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fix #621 : allow color worker to detect up to 256 colors

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This commit is contained in:
juliandescottes 2017-01-25 15:07:55 +01:00
parent dc149f88d6
commit ba779a97a6
3 changed files with 6 additions and 3 deletions
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3
src/js/Constants.js
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@ -13,6 +13,9 @@ var Constants = {
MAX_WIDTH : 1024, MAX_WIDTH : 1024,
MAX_PALETTE_COLORS : 100, MAX_PALETTE_COLORS : 100,
// allow current colors service to get up to 256 colors.
// GIF generation is different if the color count goes over 256.
MAX_WORKER_COLORS : 256,
PREVIEW_FILM_SIZE : 96, PREVIEW_FILM_SIZE : 96,
ANIMATED_PREVIEW_WIDTH : 200, ANIMATED_PREVIEW_WIDTH : 200,

2
src/js/worker/framecolors/FrameColors.js
View File

@ -15,7 +15,7 @@
ns.FrameColors.prototype.process = function () { ns.FrameColors.prototype.process = function () {
this.worker.postMessage([ this.worker.postMessage([
pskl.utils.colorToInt(Constants.TRANSPARENT_COLOR), pskl.utils.colorToInt(Constants.TRANSPARENT_COLOR),
Constants.MAX_PALETTE_COLORS, this.pixels Constants.MAX_WORKER_COLORS, this.pixels
]); ]);
}; };

4
src/js/worker/framecolors/FrameColorsWorker.js
View File

@ -49,7 +49,7 @@
var frameColors = {}; var frameColors = {};
var transparentColorInt = this.TRANSPARENT_COLOR; var transparentColorInt = this.TRANSPARENT_COLOR;
var colors = 0; var colors = 0;
for (var i = 0, length = frame.length; i < length && colors < this.MAX_PALETTE_COLORS; i++) { for (var i = 0, length = frame.length; i < length && colors < this.MAX_WORKER_COLORS; i++) {
var color = frame[i]; var color = frame[i];
if (color !== transparentColorInt) { if (color !== transparentColorInt) {
if (!frameColors[color]) { if (!frameColors[color]) {
@ -64,7 +64,7 @@
this.onmessage = function(event) { this.onmessage = function(event) {
try { try {
this.TRANSPARENT_COLOR = event.data[0]; this.TRANSPARENT_COLOR = event.data[0];
this.MAX_PALETTE_COLORS = event.data[1]; this.MAX_WORKER_COLORS = event.data[1];
var frame = event.data[2]; var frame = event.data[2];
var colors = getFrameColors(frame); var colors = getFrameColors(frame);
this.postMessage({ this.postMessage({