1/* $Id: tiffio.h 285 2010-07-07 11:02:56Z nijtmans $ */ 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 being the most important, and to ensure 59 * that it is unsigned, rather than signed. 60 */ 61typedef uint32 ttag_t; /* directory tag */ 62typedef uint16 tdir_t; /* directory index */ 63typedef uint16 tsample_t; /* sample number */ 64typedef uint32 tstrile_t; /* strip or tile number */ 65typedef tstrile_t tstrip_t; /* strip number */ 66typedef tstrile_t ttile_t; /* tile number */ 67typedef int32 tsize_t; /* i/o size in bytes */ 68typedef void* tdata_t; /* image data ref */ 69typedef uint32 toff_t; /* file offset */ 70 71#if !defined(__WIN32__) && (defined(_WIN32) || defined(WIN32)) 72#define __WIN32__ 73#endif 74 75/* 76 * On windows you should define USE_WIN32_FILEIO if you are using tif_win32.c 77 * or AVOID_WIN32_FILEIO if you are using something else (like tif_unix.c). 78 * 79 * By default tif_unix.c is assumed. 80 */ 81 82#if defined(_WINDOWS) || defined(__WIN32__) || defined(_Windows) 83# if !defined(__CYGWIN) && !defined(AVOID_WIN32_FILEIO) && !defined(USE_WIN32_FILEIO) 84# define AVOID_WIN32_FILEIO 85# endif 86#endif 87 88#if defined(USE_WIN32_FILEIO) 89# define VC_EXTRALEAN 90# include <windows.h> 91# ifdef __WIN32__ 92DECLARE_HANDLE(thandle_t); /* Win32 file handle */ 93# else 94typedef HFILE thandle_t; /* client data handle */ 95# endif /* __WIN32__ */ 96#else 97typedef void* thandle_t; /* client data handle */ 98#endif /* USE_WIN32_FILEIO */ 99 100/* 101 * Flags to pass to TIFFPrintDirectory to control 102 * printing of data structures that are potentially 103 * very large. Bit-or these flags to enable printing 104 * multiple items. 105 */ 106#define TIFFPRINT_NONE 0x0 /* no extra info */ 107#define TIFFPRINT_STRIPS 0x1 /* strips/tiles info */ 108#define TIFFPRINT_CURVES 0x2 /* color/gray response curves */ 109#define TIFFPRINT_COLORMAP 0x4 /* colormap */ 110#define TIFFPRINT_JPEGQTABLES 0x100 /* JPEG Q matrices */ 111#define TIFFPRINT_JPEGACTABLES 0x200 /* JPEG AC tables */ 112#define TIFFPRINT_JPEGDCTABLES 0x200 /* JPEG DC tables */ 113 114/* 115 * Colour conversion stuff 116 */ 117 118/* reference white */ 119#define D65_X0 (95.0470F) 120#define D65_Y0 (100.0F) 121#define D65_Z0 (108.8827F) 122 123#define D50_X0 (96.4250F) 124#define D50_Y0 (100.0F) 125#define D50_Z0 (82.4680F) 126 127/* Structure for holding information about a display device. */ 128 129typedef unsigned char TIFFRGBValue; /* 8-bit samples */ 130 131typedef struct { 132 float d_mat[3][3]; /* XYZ -> luminance matrix */ 133 float d_YCR; /* Light o/p for reference white */ 134 float d_YCG; 135 float d_YCB; 136 uint32 d_Vrwr; /* Pixel values for ref. white */ 137 uint32 d_Vrwg; 138 uint32 d_Vrwb; 139 float d_Y0R; /* Residual light for black pixel */ 140 float d_Y0G; 141 float d_Y0B; 142 float d_gammaR; /* Gamma values for the three guns */ 143 float d_gammaG; 144 float d_gammaB; 145} TIFFDisplay; 146 147typedef struct { /* YCbCr->RGB support */ 148 TIFFRGBValue* clamptab; /* range clamping table */ 149 int* Cr_r_tab; 150 int* Cb_b_tab; 151 int32* Cr_g_tab; 152 int32* Cb_g_tab; 153 int32* Y_tab; 154} TIFFYCbCrToRGB; 155 