private void btnDecLZW_Click(object sender, EventArgs e)
{
AbstractModel model = new ModelOrder0();
FileInfo sourceFile, targetFile;
FileStream sourceStream, targetStream;
try
{
sourceFile = new FileInfo(sourceText.Text);
sourceStream = sourceFile.OpenRead();
}
catch (Exception openSourceException)
{
MessageBox.Show("Error1! Cannot open source file for read");
return;
}
try
{
targetFile = new FileInfo(targetText.Text);
targetStream = targetFile.OpenWrite();
}
catch (Exception openTargetException)
{
MessageBox.Show("Error2! Cannot open target file to write!");
return;
}
// Information
sourceFileSizeValueText.Text = sourceFile.Length.ToString();
//byte[] readBytes = new byte[3];
//sourceStream.Read(readBytes, 0, 3);
//string signature = Encoding.Default.GetString(readBytes);
//if (signature != Program.g_Signature)
//{
// MessageBox.Show("Error3! Not valid encoded AC file as Source!");
// return;
//}
byte[] buffer;
string result = "";
try
{
int length = (int)sourceStream.Length; // get file length
buffer = new byte[length]; // create buffer
int count; // actual number of bytes read
int sum = 0; // total number of bytes read
// read until Read method returns 0 (end of the stream has been reached)
while ((count = sourceStream.Read(buffer, sum, length - sum)) > 0)
{
sum += count; // sum is a buffer offset for next reading
}
}
finally
{
sourceStream.Close();
}
List <int> compressed = new List <int>();
foreach (byte b in buffer)
{
if (((char)b) != ',')
{
compressed.Add(Convert.ToChar(b));
}
}
DateTime firstTime = DateTime.Now;
string wyjscie = Decompress(compressed);
MessageBox.Show(wyjscie);
MessageBox.Show(Decompress(compressed));
// Main compression function
//model.Process(sourceStream, targetStream, ModeE.MODE_DECODE);
DateTime secondTime = DateTime.Now;
byte[] dataToSave = Encoding.ASCII.GetBytes(wyjscie);
//StreamWriter sWriter = new StreamWriter(targetStream);
//sWriter.Write((Encoding.UTF8.GetChars(wyjscie
TimeSpan duration = secondTime - firstTime;
targetStream.Write(dataToSave, 0, dataToSave.Length);
sourceStream.Close();
targetStream.Close();
// Information
targetFileSizeValueText.Text = targetFile.Length.ToString();
compressionRatioValueText.Text = ((double)targetFile.Length / (double)sourceFile.Length).ToString();
timeValueText.Text = duration.TotalMilliseconds.ToString();
MessageBox.Show("Decoding Succeeded!");
}
private void btnCRCEnc_Click(object sender, EventArgs e)
{
AbstractModel model = new ModelOrder0();
FileInfo sourceFile, targetFile;
FileStream sourceStream, targetStream;
try
{
sourceFile = new FileInfo(sourceText.Text);
sourceStream = sourceFile.OpenRead();
}
catch (Exception openSourceException)
{
MessageBox.Show("Error1! Cannot open source file for read");
return;
}
try
{
targetFile = new FileInfo(targetText.Text);
targetStream = targetFile.OpenWrite();
}
catch (Exception openTargetException)
{
MessageBox.Show("Error2! Cannot open target file to write!");
return;
}
// Information
sourceFileSizeValueText.Text = sourceFile.Length.ToString();
//sourceStream.Seek(0, SeekOrigin.Begin);
//byte[] writtenBytes = Encoding.Default.GetBytes(Program.g_Signature);
//targetStream.Write(writtenBytes, 0, 3);
byte[] buffer;
string result = "";
try
{
int length = (int)sourceStream.Length; // get file length
buffer = new byte[length]; // create buffer
int count; // actual number of bytes read
int sum = 0; // total number of bytes read
// read until Read method returns 0 (end of the stream has been reached)
while ((count = sourceStream.Read(buffer, sum, length - sum)) > 0)
{
sum += count; // sum is a buffer offset for next reading
}
}
finally
{
sourceStream.Close();
}
DateTime firstTime = DateTime.Now;
Crc32 crc32 = new Crc32();
String hash = String.Empty;
using (sourceStream) //here you pass the file name
{
foreach (byte b in crc32.ComputeHash(sourceStream))
{
hash += b.ToString("x2").ToLower();
}
MessageBox.Show(hash);
}
double x = 0;
bool[] kodBinarny = new bool[buffer.Length * 8];
bool[] remainder = new bool[buffer.Length * 8 + txtCRCLen.Text.Length];
bool[] remainderResult = new bool[buffer.Length * 8 + txtCRCLen.Text.Length];
for (int i = 0; i < buffer.Length; i++)
{
for (int j = 0; j < 8; j++)
{
x = Math.Pow(2, j);
if (((int)x & buffer[i]) == 0)
{
kodBinarny[i + j] = false;
}
else
{
