diff options
Diffstat (limited to 'src/gui/painting')
-rw-r--r-- | src/gui/painting/qpaintengine_raster.cpp | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp index 4b06afd4eb..5bdf3299c9 100644 --- a/src/gui/painting/qpaintengine_raster.cpp +++ b/src/gui/painting/qpaintengine_raster.cpp @@ -2908,19 +2908,34 @@ bool QRasterPaintEngine::drawCachedGlyphs(int numGlyphs, const glyph_t *glyphs, for (int i = 0; i < numGlyphs; i++) { QFixed spp = fontEngine->subPixelPositionForX(positions[i].x); - QPoint offset; - const QImage *alphaMap = fontEngine->lockedAlphaMapForGlyph(glyphs[i], spp, neededFormat, s->matrix, - &offset); - if (alphaMap == 0 || alphaMap->isNull()) + const QFontEngine::Glyph *alphaMap = fontEngine->glyphData(glyphs[i], spp, neededFormat, s->matrix); + if (!alphaMap) continue; - alphaPenBlt(alphaMap->constBits(), alphaMap->bytesPerLine(), alphaMap->depth(), - qFloor(positions[i].x) + offset.x(), - qRound(positions[i].y) + offset.y(), - alphaMap->width(), alphaMap->height(), + int depth; + int bytesPerLine; + switch (alphaMap->format) { + case QFontEngine::Format_Mono: + depth = 1; + bytesPerLine = ((alphaMap->width + 31) & ~31) >> 3; + break; + case QFontEngine::Format_A8: + depth = 8; + bytesPerLine = (alphaMap->width + 3) & ~3; + break; + case QFontEngine::Format_A32: + depth = 32; + bytesPerLine = alphaMap->width * 4; + break; + default: + Q_UNREACHABLE(); + }; + + alphaPenBlt(alphaMap->data, bytesPerLine, depth, + qFloor(positions[i].x) + alphaMap->x, + qRound(positions[i].y) - alphaMap->y, + alphaMap->width, alphaMap->height, fontEngine->expectsGammaCorrectedBlending()); - - fontEngine->unlockAlphaMapForGlyph(); } } else { |