1 /*
2  * Copyright (c) 1988-1997 Sam Leffler
3  * Copyright (c) 1991-1997 Silicon Graphics, Inc.
4  *
5  * Permission to use, copy, modify, distribute, and sell this software and
6  * its documentation for any purpose is hereby granted without fee, provided
7  * that (i) the above copyright notices and this permission notice appear in
8  * all copies of the software and related documentation, and (ii) the names of
9  * Sam Leffler and Silicon Graphics may not be used in any advertising or
10  * publicity relating to the software without the specific, prior written
11  * permission of Sam Leffler and Silicon Graphics.
12  *
13  * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
14  * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
15  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
16  *
17  * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
18  * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
19  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
20  * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
21  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
22  * OF THIS SOFTWARE.
23  */
24 
25 #ifndef _TIFFIO_
26 #define	_TIFFIO_
27 
28 /*
29  * TIFF I/O Library Definitions.
30  */
31 #include "tiff.h"
32 #include "tiffvers.h"
33 
34 /*
35  * TIFF is defined as an incomplete type to hide the
36  * library's internal data structures from clients.
37  */
38 typedef struct tiff TIFF;
39 
40 /*
41  * The following typedefs define the intrinsic size of
42  * data types used in the *exported* interfaces.  These
43  * definitions depend on the proper definition of types
44  * in tiff.h.  Note also that the varargs interface used
45  * to pass tag types and values uses the types defined in
46  * tiff.h directly.
47  *
48  * NB: ttag_t is unsigned int and not unsigned short because
49  *     ANSI C requires that the type before the ellipsis be a
50  *     promoted type (i.e. one of int, unsigned int, pointer,
51  *     or double) and because we defined pseudo-tags that are
52  *     outside the range of legal Aldus-assigned tags.
53  * NB: tsize_t is signed and not unsigned because some functions
54  *     return -1.
55  * NB: toff_t is not off_t for many reasons; TIFFs max out at
56  *     32-bit file offsets, and BigTIFF maxes out at 64-bit
57  *     offsets being the most important, and to ensure use of
58  *     a consistently unsigned type across architectures.
59  *     Prior to libtiff 4.0, this was an unsigned 32 bit type.
60  */
61 /*
62  * this is the machine addressing size type, only it's signed, so make it
63  * int32_t on 32bit machines, int64_t on 64bit machines
64  */
65 typedef TIFF_SSIZE_T tmsize_t;
66 #define TIFF_TMSIZE_T_MAX (tmsize_t)(SIZE_MAX >> 1)
67 
68 typedef uint64_t toff_t;          /* file offset */
69 /* the following are deprecated and should be replaced by their defining
70    counterparts */
71 typedef uint32_t ttag_t;          /* directory tag */
72 typedef uint16_t tdir_t;          /* directory index */
73 typedef uint16_t tsample_t;       /* sample number */
74 typedef uint32_t 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_FILEIO)
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 white */
143 	float d_YCG;
144 	float d_YCB;
145 	uint32_t d_Vrwr;                            /* Pixel values for ref. white */
146 	uint32_t d_Vrwg;
147 	uint32_t d_Vrwb;
148 	float d_Y0R;                              /* Residual light for black pixel */
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_t* Cr_g_tab;
161 	int32_t* Cb_g_tab;
162 	int32_t* 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_t*, uint32_t, uint32_t, uint32_t, uint32_t, int32_t, int32_t,
