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Issue 1563103002: XFA: Upgrade to libtiff 4.0.6. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: rename to libtiff Created 4 years, 11 months ago
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1 /* $Id: tiffio.h,v 1.91 2012-07-29 15:45:29 tgl 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, and BigTIFF maxes out at 64-bit
59 * offsets being the most important, and to ensure use of
60 * a consistently unsigned type across architectures.
61 * Prior to libtiff 4.0, this was an unsigned 32 bit type.
62 */
63 /*
64 * this is the machine addressing size type, only it's signed, so make it
65 * int32 on 32bit machines, int64 on 64bit machines
66 */
67 typedef TIFF_SSIZE_T tmsize_t;
68 typedef uint64 toff_t; /* file offset */
69 /* the following are deprecated and should be replaced by their defining
70 counterparts */
71 typedef uint32 ttag_t; /* directory tag */
72 typedef uint16 tdir_t; /* directory index */
73 typedef uint16 tsample_t; /* sample number */
74 typedef uint32 tstrile_t; /* strip or tile number */
75 typedef tstrile_t tstrip_t; /* strip number */
76 typedef tstrile_t ttile_t; /* tile number */
77 typedef tmsize_t tsize_t; /* i/o size in bytes */
78 typedef void* tdata_t; /* image data ref */
79
80 #if !defined(__WIN32__) && (defined(_WIN32) || defined(WIN32))
81 #define __WIN32__
82 #endif
83
84 /*
85 * On windows you should define USE_WIN32_FILEIO if you are using tif_win32.c
86 * or AVOID_WIN32_FILEIO if you are using something else (like tif_unix.c).
87 *
88 * By default tif_unix.c is assumed.
89 */
90
91 #if defined(_WINDOWS) || defined(__WIN32__) || defined(_Windows)
92 # if !defined(__CYGWIN) && !defined(AVOID_WIN32_FILEIO) && !defined(USE_WIN32_F ILEIO)
93 # define AVOID_WIN32_FILEIO
94 # endif
95 #endif
96
97 #if defined(USE_WIN32_FILEIO)
98 # define VC_EXTRALEAN
99 # include <windows.h>
100 # ifdef __WIN32__
101 DECLARE_HANDLE(thandle_t); /* Win32 file handle */
102 # else
103 typedef HFILE thandle_t; /* client data handle */
104 # endif /* __WIN32__ */
105 #else
106 typedef void* thandle_t; /* client data handle */
107 #endif /* USE_WIN32_FILEIO */
108
109 /*
110 * Flags to pass to TIFFPrintDirectory to control
111 * printing of data structures that are potentially
112 * very large. Bit-or these flags to enable printing
113 * multiple items.
114 */
115 #define TIFFPRINT_NONE 0x0 /* no extra info */
116 #define TIFFPRINT_STRIPS 0x1 /* strips/tiles info */
117 #define TIFFPRINT_CURVES 0x2 /* color/gray response curves */
118 #define TIFFPRINT_COLORMAP 0x4 /* colormap */
119 #define TIFFPRINT_JPEGQTABLES 0x100 /* JPEG Q matrices */
120 #define TIFFPRINT_JPEGACTABLES 0x200 /* JPEG AC tables */
121 #define TIFFPRINT_JPEGDCTABLES 0x200 /* JPEG DC tables */
122
123 /*
124 * Colour conversion stuff
125 */
126
127 /* reference white */
128 #define D65_X0 (95.0470F)
129 #define D65_Y0 (100.0F)
130 #define D65_Z0 (108.8827F)
131
132 #define D50_X0 (96.4250F)
133 #define D50_Y0 (100.0F)
134 #define D50_Z0 (82.4680F)
135
136 /* Structure for holding information about a display device. */
137
138 typedef unsigned char TIFFRGBValue; /* 8-bit samples */
139
140 typedef struct {
141 float d_mat[3][3]; /* XYZ -> luminance matrix */
142 float d_YCR; /* Light o/p for reference whi te */
143 float d_YCG;
144 float d_YCB;
