1 /* $Id: tif_dirwrite.c,v 1.78 2015-05-31 00:38:46 bfriesen 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 /* 28 * TIFF Library. 29 * 30 * Directory Write Support Routines. 31 */ 32 #include "tiffiop.h" 33 34 #ifdef HAVE_IEEEFP 35 #define TIFFCvtNativeToIEEEFloat(tif, n, fp) 36 #define TIFFCvtNativeToIEEEDouble(tif, n, dp) 37 #else 38 extern void TIFFCvtNativeToIEEEFloat(TIFF* tif, uint32 n, float* fp); 39 extern void TIFFCvtNativeToIEEEDouble(TIFF* tif, uint32 n, double* dp); 40 #endif 41 42 static int TIFFWriteDirectorySec(TIFF* tif, int isimage, int imagedone, uint64* pdiroff); 43 44 static int TIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value); 45 #if 0 46 static int TIFFWriteDirectoryTagSampleformatPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value); 47 #endif 48 49 static int TIFFWriteDirectoryTagAscii(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, char* value); 50 static int TIFFWriteDirectoryTagUndefinedArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value); 51 #ifdef notdef 52 static int TIFFWriteDirectoryTagByte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value); 53 #endif 54 static int TIFFWriteDirectoryTagByteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value); 55 #if 0 56 static int TIFFWriteDirectoryTagBytePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value); 57 #endif 58 #ifdef notdef 59 static int TIFFWriteDirectoryTagSbyte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value); 60 #endif 61 static int TIFFWriteDirectoryTagSbyteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int8* value); 62 #if 0 63 static int TIFFWriteDirectoryTagSbytePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value); 64 #endif 65 static int TIFFWriteDirectoryTagShort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value); 66 static int TIFFWriteDirectoryTagShortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint16* value); 67 static int TIFFWriteDirectoryTagShortPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value); 68 #ifdef notdef 69 static int TIFFWriteDirectoryTagSshort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value); 70 #endif 71 static int TIFFWriteDirectoryTagSshortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int16* value); 72 #if 0 73 static int TIFFWriteDirectoryTagSshortPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value); 74 #endif 75 static int TIFFWriteDirectoryTagLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value); 76 static int TIFFWriteDirectoryTagLongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value); 77 #if 0 78 static int TIFFWriteDirectoryTagLongPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value); 79 #endif 80 #ifdef notdef 81 static int TIFFWriteDirectoryTagSlong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value); 82 #endif 83 static int TIFFWriteDirectoryTagSlongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int32* value); 84 #if 0 85 static int TIFFWriteDirectoryTagSlongPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value); 86 #endif 87 #ifdef notdef 88 static int TIFFWriteDirectoryTagLong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint64 value); 89 #endif 90 static int TIFFWriteDirectoryTagLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); 91 #ifdef notdef 92 static int TIFFWriteDirectoryTagSlong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int64 value); 93 #endif 94 static int TIFFWriteDirectoryTagSlong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int64* value); 95 static int TIFFWriteDirectoryTagRational(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value); 96 static int TIFFWriteDirectoryTagRationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value); 97 static int TIFFWriteDirectoryTagSrationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value); 98 #ifdef notdef 99 static int TIFFWriteDirectoryTagFloat(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value); 100 #endif 101 static int TIFFWriteDirectoryTagFloatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value); 102 #if 0 103 static int TIFFWriteDirectoryTagFloatPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value); 104 #endif 105 #ifdef notdef 106 static int TIFFWriteDirectoryTagDouble(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value); 107 #endif 108 static int TIFFWriteDirectoryTagDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value); 109 #if 0 110 static int TIFFWriteDirectoryTagDoublePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value); 111 #endif 112 static int TIFFWriteDirectoryTagIfdArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value); 113 #ifdef notdef 114 static int TIFFWriteDirectoryTagIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); 115 #endif 116 static int TIFFWriteDirectoryTagShortLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value); 117 static int TIFFWriteDirectoryTagLongLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); 118 static int TIFFWriteDirectoryTagIfdIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); 119 #ifdef notdef 120 static int TIFFWriteDirectoryTagShortLongLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); 121 #endif 122 static int TIFFWriteDirectoryTagColormap(TIFF* tif, uint32* ndir, TIFFDirEntry* dir); 123 static int TIFFWriteDirectoryTagTransferfunction(TIFF* tif, uint32* ndir, TIFFDirEntry* dir); 124 static int TIFFWriteDirectoryTagSubifd(TIFF* tif, uint32* ndir, TIFFDirEntry* dir); 125 126 static int TIFFWriteDirectoryTagCheckedAscii(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, char* value); 127 static int TIFFWriteDirectoryTagCheckedUndefinedArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value); 128 #ifdef notdef 129 static int TIFFWriteDirectoryTagCheckedByte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value); 130 #endif 131 static int TIFFWriteDirectoryTagCheckedByteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value); 132 #ifdef notdef 133 static int TIFFWriteDirectoryTagCheckedSbyte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value); 134 #endif 135 static int TIFFWriteDirectoryTagCheckedSbyteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int8* value); 136 static int TIFFWriteDirectoryTagCheckedShort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value); 137 static int TIFFWriteDirectoryTagCheckedShortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint16* value); 138 #ifdef notdef 139 static int TIFFWriteDirectoryTagCheckedSshort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value); 140 #endif 141 static int TIFFWriteDirectoryTagCheckedSshortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int16* value); 142 static int TIFFWriteDirectoryTagCheckedLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value); 143 static int TIFFWriteDirectoryTagCheckedLongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value); 144 #ifdef notdef 145 static int TIFFWriteDirectoryTagCheckedSlong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value); 146 #endif 147 static int TIFFWriteDirectoryTagCheckedSlongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int32* value); 148 #ifdef notdef 149 static int TIFFWriteDirectoryTagCheckedLong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint64 value); 150 #endif 151 static int TIFFWriteDirectoryTagCheckedLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); 152 #ifdef notdef 153 static int TIFFWriteDirectoryTagCheckedSlong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int64 value); 154 #endif 155 static int TIFFWriteDirectoryTagCheckedSlong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int64* value); 156 static int TIFFWriteDirectoryTagCheckedRational(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value); 157 static int TIFFWriteDirectoryTagCheckedRationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value); 158 static int TIFFWriteDirectoryTagCheckedSrationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value); 159 #ifdef notdef 160 static int TIFFWriteDirectoryTagCheckedFloat(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value); 161 #endif 162 static int TIFFWriteDirectoryTagCheckedFloatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value); 163 #ifdef notdef 164 static int TIFFWriteDirectoryTagCheckedDouble(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value); 165 #endif 166 static int TIFFWriteDirectoryTagCheckedDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value); 167 static int TIFFWriteDirectoryTagCheckedIfdArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value); 168 static int TIFFWriteDirectoryTagCheckedIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); 169 170 static int TIFFWriteDirectoryTagData(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 datatype, uint32 count, uint32 datalength, void* data); 171 172 static int TIFFLinkDirectory(TIFF*); 173 174 /* 175 * Write the contents of the current directory 176 * to the specified file. This routine doesn't 177 * handle overwriting a directory with auxiliary 178 * storage that's been changed. 179 */ 180 int 181 TIFFWriteDirectory(TIFF* tif) 182 { 183 return TIFFWriteDirectorySec(tif,TRUE,TRUE,NULL); 184 } 185 186 /* 187 * Similar to TIFFWriteDirectory(), writes the directory out 188 * but leaves all data structures in memory so that it can be 189 * written again. This will make a partially written TIFF file 190 * readable before it is successfully completed/closed. 191 */ 192 int 193 TIFFCheckpointDirectory(TIFF* tif) 194 { 195 int rc; 196 /* Setup the strips arrays, if they haven't already been. */ 197 if (tif->tif_dir.td_stripoffset == NULL) 198 (void) TIFFSetupStrips(tif); 199 rc = TIFFWriteDirectorySec(tif,TRUE,FALSE,NULL); 200 (void) TIFFSetWriteOffset(tif, TIFFSeekFile(tif, 0, SEEK_END)); 201 return rc; 202 } 203 204 int 205 TIFFWriteCustomDirectory(TIFF* tif, uint64* pdiroff) 206 { 207 return TIFFWriteDirectorySec(tif,FALSE,FALSE,pdiroff); 208 } 209 210 /* 211 * Similar to TIFFWriteDirectory(), but if the directory has already 212 * been written once, it is relocated to the end of the file, in case it 213 * has changed in size. Note that this will result in the loss of the 214 * previously used directory space. 215 */ 216 int 217 TIFFRewriteDirectory( TIFF *tif ) 218 { 219 static const char module[] = "TIFFRewriteDirectory"; 220 221 /* We don't need to do anything special if it hasn't been written. */ 222 if( tif->tif_diroff == 0 ) 223 return TIFFWriteDirectory( tif ); 224 225 /* 226 * Find and zero the pointer to this directory, so that TIFFLinkDirectory 227 * will cause it to be added after this directories current pre-link. 228 */ 229 230 if (!