PBRT
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00001 /* $Id: tiffio.h,v 1.56.2.4 2010-06-08 18:50:43 bfriesen Exp $ */ 00002 00003 /* 00004 * Copyright (c) 1988-1997 Sam Leffler 00005 * Copyright (c) 1991-1997 Silicon Graphics, Inc. 00006 * 00007 * Permission to use, copy, modify, distribute, and sell this software and 00008 * its documentation for any purpose is hereby granted without fee, provided 00009 * that (i) the above copyright notices and this permission notice appear in 00010 * all copies of the software and related documentation, and (ii) the names of 00011 * Sam Leffler and Silicon Graphics may not be used in any advertising or 00012 * publicity relating to the software without the specific, prior written 00013 * permission of Sam Leffler and Silicon Graphics. 00014 * 00015 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 00016 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 00017 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. 00018 * 00019 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR 00020 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, 00021 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 00022 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 00023 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 00024 * OF THIS SOFTWARE. 00025 */ 00026 00027 #ifndef _TIFFIO_ 00028 #define _TIFFIO_ 00029 00030 /* 00031 * TIFF I/O Library Definitions. 00032 */ 00033 #include "tiff.h" 00034 #include "tiffvers.h" 00035 00036 /* 00037 * TIFF is defined as an incomplete type to hide the 00038 * library's internal data structures from clients. 00039 */ 00040 typedef struct tiff TIFF; 00041 00042 /* 00043 * The following typedefs define the intrinsic size of 00044 * data types used in the *exported* interfaces. These 00045 * definitions depend on the proper definition of types 00046 * in tiff.h. Note also that the varargs interface used 00047 * to pass tag types and values uses the types defined in 00048 * tiff.h directly. 00049 * 00050 * NB: ttag_t is unsigned int and not unsigned short because 00051 * ANSI C requires that the type before the ellipsis be a 00052 * promoted type (i.e. one of int, unsigned int, pointer, 00053 * or double) and because we defined pseudo-tags that are 00054 * outside the range of legal Aldus-assigned tags. 00055 * NB: tsize_t is int32 and not uint32 because some functions 00056 * return -1. 00057 * NB: toff_t is not off_t for many reasons; TIFFs max out at 00058 * 32-bit file offsets being the most important, and to ensure 00059 * that it is unsigned, rather than signed. 00060 */ 00061 typedef uint32 ttag_t; /* directory tag */ 00062 typedef uint16 tdir_t; /* directory index */ 00063 typedef uint16 tsample_t; /* sample number */ 00064 typedef uint32 tstrile_t; /* strip or tile number */ 00065 typedef tstrile_t tstrip_t; /* strip number */ 00066 typedef tstrile_t ttile_t; /* tile number */ 00067 typedef int32 tsize_t; /* i/o size in bytes */ 00068 typedef void* tdata_t; /* image data ref */ 00069 typedef uint32 toff_t; /* file offset */ 00070 00071 #if !defined(__WIN32__) && (defined(_WIN32) || defined(WIN32)) 00072 #define __WIN32__ 00073 #endif 00074 00075 /* 00076 * On windows you should define USE_WIN32_FILEIO if you are using tif_win32.c 00077 * or AVOID_WIN32_FILEIO if you are using something else (like tif_unix.c). 