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1 | /* $Header$ */ | |
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 _TIFFIO_ | |
28 | #define _TIFFIO_ | |
29 | ||
30 | /* | |
31 | * TIFF I/O Library Definitions. | |
32 | */ | |
33 | #include "tiff.h" | |
34 | ||
35 | /* | |
36 | * This define can be used in code that requires | |
37 | * compilation-related definitions specific to a | |
38 | * version or versions of the library. Runtime | |
39 | * version checking should be done based on the | |
40 | * string returned by TIFFGetVersion. | |
41 | */ | |
42 | #define TIFFLIB_VERSION 19970127 /* January 27, 1997 */ | |
43 | ||
44 | /* | |
45 | * TIFF is defined as an incomplete type to hide the | |
46 | * library's internal data structures from clients. | |
47 | */ | |
48 | typedef struct tiff TIFF; | |
49 | ||
50 | /* | |
51 | * The following typedefs define the intrinsic size of | |
52 | * data types used in the *exported* interfaces. These | |
53 | * definitions depend on the proper definition of types | |
54 | * in tiff.h. Note also that the varargs interface used | |
55 | * to pass tag types and values uses the types defined in | |
56 | * tiff.h directly. | |
57 | * | |
58 | * NB: ttag_t is unsigned int and not unsigned short because | |
59 | * ANSI C requires that the type before the ellipsis be a | |
60 | * promoted type (i.e. one of int, unsigned int, pointer, | |
61 | * or double) and because we defined pseudo-tags that are | |
62 | * outside the range of legal Aldus-assigned tags. | |
63 | * NB: tsize_t is int32 and not uint32 because some functions | |
64 | * return -1. | |
65 | * NB: toff_t is not off_t for many reasons; TIFFs max out at | |
66 | * 32-bit file offsets being the most important | |
67 | */ | |
68 | typedef uint32 ttag_t; /* directory tag */ | |
69 | typedef uint16 tdir_t; /* directory index */ | |
70 | typedef uint16 tsample_t; /* sample number */ | |
71 | typedef uint32 tstrip_t; /* strip number */ | |
72 | typedef uint32 ttile_t; /* tile number */ | |
73 | typedef int32 tsize_t; /* i/o size in bytes */ | |
74 | typedef void* tdata_t; /* image data ref */ | |
75 | typedef int32 toff_t; /* file offset */ | |
76 | ||
77 | #if !defined(__WIN32__) && (defined(_WIN32) || defined(WIN32)) | |
78 | #define __WIN32__ | |
79 | #endif | |
80 | #if defined(_WINDOWS) || defined(__WIN32__) || defined(_Windows) | |
81 | #include <windows.h> | |
82 | #ifdef __WIN32__ | |
83 | DECLARE_HANDLE(thandle_t); /* Win32 file handle */ | |
84 | #else | |
85 | typedef HFILE thandle_t; /* client data handle */ | |
86 | #endif | |
87 | #else | |
88 | typedef void* thandle_t; /* client data handle */ | |
89 | #endif | |
90 | ||
91 | #if defined(__VISAGECPP__) | |
92 | #define LINKAGEMODE _Optlink | |
93 | #else | |
94 | #define LINKAGEMODE | |
95 | #endif | |
96 | ||
97 | #ifndef NULL | |
98 | #define NULL 0 | |
99 | #endif | |
100 | ||
101 | /* | |
102 | * Flags to pass to TIFFPrintDirectory to control | |
103 | * printing of data structures that are potentially | |
104 | * very large. Bit-or these flags to enable printing | |
105 | * multiple items. | |
106 | */ | |
107 | #define TIFFPRINT_NONE 0x0 /* no extra info */ | |
108 | #define TIFFPRINT_STRIPS 0x1 /* strips/tiles info */ | |
109 | #define TIFFPRINT_CURVES 0x2 /* color/gray response curves */ | |
110 | #define TIFFPRINT_COLORMAP 0x4 /* colormap */ | |
111 | #define TIFFPRINT_JPEGQTABLES 0x100 /* JPEG Q matrices */ | |
112 | #define TIFFPRINT_JPEGACTABLES 0x200 /* JPEG AC tables */ | |
113 | #define TIFFPRINT_JPEGDCTABLES 0x200 /* JPEG DC tables */ | |
