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ImDrawList: Clarified PathArcTo() need for a_min <= a_max with an assert. Fixed PathArcToFast() handling of a_min > a_max.

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ocornut
2021-02-08 16:37:51 +01:00
parent 03038df1cc
commit 56f7bdae99
4 changed files with 17 additions and 12 deletions
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4
imgui_draw.cpp
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@ -1018,11 +1018,12 @@ void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_coun
void ImDrawList::PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12)
{
if (radius == 0.0f || a_min_of_12 > a_max_of_12)
if (radius == 0.0f)
{
_Path.push_back(center);
return;
}
IM_ASSERT(a_min_of_12 <= a_max_of_12);
// For legacy reason the PathArcToFast() always takes angles where 2*PI is represented by 12,
// but it is possible to set IM_DRAWLIST_ARCFAST_TESSELATION_MULTIPLIER to a higher value. This should compile to a no-op otherwise.
@ -1046,6 +1047,7 @@ void ImDrawList::PathArcTo(const ImVec2& center, float radius, float a_min, floa
_Path.push_back(center);
return;
}
IM_ASSERT(a_min <= a_max);
// Note that we are adding a point at both a_min and a_max.
// If you are trying to draw a full closed circle you don't want the overlapping points!