public static string CompressFile(string filePath, string filename, string name)
{
LZW Compresor_lzw = new LZW();
FileStream fileC = new FileStream(filePath, FileMode.OpenOrCreate);
BinaryReader Lector = new BinaryReader(fileC);
int Cant_Byte_Read = 10000;
int Aumentar_Max = 1;
byte[] Text = new byte[Cant_Byte_Read];
Text = Lector.ReadBytes(Cant_Byte_Read);
while (fileC.Position < fileC.Length)
{
byte[] Aux = Lector.ReadBytes(Cant_Byte_Read);
Array.Resize(ref Text, Text.Length + Aux.Length);
Aux.CopyTo(Text, Cant_Byte_Read * Aumentar_Max);
Aumentar_Max++;
}
Lector.Close();
byte[] Impresor = Compresor_lzw.Compresion(Text);
byte[] Result = new byte[filename.Length + 1];
Result[0] = Convert.ToByte(filename.Length);
for (int i = 1; i <= filename.Length; i++)
{
Result[i] = Convert.ToByte(Convert.ToChar(filename[i - 1]));
}
Array.Resize(ref Result, filename.Length + 1 + Impresor.Length);
Impresor.CopyTo(Result, filename.Length + 1);
string FinalFileName = Directory.GetCurrentDirectory() + "\\Compressed\\" + name + ".lzw";
int count = 0;
while (File.Exists(FinalFileName))
{
count++;
FinalFileName = Directory.GetCurrentDirectory() + "\\Compressed\\" + name + count + ".lzw";
}
FileStream archivo = new FileStream(FinalFileName, FileMode.OpenOrCreate);
BinaryWriter Escritor = new BinaryWriter(archivo);
Escritor.Write(Result);
Escritor.Close();
double[] data = Compresor_lzw.Datos_Compresion();
Compression.WriteRegistry(filename, FinalFileName, data[0], data[1], data[2]);
File.Delete(filePath);
return(FinalFileName);
}