(tif->tif_flags&TIFF_BIGTIFF)) 231 { 232 if (tif->tif_header.classic.tiff_diroff == tif->tif_diroff) 233 { 234 tif->tif_header.classic.tiff_diroff = 0; 235 tif->tif_diroff = 0; 236 237 TIFFSeekFile(tif,4,SEEK_SET); 238 if (!WriteOK(tif, &(tif->tif_header.classic.tiff_diroff),4)) 239 { 240 TIFFErrorExt(tif->tif_clientdata, tif->tif_name, 241 "Error updating TIFF header"); 242 return (0); 243 } 244 } 245 else 246 { 247 uint32 nextdir; 248 nextdir = tif->tif_header.classic.tiff_diroff; 249 while(1) { 250 uint16 dircount; 251 uint32 nextnextdir; 252 253 if (!SeekOK(tif, nextdir) || 254 !ReadOK(tif, &dircount, 2)) { 255 TIFFErrorExt(tif->tif_clientdata, module, 256 "Error fetching directory count"); 257 return (0); 258 } 259 if (tif->tif_flags & TIFF_SWAB) 260 TIFFSwabShort(&dircount); 261 (void) TIFFSeekFile(tif, 262 nextdir+2+dircount*12, SEEK_SET); 263 if (!ReadOK(tif, &nextnextdir, 4)) { 264 TIFFErrorExt(tif->tif_clientdata, module, 265 "Error fetching directory link"); 266 return (0); 267 } 268 if (tif->tif_flags & TIFF_SWAB) 269 TIFFSwabLong(&nextnextdir); 270 if (nextnextdir==tif->tif_diroff) 271 { 272 uint32 m; 273 m=0; 274 (void) TIFFSeekFile(tif, 275 nextdir+2+dircount*12, SEEK_SET); 276 if (!WriteOK(tif, &m, 4)) { 277 TIFFErrorExt(tif->tif_clientdata, module, 278 "Error writing directory link"); 279 return (0); 280 } 281 tif->tif_diroff=0; 282 break; 283 } 284 nextdir=nextnextdir; 285 } 286 } 287 } 288 else 289 { 290 if (tif->tif_header.big.tiff_diroff == tif->tif_diroff) 291 { 292 tif->tif_header.big.tiff_diroff = 0; 293 tif->tif_diroff = 0; 294 295 TIFFSeekFile(tif,8,SEEK_SET); 296 if (!WriteOK(tif, &(tif->tif_header.big.tiff_diroff),8)) 297 { 298 TIFFErrorExt(tif->tif_clientdata, tif->tif_name, 299 "Error updating TIFF header"); 300 return (0); 301 } 302 } 303 else 304 { 305 uint64 nextdir; 306 nextdir = tif->tif_header.big.tiff_diroff; 307 while(1) { 308 uint64 dircount64; 309 uint16 dircount; 310 uint64 nextnextdir; 311 312 if (!SeekOK(tif, nextdir) || 313 !ReadOK(tif, &dircount64, 8)) { 314 TIFFErrorExt(tif->tif_clientdata, module, 315 "Error fetching directory count"); 316 return (0); 317 } 318 if (tif->tif_flags & TIFF_SWAB) 319 TIFFSwabLong8(&dircount64); 320 if (dircount64>0xFFFF) 321 { 322 TIFFErrorExt(tif->tif_clientdata, module, 323 "Sanity check on tag count failed, likely corrupt TIFF"); 324 return (0); 325 } 326 dircount=(uint16)dircount64; 327 (void) TIFFSeekFile(tif, 328 nextdir+8+dircount*20, SEEK_SET); 329 if (!ReadOK(tif, &nextnextdir, 8)) { 330 TIFFErrorExt(tif->tif_clientdata, module, 331 "Error fetching directory link"); 332 return (0); 333 } 334 if (tif->tif_flags & TIFF_SWAB) 335 TIFFSwabLong8(&nextnextdir); 336 if (nextnextdir==tif->tif_diroff) 337 { 338 uint64 m; 339 m=0; 340 (void) TIFFSeekFile(tif, 341 nextdir+8+dircount*20, SEEK_SET); 342 if (!WriteOK(tif, &m, 8)) { 343 TIFFErrorExt(tif->tif_clientdata, module, 344 "Error writing directory link"); 345 return (0); 346 } 347 tif->tif_diroff=0; 348 break; 349 } 350 nextdir=nextnextdir; 351 } 352 } 353 } 354 355 /* 356 * Now use TIFFWriteDirectory() normally. 357 */ 358 359 return TIFFWriteDirectory( tif ); 360 } 361 362 static int 363 TIFFWriteDirectorySec(TIFF* tif, int isimage, int imagedone, uint64* pdiroff) 364 { 365 static const char module[] = "TIFFWriteDirectorySec"; 366 uint32 ndir; 367 TIFFDirEntry* dir; 368 uint32 dirsize; 369 void* dirmem; 370 uint32 m; 371 if (tif->tif_mode == O_RDONLY) 372 return (1); 373 374 _TIFFFillStriles( tif ); 375 376 /* 377 * Clear write state so that subsequent images with 378 * different characteristics get the right buffers 379 * setup for them. 380 */ 381 if (imagedone) 382 { 383 if (tif->tif_flags & TIFF_POSTENCODE) 384 { 385 tif->tif_flags &= ~TIFF_POSTENCODE; 386 if (!(*tif->tif_postencode)(tif)) 387 { 388 TIFFErrorExt(tif->tif_clientdata,module, 389 "Error post-encoding before directory write"); 390 return (0); 391 } 392 } 393 (*tif->tif_close)(tif); /* shutdown encoder */ 394 /* 395 * Flush any data that might have been written 396 * by the compression close+cleanup routines. But 397 * be careful not to write stuff if we didn't add data 398 * in the previous steps as the "rawcc" data may well be 399 * a previously read tile/strip in mixed read/write mode. 400 */ 401 if (tif->tif_rawcc > 0 402 && (tif->tif_flags & TIFF_BEENWRITING) != 0 ) 403 { 404 if( !TIFFFlushData1(tif) ) 405 { 406 TIFFErrorExt(tif->tif_clientdata, module, 407 "Error flushing data before directory write"); 408 return (0); 409 } 410 } 411 if ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata) 412 { 413 _TIFFfree(tif->tif_rawdata); 414 tif->tif_rawdata = NULL; 415 tif->tif_rawcc = 0; 416 tif->tif_rawdatasize = 0; 417 tif->tif_rawdataoff = 0; 418 tif->tif_rawdataloaded = 0; 419 } 420 tif->tif_flags &= ~(TIFF_BEENWRITING|TIFF_BUFFERSETUP); 421 } 422 dir=NULL; 423 dirmem=NULL; 424 dirsize=0; 425 while (1) 426 { 427 ndir=0; 428 if (isimage) 429 { 430 if (TIFFFieldSet(tif,FIELD_IMAGEDIMENSIONS)) 431 { 432 if (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_IMAGEWIDTH,tif->tif_dir.td_imagewidth)) 433 goto bad; 434 if (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_IMAGELENGTH,tif->tif_dir.td_imagelength)) 435 goto bad; 436 } 437 if (TIFFFieldSet(tif,FIELD_TILEDIMENSIONS)) 438 { 439 if (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_TILEWIDTH,tif->tif_dir.td_tilewidth)) 440 goto bad; 441 if (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_TILELENGTH,tif->tif_dir.td_tilelength)) 442 goto bad; 443 } 444 if (TIFFFieldSet(tif,FIELD_RESOLUTION)) 445 { 446 if (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_XRESOLUTION,tif->tif_dir.td_xresolution)) 447 goto bad; 448 if (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_YRESOLUTION,tif->tif_dir.td_yresolution)) 449 goto bad; 450 } 451 if (TIFFFieldSet(tif,FIELD_POSITION)) 452 { 453 if (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_XPOSITION,tif->tif_dir.td_xposition)) 454 goto bad; 455 if (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_YPOSITION,tif->tif_dir.td_yposition)) 456 goto bad; 457 } 458 if (TIFFFieldSet(tif,FIELD_SUBFILETYPE)) 459 { 460 if (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_SUBFILETYPE,tif->tif_dir.td_subfiletype)) 461 goto bad; 462 } 463 if (TIFFFieldSet(tif,FIELD_BITSPERSAMPLE)) 464 { 465 if (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_BITSPERSAMPLE,tif->tif_dir.td_bitspersample)) 466 goto bad; 467 } 468 if (TIFFFieldSet(tif,FIELD_COMPRESSION)) 469 { 470 if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_COMPRESSION,tif->tif_dir.td_compression)) 471 goto bad; 472 } 473 if (TIFFFieldSet(tif,FIELD_PHOTOMETRIC)) 474 { 475 if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_PHOTOMETRIC,tif->tif_dir.td_photometric)) 476 goto bad; 477 } 478 if (TIFFFieldSet(tif,FIELD_THRESHHOLDING)) 479 { 480 if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_THRESHHOLDING,tif->tif_dir.td_threshholding)) 481 goto bad; 482 } 483 if (TIFFFieldSet(tif,FIELD_FILLORDER)) 484 { 485 if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_FILLORDER,tif->tif_dir.td_fillorder)) 486 goto bad; 487 } 488 if (TIFFFieldSet(tif,FIELD_ORIENTATION)) 489 { 490 if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_ORIENTATION,tif->tif_dir.td_orientation)) 491 goto bad; 492 } 493 if (TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL)) 494 { 495 if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_SAMPLESPERPIXEL,tif->tif_dir.td_samplesperpixel)) 496 goto bad; 497 } 498 if (TIFFFieldSet(tif,FIELD_ROWSPERSTRIP)) 499 { 500 if (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_ROWSPERSTRIP,tif->tif_dir.td_rowsperstrip)) 501 goto bad; 502 } 503 if (TIFFFieldSet(tif,FIELD_MINSAMPLEVALUE)) 504 { 505 if (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_MINSAMPLEVALUE,tif->tif_dir.td_minsamplevalue)) 506 goto bad; 507 } 508 if (TIFFFieldSet(tif,FIELD_MAXSAMPLEVALUE)) 509 { 510 if (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_MAXSAMPLEVALUE,tif->tif_dir.td_maxsamplevalue)) 511 goto bad; 512 } 513 if (TIFFFieldSet(tif,FIELD_PLANARCONFIG)) 514 { 515 if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_PLANARCONFIG,tif->tif_dir.td_planarconfig)) 516 goto bad; 517 } 518 if (TIFFFieldSet(tif,FIELD_RESOLUTIONUNIT)) 519 { 520 if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_RESOLUTIONUNIT,tif->tif_dir.td_resolutionunit)) 521 goto bad; 522 } 523 if (TIFFFieldSet(tif,FIELD_PAGENUMBER)) 524 { 525 if (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_PAGENUMBER,2,&tif->tif_dir.td_pagenumber[0])) 526 goto bad; 527 } 528 if (TIFFFieldSet(tif,FIELD_STRIPBYTECOUNTS)) 529 { 530 if (!isTiled(tif)) 531 { 532 if (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_STRIPBYTECOUNTS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripbytecount)) 533 goto bad; 534 } 535 else 536 { 537 if (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_TILEBYTECOUNTS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripbytecount)) 538 goto bad; 539 } 540 } 541 if (TIFFFieldSet(tif,FIELD_STRIPOFFSETS)) 542 { 543 if (!isTiled(tif)) 544 { 545 if (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_STRIPOFFSETS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripoffset)) 546 goto bad; 547 } 548 else 549 { 550 if (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_TILEOFFSETS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripoffset)) 551 goto bad; 552 } 553 } 554 if (TIFFFieldSet(tif,FIELD_COLORMAP)) 555 { 556 if (!TIFFWriteDirectoryTagColormap(tif,&ndir,dir)) 557 goto bad; 558 } 559 if (TIFFFieldSet(tif,FIELD_EXTRASAMPLES)) 560 { 561 if (tif->tif_dir.td_extrasamples) 562 { 563 uint16 na; 564 uint16* nb; 565 TIFFGetFieldDefaulted(tif,TIFFTAG_EXTRASAMPLES,&na,&nb); 566 if (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_EXTRASAMPLES,na,nb)) 567 goto bad; 568 } 569 } 570 if (TIFFFieldSet(tif,FIELD_SAMPLEFORMAT)) 571 { 572 if (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_SAMPLEFORMAT,tif->tif_dir.td_sampleformat)) 573 goto bad; 574 } 575 if (TIFFFieldSet(tif,FIELD_SMINSAMPLEVALUE)) 576 { 577 if (!TIFFWriteDirectoryTagSampleformatArray(tif,&ndir,dir,TIFFTAG_SMINSAMPLEVALUE,tif->tif_dir.td_samplesperpixel,tif->tif_dir.td_sminsamplevalue)) 578 goto bad; 579 } 580 if (TIFFFieldSet(tif,FIELD_SMAXSAMPLEVALUE)) 581 { 582 if (!TIFFWriteDirectoryTagSampleformatArray(tif,&ndir,dir,TIFFTAG_SMAXSAMPLEVALUE,tif->tif_dir.td_samplesperpixel,tif->tif_dir.td_smaxsamplevalue)) 583 goto bad; 584 } 585 if (TIFFFieldSet(tif,FIELD_IMAGEDEPTH)) 586 { 587 if (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_IMAGEDEPTH,tif->tif_dir.td_imagedepth)) 588 goto bad; 589 } 590 if (TIFFFieldSet(tif,FIELD_TILEDEPTH)) 591 { 592 if (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_TILEDEPTH,tif->tif_dir.td_tiledepth)) 593 goto bad; 594 } 595 if (TIFFFieldSet(tif,FIELD_HALFTONEHINTS)) 596 { 597 if (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_HALFTONEHINTS,2,&tif->tif_dir.td_halftonehints[0])) 598 goto bad; 599 } 600 if (TIFFFieldSet(tif,FIELD_YCBCRSUBSAMPLING)) 601 { 602 if (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_YCBCRSUBSAMPLING,2,&tif->tif_dir.td_ycbcrsubsampling[0])) 603 goto bad; 604 } 605 if (TIFFFieldSet(tif,FIELD_YCBCRPOSITIONING)) 606 { 607 if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_YCBCRPOSITIONING,tif->tif_dir.td_ycbcrpositioning)) 608 goto bad; 609 } 610 if (TIFFFieldSet(tif,FIELD_REFBLACKWHITE)) 611 { 612 if (!TIFFWriteDirectoryTagRationalArray(tif,&ndir,dir,TIFFTAG_REFERENCEBLACKWHITE,6,tif->tif_dir.td_refblackwhite)) 613 goto bad; 614 } 615 if (TIFFFieldSet(tif,FIELD_TRANSFERFUNCTION)) 616 { 617 if (!TIFFWriteDirectoryTagTransferfunction(tif,&ndir,dir)) 618 goto bad; 619 } 620 if (TIFFFieldSet(tif,FIELD_INKNAMES)) 621 { 622 if (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,TIFFTAG_INKNAMES,tif->tif_dir.td_inknameslen,tif->tif_dir.td_inknames)) 623 goto bad; 624 } 625 if (TIFFFieldSet(tif,FIELD_SUBIFD)) 626 { 627 if (!TIFFWriteDirectoryTagSubifd(tif,&ndir,dir)) 628 goto bad; 629 } 630 { 631 uint32 n; 632 for (n=0; n<tif->tif_nfields; n++) { 633 const TIFFField* o; 634 o = tif->tif_fields[n]; 635 if ((o->field_bit>=FIELD_CODEC)&&(TIFFFieldSet(tif,o->field_bit))) 636 { 637 switch (o->get_field_type) 638 { 639 case TIFF_SETGET_ASCII: 640 { 641 uint32 pa; 642 char* pb; 643 assert(o->field_type==TIFF_ASCII); 644 assert(o->field_readcount==TIFF_VARIABLE); 645 assert(o->field_passcount==0); 646 TIFFGetField(tif,o->field_tag,&pb); 647 pa=(uint32)(strlen(pb)); 648 if (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,o->field_tag,pa,pb)) 649 goto bad; 650 } 651 break; 652 case TIFF_SETGET_UINT16: 653 { 654 uint16 p; 655 assert(o->field_type==TIFF_SHORT); 656 assert(o->field_readcount==1); 657 assert(o->field_passcount==0); 658 TIFFGetField(tif,o->field_tag,&p); 659 if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,o->field_tag,p)) 660 goto bad; 661 } 662 break; 663 case TIFF_SETGET_UINT32: 664 { 665 uint32 p; 666 assert(o->field_type==TIFF_LONG); 667 assert(o->field_readcount==1); 668 assert(o->field_passcount==0); 669 TIFFGetField(tif,o->field_tag,&p); 670 if (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,o->field_tag,p)) 671 goto bad; 672 } 673 break; 674 case TIFF_SETGET_C32_UINT8: 675 { 676 uint32 pa; 677 void* pb; 678 assert(o->field_type==TIFF_UNDEFINED); 679 assert(o->field_readcount==TIFF_VARIABLE2); 680 assert(o->field_passcount==1); 681 TIFFGetField(tif,o->field_tag,&pa,&pb); 682 if (!TIFFWriteDirectoryTagUndefinedArray(tif,&ndir,dir,o->field_tag,pa,pb)) 683 goto bad; 684 } 685 break; 686 default: 687 assert(0); /* we should never get here */ 688 break; 689 } 690 } 691 } 692 } 693 } 694 for (m=0; m<(uint32)(tif->tif_dir.td_customValueCount); m++) 695 { 696 switch (tif->tif_dir.td_customValues[m].info->field_type) 697 { 698 case TIFF_ASCII: 699 if (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 700 goto bad; 701 break; 702 case TIFF_UNDEFINED: 703 if (!TIFFWriteDirectoryTagUndefinedArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 704 goto bad; 705 break; 706 case TIFF_BYTE: 707 if (!TIFFWriteDirectoryTagByteArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 708 goto bad; 709 break; 710 case TIFF_SBYTE: 711 if (!TIFFWriteDirectoryTagSbyteArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 712 goto bad; 713 break; 714 case TIFF_SHORT: 715 if (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 716 goto bad; 717 break; 718 case TIFF_SSHORT: 719 if (!TIFFWriteDirectoryTagSshortArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 720 goto bad; 721 break; 722 case TIFF_LONG: 723 if (!TIFFWriteDirectoryTagLongArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 724 goto bad; 725 break; 726 case TIFF_SLONG: 727 if (!TIFFWriteDirectoryTagSlongArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 728 goto bad; 729 break; 730 case TIFF_LONG8: 731 if (!TIFFWriteDirectoryTagLong8Array(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 732 goto bad; 733 break; 734 case TIFF_SLONG8: 735 if (!TIFFWriteDirectoryTagSlong8Array(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 736 goto bad; 737 break; 738 case TIFF_RATIONAL: 739 if (!TIFFWriteDirectoryTagRationalArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 740 goto bad; 741 break; 742 case TIFF_SRATIONAL: 743 if (!TIFFWriteDirectoryTagSrationalArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 744 goto bad; 745 break; 746 case TIFF_FLOAT: 747 if (!TIFFWriteDirectoryTagFloatArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 748 goto bad; 749 break; 750 case TIFF_DOUBLE: 751 if (!TIFFWriteDirectoryTagDoubleArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 752 goto bad; 753 break; 754 case TIFF_IFD: 755 if (!TIFFWriteDirectoryTagIfdArray(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 756 goto bad; 757 break; 758 case TIFF_IFD8: 759 if (!TIFFWriteDirectoryTagIfdIfd8Array(tif,&ndir,dir,tif->tif_dir.td_customValues[m].info->field_tag,tif->tif_dir.td_customValues[m].count,tif->tif_dir.td_customValues[m].value)) 760 goto bad; 761 break; 762 default: 763 assert(0); /* we should never get here */ 764 break; 765 } 766 } 767 if (dir!=NULL) 768 break; 769 dir=_TIFFmalloc(ndir*sizeof(TIFFDirEntry)); 770 if (dir==NULL) 771 { 772 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 773 goto bad; 774 } 775 if (isimage) 776 { 777 if ((tif->tif_diroff==0)&&(!TIFFLinkDirectory(tif))) 778 goto bad; 779 } 780 else 781 tif->tif_diroff=(TIFFSeekFile(tif,0,SEEK_END)+1)&(~1); 782 if (pdiroff!=NULL) 783 *pdiroff=tif->tif_diroff; 784 if (!(tif->tif_flags&TIFF_BIGTIFF)) 785 dirsize=2+ndir*12+4; 786 else 787 dirsize=8+ndir*20+8; 788 tif->tif_dataoff=tif->tif_diroff+dirsize; 789 if (!(tif->tif_flags&TIFF_BIGTIFF)) 790 tif->tif_dataoff=(uint32)tif->tif_dataoff; 791 if ((tif->tif_dataoff<tif->tif_diroff)||(tif->tif_dataoff<(uint64)dirsize)) 792 { 793 TIFFErrorExt(tif->tif_clientdata,module,"Maximum TIFF file size exceeded"); 794 goto bad; 795 } 796 if (tif->tif_dataoff&1) 797 tif->tif_dataoff++; 798 if (isimage) 799 tif->tif_curdir++; 800 } 801 if (isimage) 802 { 803 if (TIFFFieldSet(tif,FIELD_SUBIFD)&&(tif->tif_subifdoff==0)) 804 { 805 uint32 na; 806 TIFFDirEntry* nb; 807 for (na=0, nb=dir; ; na++, nb++) 808 { 809 assert(na<ndir); 810 if (nb->tdir_tag==TIFFTAG_SUBIFD) 811 break; 812 } 813 if (!(tif->tif_flags&TIFF_BIGTIFF)) 814 tif->tif_subifdoff=tif->tif_diroff+2+na*12+8; 815 else 816 tif->tif_subifdoff=tif->tif_diroff+8+na*20+12; 817 } 818 } 819 dirmem=_TIFFmalloc(dirsize); 820 if (dirmem==NULL) 821 { 822 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 823 goto bad; 824 } 825 if (!(tif->tif_flags&TIFF_BIGTIFF)) 826 { 827 uint8* n; 828 uint32 nTmp; 829 TIFFDirEntry* o; 830 n=dirmem; 831 *(uint16*)n=ndir; 832 if (tif->tif_flags&TIFF_SWAB) 833 TIFFSwabShort((uint16*)n); 834 n+=2; 835 o=dir; 836 for (m=0; m<ndir; m++) 837 { 838 *(uint16*)n=o->tdir_tag; 839 if (tif->tif_flags&TIFF_SWAB) 840 TIFFSwabShort((uint16*)n); 841 n+=2; 842 *(uint16*)n=o->tdir_type; 843 if (tif->tif_flags&TIFF_SWAB) 844 TIFFSwabShort((uint16*)n); 845 n+=2; 846 nTmp = (uint32)o->tdir_count; 847 _TIFFmemcpy(n,&nTmp,4); 848 if (tif->tif_flags&TIFF_SWAB) 849 TIFFSwabLong((uint32*)n); 850 n+=4; 851 /* This is correct. The data has been */ 852 /* swabbed previously in TIFFWriteDirectoryTagData */ 853 _TIFFmemcpy(n,&o->tdir_offset,4); 854 n+=4; 855 o++; 856 } 857 nTmp = (uint32)tif->tif_nextdiroff; 858 if (tif->tif_flags&TIFF_SWAB) 859 TIFFSwabLong(&nTmp); 860 _TIFFmemcpy(n,&nTmp,4); 861 } 862 else 863 { 864 uint8* n; 865 TIFFDirEntry* o; 866 n=dirmem; 867 *(uint64*)n=ndir; 868 if (tif->tif_flags&TIFF_SWAB) 869 TIFFSwabLong8((uint64*)n); 870 n+=8; 871 o=dir; 872 for (m=0; m<ndir; m++) 873 { 874 *(uint16*)n=o->tdir_tag; 875 if (tif->tif_flags&TIFF_SWAB) 876 TIFFSwabShort((uint16*)n); 877 n+=2; 878 *(uint16*)n=o->tdir_type; 879 if (tif->tif_flags&TIFF_SWAB) 880 TIFFSwabShort((uint16*)n); 881 n+=2; 882 _TIFFmemcpy(n,&o->tdir_count,8); 883 if (tif->tif_flags&TIFF_SWAB) 884 TIFFSwabLong8((uint64*)n); 885 n+=8; 886 _TIFFmemcpy(n,&o->tdir_offset,8); 887 n+=8; 888 o++; 889 } 890 _TIFFmemcpy(n,&tif->tif_nextdiroff,8); 891 if (tif->tif_flags&TIFF_SWAB) 892 TIFFSwabLong8((uint64*)n); 893 } 894 _TIFFfree(dir); 895 dir=NULL; 896 if (!SeekOK(tif,tif->tif_diroff)) 897 { 898 TIFFErrorExt(tif->tif_clientdata,module,"IO error writing directory"); 899 goto bad; 900 } 901 if (!WriteOK(tif,dirmem,(tmsize_t)dirsize)) 902 { 903 TIFFErrorExt(tif->tif_clientdata,module,"IO error writing directory"); 904 goto bad; 905 } 906 _TIFFfree(dirmem); 907 if (imagedone) 908 { 909 TIFFFreeDirectory(tif); 910 tif->tif_flags &= ~TIFF_DIRTYDIRECT; 911 tif->tif_flags &= ~TIFF_DIRTYSTRIP; 912 (*tif->tif_cleanup)(tif); 913 /* 914 * Reset directory-related state for subsequent 915 * directories. 916 */ 917 TIFFCreateDirectory(tif); 918 } 919 return(1); 920 bad: 921 if (dir!=NULL) 922 _TIFFfree(dir); 923 if (dirmem!=NULL) 924 _TIFFfree(dirmem); 925 return(0); 926 } 927 928 static int 929 TIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value) 930 { 931 static const char module[] = "TIFFWriteDirectoryTagSampleformatArray"; 932 void* conv; 933 uint32 i; 934 int ok; 935 conv = _TIFFmalloc(count*sizeof(double)); 936 if (conv == NULL) 937 { 938 TIFFErrorExt(tif->tif_clientdata, module, "Out of memory"); 939 return (0); 940 } 941 942 switch (tif->tif_dir.td_sampleformat) 943 { 944 case SAMPLEFORMAT_IEEEFP: 945 if (tif->tif_dir.td_bitspersample<=32) 946 { 947 for (i = 0; i < count; ++i) 948 ((float*)conv)[i] = (float)value[i]; 949 ok = TIFFWriteDirectoryTagFloatArray(tif,ndir,dir,tag,count,(float*)conv); 950 } 951 else 952 { 953 ok = TIFFWriteDirectoryTagDoubleArray(tif,ndir,dir,tag,count,value); 954 } 955 break; 956 case SAMPLEFORMAT_INT: 957 if (tif->tif_dir.td_bitspersample<=8) 958 { 959 for (i = 0; i < count; ++i) 960 ((int8*)conv)[i] = (int8)value[i]; 961 ok = TIFFWriteDirectoryTagSbyteArray(tif,ndir,dir,tag,count,(int8*)conv); 962 } 963 else if (tif->tif_dir.td_bitspersample<=16) 964 { 965 for (i = 0; i < count; ++i) 966 ((int16*)conv)[i] = (int16)value[i]; 967 ok = TIFFWriteDirectoryTagSshortArray(tif,ndir,dir,tag,count,(int16*)conv); 968 } 969 else 970 { 971 for (i = 0; i < count; ++i) 972 ((int32*)conv)[i] = (int32)value[i]; 973 ok = TIFFWriteDirectoryTagSlongArray(tif,ndir,dir,tag,count,(int32*)conv); 974 } 975 break; 976 case SAMPLEFORMAT_UINT: 977 if (tif->tif_dir.td_bitspersample<=8) 978 { 979 for (i = 0; i < count; ++i) 980 ((uint8*)conv)[i] = (uint8)value[i]; 981 ok = TIFFWriteDirectoryTagByteArray(tif,ndir,dir,tag,count,(uint8*)conv); 982 } 983 else if (tif->tif_dir.td_bitspersample<=16) 984 { 985 for (i = 0; i < count; ++i) 986 ((uint16*)conv)[i] = (uint16)value[i]; 987 