protected override IFDEntry ParseIFDEntry(ushort tag, ushort type, uint count, long base_offset, uint offset)
{
if (tag == 0x002e && !seen_jpgfromraw)
{
file.Seek(base_offset + offset, SeekOrigin.Begin);
var data = file.ReadBlock((int)count);
var mem_stream = new MemoryStream(data.Data);
var res = new StreamJPGAbstraction(mem_stream);
(file as Rw2.File).JpgFromRaw = new Jpeg.File(res, ReadStyle.Average);
seen_jpgfromraw = true;
return(null);
}
return(base.ParseIFDEntry(tag, type, count, base_offset, offset));
}
/// <summary>
/// Try to parse the given IFD entry, used to discover format-specific entries.
/// </summary>
/// <param name="tag">
/// A <see cref="System.UInt16"/> with the tag of the entry.
/// </param>
/// <param name="type">
/// A <see cref="System.UInt16"/> with the type of the entry.
/// </param>
/// <param name="count">
/// A <see cref="System.UInt32"/> with the data count of the entry.
/// </param>
/// <param name="base_offset">
/// A <see cref="System.Int64"/> with the base offset which every offsets in the
/// IFD are relative to.
/// </param>
/// <param name="offset">
/// A <see cref="System.UInt32"/> with the offset of the entry.
/// </param>
/// <returns>
/// A <see cref="IFDEntry"/> with the given parameters, or null if none was parsed, after
/// which the normal TIFF parsing is used.
/// </returns>
protected override IFDEntry ParseIFDEntry (ushort tag, ushort type, uint count, long base_offset, uint offset) {
if (tag == 0x002e && !seen_jpgfromraw) {
// FIXME: JpgFromRaw
file.Seek (base_offset + offset, SeekOrigin.Begin);
var data = file.ReadBlock ((int) count);
var mem_stream = new MemoryStream (data.Data);
var res = new StreamJPGAbstraction (mem_stream);
(file as Rw2.File).JpgFromRaw = new Jpeg.File (res, ReadStyle.Average);
seen_jpgfromraw = true;
return null;
}
return base.ParseIFDEntry (tag, type, count, base_offset, offset);
}