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Issue #414: part6: Support transparency when exporting as PNG spritesheet

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Added flattenFrameAt to LayerUtils.
Added renderFrameAt to PiskelController (using flattenFrameAt)
Use renderFrameAt in PiskelRenderer (which is used for PNG spritesheet)

chore: renamed createLayerFromSpritesheet to createFramesFromSpritesheet
       (in LayerUtils)
This commit is contained in:
Julian Descottes
2016-03-09 23:37:09 +01:00
committed by juliandescottes
parent d2dc42e7cf
commit 7bf2662b66
7 changed files with 138 additions and 11 deletions
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4
test/js/utils/FrameUtilsTest.js
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@@ -74,7 +74,7 @@ describe("FrameUtils suite", function() {
]);
});
it ("[LayerUtils] creates a layer from a simple spritesheet", function () {
it ("[LayerUtils] creates frames from a simple spritesheet", function () {
var B = black, R = red;
// original image in 4x2
@@ -86,7 +86,7 @@ describe("FrameUtils suite", function() {
var spritesheet = pskl.utils.FrameUtils.toImage(frame);
// split the spritesheet by 4
var frames = pskl.utils.LayerUtils.createLayerFromSpritesheet(spritesheet, 4);
var frames = pskl.utils.LayerUtils.createFramesFromSpritesheet(spritesheet, 4);
// expect 4 frames of 1x2
expect(frames.length).toBe(4);