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ImDrawList: add PathFillConcave(), AddConcavePolyFilled(): amends (#760)

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- Simplify and compact some code. Shallow tweaks.
- Add comments.
- Add concave shape demo.
- Remove coarse culling.
- Remove nested types to match coding style and for consistent type nams when translated to other languages.
- Merged ClassifyNode() and ReclassifyNode().
- Extracted ImTriangleIsClockwise().
- Hold copy of points inside nodes instead of pointing to them.
This commit is contained in:
ocornut
2024-01-09 23:36:26 +01:00
parent 1ff90c52d5
commit fbf45ad149
5 changed files with 160 additions and 272 deletions
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6
imgui.h
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@@ -28,7 +28,7 @@
// Library Version
// (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM >= 12345')
#define IMGUI_VERSION "1.90.5 WIP"
#define IMGUI_VERSION_NUM 19043
#define IMGUI_VERSION_NUM 19044
#define IMGUI_HAS_TABLE
/*
@@ -2760,9 +2760,11 @@ struct ImDrawList
IMGUI_API void AddBezierQuadratic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness, int num_segments = 0); // Quadratic Bezier (3 control points)
// General polygon
// - Only simple polygons are supported by filling functions (no self-intersections, no holes).
// - Concave polygon fill is more expensive than convex one: it has O(N^2) complexity. Provided as a convenience fo user but not used by main library.
IMGUI_API void AddPolyline(const ImVec2* points, int num_points, ImU32 col, ImDrawFlags flags, float thickness);
IMGUI_API void AddConvexPolyFilled(const ImVec2* points, int num_points, ImU32 col);
IMGUI_API void AddConcavePolyFilled(const ImVec2* points, const int points_count, ImU32 col);
IMGUI_API void AddConcavePolyFilled(const ImVec2* points, int num_points, ImU32 col);
// Image primitives
// - Read FAQ to understand what ImTextureID is.