81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
// ---------------------------------------------------------------------------
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//
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// @file TwColors.h
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// @brief Color conversions
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// @author Philippe Decaudin
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// @license This file is part of the AntTweakBar library.
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// For conditions of distribution and use, see License.txt
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//
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// note: Private header
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//
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// ---------------------------------------------------------------------------
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#if !defined ANT_TW_COLORS_INCLUDED
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#define ANT_TW_COLORS_INCLUDED
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// ---------------------------------------------------------------------------
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typedef unsigned int color32;
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const color32 COLOR32_BLACK = 0xff000000; // Black
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const color32 COLOR32_WHITE = 0xffffffff; // White
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const color32 COLOR32_ZERO = 0x00000000; // Zero
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const color32 COLOR32_RED = 0xffff0000; // Red
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const color32 COLOR32_GREEN = 0xff00ff00; // Green
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const color32 COLOR32_BLUE = 0xff0000ff; // Blue
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template <typename _T> inline const _T& TClamp(const _T& _X, const _T& _Limit1, const _T& _Limit2)
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{
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if( _Limit1<_Limit2 )
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return (_X<=_Limit1) ? _Limit1 : ( (_X>=_Limit2) ? _Limit2 : _X );
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else
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return (_X<=_Limit2) ? _Limit2 : ( (_X>=_Limit1) ? _Limit1 : _X );
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}
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inline color32 Color32FromARGBi(int _A, int _R, int _G, int _B)
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{
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return (((color32)TClamp(_A, 0, 255))<<24) | (((color32)TClamp(_R, 0, 255))<<16) | (((color32)TClamp(_G, 0, 255))<<8) | ((color32)TClamp(_B, 0, 255));
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}
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inline color32 Color32FromARGBf(float _A, float _R, float _G, float _B)
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{
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return (((color32)TClamp(_A*256.0f, 0.0f, 255.0f))<<24) | (((color32)TClamp(_R*256.0f, 0.0f, 255.0f))<<16) | (((color32)TClamp(_G*256.0f, 0.0f, 255.0f))<<8) | ((color32)TClamp(_B*256.0f, 0.0f, 255.0f));
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}
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inline void Color32ToARGBi(color32 _Color, int *_A, int *_R, int *_G, int *_B)
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{
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if(_A) *_A = (_Color>>24)&0xff;
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if(_R) *_R = (_Color>>16)&0xff;
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if(_G) *_G = (_Color>>8)&0xff;
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if(_B) *_B = _Color&0xff;
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}
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inline void Color32ToARGBf(color32 _Color, float *_A, float *_R, float *_G, float *_B)
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{
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if(_A) *_A = (1.0f/255.0f)*float((_Color>>24)&0xff);
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if(_R) *_R = (1.0f/255.0f)*float((_Color>>16)&0xff);
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if(_G) *_G = (1.0f/255.0f)*float((_Color>>8)&0xff);
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if(_B) *_B = (1.0f/255.0f)*float(_Color&0xff);
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}
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void ColorRGBToHLSf(float _R, float _G, float _B, float *_Hue, float *_Light, float *_Saturation);
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void ColorRGBToHLSi(int _R, int _G, int _B, int *_Hue, int *_Light, int *_Saturation);
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void ColorHLSToRGBf(float _Hue, float _Light, float _Saturation, float *_R, float *_G, float *_B);
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void ColorHLSToRGBi(int _Hue, int _Light, int _Saturation, int *_R, int *_G, int *_B);
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color32 ColorBlend(color32 _Color1, color32 _Color2, float _S);
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// ---------------------------------------------------------------------------
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#endif // !defined ANT_TW_COLORS_INCLUDED
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