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Fix transparency issues after deserialization

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This commit is contained in:
Julian Descottes 2016-10-09 12:59:22 +02:00 committed by juliandescottes
parent dd58af30b9
commit 1624792f61
2 changed files with 18 additions and 1 deletions
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15
src/js/utils/FrameUtils.js
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@ -129,6 +129,17 @@
return pskl.utils.FrameUtils.createFromImage(resizedImage);
},
removeTransparency : function (frame) {
frame.forEachPixel(function (color, x, y) {
var alpha = color >> 24 >>> 0 & 0xff;
if (alpha && alpha !== 255) {
var rounded = Math.round(alpha / 255) * 255;
var roundedColor = color - (alpha << 24 >>> 0) + (rounded << 24 >>> 0);
frame.setPixel(x, y, roundedColor);
}
});
},
createFromCanvas : function (canvas, x, y, w, h, preserveOpacity) {
var imgData = canvas.getContext('2d').getImageData(x, y, w, h).data;
return pskl.utils.FrameUtils.createFromImageData_(imgData, w, h, preserveOpacity);
@ -158,6 +169,10 @@
createFromImageData_ : function (imageData, width, height, preserveOpacity) {
var frame = new pskl.model.Frame(width, height);
frame.pixels = new Uint32Array(imageData.buffer);
if (!preserveOpacity) {
pskl.utils.FrameUtils.removeTransparency(frame);
}
return frame;
},

4
src/js/utils/serialization/Deserializer.js
View File

@ -127,7 +127,9 @@
var image = new Image();
image.onload = function() {
var frames = pskl.utils.LayerUtils.createFramesFromSpritesheet(this, layer.frameCount);
frames.forEach(layer.model.addFrame.bind(layer.model));
frames.forEach(function (frame) {
layer.model.addFrame(frame);
});
loadedLayers++;
if (loadedLayers == layerCount) {