192      unsigned char*);
193 typedef void (*tileSeparateRoutine)
194     (TIFFRGBAImage*, uint32_t*, uint32_t, uint32_t, uint32_t, uint32_t, int32_t, int32_t,
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_t width;                           /* image width */
205 	uint32_t height;                          /* image height */
206 	uint16_t bitspersample;                   /* image bits/sample */
207 	uint16_t samplesperpixel;                 /* image samples/pixel */
208 	uint16_t orientation;                     /* image orientation */
209 	uint16_t req_orientation;                 /* requested orientation */
210 	uint16_t photometric;                     /* image photometric interp */
211 	uint16_t* redcmap;                        /* colormap palette */
212 	uint16_t* greencmap;
213 	uint16_t* bluecmap;
214 	/* get image data routine */
215 	int (*get)(TIFFRGBAImage*, uint32_t*, uint32_t, uint32_t);
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_t** BWmap;                         /* black&white map */
224 	uint32_t** PALmap;                        /* palette image map */
225 	TIFFYCbCrToRGB* ycbcr;                  /* YCbCr conversion state */
226 	TIFFCIELabToRGB* cielab;                /* CIE L*a*b conversion state */
227 
228 	uint8_t* UaToAa;                          /* Unassociated alpha to associated alpha conversion LUT */
229 	uint8_t* 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_t 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 TIFF_ATTRIBUTE(x)    __attribute__(x)
268 #else
269 #  define TIFF_ATTRIBUTE(x) /*nothing*/
270 #endif
271 
272 #if defined(c_plusplus) || defined(__cplusplus)
273 extern "C" {
274 #endif
275 typedef void (*TIFFErrorHandler)(const char*, const char*, va_list);
276 typedef void (*TIFFErrorHandlerExt)(thandle_t, const char*, const char*, va_list);
277 typedef tmsize_t (*TIFFReadWriteProc)(thandle_t, void*, tmsize_t);
278 typedef toff_t (*TIFFSeekProc)(thandle_t, toff_t, int);
279 typedef int (*TIFFCloseProc)(thandle_t);
280 typedef toff_t (*TIFFSizeProc)(thandle_t);
281 typedef int (*TIFFMapFileProc)(thandle_t, void** base, toff_t* size);
282 typedef void (*TIFFUnmapFileProc)(thandle_t, void* base, toff_t size);
283 typedef void (*TIFFExtendProc)(TIFF*);
284 
285 extern const char* TIFFGetVersion(void);
286 
287 extern const TIFFCodec* TIFFFindCODEC(uint16_t);
288 extern TIFFCodec* TIFFRegisterCODEC(uint16_t, const char*, TIFFInitMethod);
289 extern void TIFFUnRegisterCODEC(TIFFCodec*);
290 extern int TIFFIsCODECConfigured(uint16_t);
291 extern TIFFCodec* TIFFGetConfiguredCODECs(void);
292 
293 /*
294  * Auxiliary functions.
295  */
296 
297 extern void* _TIFFmalloc(tmsize_t s);
298 extern void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz);
299 extern void* _TIFFrealloc(void* p, tmsize_t s);
300 extern void _TIFFmemset(void* p, int v, tmsize_t c);
301 extern void _TIFFmemcpy(void* d, const void* s, tmsize_t c);
302 extern int _TIFFmemcmp(const void* p1, const void* p2, tmsize_t c);
303 extern void _TIFFfree(void* p);
304 
305 /*
306 ** Stuff, related to tag handling and creating custom tags.
307 */
308 extern int TIFFGetTagListCount( TIFF * );
309 extern uint32_t TIFFGetTagListEntry(TIFF *, int tag_index );
310 
311 #define TIFF_ANY       TIFF_NOTYPE     /* for field descriptor searching */
312 #define TIFF_VARIABLE  -1              /* marker for variable length tags */
313 #define TIFF_SPP       -2              /* marker for SamplesPerPixel tags */
314 #define TIFF_VARIABLE2 -3              /* marker for uint32_t var-length tags */