00078 * 00079 * By default tif_unix.c is assumed. 00080 */ 00081 00082 #if defined(_WINDOWS) || defined(__WIN32__) || defined(_Windows) 00083 # if !defined(__CYGWIN) && !defined(AVOID_WIN32_FILEIO) && !defined(USE_WIN32_FILEIO) 00084 # define AVOID_WIN32_FILEIO 00085 # endif 00086 #endif 00087 00088 #if defined(USE_WIN32_FILEIO) 00089 # define VC_EXTRALEAN 00090 # include <windows.h> 00091 # ifdef __WIN32__ 00092 DECLARE_HANDLE(thandle_t); /* Win32 file handle */ 00093 # else 00094 typedef HFILE thandle_t; /* client data handle */ 00095 # endif /* __WIN32__ */ 00096 #else 00097 typedef void* thandle_t; /* client data handle */ 00098 #endif /* USE_WIN32_FILEIO */ 00099 00100 /* 00101 * Flags to pass to TIFFPrintDirectory to control 00102 * printing of data structures that are potentially 00103 * very large. Bit-or these flags to enable printing 00104 * multiple items. 00105 */ 00106 #define TIFFPRINT_NONE 0x0 /* no extra info */ 00107 #define TIFFPRINT_STRIPS 0x1 /* strips/tiles info */ 00108 #define TIFFPRINT_CURVES 0x2 /* color/gray response curves */ 00109 #define TIFFPRINT_COLORMAP 0x4 /* colormap */ 00110 #define TIFFPRINT_JPEGQTABLES 0x100 /* JPEG Q matrices */ 00111 #define TIFFPRINT_JPEGACTABLES 0x200 /* JPEG AC tables */ 00112 #define TIFFPRINT_JPEGDCTABLES 0x200 /* JPEG DC tables */ 00113 00114 /* 00115 * Colour conversion stuff 00116 */ 00117 00118 /* reference white */ 00119 #define D65_X0 (95.0470F) 00120 #define D65_Y0 (100.0F) 00121 #define D65_Z0 (108.8827F) 00122 00123 #define D50_X0 (96.4250F) 00124 #define D50_Y0 (100.0F) 00125 #define D50_Z0 (82.4680F) 00126 00127 /* Structure for holding information about a display device. */ 00128 00129 typedef unsigned char TIFFRGBValue; /* 8-bit samples */ 00130 00131 typedef struct { 00132 float d_mat[3][3]; /* XYZ -> luminance matrix */ 00133 float d_YCR; /* Light o/p for reference white */ 00134 float d_YCG; 00135 float d_YCB; 00136 uint32 d_Vrwr; /* Pixel values for ref. white */ 00137 uint32 d_Vrwg; 00138 uint32 d_Vrwb; 00139 float d_Y0R; /* Residual light for black pixel */ 00140 float d_Y0G; 00141 float d_Y0B; 00142 float d_gammaR; /* Gamma values for the three guns */ 00143 float d_gammaG; 00144 float d_gammaB; 00145 } TIFFDisplay; 00146 00147 typedef struct { /* YCbCr->RGB support */ 00148 TIFFRGBValue* clamptab; /* range clamping table */ 00149 int* Cr_r_tab; 00150 int* Cb_b_tab; 00151 int32* Cr_g_tab; 00152 int32* Cb_g_tab; 00153 int32* Y_tab; 00154 } TIFFYCbCrToRGB; 00155 00156 typedef struct { /* CIE Lab 1976->RGB support */ 00157 int range; /* Size of conversion table */ 00158 #define CIELABTORGB_TABLE_RANGE 1500 00159 float rstep, gstep, bstep; 00160 float X0, Y0, Z0; /* Reference white point */ 00161 TIFFDisplay display; 00162 float Yr2r[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yr to r */ 00163 float Yg2g[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yg to g */ 00164 float Yb2b[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yb to b */ 00165 } TIFFCIELabToRGB; 00166 00167 /* 00168 * RGBA-style image support. 