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root/radiance/ray/src/common/tiffio.h
Revision: 3.16
Committed: Thu May 1 16:42:06 2008 UTC (15 years, 11 months ago) by greg
Content type: text/plain
Branch: MAIN
CVS Tags: rad4R2P2, rad5R0, rad5R1, rad4R2, rad4R1, rad4R0, rad4R2P1
Changes since 3.15: +1 -1 lines
Log Message:
Math library and warning fixes for Solaris

File Contents

# Content
1 /* $Id: tiffio.h,v 1.43 2005/04/13 14:06:21 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 _TIFFIO_
28 #define _TIFFIO_
29
30 /*
31 * TIFF I/O Library Definitions.
32 */
33 #include "tiff.h"
34 #include "tiffvers.h"
35
36 /*
37 * TIFF is defined as an incomplete type to hide the
38 * library's internal data structures from clients.
39 */
40 typedef struct tiff TIFF;
41
42 /*
43 * The following typedefs define the intrinsic size of
44 * data types used in the *exported* interfaces. These
45 * definitions depend on the proper definition of types
46 * in tiff.h. Note also that the varargs interface used
47 * to pass tag types and values uses the types defined in
48 * tiff.h directly.
49 *
50 * NB: ttag_t is unsigned int and not unsigned short because
51 * ANSI C requires that the type before the ellipsis be a
52 * promoted type (i.e. one of int, unsigned int, pointer,
53 * or double) and because we defined pseudo-tags that are
54 * outside the range of legal Aldus-assigned tags.
55 * NB: tsize_t is int32 and not uint32 because some functions
56 * return -1.
57 * NB: toff_t is not off_t for many reasons; TIFFs max out at
58 * 32-bit file offsets being the most important, and to ensure
59 * that it is unsigned, rather than signed.
60 */
61 typedef uint32 ttag_t; /* directory tag */
62 typedef uint16 tdir_t; /* directory index */
63 typedef uint16 tsample_t; /* sample number */
64 typedef uint32 tstrip_t; /* strip number */
65 typedef uint32 ttile_t; /* tile number */
66 typedef int32 tsize_t; /* i/o size in bytes */
67 typedef void* tdata_t; /* image data ref */
68 typedef uint32 toff_t; /* file offset */
69
70 #if !defined(__WIN32__) && (defined(_WIN32) || defined(WIN32))
71 #define __WIN32__
72 #endif
73
74 /*
75 * On windows you should define USE_WIN32_FILEIO if you are using tif_win32.c
76 * or AVOID_WIN32_FILEIO if you are using something else (like tif_unix.c).
77 *
78 * By default tif_win32.c is assumed on windows if not using the cygwin
79 * environment.
80 */
81
82 #if defined(_WINDOWS) || defined(__WIN32__) || defined(_Windows)
83 # if !defined(__CYGWIN) && !defined(AVOID_WIN32_FILEIO) && !defined(USE_WIN32_FILIO)
84 # define USE_WIN32_FILEIO
85 # endif
86 #endif
87
88 #if defined(USE_WIN32_FILEIO)
89 # include <windows.h>
90 # ifdef __WIN32__
91 DECLARE_HANDLE(thandle_t); /* Win32 file handle */
92 # else
93 typedef HFILE thandle_t; /* client data handle */
94 # endif /* __WIN32__ */
95 #else
96 typedef void* thandle_t; /* client data handle */
97 #endif /* USE_WIN32_FILEIO */
98
99 #ifndef NULL
100 # define NULL (void *)0
101 #endif
102
103 /*
104 * Flags to pass to TIFFPrintDirectory to control
105 * printing of data structures that are potentially
106 * very large. Bit-or these flags to enable printing
107 * multiple items.
