granicus.if.org Git - imagemagick/blob - coders/pdf.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %                            PPPP   DDDD   FFFFF                              %
   7 %                            P   P  D   D  F                                  %
   8 %                            PPPP   D   D  FFF                                %
   9 %                            P      D   D  F                                  %
  10 %                            P      DDDD   F                                  %
  11 %                                                                             %
  12 %                                                                             %
  13 %                   Read/Write Portable Document Format                       %
  14 %                                                                             %
  15 %                              Software Design                                %
  16 %                                John Cristy                                  %
  17 %                                 July 1992                                   %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2011 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 /*
  40   Include declarations.
  41 */
  42 #include "MagickCore/studio.h"
  43 #include "MagickCore/attribute.h"
  44 #include "MagickCore/blob.h"
  45 #include "MagickCore/blob-private.h"
  46 #include "MagickCore/cache.h"
  47 #include "MagickCore/color.h"
  48 #include "MagickCore/color-private.h"
  49 #include "MagickCore/colorspace.h"
  50 #include "MagickCore/colorspace-private.h"
  51 #include "MagickCore/compress.h"
  52 #include "MagickCore/constitute.h"
  53 #include "MagickCore/delegate.h"
  54 #include "MagickCore/delegate-private.h"
  55 #include "MagickCore/draw.h"
  56 #include "MagickCore/exception.h"
  57 #include "MagickCore/exception-private.h"
  58 #include "MagickCore/geometry.h"
  59 #include "MagickCore/image.h"
  60 #include "MagickCore/image-private.h"
  61 #include "MagickCore/list.h"
  62 #include "MagickCore/magick.h"
  63 #include "MagickCore/memory_.h"
  64 #include "MagickCore/monitor.h"
  65 #include "MagickCore/monitor-private.h"
  66 #include "MagickCore/option.h"
  67 #include "MagickCore/pixel-accessor.h"
  68 #include "MagickCore/profile.h"
  69 #include "MagickCore/property.h"
  70 #include "MagickCore/quantum-private.h"
  71 #include "MagickCore/resource_.h"
  72 #include "MagickCore/resize.h"
  73 #include "MagickCore/static.h"
  74 #include "MagickCore/string_.h"
  75 #include "MagickCore/module.h"
  76 #include "MagickCore/transform.h"
  77 #include "MagickCore/utility.h"
  78 #include "MagickCore/module.h"
  79 \f
  80 /*
  81   Define declarations.
  82 */
  83 #if defined(MAGICKCORE_TIFF_DELEGATE)
  84 #define CCITTParam  "-1"
  85 #else
  86 #define CCITTParam  "0"
  87 #endif
  88 \f
  89 /*
  90   Forward declarations.
  91 */
  92 static MagickBooleanType
  93   WritePDFImage(const ImageInfo *,Image *,ExceptionInfo *);
  94 \f
  95 /*
  96 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  97 %                                                                             %
  98 %                                                                             %
  99 %                                                                             %
 100 %   I n v o k e P D F D e l e g a t e                                         %
 101 %                                                                             %
 102 %                                                                             %
 103 %                                                                             %
 104 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 105 %
 106 %  InvokePDFDelegate() executes the PDF interpreter with the specified command.
 107 %
 108 %  The format of the InvokePDFDelegate method is:
 109 %
 110 %      MagickBooleanType InvokePDFDelegate(const MagickBooleanType verbose,
 111 %        const char *command,ExceptionInfo *exception)
 112 %
 113 %  A description of each parameter follows:
 114 %
 115 %    o verbose: A value other than zero displays the command prior to
 116 %      executing it.
 117 %
 118 %    o command: the address of a character string containing the command to
 119 %      execute.
 120 %
 121 %    o exception: return any errors or warnings in this structure.
 122 %
 123 */
 124 static MagickBooleanType InvokePDFDelegate(const MagickBooleanType verbose,
 125   const char *command,ExceptionInfo *exception)
 126 {
 127   int
 128     status;
 129
 130 #if defined(MAGICKCORE_GS_DELEGATE) || defined(MAGICKCORE_WINDOWS_SUPPORT)
 131   char
 132     **argv;
 133
 134   const GhostInfo
 135     *ghost_info;
 136
 137   gs_main_instance
 138     *interpreter;
 139
 140   int
 141     argc,
 142     code;
 143
 144   register ssize_t
 145     i;
 146
 147 #if defined(MAGICKCORE_WINDOWS_SUPPORT)
 148   ghost_info=NTGhostscriptDLLVectors();
 149 #else
 150   GhostInfo
 151     ghost_info_struct;
 152
 153   ghost_info=(&ghost_info_struct);
 154   (void) ResetMagickMemory(&ghost_info,0,sizeof(ghost_info));
 155   ghost_info_struct.new_instance=(int (*)(gs_main_instance **,void *))
 156     gsapi_new_instance;
 157   ghost_info_struct.init_with_args=(int (*)(gs_main_instance *,int,char **))
 158     gsapi_init_with_args;
 159   ghost_info_struct.run_string=(int (*)(gs_main_instance *,const char *,int,
 160     int *)) gsapi_run_string;
 161   ghost_info_struct.delete_instance=(void (*)(gs_main_instance *))
 162     gsapi_delete_instance;
 163   ghost_info_struct.exit=(int (*)(gs_main_instance *)) gsapi_exit;
 164 #endif
 165   if (ghost_info == (GhostInfo *) NULL)
 166     {
 167       status=SystemCommand(MagickFalse,verbose,command,exception);
 168       return(status == 0 ? MagickTrue : MagickFalse);
 169     }
 170   if (verbose != MagickFalse)
 171     {
 172       (void) fputs("[ghostscript library]",stdout);
 173       (void) fputs(strchr(command,' '),stdout);
 174     }
 175   status=(ghost_info->new_instance)(&interpreter,(void *) NULL);
 176   if (status < 0)
 177     {
 178       status=SystemCommand(MagickFalse,verbose,command,exception);
 179       return(status == 0 ? MagickTrue : MagickFalse);
 180     }
 181   code=0;
 182   argv=StringToArgv(command,&argc);
 183   status=(ghost_info->init_with_args)(interpreter,argc-1,argv+1);
 184   if (status == 0)
 185     status=(ghost_info->run_string)(interpreter,"systemdict /start get exec\n",
 186       0,&code);
 187   (ghost_info->exit)(interpreter);
 188   (ghost_info->delete_instance)(interpreter);
 189 #if defined(MAGICKCORE_WINDOWS_SUPPORT)
 190   NTGhostscriptUnLoadDLL();
 191 #endif
 192   for (i=0; i < (ssize_t) argc; i++)
 193     argv[i]=DestroyString(argv[i]);
 194   argv=(char **) RelinquishMagickMemory(argv);
 195   if ((status != 0) && (status != -101))
 196     {
 197       char
 198         *message;
 199
 200       message=GetExceptionMessage(errno);
 201       (void) ThrowMagickException(exception,GetMagickModule(),DelegateError,
 202         "`%s': %s",command,message);
 203       message=DestroyString(message);
 204       (void) LogMagickEvent(CoderEvent,GetMagickModule(),
 205         "Ghostscript returns status %d, exit code %d",status,code);
 206       return(MagickFalse);
 207     }
 208   return(MagickTrue);
 209 #else
 210   status=SystemCommand(MagickFalse,verbose,command,exception);
 211   return(status == 0 ? MagickTrue : MagickFalse);
 212 #endif
 213 }
 214 \f
 215 /*
 216 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 217 %                                                                             %
 218 %                                                                             %
 219 %                                                                             %
 220 %   I s P D F                                                                 %
 221 %                                                                             %
 222 %                                                                             %
 223 %                                                                             %
 224 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 225 %
 226 %  IsPDF() returns MagickTrue if the image format type, identified by the
 227 %  magick string, is PDF.
 228 %
 229 %  The format of the IsPDF method is:
 230 %
 231 %      MagickBooleanType IsPDF(const unsigned char *magick,const size_t offset)
 232 %
 233 %  A description of each parameter follows:
 234 %
 235 %    o magick: compare image format pattern against these bytes.
 236 %
 237 %    o offset: Specifies the offset of the magick string.
 238 %
 239 */
 240 static MagickBooleanType IsPDF(const unsigned char *magick,const size_t offset)
 241 {
 242   if (offset < 5)
 243     return(MagickFalse);
 244   if (LocaleNCompare((const char *) magick,"%PDF-",5) == 0)
 245     return(MagickTrue);
 246   return(MagickFalse);
 247 }
 248 \f
 249 /*
 250 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 251 %                                                                             %
 252 %                                                                             %
 253 %                                                                             %
 254 %   R e a d P D F I m a g e                                                   %
 255 %                                                                             %
 256 %                                                                             %
 257 %                                                                             %
 258 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 259 %
 260 %  ReadPDFImage() reads a Portable Document Format image file and
 261 %  returns it.  It allocates the memory necessary for the new Image structure
 262 %  and returns a pointer to the new image.
 263 %
 264 %  The format of the ReadPDFImage method is:
 265 %
 266 %      Image *ReadPDFImage(const ImageInfo *image_info,ExceptionInfo *exception)
 267 %
 268 %  A description of each parameter follows:
 269 %
 270 %    o image_info: the image info.
 271 %
 272 %    o exception: return any errors or warnings in this structure.
 273 %
 274 */
 275
 276 static MagickBooleanType IsPDFRendered(const char *path)
 277 {
 278   MagickBooleanType
 279     status;
 280
 281   struct stat
 282     attributes;
 283
 284   if ((path == (const char *) NULL) || (*path == '\0'))
 285     return(MagickFalse);
 286   status=GetPathAttributes(path,&attributes);
 287   if ((status != MagickFalse) && S_ISREG(attributes.st_mode) &&
 288       (attributes.st_size > 0))
 289     return(MagickTrue);
 290   return(MagickFalse);
 291 }
 292
 293 static Image *ReadPDFImage(const ImageInfo *image_info,ExceptionInfo *exception)
 294 {
 295 #define CropBox  "CropBox"
 296 #define DeviceCMYK  "DeviceCMYK"
 297 #define MediaBox  "MediaBox"
 298 #define RenderPostscriptText  "Rendering Postscript...  "
 299 #define PDFRotate  "Rotate"
 300 #define SpotColor  "Separation"
 301 #define TrimBox  "TrimBox"
 302 #define PDFVersion  "PDF-"
 303
 304   char
 305     command[MaxTextExtent],
 306     density[MaxTextExtent],
 307     filename[MaxTextExtent],
 308     geometry[MaxTextExtent],
 309     options[MaxTextExtent],
 310     input_filename[MaxTextExtent],
 311     postscript_filename[MaxTextExtent];
 312
 313   const char
 314     *option;
 315
 316   const DelegateInfo
 317     *delegate_info;
 318
 319   double
 320     angle;
 321
 322   GeometryInfo
 323     geometry_info;
 324
 325   Image
 326     *image,
 327     *next,
 328     *pdf_image;
 329
 330   ImageInfo
 331     *read_info;
 332
 333   int
 334     c,
 335     file;
 336
 337   MagickBooleanType
 338     cmyk,
 339     cropbox,
 340     trimbox,
 341     status;
 342
 343   MagickStatusType
 344     flags;
 345
 346   PointInfo
 347     delta;
 348
 349   RectangleInfo
 350     bounding_box,
 351     page;
 352
 353   register char
 354     *p;
 355
 356   register ssize_t
 357     i;
 358
 359   SegmentInfo
 360     bounds,
 361     hires_bounds;
 362
 363   size_t
 364     scene,
 365     spotcolor;
 366
 367   ssize_t
 368     count;
 369
 370   assert(image_info != (const ImageInfo *) NULL);
 371   assert(image_info->signature == MagickSignature);
 372   if (image_info->debug != MagickFalse)
 373     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 374       image_info->filename);
 375   assert(exception != (ExceptionInfo *) NULL);
 376   assert(exception->signature == MagickSignature);
