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  1. /* $Id: tiffio.h,v 1.86 2010-03-10 18:56:49 bfriesen 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_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 d_Vrwr;                            /* Pixel values for ref. white */
  146.         uint32 d_Vrwg;
  147.         uint32 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* 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 associated 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.  
  302. /*
  303. ** Stuff, related to tag handling and creating custom tags.
  304. */
  305. extern int TIFFGetTagListCount( TIFF * );
  306. extern uint32 TIFFGetTagListEntry( TIFF *, int tag_index );
  307.    
  308. #define TIFF_ANY       TIFF_NOTYPE     /* for field descriptor searching */
  309. #define TIFF_VARIABLE  -1              /* marker for variable length tags */
  310. #define TIFF_SPP       -2              /* marker for SamplesPerPixel tags */
  311. #define TIFF_VARIABLE2 -3              /* marker for uint32 var-length tags */
  312.  
  313. #define FIELD_CUSTOM    65
  314.  
  315. typedef struct _TIFFField TIFFField;
  316. typedef struct _TIFFFieldArray TIFFFieldArray;
  317.  
  318. extern const TIFFField* TIFFFindField(TIFF *, uint32, TIFFDataType);
  319. extern const TIFFField* TIFFFieldWithTag(TIFF*, uint32);
  320. extern const TIFFField* TIFFFieldWithName(TIFF*, const char *);
  321.  
  322. typedef int (*TIFFVSetMethod)(TIFF*, uint32, va_list);
  323. typedef int (*TIFFVGetMethod)(TIFF*, uint32, va_list);
  324. typedef void (*TIFFPrintMethod)(TIFF*, FILE*, long);
  325.  
  326. typedef struct {
  327.     TIFFVSetMethod vsetfield; /* tag set routine */
  328.     TIFFVGetMethod vgetfield; /* tag get routine */
  329.     TIFFPrintMethod printdir; /* directory print routine */
  330. } TIFFTagMethods;
  331.  
  332. extern  TIFFTagMethods *TIFFAccessTagMethods(TIFF *);
  333. extern  void *TIFFGetClientInfo(TIFF *, const char *);
  334. extern  void TIFFSetClientInfo(TIFF *, void *, const char *);
  335.  
  336. extern void TIFFCleanup(TIFF* tif);
  337. extern void TIFFClose(TIFF* tif);
  338. extern int TIFFFlush(TIFF* tif);
  339. extern int TIFFFlushData(TIFF* tif);
  340. extern int TIFFGetField(TIFF* tif, uint32 tag, ...);
  341. extern int TIFFVGetField(TIFF* tif, uint32 tag, va_list ap);
  342. extern int TIFFGetFieldDefaulted(TIFF* tif, uint32 tag, ...);
  343. extern int TIFFVGetFieldDefaulted(TIFF* tif, uint32 tag, va_list ap);
  344. extern int TIFFReadDirectory(TIFF* tif);
  345. extern int TIFFReadCustomDirectory(TIFF* tif, toff_t diroff, const TIFFFieldArray* infoarray);
  346. extern int TIFFReadEXIFDirectory(TIFF* tif, toff_t diroff);
  347. extern uint64 TIFFScanlineSize64(TIFF* tif);
  348. extern tmsize_t TIFFScanlineSize(TIFF* tif);
  349. extern uint64 TIFFRasterScanlineSize64(TIFF* tif);
  350. extern tmsize_t TIFFRasterScanlineSize(TIFF* tif);
  351. extern uint64 TIFFStripSize64(TIFF* tif);
  352. extern tmsize_t TIFFStripSize(TIFF* tif);
  353. extern uint64 TIFFRawStripSize64(TIFF* tif, uint32 strip);
  354. extern tmsize_t TIFFRawStripSize(TIFF* tif, uint32 strip);
  355. extern uint64 TIFFVStripSize64(TIFF* tif, uint32 nrows);
  356. extern tmsize_t TIFFVStripSize(TIFF* tif, uint32 nrows);
  357. extern uint64 TIFFTileRowSize64(TIFF* tif);