108 */
109 #define TIFFPRINT_NONE 0x0 /* no extra info */
110 #define TIFFPRINT_STRIPS 0x1 /* strips/tiles info */
111 #define TIFFPRINT_CURVES 0x2 /* color/gray response curves */
112 #define TIFFPRINT_COLORMAP 0x4 /* colormap */
113 #define TIFFPRINT_JPEGQTABLES 0x100 /* JPEG Q matrices */
114 #define TIFFPRINT_JPEGACTABLES 0x200 /* JPEG AC tables */
115 #define TIFFPRINT_JPEGDCTABLES 0x200 /* JPEG DC tables */
116
117 /*
118 * Colour conversion stuff
119 */
120
121 /* reference white */
122 #define D65_X0 (95.0470F)
123 #define D65_Y0 (100.0F)
124 #define D65_Z0 (108.8827F)
125
126 #define D50_X0 (96.4250F)
127 #define D50_Y0 (100.0F)
128 #define D50_Z0 (82.4680F)
129
130 /* Structure for holding information about a display device. */
131
132 typedef unsigned char TIFFRGBValue; /* 8-bit samples */
133
134 typedef struct {
135 float d_mat[3][3]; /* XYZ -> luminance matrix */
136 float d_YCR; /* Light o/p for reference white */
137 float d_YCG;
138 float d_YCB;
139 uint32 d_Vrwr; /* Pixel values for ref. white */
140 uint32 d_Vrwg;
141 uint32 d_Vrwb;
142 float d_Y0R; /* Residual light for black pixel */
143 float d_Y0G;
144 float d_Y0B;
145 float d_gammaR; /* Gamma values for the three guns */
146 float d_gammaG;
147 float d_gammaB;
148 } TIFFDisplay;
149
150 typedef struct { /* YCbCr->RGB support */
151 TIFFRGBValue* clamptab; /* range clamping table */
152 int* Cr_r_tab;
153 int* Cb_b_tab;
154 int32* Cr_g_tab;
155 int32* Cb_g_tab;
156 int32* Y_tab;
157 } TIFFYCbCrToRGB;
158
159 typedef struct { /* CIE Lab 1976->RGB support */
160 int range; /* Size of conversion table */
161 #define CIELABTORGB_TABLE_RANGE 1500
162 float rstep, gstep, bstep;
163 float X0, Y0, Z0; /* Reference white point */
164 TIFFDisplay display;
165 float Yr2r[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yr to r */
166 float Yg2g[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yg to g */
167 float Yb2b[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yb to b */
168 } TIFFCIELabToRGB;
169
170 /*
171 * RGBA-style image support.
172 */
173 typedef struct _TIFFRGBAImage TIFFRGBAImage;
174 /*
175 * The image reading and conversion routines invoke
176 * ``put routines'' to copy/image/whatever tiles of
177 * raw image data. A default set of routines are
178 * provided to convert/copy raw image data to 8-bit
179 * packed ABGR format rasters. Applications can supply
180 * alternate routines that unpack the data into a
181 * different format or, for example, unpack the data
182 * and draw the unpacked raster on the display.
183 */
184 typedef void (*tileContigRoutine)
185 (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32,
186 unsigned char*);
187 typedef void (*tileSeparateRoutine)
188 (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32,
189 unsigned char*, unsigned char*, unsigned char*, unsigned char*);
190 /*
191 * RGBA-reader state.
192 */
193 struct _TIFFRGBAImage {
194 TIFF* tif; /* image handle */
195 int stoponerr; /* stop on read error */
196 int isContig; /* data is packed/separate */
197 int alpha; /* type of alpha data present */
198 uint32 width; /* image width */
199 uint32 height; /* image height */
200 uint16 bitspersample; /* image bits/sample */
201 uint16 samplesperpixel; /* image samples/pixel */
202 uint16 orientation; /* image orientation */
203 uint16 req_orientation; /* requested orientation */
204 uint16 photometric; /* image photometric interp */
205 uint16* redcmap; /* colormap pallete */
206 uint16* greencmap;
207 uint16* bluecmap;
208 /* get image data routine */
209 int (*get)(TIFFRGBAImage*, uint32*, uint32, uint32);
210 union {
211 void (*any)(TIFFRGBAImage*);
212 tileContigRoutine contig;
213 tileSeparateRoutine separate;
214 } put; /* put decoded strip/tile */
215 TIFFRGBValue* Map; /* sample mapping array */
216 uint32** BWmap; /* black&white map */
217 uint32** PALmap; /* palette image map */
218 TIFFYCbCrToRGB* ycbcr; /* YCbCr conversion state */
219 TIFFCIELabToRGB* cielab; /* CIE L*a*b conversion state */
220
221 int row_offset;
222 int col_offset;
223 };
224
225 /*
226 * Macros for extracting components from the
227 * packed ABGR form returned by TIFFReadRGBAImage.
