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source: liacs/MIR2010/SourceCode/cximage/tiff/tiffiop.h@ 422

Last change on this file since 422 was 95, checked in by Rick van der Zwet, 15 years ago

Bad boy, improper move of directory

File size: 12.2 KB
RevLine 
1/* $Id: tiffiop.h,v 1.46 2006/03/16 12:22:27 dron Exp $ */
2
3/*
4 * Copyright (c) 1988-1997 Sam Leffler
5 * Copyright (c) 1991-1997 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 _TIFFIOP_
28#define _TIFFIOP_
29/*
30 * ``Library-private'' definitions.
31 */
32
33#include "tif_config.h"
34
35#ifdef HAVE_FCNTL_H
36# include <fcntl.h>
37#endif
38
39#ifdef HAVE_SYS_TYPES_H
40# include <sys/types.h>
41#endif
42
43#ifdef HAVE_STRING_H
44# include <string.h>
45#endif
46
47#ifdef HAVE_ASSERT_H
48# include <assert.h>
49#else
50# define assert(x)
51#endif
52
53#ifdef HAVE_SEARCH_H
54# include <search.h>
55#else
56extern void *lfind(const void *, const void *, size_t *, size_t,
57 int (*)(const void *, const void *));
58#endif
59
60#include "tiffio.h"
61#include "tif_dir.h"
62
63#ifndef STRIP_SIZE_DEFAULT
64# define STRIP_SIZE_DEFAULT 8192
65#endif
66
67#define streq(a,b) (strcmp(a,b) == 0)
68
69#ifndef TRUE
70#define TRUE 1
71#define FALSE 0
72#endif
73
74typedef struct client_info {
75 struct client_info *next;
76 void *data;
77 char *name;
78} TIFFClientInfoLink;
79
80/*
81 * Typedefs for ``method pointers'' used internally.
82 */
83typedef unsigned char tidataval_t; /* internal image data value type */
84typedef tidataval_t* tidata_t; /* reference to internal image data */
85
86typedef void (*TIFFVoidMethod)(TIFF*);
87typedef int (*TIFFBoolMethod)(TIFF*);
88typedef int (*TIFFPreMethod)(TIFF*, tsample_t);
89typedef int (*TIFFCodeMethod)(TIFF*, tidata_t, tsize_t, tsample_t);
90typedef int (*TIFFSeekMethod)(TIFF*, uint32);
91typedef void (*TIFFPostMethod)(TIFF*, tidata_t, tsize_t);
92typedef uint32 (*TIFFStripMethod)(TIFF*, uint32);
93typedef void (*TIFFTileMethod)(TIFF*, uint32*, uint32*);
94
95struct tiff {
96 char* tif_name; /* name of open file */
97 int tif_fd; /* open file descriptor */
98 int tif_mode; /* open mode (O_*) */
99 uint32 tif_flags;
100#define TIFF_FILLORDER 0x0003 /* natural bit fill order for machine */
101#define TIFF_DIRTYHEADER 0x0004 /* header must be written on close */
102#define TIFF_DIRTYDIRECT 0x0008 /* current directory must be written */
103#define TIFF_BUFFERSETUP 0x0010 /* data buffers setup */
104#define TIFF_CODERSETUP 0x0020 /* encoder/decoder setup done */
105#define TIFF_BEENWRITING 0x0040 /* written 1+ scanlines to file */
106#define TIFF_SWAB 0x0080 /* byte swap file information */
107#define TIFF_NOBITREV 0x0100 /* inhibit bit reversal logic */
108#define TIFF_MYBUFFER 0x0200 /* my raw data buffer; free on close */
109#define TIFF_ISTILED 0x0400 /* file is tile, not strip- based */
110#define TIFF_MAPPED 0x0800 /* file is mapped into memory */
111#define TIFF_POSTENCODE 0x1000 /* need call to postencode routine */
112#define TIFF_INSUBIFD 0x2000 /* currently writing a subifd */
113#define TIFF_UPSAMPLED 0x4000 /* library is doing data up-sampling */