315 
316 #define FIELD_CUSTOM    65
317 
318 typedef struct _TIFFField TIFFField;
319 typedef struct _TIFFFieldArray TIFFFieldArray;
320 
321 extern const TIFFField* TIFFFindField(TIFF *, uint32_t, TIFFDataType);
322 extern const TIFFField* TIFFFieldWithTag(TIFF*, uint32_t);
323 extern const TIFFField* TIFFFieldWithName(TIFF*, const char *);
324 
325 extern uint32_t TIFFFieldTag(const TIFFField*);
326 extern const char* TIFFFieldName(const TIFFField*);
327 extern TIFFDataType TIFFFieldDataType(const TIFFField*);
328 extern int TIFFFieldPassCount(const TIFFField*);
329 extern int TIFFFieldReadCount(const TIFFField*);
330 extern int TIFFFieldWriteCount(const TIFFField*);
331 
332 typedef int (*TIFFVSetMethod)(TIFF*, uint32_t, va_list);
333 typedef int (*TIFFVGetMethod)(TIFF*, uint32_t, va_list);
334 typedef void (*TIFFPrintMethod)(TIFF*, FILE*, long);
335 
336 typedef struct {
337     TIFFVSetMethod vsetfield; /* tag set routine */
338     TIFFVGetMethod vgetfield; /* tag get routine */
339     TIFFPrintMethod printdir; /* directory print routine */
340 } TIFFTagMethods;
341 
342 extern  TIFFTagMethods *TIFFAccessTagMethods(TIFF *);
343 extern  void *TIFFGetClientInfo(TIFF *, const char *);
344 extern  void TIFFSetClientInfo(TIFF *, void *, const char *);
345 
346 extern void TIFFCleanup(TIFF* tif);
347 extern void TIFFClose(TIFF* tif);
348 extern int TIFFFlush(TIFF* tif);
349 extern int TIFFFlushData(TIFF* tif);
350 extern int TIFFGetField(TIFF* tif, uint32_t tag, ...);
351 extern int TIFFVGetField(TIFF* tif, uint32_t tag, va_list ap);
352 extern int TIFFGetFieldDefaulted(TIFF* tif, uint32_t tag, ...);
353 extern int TIFFVGetFieldDefaulted(TIFF* tif, uint32_t tag, va_list ap);
354 extern int TIFFReadDirectory(TIFF* tif);
355 extern int TIFFReadCustomDirectory(TIFF* tif, toff_t diroff, const TIFFFieldArray* infoarray);
356 extern int TIFFReadEXIFDirectory(TIFF* tif, toff_t diroff);
357 extern int TIFFReadGPSDirectory(TIFF* tif, toff_t diroff);
358 extern uint64_t TIFFScanlineSize64(TIFF* tif);
359 extern tmsize_t TIFFScanlineSize(TIFF* tif);
360 extern uint64_t TIFFRasterScanlineSize64(TIFF* tif);
361 extern tmsize_t TIFFRasterScanlineSize(TIFF* tif);
362 extern uint64_t TIFFStripSize64(TIFF* tif);
363 extern tmsize_t TIFFStripSize(TIFF* tif);
364 extern uint64_t TIFFRawStripSize64(TIFF* tif, uint32_t strip);
365 extern tmsize_t TIFFRawStripSize(TIFF* tif, uint32_t strip);
366 extern uint64_t TIFFVStripSize64(TIFF* tif, uint32_t nrows);
367 extern tmsize_t TIFFVStripSize(TIFF* tif, uint32_t nrows);
368 extern uint64_t TIFFTileRowSize64(TIFF* tif);
369 extern tmsize_t TIFFTileRowSize(TIFF* tif);
370 extern uint64_t TIFFTileSize64(TIFF* tif);
371 extern tmsize_t TIFFTileSize(TIFF* tif);
372 extern uint64_t TIFFVTileSize64(TIFF* tif, uint32_t nrows);
373 extern tmsize_t TIFFVTileSize(TIFF* tif, uint32_t nrows);
374 extern uint32_t TIFFDefaultStripSize(TIFF* tif, uint32_t request);
375 extern void TIFFDefaultTileSize(TIFF*, uint32_t*, uint32_t*);
376 extern int TIFFFileno(TIFF*);
377 extern int TIFFSetFileno(TIFF*, int);
378 extern thandle_t TIFFClientdata(TIFF*);
379 extern thandle_t TIFFSetClientdata(TIFF*, thandle_t);
380 extern int TIFFGetMode(TIFF*);
381 extern int TIFFSetMode(TIFF*, int);
382 extern int TIFFIsTiled(TIFF*);
383 extern int TIFFIsByteSwapped(TIFF*);
384 extern int TIFFIsUpSampled(TIFF*);
385 extern int TIFFIsMSB2LSB(TIFF*);
386 extern int TIFFIsBigEndian(TIFF*);
387 extern TIFFReadWriteProc TIFFGetReadProc(TIFF*);
388 extern TIFFReadWriteProc TIFFGetWriteProc(TIFF*);
389 extern TIFFSeekProc TIFFGetSeekProc(TIFF*);
390 extern TIFFCloseProc TIFFGetCloseProc(TIFF*);