228 */
229 #define TIFFGetR(abgr) ((abgr) & 0xff)
230 #define TIFFGetG(abgr) (((abgr) >> 8) & 0xff)
231 #define TIFFGetB(abgr) (((abgr) >> 16) & 0xff)
232 #define TIFFGetA(abgr) (((abgr) >> 24) & 0xff)
233
234 /*
235 * A CODEC is a software package that implements decoding,
236 * encoding, or decoding+encoding of a compression algorithm.
237 * The library provides a collection of builtin codecs.
238 * More codecs may be registered through calls to the library
239 * and/or the builtin implementations may be overridden.
240 */
241 typedef int (*TIFFInitMethod)(TIFF*, int);
242 typedef struct {
243 char* name;
244 uint16 scheme;
245 TIFFInitMethod init;
246 } TIFFCodec;
247
248 #include <stdio.h>
249 #include <stdarg.h>
250
251 /* share internal LogLuv conversion routines? */
252 #ifndef LOGLUV_PUBLIC
253 #define LOGLUV_PUBLIC 1
254 #endif
255
256 #if defined(c_plusplus) || defined(__cplusplus)
257 extern "C" {
258 #endif
259 typedef void (*TIFFErrorHandler)(const char*, const char*, va_list);
260 typedef tsize_t (*TIFFReadWriteProc)(thandle_t, tdata_t, tsize_t);
261 typedef toff_t (*TIFFSeekProc)(thandle_t, toff_t, int);
262 typedef int (*TIFFCloseProc)(thandle_t);
263 typedef toff_t (*TIFFSizeProc)(thandle_t);
264 typedef int (*TIFFMapFileProc)(thandle_t, tdata_t*, toff_t*);
265 typedef void (*TIFFUnmapFileProc)(thandle_t, tdata_t, toff_t);
266 typedef void (*TIFFExtendProc)(TIFF*);
267
268 extern const char* TIFFGetVersion(void);
269
270 extern const TIFFCodec* TIFFFindCODEC(uint16);
271 extern TIFFCodec* TIFFRegisterCODEC(uint16, const char*, TIFFInitMethod);
272 extern void TIFFUnRegisterCODEC(TIFFCodec*);
273 extern int TIFFIsCODECConfigured(uint16);
274 extern TIFFCodec* TIFFGetConfiguredCODECs();
275
276 extern tdata_t _TIFFmalloc(tsize_t);
277 extern tdata_t _TIFFrealloc(tdata_t, tsize_t);
278 extern void _TIFFmemset(tdata_t, int, tsize_t);
279 extern void _TIFFmemcpy(tdata_t, const tdata_t, tsize_t);
280 extern int _TIFFmemcmp(const tdata_t, const tdata_t, tsize_t);
281 extern void _TIFFfree(tdata_t);
282
283 extern void TIFFCleanup(TIFF*);
284 extern void TIFFClose(TIFF*);
285 extern int TIFFFlush(TIFF*);
286 extern int TIFFFlushData(TIFF*);
287 extern int TIFFGetField(TIFF*, ttag_t, ...);
288 extern int TIFFVGetField(TIFF*, ttag_t, va_list);
289 extern int TIFFGetFieldDefaulted(TIFF*, ttag_t, ...);
290 extern int TIFFVGetFieldDefaulted(TIFF*, ttag_t, va_list);
291 extern int TIFFReadDirectory(TIFF*);
292 extern tsize_t TIFFScanlineSize(TIFF*);
293 extern tsize_t TIFFRasterScanlineSize(TIFF*);
294 extern tsize_t TIFFStripSize(TIFF*);
295 extern tsize_t TIFFRawStripSize(TIFF*, tstrip_t);
296 extern tsize_t TIFFVStripSize(TIFF*, uint32);
297 extern tsize_t TIFFTileRowSize(TIFF*);
298 extern tsize_t TIFFTileSize(TIFF*);
299 extern tsize_t TIFFVTileSize(TIFF*, uint32);
300 extern uint32 TIFFDefaultStripSize(TIFF*, uint32);
301 extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*);
302 extern int TIFFFileno(TIFF*);
303 extern int TIFFSetFileno(TIFF*, int);
304 extern thandle_t TIFFClientdata(TIFF*);
305 extern thandle_t TIFFSetClientdata(TIFF*, thandle_t);
306 extern int TIFFGetMode(TIFF*);
307 extern int TIFFSetMode(TIFF*, int);
