2D_Ati1X

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void Ati1X(HDC hdc,wchar_t *szFileName)
{
/*
Starting from this pattern:

  A B C
  D E F
  G H I

The central pixel E is expanded in 4 new pixels:

E0 E1
E2 E3

COLORREF A,B,C,D,E,F,G,H,I,E0,E1,E2,E3;
static CImage imgsrc,imgdes;
static HRESULT isLoad = 1;
COLORREF color;

if(isLoad)
{
isLoad = imgsrc.Load(szFileName);
if(isLoad)assert(0);

  imgdes.Create(imgsrc.GetWidth(),imgsrc.GetHeight(),32);
  for(int y = 0; y < imgsrc.GetHeight(); y++)
  {
   for(int x = 0; x < imgsrc.GetWidth(); x++)
   {
    A = imgsrc.GetPixel(max(0,x-1),      max(0,y-1));
    B = imgsrc.GetPixel(x,        max(0,y-1));
    C = imgsrc.GetPixel( min(x+1,imgsrc.GetWidth()-1), max(0,y-1) );

    D = imgsrc.GetPixel( max(0,x-1),     y );
    E = imgsrc.GetPixel( x,       y );
    F = imgsrc.GetPixel( min(x+1,imgsrc.GetWidth()-1), y );

    G = imgsrc.GetPixel( max(0,x-1),     min(y+1,imgsrc.GetHeight()-1) );
    H = imgsrc.GetPixel( x,        min(y+1,imgsrc.GetHeight()-1) );
    I = imgsrc.GetPixel( min(x+1,imgsrc.GetWidth()-1), min(y+1,imgsrc.GetHeight()-1) );

E0 = E;

    //if( E == 0)
    {
     if(E != A)
     {
      if(D == A && A == B)
       E0 = A;
     }

     if( E != C)
     {
      if(F == C && C == B)
       E0 = C;
     }

     if(E != G)
     {
      if( D == G && G == H)
       E0 = G;
     }

     if(E != I)
     {
      if(H == I && I == F)
       E0 = I;
     }
    }
    imgdes.SetPixel(x,y,E0);
   }
  }

  wchar_t wszSaveFileName[50] = {0};
  wsprintf(wszSaveFileName,L"D://ATI 1X_%ld_%ld.bmp",1,1);
  imgdes.Save(wszSaveFileName);
}
imgdes.Draw(hdc,10,10,imgdes.GetWidth(),imgdes.GetHeight());

}