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Improve on automatic circle segment count calculation. (#3808) Amends

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This commit is contained in:
ocornut
2021-02-17 13:06:26 +01:00
parent f107693d9b
commit fb15d8c858
5 changed files with 41 additions and 48 deletions
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11
imgui_draw.cpp
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@ -544,17 +544,12 @@ void ImDrawList::_OnChangedVtxOffset()
int ImDrawList::_CalcCircleAutoSegmentCount(float radius) const
{
int num_segments = 0;
const int radius_idx = (int)ImCeil(radius); // Use ceil to never reduce accuracy
// Automatic segment count
const int radius_idx = (int)(radius + 0.999f); // ceil to never reduce accuracy
if (radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts))
num_segments = _Data->CircleSegmentCounts[radius_idx]; // Use cached value
return _Data->CircleSegmentCounts[radius_idx]; // Use cached value
else
num_segments = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError);
return num_segments;
return IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError);
}
// Render-level scissoring. This is passed down to your render function but not used for CPU-side coarse clipping. Prefer using higher-level ImGui::PushClipRect() to affect logic (hit-testing and widget culling)