diff options
| author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2021-05-07 17:14:30 +0200 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2021-05-10 16:48:31 +0000 |
| commit | ab216eaebf6d028367fddb93897bfb7ad694cc46 (patch) | |
| tree | 5656f5cc301fd8dcb1e6d25924b06f761f088ed5 /src | |
| parent | 78d8afed1ff1f8291dba4315768cf873c27789f2 (diff) | |
Fix antialiasing of rotated non-smooth scaled images
The fast-path can't antialias edges, and shouldn't be used when
that is requested.
Pick-to: 6.1 5.15
Change-Id: I3a0ce120ab96a6f95d11c165d1f5b356dae009fe
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gui/painting/qpaintengine_raster.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp index 8ea7e28748..3ce5b08326 100644 --- a/src/gui/painting/qpaintengine_raster.cpp +++ b/src/gui/painting/qpaintengine_raster.cpp @@ -2369,7 +2369,8 @@ void QRasterPaintEngine::drawImage(const QRectF &r, const QImage &img, const QRe if (s->matrix.type() > QTransform::TxScale) { SrcOverTransformFunc func = qTransformFunctions[d->rasterBuffer->format][img.format()]; // The fast transform methods doesn't really work on small targets, see QTBUG-93475 - if (func && (!clip || clip->hasRectClip) && targetBounds.width() >= 16 && targetBounds.height() >= 16) { + // And it can't antialias the edges + if (func && (!clip || clip->hasRectClip) && !s->flags.antialiased && targetBounds.width() >= 16 && targetBounds.height() >= 16) { func(d->rasterBuffer->buffer(), d->rasterBuffer->bytesPerLine(), img.bits(), img.bytesPerLine(), r, sr, !clip ? d->deviceRect : clip->clipRect, s->matrix, s->intOpacity); |