308 extern int TIFFIsTiled(TIFF*);
309 extern int TIFFIsByteSwapped(TIFF*);
310 extern int TIFFIsUpSampled(TIFF*);
311 extern int TIFFIsMSB2LSB(TIFF*);
312 extern int TIFFIsBigEndian(TIFF*);
313 extern TIFFReadWriteProc TIFFGetReadProc(TIFF*);
314 extern TIFFReadWriteProc TIFFGetWriteProc(TIFF*);
315 extern TIFFSeekProc TIFFGetSeekProc(TIFF*);
316 extern TIFFCloseProc TIFFGetCloseProc(TIFF*);
317 extern TIFFSizeProc TIFFGetSizeProc(TIFF*);
318 extern TIFFMapFileProc TIFFGetMapFileProc(TIFF*);
319 extern TIFFUnmapFileProc TIFFGetUnmapFileProc(TIFF*);
320 extern uint32 TIFFCurrentRow(TIFF*);
321 extern tdir_t TIFFCurrentDirectory(TIFF*);
322 extern tdir_t TIFFNumberOfDirectories(TIFF*);
323 extern uint32 TIFFCurrentDirOffset(TIFF*);
324 extern tstrip_t TIFFCurrentStrip(TIFF*);
325 extern ttile_t TIFFCurrentTile(TIFF*);
326 extern int TIFFReadBufferSetup(TIFF*, tdata_t, tsize_t);
327 extern int TIFFWriteBufferSetup(TIFF*, tdata_t, tsize_t);
328 extern int TIFFSetupStrips(TIFF *);
329 extern int TIFFWriteCheck(TIFF*, int, const char *);
330 extern int TIFFCreateDirectory(TIFF*);
331 extern int TIFFLastDirectory(TIFF*);
332 extern int TIFFSetDirectory(TIFF*, tdir_t);
333 extern int TIFFSetSubDirectory(TIFF*, uint32);
334 extern int TIFFUnlinkDirectory(TIFF*, tdir_t);
335 extern int TIFFSetField(TIFF*, ttag_t, ...);
336 extern int TIFFVSetField(TIFF*, ttag_t, va_list);
337 extern int TIFFWriteDirectory(TIFF *);
338 extern int TIFFCheckpointDirectory(TIFF *);
339 extern int TIFFRewriteDirectory(TIFF *);
340 extern int TIFFReassignTagToIgnore(enum TIFFIgnoreSense, int);
341
342 #if defined(c_plusplus) || defined(__cplusplus)
343 extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0);
344 extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t = 0);
345 extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t = 0);
346 extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0);
347 extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*,
348 int = ORIENTATION_BOTLEFT, int = 0);
349 #else
350 extern void TIFFPrintDirectory(TIFF*, FILE*, long);
351 extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t);
352 extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t);
353 extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int);
354 extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, int, int);
355 #endif
356
357 extern int TIFFReadRGBAStrip(TIFF*, tstrip_t, uint32 * );
358 extern int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * );
359 extern int TIFFRGBAImageOK(TIFF*, char [1024]);
360 extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]);
361 extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32);
362 extern void TIFFRGBAImageEnd(TIFFRGBAImage*);
363 extern TIFF* TIFFOpen(const char*, const char*);
364 # ifdef __WIN32__
365 extern TIFF* TIFFOpenW(const wchar_t*, const char*);
366 # endif /* __WIN32__ */
367 extern TIFF* TIFFFdOpen(int, const char*, const char*);
368 extern TIFF* TIFFClientOpen(const char*, const char*,
369 thandle_t,
370 TIFFReadWriteProc, TIFFReadWriteProc,
371 TIFFSeekProc, TIFFCloseProc,
372 TIFFSizeProc,
373 TIFFMapFileProc, TIFFUnmapFileProc);
374 extern const char* TIFFFileName(TIFF*);
