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ImDrawList: Fixed AddConvexPolyFilled() undefined behavior when passing points_count smaller than 3, in particular, points_count==0 could lead to a memory stomp if the draw list was previously empty.

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omar
2018-09-21 10:00:26 +02:00
parent 7c3b9172ad
commit 5719b23e01
2 changed files with 5 additions and 0 deletions
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3
imgui_draw.cpp
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@ -822,6 +822,9 @@ void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32
void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col)
{
if (points_count < 3)
return;
const ImVec2 uv = _Data->TexUvWhitePixel;
if (Flags & ImDrawListFlags_AntiAliasedFill)