tiffio.h revision ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4
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 */ 40typedef 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 */ 67typedef TIFF_SSIZE_T tmsize_t; 68typedef uint64 toff_t; /* file offset */ 69/* the following are deprecated and should be replaced by their defining 70 counterparts */ 71typedef uint32 ttag_t; /* directory tag */ 72typedef uint16 tdir_t; /* directory index */ 73typedef uint16 tsample_t; /* sample number */ 74typedef uint32 tstrile_t; /* strip or tile number */ 75typedef tstrile_t tstrip_t; /* strip number */ 76typedef tstrile_t ttile_t; /* tile number */ 77typedef tmsize_t tsize_t; /* i/o size in bytes */ 78typedef 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__ 101DECLARE_HANDLE(thandle_t); /* Win32 file handle */ 102# else 103typedef HFILE thandle_t; /* client data handle */ 104# endif /* __WIN32__ */ 105#else 106typedef 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 138typedef unsigned char TIFFRGBValue; /* 8-bit samples */ 139 140typedef 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 156typedef 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 165typedef 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 */ 179typedef 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 */ 190typedef void (*tileContigRoutine) 191 (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32, 192 unsigned char*); 193typedef 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 */ 199struct _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 */ 251typedef int (*TIFFInitMethod)(TIFF*, int); 252typedef 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) 271extern "C" { 272#endif 273typedef void (*TIFFErrorHandler)(const char*, const char*, va_list); 274typedef void (*TIFFErrorHandlerExt)(thandle_t, const char*, const char*, va_list); 275typedef tmsize_t (*TIFFReadWriteProc)(thandle_t, void*, tmsize_t); 276typedef toff_t (*TIFFSeekProc)(thandle_t, toff_t, int); 277typedef int (*TIFFCloseProc)(thandle_t); 278typedef toff_t (*TIFFSizeProc)(thandle_t); 279typedef int (*TIFFMapFileProc)(thandle_t, void** base, toff_t* size); 280typedef void (*TIFFUnmapFileProc)(thandle_t, void* base, toff_t size); 281typedef void (*TIFFExtendProc)(TIFF*); 282 283extern const char* TIFFGetVersion(void); 284 285extern const TIFFCodec* TIFFFindCODEC(uint16); 286extern TIFFCodec* TIFFRegisterCODEC(uint16, const char*, TIFFInitMethod); 287extern void TIFFUnRegisterCODEC(TIFFCodec*); 288extern int TIFFIsCODECConfigured(uint16); 289extern TIFFCodec* TIFFGetConfiguredCODECs(void); 290 291/* 292 * Auxiliary functions. 293 */ 294 295extern void* _TIFFmalloc(tmsize_t s); 296extern void* _TIFFrealloc(void* p, tmsize_t s); 297extern void _TIFFmemset(void* p, int v, tmsize_t c); 298extern void _TIFFmemcpy(void* d, const void* s, tmsize_t c); 299extern int _TIFFmemcmp(const void* p1, const void* p2, tmsize_t c); 300extern void _TIFFfree(void* p); 301 302/* 303** Stuff, related to tag handling and creating custom tags. 304*/ 305extern int TIFFGetTagListCount( TIFF * ); 306extern 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 315typedef struct _TIFFField TIFFField; 316typedef struct _TIFFFieldArray TIFFFieldArray; 317 318extern const TIFFField* TIFFFindField(TIFF *, uint32, TIFFDataType); 319extern const TIFFField* TIFFFieldWithTag(TIFF*, uint32); 320extern const TIFFField* TIFFFieldWithName(TIFF*, const char *); 321 322extern uint32 TIFFFieldTag(const TIFFField*); 323extern const char* TIFFFieldName(const TIFFField*); 324extern TIFFDataType TIFFFieldDataType(const TIFFField*); 325extern int TIFFFieldPassCount(const TIFFField*); 326extern int TIFFFieldReadCount(const TIFFField*); 327extern int TIFFFieldWriteCount(const TIFFField*); 328 329typedef