Am 28.04.2024 um 13:50 schrieb Allan Sandfeld Jensen:
I think the problem with the cosmetic pen is partly the need to be symmetric.
Years ago I tried cleaning up the cosmetic pen, but had to revert it because
it violated rules about symmetry.
https://codereview.qt-project.org/c/qt/qtbase/+/200383
Though perhaps the non-cosmetic painting could have the rounding adjusted so
it would look better for your example. Otherwise try offsetting the triangle
by 0.5
I think I found a valid solution now:
https://codereview.qt-project.org/c/qt/qtbase/+/557989
The call to QPainter::drawPoints() is really strange - it is only needed
for the lower left edge when drawing PE_IndicatorArrowLeft on my system
here but I can't tell if it's diffferent for other sizes or systems... :(
Thx,
Christian
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