public void Parse(Stream stream)
{
BinaryReader reader = new BinaryReader(stream);
try
{
magic_ = new string(reader.ReadChars(3));
version_ = reader.ReadByte();
file_length_ = reader.ReadUInt32();
}
catch (Exception)
{
throw new Exception("NMMファイルではありません。");
}
data_stream_ = new MemoryStream((int)stream.Length);
Stream zis = null;
try
{
if (magic_ == "CWS")
{
zis = new ICSharpCode.SharpZipLib.Zip.Compression.Streams.InflaterInputStream(stream);
}
else if (magic_ == "FWS")
{
zis = stream;
}
else
{
throw new Exception("NMMファイルではありません。");
}
int s;
byte[] b = new byte[1024];
while ((s = zis.Read(b, 0, b.Length)) > 0)
{
data_stream_.Write(b, 0, s);
}
}
finally
{
if (magic_ == "CWS" && zis != null)
{
zis.Close();
}
}
data_stream_.Seek(0, SeekOrigin.Begin);
data_reader_ = new BinaryReader(data_stream_);
frame_size_.Parse(data_reader_.BaseStream);
frame_rate_ = data_reader_.ReadUInt16();
frame_count_ = data_reader_.ReadUInt16();
while (data_reader_.BaseStream.Position < data_reader_.BaseStream.Length)
{
Tags tags = new Tags();
ushort v = data_reader_.ReadUInt16();
if (v == 0)
{
break;
}
tags.tag = (byte)(v >> 6);
tags.size = (uint)v & 0x3F;
if (tags.size == 63)
{
tags.size = data_reader_.ReadUInt32();
}
tags.position = (int)data_reader_.BaseStream.Position;
data_reader_.BaseStream.Seek(tags.size, SeekOrigin.Current);
tag_list_.Add(tags);
}
}
public PlaceObject(Tags tags, BinaryReader reader, int size)
{
tags_ = tags;
reader.BaseStream.Seek(tags.position, SeekOrigin.Begin);
Parse(reader);
}
public Picture(Tags tags, BinaryReader reader, int size)
{
tags_ = tags;
Parse(tags, reader, size);
}
