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tif_predict.h
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1 /* $Id: tif_predict.h,v 1.3.2.2 2010-06-08 18:50:42 bfriesen Exp $ */
2
3 /*
4 * Copyright (c) 1995-1997 Sam Leffler
5 * Copyright (c) 1995-1997 Silicon Graphics, Inc.
6 *
7 * Permission to use, copy, modify, distribute, and sell this software and
8 * its documentation for any purpose is hereby granted without fee, provided
9 * that (i) the above copyright notices and this permission notice appear in
10 * all copies of the software and related documentation, and (ii) the names of
11 * Sam Leffler and Silicon Graphics may not be used in any advertising or
12 * publicity relating to the software without the specific, prior written
13 * permission of Sam Leffler and Silicon Graphics.
14 *
15 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
17 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
18 *
19 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
20 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
21 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
22 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
23 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
24 * OF THIS SOFTWARE.
25 */
26
27 #ifndef _TIFFPREDICT_
28 #define _TIFFPREDICT_
29 /*
30 * ``Library-private'' Support for the Predictor Tag
31 */
32
33 /*
34 * Codecs that want to support the Predictor tag must place
35 * this structure first in their private state block so that
36 * the predictor code can cast tif_data to find its state.
37 */
38 typedef struct {
39 int predictor; /* predictor tag value */
40 int stride; /* sample stride over data */
41 tsize_t rowsize; /* tile/strip row size */
42
43 TIFFCodeMethod encoderow; /* parent codec encode/decode row */
44 TIFFCodeMethod encodestrip; /* parent codec encode/decode strip */
45 TIFFCodeMethod encodetile; /* parent codec encode/decode tile */
46 TIFFPostMethod encodepfunc; /* horizontal differencer */
47
48 TIFFCodeMethod decoderow; /* parent codec encode/decode row */
49 TIFFCodeMethod decodestrip; /* parent codec encode/decode strip */
50 TIFFCodeMethod decodetile; /* parent codec encode/decode tile */
51 TIFFPostMethod decodepfunc; /* horizontal accumulator */
52
53 TIFFVGetMethod vgetparent; /* super-class method */
54 TIFFVSetMethod vsetparent; /* super-class method */
55 TIFFPrintMethod printdir; /* super-class method */
56 TIFFBoolMethod setupdecode; /* super-class method */
57 TIFFBoolMethod setupencode; /* super-class method */
58 } TIFFPredictorState;
59
60 #if defined(__cplusplus)
61 extern "C" {
62 #endif
63 extern int TIFFPredictorInit(TIFF*);
64 extern int TIFFPredictorCleanup(TIFF*);
65 #if defined(__cplusplus)
66 }
67 #endif
68 #endif /* _TIFFPREDICT_ */
69
70 /* vim: set ts=8 sts=8 sw=8 noet: */
71 /*
72 * Local Variables:
73 * mode: c
74 * c-basic-offset: 8
75 * fill-column: 78
76 * End:
77 */
TIFFPredictorState::decodestrip
TIFFCodeMethod decodestrip
Definition: tif_predict.h:49
TIFFPredictorState::encodepfunc
TIFFPostMethod encodepfunc
Definition: tif_predict.h:46
tsize_t
int32 tsize_t
Definition: tiffio.h:67
TIFFPredictorState
Definition: tif_predict.h:38
TIFFPredictorState::vgetparent
TIFFVGetMethod vgetparent
Definition: tif_predict.h:53
TIFFPredictorInit
int TIFFPredictorInit(TIFF *)
Definition: tif_predict.c:673
TIFFPredictorState::vsetparent
TIFFVSetMethod vsetparent
Definition: tif_predict.h:54
TIFFPredictorState::decodepfunc
TIFFPostMethod decodepfunc
Definition: tif_predict.h:51
TIFFPredictorState::rowsize
tsize_t rowsize
Definition: tif_predict.h:41
tiff
Definition: tiffiop.h:102
TIFFPredictorState::encodetile
TIFFCodeMethod encodetile
Definition: tif_predict.h:45
TIFFPredictorState::encoderow
TIFFCodeMethod encoderow
Definition: tif_predict.h:43
TIFFBoolMethod
int(* TIFFBoolMethod)(TIFF *)
Definition: tiffiop.h:94
TIFFPredictorState::setupdecode
TIFFBoolMethod setupdecode
Definition: tif_predict.h:56
TIFFPredictorState::stride
int stride
Definition: tif_predict.h:40
TIFFPredictorState::printdir
TIFFPrintMethod printdir
Definition: tif_predict.h:55
TIFFPostMethod
void(* TIFFPostMethod)(TIFF *, tidata_t, tsize_t)
Definition: tiffiop.h:98
TIFFPredictorState::setupencode
TIFFBoolMethod setupencode
Definition: tif_predict.h:57
TIFFCodeMethod
int(* TIFFCodeMethod)(TIFF *, tidata_t, tsize_t, tsample_t)
Definition: tiffiop.h:96
TIFFPrintMethod
void(* TIFFPrintMethod)(TIFF *, FILE *, long)
Definition: tiffio.h:329
TIFFPredictorState::decodetile
TIFFCodeMethod decodetile
Definition: tif_predict.h:50
TIFFPredictorState::decoderow
TIFFCodeMethod decoderow
Definition: tif_predict.h:48
TIFFVGetMethod
int(* TIFFVGetMethod)(TIFF *, ttag_t, va_list)
Definition: tiffio.h:328
TIFFPredictorState::encodestrip
TIFFCodeMethod encodestrip
Definition: tif_predict.h:44
TIFFPredictorCleanup
int TIFFPredictorCleanup(TIFF *)
Definition: tif_predict.c:714
TIFFVSetMethod
int(* TIFFVSetMethod)(TIFF *, ttag_t, va_list)
Definition: tiffio.h:327
TIFFPredictorState::predictor
int predictor
Definition: tif_predict.h:39