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Code Issues Projects Releases Wiki Activity

Issue #357 : Trans. -> white if too many colors + add test files

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This commit is contained in:
jdescottes
2015-12-01 20:07:26 +01:00
parent e1592a8ace
commit 6583d8f8b9
5 changed files with 16 additions and 2 deletions
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14
src/js/controller/settings/exportimage/GifExportController.js
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@@ -6,6 +6,7 @@
var MAX_EXPORT_ZOOM = 20;
var DEFAULT_EXPORT_ZOOM = 10;
var MAGIC_PINK = '#FF00FF';
var WHITE = '#FFFFFF';
ns.GifExportController = function (piskelController) {
this.piskelController = piskelController;
@@ -105,10 +106,16 @@
var currentColors = pskl.app.currentColorsService.getCurrentColors();
var preserveColors = currentColors.length < MAX_GIF_COLORS;
var transparentColor = this.getTransparentColor(currentColors);
var transparentColor, transparent;
// transparency only supported if preserveColors is true, see Issue #357
var transparent = preserveColors ? parseInt(transparentColor.substring(1), 16) : null;
if (preserveColors) {
transparentColor = this.getTransparentColor(currentColors);
transparent = parseInt(transparentColor.substring(1), 16);
} else {
transparentColor = WHITE;
transparent = null;
}
var gif = new window.GIF({
workers: 5,
@@ -122,6 +129,9 @@
for (var i = 0 ; i < this.piskelController.getFrameCount() ; i++) {
var frame = this.piskelController.getFrameAt(i);
var canvasRenderer = new pskl.rendering.CanvasRenderer(frame, zoom);
if (preserveColors) {
}
canvasRenderer.drawTransparentAs(transparentColor);
var canvas = canvasRenderer.render();
gif.addFrame(canvas.getContext('2d'), {