public string ToFixedString()
{
string text = "";
if (OriginalName != null)
{
text += string.Format("{0, -50}", OriginalName) + "|";
}
else
{
text += new string(' ', 50) + "|";
}
if (CompressedFileName != null)
{
text += string.Format("{0, -50}", CompressedFileName) + "|";
}
else
{
text += new string(' ', 50) + "|";
}
if (CompressedFilePath != null)
{
text += string.Format("{0, -100}", CompressedFilePath) + "|";
}
else
{
text += new string(' ', 11) + "|";
}
text += CompressionRatio.ToString("0000.0000") + "|";
text += CompressionFactor.ToString("0000.0000") + "|";
text += ReductionPercentage.ToString("00.0000");
return(text);
}
public static void Main(String[] args)
{
String encodedFileName = "Encoded.txt";
String fileToEncode = "handmade1.txt";
//String str = "AAAAABBCCCD";
string[] lines = File.ReadAllLines(fileToEncode);
var wholeText = "";
foreach (string line in lines)
{
wholeText += line;
}
var encoded = RLE.encode(wholeText);
//Console.WriteLine(encoded);
using StreamWriter outputFile = new StreamWriter("Encoded.txt");
outputFile.Write(encoded);
Console.WriteLine("Compression Ratio: " + CompressionRatio.Calculate(wholeText, encoded).ToString());
Console.WriteLine("Source BitRate: " + BitRate.Calculate(wholeText).ToString());
Console.WriteLine("Coded BitRate: " + BitRate.Calculate(wholeText, encoded).ToString());
Console.WriteLine("Saving Percentage: " + SavingPercentage.Calculate
(wholeText, encoded).ToString()
+ "%");
Console.WriteLine("Saving Percentage (File): " + SavingPercentage.CalculateFile(
Path.Combine(Environment.CurrentDirectory, fileToEncode),
Path.Combine(Environment.CurrentDirectory, encodedFileName)).ToString() + "%");
Console.WriteLine("Compression Ratio (File): " + CompressionRatio.CalculateFile(Path.
Combine(Environment.CurrentDirectory, fileToEncode),
Path.Combine(Environment.CurrentDirectory, encodedFileName)).ToString());
}
public static void Main(string[] args)
{
// Console.WriteLine("Please enter the string:");
string[] lines = File.ReadAllLines(fileToEncode);
var encodedStrings = new List <BitArray>();
// Build the Huffman tree
var i = 0;
var wholeText = "";
foreach (string line in lines)
{
wholeText += line;
}
Console.WriteLine(i++);
HuffmanTree huffmanTree = new HuffmanTree();
huffmanTree.Build(wholeText);
BitArray encoded = huffmanTree.Encode(wholeText);
encodedStrings.Add(encoded);
Console.Write("Encoded: ");
Console.WriteLine();
string decoded = huffmanTree.Decode(encoded);
foreach (var encodedString in encodedStrings)
{
byte[] bytes = new byte
[encodedString.Length / 8 + (encodedString.Length % 8 == 0 ? 0 : 1)];
encodedString.CopyTo(bytes, 0);
File.WriteAllBytes(encodedFileName, bytes);
}
Console.WriteLine("Compression Ratio: " + CompressionRatio.CalculateHuffman(wholeText, encoded).
ToString());
Console.WriteLine("Source BitRate: " + BitRate.Calculate(wholeText).ToString());
Console.WriteLine("Coded BitRate: " + BitRate.Calculate(wholeText, encoded).ToString());
Console.WriteLine("Saving Percentage (File): " + SavingPercentage.
CalculateFile(Path.Combine(Environment.CurrentDirectory, fileToEncode),
Path.Combine(Environment.CurrentDirectory, encodedFileName)).ToString() + "%");
Console.WriteLine("Saving Percentage: " + SavingPercentage.