114 | ||
115 | /* | |
116 | * RGBA-style image support. | |
117 | */ | |
118 | typedef unsigned char TIFFRGBValue; /* 8-bit samples */ | |
119 | typedef struct _TIFFRGBAImage TIFFRGBAImage; | |
120 | /* | |
121 | * The image reading and conversion routines invoke | |
122 | * ``put routines'' to copy/image/whatever tiles of | |
123 | * raw image data. A default set of routines are | |
124 | * provided to convert/copy raw image data to 8-bit | |
125 | * packed ABGR format rasters. Applications can supply | |
126 | * alternate routines that unpack the data into a | |
127 | * different format or, for example, unpack the data | |
128 | * and draw the unpacked raster on the display. | |
129 | */ | |
130 | typedef void (LINKAGEMODE *tileContigRoutine) | |
131 | (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32, | |
132 | unsigned char*); | |
133 | typedef void (LINKAGEMODE *tileSeparateRoutine) | |
134 | (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32, | |
135 | unsigned char*, unsigned char*, unsigned char*, unsigned char*); | |
136 | /* | |
137 | * RGBA-reader state. | |
138 | */ | |
139 | typedef struct { /* YCbCr->RGB support */ | |
140 | TIFFRGBValue* clamptab; /* range clamping table */ | |
141 | int* Cr_r_tab; | |
142 | int* Cb_b_tab; | |
143 | int32* Cr_g_tab; | |
144 | int32* Cb_g_tab; | |
145 | float coeffs[3]; /* cached for repeated use */ | |
146 | } TIFFYCbCrToRGB; | |
147 | ||
148 | struct _TIFFRGBAImage { | |
149 | TIFF* tif; /* image handle */ | |
150 | int stoponerr; /* stop on read error */ | |
151 | int isContig; /* data is packed/separate */ | |
152 | int alpha; /* type of alpha data present */ | |
153 | uint32 width; /* image width */ | |
154 | uint32 height; /* image height */ | |
155 | uint16 bitspersample; /* image bits/sample */ | |
156 | uint16 samplesperpixel; /* image samples/pixel */ | |
157 | uint16 orientation; /* image orientation */ | |
158 | uint16 photometric; /* image photometric interp */ | |
159 | uint16* redcmap; /* colormap pallete */ | |
160 | uint16* greencmap; | |
161 | uint16* bluecmap; | |
162 | /* get image data routine */ | |
163 | int (LINKAGEMODE *get)(TIFFRGBAImage*, uint32*, uint32, uint32); | |
164 | union { | |
165 | void (*any)(TIFFRGBAImage*); | |
166 | tileContigRoutine contig; | |
167 | tileSeparateRoutine separate; | |
168 | } put; /* put decoded strip/tile */ | |
169 | TIFFRGBValue* Map; /* sample mapping array */ | |
170 | uint32** BWmap; /* black&white map */ | |
171 | uint32** PALmap; /* palette image map */ | |
172 | TIFFYCbCrToRGB* ycbcr; /* YCbCr conversion state */ | |
173 | ||
174 | int row_offset; | |
175 | int col_offset; | |
176 | }; | |
177 | ||
178 | /* | |
179 | * Macros for extracting components from the | |
180 | * packed ABGR form returned by TIFFReadRGBAImage. | |
181 | */ | |
182 | #define TIFFGetR(abgr) ((abgr) & 0xff) | |
183 | #define TIFFGetG(abgr) (((abgr) >> 8) & 0xff) | |
184 | #define TIFFGetB(abgr) (((abgr) >> 16) & 0xff) | |
185 | #define TIFFGetA(abgr) (((abgr) >> 24) & 0xff) | |
186 | ||
187 | /* | |
188 | * A CODEC is a software package that implements decoding, | |
189 | * encoding, or decoding+encoding of a compression algorithm. | |
190 | * The library provides a collection of builtin codecs. | |
191 | * More codecs may be registered through calls to the library | |
192 | * and/or the builtin implementations may be overridden. | |
193 | */ | |
194 | typedef int (LINKAGEMODE *TIFFInitMethod)(TIFF*, int); | |
195 | typedef struct { | |
196 | char* name; | |
197 | uint16 scheme; | |
198 | TIFFInitMethod init; | |