 377   /*
 378     Open image file.
 379   */
 380   image=AcquireImage(image_info,exception);
 381   status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
 382   if (status == MagickFalse)
 383     {
 384       image=DestroyImageList(image);
 385       return((Image *) NULL);
 386     }
 387   status=AcquireUniqueSymbolicLink(image_info->filename,input_filename);
 388   if (status == MagickFalse)
 389     {
 390       ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
 391         image_info->filename);
 392       image=DestroyImageList(image);
 393       return((Image *) NULL);
 394     }
 395   /*
 396     Set the page density.
 397   */
 398   delta.x=DefaultResolution;
 399   delta.y=DefaultResolution;
 400   if ((image->x_resolution == 0.0) || (image->y_resolution == 0.0))
 401     {
 402       flags=ParseGeometry(PSDensityGeometry,&geometry_info);
 403       image->x_resolution=geometry_info.rho;
 404       image->y_resolution=geometry_info.sigma;
 405       if ((flags & SigmaValue) == 0)
 406         image->y_resolution=image->x_resolution;
 407     }
 408   /*
 409     Determine page geometry from the PDF media box.
 410   */
 411   cmyk=image_info->colorspace == CMYKColorspace ? MagickTrue : MagickFalse;
 412   cropbox=MagickFalse;
 413   option=GetImageOption(image_info,"pdf:use-cropbox");
 414   if (option != (const char *) NULL)
 415     cropbox=IsMagickTrue(option);
 416   trimbox=MagickFalse;
 417   option=GetImageOption(image_info,"pdf:use-trimbox");
 418   if (option != (const char *) NULL)
 419     trimbox=IsMagickTrue(option);
 420   count=0;
 421   spotcolor=0;
 422   (void) ResetMagickMemory(&bounding_box,0,sizeof(bounding_box));
 423   (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
 424   (void) ResetMagickMemory(&hires_bounds,0,sizeof(hires_bounds));
 425   (void) ResetMagickMemory(&page,0,sizeof(page));
 426   (void) ResetMagickMemory(command,0,sizeof(command));
 427   hires_bounds.x2=0.0;
 428   hires_bounds.y2=0.0;
 429   angle=0.0;
 430   p=command;
 431   for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image))
 432   {
 433     /*
 434       Note PDF elements.
 435     */
 436     if (c == '\n')
 437       c=' ';
 438     *p++=(char) c;
 439     if ((c != (int) '/') && (c != (int) '%') &&
 440         ((size_t) (p-command) < (MaxTextExtent-1)))
 441       continue;
 442     *(--p)='\0';
 443     p=command;
 444     if (LocaleNCompare(PDFRotate,command,strlen(PDFRotate)) == 0)
 445       count=(ssize_t) sscanf(command,"Rotate %lf",&angle);
 446     /*
 447       Is this a CMYK document?
 448     */
 449     if (LocaleNCompare(DeviceCMYK,command,strlen(DeviceCMYK)) == 0)
 450       cmyk=MagickTrue;
 451     if (LocaleNCompare(SpotColor,command,strlen(SpotColor)) == 0)
 452       {
 453         char
 454           name[MaxTextExtent],
 455           property[MaxTextExtent],
 456           *value;
 457
 458         register ssize_t
 459           i;
 460
 461         /*
 462           Note spot names.
 463         */
 464         (void) FormatLocaleString(property,MaxTextExtent,"pdf:SpotColor-%.20g",
 465           (double) spotcolor++);
 466         i=0;
 467         for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image))
 468         {
 469           if ((isspace(c) != 0) || (c == '/') || ((i+1) == MaxTextExtent))
 470             break;
 471           name[i++]=(char) c;
 472         }
 473         name[i]='\0';
 474         value=AcquireString(name);
 475         (void) SubstituteString(&value,"#20"," ");
 476         (void) SetImageProperty(image,property,value,exception);
 477         value=DestroyString(value);
 478         continue;
 479       }
 480     if (LocaleNCompare(PDFVersion,command,strlen(PDFVersion)) == 0)
 481       (void) SetImageProperty(image,"pdf:Version",command,exception);
 482     count=0;
 483     if (cropbox != MagickFalse)
 484       {
 485         if (LocaleNCompare(CropBox,command,strlen(CropBox)) == 0)
 486           {
 487             /*
 488               Note region defined by crop box.
 489             */
 490             count=(ssize_t) sscanf(command,"CropBox [%lf %lf %lf %lf",
 491               &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 492             if (count != 4)
 493               count=(ssize_t) sscanf(command,"CropBox[%lf %lf %lf %lf",
 494                 &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 495           }
 496       }
 497     else
 498       if (trimbox != MagickFalse)
 499         {
 500           if (LocaleNCompare(TrimBox,command,strlen(TrimBox)) == 0)
 501             {
 502               /*
 503                 Note region defined by trim box.
 504               */
 505               count=(ssize_t) sscanf(command,"TrimBox [%lf %lf %lf %lf",
 506                 &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 507               if (count != 4)
 508                 count=(ssize_t) sscanf(command,"TrimBox[%lf %lf %lf %lf",
 509                   &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 510             }
 511         }
 512       else
 513         if (LocaleNCompare(MediaBox,command,strlen(MediaBox)) == 0)
 514           {
 515             /*
 516               Note region defined by media box.
 517             */
 518             count=(ssize_t) sscanf(command,"MediaBox [%lf %lf %lf %lf",
 519               &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 520             if (count != 4)
 521               count=(ssize_t) sscanf(command,"MediaBox[%lf %lf %lf %lf",
 522                 &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 523           }
 524     if (count != 4)
 525       continue;
 526     if (((bounds.x2 > hires_bounds.x2) && (bounds.y2 > hires_bounds.y2)) ||
 527         ((hires_bounds.x2 == 0.0) && (hires_bounds.y2 == 0.0)))
 528       {
 529         /*
 530           Set PDF render geometry.
 531         */
 532         (void) FormatLocaleString(geometry,MaxTextExtent,
 533           "%gx%g%+.15g%+.15g",bounds.x2-bounds.x1,bounds.y2-bounds.y1,
 534            bounds.x1,bounds.y1);
 535         (void) SetImageProperty(image,"pdf:HiResBoundingBox",geometry,
 536           exception);
 537         page.width=(size_t) floor(bounds.x2-bounds.x1+0.5);
 538         page.height=(size_t) floor(bounds.y2-bounds.y1+0.5);
 539         hires_bounds=bounds;
 540       }
 541   }
 542   (void) CloseBlob(image);
 543   if ((fabs(angle) == 90.0) || (fabs(angle) == 270.0))
 544     {
 545       size_t
 546         swap;
 547
 548       swap=page.width;
 549       page.width=page.height;
 550       page.height=swap;
 551     }
 552   if (IsRGBColorspace(image_info->colorspace) != MagickFalse)
 553     cmyk=MagickFalse;
 554   /*
 555     Create Ghostscript control file.
 556   */
 557   file=AcquireUniqueFileResource(postscript_filename);
 558   if (file == -1)
 559     {
 560       ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
 561         image_info->filename);
 562       image=DestroyImage(image);
 563       return((Image *) NULL);
 564     }
 565   count=write(file," ",1);
 566   file=close(file)-1;
 567   /*
 568     Render Postscript with the Ghostscript delegate.
 569   */
 570   if ((image_info->ping != MagickFalse) ||
 571       (image_info->monochrome != MagickFalse))
 572     delegate_info=GetDelegateInfo("ps:mono",(char *) NULL,exception);
 573   else
 574      if (cmyk != MagickFalse)
 575        delegate_info=GetDelegateInfo("ps:cmyk",(char *) NULL,exception);
 576      else
 577        delegate_info=GetDelegateInfo("ps:alpha",(char *) NULL,exception);
 578   if (delegate_info == (const DelegateInfo *) NULL)
 579     {
 580       (void) RelinquishUniqueFileResource(postscript_filename);
 581       image=DestroyImage(image);
 582       return((Image *) NULL);
 583     }
 584   *options='\0';
 585   if (image_info->density != (char *) NULL)
 586     {
 587       flags=ParseGeometry(image_info->density,&geometry_info);
 588       image->x_resolution=geometry_info.rho;
 589       image->y_resolution=geometry_info.sigma;
 590       if ((flags & SigmaValue) == 0)
 591         image->y_resolution=image->x_resolution;
 592     }
 593   (void) FormatLocaleString(density,MaxTextExtent,"%gx%g",image->x_resolution,
 594     image->y_resolution);
 595   if (image_info->page != (char *) NULL)
 596     {
 597       (void) ParseAbsoluteGeometry(image_info->page,&page);
 598       page.width=(size_t) floor((double) (page.width*image->x_resolution/
 599         delta.x)+0.5);
 600       page.height=(size_t) floor((double) (page.height*image->y_resolution/
 601         delta.y)+0.5);
 602       (void) FormatLocaleString(options,MaxTextExtent,"-g%.20gx%.20g ",(double)
 603         page.width,(double) page.height);
 604     }
 605   if (cmyk != MagickFalse)
 606     (void) ConcatenateMagickString(options,"-dUseCIEColor ",MaxTextExtent);
 607   if (cropbox != MagickFalse)
 608     (void) ConcatenateMagickString(options,"-dUseCropBox ",MaxTextExtent);
 609   if (trimbox != MagickFalse)
 610     (void) ConcatenateMagickString(options,"-dUseTrimBox ",MaxTextExtent);
 611   read_info=CloneImageInfo(image_info);
 612   *read_info->magick='\0';
 613   if (read_info->number_scenes != 0)
 614     {
 615       char
 616         pages[MaxTextExtent];
 617
 618       (void) FormatLocaleString(pages,MaxTextExtent,"-dFirstPage=%.20g "
 619         "-dLastPage=%.20g",(double) read_info->scene+1,(double)
 620         (read_info->scene+read_info->number_scenes));
 621       (void) ConcatenateMagickString(options,pages,MaxTextExtent);
 622       read_info->number_scenes=0;
 623       if (read_info->scenes != (char *) NULL)
 624         *read_info->scenes='\0';
 625     }
 626   option=GetImageOption(read_info,"authenticate");
 627   if (option != (const char *) NULL)
 628     (void) FormatLocaleString(options+strlen(options),MaxTextExtent,
 629       " -sPCLPassword=%s",option);
 630   (void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
 631   (void) AcquireUniqueFilename(filename);
 632   (void) ConcatenateMagickString(filename,"-%08d",MaxTextExtent);
 633   (void) FormatLocaleString(command,MaxTextExtent,
 634     GetDelegateCommands(delegate_info),
 635     read_info->antialias != MagickFalse ? 4 : 1,
 636     read_info->antialias != MagickFalse ? 4 : 1,density,options,filename,
 637     postscript_filename,input_filename);
 638   status=InvokePDFDelegate(read_info->verbose,command,exception);
 639   (void) RelinquishUniqueFileResource(postscript_filename);
 640   (void) RelinquishUniqueFileResource(input_filename);
 641   pdf_image=(Image *) NULL;
 642   if (status == MagickFalse)
 643     for (i=1; ; i++)
 644     {
 645       (void) InterpretImageFilename(image_info,image,filename,(int) i,
 646         read_info->filename,exception);
 647       if (IsPDFRendered(read_info->filename) == MagickFalse)
 648         break;
 649       (void) RelinquishUniqueFileResource(read_info->filename);
 650     }
 651   else
 652     for (i=1; ; i++)
 653     {
 654       (void) InterpretImageFilename(image_info,image,filename,(int) i,
 655         read_info->filename,exception);
 656       if (IsPDFRendered(read_info->filename) == MagickFalse)
 657         break;
 658       next=ReadImage(read_info,exception);
 659       (void) RelinquishUniqueFileResource(read_info->filename);
 660       if (next == (Image *) NULL)
 661         break;
 662       AppendImageToList(&pdf_image,next);
 663     }
 664   read_info=DestroyImageInfo(read_info);
 665   if (pdf_image == (Image *) NULL)
 666     {
 667       ThrowFileException(exception,DelegateError,"PostscriptDelegateFailed",
 668         image_info->filename);
 669       image=DestroyImage(image);
 670       return((Image *) NULL);
 671     }
 672   if (LocaleCompare(pdf_image->magick,"BMP") == 0)
 673     {
 674       Image
 675         *cmyk_image;
 676
 677       cmyk_image=ConsolidateCMYKImages(pdf_image,exception);
 678       if (cmyk_image != (Image *) NULL)
 679         {
 680           pdf_image=DestroyImageList(pdf_image);
 681           pdf_image=cmyk_image;
 682         }
 683     }
 684   if (image_info->number_scenes != 0)
 685     {
 686       Image
 687         *clone_image;
 688
 689       register ssize_t
 690         i;
