2013-04-07 18:16:47 +00:00
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(function () {
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var ns = $.namespace("pskl.rendering");
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ns.CanvasRenderer = function (frame, dpi) {
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this.frame = frame;
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this.dpi = dpi;
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};
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ns.CanvasRenderer.prototype.render = function (frame, dpi) {
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var canvas = this.createCanvas_();
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var context = canvas.getContext('2d');
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for(var col = 0, width = this.frame.getWidth(); col < width; col++) {
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for(var row = 0, height = this.frame.getHeight(); row < height; row++) {
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var color = this.frame.getPixel(col, row);
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this.renderPixel_(color, col, row, context);
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}
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}
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return context;
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};
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ns.CanvasRenderer.prototype.renderPixel_ = function (color, col, row, context) {
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if(color == Constants.TRANSPARENT_COLOR) {
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color = "#FFF";
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}
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context.fillStyle = color;
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context.fillRect(col * this.dpi, row * this.dpi, this.dpi, this.dpi);
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};
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ns.CanvasRenderer.prototype.createCanvas_ = function () {
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var width = this.frame.getWidth() * this.dpi;
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var height = this.frame.getHeight() * this.dpi;
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return pskl.CanvasUtils.createCanvas(width, height);
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};
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2013-05-27 21:42:53 +00:00
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})();
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