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update tng.

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This commit is contained in:
Christopher Jeffrey 2015-07-18 15:10:25 -07:00
parent cd1599e833
commit d2a2847506
1 changed files with 4 additions and 2 deletions
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6
vendor/tng.js vendored
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@ -1054,6 +1054,7 @@ PNG.prototype.toPNG = function(input) {
, img
, gif
, i
, control
, disposeOp;
if (format !== 'gif') {
@ -1074,7 +1075,8 @@ PNG.prototype.toPNG = function(input) {
img = gif.images[i];
// Convert from gif disposal to png disposal. See:
// http://www.w3.org/Graphics/GIF/spec-gif89a.txt
disposeOp = Math.max(0, (gif.disposeMethod || 0) - 1);
control = img.control || gif;
disposeOp = Math.max(0, (control.disposeMethod || 0) - 1);
if (disposeOp > 2) disposeOp = 0;
this.frames.push({
fctl: {
@ -1083,7 +1085,7 @@ PNG.prototype.toPNG = function(input) {
height: img.height,
xOffset: img.left,
yOffset: img.top,
delayNum: gif.delay,
delayNum: control.delay,
delayDen: 100,
disposeOp: disposeOp,
blendOp: 1