 691
 692       /*
 693         Add place holder images to meet the subimage specification requirement.
 694       */
 695       for (i=0; i < (ssize_t) image_info->scene; i++)
 696       {
 697         clone_image=CloneImage(pdf_image,1,1,MagickTrue,exception);
 698         if (clone_image != (Image *) NULL)
 699           PrependImageToList(&pdf_image,clone_image);
 700       }
 701     }
 702   do
 703   {
 704     (void) CopyMagickString(pdf_image->filename,filename,MaxTextExtent);
 705     pdf_image->page=page;
 706     (void) CloneImageProfiles(pdf_image,image);
 707     (void) CloneImageProperties(pdf_image,image);
 708     next=SyncNextImageInList(pdf_image);
 709     if (next != (Image *) NULL)
 710       pdf_image=next;
 711   } while (next != (Image *) NULL);
 712   image=DestroyImage(image);
 713   scene=0;
 714   for (next=GetFirstImageInList(pdf_image); next != (Image *) NULL; )
 715   {
 716     next->scene=scene++;
 717     next=GetNextImageInList(next);
 718   }
 719   return(GetFirstImageInList(pdf_image));
 720 }
 721 \f
 722 /*
 723 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 724 %                                                                             %
 725 %                                                                             %
 726 %                                                                             %
 727 %   R e g i s t e r P D F I m a g e                                           %
 728 %                                                                             %
 729 %                                                                             %
 730 %                                                                             %
 731 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 732 %
 733 %  RegisterPDFImage() adds properties for the PDF image format to
 734 %  the list of supported formats.  The properties include the image format
 735 %  tag, a method to read and/or write the format, whether the format
 736 %  supports the saving of more than one frame to the same file or blob,
 737 %  whether the format supports native in-memory I/O, and a brief
 738 %  description of the format.
 739 %
 740 %  The format of the RegisterPDFImage method is:
 741 %
 742 %      size_t RegisterPDFImage(void)
 743 %
 744 */
 745 ModuleExport size_t RegisterPDFImage(void)
 746 {
 747   MagickInfo
 748     *entry;
 749
 750   entry=SetMagickInfo("AI");
 751   entry->decoder=(DecodeImageHandler *) ReadPDFImage;
 752   entry->encoder=(EncodeImageHandler *) WritePDFImage;
 753   entry->adjoin=MagickFalse;
 754   entry->blob_support=MagickFalse;
 755   entry->seekable_stream=MagickTrue;
 756   entry->thread_support=EncoderThreadSupport;
 757   entry->description=ConstantString("Adobe Illustrator CS2");
 758   entry->module=ConstantString("PDF");
 759   (void) RegisterMagickInfo(entry);
 760   entry=SetMagickInfo("EPDF");
 761   entry->decoder=(DecodeImageHandler *) ReadPDFImage;
 762   entry->encoder=(EncodeImageHandler *) WritePDFImage;
 763   entry->adjoin=MagickFalse;
 764   entry->blob_support=MagickFalse;
 765   entry->seekable_stream=MagickTrue;
 766   entry->thread_support=EncoderThreadSupport;
 767   entry->description=ConstantString("Encapsulated Portable Document Format");
 768   entry->module=ConstantString("PDF");
 769   (void) RegisterMagickInfo(entry);
 770   entry=SetMagickInfo("PDF");
 771   entry->decoder=(DecodeImageHandler *) ReadPDFImage;
 772   entry->encoder=(EncodeImageHandler *) WritePDFImage;
 773   entry->magick=(IsImageFormatHandler *) IsPDF;
 774   entry->blob_support=MagickFalse;
 775   entry->seekable_stream=MagickTrue;
 776   entry->thread_support=EncoderThreadSupport;
 777   entry->description=ConstantString("Portable Document Format");
 778   entry->module=ConstantString("PDF");
 779   (void) RegisterMagickInfo(entry);
 780   entry=SetMagickInfo("PDFA");
 781   entry->decoder=(DecodeImageHandler *) ReadPDFImage;
 782   entry->encoder=(EncodeImageHandler *) WritePDFImage;
 783   entry->magick=(IsImageFormatHandler *) IsPDF;
 784   entry->blob_support=MagickFalse;
 785   entry->seekable_stream=MagickTrue;
 786   entry->thread_support=EncoderThreadSupport;
 787   entry->description=ConstantString("Portable Document Archive Format");
 788   entry->module=ConstantString("PDF");
 789   (void) RegisterMagickInfo(entry);
 790   return(MagickImageCoderSignature);
 791 }
 792 \f
 793 /*
 794 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 795 %                                                                             %
 796 %                                                                             %
 797 %                                                                             %
 798 %   U n r e g i s t e r P D F I m a g e                                       %
 799 %                                                                             %
 800 %                                                                             %
 801 %                                                                             %
 802 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 803 %
 804 %  UnregisterPDFImage() removes format registrations made by the
 805 %  PDF module from the list of supported formats.
 806 %
 807 %  The format of the UnregisterPDFImage method is:
 808 %
 809 %      UnregisterPDFImage(void)
 810 %
 811 */
 812 ModuleExport void UnregisterPDFImage(void)
 813 {
 814   (void) UnregisterMagickInfo("AI");
 815   (void) UnregisterMagickInfo("EPDF");
 816   (void) UnregisterMagickInfo("PDF");
 817   (void) UnregisterMagickInfo("PDFA");
 818 }
 819 \f
 820 /*
 821 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 822 %                                                                             %
 823 %                                                                             %
 824 %                                                                             %
 825 %   W r i t e P D F I m a g e                                                 %
 826 %                                                                             %
 827 %                                                                             %
 828 %                                                                             %
 829 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 830 %
 831 %  WritePDFImage() writes an image in the Portable Document image
 832 %  format.
 833 %
 834 %  The format of the WritePDFImage method is:
 835 %
 836 %      MagickBooleanType WritePDFImage(const ImageInfo *image_info,
 837 %        Image *image,ExceptionInfo *exception)
 838 %
 839 %  A description of each parameter follows.
 840 %
 841 %    o image_info: the image info.
 842 %
 843 %    o image:  The image.
 844 %
 845 %    o exception: return any errors or warnings in this structure.
 846 %
 847 */
 848
 849 static inline size_t MagickMax(const size_t x,const size_t y)
 850 {
 851   if (x > y)
 852     return(x);
 853   return(y);
 854 }
 855
 856 static inline size_t MagickMin(const size_t x,const size_t y)
 857 {
 858   if (x < y)
 859     return(x);
 860   return(y);
 861 }
 862
 863 static char *EscapeParenthesis(const char *text)
 864 {
 865   register char
 866     *p;
 867
 868   register ssize_t
 869     i;
 870
 871   size_t
 872     escapes;
 873
 874   static char
 875     buffer[MaxTextExtent];
 876
 877   escapes=0;
 878   p=buffer;
 879   for (i=0; i < (ssize_t) MagickMin(strlen(text),(MaxTextExtent-escapes-1)); i++)
 880   {
 881     if ((text[i] == '(') || (text[i] == ')'))
 882       {
 883         *p++='\\';
 884         escapes++;
 885       }
 886     *p++=text[i];
 887   }
 888   *p='\0';
 889   return(buffer);
 890 }
 891
 892 static MagickBooleanType Huffman2DEncodeImage(const ImageInfo *image_info,
 893   Image *image,Image *inject_image,ExceptionInfo *exception)
 894 {
 895   Image
 896     *group4_image;
 897
 898   ImageInfo
 899     *write_info;
 900
 901   MagickBooleanType
 902     status;
 903
 904   size_t
 905     length;
 906
 907   unsigned char
 908     *group4;
 909
 910   status=MagickTrue;
 911   write_info=CloneImageInfo(image_info);
 912   (void) CopyMagickString(write_info->filename,"GROUP4:",MaxTextExtent);
 913   (void) CopyMagickString(write_info->magick,"GROUP4",MaxTextExtent);
 914   group4_image=CloneImage(inject_image,0,0,MagickTrue,exception);
 915   if (group4_image == (Image *) NULL)
 916     return(MagickFalse);
 917   group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
 918     exception);
 919   group4_image=DestroyImage(group4_image);
 920   if (group4 == (unsigned char *) NULL)
 921     return(MagickFalse);
 922   write_info=DestroyImageInfo(write_info);
 923   if (WriteBlob(image,length,group4) != (ssize_t) length)
 924     status=MagickFalse;
 925   group4=(unsigned char *) RelinquishMagickMemory(group4);
 926   return(status);
 927 }
 928
 929 static MagickBooleanType WritePDFImage(const ImageInfo *image_info,Image *image,
 930   ExceptionInfo *exception)
 931 {
 932 #define CFormat  "/Filter [ /%s ]\n"
 933 #define ObjectsPerImage  14
 934
 935   static const char
 936     XMPProfile[]=
 937     {
 938       "<?xpacket begin=\"%s\" id=\"W5M0MpCehiHzreSzNTczkc9d\"?>\n"
 939       "<x:xmpmeta xmlns:x=\"adobe:ns:meta/\" x:xmptk=\"Adobe XMP Core 4.0-c316 44.253921, Sun Oct 01 2006 17:08:23\">\n"
 940       "   <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\">\n"
 941       "      <rdf:Description rdf:about=\"\"\n"
 942       "            xmlns:xap=\"http://ns.adobe.com/xap/1.0/\">\n"
 943       "         <xap:ModifyDate>%s</xap:ModifyDate>\n"
 944       "         <xap:CreateDate>%s</xap:CreateDate>\n"
 945       "         <xap:MetadataDate>%s</xap:MetadataDate>\n"
 946       "         <xap:CreatorTool>%s</xap:CreatorTool>\n"
 947       "      </rdf:Description>\n"
 948       "      <rdf:Description rdf:about=\"\"\n"
 949       "            xmlns:dc=\"http://purl.org/dc/elements/1.1/\">\n"
 950       "         <dc:format>application/pdf</dc:format>\n"
 951       "      </rdf:Description>\n"
 952       "      <rdf:Description rdf:about=\"\"\n"
 953       "            xmlns:xapMM=\"http://ns.adobe.com/xap/1.0/mm/\">\n"
 954       "         <xapMM:DocumentID>uuid:6ec119d7-7982-4f56-808d-dfe64f5b35cf</xapMM:DocumentID>\n"
 955       "         <xapMM:InstanceID>uuid:a79b99b4-6235-447f-9f6c-ec18ef7555cb</xapMM:InstanceID>\n"
 956       "      </rdf:Description>\n"
 957       "      <rdf:Description rdf:about=\"\"\n"
 958       "            xmlns:pdf=\"http://ns.adobe.com/pdf/1.3/\">\n"
 959       "         <pdf:Producer>%s</pdf:Producer>\n"
 960       "      </rdf:Description>\n"
 961       "      <rdf:Description rdf:about=\"\"\n"
 962       "            xmlns:pdfaid=\"http://www.aiim.org/pdfa/ns/id/\">\n"
 963       "         <pdfaid:part>1</pdfaid:part>\n"
 964       "         <pdfaid:conformance>B</pdfaid:conformance>\n"
 965       "      </rdf:Description>\n"
 966       "   </rdf:RDF>\n"
 967       "</x:xmpmeta>\n"
 968       "<?xpacket end=\"w\"?>\n"
 969     },
 970     XMPProfileMagick[4]= { (char) 0xef, (char) 0xbb, (char) 0xbf, (char) 0x00 };
 971
 972   char
 973     basename[MaxTextExtent],
 974     buffer[MaxTextExtent],
 975     date[MaxTextExtent],
 976     **labels,
 977     page_geometry[MaxTextExtent];
 978
 979   CompressionType
 980     compression;
 981
 982   const char
 983     *value;
 984
 985   double
 986     pointsize;
 987
 988   GeometryInfo
 989     geometry_info;
 990
 991   Image
 992     *next,
 993     *tile_image;
 994
 995   MagickBooleanType
 996     status;
 997
 998   MagickOffsetType
 999     offset,
1000     scene,
1001     *xref;
1002
1003   MagickSizeType
1004     number_pixels;
1005
1006   MagickStatusType
1007     flags;
1008
1009   PointInfo
1010     delta,
1011     resolution,
1012     scale;
1013
1014   RectangleInfo
1015     geometry,
1016     media_info,
1017     page_info;
1018
1019   register const Quantum
1020     *p;
1021
1022   register unsigned char
1023     *q;
1024
1025   register ssize_t
1026     i,
1027     x;
1028
1029   size_t
1030     info_id,
1031     length,
1032     object,
1033     pages_id,
1034     root_id,
1035     text_size,
1036     version;
1037
1038   ssize_t
1039     count,
1040     y;
1041
1042   struct tm
1043     local_time;
1044
1045   time_t
1046     seconds;
1047
1048   unsigned char
1049     *pixels;
