granicus.if.org Git - imagemagick/blob - MagickCore/version.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %               V   V  EEEEE  RRRR   SSSSS  IIIII   OOO   N   N               %
   7 %               V   V  E      R   R  SS       I    O   O  NN  N               %
   8 %               V   V  EEE    RRRR    SSS     I    O   O  N N N               %
   9 %                V V   E      R R       SS    I    O   O  N  NN               %
  10 %                 V    EEEEE  R  R   SSSSS  IIIII   OOO   N   N               %
  11 %                                                                             %
  12 %                                                                             %
  13 %                   MagickCore Version and Copyright Methods                  %
  14 %                                                                             %
  15 %                              Software Design                                %
  16 %                                   Cristy                                    %
  17 %                               September 2002                                %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2014 ImageMagick Studio LLC, a non-profit organization      %
  21 %  dedicated to making software imaging solutions freely available.           %
  22 %                                                                             %
  23 %  You may not use this file except in compliance with the License.  You may  %
  24 %  obtain a copy of the License at                                            %
  25 %                                                                             %
  26 %    http://www.imagemagick.org/script/license.php                            %
  27 %                                                                             %
  28 %  Unless required by applicable law or agreed to in writing, software        %
  29 %  distributed under the License is distributed on an "AS IS" BASIS,          %
  30 %  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
  31 %  See the License for the specific language governing permissions and        %
  32 %  limitations under the License.                                             %
  33 %                                                                             %
  34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  35 %
  36 %
  37 */
  38 \f
  39 #include "MagickCore/studio.h"
  40 #include "MagickCore/configure.h"
  41 #include "MagickCore/exception.h"
  42 #include "MagickCore/exception-private.h"
  43 #include "MagickCore/hashmap.h"
  44 #include "MagickCore/locale_.h"
  45 #include "MagickCore/option.h"
  46 #include "MagickCore/string_.h"
  47 #include "MagickCore/utility.h"
  48 #include "MagickCore/utility-private.h"
  49 #include "MagickCore/version.h"
  50 #include "MagickCore/version-private.h"
  51 \f
  52 /*
  53   Define declarations.
  54 */
  55 #define MagickURLFilename  "index.html"
  56 \f
  57 /*
  58 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  59 %                                                                             %
  60 %                                                                             %
  61 %                                                                             %
  62 %   G e t M a g i c k C o p y r i g h t                                       %
  63 %                                                                             %
  64 %                                                                             %
  65 %                                                                             %
  66 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  67 %
  68 %  GetMagickCopyright() returns the ImageMagick API copyright as a string.
  69 %
  70 %  The format of the GetMagickCopyright method is:
  71 %
  72 %      const char *GetMagickCopyright(void)
  73 %
  74 */
  75 MagickExport const char *GetMagickCopyright(void)
  76 {
  77   return(MagickCopyright);
  78 }
  79 \f
  80 /*
  81 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  82 %                                                                             %
  83 %                                                                             %
  84 %                                                                             %
  85 %   G e t M a g i c k D e l e g a t e s                                       %
  86 %                                                                             %
  87 %                                                                             %
  88 %                                                                             %
  89 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  90 %
  91 %  GetMagickDelegates() returns the ImageMagick delegate libraries.
  92 %
  93 %  The format of the GetMagickDelegates method is:
  94 %
  95 %      const char *GetMagickDelegates(void)
  96 %
  97 %  No parameters are required.