145 uint32 d_Vrwr; /* Pixel values for ref. white */
146 uint32 d_Vrwg;
147 uint32 d_Vrwb;
148 float d_Y0R; /* Residual light for black pi xel */
149 float d_Y0G;
150 float d_Y0B;
151 float d_gammaR; /* Gamma values for the three guns */
152 float d_gammaG;
153 float d_gammaB;
154 } TIFFDisplay;
155
156 typedef struct { /* YCbCr->RGB support */
157 TIFFRGBValue* clamptab; /* range clamping table */
158 int* Cr_r_tab;
159 int* Cb_b_tab;
160 int32* Cr_g_tab;
161 int32* Cb_g_tab;
162 int32* Y_tab;
163 } TIFFYCbCrToRGB;
164
165 typedef struct { /* CIE Lab 1976->RGB support * /
166 int range; /* Size of conversion table */
167 #define CIELABTORGB_TABLE_RANGE 1500
168 float rstep, gstep, bstep;
169 float X0, Y0, Z0; /* Reference white point */
170 TIFFDisplay display;
171 float Yr2r[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yr to r */
172 float Yg2g[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yg to g */
173 float Yb2b[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yb to b */
174 } TIFFCIELabToRGB;
175
176 /*
177 * RGBA-style image support.
178 */
179 typedef struct _TIFFRGBAImage TIFFRGBAImage;
180 /*
181 * The image reading and conversion routines invoke
182 * ``put routines'' to copy/image/whatever tiles of
183 * raw image data. A default set of routines are
184 * provided to convert/copy raw image data to 8-bit
185 * packed ABGR format rasters. Applications can supply
186 * alternate routines that unpack the data into a
187 * different format or, for example, unpack the data
188 * and draw the unpacked raster on the display.
189 */
190 typedef void (*tileContigRoutine)
191 (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32,
192 unsigned char*);
193 typedef void (*tileSeparateRoutine)
194 (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32,
195 unsigned char*, unsigned char*, unsigned char*, unsigned char*);
196 /*
197 * RGBA-reader state.
198 */
199 struct _TIFFRGBAImage {
200 TIFF* tif; /* image handle */
201 int stoponerr; /* stop on read error */
202 int isContig; /* data is packed/separate */
203 int alpha; /* type of alpha data present */
204 uint32 width; /* image width */
205 uint32 height; /* image height */
206 uint16 bitspersample; /* image bits/sample */
207 uint16 samplesperpixel; /* image samples/pixel */
208 uint16 orientation; /* image orientation */
209 uint16 req_orientation; /* requested orientation */
210 uint16 photometric; /* image photometric interp */
211 uint16* redcmap; /* colormap pallete */
212 uint16* greencmap;
213 uint16* bluecmap;
214 /* get image data routine */
215 int (*get)(TIFFRGBAImage*, uint32*, uint32, uint32);
216 /* put decoded strip/tile */
217 union {
218 void (*any)(TIFFRGBAImage*);
219 tileContigRoutine contig;
220 tileSeparateRoutine separate;
221 } put;
222 TIFFRGBValue* Map; /* sample mapping array */
223 uint32** BWmap; /* black&white map */
224 uint32** PALmap; /* palette image map */
225 TIFFYCbCrToRGB* ycbcr; /* YCbCr conversion state */
226 TIFFCIELabToRGB* cielab; /* CIE L*a*b conversion state */
227
228 uint8* UaToAa; /* Unassociated alpha to associa ted alpha convertion LUT */
229 uint8* Bitdepth16To8; /* LUT for conversion from 16bit to 8bit values */
230
231 int row_offset;
232 int col_offset;
233 };
234
235 /*
236 * Macros for extracting components from the
237 * packed ABGR form returned by TIFFReadRGBAImage.
