Exemplo n.º 1
0
        /// <summary>
        /// Obtener la informacion RAW en hexadecimal de la imagen
        /// </summary>
        /// <param name="bmBitmap"></param>
        /// <returns></returns>
        public static string ImageToRaw(Bitmap bmBitmap)
        {
            System.Drawing.Imaging.BitmapData raw = null; //used to get  attributes of the image
            byte[] rawImage = null;                       //the image as a byte[]

            try
            {
                if (bmBitmap.PixelFormat != PixelFormat.Format1bppIndexed)
                {
                    bmBitmap = Monocrome(bmBitmap, false);
                }
                //'Freeze the image in memory
                raw = bmBitmap.LockBits(new Rectangle(0, 0, bmBitmap.Width, bmBitmap.Height),
                                        System.Drawing.Imaging.ImageLockMode.ReadOnly,
                                        System.Drawing.Imaging.PixelFormat.Format1bppIndexed);
                int size = raw.Height * raw.Stride;
                rawImage = new byte[size];

                //Copy the image into the byte()
                System.Runtime.InteropServices.Marshal.Copy(raw.Scan0, rawImage, 0, size);
                return(HexEncoding.ToString(rawImage));
            }
            finally
            {
                if (raw != null)
                {
                    //'Unfreeze the memory for the image
                    bmBitmap.UnlockBits(raw);
                }
            }
        }
        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);
                }
            }
        }