375 extern const char* TIFFSetFileName(TIFF*, const char *);
376 extern void TIFFError(const char*, const char*, ...);
377 extern void TIFFWarning(const char*, const char*, ...);
378 extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler);
379 extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler);
380 extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc);
381 extern ttile_t TIFFComputeTile(TIFF*, uint32, uint32, uint32, tsample_t);
382 extern int TIFFCheckTile(TIFF*, uint32, uint32, uint32, tsample_t);
383 extern ttile_t TIFFNumberOfTiles(TIFF*);
384 extern tsize_t TIFFReadTile(TIFF*,
385 tdata_t, uint32, uint32, uint32, tsample_t);
386 extern tsize_t TIFFWriteTile(TIFF*,
387 tdata_t, uint32, uint32, uint32, tsample_t);
388 extern tstrip_t TIFFComputeStrip(TIFF*, uint32, tsample_t);
389 extern tstrip_t TIFFNumberOfStrips(TIFF*);
390 extern tsize_t TIFFReadEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
391 extern tsize_t TIFFReadRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
392 extern tsize_t TIFFReadEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t);
393 extern tsize_t TIFFReadRawTile(TIFF*, ttile_t, tdata_t, tsize_t);
394 extern tsize_t TIFFWriteEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
395 extern tsize_t TIFFWriteRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
396 extern tsize_t TIFFWriteEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t);
397 extern tsize_t TIFFWriteRawTile(TIFF*, ttile_t, tdata_t, tsize_t);
398 extern int TIFFDataWidth(TIFFDataType); /* table of tag datatype widths */
399 extern void TIFFSetWriteOffset(TIFF*, toff_t);
400 extern void TIFFSwabShort(uint16*);
401 extern void TIFFSwabLong(uint32*);
402 extern void TIFFSwabDouble(double*);
403 extern void TIFFSwabArrayOfShort(uint16*, unsigned long);
404 extern void TIFFSwabArrayOfTriples(uint8*, unsigned long);
405 extern void TIFFSwabArrayOfLong(uint32*, unsigned long);
406 extern void TIFFSwabArrayOfDouble(double*, unsigned long);
407 extern void TIFFReverseBits(unsigned char *, unsigned long);
408 extern const unsigned char* TIFFGetBitRevTable(int);
409
410 #ifdef LOGLUV_PUBLIC
411 #define U_NEU 0.210526316
412 #define V_NEU 0.473684211
413 #define UVSCALE 409.6
414 extern double LogL16toY(int);
415 extern double LogL10toY(int);
416 extern void XYZtoRGB24(float*, uint8*);
417 extern int uv_decode(double*, double*, int);
418 extern void LogLuv24toXYZ(uint32, float*);
419 extern void LogLuv32toXYZ(uint32, float*);
420 #if defined(c_plusplus) || defined(__cplusplus)
421 extern int LogL16fromY(double, int = SGILOGENCODE_NODITHER);
422 extern int LogL10fromY(double, int = SGILOGENCODE_NODITHER);
423 extern int uv_encode(double, double, int = SGILOGENCODE_NODITHER);
424 extern uint32 LogLuv24fromXYZ(float*, int = SGILOGENCODE_NODITHER);
425 extern uint32 LogLuv32fromXYZ(float*, int = SGILOGENCODE_NODITHER);
426 #else
427 extern int LogL16fromY(double, int);
428 extern int LogL10fromY(double, int);
429 extern int uv_encode(double, double, int);
430 extern uint32 LogLuv24fromXYZ(float*, int);
431 extern uint32 LogLuv32fromXYZ(float*, int);
432 #endif
433 #endif /* LOGLUV_PUBLIC */
434
435 /*
436 ** Stuff, related to tag handling and creating custom tags.