238 */
239 #define TIFFGetR(abgr) ((abgr) & 0xff)
240 #define TIFFGetG(abgr) (((abgr) >> 8) & 0xff)
241 #define TIFFGetB(abgr) (((abgr) >> 16) & 0xff)
242 #define TIFFGetA(abgr) (((abgr) >> 24) & 0xff)
243
244 /*
245 * A CODEC is a software package that implements decoding,
246 * encoding, or decoding+encoding of a compression algorithm.
247 * The library provides a collection of builtin codecs.
248 * More codecs may be registered through calls to the library
249 * and/or the builtin implementations may be overridden.
250 */
251 typedef int (*TIFFInitMethod)(TIFF*, int);
252 typedef struct {
253 char* name;
254 uint16 scheme;
255 TIFFInitMethod init;
256 } TIFFCodec;
257
258 #include <stdio.h>
259 #include <stdarg.h>
260
261 /* share internal LogLuv conversion routines? */
262 #ifndef LOGLUV_PUBLIC
263 #define LOGLUV_PUBLIC 1
264 #endif
265
266 #if !defined(__GNUC__) && !defined(__attribute__)
267 # define __attribute__(x) /*nothing*/
268 #endif
269
270 #if defined(c_plusplus) || defined(__cplusplus)
271 extern "C" {
272 #endif
273 typedef void (*TIFFErrorHandler)(const char*, const char*, va_list);
274 typedef void (*TIFFErrorHandlerExt)(thandle_t, const char*, const char*, va_list );
275 typedef tmsize_t (*TIFFReadWriteProc)(thandle_t, void*, tmsize_t);
276 typedef toff_t (*TIFFSeekProc)(thandle_t, toff_t, int);
277 typedef int (*TIFFCloseProc)(thandle_t);
278 typedef toff_t (*TIFFSizeProc)(thandle_t);
279 typedef int (*TIFFMapFileProc)(thandle_t, void** base, toff_t* size);
280 typedef void (*TIFFUnmapFileProc)(thandle_t, void* base, toff_t size);
281 typedef void (*TIFFExtendProc)(TIFF*);
282
283 extern const char* TIFFGetVersion(void);
284
285 extern const TIFFCodec* TIFFFindCODEC(uint16);
286 extern TIFFCodec* TIFFRegisterCODEC(uint16, const char*, TIFFInitMethod);
287 extern void TIFFUnRegisterCODEC(TIFFCodec*);
288 extern int TIFFIsCODECConfigured(uint16);
289 extern TIFFCodec* TIFFGetConfiguredCODECs(void);
290
291 /*
292 * Auxiliary functions.
293 */
294
295 extern void* _TIFFmalloc(tmsize_t s);
296 extern void* _TIFFrealloc(void* p, tmsize_t s);
297 extern void _TIFFmemset(void* p, int v, tmsize_t c);
298 extern void _TIFFmemcpy(void* d, const void* s, tmsize_t c);
299 extern int _TIFFmemcmp(const void* p1, const void* p2, tmsize_t c);
300 extern void _TIFFfree(void* p);
301 /* Do cmyk to rgb convert, add by Sunliang.Liu 20090723. */
302 extern int TIFFCmyk2Rgb(thandle_t context, uint8 c, uint8 m, uint8 y, uint8 k, uint8* r, uint8* g, uint8* b);
303
304 /*
305 ** Stuff, related to tag handling and creating custom tags.
