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  1. Qt
  2. QTBUG-39287

[REG 5.3 -> 5.2.1] Bad icon resolution of .ico files

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P3: Somewhat important
    • Resolution: Done
    • Affects Version/s: 5.3.0
    • Fix Version/s: 5.3.2
    • Labels:
      None
    • Environment:
      Windows 7 32 bit, Linux
    • Commits:
      Fix test: 37312d2950605c7044263dfc582f99679d9cfc39 (branch 5.3, 22.6.2014, 5.3.2), Icon fix: b08b63f65267038911106ea7e0fba039e4e95151 (branch 5.3, 22.6.2014, 5.3.2)

      Description

      I've noticed that starting from QT 5.3.0, for some of our application icons, the image quality has become very poor. Given for example a MainWindow, try to set the attached icon as the windowIcon using Designer or the image of a menu item. What you can see is that the quality in the preview is very poor, even if the original image quality is good. Everything was fine with QT 5.2.1 and previous versions

        Attachments

        1. mainAppIcon.ico
          112 kB
        2. qtbug39287_52_diag.diff
          2 kB
        3. qtbug39287.png
          qtbug39287.png
          25 kB
        4. qtbug39287.zip
          117 kB
        5. qtbug39287code_qtlogo.png
          qtbug39287code_qtlogo.png
          84 kB
        6. qtbug39287code.png
          qtbug39287code.png
          152 kB
        7. qtbug39287code.zip
          158 kB

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              People

              Assignee:
              kleint Friedemann Kleint
              Reporter:
              andrea.bergamini Andrea Bergamini
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                Dates

                Created:
                Updated:
                Resolved:

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