27 lines
725 B
JavaScript
27 lines
725 B
JavaScript
function Filter_Invert()
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{
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Filter.call(this);
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this.parameters = [];
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this.render = function(cmd)
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{
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var imageObj = new Image();
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imageObj.src = ronin.surface.active_layer.element.toDataURL('image/png');
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var w = ronin.surface.settings["size"].width;
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var h = ronin.surface.settings["size"].height;
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var context = ronin.surface.active_layer.context();
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var originalData = context.getImageData(0, 0, w*2, h*2);
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var data = originalData.data;
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for(var i = 0; i < data.length; i += 4) {
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data[i] = 255 - data[i];
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data[i + 1] = 255 - data[i + 1];
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data[i + 2] = 255 - data[i + 2];
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}
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ronin.surface.active_layer.clear();
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context.putImageData(originalData, 0, 0);
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}
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} |