391 extern TIFFSizeProc TIFFGetSizeProc(TIFF*);
392 extern TIFFMapFileProc TIFFGetMapFileProc(TIFF*);
393 extern TIFFUnmapFileProc TIFFGetUnmapFileProc(TIFF*);
394 extern uint32_t TIFFCurrentRow(TIFF*);
395 extern uint16_t TIFFCurrentDirectory(TIFF*);
396 extern uint16_t TIFFNumberOfDirectories(TIFF*);
397 extern uint64_t TIFFCurrentDirOffset(TIFF*);
398 extern uint32_t TIFFCurrentStrip(TIFF*);
399 extern uint32_t TIFFCurrentTile(TIFF* tif);
400 extern int TIFFReadBufferSetup(TIFF* tif, void* bp, tmsize_t size);
401 extern int TIFFWriteBufferSetup(TIFF* tif, void* bp, tmsize_t size);
402 extern int TIFFSetupStrips(TIFF *);
403 extern int TIFFWriteCheck(TIFF*, int, const char *);
404 extern void TIFFFreeDirectory(TIFF*);
405 extern int TIFFCreateDirectory(TIFF*);
406 extern int TIFFCreateCustomDirectory(TIFF*,const TIFFFieldArray*);
407 extern int TIFFCreateEXIFDirectory(TIFF*);
408 extern int TIFFCreateGPSDirectory(TIFF*);
409 extern int TIFFLastDirectory(TIFF*);
410 extern int TIFFSetDirectory(TIFF*, uint16_t);
411 extern int TIFFSetSubDirectory(TIFF*, uint64_t);
412 extern int TIFFUnlinkDirectory(TIFF*, uint16_t);
413 extern int TIFFSetField(TIFF*, uint32_t, ...);
414 extern int TIFFVSetField(TIFF*, uint32_t, va_list);
415 extern int TIFFUnsetField(TIFF*, uint32_t);
416 extern int TIFFWriteDirectory(TIFF *);
417 extern int TIFFWriteCustomDirectory(TIFF *, uint64_t *);
418 extern int TIFFCheckpointDirectory(TIFF *);
419 extern int TIFFRewriteDirectory(TIFF *);
420 extern int TIFFDeferStrileArrayWriting(TIFF *);
421 extern int TIFFForceStrileArrayWriting(TIFF* );
422 
423 #if defined(c_plusplus) || defined(__cplusplus)
424 extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0);
425 extern int TIFFReadScanline(TIFF* tif, void* buf, uint32_t row, uint16_t sample = 0);
426 extern int TIFFWriteScanline(TIFF* tif, void* buf, uint32_t row, uint16_t sample = 0);
427 extern int TIFFReadRGBAImage(TIFF*, uint32_t, uint32_t, uint32_t*, int = 0);
428 extern int TIFFReadRGBAImageOriented(TIFF*, uint32_t, uint32_t, uint32_t*,
429     int = ORIENTATION_BOTLEFT, int = 0);
430 #else
431 extern void TIFFPrintDirectory(TIFF*, FILE*, long);
432 extern int TIFFReadScanline(TIFF* tif, void* buf, uint32_t row, uint16_t sample);
433 extern int TIFFWriteScanline(TIFF* tif, void* buf, uint32_t row, uint16_t sample);
434 extern int TIFFReadRGBAImage(TIFF*, uint32_t, uint32_t, uint32_t*, int);
435 extern int TIFFReadRGBAImageOriented(TIFF*, uint32_t, uint32_t, uint32_t*, int, int);
436 #endif
437 
438 extern int TIFFReadRGBAStrip(TIFF*, uint32_t, uint32_t * );
439 extern int TIFFReadRGBATile(TIFF*, uint32_t, uint32_t, uint32_t * );
440 extern int TIFFReadRGBAStripExt(TIFF*, uint32_t, uint32_t *, int stop_on_error );
441 extern int TIFFReadRGBATileExt(TIFF*, uint32_t, uint32_t, uint32_t *, int stop_on_error );
442 extern int TIFFRGBAImageOK(TIFF*, char [1024]);
443 extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]);
444 extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32_t*, uint32_t, uint32_t);
445 extern void TIFFRGBAImageEnd(TIFFRGBAImage*);
446 extern TIFF* TIFFOpen(const char*, const char*);
447 # ifdef __WIN32__
448 extern TIFF* TIFFOpenW(const wchar_t*, const char*);
449 # endif /* __WIN32__ */
450 extern TIFF* TIFFFdOpen(int, const char*, const char*);
451 extern TIFF* TIFFClientOpen(const char*, const char*,
452 	    thandle_t,
453 	    TIFFReadWriteProc, TIFFReadWriteProc,
454 	    TIFFSeekProc, TIFFCloseProc,
455 	    TIFFSizeProc,
456 	    TIFFMapFileProc, TIFFUnmapFileProc);
457 extern const char* TIFFFileName(TIFF*);