00169 */ 00170 typedef struct _TIFFRGBAImage TIFFRGBAImage; 00171 /* 00172 * The image reading and conversion routines invoke 00173 * ``put routines'' to copy/image/whatever tiles of 00174 * raw image data. A default set of routines are 00175 * provided to convert/copy raw image data to 8-bit 00176 * packed ABGR format rasters. Applications can supply 00177 * alternate routines that unpack the data into a 00178 * different format or, for example, unpack the data 00179 * and draw the unpacked raster on the display. 00180 */ 00181 typedef void (*tileContigRoutine) 00182 (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32, 00183 unsigned char*); 00184 typedef void (*tileSeparateRoutine) 00185 (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32, 00186 unsigned char*, unsigned char*, unsigned char*, unsigned char*); 00187 /* 00188 * RGBA-reader state. 00189 */ 00190 struct _TIFFRGBAImage { 00191 TIFF* tif; /* image handle */ 00192 int stoponerr; /* stop on read error */ 00193 int isContig; /* data is packed/separate */ 00194 int alpha; /* type of alpha data present */ 00195 uint32 width; /* image width */ 00196 uint32 height; /* image height */ 00197 uint16 bitspersample; /* image bits/sample */ 00198 uint16 samplesperpixel; /* image samples/pixel */ 00199 uint16 orientation; /* image orientation */ 00200 uint16 req_orientation; /* requested orientation */ 00201 uint16 photometric; /* image photometric interp */ 00202 uint16* redcmap; /* colormap pallete */ 00203 uint16* greencmap; 00204 uint16* bluecmap; 00205 /* get image data routine */ 00206 int (*get)(TIFFRGBAImage*, uint32*, uint32, uint32); 00207 /* put decoded strip/tile */ 00208 union { 00209 void (*any)(TIFFRGBAImage*); 00210 tileContigRoutine contig; 00211 tileSeparateRoutine separate; 00212 } put; 00213 TIFFRGBValue* Map; /* sample mapping array */ 00214 uint32** BWmap; /* black&white map */ 00215 uint32** PALmap; /* palette image map */ 00216 TIFFYCbCrToRGB* ycbcr; /* YCbCr conversion state */ 00217 TIFFCIELabToRGB* cielab; /* CIE L*a*b conversion state */ 00218 00219 int row_offset; 00220 int col_offset; 00221 }; 00222 00223 /* 00224 * Macros for extracting components from the 00225 * packed ABGR form returned by TIFFReadRGBAImage. 00226 */ 00227 #define TIFFGetR(abgr) ((abgr) & 0xff) 00228 #define TIFFGetG(abgr) (((abgr) >> 8) & 0xff) 00229 #define TIFFGetB(abgr) (((abgr) >> 16) & 0xff) 00230 #define TIFFGetA(abgr) (((abgr) >> 24) & 0xff) 00231 00232 /* 00233 * A CODEC is a software package that implements decoding, 00234 * encoding, or decoding+encoding of a compression algorithm. 00235 * The library provides a collection of builtin codecs. 00236 * More codecs may be registered through calls to the library 00237 * and/or the builtin implementations may be overridden. 00238 */ 00239 typedef int (*TIFFInitMethod)(TIFF*, int); 00240 typedef struct { 00241 char* name; 00242 uint16 scheme; 00243 TIFFInitMethod init; 00244 } TIFFCodec; 00245 00246 #include <stdio.h> 00247 #include <stdarg.h> 00248 00249 /* share internal LogLuv conversion routines? */ 00250 #ifndef LOGLUV_PUBLIC 00251 #define LOGLUV_PUBLIC 1 00252 #endif 00253 00254 #if !defined(__GNUC__) && !defined(__attribute__) 00255 # define __attribute__(x) /*nothing*/ 00256 #endif 00257 00258 #if