| 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 | |
| 35 | /* |
| 36 | * This define can be used in code that requires |
| 37 | * compilation-related definitions specific to a |
| 38 | * version or versions of the library. Runtime |
| 39 | * version checking should be done based on the |
| 40 | * string returned by TIFFGetVersion. |
| 41 | */ |
| 42 | #define TIFFLIB_VERSION 19970127 /* January 27, 1997 */ |
| 43 | |
| 44 | /* |
| 45 | * TIFF is defined as an incomplete type to hide the |
| 46 | * library's internal data structures from clients. |
| 47 | */ |
| 48 | typedef struct tiff TIFF; |
| 49 | |
| 50 | /* |
| 51 | * The following typedefs define the intrinsic size of |
| 52 | * data types used in the *exported* interfaces. These |
| 53 | * definitions depend on the proper definition of types |
| 54 | * in tiff.h. Note also that the varargs interface used |
| 55 | * to pass tag types and values uses the types defined in |
| 56 | * tiff.h directly. |
| 57 | * |
| 58 | * NB: ttag_t is unsigned int and not unsigned short because |
| 59 | * ANSI C requires that the type before the ellipsis be a |
| 60 | * promoted type (i.e. one of int, unsigned int, pointer, |
| 61 | * or double) and because we defined pseudo-tags that are |
| 62 | * outside the range of legal Aldus-assigned tags. |
| 63 | * NB: tsize_t is int32 and not uint32 because some functions |
| 64 | * return -1. |
| 65 | * NB: toff_t is not off_t for many reasons; TIFFs max out at |
| 66 | * 32-bit file offsets being the most important |
| 67 | */ |
| 68 | typedef uint32 ttag_t; /* directory tag */ |
| 69 | typedef uint16 tdir_t; /* directory index */ |
| 70 | typedef uint16 tsample_t; /* sample number */ |
| 71 | typedef uint32 tstrip_t; /* strip number */ |
| 72 | typedef uint32 ttile_t; /* tile number */ |
| 73 | typedef int32 tsize_t; /* i/o size in bytes */ |
| 74 | typedef void* tdata_t; /* image data ref */ |
| 75 | typedef int32 toff_t; /* file offset */ |
| 76 | |
| 77 | #if !defined(__WIN32__) && (defined(_WIN32) || defined(WIN32)) |
| 78 | #define __WIN32__ |
| 79 | #endif |
| 80 | #if defined(_WINDOWS) || defined(__WIN32__) || defined(_Windows) |
| 81 | #include <windows.h> |
| 82 | #ifdef __WIN32__ |
| 83 | DECLARE_HANDLE(thandle_t); /* Win32 file handle */ |
| 84 | #else |
| 85 | typedef HFILE thandle_t; /* client data handle */ |
| 86 | #endif |
| 87 | #else |
| 88 | typedef void* thandle_t; /* client data handle */ |
| 89 | #endif |
| 90 | |
| 91 | #if defined(__VISAGECPP__) |
| 92 | #define LINKAGEMODE _Optlink |
| 93 | #else |
| 94 | #define LINKAGEMODE |
| 95 | #endif |
| 96 | |
| 97 | #ifndef NULL |
| 98 | #define NULL 0 |
| 99 | #endif |
| 100 | |
| 101 | /* |
| 102 | * Flags to pass to TIFFPrintDirectory to control |
| 103 | * printing of data structures that are potentially |
| 104 | * very large. Bit-or these flags to enable printing |
| 105 | * multiple items. |
| 106 | */ |
| 107 | #define TIFFPRINT_NONE 0x0 /* no extra info */ |
| 108 | #define TIFFPRINT_STRIPS 0x1 /* strips/tiles info */ |
| 109 | #define TIFFPRINT_CURVES 0x2 /* color/gray response curves */ |
| 110 | #define TIFFPRINT_COLORMAP 0x4 /* colormap */ |
| 111 | #define TIFFPRINT_JPEGQTABLES 0x100 /* JPEG Q matrices */ |
| 112 | #define TIFFPRINT_JPEGACTABLES 0x200 /* JPEG AC tables */ |
| 113 | #define TIFFPRINT_JPEGDCTABLES 0x200 /* JPEG DC tables */ |
| 114 | |
| 115 | /* |
| 116 | * RGBA-style image support. |
| 117 | */ |
| 118 | typedef unsigned char TIFFRGBValue; /* 8-bit samples */ |
