color.h

来自「一个三维打斗游戏」· C头文件 代码 · 共 51 行

// (C) Copyright 1996 by Anthony J. Carin.  All Rights Reserved.

#ifndef COLOR_H
#define COLOR_H

#include <windef.h>

typedef unsigned int uint;
typedef unsigned short ushort;
typedef unsigned long ulong;
typedef unsigned char uchar;

class tccolor
{
public:

                tccolor()              { val = 0; }
                tccolor(COLORREF c)    { val = c; }
                tccolor(tccolor &c)    { val = c.val; }
                operator COLORREF()    { return val; }
       void     operator =(COLORREF c) { val = c; }
       float    rvalue()               { return (float) GetRValue(val)/255.0f; }
       float    gvalue()               { return (float) GetGValue(val)/255.0f; }
       float    bvalue()               { return (float) GetBValue(val)/255.0f; }

friend COLORREF operator +(tccolor& c, uchar v);
friend COLORREF operator -(tccolor& c, uchar v);

private:

COLORREF val;

};

inline COLORREF operator +(tccolor& c, uchar v)
{
    return RGB((((GetRValue(c.val)+v))<256) ? ((GetRValue(c.val))+v):255,
               (((GetGValue(c.val)+v))<256) ? ((GetGValue(c.val))+v):255,
               (((GetBValue(c.val)+v))<256) ? ((GetBValue(c.val))+v):255);
}

inline COLORREF operator -(tccolor& c, uchar v)
{
    return RGB((((GetRValue(c.val)-v))>=0) ? ((GetRValue(c.val))-v):0,
               (((GetGValue(c.val)-v))>=0) ? ((GetGValue(c.val))-v):0,
               (((GetBValue(c.val)-v))>=0) ? ((GetBValue(c.val))-v):0);
}


#endif