defined(c_plusplus) || defined(__cplusplus) 00259 extern "C" { 00260 #endif 00261 typedef void (*TIFFErrorHandler)(const char*, const char*, va_list); 00262 typedef void (*TIFFErrorHandlerExt)(thandle_t, const char*, const char*, va_list); 00263 typedef tsize_t (*TIFFReadWriteProc)(thandle_t, tdata_t, tsize_t); 00264 typedef toff_t (*TIFFSeekProc)(thandle_t, toff_t, int); 00265 typedef int (*TIFFCloseProc)(thandle_t); 00266 typedef toff_t (*TIFFSizeProc)(thandle_t); 00267 typedef int (*TIFFMapFileProc)(thandle_t, tdata_t*, toff_t*); 00268 typedef void (*TIFFUnmapFileProc)(thandle_t, tdata_t, toff_t); 00269 typedef void (*TIFFExtendProc)(TIFF*); 00270 00271 extern const char* TIFFGetVersion(void); 00272 00273 extern const TIFFCodec* TIFFFindCODEC(uint16); 00274 extern TIFFCodec* TIFFRegisterCODEC(uint16, const char*, TIFFInitMethod); 00275 extern void TIFFUnRegisterCODEC(TIFFCodec*); 00276 extern int TIFFIsCODECConfigured(uint16); 00277 extern TIFFCodec* TIFFGetConfiguredCODECs(void); 00278 00279 /* 00280 * Auxiliary functions. 00281 */ 00282 00283 extern tdata_t _TIFFmalloc(tsize_t); 00284 extern tdata_t _TIFFrealloc(tdata_t, tsize_t); 00285 extern void _TIFFmemset(tdata_t, int, tsize_t); 00286 extern void _TIFFmemcpy(tdata_t, const tdata_t, tsize_t); 00287 extern int _TIFFmemcmp(const tdata_t, const tdata_t, tsize_t); 00288 extern void _TIFFfree(tdata_t); 00289 00290 /* 00291 ** Stuff, related to tag handling and creating custom tags. 00292 */ 00293 extern int TIFFGetTagListCount( TIFF * ); 00294 extern ttag_t TIFFGetTagListEntry( TIFF *, int tag_index ); 00295 00296 #define TIFF_ANY TIFF_NOTYPE /* for field descriptor searching */ 00297 #define TIFF_VARIABLE -1 /* marker for variable length tags */ 00298 #define TIFF_SPP -2 /* marker for SamplesPerPixel tags */ 00299 #define TIFF_VARIABLE2 -3 /* marker for uint32 var-length tags */ 00300 00301 #define FIELD_CUSTOM 65 00302 00303 typedef struct { 00304 ttag_t field_tag; /* field's tag */ 00305 short field_readcount; /* read count/TIFF_VARIABLE/TIFF_SPP */ 00306 short field_writecount; /* write count/TIFF_VARIABLE */ 00307 TIFFDataType field_type; /* type of associated data */ 00308 unsigned short field_bit; /* bit in fieldsset bit vector */ 00309 unsigned char field_oktochange; /* if true, can change while writing */ 00310 unsigned char field_passcount; /* if true, pass dir count on set */ 00311 char *field_name; /* ASCII name */ 00312 } TIFFFieldInfo; 00313 00314 typedef struct _TIFFTagValue { 00315 const TIFFFieldInfo *info; 00316 int count; 00317 void *value; 00318 } TIFFTagValue; 00319 00320 extern void TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], int); 00321 extern const TIFFFieldInfo* TIFFFindFieldInfo(TIFF*, ttag_t, TIFFDataType); 00322 extern const TIFFFieldInfo* TIFFFindFieldInfoByName(TIFF* , const char *, 00323 TIFFDataType); 00324 extern const TIFFFieldInfo* TIFFFieldWithTag(TIFF*, ttag_t); 00325 extern const TIFFFieldInfo* TIFFFieldWithName(TIFF*, const char *); 00326 00327 typedef int (*TIFFVSetMethod)(TIFF*, ttag_t, va_list); 00328 typedef int (*TIFFVGetMethod)(TIFF*, ttag_t, va_list); 00329 typedef void (*TIFFPrintMethod)(TIFF*, FILE*, long); 00330 00331 typedef struct { 00332 TIFFVSetMethod vsetfield; /* tag