1050
1051   /*
1052     Open output image file.
1053   */
1054   assert(image_info != (const ImageInfo *) NULL);
1055   assert(image_info->signature == MagickSignature);
1056   assert(image != (Image *) NULL);
1057   assert(image->signature == MagickSignature);
1058   if (image->debug != MagickFalse)
1059     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1060   assert(exception != (ExceptionInfo *) NULL);
1061   assert(exception->signature == MagickSignature);
1062   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1063   if (status == MagickFalse)
1064     return(status);
1065   /*
1066     Allocate X ref memory.
1067   */
1068   xref=(MagickOffsetType *) AcquireQuantumMemory(2048UL,sizeof(*xref));
1069   if (xref == (MagickOffsetType *) NULL)
1070     ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1071   (void) ResetMagickMemory(xref,0,2048UL*sizeof(*xref));
1072   /*
1073     Write Info object.
1074   */
1075   object=0;
1076   version=3;
1077   if (image_info->compression == JPEG2000Compression)
1078     version=(size_t) MagickMax(version,5);
1079   for (next=image; next != (Image *) NULL; next=GetNextImageInList(next))
1080     if (next->matte != MagickFalse)
1081       version=(size_t) MagickMax(version,4);
1082   if (LocaleCompare(image_info->magick,"PDFA") == 0)
1083     version=(size_t) MagickMax(version,6);
1084   (void) FormatLocaleString(buffer,MaxTextExtent,"%%PDF-1.%.20g \n",
1085     (double) version);
1086   (void) WriteBlobString(image,buffer);
1087   if (LocaleCompare(image_info->magick,"PDFA") == 0)
1088     (void) WriteBlobString(image,"%âãÏÓ\n");
1089   /*
1090     Write Catalog object.
1091   */
1092   xref[object++]=TellBlob(image);
1093   root_id=object;
1094   (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1095     object);
1096   (void) WriteBlobString(image,buffer);
1097   (void) WriteBlobString(image,"<<\n");
1098   if (LocaleCompare(image_info->magick,"PDFA") != 0)
1099     (void) FormatLocaleString(buffer,MaxTextExtent,"/Pages %.20g 0 R\n",
1100       (double) object+1);
1101   else
1102     {
1103       (void) FormatLocaleString(buffer,MaxTextExtent,"/Metadata %.20g 0 R\n",
1104         (double) object+1);
1105       (void) WriteBlobString(image,buffer);
1106       (void) FormatLocaleString(buffer,MaxTextExtent,"/Pages %.20g 0 R\n",
1107         (double) object+2);
1108     }
1109   (void) WriteBlobString(image,buffer);
1110   (void) WriteBlobString(image,"/Type /Catalog\n");
1111   (void) WriteBlobString(image,">>\n");
1112   (void) WriteBlobString(image,"endobj\n");
1113   if (LocaleCompare(image_info->magick,"PDFA") == 0)
1114     {
1115       char
1116         create_date[MaxTextExtent],
1117         modify_date[MaxTextExtent],
1118         timestamp[MaxTextExtent],
1119         xmp_profile[MaxTextExtent];
1120
1121       size_t
1122         version;
1123
1124       /*
1125         Write XMP object.
1126       */
1127       xref[object++]=TellBlob(image);
1128       (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",
1129         (double) object);
1130       (void) WriteBlobString(image,buffer);
1131       (void) WriteBlobString(image,"<<\n");
1132       (void) WriteBlobString(image,"/Subtype /XML\n");
1133       *modify_date='\0';
1134       value=GetImageProperty(image,"date:modify",exception);
1135       if (value != (const char *) NULL)
1136         (void) CopyMagickString(modify_date,value,MaxTextExtent);
1137       *create_date='\0';
1138       value=GetImageProperty(image,"date:create",exception);
1139       if (value != (const char *) NULL)
1140         (void) CopyMagickString(create_date,value,MaxTextExtent);
1141       (void) FormatMagickTime(time((time_t *) NULL),MaxTextExtent,timestamp);
1142       i=FormatLocaleString(xmp_profile,MaxTextExtent,XMPProfile,
1143         XMPProfileMagick,modify_date,create_date,timestamp,
1144         GetMagickVersion(&version),GetMagickVersion(&version));
1145       (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g\n",
1146         (double) i);
1147       (void) WriteBlobString(image,buffer);
1148       (void) WriteBlobString(image,"/Type /Metadata\n");
1149       (void) WriteBlobString(image,">>\nstream\n");
1150       (void) WriteBlobString(image,xmp_profile);
1151       (void) WriteBlobString(image,"endstream\n");
1152       (void) WriteBlobString(image,"endobj\n");
1153     }
1154   /*
1155     Write Pages object.
1156   */
1157   xref[object++]=TellBlob(image);
1158   pages_id=object;
1159   (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1160     object);
1161   (void) WriteBlobString(image,buffer);
1162   (void) WriteBlobString(image,"<<\n");
1163   (void) WriteBlobString(image,"/Type /Pages\n");
1164   (void) FormatLocaleString(buffer,MaxTextExtent,"/Kids [ %.20g 0 R ",
1165     (double) object+1);
1166   (void) WriteBlobString(image,buffer);
1167   count=(ssize_t) (pages_id+ObjectsPerImage+1);
1168   if (image_info->adjoin != MagickFalse)
1169     {
1170       Image
1171         *kid_image;
1172
1173       /*
1174         Predict page object id's.
1175       */
1176       kid_image=image;
1177       for ( ; GetNextImageInList(kid_image) != (Image *) NULL; count+=ObjectsPerImage)
1178       {
1179         (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 R ",(double)
1180           count);
1181         (void) WriteBlobString(image,buffer);
1182         kid_image=GetNextImageInList(kid_image);
1183       }
1184       xref=(MagickOffsetType *) ResizeQuantumMemory(xref,(size_t) count+2048UL,
1185         sizeof(*xref));
1186       if (xref == (MagickOffsetType *) NULL)
1187         ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1188     }
1189   (void) WriteBlobString(image,"]\n");
1190   (void) FormatLocaleString(buffer,MaxTextExtent,"/Count %.20g\n",
1191     (double) ((count-pages_id)/ObjectsPerImage));
1192   (void) WriteBlobString(image,buffer);
1193   (void) WriteBlobString(image,">>\n");
1194   (void) WriteBlobString(image,"endobj\n");
1195   scene=0;
1196   do
1197   {
1198     compression=image->compression;
1199     if (image_info->compression != UndefinedCompression)
1200       compression=image_info->compression;
1201     switch (compression)
1202     {
1203       case FaxCompression:
1204       case Group4Compression:
1205       {
1206         if ((IsImageMonochrome(image,exception) == MagickFalse) ||
1207             (image->matte != MagickFalse))
1208           compression=RLECompression;
1209         break;
1210       }
1211 #if !defined(MAGICKCORE_JPEG_DELEGATE)
1212       case JPEGCompression:
1213       {
1214         compression=RLECompression;
1215         (void) ThrowMagickException(exception,GetMagickModule(),
1216           MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
1217           image->filename);
1218         break;
1219       }
1220 #endif
1221 #if !defined(MAGICKCORE_JP2_DELEGATE)
1222       case JPEG2000Compression:
1223       {
1224         compression=RLECompression;
1225         (void) ThrowMagickException(exception,GetMagickModule(),
1226           MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JP2)",
1227           image->filename);
1228         break;
1229       }
1230 #endif
1231 #if !defined(MAGICKCORE_ZLIB_DELEGATE)
1232       case ZipCompression:
1233       {
1234         compression=RLECompression;
1235         (void) ThrowMagickException(exception,GetMagickModule(),
1236           MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (ZLIB)",
1237           image->filename);
1238         break;
1239       }
1240 #endif
1241       case LZWCompression:
1242       {
1243         if (LocaleCompare(image_info->magick,"PDFA") == 0)
1244           compression=RLECompression;  /* LZW compression is forbidden */
1245         break;
1246       }
1247       case NoCompression:
1248       {
1249         if (LocaleCompare(image_info->magick,"PDFA") == 0)
1250           compression=RLECompression; /* ASCII 85 compression is forbidden */
1251         break;
1252       }
1253       default:
1254         break;
1255     }
1256     if (compression == JPEG2000Compression)
1257       {
1258         if (IsRGBColorspace(image->colorspace) == MagickFalse)
1259           (void) TransformImageColorspace(image,RGBColorspace,exception);
1260       }
1261     /*
1262       Scale relative to dots-per-inch.
1263     */
1264     delta.x=DefaultResolution;
1265     delta.y=DefaultResolution;
1266     resolution.x=image->x_resolution;
1267     resolution.y=image->y_resolution;
1268     if ((resolution.x == 0.0) || (resolution.y == 0.0))
1269       {
1270         flags=ParseGeometry(PSDensityGeometry,&geometry_info);
1271         resolution.x=geometry_info.rho;
1272         resolution.y=geometry_info.sigma;
1273         if ((flags & SigmaValue) == 0)
1274           resolution.y=resolution.x;
1275       }
1276     if (image_info->density != (char *) NULL)
1277       {
1278         flags=ParseGeometry(image_info->density,&geometry_info);
1279         resolution.x=geometry_info.rho;
1280         resolution.y=geometry_info.sigma;
1281         if ((flags & SigmaValue) == 0)
1282           resolution.y=resolution.x;
1283       }
1284     if (image->units == PixelsPerCentimeterResolution)
1285       {
1286         resolution.x=(double) ((size_t) (100.0*2.54*resolution.x+0.5)/100.0);
1287         resolution.y=(double) ((size_t) (100.0*2.54*resolution.y+0.5)/100.0);
1288       }
1289     SetGeometry(image,&geometry);
1290     (void) FormatLocaleString(page_geometry,MaxTextExtent,"%.20gx%.20g",
1291       (double) image->columns,(double) image->rows);
1292     if (image_info->page != (char *) NULL)
1293       (void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
1294     else
1295       if ((image->page.width != 0) && (image->page.height != 0))
1296         (void) FormatLocaleString(page_geometry,MaxTextExtent,
1297           "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,
1298           (double) image->page.height,(double) image->page.x,(double)
1299           image->page.y);
1300       else
1301         if ((image->gravity != UndefinedGravity) &&
1302             (LocaleCompare(image_info->magick,"PDF") == 0))
1303           (void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
1304     (void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
1305     (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
1306       &geometry.width,&geometry.height);
1307     scale.x=(double) (geometry.width*delta.x)/resolution.x;
1308     geometry.width=(size_t) floor(scale.x+0.5);
1309     scale.y=(double) (geometry.height*delta.y)/resolution.y;
1310     geometry.height=(size_t) floor(scale.y+0.5);
1311     (void) ParseAbsoluteGeometry(page_geometry,&media_info);
1312     (void) ParseGravityGeometry(image,page_geometry,&page_info,exception);
1313     if (image->gravity != UndefinedGravity)
1314       {
1315         geometry.x=(-page_info.x);
1316         geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
1317       }
1318     pointsize=12.0;
1319     if (image_info->pointsize != 0.0)
1320       pointsize=image_info->pointsize;
1321     text_size=0;
1322     value=GetImageProperty(image,"label",exception);
1323     if (value != (const char *) NULL)
1324       text_size=(size_t) (MultilineCensus(value)*pointsize+12);
1325     (void) text_size;
