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ImHash: defaults seed to zero + comment.

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This commit is contained in:
ocornut 2015-08-18 19:17:09 -06:00
parent 97be3428f1
commit 4ac4d1ac37
2 changed files with 3 additions and 3 deletions
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4
imgui.cpp
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@ -816,9 +816,9 @@ int ImFormatStringV(char* buf, int buf_size, const char* fmt, va_list args)
return (w == -1) ? buf_size : w;
}
// Pass data_size==0 for zero-terminated string
// Pass data_size==0 for zero-terminated strings
// FIXME-OPT: Replace with e.g. FNV1a hash? CRC32 pretty much randomly access 1KB. Need to do proper measurements.
ImU32 ImHash(const void* data, int data_size, ImU32 seed = 0)
ImU32 ImHash(const void* data, int data_size, ImU32)
{
static ImU32 crc32_lut[256] = { 0 };
if (!crc32_lut[1])

2
imgui_internal.h
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@ -81,7 +81,7 @@ int ImTextCountCharsFromUtf8(const char* in_text, const char* in
int ImTextCountUtf8BytesFromStr(const ImWchar* in_text, const ImWchar* in_text_end); // return number of bytes to express string as UTF-8 code-points
// Helpers: Misc
ImU32 ImHash(const void* data, int data_size, ImU32 seed);
ImU32 ImHash(const void* data, int data_size, ImU32 seed = 0); // Pass data_size==0 for zero-terminated strings
bool ImLoadFileToMemory(const char* filename, const char* file_open_mode, void** out_file_data, int* out_file_size = NULL, int padding_bytes = 0);
bool ImIsPointInTriangle(const ImVec2& p, const ImVec2& a, const ImVec2& b, const ImVec2& c);
static inline bool ImCharIsSpace(int c) { return c == ' ' || c == '\t' || c == 0x3000; }