ok = TIFFWriteDirectoryTagShortArray(tif,ndir,dir,tag,count,(uint16*)conv); 988 } 989 else 990 { 991 for (i = 0; i < count; ++i) 992 ((uint32*)conv)[i] = (uint32)value[i]; 993 ok = TIFFWriteDirectoryTagLongArray(tif,ndir,dir,tag,count,(uint32*)conv); 994 } 995 break; 996 default: 997 ok = 0; 998 } 999 1000 _TIFFfree(conv); 1001 return (ok); 1002 } 1003 1004 #if 0 1005 static int 1006 TIFFWriteDirectoryTagSampleformatPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value) 1007 { 1008 switch (tif->tif_dir.td_sampleformat) 1009 { 1010 case SAMPLEFORMAT_IEEEFP: 1011 if (tif->tif_dir.td_bitspersample<=32) 1012 return(TIFFWriteDirectoryTagFloatPerSample(tif,ndir,dir,tag,(float)value)); 1013 else 1014 return(TIFFWriteDirectoryTagDoublePerSample(tif,ndir,dir,tag,value)); 1015 case SAMPLEFORMAT_INT: 1016 if (tif->tif_dir.td_bitspersample<=8) 1017 return(TIFFWriteDirectoryTagSbytePerSample(tif,ndir,dir,tag,(int8)value)); 1018 else if (tif->tif_dir.td_bitspersample<=16) 1019 return(TIFFWriteDirectoryTagSshortPerSample(tif,ndir,dir,tag,(int16)value)); 1020 else 1021 return(TIFFWriteDirectoryTagSlongPerSample(tif,ndir,dir,tag,(int32)value)); 1022 case SAMPLEFORMAT_UINT: 1023 if (tif->tif_dir.td_bitspersample<=8) 1024 return(TIFFWriteDirectoryTagBytePerSample(tif,ndir,dir,tag,(uint8)value)); 1025 else if (tif->tif_dir.td_bitspersample<=16) 1026 return(TIFFWriteDirectoryTagShortPerSample(tif,ndir,dir,tag,(uint16)value)); 1027 else 1028 return(TIFFWriteDirectoryTagLongPerSample(tif,ndir,dir,tag,(uint32)value)); 1029 default: 1030 return(1); 1031 } 1032 } 1033 #endif 1034 1035 static int 1036 TIFFWriteDirectoryTagAscii(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, char* value) 1037 { 1038 if (dir==NULL) 1039 { 1040 (*ndir)++; 1041 return(1); 1042 } 1043 return(TIFFWriteDirectoryTagCheckedAscii(tif,ndir,dir,tag,count,value)); 1044 } 1045 1046 static int 1047 TIFFWriteDirectoryTagUndefinedArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value) 1048 { 1049 if (dir==NULL) 1050 { 1051 (*ndir)++; 1052 return(1); 1053 } 1054 return(TIFFWriteDirectoryTagCheckedUndefinedArray(tif,ndir,dir,tag,count,value)); 1055 } 1056 1057 #ifdef notdef 1058 static int 1059 TIFFWriteDirectoryTagByte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value) 1060 { 1061 if (dir==NULL) 1062 { 1063 (*ndir)++; 1064 return(1); 1065 } 1066 return(TIFFWriteDirectoryTagCheckedByte(tif,ndir,dir,tag,value)); 1067 } 1068 #endif 1069 1070 static int 1071 TIFFWriteDirectoryTagByteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value) 1072 { 1073 if (dir==NULL) 1074 { 1075 (*ndir)++; 1076 return(1); 1077 } 1078 return(TIFFWriteDirectoryTagCheckedByteArray(tif,ndir,dir,tag,count,value)); 1079 } 1080 1081 #if 0 1082 static int 1083 TIFFWriteDirectoryTagBytePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value) 1084 { 1085 static const char module[] = "TIFFWriteDirectoryTagBytePerSample"; 1086 uint8* m; 1087 uint8* na; 1088 uint16 nb; 1089 int o; 1090 if (dir==NULL) 1091 { 1092 (*ndir)++; 1093 return(1); 1094 } 1095 m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(uint8)); 1096 if (m==NULL) 1097 { 1098 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1099 return(0); 1100 } 1101 for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) 1102 *na=value; 1103 o=TIFFWriteDirectoryTagCheckedByteArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); 1104 _TIFFfree(m); 1105 return(o); 1106 } 1107 #endif 1108 1109 #ifdef notdef 1110 static int 1111 TIFFWriteDirectoryTagSbyte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value) 1112 { 1113 if (dir==NULL) 1114 { 1115 (*ndir)++; 1116 return(1); 1117 } 1118 return(TIFFWriteDirectoryTagCheckedSbyte(tif,ndir,dir,tag,value)); 1119 } 1120 #endif 1121 1122 static int 1123 TIFFWriteDirectoryTagSbyteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int8* value) 1124 { 1125 if (dir==NULL) 1126 { 1127 (*ndir)++; 1128 return(1); 1129 } 1130 return(TIFFWriteDirectoryTagCheckedSbyteArray(tif,ndir,dir,tag,count,value)); 1131 } 1132 1133 #if 0 1134 static int 1135 TIFFWriteDirectoryTagSbytePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value) 1136 { 1137 static const char module[] = "TIFFWriteDirectoryTagSbytePerSample"; 1138 int8* m; 1139 int8* na; 1140 uint16 nb; 1141 int o; 1142 if (dir==NULL) 1143 { 1144 (*ndir)++; 1145 return(1); 1146 } 1147 m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(int8)); 1148 if (m==NULL) 1149 { 1150 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1151 return(0); 1152 } 1153 for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) 1154 *na=value; 1155 o=TIFFWriteDirectoryTagCheckedSbyteArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); 1156 _TIFFfree(m); 1157 return(o); 1158 } 1159 #endif 1160 1161 static int 1162 TIFFWriteDirectoryTagShort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value) 1163 { 1164 if (dir==NULL) 1165 { 1166 (*ndir)++; 1167 return(1); 1168 } 1169 return(TIFFWriteDirectoryTagCheckedShort(tif,ndir,dir,tag,value)); 1170 } 1171 1172 static int 1173 TIFFWriteDirectoryTagShortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint16* value) 1174 { 1175 if (dir==NULL) 1176 { 1177 (*ndir)++; 1178 return(1); 1179 } 1180 return(TIFFWriteDirectoryTagCheckedShortArray(tif,ndir,dir,tag,count,value)); 1181 } 1182 1183 static int 1184 TIFFWriteDirectoryTagShortPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value) 1185 { 1186 static const char module[] = "TIFFWriteDirectoryTagShortPerSample"; 1187 uint16* m; 1188 uint16* na; 1189 uint16 nb; 1190 int o; 1191 if (dir==NULL) 1192 { 1193 (*ndir)++; 1194 return(1); 1195 } 1196 m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(uint16)); 1197 if (m==NULL) 1198 { 1199 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1200 return(0); 1201 } 1202 for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) 1203 *na=value; 1204 o=TIFFWriteDirectoryTagCheckedShortArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); 1205 _TIFFfree(m); 1206 return(o); 1207 } 1208 1209 #ifdef notdef 1210 static int 1211 TIFFWriteDirectoryTagSshort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value) 1212 { 1213 if (dir==NULL) 1214 { 1215 (*ndir)++; 1216 return(1); 1217 } 1218 return(TIFFWriteDirectoryTagCheckedSshort(tif,ndir,dir,tag,value)); 1219 } 1220 #endif 1221 1222 static int 1223 TIFFWriteDirectoryTagSshortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int16* value) 1224 { 1225 if (dir==NULL) 1226 { 1227 (*ndir)++; 1228 return(1); 1229 } 1230 return(TIFFWriteDirectoryTagCheckedSshortArray(tif,ndir,dir,tag,count,value)); 1231 } 1232 1233 #if 0 1234 static int 1235 TIFFWriteDirectoryTagSshortPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value) 1236 { 1237 static const char module[] = "TIFFWriteDirectoryTagSshortPerSample"; 1238 int16* m; 1239 int16* na; 1240 uint16 nb; 1241 int o; 1242 if (dir==NULL) 1243 { 1244 (*ndir)++; 1245 return(1); 1246 } 1247 m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(int16)); 1248 if (m==NULL) 1249 { 1250 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1251 return(0); 1252 } 1253 for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) 1254 *na=value; 1255 o=TIFFWriteDirectoryTagCheckedSshortArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); 1256 _TIFFfree(m); 1257 return(o); 1258 } 1259 #endif 1260 1261 static int 1262 TIFFWriteDirectoryTagLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value) 1263 { 1264 if (dir==NULL) 1265 { 1266 (*ndir)++; 1267 return(1); 1268 } 1269 return(TIFFWriteDirectoryTagCheckedLong(tif,ndir,dir,tag,value)); 1270 } 1271 1272 static int 1273 TIFFWriteDirectoryTagLongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value) 1274 { 1275 if (dir==NULL) 1276 { 1277 (*ndir)++; 1278 return(1); 1279 } 1280 return(TIFFWriteDirectoryTagCheckedLongArray(tif,ndir,dir,tag,count,value)); 1281 } 1282 1283 #if 0 1284 static int 1285 TIFFWriteDirectoryTagLongPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value) 1286 { 1287 static const char module[] = "TIFFWriteDirectoryTagLongPerSample"; 1288 uint32* m; 1289 uint32* na; 1290 uint16 nb; 1291 int o; 1292 if (dir==NULL) 1293 { 1294 (*ndir)++; 1295 return(1); 1296 } 1297 m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(uint32)); 1298 if (m==NULL) 1299 { 1300 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1301 return(0); 1302 } 1303 for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) 1304 *na=value; 1305 o=TIFFWriteDirectoryTagCheckedLongArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); 1306 _TIFFfree(m); 1307 return(o); 1308 } 1309 #endif 1310 1311 #ifdef notdef 1312 static int 1313 TIFFWriteDirectoryTagSlong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value) 1314 { 1315 if (dir==NULL) 1316 { 1317 (*ndir)++; 1318 return(1); 1319 } 1320 return(TIFFWriteDirectoryTagCheckedSlong(tif,ndir,dir,tag,value)); 1321 } 1322 #endif 1323 1324 static int 1325 TIFFWriteDirectoryTagSlongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int32* value) 1326 { 1327 if (dir==NULL) 1328 { 1329 (*ndir)++; 1330 return(1); 1331 } 1332 return(TIFFWriteDirectoryTagCheckedSlongArray(tif,ndir,dir,tag,count,value)); 1333 } 1334 1335 #if 0 1336 static int 1337 TIFFWriteDirectoryTagSlongPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value) 1338 { 1339 static const char module[] = "TIFFWriteDirectoryTagSlongPerSample"; 1340 int32* m; 1341 int32* na; 1342 uint16 nb; 1343 int o; 1344 if (dir==NULL) 1345 { 1346 (*ndir)++; 1347 return(1); 1348 } 1349 m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(int32)); 1350 if (m==NULL) 1351 { 1352 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1353 return(0); 1354 } 1355 for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) 1356 *na=value; 1357 o=TIFFWriteDirectoryTagCheckedSlongArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); 1358 _TIFFfree(m); 1359 return(o); 1360 } 1361 #endif 1362 1363 #ifdef notdef 1364 static int 1365 TIFFWriteDirectoryTagLong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint64 value) 1366 { 1367 if (dir==NULL) 1368 { 1369 (*ndir)++; 1370 return(1); 1371 } 1372 return(TIFFWriteDirectoryTagCheckedLong8(tif,ndir,dir,tag,value)); 1373 } 1374 #endif 1375 1376 static int 1377 TIFFWriteDirectoryTagLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) 1378 { 1379 if (dir==NULL) 1380 { 1381 (*ndir)++; 1382 return(1); 1383 } 1384 return(TIFFWriteDirectoryTagCheckedLong8Array(tif,ndir,dir,tag,count,value)); 1385 } 1386 1387 #ifdef notdef 1388 static int 1389 TIFFWriteDirectoryTagSlong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int64 value) 1390 { 1391 if (dir==NULL) 1392 { 1393 (*ndir)++; 1394 return(1); 1395 } 1396 return(TIFFWriteDirectoryTagCheckedSlong8(tif,ndir,dir,tag,value)); 1397 } 1398 #endif 1399 1400 static int 1401 