1326     /*
1327       Write Page object.
1328     */
1329     xref[object++]=TellBlob(image);
1330     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1331       object);
1332     (void) WriteBlobString(image,buffer);
1333     (void) WriteBlobString(image,"<<\n");
1334     (void) WriteBlobString(image,"/Type /Page\n");
1335     (void) FormatLocaleString(buffer,MaxTextExtent,"/Parent %.20g 0 R\n",
1336       (double) pages_id);
1337     (void) WriteBlobString(image,buffer);
1338     (void) WriteBlobString(image,"/Resources <<\n");
1339     labels=(char **) NULL;
1340     value=GetImageProperty(image,"label",exception);
1341     if (value != (const char *) NULL)
1342       labels=StringToList(value);
1343     if (labels != (char **) NULL)
1344       {
1345         (void) FormatLocaleString(buffer,MaxTextExtent,
1346           "/Font << /F%.20g %.20g 0 R >>\n",(double) image->scene,(double)
1347           object+4);
1348         (void) WriteBlobString(image,buffer);
1349       }
1350     (void) FormatLocaleString(buffer,MaxTextExtent,
1351       "/XObject << /Im%.20g %.20g 0 R >>\n",(double) image->scene,(double)
1352       object+5);
1353     (void) WriteBlobString(image,buffer);
1354     (void) FormatLocaleString(buffer,MaxTextExtent,"/ProcSet %.20g 0 R >>\n",
1355       (double) object+3);
1356     (void) WriteBlobString(image,buffer);
1357     (void) FormatLocaleString(buffer,MaxTextExtent,
1358       "/MediaBox [0 0 %g %g]\n",72.0*media_info.width/resolution.x,
1359       72.0*media_info.height/resolution.y);
1360     (void) WriteBlobString(image,buffer);
1361     (void) FormatLocaleString(buffer,MaxTextExtent,
1362       "/CropBox [0 0 %g %g]\n",72.0*media_info.width/resolution.x,
1363       72.0*media_info.height/resolution.y);
1364     (void) WriteBlobString(image,buffer);
1365     (void) FormatLocaleString(buffer,MaxTextExtent,"/Contents %.20g 0 R\n",
1366       (double) object+1);
1367     (void) WriteBlobString(image,buffer);
1368     (void) FormatLocaleString(buffer,MaxTextExtent,"/Thumb %.20g 0 R\n",
1369       (double) object+8);
1370     (void) WriteBlobString(image,buffer);
1371     (void) WriteBlobString(image,">>\n");
1372     (void) WriteBlobString(image,"endobj\n");
1373     /*
1374       Write Contents object.
1375     */
1376     xref[object++]=TellBlob(image);
1377     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1378       object);
1379     (void) WriteBlobString(image,buffer);
1380     (void) WriteBlobString(image,"<<\n");
1381     (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
1382       (double) object+1);
1383     (void) WriteBlobString(image,buffer);
1384     (void) WriteBlobString(image,">>\n");
1385     (void) WriteBlobString(image,"stream\n");
1386     offset=TellBlob(image);
1387     (void) WriteBlobString(image,"q\n");
1388     if (labels != (char **) NULL)
1389       for (i=0; labels[i] != (char *) NULL; i++)
1390       {
1391         (void) WriteBlobString(image,"BT\n");
1392         (void) FormatLocaleString(buffer,MaxTextExtent,"/F%.20g %g Tf\n",
1393           (double) image->scene,pointsize);
1394         (void) WriteBlobString(image,buffer);
1395         (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g Td\n",
1396           (double) geometry.x,(double) (geometry.y+geometry.height+i*pointsize+
1397           12));
1398         (void) WriteBlobString(image,buffer);
1399         (void) FormatLocaleString(buffer,MaxTextExtent,"(%s) Tj\n",labels[i]);
1400         (void) WriteBlobString(image,buffer);
1401         (void) WriteBlobString(image,"ET\n");
1402         labels[i]=DestroyString(labels[i]);
1403       }
1404     (void) FormatLocaleString(buffer,MaxTextExtent,"%g 0 0 %g %.20g %.20g cm\n",
1405       scale.x,scale.y,(double) geometry.x,(double) geometry.y);
1406     (void) WriteBlobString(image,buffer);
1407     (void) FormatLocaleString(buffer,MaxTextExtent,"/Im%.20g Do\n",
1408       (double) image->scene);
1409     (void) WriteBlobString(image,buffer);
1410     (void) WriteBlobString(image,"Q\n");
1411     offset=TellBlob(image)-offset;
1412     (void) WriteBlobString(image,"endstream\n");
1413     (void) WriteBlobString(image,"endobj\n");
1414     /*
1415       Write Length object.
1416     */
1417     xref[object++]=TellBlob(image);
1418     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1419       object);
1420     (void) WriteBlobString(image,buffer);
1421     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double) offset);
1422     (void) WriteBlobString(image,buffer);
1423     (void) WriteBlobString(image,"endobj\n");
1424     /*
1425       Write Procset object.
1426     */
1427     xref[object++]=TellBlob(image);
1428     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",
1429       (double) object);
1430     (void) WriteBlobString(image,buffer);
1431     if ((image->storage_class == DirectClass) || (image->colors > 256))
1432       (void) CopyMagickString(buffer,"[ /PDF /Text /ImageC",MaxTextExtent);
1433     else
1434       if ((compression == FaxCompression) || (compression == Group4Compression))
1435         (void) CopyMagickString(buffer,"[ /PDF /Text /ImageB",MaxTextExtent);
1436       else
1437         (void) CopyMagickString(buffer,"[ /PDF /Text /ImageI",MaxTextExtent);
1438     (void) WriteBlobString(image,buffer);
1439     (void) WriteBlobString(image," ]\n");
1440     (void) WriteBlobString(image,"endobj\n");
1441     /*
1442       Write Font object.
1443     */
1444     xref[object++]=TellBlob(image);
1445     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",
1446       (double) object);
1447     (void) WriteBlobString(image,buffer);
1448     (void) WriteBlobString(image,"<<\n");
1449     if (labels != (char **) NULL)
1450       {
1451         (void) WriteBlobString(image,"/Type /Font\n");
1452         (void) WriteBlobString(image,"/Subtype /Type1\n");
1453         (void) FormatLocaleString(buffer,MaxTextExtent,"/Name /F%.20g\n",
1454           (double) image->scene);
1455         (void) WriteBlobString(image,buffer);
1456         (void) WriteBlobString(image,"/BaseFont /Helvetica\n");
1457         (void) WriteBlobString(image,"/Encoding /MacRomanEncoding\n");
1458         labels=(char **) RelinquishMagickMemory(labels);
1459       }
1460     (void) WriteBlobString(image,">>\n");
1461     (void) WriteBlobString(image,"endobj\n");
1462     /*
1463       Write XObject object.
1464     */
1465     xref[object++]=TellBlob(image);
1466     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1467       object);
1468     (void) WriteBlobString(image,buffer);
1469     (void) WriteBlobString(image,"<<\n");
1470     (void) WriteBlobString(image,"/Type /XObject\n");
1471     (void) WriteBlobString(image,"/Subtype /Image\n");
1472     (void) FormatLocaleString(buffer,MaxTextExtent,"/Name /Im%.20g\n",
1473       (double) image->scene);
1474     (void) WriteBlobString(image,buffer);
1475     switch (compression)
1476     {
1477       case NoCompression:
1478       {
1479         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"ASCII85Decode");
1480         break;
1481       }
1482       case JPEGCompression:
1483       {
1484         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"DCTDecode");
1485         if (image->colorspace != CMYKColorspace)
1486           break;
1487         (void) WriteBlobString(image,buffer);
1488         (void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
1489           MaxTextExtent);
1490         break;
1491       }
1492       case JPEG2000Compression:
1493       {
1494         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"JPXDecode");
1495         if (image->colorspace != CMYKColorspace)
1496           break;
1497         (void) WriteBlobString(image,buffer);
1498         (void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
1499           MaxTextExtent);
1500         break;
1501       }
1502       case LZWCompression:
1503       {
1504         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"LZWDecode");
1505         break;
1506       }
1507       case ZipCompression:
1508       {
1509         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"FlateDecode");
1510         break;
1511       }
1512       case FaxCompression:
1513       case Group4Compression:
1514       {
1515         (void) CopyMagickString(buffer,"/Filter [ /CCITTFaxDecode ]\n",
1516           MaxTextExtent);
1517         (void) WriteBlobString(image,buffer);
1518         (void) FormatLocaleString(buffer,MaxTextExtent,"/DecodeParms [ << "
1519           "/K %s /BlackIs1 false /Columns %.20g /Rows %.20g >> ]\n",CCITTParam,
1520           (double) image->columns,(double) image->rows);
1521         break;
1522       }
1523       default:
1524       {
1525         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
1526           "RunLengthDecode");
1527         break;
1528       }
1529     }
1530     (void) WriteBlobString(image,buffer);
1531     (void) FormatLocaleString(buffer,MaxTextExtent,"/Width %.20g\n",(double)
1532       image->columns);
1533     (void) WriteBlobString(image,buffer);
1534     (void) FormatLocaleString(buffer,MaxTextExtent,"/Height %.20g\n",(double)
1535       image->rows);
1536     (void) WriteBlobString(image,buffer);
1537     (void) FormatLocaleString(buffer,MaxTextExtent,"/ColorSpace %.20g 0 R\n",
1538       (double) object+2);
1539     (void) WriteBlobString(image,buffer);
1540     (void) FormatLocaleString(buffer,MaxTextExtent,"/BitsPerComponent %d\n",
1541       (compression == FaxCompression) || (compression == Group4Compression) ?
