src/rcrt/RGBAColor.h

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#ifndef RGBACOLOR_H_
#define RGBACOLOR_H_

#include "RGBColor.h"

namespace rcrt
{

class RGBAColor
{
private:
        float values[4];
        void assign(const RGBAColor& col);
        
public:
        RGBAColor();
        RGBAColor(float c, float a=1);
        RGBAColor(float r, float g, float b, float a=1);
        RGBAColor(const RGBAColor& col);
        RGBAColor(const RGBColor& col);
        virtual ~RGBAColor();
        
        const RGBAColor& operator= (const RGBAColor& col);
        
        RGBAColor operator+ (const RGBAColor& col) const;
        RGBAColor operator- (const RGBAColor& col) const;
        
        RGBAColor operator* (float f) const;
        RGBAColor operator/ (float f) const;
        
        RGBAColor blendAssoc(const RGBAColor& col);
        RGBAColor blendOver(const RGBAColor& col);
        
        float r() const;
        float g() const;
        float b() const;
        float a() const;
        
        float getLuminance() const;
        
        RGBColor getRGB() const;
        
};

inline std::ostream& operator<<(std::ostream& o, const RGBAColor& v)
{
        o << "RGBAColor(" << v.r() << "," << v.g() << "," << v.b() << "," << v.a() << ")";
        return o;
}

}

#endif /*RGBACOLOR_H_*/

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