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/* $Id: tif_predict.h,v 1.8 2010-03-10 18:56:49 bfriesen Exp $ */
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/*
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* Copyright (c) 1995-1997 Sam Leffler
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* Copyright (c) 1995-1997 Silicon Graphics, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that (i) the above copyright notices and this permission notice appear in
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* all copies of the software and related documentation, and (ii) the names of
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* Sam Leffler and Silicon Graphics may not be used in any advertising or
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* publicity relating to the software without the specific, prior written
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* permission of Sam Leffler and Silicon Graphics.
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*
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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*
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* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifndef _TIFFPREDICT_
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#define _TIFFPREDICT_
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/*
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* ``Library-private'' Support for the Predictor Tag
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*/
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/*
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* Codecs that want to support the Predictor tag must place
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* this structure first in their private state block so that
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* the predictor code can cast tif_data to find its state.
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*/
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typedef struct {
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int predictor; /* predictor tag value */
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tmsize_t stride; /* sample stride over data */
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tmsize_t rowsize; /* tile/strip row size */
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TIFFCodeMethod encoderow; /* parent codec encode/decode row */
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TIFFCodeMethod encodestrip; /* parent codec encode/decode strip */
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TIFFCodeMethod encodetile; /* parent codec encode/decode tile */
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TIFFPostMethod encodepfunc; /* horizontal differencer */
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TIFFCodeMethod decoderow; /* parent codec encode/decode row */
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TIFFCodeMethod decodestrip; /* parent codec encode/decode strip */
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TIFFCodeMethod decodetile; /* parent codec encode/decode tile */
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TIFFPostMethod decodepfunc; /* horizontal accumulator */
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TIFFVGetMethod vgetparent; /* super-class method */
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TIFFVSetMethod vsetparent; /* super-class method */
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TIFFPrintMethod printdir; /* super-class method */
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TIFFBoolMethod setupdecode; /* super-class method */
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TIFFBoolMethod setupencode; /* super-class method */
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} TIFFPredictorState;
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#if defined(__cplusplus)
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extern "C" {
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#endif
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extern int TIFFPredictorInit(TIFF*);
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extern int TIFFPredictorCleanup(TIFF*);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* _TIFFPREDICT_ */
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/* vim: set ts=8 sts=8 sw=8 noet: */
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/*
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* Local Variables:
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* mode: c
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* c-basic-offset: 8
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* fill-column: 78
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* End:
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*/
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