156typedef struct { /* CIE Lab 1976->RGB support */ 157 int range; /* Size of conversion table */ 158#define CIELABTORGB_TABLE_RANGE 1500 159 float rstep, gstep, bstep; 160 float X0, Y0, Z0; /* Reference white point */ 161 TIFFDisplay display; 162 float Yr2r[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yr to r */ 163 float Yg2g[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yg to g */ 164 float Yb2b[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yb to b */ 165} TIFFCIELabToRGB; 166 167/* 168 * RGBA-style image support. 169 */ 170typedef struct _TIFFRGBAImage TIFFRGBAImage; 171/* 172 * The image reading and conversion routines invoke 173 * ``put routines'' to copy/image/whatever tiles of 174 * raw image data. A default set of routines are 175 * provided to convert/copy raw image data to 8-bit 176 * packed ABGR format rasters. Applications can supply 177 * alternate routines that unpack the data into a 178 * different format or, for example, unpack the data 179 * and draw the unpacked raster on the display. 180 */ 181typedef void (*tileContigRoutine) 182 (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32, 183 unsigned char*); 184typedef void (*tileSeparateRoutine) 185 (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32, 186 unsigned char*, unsigned char*, unsigned char*, unsigned char*); 187/* 188 * RGBA-reader state. 189 */ 190struct _TIFFRGBAImage { 191 TIFF* tif; /* image handle */ 192 int stoponerr; /* stop on read error */ 193 int isContig; /* data is packed/separate */ 194 int alpha; /* type of alpha data present */ 195 uint32 width; /* image width */ 196 uint32 height; /* image height */ 197 uint16 bitspersample; /* image bits/sample */ 198 uint16 samplesperpixel; /* image samples/pixel */ 199 uint16 orientation; /* image orientation */ 200 uint16 req_orientation; /* requested orientation */ 201 uint16 photometric; /* image photometric interp */ 202 uint16* redcmap; /* colormap pallete */ 203 uint16* greencmap; 204 uint16* bluecmap; 205 /* get image data routine */ 206 int (*get)(TIFFRGBAImage*, uint32*, uint32, uint32); 207 /* put decoded strip/tile */ 208 union { 209 void (*any)(TIFFRGBAImage*); 210 tileContigRoutine contig; 211 tileSeparateRoutine separate; 212 } put; 213 TIFFRGBValue* Map; /* sample mapping array */ 214 uint32** BWmap; /* black&white map */ 215 uint32** PALmap; /* palette image map */ 216 TIFFYCbCrToRGB* ycbcr; /* YCbCr conversion state */ 217 TIFFCIELabToRGB* cielab; /* CIE L*a*b conversion state */ 218 219 int row_offset; 220 int col_offset; 221}; 222 223/* 224 * Macros for extracting components from the 225 * packed ABGR form returned by TIFFReadRGBAImage. 226 */ 227#define TIFFGetR(abgr) ((abgr) & 0xff) 228#define TIFFGetG(abgr) (((abgr) >> 8) & 0xff) 229#define TIFFGetB(abgr) (((abgr) >> 16) & 0xff) 230#define TIFFGetA(abgr) (((abgr) >> 24) & 0xff) 231 232/* 233 * A CODEC is a software package that implements decoding, 234 * encoding, or decoding+encoding of a compression algorithm. 235 * The library provides a collection of builtin codecs. 236 * More codecs may be registered through calls to the library 237 * and/or the builtin implementations may be overridden. 