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Diffstat (limited to 'src/gui/painting/qimagescale.cpp')
-rw-r--r-- | src/gui/painting/qimagescale.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/gui/painting/qimagescale.cpp b/src/gui/painting/qimagescale.cpp index 7b6a71737d..33dccc5374 100644 --- a/src/gui/painting/qimagescale.cpp +++ b/src/gui/painting/qimagescale.cpp @@ -305,7 +305,10 @@ static void qt_qimageScaleAARGBA_up_xy(QImageScaleInfo *isi, unsigned int *dest, for (int x = 0; x < dw; x++) { const unsigned int *pix = sptr + xpoints[x]; const int xap = xapoints[x]; - *dptr = INTERPOLATE_PIXEL_256(pix[0], 256 - xap, pix[1], xap); + if (xap > 0) + *dptr = INTERPOLATE_PIXEL_256(pix[0], 256 - xap, pix[1], xap); + else + *dptr = pix[0]; dptr++; } } |