| 1 | /* $Header$ */ |
| 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 being the most important, and to ensure |
| 59 | * that it is unsigned, rather than signed. |
| 60 | */ |
| 61 | typedef uint32 ttag_t; /* directory tag */ |
| 62 | typedef uint16 tdir_t; /* directory index */ |
| 63 | typedef uint16 tsample_t; /* sample number */ |
| 64 | typedef uint32 tstrip_t; /* strip number */ |
| 65 | typedef uint32 ttile_t; /* tile number */ |
| 66 | typedef int32 tsize_t; /* i/o size in bytes */ |
| 67 | typedef void* tdata_t; /* image data ref */ |
| 68 | typedef uint32 toff_t; /* file offset */ |
| 69 | |
| 70 | #if !defined(__WIN32__) && (defined(_WIN32) || defined(WIN32)) |
| 71 | #define __WIN32__ |
| 72 | #endif |
| 73 | |
| 74 | /* |
| 75 | * On windows you should define USE_WIN32_FILEIO if you are using tif_win32.c |
| 76 | * or AVOID_WIN32_FILEIO if you are using something else (like tif_unix.c). |
| 77 | * |
| 78 | * By default tif_win32.c is assumed on windows if not using the cygwin |
| 79 | * environment. |
| 80 | */ |
| 81 | |
| 82 | #if defined(_WINDOWS) || defined(__WIN32__) || defined(_Windows) |
| 83 | # if !defined(__CYGWIN) && !defined(AVOID_WIN32_FILEIO) && !defined(USE_WIN32_FILIO) |
| 84 | # define USE_WIN32_FILEIO |
| 85 | # endif |
| 86 | #endif |
| 87 | |
| 88 | #if defined(USE_WIN32_FILEIO) |
| 89 | #include <windows.h> |
| 90 | #ifdef __WIN32__ |
| 91 | DECLARE_HANDLE(thandle_t); /* Win32 file handle */ |
| 92 | #else |
| 93 | typedef HFILE thandle_t; /* client data handle */ |
| 94 | #endif |
| 95 | #else |
| 96 | typedef void* thandle_t; /* client data handle */ |
| 97 | #endif |
| 98 | |
| 99 | #ifndef NULL |
| 100 | #define NULL 0 |
| 101 | #endif |
| 102 | |
| 103 | /* |
| 104 | * Flags to pass to TIFFPrintDirectory to control |
| 105 | * printing of data structures that are potentially |
| 106 | * very large. Bit-or these flags to enable printing |
| 107 | * multiple items. |
| 108 | */ |
| 109 | #define TIFFPRINT_NONE 0x0 /* no extra info */ |
| 110 | #define TIFFPRINT_STRIPS 0x1 /* strips/tiles info */ |
| 111 | #define TIFFPRINT_CURVES 0x2 /* color/gray response curves */ |
| 112 | #define TIFFPRINT_COLORMAP 0x4 /* colormap */ |
| 113 | #define TIFFPRINT_JPEGQTABLES 0x100 /* JPEG Q matrices */ |
| 114 | #define TIFFPRINT_JPEGACTABLES 0x200 /* JPEG AC tables */ |
| 115 | #define TIFFPRINT_JPEGDCTABLES 0x200 /* JPEG DC tables */ |
| 116 | |
| 117 | /* |
| 118 | * Colour conversion stuff |
| 119 | */ |
| 120 | |
| 121 | /* reference white */ |
| 122 | #define D65_X0 (95.0470F) |
| 123 | #define D65_Y0 (100.0F) |
| 124 | #define D65_Z0 (108.8827F) |
| 125 | |
| 126 | #define D50_X0 (96.4250F) |
| 127 | #define D50_Y0 (100.0F) |
| 128 | #define D50_Z0 (82.4680F) |
| 129 | |
| 130 | /* Structure for holding information about a display device. */ |
| 131 | |
| 132 | typedef unsigned char TIFFRGBValue; /* 8-bit samples */ |
| 133 | |
| 134 | typedef struct { |
| 135 | float d_mat[3][3]; /* XYZ -> luminance matrix */ |
| 136 | float d_YCR; /* Light o/p for reference white */ |