199 | } TIFFCodec; | |
200 | ||
201 | #include <stdio.h> | |
202 | #include <stdarg.h> | |
203 | ||
204 | #if defined(__cplusplus) | |
205 | extern "C" { | |
206 | #endif | |
207 | typedef void (LINKAGEMODE *TIFFErrorHandler)(const char*, const char*, va_list); | |
208 | typedef tsize_t (LINKAGEMODE *TIFFReadWriteProc)(thandle_t, tdata_t, tsize_t); | |
209 | typedef toff_t (LINKAGEMODE *TIFFSeekProc)(thandle_t, toff_t, int); | |
210 | typedef int (LINKAGEMODE *TIFFCloseProc)(thandle_t); | |
211 | typedef toff_t (LINKAGEMODE *TIFFSizeProc)(thandle_t); | |
212 | typedef int (LINKAGEMODE *TIFFMapFileProc)(thandle_t, tdata_t*, toff_t*); | |
213 | typedef void (LINKAGEMODE *TIFFUnmapFileProc)(thandle_t, tdata_t, toff_t); | |
214 | typedef void (LINKAGEMODE *TIFFExtendProc)(TIFF*); | |
215 | ||
216 | extern const char* TIFFGetVersion(void); | |
217 | ||
218 | extern const TIFFCodec* TIFFFindCODEC(uint16); | |
219 | extern TIFFCodec* TIFFRegisterCODEC(uint16, const char*, TIFFInitMethod); | |
220 | extern void TIFFUnRegisterCODEC(TIFFCodec*); | |
221 | ||
222 | extern tdata_t _TIFFmalloc(tsize_t); | |
223 | extern tdata_t _TIFFrealloc(tdata_t, tsize_t); | |
224 | extern void _TIFFmemset(tdata_t, int, tsize_t); | |
225 | extern void _TIFFmemcpy(tdata_t, const tdata_t, tsize_t); | |
226 | extern int _TIFFmemcmp(const tdata_t, const tdata_t, tsize_t); | |
227 | extern void _TIFFfree(tdata_t); | |
228 | ||
229 | extern void TIFFClose(TIFF*); | |
230 | extern int TIFFFlush(TIFF*); | |
231 | extern int TIFFFlushData(TIFF*); | |
232 | extern int TIFFGetField(TIFF*, ttag_t, ...); | |
233 | extern int TIFFVGetField(TIFF*, ttag_t, va_list); | |
234 | extern int TIFFGetFieldDefaulted(TIFF*, ttag_t, ...); | |
235 | extern int TIFFVGetFieldDefaulted(TIFF*, ttag_t, va_list); | |
236 | extern int TIFFReadDirectory(TIFF*); | |
237 | extern tsize_t TIFFScanlineSize(TIFF*); | |
238 | extern tsize_t TIFFRasterScanlineSize(TIFF*); | |
239 | extern tsize_t TIFFStripSize(TIFF*); | |
240 | extern tsize_t TIFFVStripSize(TIFF*, uint32); | |
241 | extern tsize_t TIFFTileRowSize(TIFF*); | |
242 | extern tsize_t TIFFTileSize(TIFF*); | |
243 | extern tsize_t TIFFVTileSize(TIFF*, uint32); | |
244 | extern uint32 TIFFDefaultStripSize(TIFF*, uint32); | |
245 | extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*); | |
246 | extern int TIFFFileno(TIFF*); | |
247 | extern int TIFFGetMode(TIFF*); | |
248 | extern int TIFFIsTiled(TIFF*); | |
249 | extern int TIFFIsByteSwapped(TIFF*); | |
250 | extern int TIFFIsUpSampled(TIFF*); | |
251 | extern int TIFFIsMSB2LSB(TIFF*); | |
252 | extern uint32 TIFFCurrentRow(TIFF*); | |
253 | extern tdir_t TIFFCurrentDirectory(TIFF*); | |
254 | extern tdir_t TIFFNumberOfDirectories(TIFF*); | |
255 | extern uint32 TIFFCurrentDirOffset(TIFF*); | |
256 | extern tstrip_t TIFFCurrentStrip(TIFF*); | |
257 | extern ttile_t TIFFCurrentTile(TIFF*); | |
258 | extern int TIFFReadBufferSetup(TIFF*, tdata_t, tsize_t); | |
259 | extern int TIFFWriteBufferSetup(TIFF*, tdata_t, tsize_t); | |
260 | extern int TIFFLastDirectory(TIFF*); | |
261 | extern int TIFFSetDirectory(TIFF*, tdir_t); | |
262 | extern int TIFFSetSubDirectory(TIFF*, uint32); | |
263 | extern int TIFFUnlinkDirectory(TIFF*, tdir_t); | |
264 | extern int TIFFSetField(TIFF*, ttag_t, ...); | |
265 | extern int TIFFVSetField(TIFF*, ttag_t, va_list); | |
266 | extern int TIFFWriteDirectory(TIFF *); | |
267 | extern int TIFFReassignTagToIgnore(enum TIFFIgnoreSense, int); | |
268 | ||
269 | #if defined(c_plusplus) || defined(__cplusplus) | |
270 | extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0); | |
