public byte[] DecompressFile(CompressedFile compressedFile)
{
ICompressor compressor;
if (compressedFile.Queue != null)
{
compressor = new HuffmanCoding();
}
else
{
compressor = new RunLengthEncodingCompressor();
}
return(compressor.Decompress(compressedFile));
}
private async void panelFile_DragDrop(object sender, DragEventArgs e)
{
string[] files = e.Data.GetData(DataFormats.FileDrop, false) as string[];
ICompressor compressor;
if (comboBoxAlgorithm.Text.Equals("Huffman"))
{
compressor = new HuffmanCoding();
}
else
{
compressor = new RunLengthEncodingCompressor();
}
var file = File.ReadAllBytes(@files.First());
try
{
pictureBox.Hide();
panelFile.BackgroundImage = Image.FromFile(@files.First());
}
catch
{
pictureBox.Show();
panelFile.BackgroundImage = null;
}
var stopWatch = new Stopwatch();
stopWatch.Start();
var task = Task.Run(() =>
{
return(compressor.Compress(file));
});
compressedFile = await Task.Run(() =>
{
var writeStatus = new WriteStatusDelegate(WriteStatus);
int i = 0;
while (!task.IsCompleted)
{
if (i == 500)
{
labelStatus.Invoke(writeStatus, $"Status: {compressor.Percentage.ToString("0.00")} % processado");
}
i = (i + 1) % 501;
}
labelStatus.Invoke(writeStatus, $"Status: 100 % processado");
var f = task.Result;
f.Name = Path.GetFileName(files.First());
return(f);
});
stopWatch.Stop();
var compressionPercentage = compressedFile.Data.Length * 100M / file.Length;
labelTempo.Text = stopWatch.Elapsed.ToString(@"hh\:mm\:ss\.ffff");
labelTamanho.Text = (compressedFile.Data.LongLength / 1024M).ToString("0.000") + " kb";
labelCompressionPercent.Text = $"{compressionPercentage.ToString("0.00")} %";
}