238 */ 239typedef int (*TIFFInitMethod)(TIFF*, int); 240typedef struct { 241 const char* name; 242 uint16 scheme; 243 TIFFInitMethod init; 244} TIFFCodec; 245 246#include <stdio.h> 247#include <stdarg.h> 248 249/* share internal LogLuv conversion routines? */ 250#ifndef LOGLUV_PUBLIC 251#define LOGLUV_PUBLIC 1 252#endif 253 254#if !defined(__GNUC__) && !defined(__attribute__) 255# define __attribute__(x) /*nothing*/ 256#endif 257 258#if defined(c_plusplus) || defined(__cplusplus) 259extern "C" { 260#endif 261typedef void (*TIFFErrorHandler)(const char*, const char*, va_list); 262typedef void (*TIFFErrorHandlerExt)(thandle_t, const char*, const char*, va_list); 263typedef tsize_t (*TIFFReadWriteProc)(thandle_t, tdata_t, tsize_t); 264typedef toff_t (*TIFFSeekProc)(thandle_t, toff_t, int); 265typedef int (*TIFFCloseProc)(thandle_t); 266typedef toff_t (*TIFFSizeProc)(thandle_t); 267typedef int (*TIFFMapFileProc)(thandle_t, tdata_t*, toff_t*); 268typedef void (*TIFFUnmapFileProc)(thandle_t, tdata_t, toff_t); 269typedef void (*TIFFExtendProc)(TIFF*); 270 271extern const char* TIFFGetVersion(void); 272 273extern const TIFFCodec* TIFFFindCODEC(uint16); 274extern TIFFCodec* TIFFRegisterCODEC(uint16, const char*, TIFFInitMethod); 275extern void TIFFUnRegisterCODEC(TIFFCodec*); 276extern int TIFFIsCODECConfigured(uint16); 277extern TIFFCodec* TIFFGetConfiguredCODECs(void); 278 279/* 280 * Auxiliary functions. 281 */ 282 283extern tdata_t _TIFFmalloc(tsize_t); 284extern tdata_t _TIFFrealloc(tdata_t, tsize_t); 285extern void _TIFFmemset(tdata_t, int, tsize_t); 286extern void _TIFFmemcpy(tdata_t, const tdata_t, tsize_t); 287extern int _TIFFmemcmp(const tdata_t, const tdata_t, tsize_t); 288extern void _TIFFfree(tdata_t); 289 290/* 291** Stuff, related to tag handling and creating custom tags. 292*/ 293extern int TIFFGetTagListCount( TIFF * ); 294extern ttag_t TIFFGetTagListEntry( TIFF *, int tag_index ); 295 296#define TIFF_ANY TIFF_NOTYPE /* for field descriptor searching */ 297#define TIFF_VARIABLE -1 /* marker for variable length tags */ 298#define TIFF_SPP -2 /* marker for SamplesPerPixel tags */ 299#define TIFF_VARIABLE2 -3 /* marker for uint32 var-length tags */ 300 301#define FIELD_CUSTOM 65 302 303typedef struct { 304 ttag_t field_tag; /* field's tag */ 305 short field_readcount; /* read count/TIFF_VARIABLE/TIFF_SPP */ 306 short field_writecount; /* write count/TIFF_VARIABLE */ 307 TIFFDataType field_type; /* type of associated data */ 308 unsigned short field_bit; /* bit in fieldsset bit vector */ 309 unsigned char field_oktochange; /* if true, can change while writing */ 310 unsigned char field_passcount; /* if true, pass dir count on set */ 311 const char *field_name; /* ASCII name */ 312} TIFFFieldInfo; 313 314typedef struct _TIFFTagValue { 315 const TIFFFieldInfo *info; 316 int count; 317 void *value; 318} TIFFTagValue; 319 320extern void TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], int); 321extern const TIFFFieldInfo* TIFFFindFieldInfo(TIFF*, ttag_t, TIFFDataType); 322extern const TIFFFieldInfo* TIFFFindFieldInfoByName(TIFF* , const char *, 323 TIFFDataType); 324extern const