private static void write(Chunk chunk, StreamAccessor accessor)
{
accessor.Write(chunk.name, EncodingType.CC4);
StreamAccessor ac2 = new StreamAccessor(accessor.WriteSubStream(4));
long pos0 = accessor.Position;
// 内容
if (chunk.content != null)
{
if (chunk.content is byte[])
{
accessor.Write((byte[])chunk.content);
}
else if (chunk.content is System.IO.Stream)
{
accessor.WriteStream((System.IO.Stream)chunk.content);
}
else
{
RiffChunkReadWriteAttribute.Write(chunk.content, accessor);
}
}
else if (chunk._data != null)
{
accessor.Write(chunk._data);
}
else if (chunk._stream != null)
{
accessor.WriteStream(chunk.Stream);
}
ac2.Write(checked ((uint)(accessor.Position - pos0)), EncodingType.U4);
ac2.Stream.Close();
}
private static void write(DirectoryCollection dirs, StreamAccessor accessor)
{
StreamAccessor acSize = new StreamAccessor(accessor.WriteSubStream(4));
long pos0 = accessor.Position;
foreach (ImageDirectory childdir in dirs)
{
accessor.Write(childdir);
}
acSize.Write(checked ((uint)(accessor.Position - pos0)), EncodingType.U4);
acSize.Stream.Close();
}
private void WriteExtHeader(StreamAccessor accessor, out StreamAccessor str_crc32)
{
accessor.Write(this.hascrc ? 10 : 6, EncodingType.U4BE);
ushort num = this.hascrc ? ((ushort)0x8000) : ((ushort)0);
accessor.Write(num, EncodingType.U2BE);
accessor.Write((uint)0, EncodingType.U4BE);
if (this.hascrc)
{
str_crc32 = new StreamAccessor(accessor.WriteSubStream(4L));
}
else
{
str_crc32 = null;
}
}
private static void write(RiffFile value, StreamAccessor accessor)
{
accessor.Write("RIFF", EncodingType.CC4);
StreamAccessor acSize = new StreamAccessor(accessor.WriteSubStream(4));
long pos0 = accessor.Position;
accessor.Write(value.type, EncodingType.CC4);
foreach (Chunk chunk in value.chunks)
{
accessor.Write(chunk, EncodingType.NoSpecified);
}
uint size = checked ((uint)(accessor.Position - pos0));
acSize.Write(size, EncodingType.U4);
acSize.Stream.Close();
}