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| author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2018-12-04 15:05:04 +0100 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2019-09-22 17:15:26 +0200 |
| commit | d0d18b06458edd3b6b0712ea71c787404bbaa7e1 (patch) | |
| tree | 3918a8c40b49c69bef47fcd01598e854bfd77dfc /src/gui/painting/qrgba64_p.h | |
| parent | bc35941dbbf6cbd09805a2217ecb062c565855ad (diff) | |
Handle transparent pen color in fast text path
Switches the text blending to be SourceOver as that is
much more common than Source, and means we can now handle
semi-transparent text colors there.
Task-number: QTBUG-72165
Change-Id: I7b3aedb22412e6fb6f60197596b37f26c6008784
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Diffstat (limited to 'src/gui/painting/qrgba64_p.h')
| -rw-r--r-- | src/gui/painting/qrgba64_p.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gui/painting/qrgba64_p.h b/src/gui/painting/qrgba64_p.h index ca879de27c..d145dbfbea 100644 --- a/src/gui/painting/qrgba64_p.h +++ b/src/gui/painting/qrgba64_p.h @@ -284,6 +284,8 @@ static Q_ALWAYS_INLINE void blend_pixel(QRgba64 &dst, QRgba64 src) static Q_ALWAYS_INLINE void blend_pixel(QRgba64 &dst, QRgba64 src, const int const_alpha) { + if (const_alpha == 255) + return blend_pixel(dst, src); if (!src.isTransparent()) { src = multiplyAlpha255(src, const_alpha); dst = src + multiplyAlpha65535(dst, 65535 - src.alpha()); |