| 137 | float d_YCG; |
| 138 | float d_YCB; |
| 139 | uint32 d_Vrwr; /* Pixel values for ref. white */ |
| 140 | uint32 d_Vrwg; |
| 141 | uint32 d_Vrwb; |
| 142 | float d_Y0R; /* Residual light for black pixel */ |
| 143 | float d_Y0G; |
| 144 | float d_Y0B; |
| 145 | float d_gammaR; /* Gamma values for the three guns */ |
| 146 | float d_gammaG; |
| 147 | float d_gammaB; |
| 148 | } TIFFDisplay; |
| 149 | |
| 150 | typedef struct { /* YCbCr->RGB support */ |
| 151 | TIFFRGBValue* clamptab; /* range clamping table */ |
| 152 | int* Cr_r_tab; |
| 153 | int* Cb_b_tab; |
| 154 | int32* Cr_g_tab; |
| 155 | int32* Cb_g_tab; |
| 156 | int32* Y_tab; |
| 157 | } TIFFYCbCrToRGB; |
| 158 | |
| 159 | typedef struct { /* CIE Lab 1976->RGB support */ |
| 160 | int range; /* Size of conversion table */ |
| 161 | #define CIELABTORGB_TABLE_RANGE 1500 |
| 162 | float rstep, gstep, bstep; |
| 163 | float X0, Y0, Z0; /* Reference white point */ |
| 164 | TIFFDisplay display; |
| 165 | float Yr2r[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yr to r */ |
| 166 | float Yg2g[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yg to g */ |
| 167 | float Yb2b[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yb to b */ |
| 168 | } TIFFCIELabToRGB; |
| 169 | |
| 170 | extern int TIFFCIELabToRGBInit(TIFFCIELabToRGB*, TIFFDisplay *, float*); |
| 171 | extern void TIFFCIELabToXYZ(TIFFCIELabToRGB *, uint32, int32, int32, |
| 172 | float *, float *, float *); |
| 173 | extern void TIFFXYZToRGB(TIFFCIELabToRGB *, float, float, float, |
| 174 | uint32 *, uint32 *, uint32 *); |
| 175 | |
| 176 | extern int TIFFYCbCrToRGBInit(TIFFYCbCrToRGB*, float*, float*); |
| 177 | extern void TIFFYCbCrtoRGB(TIFFYCbCrToRGB *, uint32, int32, int32, |
| 178 | uint32 *, uint32 *, uint32 *); |
| 179 | |
| 180 | /* |
| 181 | * RGBA-style image support. |
| 182 | */ |
| 183 | typedef struct _TIFFRGBAImage TIFFRGBAImage; |
| 184 | /* |
| 185 | * The image reading and conversion routines invoke |
| 186 | * ``put routines'' to copy/image/whatever tiles of |
| 187 | * raw image data. A default set of routines are |
| 188 | * provided to convert/copy raw image data to 8-bit |
| 189 | * packed ABGR format rasters. Applications can supply |
| 190 | * alternate routines that unpack the data into a |
| 191 | * different format or, for example, unpack the data |
| 192 | * and draw the unpacked raster on the display. |
| 193 | */ |
| 194 | typedef void (*tileContigRoutine) |
| 195 | (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32, |
| 196 | unsigned char*); |
| 197 | typedef void (*tileSeparateRoutine) |
| 198 | (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32, |
| 199 | unsigned char*, unsigned char*, unsigned char*, unsigned char*); |
| 200 | /* |
| 201 | * RGBA-reader state. |
| 202 | */ |
| 203 | struct _TIFFRGBAImage { |
| 204 | TIFF* tif; /* image handle */ |
| 205 | int stoponerr; /* stop on read error */ |
| 206 | int isContig; /* data is packed/separate */ |
| 207 | int alpha; /* type of alpha data present */ |