| 119 | typedef struct _TIFFRGBAImage TIFFRGBAImage; |
| 120 | /* |
| 121 | * The image reading and conversion routines invoke |
| 122 | * ``put routines'' to copy/image/whatever tiles of |
| 123 | * raw image data. A default set of routines are |
| 124 | * provided to convert/copy raw image data to 8-bit |
| 125 | * packed ABGR format rasters. Applications can supply |
| 126 | * alternate routines that unpack the data into a |
| 127 | * different format or, for example, unpack the data |
| 128 | * and draw the unpacked raster on the display. |
| 129 | */ |
| 130 | typedef void (LINKAGEMODE *tileContigRoutine) |
| 131 | (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32, |
| 132 | unsigned char*); |
| 133 | typedef void (LINKAGEMODE *tileSeparateRoutine) |
| 134 | (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32, |
| 135 | unsigned char*, unsigned char*, unsigned char*, unsigned char*); |
| 136 | /* |
| 137 | * RGBA-reader state. |
| 138 | */ |
| 139 | typedef struct { /* YCbCr->RGB support */ |
| 140 | TIFFRGBValue* clamptab; /* range clamping table */ |
| 141 | int* Cr_r_tab; |
| 142 | int* Cb_b_tab; |
| 143 | int32* Cr_g_tab; |
| 144 | int32* Cb_g_tab; |
| 145 | float coeffs[3]; /* cached for repeated use */ |
| 146 | } TIFFYCbCrToRGB; |
| 147 | |
| 148 | struct _TIFFRGBAImage { |
| 149 | TIFF* tif; /* image handle */ |
| 150 | int stoponerr; /* stop on read error */ |
| 151 | int isContig; /* data is packed/separate */ |
| 152 | int alpha; /* type of alpha data present */ |
| 153 | uint32 width; /* image width */ |
| 154 | uint32 height; /* image height */ |
| 155 | uint16 bitspersample; /* image bits/sample */ |
| 156 | uint16 samplesperpixel; /* image samples/pixel */ |
| 157 | uint16 orientation; /* image orientation */ |
| 158 | uint16 photometric; /* image photometric interp */ |
| 159 | uint16* redcmap; /* colormap pallete */ |
| 160 | uint16* greencmap; |
| 161 | uint16* bluecmap; |
| 162 | /* get image data routine */ |
| 163 | int (LINKAGEMODE *get)(TIFFRGBAImage*, uint32*, uint32, uint32); |
| 164 | union { |
| 165 | void (*any)(TIFFRGBAImage*); |
| 166 | tileContigRoutine contig; |
| 167 | tileSeparateRoutine separate; |
| 168 | } put; /* put decoded strip/tile */ |
| 169 | TIFFRGBValue* Map; /* sample mapping array */ |
| 170 | uint32** BWmap; /* black&white map */ |
| 171 | uint32** PALmap; /* palette image map */ |
| 172 | TIFFYCbCrToRGB* ycbcr; /* YCbCr conversion state */ |
| 173 | |
| 174 | int row_offset; |
| 175 | int col_offset; |
| 176 | }; |
| 177 | |
| 178 | /* |
| 179 | * Macros for extracting components from the |
| 180 | * packed ABGR form returned by TIFFReadRGBAImage. |
| 181 | */ |
| 182 | #define TIFFGetR(abgr) ((abgr) & 0xff) |
| 183 | #define TIFFGetG(abgr) (((abgr) >> 8) & 0xff) |
| 184 | #define TIFFGetB(abgr) (((abgr) >> 16) & 0xff) |
| 185 | #define TIFFGetA(abgr) (((abgr) >> 24) & 0xff) |
| 186 | |
| 187 | /* |
| 188 | * A CODEC is a software package that implements decoding, |
| 189 | * encoding, or decoding+encoding of a compression algorithm. |
| 190 | * The library provides a collection of builtin codecs. |
| 191 | * More codecs may be registered through calls to the library |
| 192 | * and/or the builtin implementations may be overridden. |
| 193 | */ |
| 194 | typedef int (LINKAGEMODE *TIFFInitMethod)(TIFF*, int); |
| 195 | typedef struct { |
| 196 | char* name; |
| 197 | uint16 scheme; |
| 198 | TIFFInitMethod init; |
| 199 | } TIFFCodec; |
| 200 | |
| 201 | #include <stdio.h> |
| 202 | #include <stdarg.h> |
| 203 | |
