private async void ExtractFanoWorker(object sender, DoWorkEventArgs e)
{
long progress = 0;
var reader = new BufferedReader(2000000, mInputStreamFanoO);
var writer = new BufferedWriter(2000000, mOutputStreamFanoO);
var len = mInputStreamFanoO.Length;
if (len == 0)
{
len = 1;
}
var extractor = new FanoEncoder(reader, writer);
extractor.WordLength += (x, y) => len = y / x * 8;
extractor.WordsWritten += x =>
{
progress += x;
};
Timer t = new Timer(o => mFanoOWorker.ReportProgress(Convert.ToInt32(progress * 100 / len)), null, 0, 25);
await extractor.Decode();
t.Dispose();
await writer.FlushBuffer();
mInputStreamFanoO.Close();
mOutputStreamFanoO.Close();
}
private async void CompressFanoWorker(object sender, DoWorkEventArgs e)
{
long progress = 0;
var reader = new BufferedReader(2000000, mInputStreamFanoI);
var writer = new BufferedWriter(2000000, mOutputStreamFanoI);
var len = mInputStreamFanoI.Length / mWordLength * 8;
if (len == 0)
{
len = 1;
}
var compressor = new FanoEncoder(reader, writer);
compressor.WordsWritten += x =>
{
progress += x;
};
Timer t = new Timer(o => mFanoIWorker.ReportProgress(Convert.ToInt32(progress * 100 / len)), null, 0, 25);
await compressor.Encode(mWordLength);
t.Dispose();
await writer.FlushBuffer();
mInputStreamFanoI.Close();
mOutputStreamFanoI.Close();
}
private async void CompressLz77Worker(object sender, DoWorkEventArgs e)
{
long progress = 0;
var reader = new BufferedReader(2000000, mInputStreamLz77I);
var writer = new BufferedWriter(2000000, mOutputStreamLz77I);
var len = mInputStreamLz77I.Length;
if (len == 0)
{
len = 1;
}
var compressor = await LZ77.Compressor.Create(reader.ReadByte, writer.WriteCustomLength, mHistory, mPresent);
compressor.WordsWritten += x =>
{
progress += x;
//mLz77IWorker.ReportProgress(Convert.ToInt32(progress / (len / 100)));
};// mLz77CompressProgress += x;
Timer t = new Timer(o => mLz77IWorker.ReportProgress(Convert.ToInt32(progress * 100 / len)), null, 0, 25);
await compressor.Compress((ulong)len);
t.Dispose();
await writer.FlushBuffer();
mInputStreamLz77I.Close();
mOutputStreamLz77I.Close();
}
static async Task Main(string[] args)
{
var ifStream = new FileStream("sample.txt", FileMode.Open, FileAccess.Read);
var reader = new BufferedReader(90, ifStream);
var ofStream = new FileStream("output.lz77", FileMode.Create, FileAccess.Write);
var writer = new BufferedWriter(90, ofStream);
var compressor = await Compressor.Create(reader.ReadByte, writer.WriteCustomLength, 1024, 256);
await compressor.Compress((ulong)ifStream.Length);
await writer.FlushBuffer();
ifStream.Close();
ofStream.Close();
ifStream = new FileStream("output.lz77", FileMode.Open, FileAccess.Read);
reader = new BufferedReader(90, ifStream);
ofStream = new FileStream("output.txt", FileMode.Create, FileAccess.Write);
writer = new BufferedWriter(9, ofStream);
var extr = new Extractor(reader.ReadCustomLength, writer.WriteCustomLength);
await extr.Extract();
await writer.FlushBuffer();
ifStream.Close();
ofStream.Close();
}
private async void ExtractLz77Worker(object sender, DoWorkEventArgs e)
{
long progress = 0;
var reader = new BufferedReader(2000000, mInputStreamLz77O);
var writer = new BufferedWriter(2000000, mOutputStreamLz77O);
var len = 1L;
var extractor = new Extractor(reader.ReadCustomLength, writer.WriteCustomLength);
extractor.FileLength += x => len = x;
extractor.WordsWritten += x =>
{
progress += x;
};
Timer t = new Timer(o => mLz77OWorker.ReportProgress(Convert.ToInt32(progress * 100 / len)), null, 0, 25);
await extractor.Extract();
t.Dispose();
await writer.FlushBuffer();
mInputStreamLz77O.Close();
mOutputStreamLz77O.Close();
}
