45 lines
954 B
JavaScript
45 lines
954 B
JavaScript
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var Shape = require('./generic');
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module.exports = Shape(function(width, height, radius){
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this.width = width;
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this.height = height;
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var path = this.path;
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if (!radius){
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path.move(0, 0).line(width, 0).line(0, height).line(-width, 0).line(0, -height);
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} else {
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if (typeof radius == 'number') radius = [radius, radius, radius, radius];
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var tl = radius[0], tr = radius[1], br = radius[2], bl = radius[3];
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if (tl < 0) tl = 0;
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if (tr < 0) tr = 0;
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if (bl < 0) bl = 0;
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if (br < 0) br = 0;
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path.move(0, tl);
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if (width < 0) path.move(width, 0);
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if (height < 0) path.move(0, height);
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if (tl > 0) path.arc(tl, -tl);
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path.line(Math.abs(width) - (tr + tl), 0);
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if (tr > 0) path.arc(tr, tr);
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path.line(0, Math.abs(height) - (tr + br));
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if (br > 0) path.arc(-br, br);
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path.line(- Math.abs(width) + (br + bl), 0);
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if (bl > 0) path.arc(-bl, -bl);
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path.line(0, - Math.abs(height) + (bl + tl));
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}
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path.close();
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});
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