  98 %
  99 */
 100 MagickExport const char *GetMagickDelegates(void)
 101 {
 102   return ""
 103 #if defined(MAGICKCORE_AUTOTRACE_DELEGATE)
 104   "autotrace "
 105 #endif
 106 #if defined(MAGICKCORE_BZLIB_DELEGATE)
 107   "bzlib "
 108 #endif
 109 #if defined(MAGICKCORE_CAIRO_DELEGATE)
 110   "cairo "
 111 #endif
 112 #if defined(MAGICKCORE_DJVU_DELEGATE)
 113   "djvu "
 114 #endif
 115 #if defined(MAGICKCORE_DPS_DELEGATE)
 116   "dps "
 117 #endif
 118 #if defined(MAGICKCORE_EMF_DELEGATE)
 119   "emf "
 120 #endif
 121 #if defined(MAGICKCORE_FFTW_DELEGATE)
 122   "fftw "
 123 #endif
 124 #if defined(MAGICKCORE_FONTCONFIG_DELEGATE)
 125   "fontconfig "
 126 #endif
 127 #if defined(MAGICKCORE_FREETYPE_DELEGATE)
 128   "freetype "
 129 #endif
 130 #if defined(MAGICKCORE_FPX_DELEGATE)
 131   "fpx "
 132 #endif
 133 #if defined(MAGICKCORE_GS_DELEGATE)
 134   "gslib "
 135 #endif
 136 #if defined(MAGICKCORE_GVC_DELEGATE)
 137   "gvc "
 138 #endif
 139 #if defined(MAGICKCORE_JBIG_DELEGATE)
 140   "jbig "
 141 #endif
 142 #if defined(MAGICKCORE_JPEG_DELEGATE) && defined(MAGICKCORE_PNG_DELEGATE)
 143   "jng "
 144 #endif
 145 #if defined(MAGICKCORE_LIBOPENJP2_DELEGATE)
 146   "jp2 "
 147 #endif
 148 #if defined(MAGICKCORE_JPEG_DELEGATE)
 149   "jpeg "
 150 #endif
 151 #if defined(MAGICKCORE_LCMS_DELEGATE)
 152   "lcms "
 153 #endif
 154 #if defined(MAGICKCORE_LQR_DELEGATE)
 155   "lqr "
 156 #endif
 157 #if defined(MAGICKCORE_LTDL_DELEGATE)
 158   "ltdl "
 159 #endif
 160 #if defined(MAGICKCORE_LZMA_DELEGATE)
 161   "lzma "
 162 #endif
 163 #if defined(MAGICKCORE_OPENEXR_DELEGATE)
 164   "openexr "
 165 #endif
 166 #if defined(MAGICKCORE_PANGOCAIRO_DELEGATE)
 167   "pangocairo "
 168 #endif
 169 #if defined(MAGICKCORE_PNG_DELEGATE)
 170   "png "
 171 #endif
 172 #if defined(MAGICKCORE_DPS_DELEGATE) || defined(MAGICKCORE_GS_DELEGATE) || defined(WIN32)
 173   "ps "
 174 #endif
 175 #if defined(MAGICKCORE_RSVG_DELEGATE)
 176   "rsvg "
 177 #endif
 178 #if defined(MAGICKCORE_TIFF_DELEGATE)
 179   "tiff "
 180 #endif
 181 #if defined(MAGICKCORE_WEBP_DELEGATE)
 182   "webp "
 183 #endif
 184 #if defined(MAGICKCORE_WMF_DELEGATE) || defined (MAGICKCORE_WMFLITE_DELEGATE)
 185   "wmf "
 186 #endif
 187 #if defined(MAGICKCORE_X11_DELEGATE)
 188   "x "
 189 #endif
 190 #if defined(MAGICKCORE_XML_DELEGATE)
 191   "xml "
 192 #endif
 193 #if defined(MAGICKCORE_ZLIB_DELEGATE)
 194   "zlib"
 195 #endif
 196   ;
 197 }
 198 \f
 199 /*
 200 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 201 %                                                                             %
 202 %                                                                             %
 203 %                                                                             %
 204 %   G e t M a g i c k F e a t u r e s                                         %
 205 %                                                                             %
 206 %                                                                             %
 207 %                                                                             %
 208 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 209 %
 210 %  GetMagickFeatures() returns the ImageMagick features.
 211 %
 212 %  The format of the GetMagickFeatures method is:
 213 %
 214 %      const char *GetMagickFeatures(void)
 215 %
 216 %  No parameters are required.
 217 %
 218 */
 219 MagickExport const char *GetMagickFeatures(void)
 220 {
 221   return "DPC"
 222 #if defined(MAGICKCORE_BUILD_MODULES) || defined(_DLL)
 223   " Modules"
 224 #endif
 225 #if defined(MAGICKCORE_HDRI_SUPPORT)
 226   " HDRI"
 227 #endif
 228 #if defined(MAGICKCORE_OPENCL_SUPPORT)
 229   " OpenCL"
 230 #endif
 231 #if defined(MAGICKCORE_OPENMP_SUPPORT)
 232   " OpenMP"
 233 #endif
 234   ;
 235 }
 236 \f
 237 /*
 238 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 239 %                                                                             %
 240 %                                                                             %
 241 %                                                                             %
 242 %   G e t M a g i c k H o m e U R L                                           %
 243 %                                                                             %
 244 %                                                                             %
 245 %                                                                             %
 246 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 247 %
 248 %  GetMagickHomeURL() returns the ImageMagick home URL.