| 208 | uint32 width; /* image width */ |
| 209 | uint32 height; /* image height */ |
| 210 | uint16 bitspersample; /* image bits/sample */ |
| 211 | uint16 samplesperpixel; /* image samples/pixel */ |
| 212 | uint16 orientation; /* image orientation */ |
| 213 | uint16 req_orientation; /* requested orientation */ |
| 214 | uint16 photometric; /* image photometric interp */ |
| 215 | uint16* redcmap; /* colormap pallete */ |
| 216 | uint16* greencmap; |
| 217 | uint16* bluecmap; |
| 218 | /* get image data routine */ |
| 219 | int (*get)(TIFFRGBAImage*, uint32*, uint32, uint32); |
| 220 | union { |
| 221 | void (*any)(TIFFRGBAImage*); |
| 222 | tileContigRoutine contig; |
| 223 | tileSeparateRoutine separate; |
| 224 | } put; /* put decoded strip/tile */ |
| 225 | TIFFRGBValue* Map; /* sample mapping array */ |
| 226 | uint32** BWmap; /* black&white map */ |
| 227 | uint32** PALmap; /* palette image map */ |
| 228 | TIFFYCbCrToRGB* ycbcr; /* YCbCr conversion state */ |
| 229 | TIFFCIELabToRGB* cielab; /* CIE L*a*b conversion state */ |
| 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(__cplusplus) |
| 267 | extern "C" { |
| 268 | #endif |
| 269 | typedef void (*TIFFErrorHandler)(const char*, const char*, va_list); |
| 270 | typedef tsize_t (*TIFFReadWriteProc)(thandle_t, tdata_t, tsize_t); |
| 271 | typedef toff_t (*TIFFSeekProc)(thandle_t, toff_t, int); |
| 272 | typedef int (*TIFFCloseProc)(thandle_t); |
| 273 | typedef toff_t (*TIFFSizeProc)(thandle_t); |
| 274 | typedef int (*TIFFMapFileProc)(thandle_t, tdata_t*, toff_t*); |
| 275 | typedef void (*TIFFUnmapFileProc)(thandle_t, tdata_t, toff_t); |
| 276 | typedef void (*TIFFExtendProc)(TIFF*); |
| 277 | |
| 278 | extern const char* TIFFGetVersion(void); |
| 279 | |
| 280 | extern const TIFFCodec* TIFFFindCODEC(uint16); |
| 281 | extern TIFFCodec* TIFFRegisterCODEC(uint16, const char*, TIFFInitMethod); |
| 282 | extern void TIFFUnRegisterCODEC(TIFFCodec*); |
| 283 | extern int TIFFIsCODECConfigured(uint16); |
| 284 | |
| 285 | extern tdata_t _TIFFmalloc(tsize_t); |
| 286 | extern tdata_t _TIFFrealloc(tdata_t, tsize_t); |
| 287 | extern void _TIFFmemset(tdata_t, int, tsize_t); |
| 288 | extern void _TIFFmemcpy(tdata_t, const tdata_t, tsize_t); |
| 289 | extern int _TIFFmemcmp(const tdata_t, const tdata_t, tsize_t); |
| 290 | extern void _TIFFfree(tdata_t); |
| 291 | |
| 292 | extern void TIFFClose(TIFF*); |
| 293 | extern int TIFFFlush(TIFF*); |
| 294 | extern int TIFFFlushData(TIFF*); |
| 295 | extern int TIFFGetField(TIFF*, ttag_t, ...); |
| 296 | extern int TIFFVGetField(TIFF*, ttag_t, va_list); |
| 297 | extern int TIFFGetFieldDefaulted(TIFF*, ttag_t, ...); |
| 298 | extern int TIFFVGetFieldDefaulted(TIFF*, ttag_t, va_list); |
| 299 | extern int TIFFReadDirectory(TIFF*); |
| 300 | extern tsize_t TIFFScanlineSize(TIFF*); |
| 301 | extern tsize_t TIFFRasterScanlineSize(TIFF*); |
| 302 | extern tsize_t TIFFStripSize(TIFF*); |
| 303 | extern tsize_t TIFFRawStripSize(TIFF*, tstrip_t); |