TIFFFieldInfo* TIFFFieldWithTag(TIFF*, ttag_t); 325extern const TIFFFieldInfo* TIFFFieldWithName(TIFF*, const char *); 326 327typedef int (*TIFFVSetMethod)(TIFF*, ttag_t, va_list); 328typedef int (*TIFFVGetMethod)(TIFF*, ttag_t, va_list); 329typedef void (*TIFFPrintMethod)(TIFF*, FILE*, long); 330 331typedef struct { 332 TIFFVSetMethod vsetfield; /* tag set routine */ 333 TIFFVGetMethod vgetfield; /* tag get routine */ 334 TIFFPrintMethod printdir; /* directory print routine */ 335} TIFFTagMethods; 336 337extern TIFFTagMethods *TIFFAccessTagMethods( TIFF * ); 338extern void *TIFFGetClientInfo( TIFF *, const char * ); 339extern void TIFFSetClientInfo( TIFF *, void *, const char * ); 340 341extern void TIFFCleanup(TIFF*); 342extern void TIFFClose(TIFF*); 343extern int TIFFFlush(TIFF*); 344extern int TIFFFlushData(TIFF*); 345extern int TIFFGetField(TIFF*, ttag_t, ...); 346extern int TIFFVGetField(TIFF*, ttag_t, va_list); 347extern int TIFFGetFieldDefaulted(TIFF*, ttag_t, ...); 348extern int TIFFVGetFieldDefaulted(TIFF*, ttag_t, va_list); 349extern int TIFFReadDirectory(TIFF*); 350extern int TIFFReadCustomDirectory(TIFF*, toff_t, const TIFFFieldInfo[], 351 size_t); 352extern int TIFFReadEXIFDirectory(TIFF*, toff_t); 353extern tsize_t TIFFScanlineSize(TIFF*); 354extern tsize_t TIFFOldScanlineSize(TIFF*); 355extern tsize_t TIFFNewScanlineSize(TIFF*); 356extern tsize_t TIFFRasterScanlineSize(TIFF*); 357extern tsize_t TIFFStripSize(TIFF*); 358extern tsize_t TIFFRawStripSize(TIFF*, tstrip_t); 359extern tsize_t TIFFVStripSize(TIFF*, uint32); 360extern tsize_t TIFFTileRowSize(TIFF*); 361extern tsize_t TIFFTileSize(TIFF*); 362extern tsize_t TIFFVTileSize(TIFF*, uint32); 363extern uint32 TIFFDefaultStripSize(TIFF*, uint32); 364extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*); 365extern int TIFFFileno(TIFF*); 366extern int TIFFSetFileno(TIFF*, int); 367extern thandle_t TIFFClientdata(TIFF*); 368extern thandle_t TIFFSetClientdata(TIFF*, thandle_t); 369extern int TIFFGetMode(TIFF*); 370extern int TIFFSetMode(TIFF*, int); 371extern int TIFFIsTiled(TIFF*); 372extern int TIFFIsByteSwapped(TIFF*); 373extern int TIFFIsUpSampled(TIFF*); 374extern int TIFFIsMSB2LSB(TIFF*); 375extern int TIFFIsBigEndian(TIFF*); 376extern TIFFReadWriteProc TIFFGetReadProc(TIFF*); 377extern TIFFReadWriteProc TIFFGetWriteProc(TIFF*); 378extern TIFFSeekProc TIFFGetSeekProc(TIFF*); 379extern TIFFCloseProc TIFFGetCloseProc(TIFF*); 380extern TIFFSizeProc TIFFGetSizeProc(TIFF*); 381extern TIFFMapFileProc TIFFGetMapFileProc(TIFF*); 382extern TIFFUnmapFileProc TIFFGetUnmapFileProc(TIFF*); 383extern uint32 TIFFCurrentRow(TIFF*); 384extern tdir_t TIFFCurrentDirectory(TIFF*); 385extern tdir_t TIFFNumberOfDirectories(TIFF*); 386extern uint32 TIFFCurrentDirOffset(TIFF*); 387extern tstrip_t TIFFCurrentStrip(TIFF*); 388extern ttile_t TIFFCurrentTile(TIFF*); 389extern int TIFFReadBufferSetup(TIFF*, tdata_t, tsize_t); 390extern int TIFFWriteBufferSetup(TIFF*, tdata_t, tsize_t); 391extern int TIFFSetupStrips(TIFF *); 392extern int TIFFWriteCheck(TIFF*, int, const char *); 393extern void TIFFFreeDirectory(TIFF*); 394extern int TIFFCreateDirectory(TIFF*); 395extern int