From d6c3fa6e0cdb55b9676f1a3f1365d835a039a6e2 Mon Sep 17 00:00:00 2001 From: Eirik Aavitsland Date: Wed, 10 Apr 2019 12:35:39 +0200 Subject: Fix aliased painting with non-uniform scaling The full stroker does not produce good results for aliased lines thinner than 1 pixel. Avoid it by making sure that such thin lines are painted by the cosmetic stroker, even when they have non-uniform transformation. Fixes: QTBUG-73866 Change-Id: I7b5f0fa555903246e0c3fd92cd435cc8c0b15a24 Reviewed-by: Allan Sandfeld Jensen --- src/gui/painting/qpaintengine_raster.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/gui') diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp index 90b6d16551..ab22a71134 100644 --- a/src/gui/painting/qpaintengine_raster.cpp +++ b/src/gui/painting/qpaintengine_raster.cpp @@ -796,7 +796,7 @@ void QRasterPaintEngine::updatePen(const QPen &pen) s->flags.fast_pen = pen_style > Qt::NoPen && s->penData.blend && ((cosmetic && penWidth <= 1) - || (!cosmetic && s->flags.tx_noshear && penWidth * s->txscale <= 1)); + || (!cosmetic && (s->flags.tx_noshear || !s->flags.antialiased) && penWidth * s->txscale <= 1)); s->flags.non_complex_pen = qpen_capStyle(s->lastPen) <= Qt::SquareCap && s->flags.tx_noshear; -- cgit v1.2.3