Method AddRect

extern/imgui/imgui_draw.cpp:1393–1402

p_min = upper-left, p_max = lower-right Note we don't render 1 pixels sized rectangles properly.

// p_min = upper-left, p_max = lower-right
// Note we don't render 1 pixels sized rectangles properly.
void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags, float thickness)
{
    if ((col & IM_COL32_A_MASK) == 0)
        return;
    if (Flags & ImDrawListFlags_AntiAliasedLines)
        PathRect(p_min + ImVec2(0.50f, 0.50f), p_max - ImVec2(0.50f, 0.50f), rounding, flags);
    else
        PathRect(p_min + ImVec2(0.50f, 0.50f), p_max - ImVec2(0.49f, 0.49f), rounding, flags); // Better looking lower-right corner and rounded non-AA shapes.
    PathStroke(col, ImDrawFlags_Closed, thickness);
}

void ImDrawList::AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags)
{