1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
|
/* $Id: tiffiop.h,v 1.4 2009/12/11 15:17:41 scuri Exp $ */
/*
* Copyright (c) 1988-1997 Sam Leffler
* Copyright (c) 1991-1997 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 _TIFFIOP_
#define _TIFFIOP_
/*
* ``Library-private'' definitions.
*/
#include "tif_config.h"
#ifdef HAVE_FCNTL_H
# include <fcntl.h>
#endif
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_ASSERT_H
# include <assert.h>
#else
# define assert(x)
#endif
#ifdef HAVE_SEARCH_H
# include <search.h>
#else
extern void *lfind(const void *, const void *, size_t *, size_t,
int (*)(const void *, const void *));
#endif
/*
Libtiff itself does not require a 64-bit type, but bundled TIFF
utilities may use it.
*/
/* typedef TIFF_INT64_T int64; IMLIB */
/* typedef TIFF_UINT64_T uint64; IMLIB */
#include "tiffio.h"
#include "tif_dir.h"
#ifndef STRIP_SIZE_DEFAULT
# define STRIP_SIZE_DEFAULT 8192
#endif
#define streq(a,b) (strcmp(a,b) == 0)
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
typedef struct client_info {
struct client_info *next;
void *data;
char *name;
} TIFFClientInfoLink;
/*
* Typedefs for ``method pointers'' used internally.
*/
typedef unsigned char tidataval_t; /* internal image data value type */
typedef tidataval_t* tidata_t; /* reference to internal image data */
typedef void (*TIFFVoidMethod)(TIFF*);
typedef int (*TIFFBoolMethod)(TIFF*);
typedef int (*TIFFPreMethod)(TIFF*, tsample_t);
typedef int (*TIFFCodeMethod)(TIFF*, tidata_t, tsize_t, tsample_t);
typedef int (*TIFFSeekMethod)(TIFF*, uint32);
typedef void (*TIFFPostMethod)(TIFF*, tidata_t, tsize_t);
typedef uint32 (*TIFFStripMethod)(TIFF*, uint32);
typedef void (*TIFFTileMethod)(TIFF*, uint32*, uint32*);
struct tiff {
char* tif_name; /* name of open file */
int tif_fd; /* open file descriptor */
int tif_mode; /* open mode (O_*) */
uint32 tif_flags;
#define TIFF_FILLORDER 0x00003 /* natural bit fill order for machine */
#define TIFF_DIRTYHEADER 0x00004 /* header must be written on close */
#define TIFF_DIRTYDIRECT 0x00008 /* current directory must be written */
#define TIFF_BUFFERSETUP 0x00010 /* data buffers setup */
#define TIFF_CODERSETUP 0x00020 /* encoder/decoder setup done */
#define TIFF_BEENWRITING 0x00040 /* written 1+ scanlines to file */
#define TIFF_SWAB 0x00080 /* byte swap file information */
#define TIFF_NOBITREV 0x00100 /* inhibit bit reversal logic */
#define TIFF_MYBUFFER 0x00200 /* my raw data buffer; free on close */
#define TIFF_ISTILED 0x00400 /* file is tile, not strip- based */
#define TIFF_MAPPED 0x00800 /* file is mapped into memory */
#define TIFF_POSTENCODE 0x01000 /* need call to postencode routine */
#define TIFF_INSUBIFD 0x02000 /* currently writing a subifd */
#define TIFF_UPSAMPLED 0x04000 /* library is doing data up-sampling */
#define TIFF_STRIPCHOP 0x08000 /* enable strip chopping support */
#define TIFF_HEADERONLY 0x10000 /* read header only, do not process */