CalculateHuffmanSavingPercentage(wholeText
, encoded).ToString() + "%");
Console.WriteLine("Compression Ratio (File): " + CompressionRatio.CalculateFile
(Path.Combine(Environment.CurrentDirectory, fileToEncode),
Path.Combine(Environment.CurrentDirectory, encodedFileName)).ToString());
}
static void Main(string[] args)
{
string sourceFileName = "test.txt";
string compressedFileName = "CompressedFile.txt";
string decompressedFileName = "DecompressedFile.txt";
string allText = File.ReadAllText(Path.Combine(Environment.CurrentDirectory, sourceFileName), Encoding.Default);
string compressed = Compress(allText);
//string decompressed = Decompress(compressed, alphabet);
int numOfBytes = compressed.Length / 8;
byte[] bytesArray = new byte[numOfBytes];
for (int i = 0; i < numOfBytes; ++i)
{
bytesArray[i] = Convert.ToByte(compressed.Substring(8 * i, 8), 2);
}
using (FileStream fs = File.Create(Path.Combine(Environment.CurrentDirectory, compressedFileName)))
{
fs.Write(bytesArray, 0, bytesArray.Length);
}
var compressedFromFileBytes = File.ReadAllBytes(Path.Combine(Environment.CurrentDirectory, compressedFileName));
string decompressed = Decompress(compressedFromFileBytes);
using (FileStream fs = File.Create(Path.Combine(Environment.CurrentDirectory, decompressedFileName)))
{
byte[] bytes = Encoding.UTF8.GetBytes(decompressed);
fs.Write(bytes, 0, bytes.Length);
}
Console.WriteLine("Compression Ratio: " + CompressionRatio.Calculate(allText.Length, bytesArray.Length).ToString());
Console.WriteLine("Compression Ratio (File): " + CompressionRatio.CalculateFile(Path.Combine(Environment.CurrentDirectory, sourceFileName),
Path.Combine(Environment.CurrentDirectory, "CompressedFile.txt")).ToString());
Console.WriteLine("Source BitRate: " + BitRate.Calculate(allText).ToString());
Console.WriteLine("Coded BitRate: " + BitRate.Calculate(allText.Length, compressed.Length).ToString());
Console.WriteLine("Saving Percentage: " + SavingPercentage.Calculate(allText.Length, bytesArray.Length).ToString());
Console.WriteLine("Saving Percentage (File): " + SavingPercentage.CalculateFile(Path.Combine(Environment.CurrentDirectory, sourceFileName),
Path.Combine(Environment.CurrentDirectory, "CompressedFile.txt")).ToString() + "%");
}
static void Main(string[] args)
{
string sourceFileName = "test1.txt";
string compressedFileName = "CompressedFile.txt";
string decompressedFileName = "DecompressedFile.txt";
string source = File.ReadAllText(Path.Combine(Environment.CurrentDirectory, sourceFileName), Encoding.Default);
(string compressed, Dictionary <char, ProbabilityInterval> probabilityIntervals) = ArithmeticCoder.Coding(source);
//string decompressed = ArithmeticCoder.Decoding(compressed, probabilityIntervals, source.Length);
int numOfBytes = compressed.Length / 8;
byte[] bytesArray = new byte[numOfBytes];
for (int i = 0; i < numOfBytes; ++i)
{
bytesArray[i] = Convert.ToByte(compressed.Substring(8 * i, 8), 2);
}
using (FileStream fs = File.Create(Path.Combine(Environment.CurrentDirectory, compressedFileName)))
{
fs.Write(bytesArray, 0, bytesArray.Length);
}
//var compressedFromFileBytes = File.ReadAllBytes(Path.Combine(Environment.CurrentDirectory, compressedFileName));
//var binaryCompressedStr = string.Join("", compressedFromFileBytes.Select(x => Convert.ToString(x, 2).PadLeft(8, '0')));
//string decompressed = Decoding(binaryCompressedStr, 4);
//using (FileStream fs = File.Create(Path.Combine(Environment.CurrentDirectory, decompressedFileName)))
//{
// byte[] bytes = Encoding.UTF8.GetBytes(decompressed);
// fs.Write(bytes, 0, bytes.Length);
//}
Console.WriteLine("Compression Ratio: " + CompressionRatio.Calculate(source.Length, bytesArray.Length).ToString());
Console.WriteLine("Compression Ratio (File): " + CompressionRatio.CalculateFile(Path.Combine(Environment.CurrentDirectory, sourceFileName),
Path.Combine(Environment.CurrentDirectory, "CompressedFile.txt")).ToString());
Console.WriteLine("Source BitRate: " + BitRate.Calculate(source).ToString());
Console.WriteLine("Coded BitRate: " + BitRate.Calculate(source.Length, compressed.Length).ToString());
Console.WriteLine("Saving Percentage: " + SavingPercentage.Calculate(source.Length, bytesArray.Length).ToString());
Console.WriteLine("Saving Percentage (File): " + SavingPercentage.CalculateFile(Path.Combine(Environment.CurrentDirectory, sourceFileName),
Path.Combine(Environment.CurrentDirectory, "CompressedFile.txt")).ToString() + "%");
}