| 304 | extern tsize_t TIFFVStripSize(TIFF*, uint32); |
| 305 | extern tsize_t TIFFTileRowSize(TIFF*); |
| 306 | extern tsize_t TIFFTileSize(TIFF*); |
| 307 | extern tsize_t TIFFVTileSize(TIFF*, uint32); |
| 308 | extern uint32 TIFFDefaultStripSize(TIFF*, uint32); |
| 309 | extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*); |
| 310 | extern int TIFFFileno(TIFF*); |
| 311 | extern int TIFFGetMode(TIFF*); |
| 312 | extern int TIFFIsTiled(TIFF*); |
| 313 | extern int TIFFIsByteSwapped(TIFF*); |
| 314 | extern int TIFFIsUpSampled(TIFF*); |
| 315 | extern int TIFFIsMSB2LSB(TIFF*); |
| 316 | extern uint32 TIFFCurrentRow(TIFF*); |
| 317 | extern tdir_t TIFFCurrentDirectory(TIFF*); |
| 318 | extern tdir_t TIFFNumberOfDirectories(TIFF*); |
| 319 | extern uint32 TIFFCurrentDirOffset(TIFF*); |
| 320 | extern tstrip_t TIFFCurrentStrip(TIFF*); |
| 321 | extern ttile_t TIFFCurrentTile(TIFF*); |
| 322 | extern int TIFFReadBufferSetup(TIFF*, tdata_t, tsize_t); |
| 323 | extern int TIFFWriteBufferSetup(TIFF*, tdata_t, tsize_t); |
| 324 | extern int TIFFSetupStrips(TIFF *); |
| 325 | extern int TIFFWriteCheck(TIFF*, int, const char *); |
| 326 | extern int TIFFCreateDirectory(TIFF*); |
| 327 | extern int TIFFLastDirectory(TIFF*); |
| 328 | extern int TIFFSetDirectory(TIFF*, tdir_t); |
| 329 | extern int TIFFSetSubDirectory(TIFF*, uint32); |
| 330 | extern int TIFFUnlinkDirectory(TIFF*, tdir_t); |
| 331 | extern int TIFFSetField(TIFF*, ttag_t, ...); |
| 332 | extern int TIFFVSetField(TIFF*, ttag_t, va_list); |
| 333 | extern int TIFFWriteDirectory(TIFF *); |
| 334 | extern int TIFFCheckpointDirectory(TIFF *); |
| 335 | extern int TIFFRewriteDirectory(TIFF *); |
| 336 | extern int TIFFReassignTagToIgnore(enum TIFFIgnoreSense, int); |
| 337 | |
| 338 | #if defined(c_plusplus) || defined(__cplusplus) |
| 339 | extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0); |
| 340 | extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t = 0); |
| 341 | extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t = 0); |
| 342 | extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0); |
| 343 | extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, |
| 344 | int = ORIENTATION_BOTLEFT, int = 0); |
| 345 | #else |
| 346 | extern void TIFFPrintDirectory(TIFF*, FILE*, long); |
| 347 | extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t); |
| 348 | extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t); |
| 349 | extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int); |
| 350 | extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, int, int); |
| 351 | #endif |
| 352 | |
| 353 | extern int TIFFReadRGBAStrip(TIFF*, tstrip_t, uint32 * ); |
| 354 | extern int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * ); |
| 355 | extern int TIFFRGBAImageOK(TIFF*, char [1024]); |
| 356 | extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]); |
| 357 | extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32); |
| 358 | extern void TIFFRGBAImageEnd(TIFFRGBAImage*); |
| 359 | extern TIFF* TIFFOpen(const char*, const char*); |
