public static bool ImageToBackBone(Bitmap b)
{
// GDI+ still lies to us - the return format is BGR, NOT RGB.
BitmapData bmData = b.LockBits(new Rectangle(0, 0, b.Width, b.Height), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
int stride = bmData.Stride;
System.IntPtr Scan0 = bmData.Scan0;
int[][] mr = new int[b.Width][];
int[][] fr = new int[b.Height][];
unsafe
{
byte *p = (byte *)(void *)Scan0;
int nOffset = stride - b.Width * 3;
byte red, green, blue;
for (int x = 0; x < b.Width; ++x)
{
mr[x] = new int[b.Height];
}
for (int y = 0; y < b.Height; ++y)
{
fr[y] = new int[b.Width];
for (int x = 0; x < b.Width; ++x)
{
blue = p[0];
green = p[1];
red = p[2];
if (blue == 255 && green == 255 && red == 255)
{
mr[x][y] = 1;
fr[y][x] = 1;
}
p += 3;
}
p += nOffset;
}
FontMethods.Converge(mr, 5);
FontMethods.Converge(fr, 5);
}
unsafe
{
byte *p = (byte *)(void *)Scan0;
int nOffset = stride - b.Width * 3;
byte red, green, blue;
for (int y = 0; y < b.Height; ++y)
{
for (int x = 0; x < b.Width; ++x)
{
blue = p[0];
green = p[1];
red = p[2];
if (blue == 255 && green == 255 && red == 255)
{
if (mr[x][y] == 0)
{
p[0] = p[1] = p[2] = 0;
}
if (fr[y][x] == 0)
{
p[0] = p[1] = p[2] = 0;
}
}
p += 3;
}
p += nOffset;
}
}
b.UnlockBits(bmData);
_ImageToBackBone(b, mr, fr);
return(true);
}
