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108 lines
2.1 KiB
C++
108 lines
2.1 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef COLOR_H
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#define COLOR_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "tier1/strtools.h"
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//-----------------------------------------------------------------------------
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// Purpose: Basic handler for an rgb set of colors
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// This class is fully inline
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//-----------------------------------------------------------------------------
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class Color
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{
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public:
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// constructors
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Color()
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{
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Q_memset( _color, 0, sizeof _color );
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}
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Color(int _r,int _g,int _b)
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{
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SetColor(_r, _g, _b, 0);
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}
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Color(int _r,int _g,int _b,int _a)
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{
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SetColor(_r, _g, _b, _a);
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}
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// set the color
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// r - red component (0-255)
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// g - green component (0-255)
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// b - blue component (0-255)
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// a - alpha component, controls transparency (0 - transparent, 255 - opaque);
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void SetColor(int _r, int _g, int _b, int _a = 0)
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{
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_color[0] = (unsigned char)_r;
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_color[1] = (unsigned char)_g;
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_color[2] = (unsigned char)_b;
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_color[3] = (unsigned char)_a;
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}
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void GetColor(int &_r, int &_g, int &_b, int &_a) const
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{
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_r = _color[0];
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_g = _color[1];
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_b = _color[2];
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_a = _color[3];
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}
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void SetRawColor( int color32 )
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{
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Q_memcpy( _color, &color32, sizeof _color );
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}
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int GetRawColor() const
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{
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int color;
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Q_memcpy( &color, _color, sizeof _color );
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return color;
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}
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inline int r() const { return _color[0]; }
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inline int g() const { return _color[1]; }
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inline int b() const { return _color[2]; }
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inline int a() const { return _color[3]; }
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unsigned char &operator[](int index)
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{
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return _color[index];
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}
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const unsigned char &operator[](int index) const
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{
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return _color[index];
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}
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bool operator == (const Color &rhs) const
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{
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return Q_memcmp( this, &rhs, sizeof(Color) ) == 0;
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}
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bool operator != (const Color &rhs) const
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{
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return !(operator==(rhs));
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}
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Color &operator=( const Color &rhs )
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{
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SetRawColor( rhs.GetRawColor() );
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return *this;
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}
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private:
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unsigned char _color[4];
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};
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#endif // COLOR_H
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