TIFFLastDirectory(TIFF*); 396extern int TIFFSetDirectory(TIFF*, tdir_t); 397extern int TIFFSetSubDirectory(TIFF*, uint32); 398extern int TIFFUnlinkDirectory(TIFF*, tdir_t); 399extern int TIFFSetField(TIFF*, ttag_t, ...); 400extern int TIFFVSetField(TIFF*, ttag_t, va_list); 401extern int TIFFWriteDirectory(TIFF *); 402extern int TIFFCheckpointDirectory(TIFF *); 403extern int TIFFRewriteDirectory(TIFF *); 404extern int TIFFReassignTagToIgnore(enum TIFFIgnoreSense, int); 405 406#if defined(c_plusplus) || defined(__cplusplus) 407extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0); 408extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t = 0); 409extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t = 0); 410extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0); 411extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, 412 int = ORIENTATION_BOTLEFT, int = 0); 413#else 414extern void TIFFPrintDirectory(TIFF*, FILE*, long); 415extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t); 416extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t); 417extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int); 418extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, int, int); 419#endif 420 421extern int TIFFReadRGBAStrip(TIFF*, tstrip_t, uint32 * ); 422extern int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * ); 423extern int TIFFRGBAImageOK(TIFF*, char [1024]); 424extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]); 425extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32); 426extern void TIFFRGBAImageEnd(TIFFRGBAImage*); 427extern TIFF* TIFFOpen(const char*, const char*); 428# ifdef __WIN32__ 429extern TIFF* TIFFOpenW(const wchar_t*, const char*); 430# endif /* __WIN32__ */ 431extern TIFF* TIFFFdOpen(int, const char*, const char*); 432extern TIFF* TIFFClientOpen(const char*, const char*, 433 thandle_t, 434 TIFFReadWriteProc, TIFFReadWriteProc, 435 TIFFSeekProc, TIFFCloseProc, 436 TIFFSizeProc, 437 TIFFMapFileProc, TIFFUnmapFileProc); 438extern const char* TIFFFileName(TIFF*); 439extern const char* TIFFSetFileName(TIFF*, const char *); 440extern void TIFFError(const char*, const char*, ...) __attribute__((format (printf,2,3))); 441extern void TIFFErrorExt(thandle_t, const char*, const char*, ...) __attribute__((format (printf,3,4))); 442extern void TIFFWarning(const char*, const char*, ...) __attribute__((format (printf,2,3))); 443extern void TIFFWarningExt(thandle_t, const char*, const char*, ...) __attribute__((format (printf,3,4))); 444extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler); 445extern TIFFErrorHandlerExt TIFFSetErrorHandlerExt(TIFFErrorHandlerExt); 446extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler); 447extern TIFFErrorHandlerExt TIFFSetWarningHandlerExt(TIFFErrorHandlerExt); 448extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc); 449extern ttile_t TIFFComputeTile(TIFF*, uint32, uint32, uint32, tsample_t); 450extern int TIFFCheckTile(TIFF*, uint32, uint32, uint32, tsample_t); 451extern ttile_t TIFFNumberOfTiles(TIFF*); 452extern tsize_t TIFFReadTile(TIFF*, 453 tdata_t, uint32, uint32, uint32, tsample_t); 454extern tsize_t