diff options
Diffstat (limited to 'src/gui/painting/qpaintengine_raster.cpp')
| -rw-r--r-- | src/gui/painting/qpaintengine_raster.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp index a212718..84b36c7 100644 --- a/src/gui/painting/qpaintengine_raster.cpp +++ b/src/gui/painting/qpaintengine_raster.cpp @@ -2419,7 +2419,9 @@ void QRasterPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pixmap, cons drawImage(r, image, sr); } } else { - const QImage image = pixmap.toImage(); + QRect clippedSource = sr.toAlignedRect().intersected(pixmap.rect()); + const QImage image = pd->toImage(clippedSource); + QRectF translatedSource = sr.translated(-clippedSource.topLeft()); if (image.depth() == 1) { Q_D(QRasterPaintEngine); QRasterPaintEngineState *s = state(); @@ -2430,10 +2432,10 @@ void QRasterPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pixmap, cons drawBitmap(r.topLeft() + QPointF(s->matrix.dx(), s->matrix.dy()), image, &s->penData); return; } else { - drawImage(r, d->rasterBuffer->colorizeBitmap(image, s->pen.color()), sr); + drawImage(r, d->rasterBuffer->colorizeBitmap(image, s->pen.color()), translatedSource); } } else { - drawImage(r, image, sr); + drawImage(r, image, translatedSource); } } } @@ -2688,7 +2690,11 @@ void QRasterPaintEngine::drawImage(const QRectF &r, const QImage &img, const QRe if (s->matrix.type() > QTransform::TxTranslate || stretch_sr) { - if (s->flags.fast_images) { + QRectF targetBounds = s->matrix.mapRect(r); + bool exceedsPrecision = targetBounds.width() > 0xffff + || targetBounds.height() > 0xffff; + + if (s->flags.fast_images && !exceedsPrecision) { if (s->matrix.type() > QTransform::TxScale) { SrcOverTransformFunc func = qTransformFunctions[d->rasterBuffer->format][img.format()]; if (func && (!clip || clip->hasRectClip)) { |