static bool PredictorEncodeRow(TIFF tif, byte[] bp, int cc, ushort s)
{
TIFFPredictorState sp = (TIFFPredictorState)tif.tif_data;
// XXX horizontal differencing alters user's data XXX
sp.encodepfunc(tif, bp, 0, cc);
return(sp.encoderow(tif, bp, cc, s));
}
static bool PredictorEncodeTile(TIFF tif, byte[] bp0, int cc0, ushort s)
{
string module = "PredictorEncodeTile";
TIFFPredictorState sp = (TIFFPredictorState)tif.tif_data;
int cc = cc0;
byte[] bp = null;
try
{
bp = new byte[cc0];
}
catch
{
TIFFErrorExt(tif.tif_clientdata, module, "Out of memory allocating {0} byte temp buffer.", cc0);
return(false);
}
bp0.CopyTo(bp, 0);
int rowsize = sp.rowsize;
#if DEBUG
if (rowsize <= 0)
{
throw new Exception("rowsize<=0");
}
if ((cc0 % rowsize) != 0)
{
throw new Exception("(cc0%rowsize)!=0");
}
#endif
int bp_offset = 0;
while (cc > 0)
{
sp.encodepfunc(tif, bp, bp_offset, rowsize);
cc -= rowsize;
bp_offset += rowsize;
}
return(sp.encodetile(tif, bp, cc0, s));
}
