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  1. Qt
  2. QTBUG-81506

Memory Leak with QPinter.drawText() in QThread

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Details

    • Bug
    • Resolution: Out of scope
    • Not Evaluated
    • None
    • 4.8.4, 4.8.5
    • GUI: Font handling
    • None
    • Windows 7/10
      Visual studio 2010
      Qt 4.8.4/4.8.5 Win32
    • Windows

    Description

      Hi. We are building a large software with Qt 4.8.4_Win32 + Visual Stuido 2010. Few months ago, we found continue memory usage rising when we use QPainter.drawText() in QThread. Then we made a program(as attachment) and make sure there is a memory leak. Here is screen print. We tried 4.8.4 and 4.8.5 and result is the same. Thanks for helping us.

       

      Attachments

        1. memleak.zip
          13 kB
        2. memleakCode-main.png
          memleakCode-main.png
          159 kB
        3. memleak-drawText.png
          memleak-drawText.png
          219 kB
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            esabraha Eskil Abrahamsen Blomfeldt
            ncmeme MieMie Wang
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            Dates

              Created:
              Updated:
              Resolved:

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