diff options
| author | Trond Kjernaasen <trond@trolltech.com> | 2010-03-15 14:05:54 (GMT) |
|---|---|---|
| committer | Trond Kjernaasen <trond@trolltech.com> | 2010-03-15 14:12:36 (GMT) |
| commit | be0b2f1eb209c0177500db3bf28bed3631523464 (patch) | |
| tree | ffa62f97e306b99a78d1e5554ce1409911dd7844 /src/gui | |
| parent | 5393499e4500ca7038ab6e95453cff89eface2f3 (diff) | |
| download | Qt-be0b2f1eb209c0177500db3bf28bed3631523464.zip Qt-be0b2f1eb209c0177500db3bf28bed3631523464.tar.gz Qt-be0b2f1eb209c0177500db3bf28bed3631523464.tar.bz2 | |
Fixed cleartype text rendering on translucent surfaces.
We were using gamma corrected 11 bit values instead of the 8 bit non-
corrected values, which caused some strange rendering effects.
Task-number: QTBUG-9036
Reviewed-by: Samuel
Diffstat (limited to 'src/gui')
| -rw-r--r-- | src/gui/painting/qdrawhelper.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp index 070491d..2724d7f 100644 --- a/src/gui/painting/qdrawhelper.cpp +++ b/src/gui/painting/qdrawhelper.cpp @@ -7174,9 +7174,9 @@ static inline void rgbBlendPixel(quint32 *dst, int coverage, int sr, int sg, int ) { int a = qGray(coverage); - sr = qt_div_255(sr * a); - sg = qt_div_255(sg * a); - sb = qt_div_255(sb * a); + sr = qt_div_255(qt_pow_rgb_invgamma[sr] * a); + sg = qt_div_255(qt_pow_rgb_invgamma[sg] * a); + sb = qt_div_255(qt_pow_rgb_invgamma[sb] * a); int ia = 255 - a; dr = qt_div_255(dr * ia); |