int (*TIFFVSetMethod)(TIFF*, uint32, va_list); 330typedef int (*TIFFVGetMethod)(TIFF*, uint32, va_list); 331typedef void (*TIFFPrintMethod)(TIFF*, FILE*, long); 332 333typedef struct { 334 TIFFVSetMethod vsetfield; /* tag set routine */ 335 TIFFVGetMethod vgetfield; /* tag get routine */ 336 TIFFPrintMethod printdir; /* directory print routine */ 337} TIFFTagMethods; 338 339extern TIFFTagMethods *TIFFAccessTagMethods(TIFF *); 340extern void *TIFFGetClientInfo(TIFF *, const char *); 341extern void TIFFSetClientInfo(TIFF *, void *, const char *); 342 343extern void TIFFCleanup(TIFF* tif); 344extern void TIFFClose(TIFF* tif); 345extern int TIFFFlush(TIFF* tif); 346extern int TIFFFlushData(TIFF* tif); 347extern int TIFFGetField(TIFF* tif, uint32 tag, ...); 348extern int TIFFVGetField(TIFF* tif, uint32 tag, va_list ap); 349extern int TIFFGetFieldDefaulted(TIFF* tif, uint32 tag, ...); 350extern int TIFFVGetFieldDefaulted(TIFF* tif, uint32 tag, va_list ap); 351extern int TIFFReadDirectory(TIFF* tif); 352extern int TIFFReadCustomDirectory(TIFF* tif, toff_t diroff, const TIFFFieldArray* infoarray); 353extern int TIFFReadEXIFDirectory(TIFF* tif, toff_t diroff); 354extern uint64 TIFFScanlineSize64(TIFF* tif); 355extern tmsize_t TIFFScanlineSize(TIFF* tif); 356extern uint64 TIFFRasterScanlineSize64(TIFF* tif); 357extern tmsize_t TIFFRasterScanlineSize(TIFF* tif); 358extern uint64 TIFFStripSize64(TIFF* tif); 359extern tmsize_t TIFFStripSize(TIFF* tif); 360extern uint64 TIFFRawStripSize64(TIFF* tif, uint32 strip); 361extern tmsize_t TIFFRawStripSize(TIFF* tif, uint32 strip); 362extern uint64 TIFFVStripSize64(TIFF* tif, uint32 nrows); 363extern tmsize_t TIFFVStripSize(TIFF* tif, uint32 nrows); 364extern uint64 TIFFTileRowSize64(TIFF* tif); 365extern tmsize_t TIFFTileRowSize(TIFF* tif); 366extern uint64 TIFFTileSize64(TIFF* tif); 367extern tmsize_t TIFFTileSize(TIFF* tif); 368extern uint64 TIFFVTileSize64(TIFF* tif, uint32 nrows); 369extern tmsize_t TIFFVTileSize(TIFF* tif, uint32 nrows); 370extern uint32 TIFFDefaultStripSize(TIFF* tif, uint32 request); 371extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*); 372extern int TIFFFileno(TIFF*); 373extern int TIFFSetFileno(TIFF*, int); 374extern thandle_t TIFFClientdata(TIFF*); 375extern thandle_t TIFFSetClientdata(TIFF*, thandle_t); 376extern int TIFFGetMode(TIFF*); 377extern int TIFFSetMode(TIFF*, int); 378extern int TIFFIsTiled(TIFF*); 379extern int TIFFIsByteSwapped(TIFF*); 380extern int TIFFIsUpSampled(TIFF*); 381extern int TIFFIsMSB2LSB(TIFF*); 382extern int TIFFIsBigEndian(TIFF*); 383extern TIFFReadWriteProc TIFFGetReadProc(TIFF*); 384extern TIFFReadWriteProc TIFFGetWriteProc(TIFF*); 385extern TIFFSeekProc TIFFGetSeekProc(TIFF*); 386extern TIFFCloseProc TIFFGetCloseProc(TIFF*); 387extern TIFFSizeProc TIFFGetSizeProc(TIFF*); 388extern TIFFMapFileProc TIFFGetMapFileProc(TIFF*); 389extern TIFFUnmapFileProc TIFFGetUnmapFileProc(TIFF*); 390extern uint32 TIFFCurrentRow(TIFF*); 391extern uint16 TIFFCurrentDirectory(TIFF*); 392extern uint16 TIFFNumberOfDirectories(TIFF*); 393extern uint64 TIFFCurrentDirOffset(TIFF*); 394extern uint32 TIFFCurrentStrip(TIFF*); 395extern uint32 TIFFCurrentTile(TIFF* tif); 396extern int TIFFReadBufferSetup(TIFF* tif, void* bp, tmsize_t size); 397extern int TIFFWriteBufferSetup(TIFF* tif, void* bp, tmsize_t size); 398extern int TIFFSetupStrips(TIFF *); 399extern int TIFFWriteCheck(TIFF*, int, const char *); 400extern void TIFFFreeDirectory(TIFF*); 401extern int TIFFCreateDirectory(TIFF*); 402extern int TIFFCreateCustomDirectory(TIFF*,const TIFFFieldArray*); 403extern int TIFFCreateEXIFDirectory(TIFF*); 404extern int TIFFLastDirectory(TIFF*); 405extern int TIFFSetDirectory(TIFF*, uint16); 406extern int TIFFSetSubDirectory(TIFF*, uint64); 407extern int