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QRasterPaintEngine: Don't detach QImage

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Caught being detached a few thousand times per second.

Change-Id: I9f3c80cc5178ec2016041a4f2f6e6e1f458171f1
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
This commit is contained in:
Sérgio Martins 2015-06-26 20:40:50 +01:00
parent aa09cc029f
commit 2a81516835
1 changed files with 3 additions and 3 deletions
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6
src/gui/painting/qpaintengine_raster.cpp
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@ -2752,12 +2752,12 @@ bool QRasterPaintEngine::drawCachedGlyphs(int numGlyphs, const glyph_t *glyphs,
QFixed spp = fontEngine->subPixelPositionForX(positions[i].x);
QPoint offset;
QImage *alphaMap = fontEngine->lockedAlphaMapForGlyph(glyphs[i], spp, neededFormat, s->matrix,
&offset);
const QImage *alphaMap = fontEngine->lockedAlphaMapForGlyph(glyphs[i], spp, neededFormat, s->matrix,
&offset);
if (alphaMap == 0 || alphaMap->isNull())
continue;
alphaPenBlt(alphaMap->bits(), alphaMap->bytesPerLine(), alphaMap->depth(),
alphaPenBlt(alphaMap->constBits(), alphaMap->bytesPerLine(), alphaMap->depth(),
qFloor(positions[i].x) + offset.x(),
qRound(positions[i].y) + offset.y(),
alphaMap->width(), alphaMap->height());