gistfile1.txt

    for(int i = 0; i < w; i+=chan)
    {
        for(int j = 0; j < h; j+=chan)
        {

            uchar v = srcImg.pixelAt(i, j) > 127 ? 255 : 0;
            if(d){cout << v << endl; d = !d;}
            dstImg.pixelWrite(v, i, j);
        }
        
    }