set routine */ 00333 TIFFVGetMethod vgetfield; /* tag get routine */ 00334 TIFFPrintMethod printdir; /* directory print routine */ 00335 } TIFFTagMethods; 00336 00337 extern TIFFTagMethods *TIFFAccessTagMethods( TIFF * ); 00338 extern void *TIFFGetClientInfo( TIFF *, const char * ); 00339 extern void TIFFSetClientInfo( TIFF *, void *, const char * ); 00340 00341 extern void TIFFCleanup(TIFF*); 00342 extern void TIFFClose(TIFF*); 00343 extern int TIFFFlush(TIFF*); 00344 extern int TIFFFlushData(TIFF*); 00345 extern int TIFFGetField(TIFF*, ttag_t, ...); 00346 extern int TIFFVGetField(TIFF*, ttag_t, va_list); 00347 extern int TIFFGetFieldDefaulted(TIFF*, ttag_t, ...); 00348 extern int TIFFVGetFieldDefaulted(TIFF*, ttag_t, va_list); 00349 extern int TIFFReadDirectory(TIFF*); 00350 extern int TIFFReadCustomDirectory(TIFF*, toff_t, const TIFFFieldInfo[], 00351 size_t); 00352 extern int TIFFReadEXIFDirectory(TIFF*, toff_t); 00353 extern tsize_t TIFFScanlineSize(TIFF*); 00354 extern tsize_t TIFFOldScanlineSize(TIFF*); 00355 extern tsize_t TIFFNewScanlineSize(TIFF*); 00356 extern tsize_t TIFFRasterScanlineSize(TIFF*); 00357 extern tsize_t TIFFStripSize(TIFF*); 00358 extern tsize_t TIFFRawStripSize(TIFF*, tstrip_t); 00359 extern tsize_t TIFFVStripSize(TIFF*, uint32); 00360 extern tsize_t TIFFTileRowSize(TIFF*); 00361 extern tsize_t TIFFTileSize(TIFF*); 00362 extern tsize_t TIFFVTileSize(TIFF*, uint32); 00363 extern uint32 TIFFDefaultStripSize(TIFF*, uint32); 00364 extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*); 00365 extern int TIFFFileno(TIFF*); 00366 extern int TIFFSetFileno(TIFF*, int); 00367 extern thandle_t TIFFClientdata(TIFF*); 00368 extern thandle_t TIFFSetClientdata(TIFF*, thandle_t); 00369 extern int TIFFGetMode(TIFF*); 00370 extern int TIFFSetMode(TIFF*, int); 00371 extern int TIFFIsTiled(TIFF*); 00372 extern int TIFFIsByteSwapped(TIFF*); 00373 extern int TIFFIsUpSampled(TIFF*); 00374 extern int TIFFIsMSB2LSB(TIFF*); 00375 extern int TIFFIsBigEndian(TIFF*); 00376 extern TIFFReadWriteProc TIFFGetReadProc(TIFF*); 00377 extern TIFFReadWriteProc TIFFGetWriteProc(TIFF*); 00378 extern TIFFSeekProc TIFFGetSeekProc(TIFF*); 00379 extern TIFFCloseProc TIFFGetCloseProc(TIFF*); 00380 extern TIFFSizeProc TIFFGetSizeProc(TIFF*); 00381 extern TIFFMapFileProc TIFFGetMapFileProc(TIFF*); 00382 extern TIFFUnmapFileProc TIFFGetUnmapFileProc(TIFF*); 00383 extern uint32 TIFFCurrentRow(TIFF*); 00384 extern tdir_t TIFFCurrentDirectory(TIFF*); 00385 extern tdir_t TIFFNumberOfDirectories(TIFF*); 00386 extern uint32 TIFFCurrentDirOffset(TIFF*); 00387 extern tstrip_t TIFFCurrentStrip(TIFF*); 00388 extern ttile_t TIFFCurrentTile(TIFF*); 00389 extern int TIFFReadBufferSetup(TIFF*, tdata_t, tsize_t); 00390 extern int TIFFWriteBufferSetup(TIFF*, tdata_t, tsize_t); 00391 extern int TIFFSetupStrips(TIFF *); 00392 extern int TIFFWriteCheck(TIFF*, int, const char *); 00393 extern void TIFFFreeDirectory(TIFF*); 00394 extern int TIFFCreateDirectory(TIFF*); 00395 extern int TIFFLastDirectory(TIFF*); 00396 extern int TIFFSetDirectory(TIFF*, tdir_t); 00397 extern int TIFFSetSubDirectory(TIFF*, uint32); 00398 extern int TIFFUnlinkDirectory(TIFF*, tdir_t); 00399 extern int TIFFSetField(TIFF*, ttag_t, ...); 