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Support for HighDPI displays #953

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rainman110 opened this issue Feb 22, 2023 · 0 comments · Fixed by #954
Closed

Support for HighDPI displays #953

rainman110 opened this issue Feb 22, 2023 · 0 comments · Fixed by #954
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rainman110 commented Feb 22, 2023 •
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TiGL does not yet support HighDPI displays. When executed on a high dpi display, the 3D view will not be scaled correctly:

image

This glitch can be reproduced by setting the following environment variable:

QT_SCALE_FACTOR=2

Hints for a fix:

  • Qt uses Resolution Independent pixels, which are different than actual pixel counts on the display
  • There needs to be a conversion between Qt coordiantes and then OpenGL ones
  • classes TIGLQAspectWindow and TIGLViewerWidget need to be adapted
@rainman110 rainman110 self-assigned this Feb 22, 2023
rainman110 added a commit that referenced this issue Feb 22, 2023
@rainman110
Implemented high dpi screen support
0f2fdd9 
This is a backport from out GTlab code and also works well for TiGL.

Please test this by setting the screen scaling (under windows display settings)
to 200%.

Closes #953
@rainman110 rainman110 mentioned this issue Feb 22, 2023
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Implemented high dpi screen support DLR-SC/tigl
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