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| author | Samuel Rødal <sroedal@trolltech.com> | 2009-04-01 16:21:37 (GMT) |
|---|---|---|
| committer | Samuel Rødal <sroedal@trolltech.com> | 2009-04-02 11:37:17 (GMT) |
| commit | c02ad8a6f03fb2c23e854783e7620a5a43d991c2 (patch) | |
| tree | 8b5c4be6b58dd4babc29ccdde0f717bf9cf50eff /src/gui/painting/qdrawhelper.cpp | |
| parent | 7887095d3a95335251e5c82c3ac7069c5d05a30d (diff) | |
| download | Qt-c02ad8a6f03fb2c23e854783e7620a5a43d991c2.zip Qt-c02ad8a6f03fb2c23e854783e7620a5a43d991c2.tar.gz Qt-c02ad8a6f03fb2c23e854783e7620a5a43d991c2.tar.bz2 | |
Improve performance of text blitting in raster paint engine.
Use INTERPOLATE_PIXEL_255 instead of two BYTE_MUL's.
Reviewed-by: Gunnar Sletta
Diffstat (limited to 'src/gui/painting/qdrawhelper.cpp')
| -rw-r--r-- | src/gui/painting/qdrawhelper.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp index ae936fe..789d96a 100644 --- a/src/gui/painting/qdrawhelper.cpp +++ b/src/gui/painting/qdrawhelper.cpp @@ -7077,7 +7077,7 @@ static void qt_alphamapblit_quint32(QRasterBuffer *rasterBuffer, #endif { int ialpha = 255 - coverage; - dest[i] = BYTE_MUL(c, uint(coverage)) + BYTE_MUL(dest[i], ialpha); + dest[i] = INTERPOLATE_PIXEL_255(c, coverage, dest[i], ialpha); } } } @@ -7118,7 +7118,7 @@ static void qt_alphamapblit_quint32(QRasterBuffer *rasterBuffer, #endif { int ialpha = 255 - coverage; - dest[xp] = BYTE_MUL(c, uint(coverage)) + BYTE_MUL(dest[xp], ialpha); + dest[xp] = INTERPOLATE_PIXEL_255(c, coverage, dest[xp], ialpha); } } |