diff options
| author | Luboš Luňák <l.lunak@collabora.com> | 2020-10-02 16:19:17 +0200 |
|---|---|---|
| committer | Luboš Luňák <l.lunak@collabora.com> | 2020-10-03 09:29:53 +0200 |
| commit | 1aa7f471c54ef5a15b714a487188c2d7f1735f12 (patch) | |
| tree | 5053e39b2078312e51fc5f46aeaef39c94c02319 /vcl | |
| parent | 6ee9ab65db0a993bc93bbf0140f0a4657be10657 (diff) | |
use a proper alpha mask bitmap
Bitmap(size,8) is not actually 8bit grey bitmap, it uses some
other palette, so BitmapEx ctor will convert it. This is a silly
mistake from c2275ee554cae1cf4909a4fc12be4be127be011e.
Change-Id: Id7e8cac5d187859cac067ab3fa075e4e4749f91f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/103865
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
Diffstat (limited to 'vcl')
| -rw-r--r-- | vcl/source/outdev/bitmap.cxx | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/vcl/source/outdev/bitmap.cxx b/vcl/source/outdev/bitmap.cxx index bcab1a4d7793..2a013fe119b2 100644 --- a/vcl/source/outdev/bitmap.cxx +++ b/vcl/source/outdev/bitmap.cxx @@ -1088,8 +1088,8 @@ bool OutputDevice::DrawTransformBitmapExDirect( } else if (mpAlphaVDev) { - aAlphaBitmap = Bitmap(rBitmapEx.GetSizePixel(), 8); - aAlphaBitmap.Erase(COL_BLACK); + aAlphaBitmap = AlphaMask(rBitmapEx.GetSizePixel()); + aAlphaBitmap.Erase(COL_BLACK); // opaque } SalBitmap* pSalAlphaBmp = aAlphaBitmap.ImplGetSalBitmap().get(); @@ -1105,8 +1105,8 @@ bool OutputDevice::DrawTransformBitmapExDirect( if (mpAlphaVDev) { // Merge bitmap alpha to alpha device - Bitmap aBlack(rBitmapEx.GetSizePixel(), 8); - aBlack.Erase(COL_BLACK); + AlphaMask aBlack(rBitmapEx.GetSizePixel()); + aBlack.Erase(0); // opaque mpAlphaVDev->DrawTransformBitmapExDirect(aFullTransform, BitmapEx(aBlack, aAlphaBitmap)); } |