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re-use variable in destStoreARGB32() drawing helper

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2020-09-27 21:37:27 +03:00
parent 3eb3978582
commit 21aeb562bf
1 changed files with 1 additions and 1 deletions
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src/gui/painting/qdrawhelper.cpp
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@ -241,7 +241,7 @@ static void QT_FASTCALL destStoreARGB32(QRasterBuffer *rasterBuffer, int x, int
else if (alpha == 0) else if (alpha == 0)
data[i] = 0; data[i] = 0;
else { else {
int inv_alpha = 0xff0000/qAlpha(buffer[i]); int inv_alpha = 0xff0000/alpha;
data[i] = (p & 0xff000000) data[i] = (p & 0xff000000)
| ((qRed(p)*inv_alpha) & 0xff0000) | ((qRed(p)*inv_alpha) & 0xff0000)
| (((qGreen(p)*inv_alpha) >> 8) & 0xff00) | (((qGreen(p)*inv_alpha) >> 8) & 0xff00)