kodBinarny[i + j] = true;
}
}
}
//string padding = "";
//for (int k = 0; k < txtCRCLen.Text.Length; k++)
// padding += "0";
//for (int h = 0; h < kodBinarny.Length;h++ )
//{
// remainder[h] = kodBinarny[h];
//}
//for (int h = kodBinarny.Length; h < kodBinarny.Length + txtCRCLen.Text.Length; h++)
//{
// remainder[h] = false;
//}
//bool[] dzielnik= new bool[txtCRCLen.Text.Length];
//for (int h = 0; h < dzielnik.Length; h++)
//{
// if(txtCRCpolynomial.Text.ToCharArray()[h]=='1')
// {
// dzielnik[h]=true;
// }
// else
// dzielnik[h]=false;
//}
//for (int h = 0; h < kodBinarny.Length + txtCRCLen.Text.Length; h++)
//{
// for (int j = 0; j < txtCRCLen.Text.Length; j++)
// {
// if (dzielnik[j] == kodBinarny[h+j])
// {
// remainderResult[h+j] = false;
// }
// else
// remainderResult[h+j] = true;
// if (j==txtCRCLen.Text.Length-1)
// h += j+1;
// }
//}
//MessageBox.Show(remainderResult.ToString());
//List<byte> dataList= new List<byte>();
//for (int i = 0; i < compressed.Count; i++)
//{
// if (i != compressed.Count - 1)
// {
// dataList.Add(Convert.ToByte(compressed[i]));
// dataList.Add(Convert.ToByte(','));
// }
// else
// {
// dataList.Add(Convert.ToByte(compressed[i]));
// }
//}
//byte[] dataToSave = dataList.ToArray();
// Main compression function
//model.Process(sourceStream, targetStream, ModeE.MODE_ENCODE);
//targetStream.Write(dataToSave, 0, dataToSave.Length);
DateTime secondTime = DateTime.Now;
TimeSpan duration = secondTime - firstTime;
sourceStream.Close();
targetStream.Close();
// Information
targetFileSizeValueText.Text = targetFile.Length.ToString();
compressionRatioValueText.Text = ((double)sourceFile.Length / (double)targetFile.Length).ToString();
timeValueText.Text = duration.TotalMilliseconds.ToString();
MessageBox.Show("Encoding Succeeded!");
}
private void btnEncLZW_Click(object sender, EventArgs e)
{
AbstractModel model = new ModelOrder0();
FileInfo sourceFile, targetFile;
FileStream sourceStream, targetStream;
try
{
sourceFile = new FileInfo(sourceText.Text);
sourceStream = sourceFile.OpenRead();
}
catch (Exception openSourceException)
{
MessageBox.Show("Error1! Cannot open source file for read");
return;
}
try
{
targetFile = new FileInfo(targetText.Text);
targetStream = targetFile.OpenWrite();
}
catch (Exception openTargetException)
{
MessageBox.Show("Error2! Cannot open target file to write!");
return;
}
// Information
sourceFileSizeValueText.Text = sourceFile.Length.ToString();
//sourceStream.Seek(0, SeekOrigin.Begin);
//byte[] writtenBytes = Encoding.Default.GetBytes(Program.g_Signature);
//targetStream.Write(writtenBytes, 0, 3);
byte[] buffer;
string result = "";
try
{
int length = (int)sourceStream.Length; // get file length
buffer = new byte[length]; // create buffer
int count; // actual number of bytes read
int sum = 0; // total number of bytes read
// read until Read method returns 0 (end of the stream has been reached)
while ((count = sourceStream.Read(buffer, sum, length - sum)) > 0)
{
sum += count; // sum is a buffer offset for next reading
}
foreach (byte bajt in buffer)
{
result += bajt.ToString();
}
}
finally
{
sourceStream.Close();
}
DateTime firstTime = DateTime.Now;
List <int> compressed = Compress(result);
string preparedFormattedCode = string.Join(",", compressed);
MessageBox.Show(string.Join(",", compressed));
byte[] dataToSave = Encoding.ASCII.GetBytes(preparedFormattedCode.ToCharArray());
//List<byte> dataList= new List<byte>();
//for (int i = 0; i < compressed.Count; i++)
//{
// if (i != compressed.Count - 1)
// {
// dataList.Add(Convert.ToByte(compressed[i]));
// dataList.Add(Convert.ToByte(','));
// }
// else
// {
// dataList.Add(Convert.ToByte(compressed[i]));
// }
//}
//byte[] dataToSave = dataList.ToArray();
// Main compression function
//model.Process(sourceStream, targetStream, ModeE.MODE_ENCODE);
targetStream.Write(dataToSave, 0, dataToSave.Length);
DateTime secondTime = DateTime.Now;
TimeSpan duration = secondTime - firstTime;
sourceStream.Close();
targetStream.Close();
// Information
targetFileSizeValueText.Text = targetFile.Length.ToString();
compressionRatioValueText.Text = ((double)sourceFile.Length / (double)targetFile.Length).ToString();
timeValueText.Text = duration.TotalMilliseconds.ToString();
MessageBox.Show("Encoding Succeeded!");
}
