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  1. Qt
  2. QTBUG-111498

QPainter::drawImage() broken on big images when OpenGL is used

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    • 55568b8c6 (dev), 84f5dcf4e (6.5) 

      QPainter::drawImage(const QPointF &point, const QImage &image, const QRectF &source)

      is broken on big images when drawing to a QGraphicsView based on QOpenGLWidget.

      Use the attached example with a big image (my samples are > 8192x8192) to trigger the bug.

        1. opengl_bug.tar.gz
          1 kB
          Martin Tůma
        2. paris_france-mercator.jpg
          20.04 MB
          Martin Tůma
        3. screenshot-1.png
          173 kB
          Laszlo Agocs
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            kskau Kristoffer Skau
            tumic Martin Tůma
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              Created:
              Updated:
              Resolved:

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