76 lines
1.4 KiB
JavaScript
76 lines
1.4 KiB
JavaScript
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var Class = require('../../core/class');
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// Utility command factories
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var point = function(c){
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return function(x, y){
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return this.push(c, x, y);
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};
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};
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var arc = function(c, cc){
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return function(x, y, rx, ry, outer){
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return this.push(c, Math.abs(rx || x), Math.abs(ry || rx || y), 0, outer ? 1 : 0, cc, x, y);
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};
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};
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var curve = function(t, s, q, c){
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return function(c1x, c1y, c2x, c2y, ex, ey){
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var l = arguments.length, k = l < 4 ? t : l < 6 ? q : c;
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return this.push(k, c1x, c1y, c2x, c2y, ex, ey);
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};
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};
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// SVG Path Class
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var SVGPath = Class({
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initialize: function(path){
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if (path instanceof SVGPath){
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this.path = [Array.prototype.join.call(path.path, ' ')];
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} else {
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if (path && path.applyToPath)
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path.applyToPath(this);
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else
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this.path = [path || 'm0 0'];
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}
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},
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push: function(){
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this.path.push(Array.prototype.join.call(arguments, ' '));
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return this;
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},
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reset: function(){
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this.path = [];
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return this;
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},
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move: point('m'),
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moveTo: point('M'),
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line: point('l'),
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lineTo: point('L'),
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curve: curve('t', 's', 'q', 'c'),
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curveTo: curve('T', 'S', 'Q', 'C'),
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arc: arc('a', 1),
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arcTo: arc('A', 1),
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counterArc: arc('a', 0),
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counterArcTo: arc('A', 0),
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close: function(){
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return this.push('z');
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},
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toSVG: function(){
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return this.path.join(' ');
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}
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});
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SVGPath.prototype.toString = SVGPath.prototype.toSVG;
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module.exports = SVGPath;
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