306 */
307 extern int TIFFGetTagListCount( TIFF * );
308 extern uint32 TIFFGetTagListEntry( TIFF *, int tag_index );
309
310 #define TIFF_ANY TIFF_NOTYPE /* for field descriptor searching */
311 #define TIFF_VARIABLE -1 /* marker for variable length tags */
312 #define TIFF_SPP -2 /* marker for SamplesPerPixel tags */
313 #define TIFF_VARIABLE2 -3 /* marker for uint32 var-length tags */
314
315 #define FIELD_CUSTOM 65
316
317 typedef struct _TIFFField TIFFField;
318 typedef struct _TIFFFieldArray TIFFFieldArray;
319
320 extern const TIFFField* TIFFFindField(TIFF *, uint32, TIFFDataType);
321 extern const TIFFField* TIFFFieldWithTag(TIFF*, uint32);
322 extern const TIFFField* TIFFFieldWithName(TIFF*, const char *);
323
324 extern uint32 TIFFFieldTag(const TIFFField*);
325 extern const char* TIFFFieldName(const TIFFField*);
326 extern TIFFDataType TIFFFieldDataType(const TIFFField*);
327 extern int TIFFFieldPassCount(const TIFFField*);
328 extern int TIFFFieldReadCount(const TIFFField*);
329 extern int TIFFFieldWriteCount(const TIFFField*);
330
331 typedef int (*TIFFVSetMethod)(TIFF*, uint32, va_list);
332 typedef int (*TIFFVGetMethod)(TIFF*, uint32, va_list);
333 typedef void (*TIFFPrintMethod)(TIFF*, FILE*, long);
334
335 typedef struct {
336 TIFFVSetMethod vsetfield; /* tag set routine */
337 TIFFVGetMethod vgetfield; /* tag get routine */
338 TIFFPrintMethod printdir; /* directory print routine */
339 } TIFFTagMethods;
340
341 extern TIFFTagMethods *TIFFAccessTagMethods(TIFF *);
342 extern void *TIFFGetClientInfo(TIFF *, const char *);
343 extern void TIFFSetClientInfo(TIFF *, void *, const char *);
344
345 extern void TIFFCleanup(TIFF* tif);
346 extern void TIFFClose(TIFF* tif);
347 extern int TIFFFlush(TIFF* tif);
348 extern int TIFFFlushData(TIFF* tif);
349 extern int TIFFGetField(TIFF* tif, uint32 tag, ...);
350 extern int TIFFVGetField(TIFF* tif, uint32 tag, va_list ap);
351 extern int TIFFGetFieldDefaulted(TIFF* tif, uint32 tag, ...);
352 extern int TIFFVGetFieldDefaulted(TIFF* tif, uint32 tag, va_list ap);
353 extern int TIFFReadDirectory(TIFF* tif);
354 extern int TIFFReadCustomDirectory(TIFF* tif, toff_t diroff, const TIFFFieldArra y* infoarray);
355 extern int TIFFReadEXIFDirectory(TIFF* tif, toff_t diroff);
356 extern uint64 TIFFScanlineSize64(TIFF* tif);
357 extern tmsize_t TIFFScanlineSize(TIFF* tif);
358 extern uint64 TIFFRasterScanlineSize64(TIFF* tif);
359 extern tmsize_t TIFFRasterScanlineSize(TIFF* tif);
360 extern uint64 TIFFStripSize64(TIFF* tif);
361 extern tmsize_t TIFFStripSize(TIFF* tif);
362 extern uint64 TIFFRawStripSize64(TIFF* tif, uint32 strip);
363 extern tmsize_t TIFFRawStripSize(TIFF* tif, uint32 strip);
364 extern uint64 TIFFVStripSize64(TIFF* tif, uint32 nrows);
365 extern tmsize_t TIFFVStripSize(TIFF* tif, uint32 nrows);
366 extern uint64 TIFFTileRowSize64(TIFF* tif);
367 extern tmsize_t TIFFTileRowSize(TIFF* tif);
368 extern uint64 TIFFTileSize64(TIFF* tif);
369 extern tmsize_t TIFFTileSize(TIFF* tif);
370 extern uint64 TIFFVTileSize64(TIFF* tif, uint32 nrows);
371 extern tmsize_t TIFFVTileSize(TIFF* tif, uint32 nrows);
372 extern uint32 TIFFDefaultStripSize(TIFF* tif, uint32 request);
373 extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*);
374 extern int TIFFFileno(TIFF*);
375 extern int TIFFSetFileno(TIFF*, int);
376 extern thandle_t TIFFClientdata(TIFF*);
