Color.h

Go to the documentation of this file.

/*  Copyright (C) 2003-2021 Free Electron Organization
    Any use of this software requires a license.  If a valid license
    was not distributed with this file, visit freeelectron.org. */

/** @file */

#ifndef __math_Color_h__
#define __math_Color_h__


namespace fe
{

//typedef Vector<4,Real> Color;

/**************************************************************************//**
    @brief Special vector for color (RGBA)

    @ingroup math
*//***************************************************************************/
class Color: public Vector<4,Real>
{
    public:
        Color(void):
                Vector<4,Real>()                                            {}

        Color(Real r,Real g,Real b=(Real)0,Real a=(Real)1):
                Vector<4,Real>(r,g,b,a)                                     {}

        Color(const Vector<3,Real> &other)
        {   this->Vector<4,Real>::operator=(other);
            m_data[3]=1.0; }

        Color(const Vector<4,Real> &other)
        {   this->Vector<4,Real>::operator=(other); }

        template<typename U>
        Color(const Vector<3,U> &other)
        {   this->Vector<4,Real>::operator=(other);
            m_data[3]=1.0; }

        template<typename U>
        Color(const Vector<4,U> &other)
        {   this->Vector<4,Real>::operator=(other); }

        Color(const Real* array)
        {   operator=(array); }
};

inline Color& set(Color &lhs)
{
    lhs[0]=Real(0);
    lhs[1]=Real(0);
    lhs[2]=Real(0);
    lhs[3]=Real(1);
    return lhs;
}

template<typename U>
inline Color& set(Color &lhs, U r)
{
    lhs[0]=(Real)r;
    lhs[1]=Real(0);
    lhs[2]=Real(0);
    lhs[3]=Real(1);
    return lhs;
}

template<typename U, typename V>
inline Color& set(Color &lhs, U r, V g)
{
    lhs[0]=(Real)r;
    lhs[1]=(Real)g;
    lhs[2]=Real(0);
    lhs[3]=Real(1);
    return lhs;
}

template<typename U, typename V, typename W>
inline Color& set(Color &lhs, U r, V g, W b)
{
    lhs[0]=(Real)r;
    lhs[1]=(Real)g;
    lhs[2]=(Real)b;
    lhs[3]=Real(1);
    return lhs;
}

} /* namespace */

#endif /* __math_Color_h__ */