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ImDrawList: added AddRectFilledMultiColor() helper + minor optimisation.

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ocornut 2015-07-12 10:48:06 -06:00
parent 7a0004eb86
commit 6520b6c458
2 changed files with 20 additions and 4 deletions
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23
imgui.cpp
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@ -9202,10 +9202,10 @@ void ImDrawList::AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float roun
if (r == 0.0f || rounding_corners == 0)
{
PrimReserve(4*6);
PrimLine(ImVec2(a.x,a.y), ImVec2(b.x,a.y), col);
PrimLine(ImVec2(b.x,a.y), ImVec2(b.x,b.y), col);
PrimLine(ImVec2(b.x,b.y), ImVec2(a.x,b.y), col);
PrimLine(ImVec2(a.x,b.y), ImVec2(a.x,a.y), col);
PrimLine(a, ImVec2(b.x,a.y), col);
PrimLine(ImVec2(b.x,a.y), b, col);
PrimLine(b, ImVec2(a.x,b.y), col);
PrimLine(ImVec2(a.x,b.y), a, col);
}
else
{
@ -9257,6 +9257,21 @@ void ImDrawList::AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, floa
}
}
void ImDrawList::AddRectFilledMultiColor(const ImVec2& a, const ImVec2& b, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left)
{
if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) >> 24) == 0)
return;
const ImVec2 uv = GImGui->FontTexUvWhitePixel;
PrimReserve(6);
PrimVtx(a, uv, col_upr_left);
PrimVtx(ImVec2(b.x,a.y), uv, col_upr_right);
PrimVtx(ImVec2(b.x,b.y), uv, col_bot_right);
PrimVtx(a, uv, col_upr_left);
PrimVtx(b, uv, col_bot_right);
PrimVtx(ImVec2(a.x,b.y), uv, col_bot_left);
}
void ImDrawList::AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col)
{
if ((col >> 24) == 0)

1
imgui.h
View File

@ -1044,6 +1044,7 @@ struct ImDrawList
IMGUI_API void AddLine(const ImVec2& a, const ImVec2& b, ImU32 col, float thickness = 1.0f);
IMGUI_API void AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding = 0.0f, int rounding_corners = 0x0F);
IMGUI_API void AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding = 0.0f, int rounding_corners = 0x0F);
IMGUI_API void AddRectFilledMultiColor(const ImVec2& a, const ImVec2& b, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left);
IMGUI_API void AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col);
IMGUI_API void AddCircle(const ImVec2& centre, float radius, ImU32 col, int num_segments = 12);
IMGUI_API void AddCircleFilled(const ImVec2& centre, float radius, ImU32 col, int num_segments = 12);