114#define TIFF_STRIPCHOP 0x8000 /* enable strip chopping support */
115#define TIFF_HEADERONLY 0x10000 /* read header only, do not process */
116 /* the first directory */
117 toff_t tif_diroff; /* file offset of current directory */
118 toff_t tif_nextdiroff; /* file offset of following directory */
119 toff_t* tif_dirlist; /* list of offsets to already seen */
120 /* directories to prevent IFD looping */
121 uint16 tif_dirnumber; /* number of already seen directories */
122 TIFFDirectory tif_dir; /* internal rep of current directory */
123 TIFFHeader tif_header; /* file's header block */
124 const int* tif_typeshift; /* data type shift counts */
125 const long* tif_typemask; /* data type masks */
126 uint32 tif_row; /* current scanline */
127 tdir_t tif_curdir; /* current directory (index) */
128 tstrip_t tif_curstrip; /* current strip for read/write */
129 toff_t tif_curoff; /* current offset for read/write */
130 toff_t tif_dataoff; /* current offset for writing dir */
131/* SubIFD support */
132 uint16 tif_nsubifd; /* remaining subifds to write */
133 toff_t tif_subifdoff; /* offset for patching SubIFD link */
134/* tiling support */
135 uint32 tif_col; /* current column (offset by row too) */
136 ttile_t tif_curtile; /* current tile for read/write */
137 tsize_t tif_tilesize; /* # of bytes in a tile */
138/* compression scheme hooks */
139 int tif_decodestatus;
140 TIFFBoolMethod tif_setupdecode;/* called once before predecode */
141 TIFFPreMethod tif_predecode; /* pre- row/strip/tile decoding */
142 TIFFBoolMethod tif_setupencode;/* called once before preencode */
143 int tif_encodestatus;
144 TIFFPreMethod tif_preencode; /* pre- row/strip/tile encoding */
145 TIFFBoolMethod tif_postencode; /* post- row/strip/tile encoding */
146 TIFFCodeMethod tif_decoderow; /* scanline decoding routine */
147 TIFFCodeMethod tif_encoderow; /* scanline encoding routine */
148 TIFFCodeMethod tif_decodestrip;/* strip decoding routine */
149 TIFFCodeMethod tif_encodestrip;/* strip encoding routine */
150 TIFFCodeMethod tif_decodetile; /* tile decoding routine */
151 TIFFCodeMethod tif_encodetile; /* tile encoding routine */
152 TIFFVoidMethod tif_close; /* cleanup-on-close routine */
153 TIFFSeekMethod tif_seek; /* position within a strip routine */
154 TIFFVoidMethod tif_cleanup; /* cleanup state routine */
155 TIFFStripMethod tif_defstripsize;/* calculate/constrain strip size */
156 TIFFTileMethod tif_deftilesize;/* calculate/constrain tile size */
157 tidata_t tif_data; /* compression scheme private data */
158/* input/output buffering */
159 tsize_t tif_scanlinesize;/* # of bytes in a scanline */
160 tsize_t tif_scanlineskew;/* scanline skew for reading strips */
161 tidata_t tif_rawdata; /* raw data buffer */
162 tsize_t tif_rawdatasize;/* # of bytes in raw data buffer */
163 tidata_t tif_rawcp; /* current spot in raw buffer */
164 tsize_t tif_rawcc; /* bytes unread from raw buffer */
165/* memory-mapped file support */
166 tidata_t tif_base; /* base of mapped file */
167 toff_t tif_size; /* size of mapped file region (bytes) */
168 TIFFMapFileProc tif_mapproc; /* map file method */