1542       1 : 8);
1543     (void) WriteBlobString(image,buffer);
1544     if (image->matte != MagickFalse)
1545       {
1546         (void) FormatLocaleString(buffer,MaxTextExtent,"/SMask %.20g 0 R\n",
1547           (double) object+7);
1548         (void) WriteBlobString(image,buffer);
1549       }
1550     (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
1551       (double) object+1);
1552     (void) WriteBlobString(image,buffer);
1553     (void) WriteBlobString(image,">>\n");
1554     (void) WriteBlobString(image,"stream\n");
1555     offset=TellBlob(image);
1556     number_pixels=(MagickSizeType) image->columns*image->rows;
1557     if ((4*number_pixels) != (MagickSizeType) ((size_t) (4*number_pixels)))
1558       ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1559     if ((compression == FaxCompression) || (compression == Group4Compression) ||
1560         ((image_info->type != TrueColorType) &&
1561          (IsImageGray(image,exception) != MagickFalse)))
1562       {
1563         switch (compression)
1564         {
1565           case FaxCompression:
1566           case Group4Compression:
1567           {
1568             if (LocaleCompare(CCITTParam,"0") == 0)
1569               {
1570                 (void) HuffmanEncodeImage(image_info,image,image,exception);
1571                 break;
1572               }
1573             (void) Huffman2DEncodeImage(image_info,image,image,exception);
1574             break;
1575           }
1576           case JPEGCompression:
1577           {
1578             status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1579             if (status == MagickFalse)
1580               {
1581                 (void) CloseBlob(image);
1582                 return(MagickFalse);
1583               }
1584             break;
1585           }
1586           case JPEG2000Compression:
1587           {
1588             status=InjectImageBlob(image_info,image,image,"jp2",exception);
1589             if (status == MagickFalse)
1590               {
1591                 (void) CloseBlob(image);
1592                 return(MagickFalse);
1593               }
1594             break;
1595           }
1596           case RLECompression:
1597           default:
1598           {
1599             /*
1600               Allocate pixel array.
1601             */
1602             length=(size_t) number_pixels;
1603             pixels=(unsigned char *) AcquireQuantumMemory(length,
1604               sizeof(*pixels));
1605             if (pixels == (unsigned char *) NULL)
1606               ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1607             /*
1608               Dump Runlength encoded pixels.
1609             */
1610             q=pixels;
1611             for (y=0; y < (ssize_t) image->rows; y++)
1612             {
1613               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1614               if (p == (const Quantum *) NULL)
1615                 break;
1616               for (x=0; x < (ssize_t) image->columns; x++)
1617               {
1618                 *q++=ScaleQuantumToChar(GetPixelIntensity(image,p));
1619                 p+=GetPixelChannels(image);
1620               }
1621               if (image->previous == (Image *) NULL)
1622                 {
1623                   status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1624                     y,image->rows);
1625                   if (status == MagickFalse)
1626                     break;
1627                 }
1628             }
1629 #if defined(MAGICKCORE_ZLIB_DELEGATE)
1630             if (compression == ZipCompression)
1631               status=ZLIBEncodeImage(image,length,pixels,exception);
1632             else
1633 #endif
1634               if (compression == LZWCompression)
1635                 status=LZWEncodeImage(image,length,pixels,exception);
1636               else
1637                 status=PackbitsEncodeImage(image,length,pixels,exception);
1638             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1639             if (status == MagickFalse)
1640               {
1641                 (void) CloseBlob(image);
1642                 return(MagickFalse);
1643               }
1644             break;
1645           }
1646           case NoCompression:
1647           {
1648             /*
1649               Dump uncompressed PseudoColor packets.
1650             */
1651             Ascii85Initialize(image);
1652             for (y=0; y < (ssize_t) image->rows; y++)
1653             {
1654               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1655               if (p == (const Quantum *) NULL)
1656                 break;
1657               for (x=0; x < (ssize_t) image->columns; x++)
1658               {
1659                 Ascii85Encode(image,ScaleQuantumToChar(
1660                   GetPixelIntensity(image,p)));
1661                 p+=GetPixelChannels(image);
1662               }
1663               if (image->previous == (Image *) NULL)
1664                 {
1665                   status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1666                     y,image->rows);
1667                   if (status == MagickFalse)
1668                     break;
1669                 }
1670             }
1671             Ascii85Flush(image);
1672             break;
1673           }
1674         }
1675       }
1676     else
1677       if ((image->storage_class == DirectClass) || (image->colors > 256) ||
1678           (compression == JPEGCompression) ||
1679           (compression == JPEG2000Compression))
1680         switch (compression)
1681         {
1682           case JPEGCompression:
1683           {
1684             status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1685             if (status == MagickFalse)
1686               {
1687                 (void) CloseBlob(image);
1688                 return(MagickFalse);
1689               }
1690             break;
1691           }
1692           case JPEG2000Compression:
1693           {
1694             status=InjectImageBlob(image_info,image,image,"jp2",exception);
1695             if (status == MagickFalse)
1696               {
1697                 (void) CloseBlob(image);
1698                 return(MagickFalse);
1699               }
1700             break;
1701           }
1702           case RLECompression:
1703           default:
1704           {
1705             /*
1706               Allocate pixel array.
1707             */
1708             length=(size_t) number_pixels;
1709             pixels=(unsigned char *) AcquireQuantumMemory(length,
1710               4*sizeof(*pixels));
1711             length*=image->colorspace == CMYKColorspace ? 4UL : 3UL;
1712             if (pixels == (unsigned char *) NULL)
1713               ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1714             /*
1715               Dump runoffset encoded pixels.
1716             */
1717             q=pixels;
1718             for (y=0; y < (ssize_t) image->rows; y++)
1719             {
1720               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1721               if (p == (const Quantum *) NULL)
1722                 break;
1723               for (x=0; x < (ssize_t) image->columns; x++)
1724               {
1725                 *q++=ScaleQuantumToChar(GetPixelRed(image,p));
1726                 *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
1727                 *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
1728                 if (image->colorspace == CMYKColorspace)
1729                   *q++=ScaleQuantumToChar(GetPixelBlack(image,p));
1730                 p+=GetPixelChannels(image);
1731               }
1732               if (image->previous == (Image *) NULL)
1733                 {
1734                   status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1735                     y,image->rows);
1736                   if (status == MagickFalse)
1737                     break;
1738                 }
1739             }
1740 #if defined(MAGICKCORE_ZLIB_DELEGATE)
1741             if (compression == ZipCompression)
1742               status=ZLIBEncodeImage(image,length,pixels,exception);
1743             else
1744 #endif
1745               if (compression == LZWCompression)
1746                 status=LZWEncodeImage(image,length,pixels,exception);
1747               else
1748                 status=PackbitsEncodeImage(image,length,pixels,exception);
1749             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1750             if (status == MagickFalse)
1751               {
1752                 (void) CloseBlob(image);
1753                 return(MagickFalse);
1754               }
1755             break;
1756           }
1757           case NoCompression:
1758           {
1759             /*
1760               Dump uncompressed DirectColor packets.
1761             */
1762             Ascii85Initialize(image);
1763             for (y=0; y < (ssize_t) image->rows; y++)
1764             {
1765               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1766               if (p == (const Quantum *) NULL)
1767                 break;
1768               for (x=0; x < (ssize_t) image->columns; x++)
1769               {
1770                 Ascii85Encode(image,ScaleQuantumToChar(GetPixelRed(image,p)));
1771                 Ascii85Encode(image,ScaleQuantumToChar(GetPixelGreen(image,p)));
1772                 Ascii85Encode(image,ScaleQuantumToChar(GetPixelBlue(image,p)));
1773                 if (image->colorspace == CMYKColorspace)
1774                   Ascii85Encode(image,ScaleQuantumToChar(
1775                     GetPixelBlack(image,p)));
1776                 p+=GetPixelChannels(image);
1777               }
1778               if (image->previous == (Image *) NULL)
1779                 {
1780                   status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1781                     y,image->rows);
1782                   if (status == MagickFalse)
1783                     break;
1784                 }
1785             }
1786             Ascii85Flush(image);
1787             break;
1788           }
1789         }
1790       else
1791         {
1792           /*
1793             Dump number of colors and colormap.
1794           */
1795           switch (compression)
1796           {
1797             case RLECompression:
1798             default:
1799             {
1800               /*
1801                 Allocate pixel array.
1802               */
1803               length=(size_t) number_pixels;
1804               pixels=(unsigned char *) AcquireQuantumMemory(length,
1805                 sizeof(*pixels));
1806               if (pixels == (unsigned char *) NULL)
1807                 ThrowWriterException(ResourceLimitError,
1808                   "MemoryAllocationFailed");
1809               /*
1810                 Dump Runlength encoded pixels.
1811               */
1812               q=pixels;
1813               for (y=0; y < (ssize_t) image->rows; y++)
1814               {
1815                 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1816                 if (p == (const Quantum *) NULL)
1817                   break;
1818                 for (x=0; x < (ssize_t) image->columns; x++)
1819                 {
1820                   *q++=(unsigned char) GetPixelIndex(image,p);
1821                   p+=GetPixelChannels(image);
1822                 }
1823                 if (image->previous == (Image *) NULL)
1824                   {
1825                     status=SetImageProgress(image,SaveImageTag,
1826                       (MagickOffsetType) y,image->rows);
1827                     if (status == MagickFalse)
1828                       break;
1829                   }
1830               }
1831 #if defined(MAGICKCORE_ZLIB_DELEGATE)
1832               if (compression == ZipCompression)
1833                 status=ZLIBEncodeImage(image,length,pixels,exception);
1834               else
1835 #endif
1836                 if (compression == LZWCompression)
1837                   status=LZWEncodeImage(image,length,pixels,exception);
1838                 else
1839                   status=PackbitsEncodeImage(image,length,pixels,exception);
1840               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1841               if (status == MagickFalse)
1842                 {
1843                   (void) CloseBlob(image);
1844                   return(MagickFalse);
1845                 }
1846               break;
1847             }
1848             case NoCompression:
1849             {
1850               /*
1851                 Dump uncompressed PseudoColor packets.
1852               */
1853               Ascii85Initialize(image);
1854               for (y=0; y < (ssize_t) image->rows; y++)
1855               {
1856                 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1857                 if (p == (const Quantum *) NULL)
1858                   break;
1859                 for (x=0; x < (ssize_t) image->columns; x++)
1860                 {
1861                   Ascii85Encode(image,(unsigned char) GetPixelIndex(image,p));
1862                   p+=GetPixelChannels(image);
1863                 }
1864                 if (image->previous == (Image *) NULL)
1865                   {
1866                     status=SetImageProgress(image,SaveImageTag,
1867                       (MagickOffsetType) y,image->rows);
1868                     if (status == MagickFalse)
1869                       break;
1870                   }
1871               }
1872               Ascii85Flush(image);
1873               break;
1874             }
1875           }
1876         }
1877     offset=TellBlob(image)-offset;
1878     (void) WriteBlobString(image,"\nendstream\n");
1879     (void) WriteBlobString(image,"endobj\n");
1880     /*
1881       Write Length object.
1882     */
1883     xref[object++]=TellBlob(image);
1884     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1885       object);
1886     (void) WriteBlobString(image,buffer);
1887     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",
1888       (double) offset);
1889     (void) WriteBlobString(image,buffer);
1890     (void) WriteBlobString(image,"endobj\n");
1891     /*
1892       Write Colorspace object.
1893     */
1894     xref[object++]=TellBlob(image);
1895     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1896       object);
1897     (void) WriteBlobString(image,buffer);
1898     if (image->colorspace == CMYKColorspace)
1899       (void) CopyMagickString(buffer,"/DeviceCMYK\n",MaxTextExtent);
1900     else
1901       if ((compression == FaxCompression) ||
1902           (compression == Group4Compression) ||
1903           ((image_info->type != TrueColorType) &&
1904            (IsImageGray(image,exception) != MagickFalse)))
1905           (void) CopyMagickString(buffer,"/DeviceGray\n",MaxTextExtent);
1906       else
1907         if ((image->storage_class == DirectClass) || (image->colors > 256) ||
1908             (compression == JPEGCompression) ||
1909             (compression == JPEG2000Compression))
1910           (void) CopyMagickString(buffer,"/DeviceRGB\n",MaxTextExtent);
1911         else
1912           (void) FormatLocaleString(buffer,MaxTextExtent,
1913             "[ /Indexed /DeviceRGB %.20g %.20g 0 R ]\n",(double) image->colors-
1914             1,(double) object+3);
1915     (void) WriteBlobString(image,buffer);
1916     (void) WriteBlobString(image,"endobj\n");
