
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this._x = x;
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this._y = y;
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this._r1 = r1;
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this._r2 = r2;
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this._angle = angle;
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this._largeArcFlag = largeArcFlag;
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this._sweepFlag = sweepFlag;
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}
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window.SVGPathSegArcRel.prototype = Object.create(window.SVGPathSeg.prototype);
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window.SVGPathSegArcRel.prototype.toString = function() { return "[object SVGPathSegArcRel]"; }
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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; }
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window.SVGPathSegArcRel.prototype.clone = function() { return new window.SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); }
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Object.defineProperty(window.SVGPathSegArcRel.prototype, "x", { get: function() { return this._x; }, set: function(x) { this._x = x; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegArcRel.prototype, "y", { get: function() { return this._y; }, set: function(y) { this._y = y; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegArcRel.prototype, "r1", { get: function() { return this._r1; }, set: function(r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegArcRel.prototype, "r2", { get: function() { return this._r2; }, set: function(r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegArcRel.prototype, "angle", { get: function() { return this._angle; }, set: function(angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegArcRel.prototype, "largeArcFlag", { get: function() { return this._largeArcFlag; }, set: function(largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true });
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Object.defineProperty(window.SVGPathSegArcRel.prototype, "sweepFlag", { get: function() { return this._sweepFlag; }, set: function(sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true });
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window.SVGPathSegLinetoHorizontalAbs = function(owningPathSegList, x) {
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window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, "H", owningPathSegList);
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this._x = x;
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}
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window.SVGPathSegLinetoHorizontalAbs.prototype = Object.create(window.SVGPathSeg.prototype);
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window.SVGPathSegLinetoHorizontalAbs.prototype.toString = function() { return "[object SVGPathSegLinetoHorizontalAbs]"; }
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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;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Checking for SVGPathSegList in window checks for the case of an implementation without the
|
|
// SVGPathSegList API.
|
|
// The second check for appendItem is specific to Firefox 59+ which removed only parts of the
|
|
// SVGPathSegList API (e.g., appendItem). In this case we need to re-implement the entire API
|
|
// so the polyfill data (i.e., _list) is used throughout.
|
|
if (!("SVGPathSegList" in window) || !("appendItem" in window.SVGPathSegList.prototype)) {
|
|
// Spec: 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;
|
|
}
|
|
}
|
|
}());
|