public static bool InHexFormat(string hexString)
{
bool flag = true;
foreach (char c in hexString)
{
if (!HexEncoding.IsHexDigit(c))
{
flag = false;
break;
}
}
return(flag);
}
public static int GetByteCount(string hexString)
{
int num = 0;
for (int index = 0; index < hexString.Length; ++index)
{
if (HexEncoding.IsHexDigit(hexString[index]))
{
++num;
}
}
if (num % 2 != 0)
{
--num;
}
return(num / 2);
}
/// <summary>
/// Obtener una imagen desde la informacion RAW en formato hexadecimal
/// </summary>
/// <param name="hexRaw">RAW en hexadecimal</param>
/// <param name="pixelFormat">Profundidad en bits</param>
/// <param name="size">Tamaño de la imagen (ancho x alto)</param>
/// <returns>Imagen creada</returns>
public static Bitmap RawToImage(string hexRaw, PixelFormat pixelFormat, Size size)
{
Bitmap bmp = null;
BitmapData bd = null;
try
{
int discarded = 0;
byte[] raw = HexEncoding.GetBytes(hexRaw, out discarded);
bmp = new Bitmap(size.Width, size.Height, pixelFormat);
bd = bmp.LockBits(new Rectangle(Point.Empty, size), ImageLockMode.WriteOnly, pixelFormat);
Marshal.Copy(raw, 0, bd.Scan0, raw.Length);
return(bmp);
}
finally
{
if (bd != null)
{
bmp.UnlockBits(bd);
}
}
}
public static Bitmap RawToImage(string hexRaw, PixelFormat pixelFormat, Size size)
{
Bitmap bitmap = (Bitmap)null;
BitmapData bitmapdata = (BitmapData)null;
try
{
int discarded = 0;
byte[] bytes = HexEncoding.GetBytes(hexRaw, out discarded);
bitmap = new Bitmap(size.Width, size.Height, pixelFormat);
bitmapdata = bitmap.LockBits(new Rectangle(Point.Empty, size), ImageLockMode.WriteOnly, pixelFormat);
Marshal.Copy(bytes, 0, bitmapdata.Scan0, bytes.Length);
return(bitmap);
}
finally
{
if (bitmapdata != null)
{
bitmap.UnlockBits(bitmapdata);
}
}
}
public static byte[] GetBytes(string hexString, out int discarded)
{
discarded = 0;
string str = "";
for (int index = 0; index < hexString.Length; ++index)
{
char c = hexString[index];
if (HexEncoding.IsHexDigit(c))
{
str += (string)(object)c;
}
else
{
++discarded;
}
}
if (str.Length % 2 != 0)
{
++discarded;
str = str.Substring(0, str.Length - 1);
}
byte[] numArray = new byte[str.Length / 2];
int index1 = 0;
for (int index2 = 0; index2 < numArray.Length; ++index2)
{
string hex = new string(new char[2]
{
str[index1],
str[index1 + 1]
});
numArray[index2] = HexEncoding.HexToByte(hex);
index1 += 2;
}
return(numArray);
}
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);
}
}
}
public static string CompressHex(string hexData)
{
if (HexEncoding.encode2.Count == 0)
{
HexEncoding.encode2.Add(20, "g");
HexEncoding.encode2.Add(40, "h");
HexEncoding.encode2.Add(60, "i");
HexEncoding.encode2.Add(80, "j");
HexEncoding.encode2.Add(100, "k");
HexEncoding.encode2.Add(120, "l");
HexEncoding.encode2.Add(140, "m");
HexEncoding.encode2.Add(160, "n");
HexEncoding.encode2.Add(180, "o");
HexEncoding.encode2.Add(200, "p");
HexEncoding.encode2.Add(220, "q");
HexEncoding.encode2.Add(240, "r");
HexEncoding.encode2.Add(260, "s");
HexEncoding.encode2.Add(280, "t");
HexEncoding.encode2.Add(300, "u");
HexEncoding.encode2.Add(320, "v");
HexEncoding.encode2.Add(340, "w");
HexEncoding.encode2.Add(360, "x");
HexEncoding.encode2.Add(380, "y");
HexEncoding.encode2.Add(400, "z");
}
StringBuilder stringBuilder = new StringBuilder();
string lastChar = hexData.Substring(0, 1);
int countChar1 = 0;
string str = "";
for (int startIndex = 1; startIndex < hexData.Length; ++startIndex)
{
if (hexData.Substring(startIndex, 1) == lastChar)
{
++countChar1;
}
else if (countChar1 > 0)
{
if (countChar1 > 419)
{
int num1 = 2;
int num2 = countChar1;
int countChar2 = 0;
while (countChar1 / num1 > 419)
{
++num1;
}
do
{
if (countChar2 == 0)
{
countChar2 = countChar1 / num1;
num2 = countChar1 - num1;
}
else
{
if (countChar2 > num2)
{
countChar2 = num2;
}
num2 -= countChar2;
}
str += HexEncoding.getEncodedString(countChar2, lastChar);
}while (num2 > 0);
}
else
{
str = HexEncoding.getEncodedString(countChar1, lastChar);
}
stringBuilder.Append(str);
countChar1 = 0;
lastChar = hexData.Substring(startIndex, 1);
}
}
return(stringBuilder.ToString());
}