public override void PrintDir(Tiff tif, Stream fd, TiffPrintFlags flags)
{
CodecWithPredictor sp = tif.m_currentCodec as CodecWithPredictor;
Debug.Assert(sp != null);
if (tif.fieldSet(CodecWithPredictor.FIELD_PREDICTOR))
{
Tiff.fprintf(fd, " Predictor: ");
Predictor predictor = sp.GetPredictorValue();
switch (predictor)
{
case Predictor.NONE:
Tiff.fprintf(fd, "none ");
break;
case Predictor.HORIZONTAL:
Tiff.fprintf(fd, "horizontal differencing ");
break;
case Predictor.FLOATINGPOINT:
Tiff.fprintf(fd, "floating point predictor ");
break;
}
Tiff.fprintf(fd, "{0} (0x{1:x})\r\n", predictor, predictor);
}
TiffTagMethods childMethods = sp.GetChildTagMethods();
if (childMethods != null)
{
childMethods.PrintDir(tif, fd, flags);
}
else
{
base.PrintDir(tif, fd, flags);
}
}
public override FieldValue[] GetField(Tiff tif, TiffTag tag)
{
CodecWithPredictor sp = tif.m_currentCodec as CodecWithPredictor;
Debug.Assert(sp != null);
switch (tag)
{
case TiffTag.PREDICTOR:
FieldValue[] result = new FieldValue[1];
result[0].Set(sp.GetPredictorValue());
return(result);
}
TiffTagMethods childMethods = sp.GetChildTagMethods();
if (childMethods != null)
{
return(childMethods.GetField(tif, tag));
}
return(base.GetField(tif, tag));
}
public override bool SetField(Tiff tif, TiffTag tag, FieldValue[] ap)
{
CodecWithPredictor sp = tif.m_currentCodec as CodecWithPredictor;
Debug.Assert(sp != null);
switch (tag)
{
case TiffTag.PREDICTOR:
sp.SetPredictorValue((Predictor)ap[0].ToByte());
tif.setFieldBit(CodecWithPredictor.FIELD_PREDICTOR);
tif.m_flags |= TiffFlags.DIRTYDIRECT;
return(true);
}
TiffTagMethods childMethods = sp.GetChildTagMethods();
if (childMethods != null)
{
return(childMethods.SetField(tif, tag, ap));
}
return(base.SetField(tif, tag, ap));
}