| 360 | extern TIFF* TIFFFdOpen(int, const char*, const char*); |
| 361 | extern TIFF* TIFFClientOpen(const char*, const char*, |
| 362 | thandle_t, |
| 363 | TIFFReadWriteProc, TIFFReadWriteProc, |
| 364 | TIFFSeekProc, TIFFCloseProc, |
| 365 | TIFFSizeProc, |
| 366 | TIFFMapFileProc, TIFFUnmapFileProc); |
| 367 | extern const char* TIFFFileName(TIFF*); |
| 368 | extern void TIFFError(const char*, const char*, ...); |
| 369 | extern void TIFFWarning(const char*, const char*, ...); |
| 370 | extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler); |
| 371 | extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler); |
| 372 | extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc); |
| 373 | extern ttile_t TIFFComputeTile(TIFF*, uint32, uint32, uint32, tsample_t); |
| 374 | extern int TIFFCheckTile(TIFF*, uint32, uint32, uint32, tsample_t); |
| 375 | extern ttile_t TIFFNumberOfTiles(TIFF*); |
| 376 | extern tsize_t TIFFReadTile(TIFF*, |
| 377 | tdata_t, uint32, uint32, uint32, tsample_t); |
| 378 | extern tsize_t TIFFWriteTile(TIFF*, |
| 379 | tdata_t, uint32, uint32, uint32, tsample_t); |
| 380 | extern tstrip_t TIFFComputeStrip(TIFF*, uint32, tsample_t); |
| 381 | extern tstrip_t TIFFNumberOfStrips(TIFF*); |
| 382 | extern tsize_t TIFFReadEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 383 | extern tsize_t TIFFReadRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 384 | extern tsize_t TIFFReadEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 385 | extern tsize_t TIFFReadRawTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 386 | extern tsize_t TIFFWriteEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 387 | extern tsize_t TIFFWriteRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 388 | extern tsize_t TIFFWriteEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 389 | extern tsize_t TIFFWriteRawTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 390 | extern int TIFFDataWidth(TIFFDataType); /* table of tag datatype widths */ |
| 391 | extern void TIFFSetWriteOffset(TIFF*, toff_t); |
| 392 | extern void TIFFSwabShort(uint16*); |
| 393 | extern void TIFFSwabLong(uint32*); |
| 394 | extern void TIFFSwabDouble(double*); |
| 395 | extern void TIFFSwabArrayOfShort(uint16*, unsigned long); |
| 396 | extern void TIFFSwabArrayOfLong(uint32*, unsigned long); |
| 397 | extern void TIFFSwabArrayOfDouble(double*, unsigned long); |
| 398 | extern void TIFFReverseBits(unsigned char *, unsigned long); |
| 399 | extern const unsigned char* TIFFGetBitRevTable(int); |
| 400 | |
| 401 | #ifdef LOGLUV_PUBLIC |
| 402 | #define U_NEU 0.210526316 |
| 403 | #define V_NEU 0.473684211 |
| 404 | #define UVSCALE 410. |
| 405 | extern double LogL16toY(int); |
| 406 | extern double LogL10toY(int); |
| 407 | extern void XYZtoRGB24(float*, uint8*); |
| 408 | extern int uv_decode(double*, double*, int); |
| 409 | extern void LogLuv24toXYZ(uint32, float*); |
| 410 | extern void LogLuv32toXYZ(uint32, float*); |
| 411 | #if defined(c_plusplus) || defined(__cplusplus) |
