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  1. Qt
  2. QTBUG-47142

QPainter::drawImage causes crash with certain ratio of QImage width and target width on High DPI Systems

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Details

    • Bug
    • Resolution: Duplicate
    • P2: Important
    • 5.6.1
    • 5.3.2, 5.5.0
    • GUI: Painting
    • None
    • Mac OS X, Retina Systems

    Description

      A special ratio of a QImage width and the target width used in QPainter::drawImage causes an assertion violation / buffer overflow in fetchTransformedBilinearARGB32PM on Retina Macs.
      One example is a QImage with width 2048 and target width 1023.999.

      Attachments

        1. mainwindow.cpp
          0.7 kB
        2. mainwindow.h
          0.3 kB
        3. RetinaTest_2015-07-10-112927_tarjan.crash
          49 kB
        4. RetinaTest.pro
          0.3 kB

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-50153 [OS X 10.10] Crash on drawing image

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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          Activity

            People

              allan.jensen Allan Sandfeld Jensen
              oxyt Frank Bodmann
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              Dates

                Created:
                Updated:
                Resolved:

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