458 extern const char* TIFFSetFileName(TIFF*, const char *);
459 extern void TIFFError(const char*, const char*, ...) TIFF_ATTRIBUTE((__format__ (__printf__,2,3)));
460 extern void TIFFErrorExt(thandle_t, const char*, const char*, ...) TIFF_ATTRIBUTE((__format__ (__printf__,3,4)));
461 extern void TIFFWarning(const char*, const char*, ...) TIFF_ATTRIBUTE((__format__ (__printf__,2,3)));
462 extern void TIFFWarningExt(thandle_t, const char*, const char*, ...) TIFF_ATTRIBUTE((__format__ (__printf__,3,4)));
463 extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler);
464 extern TIFFErrorHandlerExt TIFFSetErrorHandlerExt(TIFFErrorHandlerExt);
465 extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler);
466 extern TIFFErrorHandlerExt TIFFSetWarningHandlerExt(TIFFErrorHandlerExt);
467 extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc);
468 extern uint32_t TIFFComputeTile(TIFF* tif, uint32_t x, uint32_t y, uint32_t z, uint16_t s);
469 extern int TIFFCheckTile(TIFF* tif, uint32_t x, uint32_t y, uint32_t z, uint16_t s);
470 extern uint32_t TIFFNumberOfTiles(TIFF*);
471 extern tmsize_t TIFFReadTile(TIFF* tif, void* buf, uint32_t x, uint32_t y, uint32_t z, uint16_t s);
472 extern tmsize_t TIFFWriteTile(TIFF* tif, void* buf, uint32_t x, uint32_t y, uint32_t z, uint16_t s);
473 extern uint32_t TIFFComputeStrip(TIFF*, uint32_t, uint16_t);
474 extern uint32_t TIFFNumberOfStrips(TIFF*);
475 extern tmsize_t TIFFReadEncodedStrip(TIFF* tif, uint32_t strip, void* buf, tmsize_t size);
476 extern tmsize_t TIFFReadRawStrip(TIFF* tif, uint32_t strip, void* buf, tmsize_t size);
477 extern tmsize_t TIFFReadEncodedTile(TIFF* tif, uint32_t tile, void* buf, tmsize_t size);
478 extern tmsize_t TIFFReadRawTile(TIFF* tif, uint32_t tile, void* buf, tmsize_t size);
479 extern int      TIFFReadFromUserBuffer(TIFF* tif, uint32_t strile,
480                                        void* inbuf, tmsize_t insize,
481                                        void* outbuf, tmsize_t outsize);
482 extern tmsize_t TIFFWriteEncodedStrip(TIFF* tif, uint32_t strip, void* data, tmsize_t cc);
483 extern tmsize_t TIFFWriteRawStrip(TIFF* tif, uint32_t strip, void* data, tmsize_t cc);
484 extern tmsize_t TIFFWriteEncodedTile(TIFF* tif, uint32_t tile, void* data, tmsize_t cc);
485 extern tmsize_t TIFFWriteRawTile(TIFF* tif, uint32_t tile, void* data, tmsize_t cc);
486 extern int TIFFDataWidth(TIFFDataType);    /* table of tag datatype widths */
487 extern void TIFFSetWriteOffset(TIFF* tif, toff_t off);
488 extern void TIFFSwabShort(uint16_t*);
489 extern void TIFFSwabLong(uint32_t*);
490 extern void TIFFSwabLong8(uint64_t*);
491 extern void TIFFSwabFloat(float*);
492 extern void TIFFSwabDouble(double*);
493 extern void TIFFSwabArrayOfShort(uint16_t* wp, tmsize_t n);
494 extern void TIFFSwabArrayOfTriples(uint8_t* tp, tmsize_t n);
495 extern void TIFFSwabArrayOfLong(uint32_t* lp, tmsize_t n);
496 extern void TIFFSwabArrayOfLong8(uint64_t* lp, tmsize_t n);
497 extern void TIFFSwabArrayOfFloat(float* fp, tmsize_t n);
498 extern void TIFFSwabArrayOfDouble(double* dp, tmsize_t n);
499 extern void TIFFReverseBits(uint8_t* cp, tmsize_t n);
500 extern const unsigned char* TIFFGetBitRevTable(int);
501 
502 extern uint64_t TIFFGetStrileOffset(TIFF *tif, uint32_t strile);
503 extern uint64_t TIFFGetStrileByteCount(TIFF *tif, uint32_t strile);
504 extern uint64_t TIFFGetStrileOffsetWithErr(TIFF *tif, uint32_t strile, int *pbErr);
505 extern uint64_t TIFFGetStrileByteCountWithErr(TIFF *tif, uint32_t strile, int *pbErr);
506 
507 #ifdef LOGLUV_PUBLIC
508 #define U_NEU		0.210526316
509 #define V_NEU		0.473684211
510 #define UVSCALE		410.