| 412 | extern int LogL16fromY(double, int = SGILOGENCODE_NODITHER); |
| 413 | extern int LogL10fromY(double, int = SGILOGENCODE_NODITHER); |
| 414 | extern int uv_encode(double, double, int = SGILOGENCODE_NODITHER); |
| 415 | extern uint32 LogLuv24fromXYZ(float*, int = SGILOGENCODE_NODITHER); |
| 416 | extern uint32 LogLuv32fromXYZ(float*, int = SGILOGENCODE_NODITHER); |
| 417 | #else |
| 418 | extern int LogL16fromY(double, int); |
| 419 | extern int LogL10fromY(double, int); |
| 420 | extern int uv_encode(double, double, int); |
| 421 | extern uint32 LogLuv24fromXYZ(float*, int); |
| 422 | extern uint32 LogLuv32fromXYZ(float*, int); |
| 423 | #endif |
| 424 | #endif /* LOGLUV_PUBLIC */ |
| 425 | |
| 426 | /* |
| 427 | ** New stuff going public in 3.6.x. |
| 428 | */ |
| 429 | extern int TIFFGetTagListCount( TIFF * ); |
| 430 | extern ttag_t TIFFGetTagListEntry( TIFF *, int tag_index ); |
| 431 | |
| 432 | #define TIFF_ANY TIFF_NOTYPE /* for field descriptor searching */ |
| 433 | #define TIFF_VARIABLE -1 /* marker for variable length tags */ |
| 434 | #define TIFF_SPP -2 /* marker for SamplesPerPixel tags */ |
| 435 | #define TIFF_VARIABLE2 -3 /* marker for uint32 var-length tags */ |
| 436 | |
| 437 | #define FIELD_CUSTOM 65 |
| 438 | |
| 439 | typedef struct { |
| 440 | ttag_t field_tag; /* field's tag */ |
| 441 | short field_readcount; /* read count/TIFF_VARIABLE/TIFF_SPP */ |
| 442 | short field_writecount; /* write count/TIFF_VARIABLE */ |
| 443 | TIFFDataType field_type; /* type of associated data */ |
| 444 | unsigned short field_bit; /* bit in fieldsset bit vector */ |
| 445 | unsigned char field_oktochange; /* if true, can change while writing */ |
| 446 | unsigned char field_passcount; /* if true, pass dir count on set */ |
| 447 | char *field_name; /* ASCII name */ |
| 448 | } TIFFFieldInfo; |
| 449 | |
| 450 | typedef struct _TIFFTagValue { |
| 451 | const TIFFFieldInfo *info; |
| 452 | int count; |
| 453 | void *value; |
| 454 | } TIFFTagValue; |
| 455 | |
| 456 | extern void TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], int); |
| 457 | extern const TIFFFieldInfo* TIFFFindFieldInfo(TIFF*, ttag_t, TIFFDataType); |
| 458 | extern const TIFFFieldInfo* TIFFFieldWithTag(TIFF*, ttag_t); |
| 459 | |
| 460 | typedef int (*TIFFVSetMethod)(TIFF*, ttag_t, va_list); |
| 461 | typedef int (*TIFFVGetMethod)(TIFF*, ttag_t, va_list); |
| 462 | typedef void (*TIFFPrintMethod)(TIFF*, FILE*, long); |
| 463 | |
| 464 | typedef struct { |
| 465 | TIFFVSetMethod vsetfield; /* tag set routine */ |
| 466 | TIFFVGetMethod vgetfield; /* tag get routine */ |
| 467 | TIFFPrintMethod printdir; /* directory print routine */ |
| 468 | } TIFFTagMethods; |
| 469 | |
| 470 | extern TIFFTagMethods *TIFFAccessTagMethods( TIFF * ); |
| 471 | extern void *TIFFGetClientInfo( TIFF *, const char * ); |
| 472 | extern void TIFFSetClientInfo( TIFF *, void *, const char * ); |
| 473 | |
| 474 | #if defined(__cplusplus) |
| 475 | } |
| 476 | #endif |
| 477 | #endif /* _TIFFIO_ */ |