1917     /*
1918       Write Thumb object.
1919     */
1920     SetGeometry(image,&geometry);
1921     (void) ParseMetaGeometry("106x106+0+0>",&geometry.x,&geometry.y,
1922       &geometry.width,&geometry.height);
1923     tile_image=ThumbnailImage(image,geometry.width,geometry.height,exception);
1924     if (tile_image == (Image *) NULL)
1925       return(MagickFalse);
1926     xref[object++]=TellBlob(image);
1927     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1928       object);
1929     (void) WriteBlobString(image,buffer);
1930     (void) WriteBlobString(image,"<<\n");
1931     switch (compression)
1932     {
1933       case NoCompression:
1934       {
1935         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"ASCII85Decode");
1936         break;
1937       }
1938       case JPEGCompression:
1939       {
1940         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"DCTDecode");
1941         if (image->colorspace != CMYKColorspace)
1942           break;
1943         (void) WriteBlobString(image,buffer);
1944         (void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
1945           MaxTextExtent);
1946         break;
1947       }
1948       case JPEG2000Compression:
1949       {
1950         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"JPXDecode");
1951         if (image->colorspace != CMYKColorspace)
1952           break;
1953         (void) WriteBlobString(image,buffer);
1954         (void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
1955           MaxTextExtent);
1956         break;
1957       }
1958       case LZWCompression:
1959       {
1960         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"LZWDecode");
1961         break;
1962       }
1963       case ZipCompression:
1964       {
1965         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"FlateDecode");
1966         break;
1967       }
1968       case FaxCompression:
1969       case Group4Compression:
1970       {
1971         (void) CopyMagickString(buffer,"/Filter [ /CCITTFaxDecode ]\n",
1972           MaxTextExtent);
1973         (void) WriteBlobString(image,buffer);
1974         (void) FormatLocaleString(buffer,MaxTextExtent,"/DecodeParms [ << "
1975           "/K %s /BlackIs1 false /Columns %.20g /Rows %.20g >> ]\n",CCITTParam,
1976           (double) tile_image->columns,(double) tile_image->rows);
1977         break;
1978       }
1979       default:
1980       {
1981         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
1982           "RunLengthDecode");
1983         break;
1984       }
1985     }
1986     (void) WriteBlobString(image,buffer);
1987     (void) FormatLocaleString(buffer,MaxTextExtent,"/Width %.20g\n",(double)
1988       tile_image->columns);
1989     (void) WriteBlobString(image,buffer);
1990     (void) FormatLocaleString(buffer,MaxTextExtent,"/Height %.20g\n",(double)
1991       tile_image->rows);
1992     (void) WriteBlobString(image,buffer);
1993     (void) FormatLocaleString(buffer,MaxTextExtent,"/ColorSpace %.20g 0 R\n",
1994       (double) object-1);
1995     (void) WriteBlobString(image,buffer);
1996     (void) FormatLocaleString(buffer,MaxTextExtent,"/BitsPerComponent %d\n",
1997       (compression == FaxCompression) || (compression == Group4Compression) ?
1998       1 : 8);
1999     (void) WriteBlobString(image,buffer);
2000     (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
2001       (double) object+1);
2002     (void) WriteBlobString(image,buffer);
2003     (void) WriteBlobString(image,">>\n");
2004     (void) WriteBlobString(image,"stream\n");
2005     offset=TellBlob(image);
2006     number_pixels=(MagickSizeType) tile_image->columns*tile_image->rows;
2007     if ((compression == FaxCompression) ||
2008         (compression == Group4Compression) ||
2009         ((image_info->type != TrueColorType) &&
2010          (IsImageGray(tile_image,exception) != MagickFalse)))
2011       {
2012         switch (compression)
2013         {
2014           case FaxCompression:
2015           case Group4Compression:
2016           {
2017             if (LocaleCompare(CCITTParam,"0") == 0)
2018               {
2019                 (void) HuffmanEncodeImage(image_info,image,tile_image,
2020                   exception);
2021                 break;
2022               }
2023             (void) Huffman2DEncodeImage(image_info,image,tile_image,exception);
2024             break;
2025           }
2026           case JPEGCompression:
2027           {
2028             status=InjectImageBlob(image_info,image,tile_image,"jpeg",
2029               exception);
2030             if (status == MagickFalse)
2031               {
2032                 (void) CloseBlob(image);
2033                 return(MagickFalse);
2034               }
2035             break;
2036           }
2037           case JPEG2000Compression:
2038           {
2039             status=InjectImageBlob(image_info,image,tile_image,"jp2",exception);
2040             if (status == MagickFalse)
2041               {
2042                 (void) CloseBlob(image);
2043                 return(MagickFalse);
2044               }
2045             break;
2046           }
2047           case RLECompression:
2048           default:
2049           {
2050             /*
2051               Allocate pixel array.
2052             */
2053             length=(size_t) number_pixels;
2054             pixels=(unsigned char *) AcquireQuantumMemory(length,
2055               sizeof(*pixels));
2056             if (pixels == (unsigned char *) NULL)
2057               {
2058                 tile_image=DestroyImage(tile_image);
2059                 ThrowWriterException(ResourceLimitError,
2060                   "MemoryAllocationFailed");
2061               }
2062             /*
2063               Dump Runlength encoded pixels.
2064             */
2065             q=pixels;
2066             for (y=0; y < (ssize_t) tile_image->rows; y++)
2067             {
2068               p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2069                 exception);
2070               if (p == (const Quantum *) NULL)
2071                 break;
2072               for (x=0; x < (ssize_t) tile_image->columns; x++)
2073               {
2074                 *q++=ScaleQuantumToChar(GetPixelIntensity(tile_image,p));
2075                 p+=GetPixelChannels(tile_image);
2076               }
2077             }
2078 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2079             if (compression == ZipCompression)
2080               status=ZLIBEncodeImage(image,length,pixels,exception);
2081             else
2082 #endif
2083               if (compression == LZWCompression)
2084                 status=LZWEncodeImage(image,length,pixels,exception);
2085               else
2086                 status=PackbitsEncodeImage(image,length,pixels,exception);
2087             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2088             if (status == MagickFalse)
2089               {
2090                 (void) CloseBlob(image);
2091                 return(MagickFalse);
2092               }
2093             break;
2094           }
2095           case NoCompression:
2096           {
2097             /*
2098               Dump uncompressed PseudoColor packets.
2099             */
2100             Ascii85Initialize(image);
2101             for (y=0; y < (ssize_t) tile_image->rows; y++)
2102             {
2103               p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2104                 exception);
2105               if (p == (const Quantum *) NULL)
2106                 break;
2107               for (x=0; x < (ssize_t) tile_image->columns; x++)
2108               {
2109                 Ascii85Encode(image,
2110                   ScaleQuantumToChar(GetPixelIntensity(tile_image,p)));
2111                 p+=GetPixelChannels(tile_image);
2112               }
2113             }
2114             Ascii85Flush(image);
2115             break;
2116           }
2117         }
2118       }
2119     else
2120       if ((tile_image->storage_class == DirectClass) ||
2121           (tile_image->colors > 256) || (compression == JPEGCompression) ||
2122           (compression == JPEG2000Compression))
2123         switch (compression)
2124         {
2125           case JPEGCompression:
2126           {
2127             status=InjectImageBlob(image_info,image,tile_image,"jpeg",
2128               exception);
2129             if (status == MagickFalse)
2130               {
2131                 (void) CloseBlob(image);
2132                 return(MagickFalse);
2133               }
2134             break;
2135           }
2136           case JPEG2000Compression:
2137           {
2138             status=InjectImageBlob(image_info,image,tile_image,"jp2",exception);
2139             if (status == MagickFalse)
2140               {
2141                 (void) CloseBlob(image);
2142                 return(MagickFalse);
2143               }
2144             break;
2145           }
2146           case RLECompression:
2147           default:
2148           {
2149             /*
2150               Allocate pixel array.
2151             */
2152             length=(size_t) number_pixels;
2153             pixels=(unsigned char *) AcquireQuantumMemory(length,4*
2154               sizeof(*pixels));
2155             length*=tile_image->colorspace == CMYKColorspace ? 4UL : 3UL;
2156             if (pixels == (unsigned char *) NULL)
2157               {
2158                 tile_image=DestroyImage(tile_image);
2159                 ThrowWriterException(ResourceLimitError,
2160                   "MemoryAllocationFailed");
2161               }
2162             /*
2163               Dump runoffset encoded pixels.
2164             */
2165             q=pixels;
2166             for (y=0; y < (ssize_t) tile_image->rows; y++)
2167             {
2168               p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2169                 exception);
2170               if (p == (const Quantum *) NULL)
2171                 break;
2172               for (x=0; x < (ssize_t) tile_image->columns; x++)
2173               {
2174                 *q++=ScaleQuantumToChar(GetPixelRed(tile_image,p));
2175                 *q++=ScaleQuantumToChar(GetPixelGreen(tile_image,p));
2176                 *q++=ScaleQuantumToChar(GetPixelBlue(tile_image,p));
2177                 if (image->colorspace == CMYKColorspace)
2178                   *q++=ScaleQuantumToChar(GetPixelBlack(tile_image,p));
2179                 p+=GetPixelChannels(tile_image);
2180               }
2181             }
2182 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2183             if (compression == ZipCompression)
2184               status=ZLIBEncodeImage(image,length,pixels,exception);
2185             else
2186 #endif
2187               if (compression == LZWCompression)
2188                 status=LZWEncodeImage(image,length,pixels,exception);
2189               else
2190                 status=PackbitsEncodeImage(image,length,pixels,exception);
2191             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2192             if (status == MagickFalse)
2193               {
2194                 (void) CloseBlob(image);
2195                 return(MagickFalse);
2196               }
2197             break;
2198           }
2199           case NoCompression:
2200           {
2201             /*
2202               Dump uncompressed DirectColor packets.
2203             */
2204             Ascii85Initialize(image);
2205             for (y=0; y < (ssize_t) tile_image->rows; y++)
2206             {
2207               p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2208                 exception);
2209               if (p == (const Quantum *) NULL)
2210                 break;
2211               for (x=0; x < (ssize_t) tile_image->columns; x++)
2212               {
2213                 Ascii85Encode(image,ScaleQuantumToChar(
2214                   GetPixelRed(tile_image,p)));
2215                 Ascii85Encode(image,ScaleQuantumToChar(
2216                   GetPixelGreen(tile_image,p)));
2217                 Ascii85Encode(image,ScaleQuantumToChar(
2218                   GetPixelBlue(tile_image,p)));
2219                 if (image->colorspace == CMYKColorspace)
2220                   Ascii85Encode(image,ScaleQuantumToChar(
2221                     GetPixelBlack(tile_image,p)));
2222                 p+=GetPixelChannels(tile_image);
2223               }
2224             }
2225             Ascii85Flush(image);
2226             break;
2227           }
2228         }
2229       else
2230         {
2231           /*
2232             Dump number of colors and colormap.
2233           */
2234           switch (compression)
2235           {
2236             case RLECompression:
2237             default:
2238             {
2239               /*
2240                 Allocate pixel array.
2241               */
2242               length=(size_t) number_pixels;
2243               pixels=(unsigned char *) AcquireQuantumMemory(length,
2244                 sizeof(*pixels));
2245               if (pixels == (unsigned char *) NULL)
2246                 {
2247                   tile_image=DestroyImage(tile_image);
2248                   ThrowWriterException(ResourceLimitError,
2249                     "MemoryAllocationFailed");
2250                 }
2251               /*
2252                 Dump Runlength encoded pixels.
2253               */
2254               q=pixels;
2255               for (y=0; y < (ssize_t) tile_image->rows; y++)
2256               {
2257                 p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2258                   exception);
2259                 if (p == (const Quantum *) NULL)
2260                   break;
2261                 for (x=0; x < (ssize_t) tile_image->columns; x++)
2262                 {
2263                   *q++=(unsigned char) GetPixelIndex(tile_image,p);
2264                   q+=GetPixelChannels(image);
2265                 }
2266               }
2267 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2268               if (compression == ZipCompression)
2269                 status=ZLIBEncodeImage(image,length,pixels,exception);
2270               else
2271 #endif
2272                 if (compression == LZWCompression)
2273                   status=LZWEncodeImage(image,length,pixels,exception);
2274                 else
2275                   status=PackbitsEncodeImage(image,length,pixels,exception);
2276               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2277               if (status == MagickFalse)
2278                 {
2279                   (void) CloseBlob(image);
2280                   return(MagickFalse);
2281                 }
2282               break;
2283             }
2284             case NoCompression:
