public override FieldValue[] GetField(Tiff tif, TiffTag tag)
{
OJpegCodec sp = tif.m_currentCodec as OJpegCodec;
Debug.Assert(sp != null);
FieldValue[] result = null;
switch (tag)
{
case TiffTag.JPEGIFOFFSET:
result = new FieldValue[1];
result[0].Set(sp.m_jpeg_interchange_format);
break;
case TiffTag.JPEGIFBYTECOUNT:
result = new FieldValue[1];
result[0].Set(sp.m_jpeg_interchange_format_length);
break;
case TiffTag.YCBCRSUBSAMPLING:
if (!sp.m_subsamplingcorrect_done)
{
sp.OJPEGSubsamplingCorrect();
}
result = new FieldValue[2];
result[0].Set(sp.m_subsampling_hor);
result[1].Set(sp.m_subsampling_ver);
break;
case TiffTag.JPEGQTABLES:
result = new FieldValue[2];
result[0].Set(sp.m_qtable_offset_count);
result[1].Set(sp.m_qtable_offset);
break;
case TiffTag.JPEGDCTABLES:
result = new FieldValue[2];
result[0].Set(sp.m_dctable_offset_count);
result[1].Set(sp.m_dctable_offset);
break;
case TiffTag.JPEGACTABLES:
result = new FieldValue[2];
result[0].Set(sp.m_actable_offset_count);
result[1].Set(sp.m_actable_offset);
break;
case TiffTag.JPEGPROC:
result = new FieldValue[1];
result[0].Set(sp.m_jpeg_proc);
break;
case TiffTag.JPEGRESTARTINTERVAL:
result = new FieldValue[1];
result[0].Set(sp.m_restart_interval);
break;
default:
return(base.GetField(tif, tag));
}
return(result);
}