377 extern thandle_t TIFFSetClientdata(TIFF*, thandle_t);
378 extern int TIFFGetMode(TIFF*);
379 extern int TIFFSetMode(TIFF*, int);
380 extern int TIFFIsTiled(TIFF*);
381 extern int TIFFIsByteSwapped(TIFF*);
382 extern int TIFFIsUpSampled(TIFF*);
383 extern int TIFFIsMSB2LSB(TIFF*);
384 extern int TIFFIsBigEndian(TIFF*);
385 extern TIFFReadWriteProc TIFFGetReadProc(TIFF*);
386 extern TIFFReadWriteProc TIFFGetWriteProc(TIFF*);
387 extern TIFFSeekProc TIFFGetSeekProc(TIFF*);
388 extern TIFFCloseProc TIFFGetCloseProc(TIFF*);
389 extern TIFFSizeProc TIFFGetSizeProc(TIFF*);
390 extern TIFFMapFileProc TIFFGetMapFileProc(TIFF*);
391 extern TIFFUnmapFileProc TIFFGetUnmapFileProc(TIFF*);
392 extern uint32 TIFFCurrentRow(TIFF*);
393 extern uint16 TIFFCurrentDirectory(TIFF*);
394 extern uint16 TIFFNumberOfDirectories(TIFF*);
395 extern uint64 TIFFCurrentDirOffset(TIFF*);
396 extern uint32 TIFFCurrentStrip(TIFF*);
397 extern uint32 TIFFCurrentTile(TIFF* tif);
398 extern int TIFFReadBufferSetup(TIFF* tif, void* bp, tmsize_t size);
399 extern int TIFFWriteBufferSetup(TIFF* tif, void* bp, tmsize_t size);
400 extern int TIFFSetupStrips(TIFF *);
401 extern int TIFFWriteCheck(TIFF*, int, const char *);
402 extern void TIFFFreeDirectory(TIFF*);
403 extern int TIFFCreateDirectory(TIFF*);
404 extern int TIFFCreateCustomDirectory(TIFF*,const TIFFFieldArray*);
405 extern int TIFFCreateEXIFDirectory(TIFF*);
406 extern int TIFFLastDirectory(TIFF*);
407 extern int TIFFSetDirectory(TIFF*, uint16);
408 extern int TIFFSetSubDirectory(TIFF*, uint64);
409 extern int TIFFUnlinkDirectory(TIFF*, uint16);
410 extern int TIFFSetField(TIFF*, uint32, ...);
411 extern int TIFFVSetField(TIFF*, uint32, va_list);
412 extern int TIFFUnsetField(TIFF*, uint32);
413 extern int TIFFWriteDirectory(TIFF *);
414 extern int TIFFWriteCustomDirectory(TIFF *, uint64 *);
415 extern int TIFFCheckpointDirectory(TIFF *);
416 extern int TIFFRewriteDirectory(TIFF *);
417
418 #if defined(c_plusplus) || defined(__cplusplus)
419 extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0);
420 extern int TIFFReadScanline(TIFF* tif, void* buf, uint32 row, uint16 sample = 0) ;
421 extern int TIFFWriteScanline(TIFF* tif, void* buf, uint32 row, uint16 sample = 0 );
422 extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0);
423 extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*,
424 int = ORIENTATION_BOTLEFT, int = 0);
425 #else
426 extern void TIFFPrintDirectory(TIFF*, FILE*, long);
427 extern int TIFFReadScanline(TIFF* tif, void* buf, uint32 row, uint16 sample);
428 extern int TIFFWriteScanline(TIFF* tif, void* buf, uint32 row, uint16 sample);
429 extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int);
430 extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, int, int);
431 #endif
432
433 extern int TIFFReadRGBAStrip(TIFF*, uint32, uint32 * );
434 extern int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * );
435 extern int TIFFRGBAImageOK(TIFF*, char [1024]);
436 extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]);
437 extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32);
438 extern void TIFFRGBAImageEnd(TIFFRGBAImage*);
439 extern TIFF* TIFFOpen(const char*, const char*);
440 # ifdef __WIN32__
441 extern TIFF* TIFFOpenW(const wchar_t*, const char*);
442 # endif /* __WIN32__ */
