1 /* $Id: tiffio.h,v 1.94 2017-01-11 19:02:49 erouault 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 palette */ 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 conversion 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* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz); 297 extern void* _TIFFrealloc(void* p, tmsize_t s); 298 extern void _TIFFmemset(void* p, int v, tmsize_t c); 299 extern void _TIFFmemcpy(void* d, const void* s, tmsize_t c); 300 extern int _TIFFmemcmp(const void* p1, const void* p2, tmsize_t c); 301 extern void _TIFFfree(void* p); 302 extern int _TIFFIfMultiplicationOverflow(tmsize_t op1, tmsize_t op2); 303 304 /* 305 ** Stuff, related to tag handling and creating custom tags. 306 */ 307 extern int TIFFGetTagListCount( TIFF * ); 308 extern uint32 TIFFGetTagListEntry( TIFF *, int tag_index ); 309 310 #define TIFF_ANY TIFF_NOTYPE /* for field descriptor searching */ 311 #define TIFF_VARIABLE -1 /* marker for variable length tags */ 312 #define TIFF_SPP -2 /* marker for SamplesPerPixel tags */ 313 #define TIFF_VARIABLE2 -3 /* marker for uint32 var-length tags */ 314 315 #define FIELD_CUSTOM 65 316 317 typedef struct _TIFFField TIFFField; 318 typedef struct _TIFFFieldArray TIFFFieldArray; 319 320 extern const TIFFField* TIFFFindField(TIFF *, uint32, TIFFDataType); 321 extern const TIFFField* TIFFFieldWithTag(TIFF*, uint32); 322 extern const TIFFField* TIFFFieldWithName(TIFF*, const char *); 323 324 extern uint32 TIFFFieldTag(const TIFFField*); 325 extern const char* TIFFFieldName(const TIFFField*); 326 extern TIFFDataType TIFFFieldDataType(const TIFFField*); 327 extern int TIFFFieldPassCount(const TIFFField*); 328 extern int TIFFFieldReadCount(const TIFFField*); 329 extern int TIFFFieldWriteCount(const TIFFField*); 330 331 typedef int (*TIFFVSetMethod)(TIFF*, uint32, va_list); 332 typedef int (*TIFFVGetMethod)(TIFF*, uint32, va_list); 333 typedef void (*TIFFPrintMethod)(TIFF*, FILE*, long); 334 335 typedef struct { 336 TIFFVSetMethod vsetfield; /* tag set routine */ 337 TIFFVGetMethod vgetfield; /* tag get routine */ 338 TIFFPrintMethod printdir; /* directory print routine */ 339 } TIFFTagMethods; 340 341 extern TIFFTagMethods *TIFFAccessTagMethods(TIFF *); 342 extern void *TIFFGetClientInfo(TIFF *, const char *); 343 extern void TIFFSetClientInfo(TIFF *, void *, const char *); 344 345 extern void TIFFCleanup(TIFF* tif); 346 extern void TIFFClose(TIFF* tif); 347 extern int TIFFFlush(TIFF* tif); 348 extern int TIFFFlushData(TIFF* tif); 349 extern int TIFFGetField(TIFF* tif, uint32 tag, ...); 350 extern int TIFFVGetField(TIFF* tif, uint32 tag, va_list ap); 351 extern int TIFFGetFieldDefaulted(TIFF* tif, uint32 tag, ...); 352 extern int TIFFVGetFieldDefaulted(TIFF* tif, uint32 tag, va_list ap); 353 extern int TIFFReadDirectory(TIFF* tif); 354 extern int TIFFReadCustomDirectory(TIFF* tif, toff_t diroff, const TIFFFieldArray* infoarray); 355 extern int TIFFReadEXIFDirectory(TIFF* tif, toff_t diroff); 356 extern uint64 TIFFScanlineSize64(TIFF* tif); 357 extern tmsize_t TIFFScanlineSize(TIFF* tif); 358 extern uint64 TIFFRasterScanlineSize64(TIFF* tif); 359 extern tmsize_t TIFFRasterScanlineSize(TIFF* tif); 360 extern uint64 TIFFStripSize64(TIFF* tif); 361 extern tmsize_t TIFFStripSize(TIFF* tif); 362 extern uint64 TIFFRawStripSize64(TIFF* tif, uint32 strip); 363 extern tmsize_t