437 */
438 extern int TIFFGetTagListCount( TIFF * );
439 extern ttag_t TIFFGetTagListEntry( TIFF *, int tag_index );
440
441 #define TIFF_ANY TIFF_NOTYPE /* for field descriptor searching */
442 #define TIFF_VARIABLE -1 /* marker for variable length tags */
443 #define TIFF_SPP -2 /* marker for SamplesPerPixel tags */
444 #define TIFF_VARIABLE2 -3 /* marker for uint32 var-length tags */
445
446 #define FIELD_CUSTOM 65
447
448 typedef struct {
449 ttag_t field_tag; /* field's tag */
450 short field_readcount; /* read count/TIFF_VARIABLE/TIFF_SPP */
451 short field_writecount; /* write count/TIFF_VARIABLE */
452 TIFFDataType field_type; /* type of associated data */
453 unsigned short field_bit; /* bit in fieldsset bit vector */
454 unsigned char field_oktochange; /* if true, can change while writing */
455 unsigned char field_passcount; /* if true, pass dir count on set */
456 char *field_name; /* ASCII name */
457 } TIFFFieldInfo;
458
459 typedef struct _TIFFTagValue {
460 const TIFFFieldInfo *info;
461 int count;
462 void *value;
463 } TIFFTagValue;
464
465 extern void TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], int);
466 extern const TIFFFieldInfo* TIFFFindFieldInfo(TIFF*, ttag_t, TIFFDataType);
467 extern const TIFFFieldInfo* TIFFFindFieldInfoByName(TIFF* , const char *,
468 TIFFDataType);
469 extern const TIFFFieldInfo* TIFFFieldWithTag(TIFF*, ttag_t);
470 extern const TIFFFieldInfo* TIFFFieldWithName(TIFF*, const char *);
471
472 typedef int (*TIFFVSetMethod)(TIFF*, ttag_t, va_list);
473 typedef int (*TIFFVGetMethod)(TIFF*, ttag_t, va_list);
474 typedef void (*TIFFPrintMethod)(TIFF*, FILE*, long);
475
476 typedef struct {
477 TIFFVSetMethod vsetfield; /* tag set routine */
478 TIFFVGetMethod vgetfield; /* tag get routine */
479 TIFFPrintMethod printdir; /* directory print routine */
480 } TIFFTagMethods;
481
482 extern TIFFTagMethods *TIFFAccessTagMethods( TIFF * );
483 extern void *TIFFGetClientInfo( TIFF *, const char * );
484 extern void TIFFSetClientInfo( TIFF *, void *, const char * );
485
486 extern int TIFFCIELabToRGBInit(TIFFCIELabToRGB*, TIFFDisplay *, float*);
487 extern void TIFFCIELabToXYZ(TIFFCIELabToRGB *, uint32, int32, int32,
488 float *, float *, float *);
489 extern void TIFFXYZToRGB(TIFFCIELabToRGB *, float, float, float,
490 uint32 *, uint32 *, uint32 *);
491
492 extern int TIFFYCbCrToRGBInit(TIFFYCbCrToRGB*, float*, float*);
493 extern void TIFFYCbCrtoRGB(TIFFYCbCrToRGB *, uint32, int32, int32,
494 uint32 *, uint32 *, uint32 *);
495
496 #if defined(c_plusplus) || defined(__cplusplus)
497 }
498 #endif
499
500 #endif /* _TIFFIO_ */
501
502 /* vim: set ts=8 sts=8 sw=8 noet: */