443 extern TIFF* TIFFFdOpen(int, const char*, const char*);
444 extern TIFF* TIFFClientOpen(const char*, const char*,
445 thandle_t,
446 TIFFReadWriteProc, TIFFReadWriteProc,
447 TIFFSeekProc, TIFFCloseProc,
448 TIFFSizeProc,
449 TIFFMapFileProc, TIFFUnmapFileProc);
450 extern const char* TIFFFileName(TIFF*);
451 extern const char* TIFFSetFileName(TIFF*, const char *);
452 extern void TIFFError(const char*, const char*, ...) __attribute__((__format__ ( __printf__,2,3)));
453 extern void TIFFErrorExt(thandle_t, const char*, const char*, ...) __attribute__ ((__format__ (__printf__,3,4)));
454 extern void TIFFWarning(const char*, const char*, ...) __attribute__((__format__ (__printf__,2,3)));
455 extern void TIFFWarningExt(thandle_t, const char*, const char*, ...) __attribute __((__format__ (__printf__,3,4)));
456 extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler);
457 extern TIFFErrorHandlerExt TIFFSetErrorHandlerExt(TIFFErrorHandlerExt);
458 extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler);
459 extern TIFFErrorHandlerExt TIFFSetWarningHandlerExt(TIFFErrorHandlerExt);
460 extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc);
461 extern uint32 TIFFComputeTile(TIFF* tif, uint32 x, uint32 y, uint32 z, uint16 s) ;
462 extern int TIFFCheckTile(TIFF* tif, uint32 x, uint32 y, uint32 z, uint16 s);
463 extern uint32 TIFFNumberOfTiles(TIFF*);
464 extern tmsize_t TIFFReadTile(TIFF* tif, void* buf, uint32 x, uint32 y, uint32 z, uint16 s);
465 extern tmsize_t TIFFWriteTile(TIFF* tif, void* buf, uint32 x, uint32 y, uint32 z , uint16 s);
466 extern uint32 TIFFComputeStrip(TIFF*, uint32, uint16);
467 extern uint32 TIFFNumberOfStrips(TIFF*);
468 extern tmsize_t TIFFReadEncodedStrip(TIFF* tif, uint32 strip, void* buf, tmsize_ t size);
469 extern tmsize_t TIFFReadRawStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t si ze);
470 extern tmsize_t TIFFReadEncodedTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size);
471 extern tmsize_t TIFFReadRawTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size );
472 extern tmsize_t TIFFWriteEncodedStrip(TIFF* tif, uint32 strip, void* data, tmsiz e_t cc);
473 extern tmsize_t TIFFWriteRawStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc);
474 extern tmsize_t TIFFWriteEncodedTile(TIFF* tif, uint32 tile, void* data, tmsize_ t cc);
475 extern tmsize_t TIFFWriteRawTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc );
476 extern int TIFFDataWidth(TIFFDataType); /* table of tag datatype widths */
477 extern void TIFFSetWriteOffset(TIFF* tif, toff_t off);
478 extern void TIFFSwabShort(uint16*);
479 extern void TIFFSwabLong(uint32*);
480 extern void TIFFSwabLong8(uint64*);
481 extern void TIFFSwabFloat(float*);
482 extern void TIFFSwabDouble(double*);
483 extern void TIFFSwabArrayOfShort(uint16* wp, tmsize_t n);
484 extern void TIFFSwabArrayOfTriples(uint8* tp, tmsize_t n);
485 extern void TIFFSwabArrayOfLong(uint32* lp, tmsize_t n);
486 extern void TIFFSwabArrayOfLong8(uint64* lp, tmsize_t n);
487 extern void TIFFSwabArrayOfFloat(float* fp, tmsize_t n);
488 extern void TIFFSwabArrayOfDouble(double* dp, tmsize_t n);
489 extern void TIFFReverseBits(uint8* cp, tmsize_t n);
490 extern const unsigned char* TIFFGetBitRevTable(int);
491
492 #ifdef LOGLUV_PUBLIC
493 #define U_NEU 0.210526316
494 #define V_NEU 0.473684211
495 #define UVSCALE 410.
