diff options
| -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 ca7930500e..96da5e029c 100644 --- a/src/gui/painting/qimagescale.cpp +++ b/src/gui/painting/qimagescale.cpp @@ -564,7 +564,10 @@ static void qt_qimageScaleRgba64_up_xy(QImageScaleInfo *isi, QRgba64 *dest, for (int x = 0; x < dw; x++) { const QRgba64 *pix = sptr + xpoints[x]; const int xap = xapoints[x]; - *dptr = interpolate256(pix[0], 256 - xap, pix[1], xap); + if (xap > 0) + *dptr = interpolate256(pix[0], 256 - xap, pix[1], xap); + else + *dptr = pix[0]; dptr++; } } |