Pixel.h

/********************************************************************/
/* Copyright (c) 2015 DG Technologies Inc. and Yuzi Mizuno          */
/* All rights reserved.                                             */
/********************************************************************/
#ifndef _MGPixel_HH_
#define _MGPixel_HH_

#include "mg/MGCL.h"


class MG_DLL_DECLR MGPixel{

public:

MGPixel(unsigned data=0){m_pixel.uint=data;};

MGPixel(const MGColor& color);

unsigned char getRed()const{return m_pixel.uchar[0];};
unsigned char getGreen()const{return m_pixel.uchar[1];};
unsigned char getBlue()const{return m_pixel.uchar[2];};
unsigned char getAlpha()const{return m_pixel.uchar[3];};

unsigned int getPixel()const{return m_pixel.uint;};
const unsigned char* getPixelAsChar()const{return m_pixel.uchar;};

void setRed(unsigned char R){m_pixel.uchar[0]=R;};
void setGreen(unsigned char G){m_pixel.uchar[1]=G;};
void setBlue(unsigned char B){m_pixel.uchar[2]=B;};
void setAlpha(unsigned char A){m_pixel.uchar[3]=A;};

void setRGB(const MGPixel& pixel2);

void setPixel(unsigned int pixel){m_pixel.uint=pixel;};

unsigned char& operator[](unsigned i){return m_pixel.uchar[i];};
const unsigned char& operator[](unsigned i)const{return m_pixel.uchar[i];};
MGPixel& operator&=(unsigned int data){m_pixel.uint &=data;return *this;};
MGPixel& operator|=(unsigned int data){m_pixel.uint |=data;return *this;};

bool isNull()const{return m_pixel.uint==0;};

private:

union pixelData{
    unsigned int uint;
    unsigned char uchar[4];//[0-2]=(R,G,B), [3]=A.
};

pixelData m_pixel;//One pixel data.

};
 // end of DisplayHandling group
#endif