TIFFWriteDirectoryTagSlong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int64* value) 1402 { 1403 if (dir==NULL) 1404 { 1405 (*ndir)++; 1406 return(1); 1407 } 1408 return(TIFFWriteDirectoryTagCheckedSlong8Array(tif,ndir,dir,tag,count,value)); 1409 } 1410 1411 static int 1412 TIFFWriteDirectoryTagRational(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value) 1413 { 1414 if (dir==NULL) 1415 { 1416 (*ndir)++; 1417 return(1); 1418 } 1419 return(TIFFWriteDirectoryTagCheckedRational(tif,ndir,dir,tag,value)); 1420 } 1421 1422 static int 1423 TIFFWriteDirectoryTagRationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value) 1424 { 1425 if (dir==NULL) 1426 { 1427 (*ndir)++; 1428 return(1); 1429 } 1430 return(TIFFWriteDirectoryTagCheckedRationalArray(tif,ndir,dir,tag,count,value)); 1431 } 1432 1433 static int 1434 TIFFWriteDirectoryTagSrationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value) 1435 { 1436 if (dir==NULL) 1437 { 1438 (*ndir)++; 1439 return(1); 1440 } 1441 return(TIFFWriteDirectoryTagCheckedSrationalArray(tif,ndir,dir,tag,count,value)); 1442 } 1443 1444 #ifdef notdef 1445 static int TIFFWriteDirectoryTagFloat(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value) 1446 { 1447 if (dir==NULL) 1448 { 1449 (*ndir)++; 1450 return(1); 1451 } 1452 return(TIFFWriteDirectoryTagCheckedFloat(tif,ndir,dir,tag,value)); 1453 } 1454 #endif 1455 1456 static int TIFFWriteDirectoryTagFloatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value) 1457 { 1458 if (dir==NULL) 1459 { 1460 (*ndir)++; 1461 return(1); 1462 } 1463 return(TIFFWriteDirectoryTagCheckedFloatArray(tif,ndir,dir,tag,count,value)); 1464 } 1465 1466 #if 0 1467 static int TIFFWriteDirectoryTagFloatPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value) 1468 { 1469 static const char module[] = "TIFFWriteDirectoryTagFloatPerSample"; 1470 float* m; 1471 float* na; 1472 uint16 nb; 1473 int o; 1474 if (dir==NULL) 1475 { 1476 (*ndir)++; 1477 return(1); 1478 } 1479 m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(float)); 1480 if (m==NULL) 1481 { 1482 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1483 return(0); 1484 } 1485 for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) 1486 *na=value; 1487 o=TIFFWriteDirectoryTagCheckedFloatArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); 1488 _TIFFfree(m); 1489 return(o); 1490 } 1491 #endif 1492 1493 #ifdef notdef 1494 static int TIFFWriteDirectoryTagDouble(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value) 1495 { 1496 if (dir==NULL) 1497 { 1498 (*ndir)++; 1499 return(1); 1500 } 1501 return(TIFFWriteDirectoryTagCheckedDouble(tif,ndir,dir,tag,value)); 1502 } 1503 #endif 1504 1505 static int TIFFWriteDirectoryTagDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value) 1506 { 1507 if (dir==NULL) 1508 { 1509 (*ndir)++; 1510 return(1); 1511 } 1512 return(TIFFWriteDirectoryTagCheckedDoubleArray(tif,ndir,dir,tag,count,value)); 1513 } 1514 1515 #if 0 1516 static int TIFFWriteDirectoryTagDoublePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value) 1517 { 1518 static const char module[] = "TIFFWriteDirectoryTagDoublePerSample"; 1519 double* m; 1520 double* na; 1521 uint16 nb; 1522 int o; 1523 if (dir==NULL) 1524 { 1525 (*ndir)++; 1526 return(1); 1527 } 1528 m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(double)); 1529 if (m==NULL) 1530 { 1531 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1532 return(0); 1533 } 1534 for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) 1535 *na=value; 1536 o=TIFFWriteDirectoryTagCheckedDoubleArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); 1537 _TIFFfree(m); 1538 return(o); 1539 } 1540 #endif 1541 1542 static int 1543 TIFFWriteDirectoryTagIfdArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value) 1544 { 1545 if (dir==NULL) 1546 { 1547 (*ndir)++; 1548 return(1); 1549 } 1550 return(TIFFWriteDirectoryTagCheckedIfdArray(tif,ndir,dir,tag,count,value)); 1551 } 1552 1553 #ifdef notdef 1554 static int 1555 TIFFWriteDirectoryTagIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) 1556 { 1557 if (dir==NULL) 1558 { 1559 (*ndir)++; 1560 return(1); 1561 } 1562 return(TIFFWriteDirectoryTagCheckedIfd8Array(tif,ndir,dir,tag,count,value)); 1563 } 1564 #endif 1565 1566 static int 1567 TIFFWriteDirectoryTagShortLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value) 1568 { 1569 if (dir==NULL) 1570 { 1571 (*ndir)++; 1572 return(1); 1573 } 1574 if (value<=0xFFFF) 1575 return(TIFFWriteDirectoryTagCheckedShort(tif,ndir,dir,tag,(uint16)value)); 1576 else 1577 return(TIFFWriteDirectoryTagCheckedLong(tif,ndir,dir,tag,value)); 1578 } 1579 1580 /************************************************************************/ 1581 /* TIFFWriteDirectoryTagLongLong8Array() */ 1582 /* */ 1583 /* Write out LONG8 array as LONG8 for BigTIFF or LONG for */ 1584 /* Classic TIFF with some checking. */ 1585 /************************************************************************/ 1586 1587 static int 1588 TIFFWriteDirectoryTagLongLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) 1589 { 1590 static const char module[] = "TIFFWriteDirectoryTagLongLong8Array"; 1591 uint64* ma; 1592 uint32 mb; 1593 uint32* p; 1594 uint32* q; 1595 int o; 1596 1597 /* is this just a counting pass? */ 1598 if (dir==NULL) 1599 { 1600 (*ndir)++; 1601 return(1); 1602 } 1603 1604 /* We always write LONG8 for BigTIFF, no checking needed. */ 1605 if( tif->tif_flags&TIFF_BIGTIFF ) 1606 return TIFFWriteDirectoryTagCheckedLong8Array(tif,ndir,dir, 1607 tag,count,value); 1608 1609 /* 1610 ** For classic tiff we want to verify everything is in range for LONG 1611 ** and convert to long format. 1612 */ 1613 1614 p = _TIFFmalloc(count*sizeof(uint32)); 1615 if (p==NULL) 1616 { 1617 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1618 return(0); 1619 } 1620 1621 for (q=p, ma=value, mb=0; mb<count; ma++, mb++, q++) 1622 { 1623 if (*ma>0xFFFFFFFF) 1624 { 1625 TIFFErrorExt(tif->tif_clientdata,module, 1626 "Attempt to write value larger than 0xFFFFFFFF in Classic TIFF file."); 1627 _TIFFfree(p); 1628 return(0); 1629 } 1630 *q= (uint32)(*ma); 1631 } 1632 1633 o=TIFFWriteDirectoryTagCheckedLongArray(tif,ndir,dir,tag,count,p); 1634 _TIFFfree(p); 1635 1636 return(o); 1637 } 1638 1639 /************************************************************************/ 1640 /* TIFFWriteDirectoryTagIfdIfd8Array() */ 1641 /* */ 1642 /* Write either IFD8 or IFD array depending on file type. */ 1643 /************************************************************************/ 1644 1645 static int 1646 TIFFWriteDirectoryTagIfdIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) 1647 { 1648 static const char module[] = "TIFFWriteDirectoryTagIfdIfd8Array"; 1649 uint64* ma; 1650 uint32 mb; 1651 uint32* p; 1652 uint32* q; 1653 int o; 1654 1655 /* is this just a counting pass? */ 1656 if (dir==NULL) 1657 { 1658 (*ndir)++; 1659 return(1); 1660 } 1661 1662 /* We always write IFD8 for BigTIFF, no checking needed. */ 1663 if( tif->tif_flags&TIFF_BIGTIFF ) 1664 return TIFFWriteDirectoryTagCheckedIfd8Array(tif,ndir,dir, 1665 tag,count,value); 1666 1667 /* 1668 ** For classic tiff we want to verify everything is in range for IFD 1669 ** and convert to long format. 1670 */ 1671 1672 p = _TIFFmalloc(count*sizeof(uint32)); 1673 if (p==NULL) 1674 { 1675 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1676 return(0); 1677 } 1678 1679 for (q=p, ma=value, mb=0; mb<count; ma++, mb++, q++) 1680 { 1681 if (*ma>0xFFFFFFFF) 1682 { 1683 TIFFErrorExt(tif->tif_clientdata,module, 1684 "Attempt to write value larger than 0xFFFFFFFF in Classic TIFF file."); 1685 _TIFFfree(p); 1686 return(0); 1687 } 1688 *q= (uint32)(*ma); 1689 } 1690 1691 o=TIFFWriteDirectoryTagCheckedIfdArray(tif,ndir,dir,tag,count,p); 1692 _TIFFfree(p); 1693 1694 return(o); 1695 } 1696 1697 #ifdef notdef 1698 static int 1699 TIFFWriteDirectoryTagShortLongLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) 1700 { 1701 static const char module[] = "TIFFWriteDirectoryTagShortLongLong8Array"; 1702 uint64* ma; 1703 uint32 mb; 1704 uint8 n; 1705 int o; 1706 if (dir==NULL) 1707 { 1708 (*ndir)++; 1709 return(1); 1710 } 1711 n=0; 1712 for (ma=value, mb=0; mb<count; ma++, mb++) 1713 { 1714 if ((n==0)&&(*ma>0xFFFF)) 1715 n=1; 1716 if ((n==1)&&(*ma>0xFFFFFFFF)) 1717 { 1718 n=2; 1719 break; 1720 } 1721 } 1722 if (n==0) 1723 { 1724 uint16* p; 1725 uint16* q; 1726 p=_TIFFmalloc(count*sizeof(uint16)); 1727 if (p==NULL) 1728 { 1729 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1730 return(0); 1731 } 1732 for (ma=value, mb=0, q=p; mb<count; ma++, mb++, q++) 1733 *q=(uint16)(*ma); 1734 o=TIFFWriteDirectoryTagCheckedShortArray(tif,ndir,dir,tag,count,p); 1735 _TIFFfree(p); 1736 } 1737 else if (n==1) 1738 { 1739 uint32* p; 1740 uint32* q; 1741 p=_TIFFmalloc(count*sizeof(uint32)); 1742 if (p==NULL) 1743 { 1744 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1745 return(0); 1746 } 1747 for (ma=value, mb=0, q=p; mb<count; ma++, mb++, q++) 1748 *q=(uint32)(*ma); 1749 o=TIFFWriteDirectoryTagCheckedLongArray(tif,ndir,dir,tag,count,p); 1750 _TIFFfree(p); 1751 } 1752 else 1753 { 1754 assert(n==2); 1755 o=TIFFWriteDirectoryTagCheckedLong8Array(tif,ndir,dir,tag,count,value); 1756 } 1757 return(o); 1758 } 1759 #endif 1760 static int 1761 TIFFWriteDirectoryTagColormap(TIFF* tif, uint32* ndir, TIFFDirEntry* dir) 1762 { 1763 static const char module[] = "TIFFWriteDirectoryTagColormap"; 1764 uint32 m; 1765 uint16* n; 1766 int o; 1767 if (dir==NULL) 1768 { 1769 (*ndir)++; 1770 return(1); 1771 } 1772 m=(1<<tif->tif_dir.td_bitspersample); 1773 n=_TIFFmalloc(3*m*sizeof(uint16)); 1774 if (n==NULL) 1775 { 1776 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1777 return(0); 1778 } 1779 _TIFFmemcpy(&n[0],tif->tif_dir.td_colormap[0],m*sizeof(uint16)); 1780 _TIFFmemcpy(&n[m],tif->tif_dir.td_colormap[1],m*sizeof(uint16)); 1781 _TIFFmemcpy(&n[2*m],tif->tif_dir.td_colormap[2],m*sizeof(uint16)); 1782 o=TIFFWriteDirectoryTagCheckedShortArray(tif,ndir,dir,TIFFTAG_COLORMAP,3*m,n); 1783 _TIFFfree(n); 1784 return(o); 1785 } 1786 1787 static int 1788 TIFFWriteDirectoryTagTransferfunction(TIFF* tif, uint32* ndir, TIFFDirEntry* dir) 1789 { 1790 static const char module[] = "TIFFWriteDirectoryTagTransferfunction"; 1791 uint32 m; 1792 uint16 n; 1793 uint16* o; 1794 int p; 1795 if (dir==NULL) 1796 { 1797 (*ndir)++; 1798 return(1); 1799 } 1800 m=(1<<tif->tif_dir.td_bitspersample); 1801 n=tif->tif_dir.td_samplesperpixel-tif->tif_dir.td_extrasamples; 1802 /* 1803 * Check if the table can be written as a single column, 1804 * or if it must be written as 3 columns. Note that we 1805 * write a 3-column tag if there are 2 samples/pixel and 1806 * a single column of data won't suffice--hmm. 1807 */ 1808 if (n>3) 1809 n=3; 1810 if (n==3) 1811 { 1812 if (!