00400 extern int TIFFVSetField(TIFF*, ttag_t, va_list); 00401 extern int TIFFWriteDirectory(TIFF *); 00402 extern int TIFFCheckpointDirectory(TIFF *); 00403 extern int TIFFRewriteDirectory(TIFF *); 00404 extern int TIFFReassignTagToIgnore(enum TIFFIgnoreSense, int); 00405 00406 #if defined(c_plusplus) || defined(__cplusplus) 00407 extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0); 00408 extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t = 0); 00409 extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t = 0); 00410 extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0); 00411 extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, 00412 int = ORIENTATION_BOTLEFT, int = 0); 00413 #else 00414 extern void TIFFPrintDirectory(TIFF*, FILE*, long); 00415 extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t); 00416 extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t); 00417 extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int); 00418 extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, int, int); 00419 #endif 00420 00421 extern int TIFFReadRGBAStrip(TIFF*, tstrip_t, uint32 * ); 00422 extern int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * ); 00423 extern int TIFFRGBAImageOK(TIFF*, char [1024]); 00424 extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]); 00425 extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32); 00426 extern void TIFFRGBAImageEnd(TIFFRGBAImage*); 00427 extern TIFF* TIFFOpen(const char*, const char*); 00428 # ifdef __WIN32__ 00429 extern TIFF* TIFFOpenW(const wchar_t*, const char*); 00430 # endif /* __WIN32__ */ 00431 extern TIFF* TIFFFdOpen(int, const char*, const char*); 00432 extern TIFF* TIFFClientOpen(const char*, const char*, 00433 thandle_t, 00434 TIFFReadWriteProc, TIFFReadWriteProc, 00435 TIFFSeekProc, TIFFCloseProc, 00436 TIFFSizeProc, 00437 TIFFMapFileProc, TIFFUnmapFileProc); 00438 extern const char* TIFFFileName(TIFF*); 00439 extern const char* TIFFSetFileName(TIFF*, const char *); 00440 extern void TIFFError(const char*, const char*, ...) __attribute__((format (printf,2,3))); 00441 extern void TIFFErrorExt(thandle_t, const char*, const char*, ...) __attribute__((format (printf,3,4))); 00442 extern void TIFFWarning(const char*, const char*, ...) __attribute__((format (printf,2,3))); 00443 extern void TIFFWarningExt(thandle_t, const char*, const char*, ...) __attribute__((format (printf,3,4))); 00444 extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler); 00445 extern TIFFErrorHandlerExt TIFFSetErrorHandlerExt(TIFFErrorHandlerExt); 00446 extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler); 00447 extern TIFFErrorHandlerExt TIFFSetWarningHandlerExt(TIFFErrorHandlerExt); 00448 extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc); 00449 extern ttile_t TIFFComputeTile(TIFF*, uint32, uint32, uint32, tsample_t); 00450 extern int TIFFCheckTile(TIFF*, uint32, uint32, uint32, tsample_t); 00451 extern ttile_t TIFFNumberOfTiles(TIFF*); 00452 extern tsize_t TIFFReadTile(TIFF*, 00453 tdata_t, uint32, uint32, uint32, tsample_t); 00454 extern tsize_t TIFFWriteTile(TIFF*, 00455 tdata_t, uint32, uint32, uint32, tsample_t); 00456 extern tstrip_t TIFFComputeStrip(TIFF*, uint32, tsample_t); 