public static Bitmap GrayScale(Bitmap Bitmap)
{
Bitmap bitmap = (Bitmap)Bitmap.Clone();
for (int x = 0; x < bitmap.Width; ++x)
{
for (int y = 0; y < bitmap.Height; ++y)
{
Color grey = PrintingUtils.ColorToGrey(bitmap.GetPixel(x, y));
Bitmap.SetPixel(x, y, grey);
}
}
return(Bitmap);
}
public static Bitmap Monocrome(Bitmap imgSource, bool inverted)
{
Rectangle rect = new Rectangle(0, 0, imgSource.Width, imgSource.Height);
Bitmap bitmap = new Bitmap(imgSource.Width, imgSource.Height, PixelFormat.Format1bppIndexed);
BitmapData bitmapdata = imgSource.LockBits(rect, ImageLockMode.ReadOnly, imgSource.PixelFormat);
BitmapData bitmapData = bitmap.LockBits(rect, ImageLockMode.WriteOnly, PixelFormat.Format1bppIndexed);
for (int y = 0; y < bitmap.Height; ++y)
{
for (int x = 0; x < bitmap.Width; ++x)
{
int ofs = y * bitmapdata.Stride + x * PrintingUtils.BitsPerPixel(imgSource) / 8;
Color color = Color.FromArgb((int)Marshal.ReadByte(bitmapdata.Scan0, ofs + 2), (int)Marshal.ReadByte(bitmapdata.Scan0, ofs + 1), (int)Marshal.ReadByte(bitmapdata.Scan0, ofs));
if (!inverted && (double)color.GetBrightness() > 0.550000011920929 || inverted && inverted && (double)color.GetBrightness() < 0.550000011920929)
{
PrintingUtils.SetIndexedPixel(x, y, bitmapData, true);
}
}
}
bitmap.UnlockBits(bitmapData);
imgSource.UnlockBits(bitmapdata);
return(bitmap);
}
public static string ImageToRaw(Bitmap bmBitmap)
{
BitmapData bitmapdata = (BitmapData)null;
try
{
if (bmBitmap.PixelFormat != PixelFormat.Format1bppIndexed)
{
bmBitmap = PrintingUtils.Monocrome(bmBitmap, false);
}
bitmapdata = bmBitmap.LockBits(new Rectangle(0, 0, bmBitmap.Width, bmBitmap.Height), ImageLockMode.ReadOnly, PixelFormat.Format1bppIndexed);
int length = bitmapdata.Height * bitmapdata.Stride;
byte[] numArray = new byte[length];
Marshal.Copy(bitmapdata.Scan0, numArray, 0, length);
return(HexEncoding.ToString(numArray));
}
finally
{
if (bitmapdata != null)
{
bmBitmap.UnlockBits(bitmapdata);
}
}
}