TIFFWriteTile(TIFF*, 455 tdata_t, uint32, uint32, uint32, tsample_t); 456extern tstrip_t TIFFComputeStrip(TIFF*, uint32, tsample_t); 457extern tstrip_t TIFFNumberOfStrips(TIFF*); 458extern tsize_t TIFFReadEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t); 459extern tsize_t TIFFReadRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t); 460extern tsize_t TIFFReadEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t); 461extern tsize_t TIFFReadRawTile(TIFF*, ttile_t, tdata_t, tsize_t); 462extern tsize_t TIFFWriteEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t); 463extern tsize_t TIFFWriteRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t); 464extern tsize_t TIFFWriteEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t); 465extern tsize_t TIFFWriteRawTile(TIFF*, ttile_t, tdata_t, tsize_t); 466extern int TIFFDataWidth(TIFFDataType); /* table of tag datatype widths */ 467extern void TIFFSetWriteOffset(TIFF*, toff_t); 468extern void TIFFSwabShort(uint16*); 469extern void TIFFSwabLong(uint32*); 470extern void TIFFSwabDouble(double*); 471extern void TIFFSwabArrayOfShort(uint16*, unsigned long); 472extern void TIFFSwabArrayOfTriples(uint8*, unsigned long); 473extern void TIFFSwabArrayOfLong(uint32*, unsigned long); 474extern void TIFFSwabArrayOfDouble(double*, unsigned long); 475extern void TIFFReverseBits(unsigned char *, unsigned long); 476extern const unsigned char* TIFFGetBitRevTable(int); 477 478#if LOGLUV_PUBLIC 479#define U_NEU 0.210526316 480#define V_NEU 0.473684211 481#define UVSCALE 410. 482extern double LogL16toY(int); 483extern double LogL10toY(int); 484extern void XYZtoRGB24(float*, uint8*); 485extern int uv_decode(double*, double*, int); 486extern void LogLuv24toXYZ(uint32, float*); 487extern void LogLuv32toXYZ(uint32, float*); 488#if defined(c_plusplus) || defined(__cplusplus) 489extern int LogL16fromY(double, int = SGILOGENCODE_NODITHER); 490extern int LogL10fromY(double, int = SGILOGENCODE_NODITHER); 491extern int uv_encode(double, double, int = SGILOGENCODE_NODITHER); 492extern uint32 LogLuv24fromXYZ(float*, int = SGILOGENCODE_NODITHER); 493extern uint32 LogLuv32fromXYZ(float*, int = SGILOGENCODE_NODITHER); 494#else 495extern int LogL16fromY(double, int); 496extern int LogL10fromY(double, int); 497extern int uv_encode(double, double, int); 498extern uint32 LogLuv24fromXYZ(float*, int); 499extern uint32 LogLuv32fromXYZ(float*, int); 500#endif 501#endif /* LOGLUV_PUBLIC */ 502 503extern int TIFFCIELabToRGBInit(TIFFCIELabToRGB*, TIFFDisplay *, float*); 504extern void TIFFCIELabToXYZ(TIFFCIELabToRGB *, uint32, int32, int32, 505 float *, float *, float *); 506extern void TIFFXYZToRGB(TIFFCIELabToRGB *, float, float, float, 507 uint32 *, uint32 *, uint32 *); 508 509extern int TIFFYCbCrToRGBInit(TIFFYCbCrToRGB*, float*, float*); 510extern void TIFFYCbCrtoRGB(TIFFYCbCrToRGB *, uint32, int32, int32, 511 uint32 *, uint32 *, uint32 *); 512 513#if defined(c_plusplus) || defined(__cplusplus) 514} 515#endif 516 517#endif /* _TIFFIO_ */ 518 519/* vim: set ts=8 sts=8 sw=8 noet: */ 520/* 521 * Local Variables: 522 * mode: c 523 * c-basic-offset: 8 524 * fill-column: 78 525 * End: 526 */ 527