_TIFFmemcmp(tif->tif_dir.td_transferfunction[0],tif->tif_dir.td_transferfunction[2],m*sizeof(uint16))) 1813 n=2; 1814 } 1815 if (n==2) 1816 { 1817 if (!_TIFFmemcmp(tif->tif_dir.td_transferfunction[0],tif->tif_dir.td_transferfunction[1],m*sizeof(uint16))) 1818 n=1; 1819 } 1820 if (n==0) 1821 n=1; 1822 o=_TIFFmalloc(n*m*sizeof(uint16)); 1823 if (o==NULL) 1824 { 1825 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1826 return(0); 1827 } 1828 _TIFFmemcpy(&o[0],tif->tif_dir.td_transferfunction[0],m*sizeof(uint16)); 1829 if (n>1) 1830 _TIFFmemcpy(&o[m],tif->tif_dir.td_transferfunction[1],m*sizeof(uint16)); 1831 if (n>2) 1832 _TIFFmemcpy(&o[2*m],tif->tif_dir.td_transferfunction[2],m*sizeof(uint16)); 1833 p=TIFFWriteDirectoryTagCheckedShortArray(tif,ndir,dir,TIFFTAG_TRANSFERFUNCTION,n*m,o); 1834 _TIFFfree(o); 1835 return(p); 1836 } 1837 1838 static int 1839 TIFFWriteDirectoryTagSubifd(TIFF* tif, uint32* ndir, TIFFDirEntry* dir) 1840 { 1841 static const char module[] = "TIFFWriteDirectoryTagSubifd"; 1842 uint64 m; 1843 int n; 1844 if (tif->tif_dir.td_nsubifd==0) 1845 return(1); 1846 if (dir==NULL) 1847 { 1848 (*ndir)++; 1849 return(1); 1850 } 1851 m=tif->tif_dataoff; 1852 if (!(tif->tif_flags&TIFF_BIGTIFF)) 1853 { 1854 uint32* o; 1855 uint64* pa; 1856 uint32* pb; 1857 uint16 p; 1858 o=_TIFFmalloc(tif->tif_dir.td_nsubifd*sizeof(uint32)); 1859 if (o==NULL) 1860 { 1861 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 1862 return(0); 1863 } 1864 pa=tif->tif_dir.td_subifd; 1865 pb=o; 1866 for (p=0; p < tif->tif_dir.td_nsubifd; p++) 1867 { 1868 assert(pa != 0); 1869 assert(*pa <= 0xFFFFFFFFUL); 1870 *pb++=(uint32)(*pa++); 1871 } 1872 n=TIFFWriteDirectoryTagCheckedIfdArray(tif,ndir,dir,TIFFTAG_SUBIFD,tif->tif_dir.td_nsubifd,o); 1873 _TIFFfree(o); 1874 } 1875 else 1876 n=TIFFWriteDirectoryTagCheckedIfd8Array(tif,ndir,dir,TIFFTAG_SUBIFD,tif->tif_dir.td_nsubifd,tif->tif_dir.td_subifd); 1877 if (!n) 1878 return(0); 1879 /* 1880 * Total hack: if this directory includes a SubIFD 1881 * tag then force the next <n> directories to be 1882 * written as ``sub directories'' of this one. This 1883 * is used to write things like thumbnails and 1884 * image masks that one wants to keep out of the 1885 * normal directory linkage access mechanism. 1886 */ 1887 tif->tif_flags|=TIFF_INSUBIFD; 1888 tif->tif_nsubifd=tif->tif_dir.td_nsubifd; 1889 if (tif->tif_dir.td_nsubifd==1) 1890 tif->tif_subifdoff=0; 1891 else 1892 tif->tif_subifdoff=m; 1893 return(1); 1894 } 1895 1896 static int 1897 TIFFWriteDirectoryTagCheckedAscii(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, char* value) 1898 { 1899 assert(sizeof(char)==1); 1900 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_ASCII,count,count,value)); 1901 } 1902 1903 static int 1904 TIFFWriteDirectoryTagCheckedUndefinedArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value) 1905 { 1906 assert(sizeof(uint8)==1); 1907 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_UNDEFINED,count,count,value)); 1908 } 1909 1910 #ifdef notdef 1911 static int 1912 TIFFWriteDirectoryTagCheckedByte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value) 1913 { 1914 assert(sizeof(uint8)==1); 1915 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_BYTE,1,1,&value)); 1916 } 1917 #endif 1918 1919 static int 1920 TIFFWriteDirectoryTagCheckedByteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value) 1921 { 1922 assert(sizeof(uint8)==1); 1923 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_BYTE,count,count,value)); 1924 } 1925 1926 #ifdef notdef 1927 static int 1928 TIFFWriteDirectoryTagCheckedSbyte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value) 1929 { 1930 assert(sizeof(int8)==1); 1931 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SBYTE,1,1,&value)); 1932 } 1933 #endif 1934 1935 static int 1936 TIFFWriteDirectoryTagCheckedSbyteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int8* value) 1937 { 1938 assert(sizeof(int8)==1); 1939 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SBYTE,count,count,value)); 1940 } 1941 1942 static int 1943 TIFFWriteDirectoryTagCheckedShort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value) 1944 { 1945 uint16 m; 1946 assert(sizeof(uint16)==2); 1947 m=value; 1948 if (tif->tif_flags&TIFF_SWAB) 1949 TIFFSwabShort(&m); 1950 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SHORT,1,2,&m)); 1951 } 1952 1953 static int 1954 TIFFWriteDirectoryTagCheckedShortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint16* value) 1955 { 1956 assert(count<0x80000000); 1957 assert(sizeof(uint16)==2); 1958 if (tif->tif_flags&TIFF_SWAB) 1959 TIFFSwabArrayOfShort(value,count); 1960 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SHORT,count,count*2,value)); 1961 } 1962 1963 #ifdef notdef 1964 static int 1965 TIFFWriteDirectoryTagCheckedSshort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value) 1966 { 1967 int16 m; 1968 assert(sizeof(int16)==2); 1969 m=value; 1970 if (tif->tif_flags&TIFF_SWAB) 1971 TIFFSwabShort((uint16*)(&m)); 1972 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SSHORT,1,2,&m)); 1973 } 1974 #endif 1975 1976 static int 1977 TIFFWriteDirectoryTagCheckedSshortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int16* value) 1978 { 1979 assert(count<0x80000000); 1980 assert(sizeof(int16)==2); 1981 if (tif->tif_flags&TIFF_SWAB) 1982 TIFFSwabArrayOfShort((uint16*)value,count); 1983 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SSHORT,count,count*2,value)); 1984 } 1985 1986 static int 1987 TIFFWriteDirectoryTagCheckedLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value) 1988 { 1989 uint32 m; 1990 assert(sizeof(uint32)==4); 1991 m=value; 1992 if (tif->tif_flags&TIFF_SWAB) 1993 TIFFSwabLong(&m); 1994 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_LONG,1,4,&m)); 1995 } 1996 1997 static int 1998 TIFFWriteDirectoryTagCheckedLongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value) 1999 { 2000 assert(count<0x40000000); 2001 assert(sizeof(uint32)==4); 2002 if (tif->tif_flags&TIFF_SWAB) 2003 TIFFSwabArrayOfLong(value,count); 2004 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_LONG,count,count*4,value)); 2005 } 2006 2007 #ifdef notdef 2008 static int 2009 TIFFWriteDirectoryTagCheckedSlong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value) 2010 { 2011 int32 m; 2012 assert(sizeof(int32)==4); 2013 m=value; 2014 if (tif->tif_flags&TIFF_SWAB) 2015 TIFFSwabLong((uint32*)(&m)); 2016 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SLONG,1,4,&m)); 2017 } 2018 #endif 2019 2020 static int 2021 TIFFWriteDirectoryTagCheckedSlongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int32* value) 2022 { 2023 assert(count<0x40000000); 2024 assert(sizeof(int32)==4); 2025 if (tif->tif_flags&TIFF_SWAB) 2026 TIFFSwabArrayOfLong((uint32*)value,count); 2027 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SLONG,count,count*4,value)); 2028 } 2029 2030 #ifdef notdef 2031 static int 2032 TIFFWriteDirectoryTagCheckedLong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint64 value) 2033 { 2034 uint64 m; 2035 assert(sizeof(uint64)==8); 2036 assert(tif->tif_flags&TIFF_BIGTIFF); 2037 m=value; 2038 if (tif->tif_flags&TIFF_SWAB) 2039 TIFFSwabLong8(&m); 2040 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_LONG8,1,8,&m)); 2041 } 2042 #endif 2043 2044 static int 2045 TIFFWriteDirectoryTagCheckedLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) 2046 { 2047 assert(count<0x20000000); 2048 assert(sizeof(uint64)==8); 2049 assert(tif->tif_flags&TIFF_BIGTIFF); 2050 if (tif->tif_flags&TIFF_SWAB) 2051 TIFFSwabArrayOfLong8(value,count); 2052 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_LONG8,count,count*8,value)); 2053 } 2054 2055 #ifdef notdef 2056 static int 2057 TIFFWriteDirectoryTagCheckedSlong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int64 value) 2058 { 2059 int64 m; 2060 assert(sizeof(int64)==8); 2061 assert(tif->tif_flags&TIFF_BIGTIFF); 2062 m=value; 2063 if (tif->tif_flags&TIFF_SWAB) 2064 TIFFSwabLong8((uint64*)(&m)); 2065 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SLONG8,1,8,&m)); 2066 } 2067 #endif 2068 2069 static int 2070 TIFFWriteDirectoryTagCheckedSlong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int64* value) 2071 { 2072 assert(count<0x20000000); 2073 assert(sizeof(int64)==8); 2074 assert(tif->tif_flags&TIFF_BIGTIFF); 2075 if (tif->tif_flags&TIFF_SWAB) 2076 TIFFSwabArrayOfLong8((uint64*)value,count); 2077 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SLONG8,count,count*8,value)); 2078 } 2079 2080 static int 2081 TIFFWriteDirectoryTagCheckedRational(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value) 2082 { 2083 uint32 m[2]; 2084 assert(value>=0.0); 2085 assert(sizeof(uint32)==4); 2086 if (value<=0.0) 2087 { 2088 m[0]=0; 2089 m[1]=1; 2090 } 2091 else if (value==(double)(uint32)value) 2092 { 2093 m[0]=(uint32)value; 2094 m[1]=1; 2095 } 2096 else if (value<1.0) 2097 { 2098 m[0]=(uint32)(value*0xFFFFFFFF); 2099 m[1]=0xFFFFFFFF; 2100 } 2101 else 2102 { 2103 m[0]=0xFFFFFFFF; 2104 m[1]=(uint32)(0xFFFFFFFF/value); 2105 } 2106 if (tif->tif_flags&TIFF_SWAB) 2107 { 2108 TIFFSwabLong(&m[0]); 2109 TIFFSwabLong(&m[1]); 2110 } 2111 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_RATIONAL,1,8,&m[0])); 2112 } 2113 2114 static int 2115 TIFFWriteDirectoryTagCheckedRationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value) 2116 { 2117 static const char module[] = "TIFFWriteDirectoryTagCheckedRationalArray"; 2118 uint32* m; 2119 float* na; 2120 uint32* nb; 2121 uint32 nc; 2122 int o; 2123 assert(sizeof(uint32)==4); 2124 m=_TIFFmalloc(count*2*sizeof(uint32)); 2125 if (m==NULL) 2126 { 2127 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 2128 return(0); 2129 } 2130 for (na=value, nb=m, nc=0; nc<count; na++, nb+=2, nc++) 2131 { 2132 if (*na<=0.0) 2133 { 2134 nb[0]=0; 2135 nb[1]=1; 2136 } 2137 else if (*na==(float)(uint32)(*na)) 2138 { 2139 nb[0]=(uint32)(*na); 2140 nb[1]=1; 2141 } 2142 else if (*na<1.0) 2143 { 2144 nb[0]=(uint32)((*na)*0xFFFFFFFF); 2145 nb[1]=0xFFFFFFFF; 2146 } 2147 else 2148 { 2149 nb[0]=0xFFFFFFFF; 2150 nb[1]=(uint32)(0xFFFFFFFF/(*na)); 2151 } 2152 } 2153 if (tif->tif_flags&TIFF_SWAB) 2154 TIFFSwabArrayOfLong(m,count*2); 2155 o=TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_RATIONAL,count,count*8,&m[0]); 2156 _TIFFfree(m); 2157 return(o); 2158 } 2159 2160 static int 2161 TIFFWriteDirectoryTagCheckedSrationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value) 2162 { 2163 static const char module[] = "TIFFWriteDirectoryTagCheckedSrationalArray"; 2164 int32* m; 2165 float* na; 2166 int32* nb; 2167 uint32 nc; 2168 int o; 2169 assert(sizeof(int32)==4); 2170 m=_TIFFmalloc(count*2*sizeof(int32)); 2171 if (m==NULL) 2172 { 2173 TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); 2174 return(0); 2175 } 2176 for (na=value, nb=m, nc=0; nc<count; na++, nb+=2, nc++) 2177 { 2178 