169 TIFFUnmapFileProc tif_unmapproc;/* unmap file method */
170/* input/output callback methods */
171 thandle_t tif_clientdata; /* callback parameter */
172 TIFFReadWriteProc tif_readproc; /* read method */
173 TIFFReadWriteProc tif_writeproc;/* write method */
174 TIFFSeekProc tif_seekproc; /* lseek method */
175 TIFFCloseProc tif_closeproc; /* close method */
176 TIFFSizeProc tif_sizeproc; /* filesize method */
177/* post-decoding support */
178 TIFFPostMethod tif_postdecode; /* post decoding routine */
179/* tag support */
180 TIFFFieldInfo** tif_fieldinfo; /* sorted table of registered tags */
181 size_t tif_nfields; /* # entries in registered tag table */
182 const TIFFFieldInfo *tif_foundfield;/* cached pointer to already found tag */
183 TIFFTagMethods tif_tagmethods; /* tag get/set/print routines */
184 TIFFClientInfoLink *tif_clientinfo; /* extra client information. */
185};
186
187#define isPseudoTag(t) (t > 0xffff) /* is tag value normal or pseudo */
188
189#define isTiled(tif) (((tif)->tif_flags & TIFF_ISTILED) != 0)
190#define isMapped(tif) (((tif)->tif_flags & TIFF_MAPPED) != 0)
191#define isFillOrder(tif, o) (((tif)->tif_flags & (o)) != 0)
192#define isUpSampled(tif) (((tif)->tif_flags & TIFF_UPSAMPLED) != 0)
193#define TIFFReadFile(tif, buf, size) \
194 ((*(tif)->tif_readproc)((tif)->tif_clientdata,buf,size))
195#define TIFFWriteFile(tif, buf, size) \
196 ((*(tif)->tif_writeproc)((tif)->tif_clientdata,buf,size))
197#define TIFFSeekFile(tif, off, whence) \
198 ((*(tif)->tif_seekproc)((tif)->tif_clientdata,(toff_t)(off),whence))
199#define TIFFCloseFile(tif) \
200 ((*(tif)->tif_closeproc)((tif)->tif_clientdata))
201#define TIFFGetFileSize(tif) \
202 ((*(tif)->tif_sizeproc)((tif)->tif_clientdata))
203#define TIFFMapFileContents(tif, paddr, psize) \
204 ((*(tif)->tif_mapproc)((tif)->tif_clientdata,paddr,psize))
205#define TIFFUnmapFileContents(tif, addr, size) \
206 ((*(tif)->tif_unmapproc)((tif)->tif_clientdata,addr,size))
207
208/*
209 * Default Read/Seek/Write definitions.
210 */
211#ifndef ReadOK
212#define ReadOK(tif, buf, size) \
213 (TIFFReadFile(tif, (tdata_t) buf, (tsize_t)(size)) == (tsize_t)(size))
214#endif
215#ifndef SeekOK
216#define SeekOK(tif, off) \
217 (TIFFSeekFile(tif, (toff_t) off, SEEK_SET) == (toff_t) off)
218#endif
219#ifndef WriteOK
220#define WriteOK(tif, buf, size) \
221 (TIFFWriteFile(tif, (tdata_t) buf, (tsize_t) size) == (tsize_t) size)
222#endif
223
224/* NB: the uint32 casts are to silence certain ANSI-C compilers */
225#define TIFFhowmany(x, y) ((((uint32)(x))+(((uint32)(y))-1))/((uint32)(y)))
226#define TIFFhowmany8(x) (((x)&0x07)?((uint32)(x)>>3)+1:(uint32)(x)>>3)
227#define TIFFroundup(x, y) (TIFFhowmany(x,y)*(y))
228
229#define TIFFmax(A,B) ((A)>(B)?(A):(B))
230#define TIFFmin(A,B) ((A)<(B)?(A):(B))
231
232#define TIFFArrayCount(a) (sizeof (a) / sizeof ((a)[0]))
233
234#if defined(__cplusplus)
235extern "C" {
236#endif
237extern int _TIFFgetMode(const char*, const char*);
238extern int _TIFFNoRowEncode(TIFF*, tidata_t, tsize_t, tsample_t);
239extern int _TIFFNoStripEncode(TIFF*, tidata_t, tsize_t, tsample_t);
