private void Decompress_Click(object sender, EventArgs e)
{
Decompress.Enabled = false;
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.Filter = "Data files (*.dat)|*.dat";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
FilePath = openFileDialog1.FileName.Remove((openFileDialog1.FileName.Length - 4), 4);
FileStream rs = new FileStream(openFileDialog1.FileName, FileMode.Open, FileAccess.Read);
Huffman_Tree tree = new Huffman_Tree();
tree.FrequencyList = (List <Tuple <Dictionary <int, uint>, BitArray> >)formatter.Deserialize(rs);
tree.BuildTree();
List <bool> st = new List <bool>();
tree.Encode(tree.Rroot, st, 'R');
st = new List <bool>();
tree.Encode(tree.Groot, st, 'G');
st = new List <bool>();
tree.Encode(tree.Broot, st, 'B');
img = tree.Decompress();
pictureBox2.Image = img;
txtWidth.Text = tree.FrequencyList[0].Item1[-100].ToString();
txtHeight.Text = tree.FrequencyList[0].Item1[-101].ToString();
TAP.Text = tree.FrequencyList[0].Item1[-102].ToString();
SEED.Text = tree.FrequencyList[0].Item1[-103].ToString();
rs.Close();
img.Save(FilePath + "new.bmp");
MessageBox.Show("Decompressed Image has been Saved.", "Decompression Sucessful", MessageBoxButtons.OK);
}
Decompress.Enabled = true;
}
private void Compression_Click(object sender, EventArgs e)
{
Compression.Enabled = false;
Huffman_Tree tree = new Huffman_Tree(img);
tree.BuildTree();
List <bool> st = new List <bool>();
tree.Encode(tree.Rroot, st, 'R');
st = new List <bool>();
tree.Encode(tree.Groot, st, 'G');
st = new List <bool>();
tree.Encode(tree.Broot, st, 'B');
CompressionOutput(tree, FilePath);
tree.Compress(img, FilePath);
FileStream fs = new FileStream(FilePath + ".dat", FileMode.Create, FileAccess.Write);
tree.FrequencyList[0].Item1.Add(-102, UInt32.Parse(TAP.Text));
tree.FrequencyList[0].Item1.Add(-103, UInt32.Parse(SEED.Text));
formatter.Serialize(fs, tree.FrequencyList);
fs.Close();
Compression.Enabled = true;
MessageBox.Show("Compressed Image has been Saved.", "Compression Sucessful", MessageBoxButtons.OK);
}
