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Get rid of non functional pointer juggling and replace it with a working data conversion.

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This resolves #489.
This commit is contained in:
wolfbeast
2016-09-07 02:16:36 +02:00
committed by roytam1
parent 915a8f37a7
commit 97ff398f18
1 changed files with 7 additions and 5 deletions
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image/decoders/nsWEBPDecoder.cpp
+7 -5
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@@ -135,11 +135,13 @@ nsWEBPDecoder::WriteInternal(const char *aBuffer, uint32_t aCount)
// Transfer from mData to mImageData
if (lastLineRead > mLastLine) {
for (int line = mLastLine; line < lastLineRead; line++) {
uint32_t *cptr32 = (uint32_t*)(mImageData + (line * width));
uint8_t *cptr8 = mData + (line * stride);
for (int pix = 0; pix < width; pix++, cptr8 += 4) {
// if((cptr8[3] != 0) && (cptr8[0] != 0) && (cptr8[1] != 0) && (cptr8[2] != 0))
*cptr32++ = gfxPackedPixel(cptr8[3], cptr8[0], cptr8[1], cptr8[2]);
for (int pix = 0; pix < width; pix++) {
// RGBA -> BGRA
uint32_t DataOffset = 4 * (line * width + pix);
mImageData[DataOffset+0] = mData[DataOffset+2];
mImageData[DataOffset+1] = mData[DataOffset+1];
mImageData[DataOffset+2] = mData[DataOffset+0];
mImageData[DataOffset+3] = mData[DataOffset+3];
}
}