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/*
***************************************************************************
* Copyright (C) 2004 by Stijn Buys *
* stijn.buys@pandora.be *
* *
* This software is redistributed under the terms of the *
* GNU General Public License. Please read LICENSE.txt. *
***************************************************************************
*/
#ifndef __COLOR_HEADER__
#define __COLOR_HEADER__
#include <iostream>
/// a class representing an RGBA color value
class Color {
public:
Color();
Color(const float, float const, const float, const float=1.0f);
Color(const float, const float=1.0f);
Color(const Color &);
float red() const;
float green() const;
float blue() const;
float alpha() const;
const Color &operator=(const Color &);
Color operator*(const float scalar) const;
// Some default colors
static const Color Black() { return Color(0.0f); };
static const Color White() { return Color(1.0f); };
static const Color Red() { return Color(1.0f,0.0f,0.0f); };
static const Color Green() { return Color(0.0f,1.0f,0.0f); };
static const Color Blue() { return Color(0.0f, 0.0f, 1.0f); };
static const Color Yellow() { return Color(1.0f, 1.0f, 0.0f); };
private:
void normalize();
float _r, _g, _b, _a;
};
std::ostream &operator<<(std::ostream &os, const Color &c);
Color operator*(const float scalar, const Color& color);
#endif // ___HEADER__
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