TIFFRawStripSize(TIFF* tif, uint32 strip); 364 extern uint64 TIFFVStripSize64(TIFF* tif, uint32 nrows); 365 extern tmsize_t TIFFVStripSize(TIFF* tif, uint32 nrows); 366 extern uint64 TIFFTileRowSize64(TIFF* tif); 367 extern tmsize_t TIFFTileRowSize(TIFF* tif); 368 extern uint64 TIFFTileSize64(TIFF* tif); 369 extern tmsize_t TIFFTileSize(TIFF* tif); 370 extern uint64 TIFFVTileSize64(TIFF* tif, uint32 nrows); 371 extern tmsize_t TIFFVTileSize(TIFF* tif, uint32 nrows); 372 extern uint32 TIFFDefaultStripSize(TIFF* tif, uint32 request); 373 extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*); 374 extern int TIFFFileno(TIFF*); 375 extern int TIFFSetFileno(TIFF*, int); 376 extern thandle_t TIFFClientdata(TIFF*); 377 extern thandle_t TIFFSetClientdata(TIFF*, thandle_t); 378 extern int TIFFGetMode(TIFF*); 379 extern int TIFFSetMode(TIFF*, int); 380 extern int TIFFIsTiled(TIFF*); 381 extern int TIFFIsByteSwapped(TIFF*); 382 extern int TIFFIsUpSampled(TIFF*); 383 extern int TIFFIsMSB2LSB(TIFF*); 384 extern int TIFFIsBigEndian(TIFF*); 385 extern TIFFReadWriteProc TIFFGetReadProc(TIFF*); 386 extern TIFFReadWriteProc TIFFGetWriteProc(TIFF*); 387 extern TIFFSeekProc TIFFGetSeekProc(TIFF*); 388 extern TIFFCloseProc TIFFGetCloseProc(TIFF*); 389 extern TIFFSizeProc TIFFGetSizeProc(TIFF*); 390 extern TIFFMapFileProc TIFFGetMapFileProc(TIFF*); 391 extern TIFFUnmapFileProc TIFFGetUnmapFileProc(TIFF*); 392 extern uint32 TIFFCurrentRow(TIFF*); 393 extern uint16 TIFFCurrentDirectory(TIFF*); 394 extern uint16 TIFFNumberOfDirectories(TIFF*); 395 extern uint64 TIFFCurrentDirOffset(TIFF*); 396 extern uint32 TIFFCurrentStrip(TIFF*); 397 extern uint32 TIFFCurrentTile(TIFF* tif); 398 extern int TIFFReadBufferSetup(TIFF* tif, void* bp, tmsize_t size); 399 extern int TIFFWriteBufferSetup(TIFF* tif, void* bp, tmsize_t size); 400 extern int TIFFSetupStrips(TIFF *); 401 extern int TIFFWriteCheck(TIFF*, int, const char *); 402 extern void TIFFFreeDirectory(TIFF*); 403 extern int TIFFCreateDirectory(TIFF*); 404 extern int TIFFCreateCustomDirectory(TIFF*,const TIFFFieldArray*); 405 extern int TIFFCreateEXIFDirectory(TIFF*); 406 extern int TIFFLastDirectory(TIFF*); 407 extern int TIFFSetDirectory(TIFF*, uint16); 408 extern int TIFFSetSubDirectory(TIFF*, uint64); 409 extern int TIFFUnlinkDirectory(TIFF*, uint16); 410 extern int TIFFSetField(TIFF*, uint32, ...); 411 extern int TIFFVSetField(TIFF*, uint32, va_list); 412 extern int TIFFUnsetField(TIFF*, uint32); 413 extern int TIFFWriteDirectory(TIFF *); 414 extern int TIFFWriteCustomDirectory(TIFF *, uint64 *); 415 extern int TIFFCheckpointDirectory(TIFF *); 416 extern int TIFFRewriteDirectory(TIFF *); 417 418 #if defined(c_plusplus) || defined(__cplusplus) 419 extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0); 420 extern int TIFFReadScanline(TIFF* tif, void* buf, uint32 row, uint16 sample = 0); 421 extern int TIFFWriteScanline(TIFF* tif, void* buf, uint32 row, uint16 sample = 0); 422 extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0); 423 extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, 424 int = ORIENTATION_BOTLEFT, int = 0); 425 #else 426 extern void TIFFPrintDirectory(TIFF*, FILE*, long); 427 extern int TIFFReadScanline(TIFF* tif, void* buf, uint32 row, uint16 sample); 428 extern int TIFFWriteScanline(TIFF* tif, void* buf, uint32 row, uint16 sample); 429 extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int); 430 extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, int, int); 431 #endif 432 433 extern int TIFFReadRGBAStrip(TIFF*, uint32, uint32 * ); 434 extern int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * ); 435 extern int TIFFReadRGBAStripExt(TIFF*, uint32, uint32 *, int stop_on_error ); 436 extern int TIFFReadRGBATileExt(TIFF*, uint32, uint32, uint32 *, int stop_on_error ); 437 extern int TIFFRGBAImageOK(TIFF*, char [1024]); 438 extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]); 439 extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32); 440 extern void TIFFRGBAImageEnd(TIFFRGBAImage*); 441 extern TIFF* TIFFOpen(const char*, const char*); 442 # ifdef __WIN32__ 443 extern TIFF* TIFFOpenW(const wchar_t*, const char*); 444 # endif /* __WIN32__ */ 445 extern TIFF* TIFFFdOpen(int, const char*, const char*); 446 extern TIFF* TIFFClientOpen(const char*, const char*, 447 thandle_t, 448 TIFFReadWriteProc, TIFFReadWriteProc, 449 TIFFSeekProc, TIFFCloseProc, 450 TIFFSizeProc, 451 TIFFMapFileProc, TIFFUnmapFileProc); 452 extern const char* TIFFFileName(TIFF*); 453 extern const char* TIFFSetFileName(TIFF*, const char *); 454 extern void TIFFError(const char*, const char*, ...) __attribute__((__format__ (__printf__,2,3))); 455 extern void TIFFErrorExt(thandle_t, const char*, const char*, ...) __attribute__((__format__ (__printf__,3,4))); 456 extern void TIFFWarning(const char*, const char*, ...) __attribute__((__format__ (__printf__,2,3))); 457 extern void TIFFWarningExt(thandle_t, const char*, const char*, ...) __attribute__((__format__ (__printf__,3,4))); 458 extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler); 459 extern TIFFErrorHandlerExt TIFFSetErrorHandlerExt(TIFFErrorHandlerExt); 460 extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler); 461 extern TIFFErrorHandlerExt TIFFSetWarningHandlerExt(TIFFErrorHandlerExt); 462 extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc); 463 extern uint32 TIFFComputeTile(TIFF* tif, uint32 x, uint32 y, uint32 z, uint16 s); 464 extern int TIFFCheckTile(TIFF* tif, uint32 x, uint32 y, uint32 z, uint16 s); 465 extern uint32 TIFFNumberOfTiles(TIFF*); 466 extern tmsize_t TIFFReadTile(TIFF* tif, void* buf, uint32 x, uint32 y, uint32 z, uint16 s); 467 extern tmsize_t TIFFWriteTile(TIFF* tif, void* buf, uint32 x, uint32 y, uint32 z, uint16 s); 468 extern uint32 TIFFComputeStrip(TIFF*, uint32, uint16); 469 extern uint32 TIFFNumberOfStrips(TIFF*); 470 extern tmsize_t TIFFReadEncodedStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size); 471 extern tmsize_t TIFFReadRawStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size); 472 extern tmsize_t TIFFReadEncodedTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size); 473 extern tmsize_t TIFFReadRawTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size); 474 extern tmsize_t TIFFWriteEncodedStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc); 475 extern tmsize_t TIFFWriteRawStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc); 476 extern tmsize_t TIFFWriteEncodedTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc); 477 extern tmsize_t TIFFWriteRawTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc); 478 extern int TIFFDataWidth(TIFFDataType); /* table of tag datatype widths */ 479 extern void TIFFSetWriteOffset(TIFF* tif, toff_t off); 480 