 249 %
 250 %  The format of the GetMagickHomeURL method is:
 251 %
 252 %      char *GetMagickHomeURL(void)
 253 %
 254 */
 255 MagickExport char *GetMagickHomeURL(void)
 256 {
 257   char
 258     path[MaxTextExtent];
 259
 260   const char
 261     *element;
 262
 263   ExceptionInfo
 264     *exception;
 265
 266   LinkedListInfo
 267     *paths;
 268
 269   exception=AcquireExceptionInfo();
 270   paths=GetConfigurePaths(MagickURLFilename,exception);
 271   exception=DestroyExceptionInfo(exception);
 272   if (paths == (LinkedListInfo *) NULL)
 273     return(ConstantString(MagickHomeURL));
 274   element=(const char *) GetNextValueInLinkedList(paths);
 275   while (element != (const char *) NULL)
 276   {
 277     (void) FormatLocaleString(path,MaxTextExtent,"%s%s%s",element,
 278       DirectorySeparator,MagickURLFilename);
 279     if (IsPathAccessible(path) != MagickFalse)
 280       return(ConstantString(path));
 281     element=(const char *) GetNextValueInLinkedList(paths);
 282   }
 283   return(ConstantString(MagickHomeURL));
 284 }
 285 \f
 286 /*
 287 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 288 %                                                                             %
 289 %                                                                             %
 290 %                                                                             %
 291 %   G e t M a g i c k P a c k a g e N a m e                                   %
 292 %                                                                             %
 293 %                                                                             %
 294 %                                                                             %
 295 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 296 %
 297 %  GetMagickPackageName() returns the ImageMagick package name.
 298 %
 299 %  The format of the GetMagickName method is:
 300 %
 301 %      const char *GetMagickName(void)
 302 %
 303 %  No parameters are required.
 304 %
 305 */
 306 MagickExport const char *GetMagickPackageName(void)
 307 {
 308   return(MagickPackageName);
 309 }
 310 \f
 311 /*
 312 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 313 %                                                                             %
 314 %                                                                             %
 315 %                                                                             %
 316 %   G e t M a g i c k Q u a n t u m D e p t h                                 %
 317 %                                                                             %
 318 %                                                                             %
 319 %                                                                             %
 320 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 321 %
 322 %  GetMagickQuantumDepth() returns the ImageMagick quantum depth.
 323 %
 324 %  The format of the GetMagickQuantumDepth method is:
 325 %
 326 %      const char *GetMagickQuantumDepth(size_t *depth)
 327 %
 328 %  A description of each parameter follows:
 329 %
 330 %    o depth: the quantum depth is returned as a number.
 331 %
 332 */
 333 MagickExport const char *GetMagickQuantumDepth(size_t *depth)
 334 {
 335   if (depth != (size_t *) NULL)
 336     *depth=(size_t) MAGICKCORE_QUANTUM_DEPTH;
 337   return(MagickQuantumDepth);
 338 }
 339 \f
 340 /*
 341 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 342 %                                                                             %
 343 %                                                                             %
 344 %                                                                             %
 345 %   G e t M a g i c k Q u a n t u m R a n g e                                 %
 346 %                                                                             %
 347 %                                                                             %
 348 %                                                                             %
 349 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 350 %
 351 %  GetMagickQuantumRange() returns the ImageMagick quantum range.
 352 %
 353 %  The format of the GetMagickQuantumRange method is:
 354 %
 355 %      const char *GetMagickQuantumRange(size_t *range)
 356 %
 357 %  A description of each parameter follows:
 358 %
 359 %    o range: the quantum range is returned as a number.
 360 %
 361 */
 362 MagickExport const char *GetMagickQuantumRange(size_t *range)
 363 {
 364   if (range != (size_t *) NULL)
 365     *range=(size_t) QuantumRange;
 366   return(MagickQuantumRange);
 367 }
 368 \f
 369 /*
 370 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 371 %                                                                             %
 372 %                                                                             %
 373 %                                                                             %
 374 %   G e t M a g i c k R e l e a s e D a t e                                   %
 375 %                                                                             %
 376 %                                                                             %
 377 %                                                                             %
 378 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 379 %
 380 %  GetMagickReleaseDate() returns the ImageMagick release date.
 381 %
 382 %  The format of the GetMagickReleaseDate method is:
 383 %
 384 %      const char *GetMagickReleaseDate(void)
 385 %
 386 %  No parameters are required.
 387 %
 388 */
 389 MagickExport const char *GetMagickReleaseDate(void)
 390 {
 391   return(MagickReleaseDate);
 392 }
 393 \f
 394 /*
 395 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 396 %                                                                             %
 397 %                                                                             %
 398 %                                                                             %
 399 %   G e t M a g i c k S i g n a t u r e                                       %
 400 %                                                                             %
 401 %                                                                             %
 402 %                                                                             %
 403 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 404 %
 405 %  GetMagickSignature() returns a signature that uniquely encodes the
 406 %  MagickCore libary version, quantum depth, HDRI status, OS word size, and
 407 %  endianness.
 408 %
 409 %  The format of the GetMagickSignature method is:
 410 %
 411 %      unsigned int GetMagickSignature(const StringInfo *nonce)
 412 %
 413 %  A description of each parameter follows:
 414 %
 415 %    o nonce: arbitrary data.
