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Internals: Added ImTriangleBarycentricCoords() helper. Renamed ImIsPointInTriangle() to ImTriangleContainsPoint(), with different arg order.

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omar
2017-07-31 17:54:40 +08:00
parent 2f508c7073
commit 72da4081f8
2 changed files with 15 additions and 3 deletions
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3
imgui_internal.h
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@ -90,7 +90,8 @@ IMGUI_API int ImTextCountUtf8BytesFromStr(const ImWchar* in_text, cons
IMGUI_API ImU32 ImHash(const void* data, int data_size, ImU32 seed = 0); // Pass data_size==0 for zero-terminated strings
IMGUI_API void* ImFileLoadToMemory(const char* filename, const char* file_open_mode, int* out_file_size = NULL, int padding_bytes = 0);
IMGUI_API FILE* ImFileOpen(const char* filename, const char* file_open_mode);
IMGUI_API bool ImIsPointInTriangle(const ImVec2& p, const ImVec2& a, const ImVec2& b, const ImVec2& c);
IMGUI_API bool ImTriangleContainsPoint(ImVec2 a, ImVec2 b, ImVec2 c, ImVec2 p);
IMGUI_API void ImTriangleBarycentricCoords(ImVec2 a, ImVec2 b, ImVec2 c, ImVec2 p, float& out_u, float& out_v, float& out_w);
static inline bool ImCharIsSpace(int c) { return c == ' ' || c == '\t' || c == 0x3000; }
static inline bool ImIsPowerOfTwo(int v) { return v != 0 && (v & (v - 1)) == 0; }
static inline int ImUpperPowerOfTwo(int v) { v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; v |= v >> 8; v |= v >> 16; v++; return v; }