  358. extern tmsize_t TIFFTileRowSize(TIFF* tif);
  359. extern uint64 TIFFTileSize64(TIFF* tif);
  360. extern tmsize_t TIFFTileSize(TIFF* tif);
  361. extern uint64 TIFFVTileSize64(TIFF* tif, uint32 nrows);
  362. extern tmsize_t TIFFVTileSize(TIFF* tif, uint32 nrows);
  363. extern uint32 TIFFDefaultStripSize(TIFF* tif, uint32 request);
  364. extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*);
  365. extern int TIFFFileno(TIFF*);
  366. extern int TIFFSetFileno(TIFF*, int);
  367. extern thandle_t TIFFClientdata(TIFF*);
  368. extern thandle_t TIFFSetClientdata(TIFF*, thandle_t);
  369. extern int TIFFGetMode(TIFF*);
  370. extern int TIFFSetMode(TIFF*, int);
  371. extern int TIFFIsTiled(TIFF*);
  372. extern int TIFFIsByteSwapped(TIFF*);
  373. extern int TIFFIsUpSampled(TIFF*);
  374. extern int TIFFIsMSB2LSB(TIFF*);
  375. extern int TIFFIsBigEndian(TIFF*);
  376. extern TIFFReadWriteProc TIFFGetReadProc(TIFF*);
  377. extern TIFFReadWriteProc TIFFGetWriteProc(TIFF*);
  378. extern TIFFSeekProc TIFFGetSeekProc(TIFF*);                                                          
  379. extern TIFFCloseProc TIFFGetCloseProc(TIFF*);
  380. extern TIFFSizeProc TIFFGetSizeProc(TIFF*);
  381. extern TIFFMapFileProc TIFFGetMapFileProc(TIFF*);
  382. extern TIFFUnmapFileProc TIFFGetUnmapFileProc(TIFF*);
  383. extern uint32 TIFFCurrentRow(TIFF*);
  384. extern uint16 TIFFCurrentDirectory(TIFF*);
  385. extern uint16 TIFFNumberOfDirectories(TIFF*);
  386. extern uint64 TIFFCurrentDirOffset(TIFF*);
  387. extern uint32 TIFFCurrentStrip(TIFF*);
  388. extern uint32 TIFFCurrentTile(TIFF* tif);
  389. extern int TIFFReadBufferSetup(TIFF* tif, void* bp, tmsize_t size);
  390. extern int TIFFWriteBufferSetup(TIFF* tif, void* bp, tmsize_t size);  
  391. extern int TIFFSetupStrips(TIFF *);
  392. extern int TIFFWriteCheck(TIFF*, int, const char *);
  393. extern void TIFFFreeDirectory(TIFF*);
  394. extern int TIFFCreateDirectory(TIFF*);
  395. extern int TIFFLastDirectory(TIFF*);
  396. extern int TIFFSetDirectory(TIFF*, uint16);
  397. extern int TIFFSetSubDirectory(TIFF*, uint64);
  398. extern int TIFFUnlinkDirectory(TIFF*, uint16);
  399. extern int TIFFSetField(TIFF*, uint32, ...);
  400. extern int TIFFVSetField(TIFF*, uint32, va_list);
  401. extern int TIFFUnsetField(TIFF*, uint32);
  402. extern int TIFFWriteDirectory(TIFF *);
  403. extern int TIFFCheckpointDirectory(TIFF *);
  404. extern int TIFFRewriteDirectory(TIFF *);
  405.  
  406. #if defined(c_plusplus) || defined(__cplusplus)
  407. extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0);
  408. extern int TIFFReadScanline(TIFF* tif, void* buf, uint32 row, uint16 sample = 0);
  409. extern int TIFFWriteScanline(TIFF* tif, void* buf, uint32 row, uint16 sample = 0);
  410. extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0);
  411. extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*,
  412.     int = ORIENTATION_BOTLEFT, int = 0);
  413. #else
  414. extern void TIFFPrintDirectory(TIFF*, FILE*, long);
  415. extern int TIFFReadScanline(TIFF* tif, void* buf, uint32 row, uint16 sample);
  416. extern int TIFFWriteScanline(TIFF* tif, void* buf, uint32 row, uint16 sample);
  417. extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int);
  418. extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, int, int);
  419. #endif
  420.  