TIFFUnlinkDirectory(TIFF*, uint16); 408extern int TIFFSetField(TIFF*, uint32, ...); 409extern int TIFFVSetField(TIFF*, uint32, va_list); 410extern int TIFFUnsetField(TIFF*, uint32); 411extern int TIFFWriteDirectory(TIFF *); 412extern int TIFFWriteCustomDirectory(TIFF *, uint64 *); 413extern int TIFFCheckpointDirectory(TIFF *); 414extern int TIFFRewriteDirectory(TIFF *); 415 416#if defined(c_plusplus) || defined(__cplusplus) 417extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0); 418extern int TIFFReadScanline(TIFF* tif, void* buf, uint32 row, uint16 sample = 0); 419extern int TIFFWriteScanline(TIFF* tif, void* buf, uint32 row, uint16 sample = 0); 420extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0); 421extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, 422 int = ORIENTATION_BOTLEFT, int = 0); 423#else 424extern void TIFFPrintDirectory(TIFF*, FILE*, long); 425extern int TIFFReadScanline(TIFF* tif, void* buf, uint32 row, uint16 sample); 426extern int TIFFWriteScanline(TIFF* tif, void* buf, uint32 row, uint16 sample); 427extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int); 428extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, int, int); 429#endif 430 431extern int TIFFReadRGBAStrip(TIFF*, uint32, uint32 * ); 432extern int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * ); 433extern int TIFFRGBAImageOK(TIFF*, char [1024]); 434extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]); 435extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32); 436extern void TIFFRGBAImageEnd(TIFFRGBAImage*); 437extern TIFF* TIFFOpen(const char*, const char*); 438# ifdef __WIN32__ 439extern TIFF* TIFFOpenW(const wchar_t*, const char*); 440# endif /* __WIN32__ */ 441extern TIFF* TIFFFdOpen(int, const char*, const char*); 442extern TIFF* TIFFClientOpen(const char*, const char*, 443 thandle_t, 444 TIFFReadWriteProc, TIFFReadWriteProc, 445 TIFFSeekProc, TIFFCloseProc, 446 TIFFSizeProc, 447 TIFFMapFileProc, TIFFUnmapFileProc); 448extern const char* TIFFFileName(TIFF*); 449extern const char* TIFFSetFileName(TIFF*, const char *); 450extern void TIFFError(const char*, const char*, ...) __attribute__((__format__ (__printf__,2,3))); 451extern void TIFFErrorExt(thandle_t, const char*, const char*, ...) __attribute__((__format__ (__printf__,3,4))); 452extern void TIFFWarning(const char*, const char*, ...) __attribute__((__format__ (__printf__,2,3))); 453extern void TIFFWarningExt(thandle_t, const char*, const char*, ...) __attribute__((__format__ (__printf__,3,4))); 454extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler); 455extern TIFFErrorHandlerExt TIFFSetErrorHandlerExt(TIFFErrorHandlerExt); 456extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler); 457extern TIFFErrorHandlerExt TIFFSetWarningHandlerExt(TIFFErrorHandlerExt); 458extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc); 459extern uint32 TIFFComputeTile(TIFF* tif, uint32 x, uint32 y, uint32 z, uint16 s); 460extern int TIFFCheckTile(TIFF* tif, uint32 x, uint32 y, uint32 z, uint16 s); 461extern uint32 TIFFNumberOfTiles(TIFF*); 462extern tmsize_t TIFFReadTile(TIFF* tif, void* buf, uint32 x, uint32 y, uint32 z, uint16 s); 463extern tmsize_t TIFFWriteTile(TIFF* tif, void* buf, uint32 x, uint32 y, uint32 z, uint16 s); 464extern uint32 TIFFComputeStrip(TIFF*, uint32, uint16); 465extern uint32 TIFFNumberOfStrips(TIFF*); 466extern tmsize_t TIFFReadEncodedStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size); 467extern tmsize_t TIFFReadRawStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size); 468extern tmsize_t TIFFReadEncodedTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size); 469extern tmsize_t TIFFReadRawTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size); 470extern tmsize_t TIFFWriteEncodedStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc); 471extern tmsize_t TIFFWriteRawStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc); 472extern tmsize_t TIFFWriteEncodedTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc); 473extern tmsize_t TIFFWriteRawTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc); 474extern int TIFFDataWidth(TIFFDataType); /* table of tag datatype widths */ 475extern void TIFFSetWriteOffset(TIFF* tif, toff_t off); 476extern void TIFFSwabShort(uint16*); 477extern void TIFFSwabLong(uint32*); 478extern void TIFFSwabLong8(uint64*); 479extern void TIFFSwabFloat(float*); 480extern void TIFFSwabDouble(double*); 481extern void TIFFSwabArrayOfShort(uint16* wp, tmsize_t n); 482extern void TIFFSwabArrayOfTriples(uint8* tp, tmsize_t n); 483extern void TIFFSwabArrayOfLong(uint32* lp, tmsize_t n); 484extern void TIFFSwabArrayOfLong8(uint64* lp, tmsize_t n); 485extern void TIFFSwabArrayOfFloat(float* fp, tmsize_t n); 486extern void TIFFSwabArrayOfDouble(double* dp, tmsize_t n); 487extern void TIFFReverseBits(uint8* cp, tmsize_t n); 488extern const unsigned char* TIFFGetBitRevTable(int); 489 490#ifdef LOGLUV_PUBLIC 491#define U_NEU 0.210526316 492#define V_NEU 0.473684211 493#define UVSCALE 410. 494extern double LogL16toY(int); 495extern double LogL10toY(int); 496extern void XYZtoRGB24(float*, uint8*); 497extern int uv_decode(double*, double*, int); 498extern void LogLuv24toXYZ(uint32, float*); 499extern void LogLuv32toXYZ(uint32, float*); 500#if defined(c_plusplus) || defined(__cplusplus) 501extern int LogL16fromY(double, int = SGILOGENCODE_NODITHER); 502extern int LogL10fromY(double, int = SGILOGENCODE_NODITHER); 503extern int uv_encode(double, double, int = SGILOGENCODE_NODITHER); 504extern uint32 LogLuv24fromXYZ(float*, int = SGILOGENCODE_NODITHER); 505extern uint32 LogLuv32fromXYZ(float*, int = SGILOGENCODE_NODITHER); 506#else 507extern int LogL16fromY(double, int); 508extern int LogL10fromY(double, int); 509extern int uv_encode(double, double, int); 510extern uint32 LogLuv24fromXYZ(float*, int); 511extern uint32 LogLuv32fromXYZ(float*, int); 512#endif 513#endif /* LOGLUV_PUBLIC */ 514 515extern int TIFFCIELabToRGBInit(TIFFCIELabToRGB*, const TIFFDisplay *, float*); 516extern void TIFFCIELabToXYZ(TIFFCIELabToRGB *, uint32, int32, int32, 517 float *, float *, float *); 518extern void TIFFXYZToRGB(TIFFCIELabToRGB *, float, float, float, 519 uint32 *, uint32 *, uint32 *); 520 521extern int TIFFYCbCrToRGBInit(TIFFYCbCrToRGB*, float*, float*); 522extern void TIFFYCbCrtoRGB(TIFFYCbCrToRGB *, uint32, int32, int32, 523 uint32 *, uint32 *, uint32 *); 524 525/**************************************************************************** 526 * O B S O L E T E D I N T E R F A C E S 527 * 528 * Don't use this stuff in your applications, it may be removed in the future 529 * libtiff versions. 530 ****************************************************************************/ 531typedef struct { 532 ttag_t field_tag; /* field's tag */ 533 short field_readcount; /* read count/TIFF_VARIABLE/TIFF_SPP */ 534 short field_writecount; /* write count/TIFF_VARIABLE */ 535 TIFFDataType field_type; /* type of associated data */ 536 unsigned short field_bit; /* bit in fieldsset bit vector */ 537 unsigned char field_oktochange; /* if true, can change while writing */ 538 unsigned char field_passcount; /* if true, pass dir count on set */ 539 char *field_name; /* ASCII name */ 540} TIFFFieldInfo; 541 542extern int TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], uint32); 543 544#if defined(c_plusplus) || defined(__cplusplus) 545} 546#endif 547 548#endif /* _TIFFIO_ */ 549 550/* vim: set ts=8 sts=8 sw=8 noet: */ 551/* 552 * Local Variables: 553 * mode: c 554 * c-basic-offset: 8 555 * fill-column: 78 556 * End: 557 */ 558