65 lines
2.4 KiB
C
65 lines
2.4 KiB
C
/* $Id: tif_predict.h,v 1.3 2006-03-03 14:10:09 dron Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1995-1997 Sam Leffler
|
|
* Copyright (c) 1995-1997 Silicon Graphics, Inc.
|
|
*
|
|
* Permission to use, copy, modify, distribute, and sell this software and
|
|
* its documentation for any purpose is hereby granted without fee, provided
|
|
* that (i) the above copyright notices and this permission notice appear in
|
|
* all copies of the software and related documentation, and (ii) the names of
|
|
* Sam Leffler and Silicon Graphics may not be used in any advertising or
|
|
* publicity relating to the software without the specific, prior written
|
|
* permission of Sam Leffler and Silicon Graphics.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
|
|
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
|
|
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
|
|
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
|
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
|
|
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
|
* OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _TIFFPREDICT_
|
|
#define _TIFFPREDICT_
|
|
/*
|
|
* ``Library-private'' Support for the Predictor Tag
|
|
*/
|
|
|
|
/*
|
|
* Codecs that want to support the Predictor tag must place
|
|
* this structure first in their private state block so that
|
|
* the predictor code can cast tif_data to find its state.
|
|
*/
|
|
typedef struct {
|
|
int predictor; /* predictor tag value */
|
|
int stride; /* sample stride over data */
|
|
tsize_t rowsize; /* tile/strip row size */
|
|
|
|
TIFFPostMethod pfunc; /* horizontal differencer/accumulator */
|
|
TIFFCodeMethod coderow; /* parent codec encode/decode row */
|
|
TIFFCodeMethod codestrip; /* parent codec encode/decode strip */
|
|
TIFFCodeMethod codetile; /* parent codec encode/decode tile */
|
|
TIFFVGetMethod vgetparent; /* super-class method */
|
|
TIFFVSetMethod vsetparent; /* super-class method */
|
|
TIFFPrintMethod printdir; /* super-class method */
|
|
TIFFBoolMethod setupdecode; /* super-class method */
|
|
TIFFBoolMethod setupencode; /* super-class method */
|
|
} TIFFPredictorState;
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
extern int TIFFPredictorInit(TIFF*);
|
|
extern int TIFFPredictorCleanup(TIFF*);
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|
|
#endif /* _TIFFPREDICT_ */
|
|
|
|
/* vim: set ts=8 sts=8 sw=8 noet: */
|