private void button4_Click(object sender, EventArgs e)
{
button1.Enabled = false;
button2.Enabled = false;
button3.Enabled = false;
button4.Enabled = false;
DevFileLocation fl = new DevFileLocation(textBox1.Text);
ContentBinaryWriter bw = new ContentBinaryWriter(fl);
bw.Write(LpkArchive.FileId);
int count = listView1.Items.Count;
bw.Write(count);
progressBar1.Value = 0;
progressBar1.Maximum = count;
int oldPos = (int)bw.BaseStream.Position;
ListView.ListViewItemCollection coll = listView1.Items;
LpkArchiveEntry[] entries = new LpkArchiveEntry[count];
for (int i = 0; i < count; i++)
{
entries[i].Name = Path.GetFileName(coll[i].Text);
bw.WriteStringUnicode(entries[i].Name);
bw.Write(entries[i].CompressedSize);
bw.Write(entries[i].Offset);
bw.Write(entries[i].Size);
bw.Write(entries[i].Flag);
}
#region 打包文件
for (int i = 0; i < count; i++)
{
FileStream fs = new FileStream(coll[i].Text, FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(fs);
entries[i].Offset = (int)bw.BaseStream.Position;
entries[i].Size = (int)br.BaseStream.Length;
entries[i].CompressedSize = entries[i].Size;
entries[i].Flag = 0;
bw.Write(br.ReadBytes(entries[i].Size));
br.Close();
fs.Close();
Application.DoEvents();
progressBar1.Value = i + 1;
}
CoderPropID[] propIDs =
{
CoderPropID.DictionarySize,
CoderPropID.Algorithm
};
object[] properties =
{
1048576*8,
2
};
SevenZip.Compression.LZMA.Encoder encoder = new SevenZip.Compression.LZMA.Encoder();
encoder.SetCoderProperties(propIDs, properties);
System.IO.MemoryStream propms = new System.IO.MemoryStream();
encoder.WriteCoderProperties(propms);
bw.Write((int)propms.Length);
propms.Close();
bw.Write(propms.ToArray());
for (int i = 0; i < count; i++)
{
entries[i].Offset = (int)bw.BaseStream.Position;
FileStream fs = new FileStream(coll[i].Text, FileMode.Open, FileAccess.Read);
System.IO.MemoryStream ms = new System.IO.MemoryStream((int)fs.Length / 2);
encoder.Code(fs, ms, -1, -1, null);
entries[i].Size = (int)fs.Length;
fs.Close();
ms.Close();
byte[] buffer = ms.ToArray();
bw.Write(buffer);
entries[i].CompressedSize = buffer.Length;
entries[i].Flag = 0;
Application.DoEvents();
progressBar1.Value = i + 1;
}
#endregion
bw.Seek(oldPos, SeekOrigin.Begin);
for (int i = 0; i < count; i++)
{
bw.WriteStringUnicode(entries[i].Name);
bw.Write(entries[i].CompressedSize);
bw.Write(entries[i].Offset);
bw.Write(entries[i].Size);
bw.Write(entries[i].Flag);
}
bw.Close();
button1.Enabled = true;
button2.Enabled = true;
button3.Enabled = true;
button4.Enabled = true;
}
private void button4_Click(object sender, EventArgs e)
{
button1.Enabled = false;
button2.Enabled = false;
button3.Enabled = false;
button4.Enabled = false;
DevFileLocation fl = new DevFileLocation(textBox1.Text);
ContentBinaryWriter bw = new ContentBinaryWriter(fl);
bw.Write(LpkArchive.FileId);
int count = listView1.Items.Count;
bw.Write(count);
progressBar1.Value = 0;
progressBar1.Maximum = count;
int oldPos = (int)bw.BaseStream.Position;
ListView.ListViewItemCollection coll = listView1.Items;
LpkArchiveEntry[] entries = new LpkArchiveEntry[count];
for (int i = 0; i < count; i++)
{
entries[i].Name = Path.GetFileName(coll[i].Text);
bw.WriteStringUnicode(entries[i].Name);
bw.Write(entries[i].CompressedSize);
bw.Write(entries[i].Offset);
bw.Write(entries[i].Size);
bw.Write(entries[i].Flag);
}
#region 打包文件
for (int i = 0; i < count; i++)
{
FileStream fs = new FileStream(coll[i].Text, FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(fs);
entries[i].Offset = (int)bw.BaseStream.Position;
entries[i].Size = (int)br.BaseStream.Length;
entries[i].CompressedSize = entries[i].Size;
entries[i].Flag = 0;
bw.Write(br.ReadBytes(entries[i].Size));
br.Close();
fs.Close();
Application.DoEvents();
progressBar1.Value = i + 1;
}
CoderPropID[] propIDs =
{
CoderPropID.DictionarySize,
CoderPropID.Algorithm
};
object[] properties =
{
1048576 * 8,
2
};
SevenZip.Compression.LZMA.Encoder encoder = new SevenZip.Compression.LZMA.Encoder();
encoder.SetCoderProperties(propIDs, properties);
System.IO.MemoryStream propms = new System.IO.MemoryStream();
encoder.WriteCoderProperties(propms);
bw.Write((int)propms.Length);
propms.Close();
bw.Write(propms.ToArray());
for (int i = 0; i < count; i++)
{
entries[i].Offset = (int)bw.BaseStream.Position;
FileStream fs = new FileStream(coll[i].Text, FileMode.Open, FileAccess.Read);
System.IO.MemoryStream ms = new System.IO.MemoryStream((int)fs.Length / 2);
encoder.Code(fs, ms, -1, -1, null);
entries[i].Size = (int)fs.Length;
fs.Close();
ms.Close();
byte[] buffer = ms.ToArray();
bw.Write(buffer);
entries[i].CompressedSize = buffer.Length;
entries[i].Flag = 0;
Application.DoEvents();
progressBar1.Value = i + 1;
}
#endregion
bw.Seek(oldPos, SeekOrigin.Begin);
for (int i = 0; i < count; i++)
{
bw.WriteStringUnicode(entries[i].Name);
bw.Write(entries[i].CompressedSize);
bw.Write(entries[i].Offset);
bw.Write(entries[i].Size);
bw.Write(entries[i].Flag);
}
bw.Close();
button1.Enabled = true;
button2.Enabled = true;
button3.Enabled = true;
button4.Enabled = true;
}
