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update tng.

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This commit is contained in:
Christopher Jeffrey 2015-07-16 20:09:02 -07:00
parent 78fad856b6
commit ea8c671251
1 changed files with 40 additions and 35 deletions
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75
vendor/tng.js vendored
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@ -889,25 +889,18 @@ PNG.prototype.compileFrames_locpu = function(frames) {
}; };
PNG.prototype.renderFrame = function(bmp, frame, i) { PNG.prototype.renderFrame = function(bmp, frame, i) {
var renderBmp = bmp var first = this.frames[0]
, first = this.frames[0]
, last = this.frames[i - 1] , last = this.frames[i - 1]
, fc = frame.fctl , fc = frame.fctl
, xo = fc.xOffset , xo = fc.xOffset
, yo = fc.yOffset , yo = fc.yOffset
, lxo , lxo
, lyo , lyo
, ops
, x , x
, y , y
, line , line
, p; , p;
ops = (xo + yo + fc.blendOp)
+ (last ? last.fctl.disposeOp : 0)
+ ~~(fc.width !== first.fctl.width)
+ ~~(fc.height !== first.fctl.height);
if (!this._curBmp) { if (!this._curBmp) {
this._curBmp = []; this._curBmp = [];
for (y = 0; y < first.fctl.height; y++) { for (y = 0; y < first.fctl.height; y++) {
@ -920,39 +913,51 @@ PNG.prototype.renderFrame = function(bmp, frame, i) {
} }
} }
if (last && ops) { if (last && last.fctl.disposeOp !== 0) {
if (last.fctl.disposeOp) { lxo = last.fctl.xOffset;
lxo = last.fctl.xOffset; lyo = last.fctl.yOffset;
lyo = last.fctl.yOffset; for (y = 0; y < last.fctl.height; y++) {
for (y = 0; y < last.fctl.height; y++) { for (x = 0; x < last.fctl.width; x++) {
for (x = 0; x < last.fctl.width; x++) { if (last.fctl.disposeOp === 0) {
if (last.fctl.disposeOp === 1) { // none / keep
this._curBmp[lyo + y][lxo + x] = { r: 0, g: 0, b: 0, a: 0 }; } else if (last.fctl.disposeOp === 1) {
} else if (last.fctl.disposeOp === 2) { // background / clear
p = this._lastBmp[y][x]; this._curBmp[lyo + y][lxo + x] = { r: 0, g: 0, b: 0, a: 0 };
this._curBmp[lyo + y][lxo + x] = { r: p.r, g: p.g, b: p.b, a: p.a }; } else if (last.fctl.disposeOp === 2) {
} // previous / restore
p = this._lastBmp[y][x];
this._curBmp[lyo + y][lxo + x] = { r: p.r, g: p.g, b: p.b, a: p.a };
} }
} }
} }
for (y = 0; y < frame.fctl.height; y++) {
for (x = 0; x < frame.fctl.width; x++) {
p = bmp[y][x];
if (fc.blendOp === 0) {
this._curBmp[yo + y][xo + x] = { r: p.r, g: p.g, b: p.b, a: p.a };
} else if (fc.blendOp === 1) {
if (bmp[y][x].a !== 0) {
this._curBmp[yo + y][xo + x] = { r: p.r, g: p.g, b: p.b, a: p.a };
}
}
}
}
renderBmp = this._curBmp;
} }
this._lastBmp = bmp; this._lastBmp = [];
for (y = 0; y < frame.fctl.height; y++) {
line = [];
for (x = 0; x < frame.fctl.width; x++) {
p = this._curBmp[yo + y][xo + x];
line.push({ r: p.r, g: p.g, b: p.b, a: p.a });
}
this._lastBmp.push(line);
}
return renderBmp; for (y = 0; y < frame.fctl.height; y++) {
for (x = 0; x < frame.fctl.width; x++) {
p = bmp[y][x];
if (fc.blendOp === 0) {
// source
this._curBmp[yo + y][xo + x] = { r: p.r, g: p.g, b: p.b, a: p.a };
} else if (fc.blendOp === 1) {
// over
if (p.a !== 0) {
this._curBmp[yo + y][xo + x] = { r: p.r, g: p.g, b: p.b, a: p.a };
}
}
}
}
return this._curBmp;
}; };
PNG.prototype._animate = function(callback) { PNG.prototype._animate = function(callback) {