271 | extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t = 0); | |
272 | extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t = 0); | |
273 | extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0); | |
274 | #else | |
275 | extern void TIFFPrintDirectory(TIFF*, FILE*, long); | |
276 | extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t); | |
277 | extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t); | |
278 | extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int); | |
279 | #endif | |
280 | ||
281 | extern int TIFFReadRGBAStrip(TIFF*, tstrip_t, uint32 * ); | |
282 | extern int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * ); | |
283 | extern int TIFFRGBAImageOK(TIFF*, char [1024]); | |
284 | extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]); | |
285 | extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32); | |
286 | extern void TIFFRGBAImageEnd(TIFFRGBAImage*); | |
287 | extern TIFF* TIFFOpen(const char*, const char*); | |
288 | extern TIFF* TIFFFdOpen(int, const char*, const char*); | |
289 | extern TIFF* TIFFClientOpen(const char*, const char*, | |
290 | thandle_t, | |
291 | TIFFReadWriteProc, TIFFReadWriteProc, | |
292 | TIFFSeekProc, TIFFCloseProc, | |
293 | TIFFSizeProc, | |
294 | TIFFMapFileProc, TIFFUnmapFileProc); | |
295 | extern const char* TIFFFileName(TIFF*); | |
296 | extern void TIFFError(const char*, const char*, ...); | |
297 | extern void TIFFWarning(const char*, const char*, ...); | |
298 | extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler); | |
299 | extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler); | |
300 | extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc); | |
301 | extern ttile_t TIFFComputeTile(TIFF*, uint32, uint32, uint32, tsample_t); | |
302 | extern int TIFFCheckTile(TIFF*, uint32, uint32, uint32, tsample_t); | |
303 | extern ttile_t TIFFNumberOfTiles(TIFF*); | |
304 | extern tsize_t TIFFReadTile(TIFF*, | |
305 | tdata_t, uint32, uint32, uint32, tsample_t); | |
306 | extern tsize_t TIFFWriteTile(TIFF*, | |
307 | tdata_t, uint32, uint32, uint32, tsample_t); | |
308 | extern tstrip_t TIFFComputeStrip(TIFF*, uint32, tsample_t); | |
309 | extern tstrip_t TIFFNumberOfStrips(TIFF*); | |
310 | extern tsize_t TIFFReadEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t); | |
311 | extern tsize_t TIFFReadRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t); | |
312 | extern tsize_t TIFFReadEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t); | |
313 | extern tsize_t TIFFReadRawTile(TIFF*, ttile_t, tdata_t, tsize_t); | |
314 | extern tsize_t TIFFWriteEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t); | |
315 | extern tsize_t TIFFWriteRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t); | |
316 | extern tsize_t TIFFWriteEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t); | |
317 | extern tsize_t TIFFWriteRawTile(TIFF*, ttile_t, tdata_t, tsize_t); | |
318 | extern void TIFFSetWriteOffset(TIFF*, toff_t); | |
319 | extern void TIFFSwabShort(uint16*); | |
320 | extern void TIFFSwabLong(uint32*); | |
321 | extern void TIFFSwabDouble(double*); | |
322 | extern void TIFFSwabArrayOfShort(uint16*, unsigned long); | |
323 | extern void TIFFSwabArrayOfLong(uint32*, unsigned long); | |
324 | extern void TIFFSwabArrayOfDouble(double*, unsigned long); | |
325 | extern void TIFFReverseBits(unsigned char *, unsigned long); | |
326 | extern const unsigned char* TIFFGetBitRevTable(int); | |
327 | #if defined(__cplusplus) | |
328 | } | |
329 | #endif | |
330 | #endif /* _TIFFIO_ */ |