/* the first directory */
#define TIFF_NOREADRAW 0x20000 /* skip reading of raw uncompressed */
/* image data */
#define TIFF_INCUSTOMIFD 0x40000 /* currently writing a custom IFD */
toff_t tif_diroff; /* file offset of current directory */
toff_t tif_nextdiroff; /* file offset of following directory */
toff_t* tif_dirlist; /* list of offsets to already seen */
/* directories to prevent IFD looping */
tsize_t tif_dirlistsize;/* number of entires in offset list */
uint16 tif_dirnumber; /* number of already seen directories */
TIFFDirectory tif_dir; /* internal rep of current directory */
TIFFDirectory tif_customdir; /* custom IFDs are separated from
the main ones */
TIFFHeader tif_header; /* file's header block */
const int* tif_typeshift; /* data type shift counts */
const long* tif_typemask; /* data type masks */
uint32 tif_row; /* current scanline */
tdir_t tif_curdir; /* current directory (index) */
tstrip_t tif_curstrip; /* current strip for read/write */
toff_t tif_curoff; /* current offset for read/write */
toff_t tif_dataoff; /* current offset for writing dir */
/* SubIFD support */
uint16 tif_nsubifd; /* remaining subifds to write */
toff_t tif_subifdoff; /* offset for patching SubIFD link */
/* tiling support */
uint32 tif_col; /* current column (offset by row too) */
ttile_t tif_curtile; /* current tile for read/write */
tsize_t tif_tilesize; /* # of bytes in a tile */
/* compression scheme hooks */
int tif_decodestatus;
TIFFBoolMethod tif_setupdecode;/* called once before predecode */
TIFFPreMethod tif_predecode; /* pre- row/strip/tile decoding */
TIFFBoolMethod tif_setupencode;/* called once before preencode */
int tif_encodestatus;
TIFFPreMethod tif_preencode; /* pre- row/strip/tile encoding */
TIFFBoolMethod tif_postencode; /* post- row/strip/tile encoding */
TIFFCodeMethod tif_decoderow; /* scanline decoding routine */
TIFFCodeMethod tif_encoderow; /* scanline encoding routine */
TIFFCodeMethod tif_decodestrip;/* strip decoding routine */
TIFFCodeMethod tif_encodestrip;/* strip encoding routine */
TIFFCodeMethod tif_decodetile; /* tile decoding routine */
TIFFCodeMethod tif_encodetile; /* tile encoding routine */
TIFFVoidMethod tif_close; /* cleanup-on-close routine */
TIFFSeekMethod tif_seek; /* position within a strip routine */
TIFFVoidMethod tif_cleanup; /* cleanup state routine */
TIFFStripMethod tif_defstripsize;/* calculate/constrain strip size */
TIFFTileMethod tif_deftilesize;/* calculate/constrain tile size */
tidata_t tif_data; /* compression scheme private data */
/* input/output buffering */
tsize_t tif_scanlinesize;/* # of bytes in a scanline */
tsize_t tif_scanlineskew;/* scanline skew for reading strips */
tidata_t tif_rawdata; /* raw data buffer */
tsize_t tif_rawdatasize;/* # of bytes in raw data buffer */
tidata_t tif_rawcp; /* current spot in raw buffer */
tsize_t tif_rawcc; /* bytes unread from raw buffer */
/* memory-mapped file support */
tidata_t tif_base; /* base of mapped file */