511 extern double LogL16toY(int);
512 extern double LogL10toY(int);
513 extern void XYZtoRGB24(float*, uint8_t*);
514 extern int uv_decode(double*, double*, int);
515 extern void LogLuv24toXYZ(uint32_t, float*);
516 extern void LogLuv32toXYZ(uint32_t, float*);
517 #if defined(c_plusplus) || defined(__cplusplus)
518 extern int LogL16fromY(double, int = SGILOGENCODE_NODITHER);
519 extern int LogL10fromY(double, int = SGILOGENCODE_NODITHER);
520 extern int uv_encode(double, double, int = SGILOGENCODE_NODITHER);
521 extern uint32_t LogLuv24fromXYZ(float*, int = SGILOGENCODE_NODITHER);
522 extern uint32_t LogLuv32fromXYZ(float*, int = SGILOGENCODE_NODITHER);
523 #else
524 extern int LogL16fromY(double, int);
525 extern int LogL10fromY(double, int);
526 extern int uv_encode(double, double, int);
527 extern uint32_t LogLuv24fromXYZ(float*, int);
528 extern uint32_t LogLuv32fromXYZ(float*, int);
529 #endif
530 #endif /* LOGLUV_PUBLIC */
531 
532 extern int TIFFCIELabToRGBInit(TIFFCIELabToRGB*, const TIFFDisplay *, float*);
533 extern void TIFFCIELabToXYZ(TIFFCIELabToRGB *, uint32_t, int32_t, int32_t,
534                             float *, float *, float *);
535 extern void TIFFXYZToRGB(TIFFCIELabToRGB *, float, float, float,
536                          uint32_t *, uint32_t *, uint32_t *);
537 
538 extern int TIFFYCbCrToRGBInit(TIFFYCbCrToRGB*, float*, float*);
539 extern void TIFFYCbCrtoRGB(TIFFYCbCrToRGB *, uint32_t, int32_t, int32_t,
540                            uint32_t *, uint32_t *, uint32_t *);
541 
542 /****************************************************************************
543  *               O B S O L E T E D    I N T E R F A C E S
544  *
545  * Don't use this stuff in your applications, it may be removed in the future
546  * libtiff versions.
547  ****************************************************************************/
548 typedef	struct {
549 	ttag_t	field_tag;		/* field's tag */
550 	short	field_readcount;	/* read count/TIFF_VARIABLE/TIFF_SPP */
551 	short	field_writecount;	/* write count/TIFF_VARIABLE */
552 	TIFFDataType field_type;	/* type of associated data */
553         unsigned short field_bit;	/* bit in fieldsset bit vector */
554 	unsigned char field_oktochange;	/* if true, can change while writing */
555 	unsigned char field_passcount;	/* if true, pass dir count on set */
556 	char	*field_name;		/* ASCII name */
557 } TIFFFieldInfo;
558 
559 extern int TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], uint32_t);
560 
561 #if defined(c_plusplus) || defined(__cplusplus)
562 }
563 #endif
564 
565 #endif /* _TIFFIO_ */
566 
567 /* vim: set ts=8 sts=8 sw=8 noet: */
568 /*
569  * Local Variables:
570  * mode: c
571  * c-basic-offset: 8
572  * fill-column: 78
573  * End:
574  */
575