diff options
Diffstat (limited to 'src/gui/image')
| -rw-r--r-- | src/gui/image/qimage.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp index 571ef9d..21ca1e3 100644 --- a/src/gui/image/qimage.cpp +++ b/src/gui/image/qimage.cpp @@ -4083,7 +4083,8 @@ QImage QImage::createAlphaMask(Qt::ImageConversionFlags flags) const } QImage mask(d->width, d->height, Format_MonoLSB); - dither_to_Mono(mask.d, d, flags, true); + if (!mask.isNull()) + dither_to_Mono(mask.d, d, flags, true); return mask; } |