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Direct2D QPA: Choose linear interpolation for smooth pixmap transform 

Let's do the same thing the raster engine does. Much faster too.

Change-Id: I88ea9d2c2ac78feee1193b75a9e96c62a7bd5979
Reviewed-by: Risto Avila <risto.avila@digia.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
bb10
Louai Al-Khanji 2014-05-09 11:15:55 +03:00 committed by The Qt Project
parent 17dda3917d
commit 6c42ddf31f
1 changed files with 1 additions and 2 deletions
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3
src/plugins/platforms/direct2d/qwindowsdirect2dpaintengine.cpp
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@ -382,8 +382,7 @@ public:
inline D2D1_INTERPOLATION_MODE interpolationMode() const
{
Q_Q(const QWindowsDirect2DPaintEngine);
// XXX are we choosing the right d2d interpolation modes?
return (q->state()->renderHints & QPainter::SmoothPixmapTransform) ? D2D1_INTERPOLATION_MODE_HIGH_QUALITY_CUBIC
return (q->state()->renderHints & QPainter::SmoothPixmapTransform) ? D2D1_INTERPOLATION_MODE_LINEAR
: D2D1_INTERPOLATION_MODE_NEAREST_NEIGHBOR;
}