Internals: Added ImLineClosestPoint, ImTriangleClosestPoint helpers. Changing ImVec2 arg to const ImVec2&

This commit is contained in:
omar
2017-07-31 21:11:41 +08:00
parent 1a26d0bc98
commit fb54dce71c
2 changed files with 39 additions and 5 deletions

View File

@ -89,13 +89,17 @@ IMGUI_API int ImTextCountUtf8BytesFromStr(const ImWchar* in_text, cons
// Helpers: Misc
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 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);
IMGUI_API FILE* ImFileOpen(const char* filename, const char* file_open_mode);
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; }
// Helpers: Geometry
IMGUI_API ImVec2 ImLineClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& p);
IMGUI_API bool ImTriangleContainsPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p);
IMGUI_API ImVec2 ImTriangleClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p);
IMGUI_API void ImTriangleBarycentricCoords(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& p, float& out_u, float& out_v, float& out_w);
// Helpers: String
IMGUI_API int ImStricmp(const char* str1, const char* str2);
IMGUI_API int ImStrnicmp(const char* str1, const char* str2, int count);