  421. extern int TIFFReadRGBAStrip(TIFF*, uint32, uint32 * );
  422. extern int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * );
  423. extern int TIFFRGBAImageOK(TIFF*, char [1024]);
  424. extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]);
  425. extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32);
  426. extern void TIFFRGBAImageEnd(TIFFRGBAImage*);
  427. extern TIFF* TIFFOpen(const char*, const char*);
  428. # ifdef __WIN32__
  429. extern TIFF* TIFFOpenW(const wchar_t*, const char*);
  430. # endif /* __WIN32__ */
  431. extern TIFF* TIFFFdOpen(int, const char*, const char*);
  432. extern TIFF* TIFFClientOpen(const char*, const char*,
  433.             thandle_t,
  434.             TIFFReadWriteProc, TIFFReadWriteProc,
  435.             TIFFSeekProc, TIFFCloseProc,
  436.             TIFFSizeProc,
  437.             TIFFMapFileProc, TIFFUnmapFileProc);
  438. extern const char* TIFFFileName(TIFF*);
  439. extern const char* TIFFSetFileName(TIFF*, const char *);
  440. extern void TIFFError(const char*, const char*, ...) __attribute__((format (printf,2,3)));
  441. extern void TIFFErrorExt(thandle_t, const char*, const char*, ...) __attribute__((format (printf,3,4)));
  442. extern void TIFFWarning(const char*, const char*, ...) __attribute__((format (printf,2,3)));
  443. extern void TIFFWarningExt(thandle_t, const char*, const char*, ...) __attribute__((format (printf,3,4)));
  444. extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler);
  445. extern TIFFErrorHandlerExt TIFFSetErrorHandlerExt(TIFFErrorHandlerExt);
  446. extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler);
  447. extern TIFFErrorHandlerExt TIFFSetWarningHandlerExt(TIFFErrorHandlerExt);
  448. extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc);
  449. extern uint32 TIFFComputeTile(TIFF* tif, uint32 x, uint32 y, uint32 z, uint16 s);
  450. extern int TIFFCheckTile(TIFF* tif, uint32 x, uint32 y, uint32 z, uint16 s);
  451. extern uint32 TIFFNumberOfTiles(TIFF*);
  452. extern tmsize_t TIFFReadTile(TIFF* tif, void* buf, uint32 x, uint32 y, uint32 z, uint16 s);  
  453. extern tmsize_t TIFFWriteTile(TIFF* tif, void* buf, uint32 x, uint32 y, uint32 z, uint16 s);
  454. extern uint32 TIFFComputeStrip(TIFF*, uint32, uint16);
  455. extern uint32 TIFFNumberOfStrips(TIFF*);
  456. extern tmsize_t TIFFReadEncodedStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size);
  457. extern tmsize_t TIFFReadRawStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size);  
  458. extern tmsize_t TIFFReadEncodedTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size);  
  459. extern tmsize_t TIFFReadRawTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size);  
  460. extern tmsize_t TIFFWriteEncodedStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc);
  461. extern tmsize_t TIFFWriteRawStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc);  
  462. extern tmsize_t TIFFWriteEncodedTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc);  
  463. extern tmsize_t TIFFWriteRawTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc);  
  464. extern int TIFFDataWidth(TIFFDataType);    /* table of tag datatype widths */
  465. extern void TIFFSetWriteOffset(TIFF* tif, toff_t off);
  466. extern void TIFFSwabShort(uint16*);
  467. extern void TIFFSwabLong(uint32*);
  468. extern void TIFFSwabLong8(uint64*);
  469. extern void TIFFSwabFloat(float*);
  470. extern void TIFFSwabDouble(double*);
  471. extern void TIFFSwabArrayOfShort(uint16* wp, tmsize_t n);
  472. extern void TIFFSwabArrayOfTriples(uint8* tp, tmsize_t n);
  473. extern void TIFFSwabArrayOfLong(uint32* lp, tmsize_t n);
  474. extern void TIFFSwabArrayOfLong8(uint64* lp, tmsize_t n);
  475. extern void TIFFSwabArrayOfFloat(float* fp, tmsize_t n);
  476. extern void TIFFSwabArrayOfDouble(double* dp, tmsize_t n);
  477. extern void TIFFReverseBits(uint8* cp, tmsize_t n);
  478. extern const unsigned char* TIFFGetBitRevTable(int);
  479.  
