mgccolor.h

《3D游戏引擎设计》的源码

// Magic Software, Inc.
// http://www.magic-software.com
// Copyright (c) 2000, All Rights Reserved
//
// Source code from Magic Software is supplied under the terms of a license
// agreement and may not be copied or disclosed except in accordance with the
// terms of that agreement.  The various license agreements may be found at
// the Magic Software web site.  This file is subject to the license
//
// FREE SOURCE CODE
// http://www.magic-software.com/License/free.pdf

#ifndef MGCCOLOR_H
#define MGCCOLOR_H

#include "MgcMath.h"


class MgcColor
{
public:
    // construction (components in range [0,1])
    MgcColor ();
    MgcColor (MgcReal fR, MgcReal fG, MgcReal fB);
    MgcColor (const MgcColor& rkColor);

    // member access (C.r or C[0], C.g or C[1], C.b or C[2])
    MgcReal r, g, b;
    MgcReal& operator[] (int i) const;
    operator MgcReal* ();

    void Clamp ();
    void ScaleByMax ();

    MgcColor& operator= (const MgcColor& rkColor);
    bool operator== (const MgcColor& rkColor) const;
    bool operator!= (const MgcColor& rkColor) const;

    MgcColor operator+ (const MgcColor& rkColor) const;
    MgcColor operator- (const MgcColor& rkColor) const;
    MgcColor operator* (const MgcColor& rkColor) const;
    MgcColor operator/ (const MgcColor& rkColor) const;
    MgcColor operator- () const;
    friend MgcColor operator* (MgcReal fScalar, const MgcColor& rkColor);
    MgcColor& operator+= (const MgcColor& rkColor);
    MgcColor& operator-= (const MgcColor& rkColor);
    MgcColor& operator*= (const MgcColor& rkColor);
    MgcColor& operator/= (const MgcColor& rkColor);

    static const MgcColor BLACK; // = (0,0,0) 
    static const MgcColor WHITE; // = (1,1,1)
};

#endif