 416 %
 417 */
 418
 419 static unsigned int CRC32(const unsigned char *message,const size_t length)
 420 {
 421   register ssize_t
 422     i;
 423
 424   static MagickBooleanType
 425     crc_initial = MagickFalse;
 426
 427   static unsigned int
 428     crc_xor[256];
 429
 430   unsigned int
 431     crc;
 432
 433   /*
 434     Generate a 32-bit cyclic redundancy check for the message.
 435   */
 436   if (crc_initial == MagickFalse)
 437     {
 438       register unsigned int
 439         i;
 440
 441       unsigned int
 442         alpha;
 443
 444       for (i=0; i < 256; i++)
 445       {
 446         register ssize_t
 447           j;
 448
 449         alpha=i;
 450         for (j=0; j < 8; j++)
 451           alpha=(alpha & 0x01) ? (0xEDB88320 ^ (alpha >> 1)) : (alpha >> 1);
 452         crc_xor[i]=alpha;
 453       }
 454       crc_initial=MagickTrue;
 455     }
 456   crc=0xFFFFFFFF;
 457   for (i=0; i < (ssize_t) length; i++)
 458     crc=crc_xor[(crc ^ message[i]) & 0xff] ^ (crc >> 8);
 459   return(crc ^ 0xFFFFFFFF);
 460 }
 461
 462 MagickExport unsigned int GetMagickSignature(const StringInfo *nonce)
 463 {
 464   register unsigned char
 465     *p;
 466
 467   StringInfo
 468     *version;
 469
 470   unsigned int
 471     signature;
 472
 473   version=AcquireStringInfo(MaxTextExtent);
 474   p=GetStringInfoDatum(version);
 475   signature=MAGICKCORE_QUANTUM_DEPTH;
 476   (void) memcpy(p,&signature,sizeof(signature));
 477   p+=sizeof(signature);
 478   signature=MAGICKCORE_HDRI_ENABLE;
 479   (void) memcpy(p,&signature,sizeof(signature));
 480   p+=sizeof(signature);
 481   signature=MagickLibInterface;
 482   (void) memcpy(p,&signature,sizeof(signature));
 483   p+=sizeof(signature);
 484   signature=1;  /* endianess */
 485   (void) memcpy(p,&signature,sizeof(signature));
 486   p+=sizeof(signature);
 487   SetStringInfoLength(version,p-GetStringInfoDatum(version));
 488   if (nonce != (const StringInfo *) NULL)
 489     ConcatenateStringInfo(version,nonce);
 490   signature=CRC32(GetStringInfoDatum(version),GetStringInfoLength(version));
 491   version=DestroyStringInfo(version);
 492   return(signature);
 493 }
 494 \f
 495 /*
 496 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 497 %                                                                             %
 498 %                                                                             %
 499 %                                                                             %
 500 %   G e t M a g i c k V e r s i o n                                           %
 501 %                                                                             %
 502 %                                                                             %
 503 %                                                                             %
 504 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 505 %
 506 %  GetMagickVersion() returns the ImageMagick API version as a string and
 507 %  as a number.
 508 %
 509 %  The format of the GetMagickVersion method is:
 510 %
 511 %      const char *GetMagickVersion(size_t *version)
 512 %
 513 %  A description of each parameter follows:
 514 %
 515 %    o version: the ImageMagick version is returned as a number.
 516 %
 517 */
 518 MagickExport const char *GetMagickVersion(size_t *version)
 519 {
 520   if (version != (size_t *) NULL)
 521     *version=MagickLibVersion;
 522   return(MagickVersion);
 523 }
 524 \f
 525 /*
 526 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 527 %                                                                             %
 528 %                                                                             %
 529 %                                                                             %
 530 %   L i s t M a g i c k V e r s i o n                                         %
 531 %                                                                             %
 532 %                                                                             %
 533 %                                                                             %
 534 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 535 %
 536 %  ListMagickVersion() identifies the ImageMagick version by printing its
 537 %  attributes to the file.  Attributes include the copyright, features, and
 538 %  delegates.
 539 %
 540 %  The format of the ListMagickVersion method is:
 541 %
 542 %      void ListMagickVersion(FILE *file)
 543 %
 544 %  A description of each parameter follows:
 545 %
 546 %    o file: the file, typically stdout.
 547 %
 548 */
 549 MagickExport void ListMagickVersion(FILE *file)
 550 {
 551   (void) FormatLocaleFile(file,"Version: %s\n",
 552     GetMagickVersion((size_t *) NULL));
 553   (void) FormatLocaleFile(file,"Copyright: %s\n",GetMagickCopyright());
 554   (void) FormatLocaleFile(file,"Features: %s\n",GetMagickFeatures());
 555   (void) FormatLocaleFile(file,"Delegates: %s\n\n",GetMagickDelegates());
 556 }