diff options
| -rw-r--r-- | src/gui/image/qpixmap_mac.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gui/image/qpixmap_mac.cpp b/src/gui/image/qpixmap_mac.cpp index 31aa192..f152718 100644 --- a/src/gui/image/qpixmap_mac.cpp +++ b/src/gui/image/qpixmap_mac.cpp @@ -413,7 +413,11 @@ void QMacPixmapData::fill(const QColor &fillColor) *(dptr + i) = colr; } } - macSetHasAlpha(fillColor.alpha() != 255); + + // If we had an alpha channel from before, don't + // switch it off. Only go from no alpha to alpha: + if (fillColor.alpha() != 255) + macSetHasAlpha(true); } QPixmap QMacPixmapData::alphaChannel() const |