vc++ bayer转换成rgb

#define B(x,y)   pRGB24[0 + 3 * ((x) + MyBmpInfo->biWidth * (y))]

#define G(x,y)   pRGB24[1 + 3 * ((x) + MyBmpInfo->biWidth * (y))]

#define R(x,y)   pRGB24[2 + 3 * ((x) + MyBmpInfo->biWidth * (y))]

#define Bay(x,y) pBay[(x) + MyBmpInfo->biWidth * (y)]

void CMyDlg::bayer_bilinear(BYTE *pBay, BYTE *pRGB24, int x, int y)

{       

float tmp;

tmp=(((UINT)Bay(x + 0, y + 1) + (UINT)Bay(x + 0, y - 1)) / 2)*fratio_B;

if(tmp>255)

tmp=255;

B(x + 0, y + 0) = (BYTE)tmp;

tmp=Bay(x + 0, y + 0)*fratio_G;

if(tmp>255)tmp=255;

G(x + 0, y + 0) = (BYTE)tmp;

tmp=(((UINT)Bay(x - 1, y + 0) + (UINT)Bay(x + 1, y + 0)) / 2)*fratio_R;

if(tmp>255)

tmp=255;

R(x + 0, y + 0) = (BYTE)tmp;

///////////

tmp=Bay(x + 0, y + 1)*fratio_B;

if(tmp>255)tmp=255;

B(x + 0, y + 1) =(BYTE)tmp; 

tmp=( ((UINT)Bay(x + 0, y + 0) + (UINT)Bay(x + 0, y + 2)

+ (UINT)Bay(x - 1, y + 1) + (UINT)Bay(x + 1, y + 1)) / 4)*fratio_G;

if(tmp>255)tmp=255;

G(x + 0, y + 1) =(BYTE)tmp;

tmp=(((UINT)Bay(x + 1, y + 0) + (UINT)Bay(x - 1, y + 0)

+ (UINT)Bay(x + 1, y + 2) + (UINT)Bay(x - 1, y + 2)) / 4)*fratio_R;

if(tmp>255)

tmp=255;

R(x + 0, y + 1) =(BYTE)tmp ;

////////////////

tmp=(((UINT)Bay(x + 0, y + 1) + (UINT)Bay(x + 2, y + 1)

+ (UINT)Bay(x + 0, y - 1) + (UINT)Bay(x + 2, y - 1)) / 4)*fratio_B;

if(tmp>255)tmp=255;

B(x + 1, y + 0) = (BYTE)tmp;

tmp=(((UINT)Bay(x + 0, y + 0) + (UINT)Bay(x + 2, y + 0)

+ (UINT)Bay(x + 1, y - 1) + (UINT)Bay(x + 1, y + 1)) / 4)*fratio_G;

if(tmp>255)tmp=255;

G(x + 1, y + 0) = (BYTE)tmp;

tmp=Bay(x + 1, y + 0)*fratio_R;

if(tmp>255)

tmp=255;

R(x + 1, y + 0) =(BYTE)tmp ;

////////////////////

tmp=( ((UINT)Bay(x + 0, y + 1) + (UINT)Bay(x + 2, y + 1)) / 2)*fratio_B;

if(tmp>255)

tmp=255;

B(x + 1, y + 1) =(BYTE)tmp;

tmp=Bay(x + 1, y + 1)*fratio_G;

if(tmp>255)tmp=255;

G(x + 1, y + 1) = (BYTE)tmp;

tmp=( ((UINT)Bay(x + 1, y + 0) + (UINT)Bay(x + 1, y + 2)) / 2)*fratio_R;

if(tmp>255)

tmp=255;

R(x + 1, y + 1) =(BYTE)tmp;

}

void CMyDlg::bayer_to_rgb24(BYTE *pBits, BYTE *pRGB24)

{

int i, j;

for (i = 0; i < MyBmpInfo->biWidth-2; i += 2)

{

for (j = 1; j < MyBmpInfo->biHeight-2; j += 2)

{

bayer_bilinear(pBits, pRGB24, i, j);

}

}

}