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  1. Qt
  2. QTBUG-42330

QPainter::SmoothPixmapTransform is not smooth at over 2x downscaling

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    • macOS

      QPainter::setRenderHint(QPainter::SmoothPixmapTransform) has no effect whatsoever when painting a QPixmap when QPainter scale is less than 1.0

      When the included project is compiled with Qt4, the results are exceptional. When compiled with Qt 5.3.2 the results are unacceptable.

        1. HorridCanvas.zip
          1 kB
          Christopher
        2. Qt4-vs-Qt5.png
          20 kB
          Christopher
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            allan.jensen Allan Sandfeld Jensen
            sosukodo Christopher
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              Created:
              Updated:

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