When drawing by lv_arc width rounded-ending style.
Occurs a little things as the following picture.
It’s a known issue: Add arc antialiasing by tgillbe · Pull Request #1228 · lvgl/lvgl · GitHub
This doesn’t currently play too nice with
style.line.rounded = 1(see demo). I haven’t changed how the rounded end caps are drawn - the issue with the line cap end drawing code is just more obvious when you have properly anti-aliased curves.
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