if (*na<0.0) 2179 { 2180 if (*na==(int32)(*na)) 2181 { 2182 nb[0]=(int32)(*na); 2183 nb[1]=1; 2184 } 2185 else if (*na>-1.0) 2186 { 2187 nb[0]=-(int32)((-*na)*0x7FFFFFFF); 2188 nb[1]=0x7FFFFFFF; 2189 } 2190 else 2191 { 2192 nb[0]=-0x7FFFFFFF; 2193 nb[1]=(int32)(0x7FFFFFFF/(-*na)); 2194 } 2195 } 2196 else 2197 { 2198 if (*na==(int32)(*na)) 2199 { 2200 nb[0]=(int32)(*na); 2201 nb[1]=1; 2202 } 2203 else if (*na<1.0) 2204 { 2205 nb[0]=(int32)((*na)*0x7FFFFFFF); 2206 nb[1]=0x7FFFFFFF; 2207 } 2208 else 2209 { 2210 nb[0]=0x7FFFFFFF; 2211 nb[1]=(int32)(0x7FFFFFFF/(*na)); 2212 } 2213 } 2214 } 2215 if (tif->tif_flags&TIFF_SWAB) 2216 TIFFSwabArrayOfLong((uint32*)m,count*2); 2217 o=TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SRATIONAL,count,count*8,&m[0]); 2218 _TIFFfree(m); 2219 return(o); 2220 } 2221 2222 #ifdef notdef 2223 static int 2224 TIFFWriteDirectoryTagCheckedFloat(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value) 2225 { 2226 float m; 2227 assert(sizeof(float)==4); 2228 m=value; 2229 TIFFCvtNativeToIEEEFloat(tif,1,&m); 2230 if (tif->tif_flags&TIFF_SWAB) 2231 TIFFSwabFloat(&m); 2232 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_FLOAT,1,4,&m)); 2233 } 2234 #endif 2235 2236 static int 2237 TIFFWriteDirectoryTagCheckedFloatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value) 2238 { 2239 assert(count<0x40000000); 2240 assert(sizeof(float)==4); 2241 TIFFCvtNativeToIEEEFloat(tif,count,&value); 2242 if (tif->tif_flags&TIFF_SWAB) 2243 TIFFSwabArrayOfFloat(value,count); 2244 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_FLOAT,count,count*4,value)); 2245 } 2246 2247 #ifdef notdef 2248 static int 2249 TIFFWriteDirectoryTagCheckedDouble(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value) 2250 { 2251 double m; 2252 assert(sizeof(double)==8); 2253 m=value; 2254 TIFFCvtNativeToIEEEDouble(tif,1,&m); 2255 if (tif->tif_flags&TIFF_SWAB) 2256 TIFFSwabDouble(&m); 2257 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_DOUBLE,1,8,&m)); 2258 } 2259 #endif 2260 2261 static int 2262 TIFFWriteDirectoryTagCheckedDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value) 2263 { 2264 assert(count<0x20000000); 2265 assert(sizeof(double)==8); 2266 TIFFCvtNativeToIEEEDouble(tif,count,&value); 2267 if (tif->tif_flags&TIFF_SWAB) 2268 TIFFSwabArrayOfDouble(value,count); 2269 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_DOUBLE,count,count*8,value)); 2270 } 2271 2272 static int 2273 TIFFWriteDirectoryTagCheckedIfdArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value) 2274 { 2275 assert(count<0x40000000); 2276 assert(sizeof(uint32)==4); 2277 if (tif->tif_flags&TIFF_SWAB) 2278 TIFFSwabArrayOfLong(value,count); 2279 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_IFD,count,count*4,value)); 2280 } 2281 2282 static int 2283 TIFFWriteDirectoryTagCheckedIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) 2284 { 2285 assert(count<0x20000000); 2286 assert(sizeof(uint64)==8); 2287 assert(tif->tif_flags&TIFF_BIGTIFF); 2288 if (tif->tif_flags&TIFF_SWAB) 2289 TIFFSwabArrayOfLong8(value,count); 2290 return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_IFD8,count,count*8,value)); 2291 } 2292 2293 static int 2294 TIFFWriteDirectoryTagData(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 datatype, uint32 count, uint32 datalength, void* data) 2295 { 2296 static const char module[] = "TIFFWriteDirectoryTagData"; 2297 uint32 m; 2298 m=0; 2299 while (m<(*ndir)) 2300 { 2301 assert(dir[m].tdir_tag!=tag); 2302 if (dir[m].tdir_tag>tag) 2303 break; 2304 m++; 2305 } 2306 if (m<(*ndir)) 2307 { 2308 uint32 n; 2309 for (n=*ndir; n>m; n--) 2310 dir[n]=dir[n-1]; 2311 } 2312 dir[m].tdir_tag=tag; 2313 dir[m].tdir_type=datatype; 2314 dir[m].tdir_count=count; 2315 dir[m].tdir_offset.toff_long8 = 0; 2316 if (datalength<=((tif->tif_flags&TIFF_BIGTIFF)?0x8U:0x4U)) 2317 _TIFFmemcpy(&dir[m].tdir_offset,data,datalength); 2318 else 2319 { 2320 uint64 na,nb; 2321 na=tif->tif_dataoff; 2322 nb=na+datalength; 2323 if (!(tif->tif_flags&TIFF_BIGTIFF)) 2324 nb=(uint32)nb; 2325 if ((nb<na)||(nb<datalength)) 2326 { 2327 TIFFErrorExt(tif->tif_clientdata,module,"Maximum TIFF file size exceeded"); 2328 return(0); 2329 } 2330 if (!SeekOK(tif,na)) 2331 { 2332 TIFFErrorExt(tif->tif_clientdata,module,"IO error writing tag data"); 2333 return(0); 2334 } 2335 assert(datalength<0x80000000UL); 2336 if (!WriteOK(tif,data,(tmsize_t)datalength)) 2337 { 2338 TIFFErrorExt(tif->tif_clientdata,module,"IO error writing tag data"); 2339 return(0); 2340 } 2341 tif->tif_dataoff=nb; 2342 if (tif->tif_dataoff&1) 2343 tif->tif_dataoff++; 2344 if (!(tif->tif_flags&TIFF_BIGTIFF)) 2345 { 2346 uint32 o; 2347 o=(uint32)na; 2348 if (tif->tif_flags&TIFF_SWAB) 2349 TIFFSwabLong(&o); 2350 _TIFFmemcpy(&dir[m].tdir_offset,&o,4); 2351 } 2352 else 2353 { 2354 dir[m].tdir_offset.toff_long8 = na; 2355 if (tif->tif_flags&TIFF_SWAB) 2356 TIFFSwabLong8(&dir[m].tdir_offset.toff_long8); 2357 } 2358 } 2359 (*ndir)++; 2360 return(1); 2361 } 2362 2363 /* 2364 * Link the current directory into the directory chain for the file. 2365 */ 2366 static int 2367 TIFFLinkDirectory(TIFF* tif) 2368 { 2369 static const char module[] = "TIFFLinkDirectory"; 2370 2371 tif->tif_diroff = (TIFFSeekFile(tif,0,SEEK_END)+1) &~ 1; 2372 2373 /* 2374 * Handle SubIFDs 2375 */ 2376 if (tif->tif_flags & TIFF_INSUBIFD) 2377 { 2378 if (!(tif->tif_flags&TIFF_BIGTIFF)) 2379 { 2380 uint32 m; 2381 m = (uint32)tif->tif_diroff; 2382 if (tif->tif_flags & TIFF_SWAB) 2383 TIFFSwabLong(&m); 2384 (void) TIFFSeekFile(tif, tif->tif_subifdoff, SEEK_SET); 2385 if (!WriteOK(tif, &m, 4)) { 2386 TIFFErrorExt(tif->tif_clientdata, module, 2387 "Error writing SubIFD directory link"); 2388 return (0); 2389 } 2390 /* 2391 * Advance to the next SubIFD or, if this is 2392 * the last one configured, revert back to the 2393 * normal directory linkage. 2394 */ 2395 if (--tif->tif_nsubifd) 2396 tif->tif_subifdoff += 4; 2397 else 2398 tif->tif_flags &= ~TIFF_INSUBIFD; 2399 return (1); 2400 } 2401 else 2402 { 2403 uint64 m; 2404 m = tif->tif_diroff; 2405 if (tif->tif_flags & TIFF_SWAB) 2406 TIFFSwabLong8(&m); 2407 (void) TIFFSeekFile(tif, tif->tif_subifdoff, SEEK_SET); 2408 if (!WriteOK(tif, &m, 8)) { 2409 TIFFErrorExt(tif->tif_clientdata, module, 2410 "Error writing SubIFD directory link"); 2411 return (0); 2412 } 2413 /* 2414 * Advance to the next SubIFD or, if this is 2415 * the last one configured, revert back to the 2416 * normal directory linkage. 2417 */ 2418 if (--tif->tif_nsubifd) 2419 tif->tif_subifdoff += 8; 2420 else 2421 tif->tif_flags &= ~TIFF_INSUBIFD; 2422 return (1); 2423 } 2424 } 2425 2426 if (!(tif->tif_flags&TIFF_BIGTIFF)) 2427 { 2428 uint32 m; 2429 uint32 nextdir; 2430 m = (uint32)(tif->tif_diroff); 2431 if (tif->tif_flags & TIFF_SWAB) 2432 TIFFSwabLong(&m); 2433 if (tif->tif_header.classic.tiff_diroff == 0) { 2434 /* 2435 * First directory, overwrite offset in header. 2436 */ 2437 tif->tif_header.classic.tiff_diroff = (uint32) tif->tif_diroff; 2438 (void) TIFFSeekFile(tif,4, SEEK_SET); 2439 if (!WriteOK(tif, &m, 4)) { 2440 TIFFErrorExt(tif->tif_clientdata, tif->tif_name, 2441 "Error writing TIFF header"); 2442 return (0); 2443 } 2444 return (1); 2445 } 2446 /* 2447 * Not the first directory, search to the last and append. 2448 */ 2449 nextdir = tif->tif_header.classic.tiff_diroff; 2450 while(1) { 2451 uint16 dircount; 2452 uint32 nextnextdir; 2453 2454 if (!SeekOK(tif, nextdir) || 2455 !ReadOK(tif, &dircount, 2)) { 2456 TIFFErrorExt(tif->tif_clientdata, module, 2457 "Error fetching directory count"); 2458 return (0); 2459 } 2460 if (tif->tif_flags & TIFF_SWAB) 2461 TIFFSwabShort(&dircount); 2462 (void) TIFFSeekFile(tif, 2463 nextdir+2+dircount*12, SEEK_SET); 2464 if (!ReadOK(tif, &nextnextdir, 4)) { 2465 TIFFErrorExt(tif->tif_clientdata, module, 2466 "Error fetching directory link"); 2467 return (0); 2468 } 2469 if (tif->tif_flags & TIFF_SWAB) 2470 TIFFSwabLong(&nextnextdir); 2471 if (nextnextdir==0) 2472 { 2473 (void) TIFFSeekFile(tif, 2474 nextdir+2+dircount*12, SEEK_SET); 2475 if (!WriteOK(tif, &m, 4)) { 2476 TIFFErrorExt(tif->tif_clientdata, module, 2477 "Error writing directory link"); 2478 return (0); 2479 } 2480 break; 2481 } 2482 nextdir=nextnextdir; 2483 } 2484 } 2485 else 2486 { 2487 uint64 m; 2488 uint64 nextdir; 2489 m = tif->tif_diroff; 2490 if (tif->tif_flags & TIFF_SWAB) 2491 TIFFSwabLong8(&m); 2492 if (tif->tif_header.big.tiff_diroff == 0) { 2493 /* 2494 * First directory, overwrite offset in header. 2495 */ 2496 tif->tif_header.big.tiff_diroff = tif->tif_diroff; 2497 (void) TIFFSeekFile(tif,8, SEEK_SET); 2498 if (!WriteOK(tif, &m, 8)) { 2499 TIFFErrorExt(tif->tif_clientdata, tif->tif_name, 2500 "Error writing TIFF header"); 2501 return (0); 2502 } 2503 return (1); 2504 } 2505 /* 2506 * Not the first directory, search to the last and append. 2507 */ 2508 nextdir = tif->tif_header.big.tiff_diroff; 2509 while(1) { 2510 uint64 dircount64; 2511 uint16 dircount; 2512 uint64 nextnextdir; 2513 2514 if (!SeekOK(tif, nextdir) || 2515 !ReadOK(tif, &dircount64, 8)) { 2516 TIFFErrorExt(tif->tif_clientdata, module, 2517 "Error fetching directory count"); 2518 return (0); 2519 } 2520 if (tif->tif_flags & TIFF_SWAB) 2521 TIFFSwabLong8(&dircount64); 2522 if (dircount64>0xFFFF) 2523 { 2524 TIFFErrorExt(tif->tif_clientdata, module, 2525 "Sanity check on tag count failed, likely corrupt TIFF"); 2526 return (0); 2527 } 2528 dircount=(uint16)dircount64; 2529 (void) TIFFSeekFile(tif, 2530 nextdir+8+dircount*20, SEEK_SET); 2531 if (!ReadOK(tif, &nextnextdir, 8)) { 2532 TIFFErrorExt(tif->tif_clientdata, module, 2533 "Error fetching directory link"); 2534 return (0); 2535 } 2536 if (tif->tif_flags & TIFF_SWAB) 2537 TIFFSwabLong8(&nextnextdir); 2538 if (nextnextdir==0) 2539 { 2540 (void) TIFFSeekFile(tif, 2541 nextdir+8+dircount*20, SEEK_SET); 2542 if (!WriteOK(tif, &m, 8)) { 2543 TIFFErrorExt(tif->tif_clientdata, module, 2544 "Error writing directory link"); 2545 return (0); 2546 } 2547 break; 2548 } 2549 nextdir=nextnextdir; 2550 } 2551 } 2552 return (1); 2553 } 2554 2555 /************************************************************************/ 2556 /* TIFFRewriteField() */ 2557 /* */ 2558 /* Rewrite a field in the directory on disk without regard to */ 2559 /* updating the TIFF directory structure in memory. Currently */ 2560 /* only supported for field that already exist in the on-disk */ 2561 /* directory. Mainly used for updating stripoffset / */ 2562 /* stripbytecount values after the directory is already on */ 2563 /* disk. */ 2564 /* */ 2565 /* Returns zero on failure, and one on success. */ 2566 /************************************************************************/ 2567 2568 int 2569 _TIFFRewriteField(TIFF* tif, uint16 tag, TIFFDataType in_datatype, 2570 tmsize_t count, void* data) 2571 { 2572 