240extern int _TIFFNoTileEncode(TIFF*, tidata_t, tsize_t, tsample_t);
241extern int _TIFFNoRowDecode(TIFF*, tidata_t, tsize_t, tsample_t);
242extern int _TIFFNoStripDecode(TIFF*, tidata_t, tsize_t, tsample_t);
243extern int _TIFFNoTileDecode(TIFF*, tidata_t, tsize_t, tsample_t);
244extern void _TIFFNoPostDecode(TIFF*, tidata_t, tsize_t);
245extern int _TIFFNoPreCode (TIFF*, tsample_t);
246extern int _TIFFNoSeek(TIFF*, uint32);
247extern void _TIFFSwab16BitData(TIFF*, tidata_t, tsize_t);
248extern void _TIFFSwab24BitData(TIFF*, tidata_t, tsize_t);
249extern void _TIFFSwab32BitData(TIFF*, tidata_t, tsize_t);
250extern void _TIFFSwab64BitData(TIFF*, tidata_t, tsize_t);
251extern int TIFFFlushData1(TIFF*);
252extern int TIFFDefaultDirectory(TIFF*);
253extern void _TIFFSetDefaultCompressionState(TIFF*);
254extern int TIFFSetCompressionScheme(TIFF*, int);
255extern int TIFFSetDefaultCompressionState(TIFF*);
256extern uint32 _TIFFDefaultStripSize(TIFF*, uint32);
257extern void _TIFFDefaultTileSize(TIFF*, uint32*, uint32*);
258extern int _TIFFDataSize(TIFFDataType);
259
260extern void _TIFFsetByteArray(void**, void*, uint32);
261extern void _TIFFsetString(char**, char*);
262extern void _TIFFsetShortArray(uint16**, uint16*, uint32);
263extern void _TIFFsetLongArray(uint32**, uint32*, uint32);
264extern void _TIFFsetFloatArray(float**, float*, uint32);
265extern void _TIFFsetDoubleArray(double**, double*, uint32);
266
267extern void _TIFFprintAscii(FILE*, const char*);
268extern void _TIFFprintAsciiTag(FILE*, const char*, const char*);
269
270extern TIFFErrorHandler _TIFFwarningHandler;
271extern TIFFErrorHandler _TIFFerrorHandler;
272extern TIFFErrorHandlerExt _TIFFwarningHandlerExt;
273extern TIFFErrorHandlerExt _TIFFerrorHandlerExt;
274
275extern tdata_t _TIFFCheckMalloc(TIFF*, size_t, size_t, const char*);
276
277extern int TIFFInitDumpMode(TIFF*, int);
278#ifdef PACKBITS_SUPPORT
279extern int TIFFInitPackBits(TIFF*, int);
280#endif
281#ifdef CCITT_SUPPORT
282extern int TIFFInitCCITTRLE(TIFF*, int), TIFFInitCCITTRLEW(TIFF*, int);
283extern int TIFFInitCCITTFax3(TIFF*, int), TIFFInitCCITTFax4(TIFF*, int);
284#endif
285#ifdef THUNDER_SUPPORT
286extern int TIFFInitThunderScan(TIFF*, int);
287#endif
288#ifdef NEXT_SUPPORT
289extern int TIFFInitNeXT(TIFF*, int);
290#endif
291#ifdef LZW_SUPPORT
292extern int TIFFInitLZW(TIFF*, int);
293#endif
294#ifdef OJPEG_SUPPORT
295extern int TIFFInitOJPEG(TIFF*, int);
296#endif
297#ifdef JPEG_SUPPORT
298extern int TIFFInitJPEG(TIFF*, int);
299#endif
300#ifdef JBIG_SUPPORT
301extern int TIFFInitJBIG(TIFF*, int);
302#endif
303#ifdef ZIP_SUPPORT
304extern int TIFFInitZIP(TIFF*, int);
305#endif
306#ifdef PIXARLOG_SUPPORT
307extern int TIFFInitPixarLog(TIFF*, int);
308#endif
309#ifdef LOGLUV_SUPPORT
310extern int TIFFInitSGILog(TIFF*, int);
311#endif
312#ifdef VMS
313extern const TIFFCodec _TIFFBuiltinCODECS[];
314#else
315extern TIFFCodec _TIFFBuiltinCODECS[];
316#endif
317
318#if defined(__cplusplus)
319}
320#endif
321#endif /* _TIFFIOP_ */
322
323/* vim: set ts=8 sts=8 sw=8 noet: */
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