diff options
| -rw-r--r-- | src/gui/painting/qpaintengine_raster.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp index a212718..94e5cbc 100644 --- a/src/gui/painting/qpaintengine_raster.cpp +++ b/src/gui/painting/qpaintengine_raster.cpp @@ -2688,7 +2688,11 @@ 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)) { |