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  1. Qt
  2. QTBUG-115027

Line artifact drawn when some polygons share a border and no pen is defined

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Details

    • Bug
    • Resolution: Out of scope
    • P3: Somewhat important
    • None
    • 5.15.8, 6.5.4
    • GUI: Painting
    • None
    • Linux/X11

    Description

      When drawing polygons sharing a common border with drawPolygon method and anti-aliasing enabled, there is sometime an artifact white/gray line that appear.

      It's similar to https://bugreports.qt.io/browse/QTBUG-5440

      In the example, if you replace the number of squares from 8 to 10 the line disappear.

       

      Attachments

        1. graylines.png
          graylines.png
          6 kB
        2. main.cpp
          3 kB
        3. render.png
          render.png
          1.45 MB
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          People

            vgt Eirik Aavitsland
            troopa81 Julien Cabieces
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            Dates

              Created:
              Updated:
              Resolved:

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