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  1. JDK
  2. JDK-8159142

[hidpi] Visible artifacts in sun/java2d/SunGraphics2D/DrawImageBilinear.java

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    • 2d
    • b34

    Description

      Run this test on a HiDPI machine or with sun.java2d.uiScale=2.5 -- it would fail, and some of the painted squares will have visible gradients at the right and lower sides.

      On my Windows 10 box it is 3rd square, and the artifacts are dark and prominent. The issue comes when the test is run with non-integer scale and -Dsun.java2d.opengl=True

      Note that with integer scale the test does pass on Windows -- but a real HiDPI screen here has exactly scale 2.5 factor.

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          duplicates

          Bug - A problem which impairs or prevents the functions of the product. JDK-8159062 [hidpi] DnD on Windows while scaling is non-integer

          • P3 - Major loss of function.
          • Resolved
          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8189957 [hidpi] [Linux] Visible artifacts in sun/java2d/SunGraphics2D/DrawImageBilinear.java

          • P3 - Major loss of function.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. JDK-8191406 [hidpi] sun/java2d/SunGraphics2D/DrawImageBilinear.java test fails

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

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              pbansal Pankaj Bansal (Inactive)
              yan Yuri Nesterenko
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