| 204 | #if defined(__cplusplus) |
| 205 | extern "C" { |
| 206 | #endif |
| 207 | typedef void (LINKAGEMODE *TIFFErrorHandler)(const char*, const char*, va_list); |
| 208 | typedef tsize_t (LINKAGEMODE *TIFFReadWriteProc)(thandle_t, tdata_t, tsize_t); |
| 209 | typedef toff_t (LINKAGEMODE *TIFFSeekProc)(thandle_t, toff_t, int); |
| 210 | typedef int (LINKAGEMODE *TIFFCloseProc)(thandle_t); |
| 211 | typedef toff_t (LINKAGEMODE *TIFFSizeProc)(thandle_t); |
| 212 | typedef int (LINKAGEMODE *TIFFMapFileProc)(thandle_t, tdata_t*, toff_t*); |
| 213 | typedef void (LINKAGEMODE *TIFFUnmapFileProc)(thandle_t, tdata_t, toff_t); |
| 214 | typedef void (LINKAGEMODE *TIFFExtendProc)(TIFF*); |
| 215 | |
| 216 | extern const char* TIFFGetVersion(void); |
| 217 | |
| 218 | extern const TIFFCodec* TIFFFindCODEC(uint16); |
| 219 | extern TIFFCodec* TIFFRegisterCODEC(uint16, const char*, TIFFInitMethod); |
| 220 | extern void TIFFUnRegisterCODEC(TIFFCodec*); |
| 221 | |
| 222 | extern tdata_t _TIFFmalloc(tsize_t); |
| 223 | extern tdata_t _TIFFrealloc(tdata_t, tsize_t); |
| 224 | extern void _TIFFmemset(tdata_t, int, tsize_t); |
| 225 | extern void _TIFFmemcpy(tdata_t, const tdata_t, tsize_t); |
| 226 | extern int _TIFFmemcmp(const tdata_t, const tdata_t, tsize_t); |
| 227 | extern void _TIFFfree(tdata_t); |
| 228 | |
| 229 | extern void TIFFClose(TIFF*); |
| 230 | extern int TIFFFlush(TIFF*); |
| 231 | extern int TIFFFlushData(TIFF*); |
| 232 | extern int TIFFGetField(TIFF*, ttag_t, ...); |
| 233 | extern int TIFFVGetField(TIFF*, ttag_t, va_list); |
| 234 | extern int TIFFGetFieldDefaulted(TIFF*, ttag_t, ...); |
| 235 | extern int TIFFVGetFieldDefaulted(TIFF*, ttag_t, va_list); |
| 236 | extern int TIFFReadDirectory(TIFF*); |
| 237 | extern tsize_t TIFFScanlineSize(TIFF*); |
| 238 | extern tsize_t TIFFRasterScanlineSize(TIFF*); |
| 239 | extern tsize_t TIFFStripSize(TIFF*); |
| 240 | extern tsize_t TIFFVStripSize(TIFF*, uint32); |
| 241 | extern tsize_t TIFFTileRowSize(TIFF*); |
| 242 | extern tsize_t TIFFTileSize(TIFF*); |
| 243 | extern tsize_t TIFFVTileSize(TIFF*, uint32); |
| 244 | extern uint32 TIFFDefaultStripSize(TIFF*, uint32); |
| 245 | extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*); |
| 246 | extern int TIFFFileno(TIFF*); |
| 247 | extern int TIFFGetMode(TIFF*); |
| 248 | extern int TIFFIsTiled(TIFF*); |
| 249 | extern int TIFFIsByteSwapped(TIFF*); |
| 250 | extern int TIFFIsUpSampled(TIFF*); |
| 251 | extern int TIFFIsMSB2LSB(TIFF*); |
| 252 | extern uint32 TIFFCurrentRow(TIFF*); |
| 253 | extern tdir_t TIFFCurrentDirectory(TIFF*); |
| 254 | extern tdir_t TIFFNumberOfDirectories(TIFF*); |
| 255 | extern uint32 TIFFCurrentDirOffset(TIFF*); |
| 256 | extern tstrip_t TIFFCurrentStrip(TIFF*); |
| 257 | extern ttile_t TIFFCurrentTile(TIFF*); |
| 258 | extern int TIFFReadBufferSetup(TIFF*, tdata_t, tsize_t); |
| 259 | extern int TIFFWriteBufferSetup(TIFF*, tdata_t, tsize_t); |
| 260 | extern int TIFFLastDirectory(TIFF*); |
| 261 | extern int TIFFSetDirectory(TIFF*, tdir_t); |
| 262 | extern int TIFFSetSubDirectory(TIFF*, uint32); |
| 263 | extern int TIFFUnlinkDirectory(TIFF*, tdir_t); |
| 264 | extern int TIFFSetField(TIFF*, ttag_t, ...); |
| 265 | extern int TIFFVSetField(TIFF*, ttag_t, va_list); |
| 266 | extern int TIFFWriteDirectory(TIFF *); |
| 267 | extern int TIFFReassignTagToIgnore(enum TIFFIgnoreSense, int); |
| 268 | |
| 269 | #if defined(c_plusplus) || defined(__cplusplus) |
| 270 | extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0); |