toff_t tif_size; /* size of mapped file region (bytes)
FIXME: it should be tsize_t */
TIFFMapFileProc tif_mapproc; /* map file method */
TIFFUnmapFileProc tif_unmapproc;/* unmap file method */
/* input/output callback methods */
thandle_t tif_clientdata; /* callback parameter */
TIFFReadWriteProc tif_readproc; /* read method */
TIFFReadWriteProc tif_writeproc;/* write method */
TIFFSeekProc tif_seekproc; /* lseek method */
TIFFCloseProc tif_closeproc; /* close method */
TIFFSizeProc tif_sizeproc; /* filesize method */
/* post-decoding support */
TIFFPostMethod tif_postdecode; /* post decoding routine */
/* tag support */
TIFFFieldInfo** tif_fieldinfo; /* sorted table of registered tags */
size_t tif_nfields; /* # entries in registered tag table */
const TIFFFieldInfo *tif_foundfield;/* cached pointer to already found tag */
TIFFTagMethods tif_tagmethods; /* tag get/set/print routines */
TIFFClientInfoLink *tif_clientinfo; /* extra client information. */
};
#define isPseudoTag(t) (t > 0xffff) /* is tag value normal or pseudo */
#define isTiled(tif) (((tif)->tif_flags & TIFF_ISTILED) != 0)
#define isMapped(tif) (((tif)->tif_flags & TIFF_MAPPED) != 0)
#define isFillOrder(tif, o) (((tif)->tif_flags & (o)) != 0)
#define isUpSampled(tif) (((tif)->tif_flags & TIFF_UPSAMPLED) != 0)
#define TIFFReadFile(tif, buf, size) \
((*(tif)->tif_readproc)((tif)->tif_clientdata,buf,size))
#define TIFFWriteFile(tif, buf, size) \
((*(tif)->tif_writeproc)((tif)->tif_clientdata,buf,size))
#define TIFFSeekFile(tif, off, whence) \
((*(tif)->tif_seekproc)((tif)->tif_clientdata,(toff_t)(off),whence))
#define TIFFCloseFile(tif) \
((*(tif)->tif_closeproc)((tif)->tif_clientdata))
#define TIFFGetFileSize(tif) \
((*(tif)->tif_sizeproc)((tif)->tif_clientdata))
#define TIFFMapFileContents(tif, paddr, psize) \
((*(tif)->tif_mapproc)((tif)->tif_clientdata,paddr,psize))
#define TIFFUnmapFileContents(tif, addr, size) \
((*(tif)->tif_unmapproc)((tif)->tif_clientdata,addr,size))
/*
* Default Read/Seek/Write definitions.
*/
#ifndef ReadOK
#define ReadOK(tif, buf, size) \
(TIFFReadFile(tif, (tdata_t) buf, (tsize_t)(size)) == (tsize_t)(size))
#endif
#ifndef SeekOK
#define SeekOK(tif, off) \
(TIFFSeekFile(tif, (toff_t) off, SEEK_SET) == (toff_t) off)
#endif
#ifndef WriteOK
#define WriteOK(tif, buf, size) \
(TIFFWriteFile(tif, (tdata_t) buf, (tsize_t) size) == (tsize_t) size)
#endif
/* NB: the uint32 casts are to silence certain ANSI-C compilers */
#define TIFFhowmany(x, y) ((((uint32)(x))+(((uint32)(y))-1))/((uint32)(y)))
#define TIFFhowmany8(x) (((x)&0x07)?((uint32)(x)>>3)+1:(uint32)(x)>>3)
#define TIFFroundup(x, y) (TIFFhowmany(x,y)*(y))
#define TIFFmax(A,B) ((A)>(B)?(A):(B))
#define TIFFmin(A,B) ((A)<(B)?(A):(B))
#define TIFFArrayCount(a) (sizeof (a) / sizeof ((a)[0]))
#if defined(__cplusplus)
extern "C" {
#endif
extern int _TIFFgetMode(const char*, const char*);
extern int _TIFFNoRowEncode(TIFF*, tidata_t, tsize_t, tsample_t);
