QRasterPaintEngine: Don't detach QImage

Caught being detached a few thousand times per second.

Change-Id: I6dd5fd69d7d4f32048cdb7e4ac707f24df6c15f8
(cherry picked from commit 2a81516835)
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>
bb10
Sérgio Martins 2015-06-26 20:40:50 +01:00 committed by Milian Wolff
parent ffbc2d3dc0
commit df276787d5
1 changed files with 3 additions and 3 deletions

View File

@ -2756,12 +2756,12 @@ 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());