| 271 | extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t = 0); |
| 272 | extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t = 0); |
| 273 | extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0); |
| 274 | #else |
| 275 | extern void TIFFPrintDirectory(TIFF*, FILE*, long); |
| 276 | extern int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t); |
| 277 | extern int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t); |
| 278 | extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int); |
| 279 | #endif |
| 280 | |
| 281 | extern int TIFFReadRGBAStrip(TIFF*, tstrip_t, uint32 * ); |
| 282 | extern int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * ); |
| 283 | extern int TIFFRGBAImageOK(TIFF*, char [1024]); |
| 284 | extern int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]); |
| 285 | extern int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32); |
| 286 | extern void TIFFRGBAImageEnd(TIFFRGBAImage*); |
| 287 | extern TIFF* TIFFOpen(const char*, const char*); |
| 288 | extern TIFF* TIFFFdOpen(int, const char*, const char*); |
| 289 | extern TIFF* TIFFClientOpen(const char*, const char*, |
| 290 | thandle_t, |
| 291 | TIFFReadWriteProc, TIFFReadWriteProc, |
| 292 | TIFFSeekProc, TIFFCloseProc, |
| 293 | TIFFSizeProc, |
| 294 | TIFFMapFileProc, TIFFUnmapFileProc); |
| 295 | extern const char* TIFFFileName(TIFF*); |
| 296 | extern void TIFFError(const char*, const char*, ...); |
| 297 | extern void TIFFWarning(const char*, const char*, ...); |
| 298 | extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler); |
| 299 | extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler); |
| 300 | extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc); |
| 301 | extern ttile_t TIFFComputeTile(TIFF*, uint32, uint32, uint32, tsample_t); |
| 302 | extern int TIFFCheckTile(TIFF*, uint32, uint32, uint32, tsample_t); |
| 303 | extern ttile_t TIFFNumberOfTiles(TIFF*); |
| 304 | extern tsize_t TIFFReadTile(TIFF*, |
| 305 | tdata_t, uint32, uint32, uint32, tsample_t); |
| 306 | extern tsize_t TIFFWriteTile(TIFF*, |
| 307 | tdata_t, uint32, uint32, uint32, tsample_t); |
| 308 | extern tstrip_t TIFFComputeStrip(TIFF*, uint32, tsample_t); |
| 309 | extern tstrip_t TIFFNumberOfStrips(TIFF*); |
| 310 | extern tsize_t TIFFReadEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 311 | extern tsize_t TIFFReadRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 312 | extern tsize_t TIFFReadEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 313 | extern tsize_t TIFFReadRawTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 314 | extern tsize_t TIFFWriteEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 315 | extern tsize_t TIFFWriteRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t); |
| 316 | extern tsize_t TIFFWriteEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 317 | extern tsize_t TIFFWriteRawTile(TIFF*, ttile_t, tdata_t, tsize_t); |
| 318 | extern void TIFFSetWriteOffset(TIFF*, toff_t); |
| 319 | extern void TIFFSwabShort(uint16*); |
| 320 | extern void TIFFSwabLong(uint32*); |
| 321 | extern void TIFFSwabDouble(double*); |
| 322 | extern void TIFFSwabArrayOfShort(uint16*, unsigned long); |
| 323 | extern void TIFFSwabArrayOfLong(uint32*, unsigned long); |
| 324 | extern void TIFFSwabArrayOfDouble(double*, unsigned long); |
| 325 | extern void TIFFReverseBits(unsigned char *, unsigned long); |
| 326 | extern const unsigned char* TIFFGetBitRevTable(int); |
| 327 | #if defined(__cplusplus) |
| 328 | } |
| 329 | #endif |
| 330 | #endif /* _TIFFIO_ */ |