2285             {
2286               /*
2287                 Dump uncompressed PseudoColor packets.
2288               */
2289               Ascii85Initialize(image);
2290               for (y=0; y < (ssize_t) tile_image->rows; y++)
2291               {
2292                 p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2293                   exception);
2294                 if (p == (const Quantum *) NULL)
2295                   break;
2296                 for (x=0; x < (ssize_t) tile_image->columns; x++)
2297                 {
2298                   Ascii85Encode(image,(unsigned char)
2299                     GetPixelIndex(tile_image,p));
2300                   p+=GetPixelChannels(image);
2301                 }
2302               }
2303               Ascii85Flush(image);
2304               break;
2305             }
2306           }
2307         }
2308     tile_image=DestroyImage(tile_image);
2309     offset=TellBlob(image)-offset;
2310     (void) WriteBlobString(image,"\nendstream\n");
2311     (void) WriteBlobString(image,"endobj\n");
2312     /*
2313       Write Length object.
2314     */
2315     xref[object++]=TellBlob(image);
2316     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2317       object);
2318     (void) WriteBlobString(image,buffer);
2319     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double) offset);
2320     (void) WriteBlobString(image,buffer);
2321     (void) WriteBlobString(image,"endobj\n");
2322     xref[object++]=TellBlob(image);
2323     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2324       object);
2325     (void) WriteBlobString(image,buffer);
2326     if ((image->storage_class != DirectClass) && (image->colors <= 256) &&
2327         (compression != FaxCompression) && (compression != Group4Compression))
2328       {
2329         /*
2330           Write Colormap object.
2331         */
2332         (void) WriteBlobString(image,"<<\n");
2333         if (compression == NoCompression)
2334           (void) WriteBlobString(image,"/Filter [ /ASCII85Decode ]\n");
2335         (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
2336           (double) object+1);
2337         (void) WriteBlobString(image,buffer);
2338         (void) WriteBlobString(image,">>\n");
2339         (void) WriteBlobString(image,"stream\n");
2340         offset=TellBlob(image);
2341         if (compression == NoCompression)
2342           Ascii85Initialize(image);
2343         for (i=0; i < (ssize_t) image->colors; i++)
2344         {
2345           if (compression == NoCompression)
2346             {
2347               Ascii85Encode(image,ScaleQuantumToChar(image->colormap[i].red));
2348               Ascii85Encode(image,ScaleQuantumToChar(image->colormap[i].green));
2349               Ascii85Encode(image,ScaleQuantumToChar(image->colormap[i].blue));
2350               continue;
2351             }
2352           (void) WriteBlobByte(image,
2353             ScaleQuantumToChar(image->colormap[i].red));
2354           (void) WriteBlobByte(image,
2355             ScaleQuantumToChar(image->colormap[i].green));
2356           (void) WriteBlobByte(image,
2357             ScaleQuantumToChar(image->colormap[i].blue));
2358         }
2359         if (compression == NoCompression)
2360           Ascii85Flush(image);
2361        offset=TellBlob(image)-offset;
2362        (void) WriteBlobString(image,"\nendstream\n");
2363       }
2364     (void) WriteBlobString(image,"endobj\n");
2365     /*
2366       Write Length object.
2367     */
2368     xref[object++]=TellBlob(image);
2369     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2370       object);
2371     (void) WriteBlobString(image,buffer);
2372     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double)
2373       offset);
2374     (void) WriteBlobString(image,buffer);
2375     (void) WriteBlobString(image,"endobj\n");
2376     /*
2377       Write softmask object.
2378     */
2379     xref[object++]=TellBlob(image);
2380     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2381       object);
2382     (void) WriteBlobString(image,buffer);
2383     (void) WriteBlobString(image,"<<\n");
2384     if (image->matte == MagickFalse)
2385       (void) WriteBlobString(image,">>\n");
2386     else
2387       {
2388         (void) WriteBlobString(image,"/Type /XObject\n");
2389         (void) WriteBlobString(image,"/Subtype /Image\n");
2390         (void) FormatLocaleString(buffer,MaxTextExtent,"/Name /Ma%.20g\n",
2391           (double) image->scene);
2392         (void) WriteBlobString(image,buffer);
2393         switch (compression)
2394         {
2395           case NoCompression:
2396           {
2397             (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
2398               "ASCII85Decode");
2399             break;
2400           }
2401           case LZWCompression:
2402           {
2403             (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"LZWDecode");
2404             break;
2405           }
2406           case ZipCompression:
2407           {
2408             (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
2409               "FlateDecode");
2410             break;
2411           }
2412           default:
2413           {
2414             (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
2415               "RunLengthDecode");
2416             break;
2417           }
2418         }
2419         (void) WriteBlobString(image,buffer);
2420         (void) FormatLocaleString(buffer,MaxTextExtent,"/Width %.20g\n",
2421           (double) image->columns);
2422         (void) WriteBlobString(image,buffer);
2423         (void) FormatLocaleString(buffer,MaxTextExtent,"/Height %.20g\n",
2424           (double) image->rows);
2425         (void) WriteBlobString(image,buffer);
2426         (void) WriteBlobString(image,"/ColorSpace /DeviceGray\n");
2427         (void) FormatLocaleString(buffer,MaxTextExtent,"/BitsPerComponent %d\n",
2428           (compression == FaxCompression) || (compression == Group4Compression)
2429           ? 1 : 8);
2430         (void) WriteBlobString(image,buffer);
2431         (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
2432           (double) object+1);
2433         (void) WriteBlobString(image,buffer);
2434         (void) WriteBlobString(image,">>\n");
2435         (void) WriteBlobString(image,"stream\n");
2436         offset=TellBlob(image);
2437         number_pixels=(MagickSizeType) image->columns*image->rows;
2438         switch (compression)
2439         {
2440           case RLECompression:
2441           default:
2442           {
2443             /*
2444               Allocate pixel array.
2445             */
2446             length=(size_t) number_pixels;
2447             pixels=(unsigned char *) AcquireQuantumMemory(length,
2448               sizeof(*pixels));
2449             if (pixels == (unsigned char *) NULL)
2450               {
2451                 image=DestroyImage(image);
2452                 ThrowWriterException(ResourceLimitError,
2453                   "MemoryAllocationFailed");
2454               }
2455             /*
2456               Dump Runlength encoded pixels.
2457             */
2458             q=pixels;
2459             for (y=0; y < (ssize_t) image->rows; y++)
2460             {
2461               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
2462               if (p == (const Quantum *) NULL)
2463                 break;
2464               for (x=0; x < (ssize_t) image->columns; x++)
2465               {
2466                 *q++=ScaleQuantumToChar(GetPixelAlpha(image,p));
2467                 p+=GetPixelChannels(image);
2468               }
2469             }
2470 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2471             if (compression == ZipCompression)
2472               status=ZLIBEncodeImage(image,length,pixels,exception);
2473             else
2474 #endif
2475               if (compression == LZWCompression)
2476                 status=LZWEncodeImage(image,length,pixels,exception);
2477               else
2478                 status=PackbitsEncodeImage(image,length,pixels,exception);
2479             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2480             if (status == MagickFalse)
2481               {
2482                 (void) CloseBlob(image);
2483                 return(MagickFalse);
2484               }
2485             break;
2486           }
2487           case NoCompression:
2488           {
2489             /*
2490               Dump uncompressed PseudoColor packets.
2491             */
2492             Ascii85Initialize(image);
2493             for (y=0; y < (ssize_t) image->rows; y++)
2494             {
2495               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
2496               if (p == (const Quantum *) NULL)
2497                 break;
2498               for (x=0; x < (ssize_t) image->columns; x++)
2499               {
2500                 Ascii85Encode(image,ScaleQuantumToChar(GetPixelAlpha(image,p)));
2501                 p+=GetPixelChannels(image);
2502               }
2503             }
2504             Ascii85Flush(image);
2505             break;
2506           }
2507         }
2508         offset=TellBlob(image)-offset;
2509         (void) WriteBlobString(image,"\nendstream\n");
2510       }
2511     (void) WriteBlobString(image,"endobj\n");
2512     /*
2513       Write Length object.
2514     */
2515     xref[object++]=TellBlob(image);
2516     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2517       object);
2518     (void) WriteBlobString(image,buffer);
2519     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double) offset);
2520     (void) WriteBlobString(image,buffer);
2521     (void) WriteBlobString(image,"endobj\n");
2522     if (GetNextImageInList(image) == (Image *) NULL)
2523       break;
2524     image=SyncNextImageInList(image);
2525     status=SetImageProgress(image,SaveImagesTag,scene++,
2526       GetImageListLength(image));
2527     if (status == MagickFalse)
2528       break;
2529   } while (image_info->adjoin != MagickFalse);
2530   /*
2531     Write Metadata object.
2532   */
2533   xref[object++]=TellBlob(image);
2534   info_id=object;
2535   (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2536     object);
2537   (void) WriteBlobString(image,buffer);
2538   (void) WriteBlobString(image,"<<\n");
2539   GetPathComponent(image->filename,BasePath,basename);
2540   (void) FormatLocaleString(buffer,MaxTextExtent,"/Title (%s)\n",
2541     EscapeParenthesis(basename));
2542   (void) WriteBlobString(image,buffer);
2543   seconds=time((time_t *) NULL);
2544 #if defined(MAGICKCORE_HAVE_LOCALTIME_R)
2545   (void) localtime_r(&seconds,&local_time);
2546 #else
2547   (void) memcpy(&local_time,localtime(&seconds),sizeof(local_time));
2548 #endif
2549   (void) FormatLocaleString(date,MaxTextExtent,"D:%04d%02d%02d%02d%02d%02d",
2550     local_time.tm_year+1900,local_time.tm_mon+1,local_time.tm_mday,
2551     local_time.tm_hour,local_time.tm_min,local_time.tm_sec);
2552   (void) FormatLocaleString(buffer,MaxTextExtent,"/CreationDate (%s)\n",date);
2553   (void) WriteBlobString(image,buffer);
2554   (void) FormatLocaleString(buffer,MaxTextExtent,"/ModDate (%s)\n",date);
2555   (void) WriteBlobString(image,buffer);
2556   (void) FormatLocaleString(buffer,MaxTextExtent,"/Producer (%s)\n",
2557     EscapeParenthesis(GetMagickVersion((size_t *) NULL)));
2558   (void) WriteBlobString(image,buffer);
2559   (void) WriteBlobString(image,">>\n");
2560   (void) WriteBlobString(image,"endobj\n");
2561   /*
2562     Write Xref object.
2563   */
2564   offset=TellBlob(image)-xref[0]+10;
2565   (void) WriteBlobString(image,"xref\n");
2566   (void) FormatLocaleString(buffer,MaxTextExtent,"0 %.20g\n",(double)
2567     object+1);
2568   (void) WriteBlobString(image,buffer);
2569   (void) WriteBlobString(image,"0000000000 65535 f \n");
2570   for (i=0; i < (ssize_t) object; i++)
2571   {
2572     (void) FormatLocaleString(buffer,MaxTextExtent,"%010lu 00000 n \n",
2573       (unsigned long) xref[i]);
2574     (void) WriteBlobString(image,buffer);
2575   }
2576   (void) WriteBlobString(image,"trailer\n");
2577   (void) WriteBlobString(image,"<<\n");
2578   (void) FormatLocaleString(buffer,MaxTextExtent,"/Size %.20g\n",(double)
2579     object+1);
2580   (void) WriteBlobString(image,buffer);
2581   (void) FormatLocaleString(buffer,MaxTextExtent,"/Info %.20g 0 R\n",(double)
2582     info_id);
2583   (void) WriteBlobString(image,buffer);
2584   (void) FormatLocaleString(buffer,MaxTextExtent,"/Root %.20g 0 R\n",(double)
2585     root_id);
2586   (void) WriteBlobString(image,buffer);
2587   (void) WriteBlobString(image,">>\n");
2588   (void) WriteBlobString(image,"startxref\n");
2589   (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double) offset);
2590   (void) WriteBlobString(image,buffer);
2591   (void) WriteBlobString(image,"%%EOF\n");
2592   xref=(MagickOffsetType *) RelinquishMagickMemory(xref);
2593   (void) CloseBlob(image);
2594   return(MagickTrue);
2595 }