extern void TIFFSwabShort(uint16*); 481 extern void TIFFSwabLong(uint32*); 482 extern void TIFFSwabLong8(uint64*); 483 extern void TIFFSwabFloat(float*); 484 extern void TIFFSwabDouble(double*); 485 extern void TIFFSwabArrayOfShort(uint16* wp, tmsize_t n); 486 extern void TIFFSwabArrayOfTriples(uint8* tp, tmsize_t n); 487 extern void TIFFSwabArrayOfLong(uint32* lp, tmsize_t n); 488 extern void TIFFSwabArrayOfLong8(uint64* lp, tmsize_t n); 489 extern void TIFFSwabArrayOfFloat(float* fp, tmsize_t n); 490 extern void TIFFSwabArrayOfDouble(double* dp, tmsize_t n); 491 extern void TIFFReverseBits(uint8* cp, tmsize_t n); 492 extern const unsigned char* TIFFGetBitRevTable(int); 493 494 #ifdef LOGLUV_PUBLIC 495 #define U_NEU 0.210526316 496 #define V_NEU 0.473684211 497 #define UVSCALE 410. 498 extern double LogL16toY(int); 499 extern double LogL10toY(int); 500 extern void XYZtoRGB24(float*, uint8*); 501 extern int uv_decode(double*, double*, int); 502 extern void LogLuv24toXYZ(uint32, float*); 503 extern void LogLuv32toXYZ(uint32, float*); 504 #if defined(c_plusplus) || defined(__cplusplus) 505 extern int LogL16fromY(double, int = SGILOGENCODE_NODITHER); 506 extern int LogL10fromY(double, int = SGILOGENCODE_NODITHER); 507 extern int uv_encode(double, double, int = SGILOGENCODE_NODITHER); 508 extern uint32 LogLuv24fromXYZ(float*, int = SGILOGENCODE_NODITHER); 509 extern uint32 LogLuv32fromXYZ(float*, int = SGILOGENCODE_NODITHER); 510 #else 511 extern int LogL16fromY(double, int); 512 extern int LogL10fromY(double, int); 513 extern int uv_encode(double, double, int); 514 extern uint32 LogLuv24fromXYZ(float*, int); 515 extern uint32 LogLuv32fromXYZ(float*, int); 516 #endif 517 #endif /* LOGLUV_PUBLIC */ 518 519 extern int TIFFCIELabToRGBInit(TIFFCIELabToRGB*, const TIFFDisplay *, float*); 520 extern void TIFFCIELabToXYZ(TIFFCIELabToRGB *, uint32, int32, int32, 521 float *, float *, float *); 522 extern void TIFFXYZToRGB(TIFFCIELabToRGB *, float, float, float, 523 uint32 *, uint32 *, uint32 *); 524 525 extern int TIFFYCbCrToRGBInit(TIFFYCbCrToRGB*, float*, float*); 526 extern void TIFFYCbCrtoRGB(TIFFYCbCrToRGB *, uint32, int32, int32, 527 uint32 *, uint32 *, uint32 *); 528 529 /**************************************************************************** 530 * O B S O L E T E D I N T E R F A C E S 531 * 532 * Don't use this stuff in your applications, it may be removed in the future 533 * libtiff versions. 534 ****************************************************************************/ 535 typedef struct { 536 ttag_t field_tag; /* field's tag */ 537 short field_readcount; /* read count/TIFF_VARIABLE/TIFF_SPP */ 538 short field_writecount; /* write count/TIFF_VARIABLE */ 539 TIFFDataType field_type; /* type of associated data */ 540 unsigned short field_bit; /* bit in fieldsset bit vector */ 541 unsigned char field_oktochange; /* if true, can change while writing */ 542 unsigned char field_passcount; /* if true, pass dir count on set */ 543 char *field_name; /* ASCII name */ 544 } TIFFFieldInfo; 545 546 extern int TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], uint32); 547 548 #if defined(c_plusplus) || defined(__cplusplus) 549 } 550 #endif 551 552 #endif /* _TIFFIO_ */ 553 554 /* vim: set ts=8 sts=8 sw=8 noet: */ 555 /* 556 * Local Variables: 557 * mode: c 558 * c-basic-offset: 8 559 * fill-column: 78 560 * End: 561 */ 562