496 extern double LogL16toY(int);
497 extern double LogL10toY(int);
498 extern void XYZtoRGB24(float*, uint8*);
499 extern int uv_decode(double*, double*, int);
500 extern void LogLuv24toXYZ(uint32, float*);
501 extern void LogLuv32toXYZ(uint32, float*);
502 #if defined(c_plusplus) || defined(__cplusplus)
503 extern int LogL16fromY(double, int = SGILOGENCODE_NODITHER);
504 extern int LogL10fromY(double, int = SGILOGENCODE_NODITHER);
505 extern int uv_encode(double, double, int = SGILOGENCODE_NODITHER);
506 extern uint32 LogLuv24fromXYZ(float*, int = SGILOGENCODE_NODITHER);
507 extern uint32 LogLuv32fromXYZ(float*, int = SGILOGENCODE_NODITHER);
508 #else
509 extern int LogL16fromY(double, int);
510 extern int LogL10fromY(double, int);
511 extern int uv_encode(double, double, int);
512 extern uint32 LogLuv24fromXYZ(float*, int);
513 extern uint32 LogLuv32fromXYZ(float*, int);
514 #endif
515 #endif /* LOGLUV_PUBLIC */
516
517 extern int TIFFCIELabToRGBInit(TIFFCIELabToRGB*, const TIFFDisplay *, float*);
518 extern void TIFFCIELabToXYZ(TIFFCIELabToRGB *, uint32, int32, int32,
519 float *, float *, float *);
520 extern void TIFFXYZToRGB(TIFFCIELabToRGB *, float, float, float,
521 uint32 *, uint32 *, uint32 *);
522
523 extern int TIFFYCbCrToRGBInit(TIFFYCbCrToRGB*, float*, float*);
524 extern void TIFFYCbCrtoRGB(TIFFYCbCrToRGB *, uint32, int32, int32,
525 uint32 *, uint32 *, uint32 *);
526
527 /****************************************************************************
528 * O B S O L E T E D I N T E R F A C E S
529 *
530 * Don't use this stuff in your applications, it may be removed in the future
531 * libtiff versions.
532 ****************************************************************************/
533 typedef struct {
534 ttag_t field_tag; /* field's tag */
535 short field_readcount; /* read count/TIFF_VARIABLE/TIFF_SPP */
536 short field_writecount; /* write count/TIFF_VARIABLE */
537 TIFFDataType field_type; /* type of associated data */
538 unsigned short field_bit; /* bit in fieldsset bit vector */
539 unsigned char field_oktochange; /* if true, can change while writing */
540 unsigned char field_passcount; /* if true, pass dir count on set */
541 char *field_name; /* ASCII name */
542 } TIFFFieldInfo;
543
544 extern int TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], uint32);
545
546 #if defined(c_plusplus) || defined(__cplusplus)
547 }
548 #endif
549
550 #endif /* _TIFFIO_ */
551
552 /* vim: set ts=8 sts=8 sw=8 noet: */
553 /*
554 * Local Variables:
555 * mode: c
556 * c-basic-offset: 8
557 * fill-column: 78
558 * End:
559 */
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