static const char module[] = "TIFFResetField"; 2573 /* const TIFFField* fip = NULL; */ 2574 uint16 dircount; 2575 tmsize_t dirsize; 2576 uint8 direntry_raw[20]; 2577 uint16 entry_tag = 0; 2578 uint16 entry_type = 0; 2579 uint64 entry_count = 0; 2580 uint64 entry_offset = 0; 2581 int value_in_entry = 0; 2582 uint64 read_offset; 2583 uint8 *buf_to_write = NULL; 2584 TIFFDataType datatype; 2585 2586 /* -------------------------------------------------------------------- */ 2587 /* Find field definition. */ 2588 /* -------------------------------------------------------------------- */ 2589 /*fip =*/ TIFFFindField(tif, tag, TIFF_ANY); 2590 2591 /* -------------------------------------------------------------------- */ 2592 /* Do some checking this is a straight forward case. */ 2593 /* -------------------------------------------------------------------- */ 2594 if( isMapped(tif) ) 2595 { 2596 TIFFErrorExt( tif->tif_clientdata, module, 2597 "Memory mapped files not currently supported for this operation." ); 2598 return 0; 2599 } 2600 2601 if( tif->tif_diroff == 0 ) 2602 { 2603 TIFFErrorExt( tif->tif_clientdata, module, 2604 "Attempt to reset field on directory not already on disk." ); 2605 return 0; 2606 } 2607 2608 /* -------------------------------------------------------------------- */ 2609 /* Read the directory entry count. */ 2610 /* -------------------------------------------------------------------- */ 2611 if (!SeekOK(tif, tif->tif_diroff)) { 2612 TIFFErrorExt(tif->tif_clientdata, module, 2613 "%s: Seek error accessing TIFF directory", 2614 tif->tif_name); 2615 return 0; 2616 } 2617 2618 read_offset = tif->tif_diroff; 2619 2620 if (!(tif->tif_flags&TIFF_BIGTIFF)) 2621 { 2622 if (!ReadOK(tif, &dircount, sizeof (uint16))) { 2623 TIFFErrorExt(tif->tif_clientdata, module, 2624 "%s: Can not read TIFF directory count", 2625 tif->tif_name); 2626 return 0; 2627 } 2628 if (tif->tif_flags & TIFF_SWAB) 2629 TIFFSwabShort(&dircount); 2630 dirsize = 12; 2631 read_offset += 2; 2632 } else { 2633 uint64 dircount64; 2634 if (!ReadOK(tif, &dircount64, sizeof (uint64))) { 2635 TIFFErrorExt(tif->tif_clientdata, module, 2636 "%s: Can not read TIFF directory count", 2637 tif->tif_name); 2638 return 0; 2639 } 2640 if (tif->tif_flags & TIFF_SWAB) 2641 TIFFSwabLong8(&dircount64); 2642 dircount = (uint16)dircount64; 2643 dirsize = 20; 2644 read_offset += 8; 2645 } 2646 2647 /* -------------------------------------------------------------------- */ 2648 /* Read through directory to find target tag. */ 2649 /* -------------------------------------------------------------------- */ 2650 while( dircount > 0 ) 2651 { 2652 if (!ReadOK(tif, direntry_raw, dirsize)) { 2653 TIFFErrorExt(tif->tif_clientdata, module, 2654 "%s: Can not read TIFF directory entry.", 2655 tif->tif_name); 2656 return 0; 2657 } 2658 2659 memcpy( &entry_tag, direntry_raw + 0, sizeof(uint16) ); 2660 if (tif->tif_flags&TIFF_SWAB) 2661 TIFFSwabShort( &entry_tag ); 2662 2663 if( entry_tag == tag ) 2664 break; 2665 2666 read_offset += dirsize; 2667 } 2668 2669 if( entry_tag != tag ) 2670 { 2671 TIFFErrorExt(tif->tif_clientdata, module, 2672 "%s: Could not find tag %d.", 2673 tif->tif_name, tag ); 2674 return 0; 2675 } 2676 2677 /* -------------------------------------------------------------------- */ 2678 /* Extract the type, count and offset for this entry. */ 2679 /* -------------------------------------------------------------------- */ 2680 memcpy( &entry_type, direntry_raw + 2, sizeof(uint16) ); 2681 if (tif->tif_flags&TIFF_SWAB) 2682 TIFFSwabShort( &entry_type ); 2683 2684 if (!(tif->tif_flags&TIFF_BIGTIFF)) 2685 { 2686 uint32 value; 2687 2688 memcpy( &value, direntry_raw + 4, sizeof(uint32) ); 2689 if (tif->tif_flags&TIFF_SWAB) 2690 TIFFSwabLong( &value ); 2691 entry_count = value; 2692 2693 memcpy( &value, direntry_raw + 8, sizeof(uint32) ); 2694 if (tif->tif_flags&TIFF_SWAB) 2695 TIFFSwabLong( &value ); 2696 entry_offset = value; 2697 } 2698 else 2699 { 2700 memcpy( &entry_count, direntry_raw + 4, sizeof(uint64) ); 2701 if (tif->tif_flags&TIFF_SWAB) 2702 TIFFSwabLong8( &entry_count ); 2703 2704 memcpy( &entry_offset, direntry_raw + 12, sizeof(uint64) ); 2705 if (tif->tif_flags&TIFF_SWAB) 2706 TIFFSwabLong8( &entry_offset ); 2707 } 2708 2709 /* -------------------------------------------------------------------- */ 2710 /* What data type do we want to write this as? */ 2711 /* -------------------------------------------------------------------- */ 2712 if( TIFFDataWidth(in_datatype) == 8 && !(tif->tif_flags&TIFF_BIGTIFF) ) 2713 { 2714 if( in_datatype == TIFF_LONG8 ) 2715 datatype = TIFF_LONG; 2716 else if( in_datatype == TIFF_SLONG8 ) 2717 datatype = TIFF_SLONG; 2718 else if( in_datatype == TIFF_IFD8 ) 2719 datatype = TIFF_IFD; 2720 else 2721 datatype = in_datatype; 2722 } 2723 else 2724 datatype = in_datatype; 2725 2726 /* -------------------------------------------------------------------- */ 2727 /* Prepare buffer of actual data to write. This includes */ 2728 /* swabbing as needed. */ 2729 /* -------------------------------------------------------------------- */ 2730 buf_to_write = 2731 (uint8 *)_TIFFCheckMalloc(tif, count, TIFFDataWidth(datatype), 2732 "for field buffer."); 2733 if (!buf_to_write) 2734 return 0; 2735 2736 if( datatype == in_datatype ) 2737 memcpy( buf_to_write, data, count * TIFFDataWidth(datatype) ); 2738 else if( datatype == TIFF_SLONG && in_datatype == TIFF_SLONG8 ) 2739 { 2740 tmsize_t i; 2741 2742 for( i = 0; i < count; i++ ) 2743 { 2744 ((int32 *) buf_to_write)[i] = 2745 (int32) ((int64 *) data)[i]; 2746 if( (int64) ((int32 *) buf_to_write)[i] != ((int64 *) data)[i] ) 2747 { 2748 _TIFFfree( buf_to_write ); 2749 TIFFErrorExt( tif->tif_clientdata, module, 2750 "Value exceeds 32bit range of output type." ); 2751 return 0; 2752 } 2753 } 2754 } 2755 else if( (datatype == TIFF_LONG && in_datatype == TIFF_LONG8) 2756 || (datatype == TIFF_IFD && in_datatype == TIFF_IFD8) ) 2757 { 2758 tmsize_t i; 2759 2760 for( i = 0; i < count; i++ ) 2761 { 2762 ((uint32 *) buf_to_write)[i] = 2763 (uint32) ((uint64 *) data)[i]; 2764 if( (uint64) ((uint32 *) buf_to_write)[i] != ((uint64 *) data)[i] ) 2765 { 2766 _TIFFfree( buf_to_write ); 2767 TIFFErrorExt( tif->tif_clientdata, module, 2768 "Value exceeds 32bit range of output type." ); 2769 return 0; 2770 } 2771 } 2772 } 2773 2774 if( TIFFDataWidth(datatype) > 1 && (tif->tif_flags&TIFF_SWAB) ) 2775 { 2776 if( TIFFDataWidth(datatype) == 2 ) 2777 TIFFSwabArrayOfShort( (uint16 *) buf_to_write, count ); 2778 else if( TIFFDataWidth(datatype) == 4 ) 2779 TIFFSwabArrayOfLong( (uint32 *) buf_to_write, count ); 2780 else if( TIFFDataWidth(datatype) == 8 ) 2781 TIFFSwabArrayOfLong8( (uint64 *) buf_to_write, count ); 2782 } 2783 2784 /* -------------------------------------------------------------------- */ 2785 /* Is this a value that fits into the directory entry? */ 2786 /* -------------------------------------------------------------------- */ 2787 if (!(tif->tif_flags&TIFF_BIGTIFF)) 2788 { 2789 if( TIFFDataWidth(datatype) * count <= 4 ) 2790 { 2791 entry_offset = read_offset + 8; 2792 value_in_entry = 1; 2793 } 2794 } 2795 else 2796 { 2797 if( TIFFDataWidth(datatype) * count <= 8 ) 2798 { 2799 entry_offset = read_offset + 12; 2800 value_in_entry = 1; 2801 } 2802 } 2803 2804 /* -------------------------------------------------------------------- */ 2805 /* If the tag type, and count match, then we just write it out */ 2806 /* over the old values without altering the directory entry at */ 2807 /* all. */ 2808 /* -------------------------------------------------------------------- */ 2809 if( entry_count == (uint64)count && entry_type == (uint16) datatype ) 2810 { 2811 if (!SeekOK(tif, entry_offset)) { 2812 _TIFFfree( buf_to_write ); 2813 TIFFErrorExt(tif->tif_clientdata, module, 2814 "%s: Seek error accessing TIFF directory", 2815 tif->tif_name); 2816 return 0; 2817 } 2818 if (!WriteOK(tif, buf_to_write, count*TIFFDataWidth(datatype))) { 2819 _TIFFfree( buf_to_write ); 2820 TIFFErrorExt(tif->tif_clientdata, module, 2821 "Error writing directory link"); 2822 return (0); 2823 } 2824 2825 _TIFFfree( buf_to_write ); 2826 return 1; 2827 } 2828 2829 /* -------------------------------------------------------------------- */ 2830 /* Otherwise, we write the new tag data at the end of the file. */ 2831 /* -------------------------------------------------------------------- */ 2832 if( !value_in_entry ) 2833 { 2834 entry_offset = TIFFSeekFile(tif,0,SEEK_END); 2835 2836 if (!WriteOK(tif, buf_to_write, count*TIFFDataWidth(datatype))) { 2837 _TIFFfree( buf_to_write ); 2838 TIFFErrorExt(tif->tif_clientdata, module, 2839 "Error writing directory link"); 2840 return (0); 2841 } 2842 } 2843 else 2844 { 2845 memcpy( &entry_offset, buf_to_write, count*TIFFDataWidth(datatype)); 2846 } 2847 2848 _TIFFfree( buf_to_write ); 2849 buf_to_write = 0; 2850 2851 /* -------------------------------------------------------------------- */ 2852 /* Adjust the directory entry. */ 2853 /* -------------------------------------------------------------------- */ 2854 entry_type = datatype; 2855 memcpy( direntry_raw + 2, &entry_type, sizeof(uint16) ); 2856 if (tif->tif_flags&TIFF_SWAB) 2857 TIFFSwabShort( (uint16 *) (direntry_raw + 2) ); 2858 2859 if (!(tif->tif_flags&TIFF_BIGTIFF)) 2860 { 2861 uint32 value; 2862 2863 value = (uint32) entry_count; 2864 memcpy( direntry_raw + 4, &value, sizeof(uint32) ); 2865 if (tif->tif_flags&TIFF_SWAB) 2866 TIFFSwabLong( (uint32 *) (direntry_raw + 4) ); 2867 2868 value = (uint32) entry_offset; 2869 memcpy( direntry_raw + 8, &value, sizeof(uint32) ); 2870 if (tif->tif_flags&TIFF_SWAB) 2871 TIFFSwabLong( (uint32 *) (direntry_raw + 8) ); 2872 } 2873 else 2874 { 2875 memcpy( direntry_raw + 4, &entry_count, sizeof(uint64) ); 2876 if (tif->tif_flags&TIFF_SWAB) 2877 TIFFSwabLong8( (uint64 *) (direntry_raw + 4) ); 2878 2879 memcpy( direntry_raw + 12, &entry_offset, sizeof(uint64) ); 2880 if (tif->tif_flags&TIFF_SWAB) 2881 TIFFSwabLong8( (uint64 *) (direntry_raw + 12) ); 2882 } 2883 2884 /* -------------------------------------------------------------------- */ 2885 /* Write the directory entry out to disk. */ 2886 /* -------------------------------------------------------------------- */ 2887 if (!SeekOK(tif, read_offset )) { 2888 TIFFErrorExt(tif->tif_clientdata, module, 2889 "%s: Seek error accessing TIFF directory", 2890 tif->tif_name); 2891 return 0; 2892 } 2893 2894 if (!WriteOK(tif, direntry_raw,dirsize)) 2895 { 2896 TIFFErrorExt(tif->tif_clientdata, module, 2897 "%s: Can not write TIFF directory entry.", 2898 tif->tif_name); 2899 return 0; 2900 } 2901 2902 return 1; 2903 } 2904 /* vim: set ts=8 sts=8 sw=8 noet: */ 2905 /* 2906 * Local Variables: 2907 * mode: c 2908 * c-basic-offset: 8 2909 * fill-column: 78 2910 * End: 2911 */ 2912