extern int _TIFFNoStripEncode(TIFF*, tidata_t, tsize_t, tsample_t);
extern int _TIFFNoTileEncode(TIFF*, tidata_t, tsize_t, tsample_t);
extern int _TIFFNoRowDecode(TIFF*, tidata_t, tsize_t, tsample_t);
extern int _TIFFNoStripDecode(TIFF*, tidata_t, tsize_t, tsample_t);
extern int _TIFFNoTileDecode(TIFF*, tidata_t, tsize_t, tsample_t);
extern void _TIFFNoPostDecode(TIFF*, tidata_t, tsize_t);
extern int _TIFFNoPreCode (TIFF*, tsample_t);
extern int _TIFFNoSeek(TIFF*, uint32);
extern void _TIFFSwab16BitData(TIFF*, tidata_t, tsize_t);
extern void _TIFFSwab24BitData(TIFF*, tidata_t, tsize_t);
extern void _TIFFSwab32BitData(TIFF*, tidata_t, tsize_t);
extern void _TIFFSwab64BitData(TIFF*, tidata_t, tsize_t);
extern int TIFFFlushData1(TIFF*);
extern int TIFFDefaultDirectory(TIFF*);
extern void _TIFFSetDefaultCompressionState(TIFF*);
extern int TIFFSetCompressionScheme(TIFF*, int);
extern int TIFFSetDefaultCompressionState(TIFF*);
extern uint32 _TIFFDefaultStripSize(TIFF*, uint32);
extern void _TIFFDefaultTileSize(TIFF*, uint32*, uint32*);
extern int _TIFFDataSize(TIFFDataType);
extern void _TIFFsetByteArray(void**, void*, uint32);
extern void _TIFFsetString(char**, char*);
extern void _TIFFsetShortArray(uint16**, uint16*, uint32);
extern void _TIFFsetLongArray(uint32**, uint32*, uint32);
extern void _TIFFsetFloatArray(float**, float*, uint32);
extern void _TIFFsetDoubleArray(double**, double*, uint32);
extern void _TIFFprintAscii(FILE*, const char*);
extern void _TIFFprintAsciiTag(FILE*, const char*, const char*);
extern TIFFErrorHandler _TIFFwarningHandler;
extern TIFFErrorHandler _TIFFerrorHandler;
extern TIFFErrorHandlerExt _TIFFwarningHandlerExt;
extern TIFFErrorHandlerExt _TIFFerrorHandlerExt;
extern tdata_t _TIFFCheckMalloc(TIFF*, size_t, size_t, const char*);
extern tdata_t _TIFFCheckRealloc(TIFF*, tdata_t, size_t, size_t, const char*);
extern int TIFFInitDumpMode(TIFF*, int);
#ifdef PACKBITS_SUPPORT
extern int TIFFInitPackBits(TIFF*, int);
#endif
#ifdef CCITT_SUPPORT
extern int TIFFInitCCITTRLE(TIFF*, int), TIFFInitCCITTRLEW(TIFF*, int);
extern int TIFFInitCCITTFax3(TIFF*, int), TIFFInitCCITTFax4(TIFF*, int);
#endif
#ifdef THUNDER_SUPPORT
extern int TIFFInitThunderScan(TIFF*, int);
#endif
#ifdef NEXT_SUPPORT
extern int TIFFInitNeXT(TIFF*, int);
#endif
#ifdef LZW_SUPPORT
extern int TIFFInitLZW(TIFF*, int);
#endif
#ifdef OJPEG_SUPPORT
extern int TIFFInitOJPEG(TIFF*, int);
#endif
#ifdef JPEG_SUPPORT
extern int TIFFInitJPEG(TIFF*, int);
#endif
#ifdef JBIG_SUPPORT
extern int TIFFInitJBIG(TIFF*, int);
#endif
#ifdef ZIP_SUPPORT
extern int TIFFInitZIP(TIFF*, int);
#endif
#ifdef PIXARLOG_SUPPORT
extern int TIFFInitPixarLog(TIFF*, int);
#endif
#ifdef LOGLUV_SUPPORT
extern int TIFFInitSGILog(TIFF*, int);
#endif
#ifdef VMS
extern const TIFFCodec _TIFFBuiltinCODECS[];
#else
extern TIFFCodec _TIFFBuiltinCODECS[];
#endif
#if defined(__cplusplus)
}
#endif
#endif /* _TIFFIOP_ */
/* vim: set ts=8 sts=8 sw=8 noet: */
|