  480. #ifdef LOGLUV_PUBLIC
  481. #define U_NEU           0.210526316
  482. #define V_NEU           0.473684211
  483. #define UVSCALE         410.
  484. extern double LogL16toY(int);
  485. extern double LogL10toY(int);
  486. extern void XYZtoRGB24(float*, uint8*);
  487. extern int uv_decode(double*, double*, int);
  488. extern void LogLuv24toXYZ(uint32, float*);
  489. extern void LogLuv32toXYZ(uint32, float*);
  490. #if defined(c_plusplus) || defined(__cplusplus)
  491. extern int LogL16fromY(double, int = SGILOGENCODE_NODITHER);
  492. extern int LogL10fromY(double, int = SGILOGENCODE_NODITHER);
  493. extern int uv_encode(double, double, int = SGILOGENCODE_NODITHER);
  494. extern uint32 LogLuv24fromXYZ(float*, int = SGILOGENCODE_NODITHER);
  495. extern uint32 LogLuv32fromXYZ(float*, int = SGILOGENCODE_NODITHER);
  496. #else
  497. extern int LogL16fromY(double, int);
  498. extern int LogL10fromY(double, int);
  499. extern int uv_encode(double, double, int);
  500. extern uint32 LogLuv24fromXYZ(float*, int);
  501. extern uint32 LogLuv32fromXYZ(float*, int);
  502. #endif
  503. #endif /* LOGLUV_PUBLIC */
  504.  
  505. extern int TIFFCIELabToRGBInit(TIFFCIELabToRGB*, const TIFFDisplay *, float*);
  506. extern void TIFFCIELabToXYZ(TIFFCIELabToRGB *, uint32, int32, int32,
  507.     float *, float *, float *);
  508. extern void TIFFXYZToRGB(TIFFCIELabToRGB *, float, float, float,
  509.     uint32 *, uint32 *, uint32 *);
  510.  
  511. extern int TIFFYCbCrToRGBInit(TIFFYCbCrToRGB*, float*, float*);
  512. extern void TIFFYCbCrtoRGB(TIFFYCbCrToRGB *, uint32, int32, int32,
  513.     uint32 *, uint32 *, uint32 *);
  514.  
  515. /****************************************************************************
  516.  *               O B S O L E T E D    I N T E R F A C E S
  517.  *
  518.  * Don't use this stuff in your applications, it may be removed in the future
  519.  * libtiff versions.
  520.  ****************************************************************************/
  521. typedef struct {
  522.         ttag_t  field_tag;              /* field's tag */
  523.         short   field_readcount;        /* read count/TIFF_VARIABLE/TIFF_SPP */
  524.         short   field_writecount;       /* write count/TIFF_VARIABLE */
  525.         TIFFDataType field_type;        /* type of associated data */
  526.         unsigned short field_bit;       /* bit in fieldsset bit vector */
  527.         unsigned char field_oktochange; /* if true, can change while writing */
  528.         unsigned char field_passcount;  /* if true, pass dir count on set */
  529.         char    *field_name;            /* ASCII name */
  530. } TIFFFieldInfo;
  531.  
  532. extern int TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], uint32);
  533. extern const TIFFFieldInfo* TIFFFindFieldInfo(TIFF*, uint32, TIFFDataType);
  534. extern const TIFFFieldInfo* TIFFFindFieldInfoByName(TIFF* , const char *,
  535.                                                     TIFFDataType);
  536.  
  537. #if defined(c_plusplus) || defined(__cplusplus)
  538. }
  539. #endif
  540.  
  541. #endif /* _TIFFIO_ */
  542.  
  543. /* vim: set ts=8 sts=8 sw=8 noet: */
  544. /*
  545.  * Local Variables:
  546.  * mode: c
  547.  * c-basic-offset: 8
  548.  * fill-column: 78
  549.  * End:
  550.  */
  551.