00457 extern tstrip_t TIFFNumberOfStrips(TIFF*); 00458 extern tsize_t TIFFReadEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t); 00459 extern tsize_t TIFFReadRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t); 00460 extern tsize_t TIFFReadEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t); 00461 extern tsize_t TIFFReadRawTile(TIFF*, ttile_t, tdata_t, tsize_t); 00462 extern tsize_t TIFFWriteEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t); 00463 extern tsize_t TIFFWriteRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t); 00464 extern tsize_t TIFFWriteEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t); 00465 extern tsize_t TIFFWriteRawTile(TIFF*, ttile_t, tdata_t, tsize_t); 00466 extern int TIFFDataWidth(TIFFDataType); /* table of tag datatype widths */ 00467 extern void TIFFSetWriteOffset(TIFF*, toff_t); 00468 extern void TIFFSwabShort(uint16*); 00469 extern void TIFFSwabLong(uint32*); 00470 extern void TIFFSwabDouble(double*); 00471 extern void TIFFSwabArrayOfShort(uint16*, unsigned long); 00472 extern void TIFFSwabArrayOfTriples(uint8*, unsigned long); 00473 extern void TIFFSwabArrayOfLong(uint32*, unsigned long); 00474 extern void TIFFSwabArrayOfDouble(double*, unsigned long); 00475 extern void TIFFReverseBits(unsigned char *, unsigned long); 00476 extern const unsigned char* TIFFGetBitRevTable(int); 00477 00478 #ifdef LOGLUV_PUBLIC 00479 #define U_NEU 0.210526316 00480 #define V_NEU 0.473684211 00481 #define UVSCALE 410. 00482 extern double LogL16toY(int); 00483 extern double LogL10toY(int); 00484 extern void XYZtoRGB24(float*, uint8*); 00485 extern int uv_decode(double*, double*, int); 00486 extern void LogLuv24toXYZ(uint32, float*); 00487 extern void LogLuv32toXYZ(uint32, float*); 00488 #if defined(c_plusplus) || defined(__cplusplus) 00489 extern int LogL16fromY(double, int = SGILOGENCODE_NODITHER); 00490 extern int LogL10fromY(double, int = SGILOGENCODE_NODITHER); 00491 extern int uv_encode(double, double, int = SGILOGENCODE_NODITHER); 00492 extern uint32 LogLuv24fromXYZ(float*, int = SGILOGENCODE_NODITHER); 00493 extern uint32 LogLuv32fromXYZ(float*, int = SGILOGENCODE_NODITHER); 00494 #else 00495 extern int LogL16fromY(double, int); 00496 extern int LogL10fromY(double, int); 00497 extern int uv_encode(double, double, int); 00498 extern uint32 LogLuv24fromXYZ(float*, int); 00499 extern uint32 LogLuv32fromXYZ(float*, int); 00500 #endif 00501 #endif /* LOGLUV_PUBLIC */ 00502 00503 extern int TIFFCIELabToRGBInit(TIFFCIELabToRGB*, TIFFDisplay *, float*); 00504 extern void TIFFCIELabToXYZ(TIFFCIELabToRGB *, uint32, int32, int32, 00505 float *, float *, float *); 00506 extern void TIFFXYZToRGB(TIFFCIELabToRGB *, float, float, float, 00507 uint32 *, uint32 *, uint32 *); 00508 00509 extern int TIFFYCbCrToRGBInit(TIFFYCbCrToRGB*, float*, float*); 00510 extern void TIFFYCbCrtoRGB(TIFFYCbCrToRGB *, uint32, int32, int32, 00511 uint32 *, uint32 *, uint32 *); 00512 00513 #if defined(c_plusplus) || defined(__cplusplus) 00514 } 00515 #endif 00516 00517 #endif /* _TIFFIO_ */ 00518 00519 /* vim: set ts=8 sts=8 sw=8 noet: */ 00520 /* 00521 * Local Variables: 00522 * mode: c 00523 * c-basic-offset: 8 00524 * fill-column: 78 00525 * End: 00526 */