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 *);
  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);
 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);
 477         value=DestroyString(value);
 478         continue;
 479       }
 480     if (LocaleNCompare(PDFVersion,command,strlen(PDFVersion)) == 0)
 481       (void) SetImageProperty(image,"pdf:Version",command);
 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         page.width=(size_t) floor(bounds.x2-bounds.x1+0.5);
 537         page.height=(size_t) floor(bounds.y2-bounds.y1+0.5);
 538         hires_bounds=bounds;
 539       }
 540   }
 541   (void) CloseBlob(image);
 542   if ((fabs(angle) == 90.0) || (fabs(angle) == 270.0))
 543     {
 544       size_t
 545         swap;
 546
 547       swap=page.width;
 548       page.width=page.height;
 549       page.height=swap;
 550     }
 551   if (IsRGBColorspace(image_info->colorspace) != MagickFalse)
 552     cmyk=MagickFalse;
 553   /*
 554     Create Ghostscript control file.
 555   */
 556   file=AcquireUniqueFileResource(postscript_filename);
 557   if (file == -1)
 558     {
 559       ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
 560         image_info->filename);
 561       image=DestroyImage(image);
 562       return((Image *) NULL);
 563     }
 564   count=write(file," ",1);
 565   file=close(file)-1;
 566   /*
 567     Render Postscript with the Ghostscript delegate.
 568   */
 569   if ((image_info->ping != MagickFalse) ||
 570       (image_info->monochrome != MagickFalse))
 571     delegate_info=GetDelegateInfo("ps:mono",(char *) NULL,exception);
 572   else
 573      if (cmyk != MagickFalse)
 574        delegate_info=GetDelegateInfo("ps:cmyk",(char *) NULL,exception);
 575      else
 576        delegate_info=GetDelegateInfo("ps:alpha",(char *) NULL,exception);
 577   if (delegate_info == (const DelegateInfo *) NULL)
 578     {
 579       (void) RelinquishUniqueFileResource(postscript_filename);
 580       image=DestroyImage(image);
 581       return((Image *) NULL);
 582     }
 583   *options='\0';
 584   if (image_info->density != (char *) NULL)
 585     {
 586       flags=ParseGeometry(image_info->density,&geometry_info);
 587       image->x_resolution=geometry_info.rho;
 588       image->y_resolution=geometry_info.sigma;
 589       if ((flags & SigmaValue) == 0)
 590         image->y_resolution=image->x_resolution;
 591     }
 592   (void) FormatLocaleString(density,MaxTextExtent,"%gx%g",image->x_resolution,
 593     image->y_resolution);
 594   if (image_info->page != (char *) NULL)
 595     {
 596       (void) ParseAbsoluteGeometry(image_info->page,&page);
 597       page.width=(size_t) floor((double) (page.width*image->x_resolution/
 598         delta.x)+0.5);
 599       page.height=(size_t) floor((double) (page.height*image->y_resolution/
 600         delta.y)+0.5);
 601       (void) FormatLocaleString(options,MaxTextExtent,"-g%.20gx%.20g ",(double)
 602         page.width,(double) page.height);
 603     }
 604   if (cmyk != MagickFalse)
 605     (void) ConcatenateMagickString(options,"-dUseCIEColor ",MaxTextExtent);
 606   if (cropbox != MagickFalse)
 607     (void) ConcatenateMagickString(options,"-dUseCropBox ",MaxTextExtent);
 608   if (trimbox != MagickFalse)
 609     (void) ConcatenateMagickString(options,"-dUseTrimBox ",MaxTextExtent);
 610   read_info=CloneImageInfo(image_info);
 611   *read_info->magick='\0';
 612   if (read_info->number_scenes != 0)
 613     {
 614       char
 615         pages[MaxTextExtent];
 616
 617       (void) FormatLocaleString(pages,MaxTextExtent,"-dFirstPage=%.20g "
 618         "-dLastPage=%.20g",(double) read_info->scene+1,(double)
 619         (read_info->scene+read_info->number_scenes));
 620       (void) ConcatenateMagickString(options,pages,MaxTextExtent);
 621       read_info->number_scenes=0;
 622       if (read_info->scenes != (char *) NULL)
 623         *read_info->scenes='\0';
 624     }
 625   if (read_info->authenticate != (char *) NULL)
 626     (void) FormatLocaleString(options+strlen(options),MaxTextExtent,
 627       " -sPDFPassword=%s",read_info->authenticate);
 628   (void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
 629   (void) AcquireUniqueFilename(filename);
 630   (void) ConcatenateMagickString(filename,"-%08d",MaxTextExtent);
 631   (void) FormatLocaleString(command,MaxTextExtent,
 632     GetDelegateCommands(delegate_info),
 633     read_info->antialias != MagickFalse ? 4 : 1,
 634     read_info->antialias != MagickFalse ? 4 : 1,density,options,filename,
 635     postscript_filename,input_filename);
 636   status=InvokePDFDelegate(read_info->verbose,command,exception);
 637   (void) RelinquishUniqueFileResource(postscript_filename);
 638   (void) RelinquishUniqueFileResource(input_filename);
 639   pdf_image=(Image *) NULL;
 640   if (status == MagickFalse)
 641     for (i=1; ; i++)
 642     {
 643       (void) InterpretImageFilename(image_info,image,filename,(int) i,
 644         read_info->filename);
 645       if (IsPDFRendered(read_info->filename) == MagickFalse)
 646         break;
 647       (void) RelinquishUniqueFileResource(read_info->filename);
 648     }
 649   else
 650     for (i=1; ; i++)
 651     {
 652       (void) InterpretImageFilename(image_info,image,filename,(int) i,
 653         read_info->filename);
 654       if (IsPDFRendered(read_info->filename) == MagickFalse)
 655         break;
 656       next=ReadImage(read_info,exception);
 657       (void) RelinquishUniqueFileResource(read_info->filename);
 658       if (next == (Image *) NULL)
 659         break;
 660       AppendImageToList(&pdf_image,next);
 661     }
 662   read_info=DestroyImageInfo(read_info);
 663   if (pdf_image == (Image *) NULL)
 664     {
 665       ThrowFileException(exception,DelegateError,"PostscriptDelegateFailed",
 666         image_info->filename);
 667       image=DestroyImage(image);
 668       return((Image *) NULL);
 669     }
 670   if (LocaleCompare(pdf_image->magick,"BMP") == 0)
 671     {
 672       Image
 673         *cmyk_image;
 674
 675       cmyk_image=ConsolidateCMYKImages(pdf_image,exception);
 676       if (cmyk_image != (Image *) NULL)
 677         {
 678           pdf_image=DestroyImageList(pdf_image);
 679           pdf_image=cmyk_image;
 680         }
 681     }
 682   if (image_info->number_scenes != 0)
 683     {
 684       Image
 685         *clone_image;
 686
 687       register ssize_t
 688         i;
 689
 690       /*
 691         Add place holder images to meet the subimage specification requirement.
 692       */
 693       for (i=0; i < (ssize_t) image_info->scene; i++)
 694       {
 695         clone_image=CloneImage(pdf_image,1,1,MagickTrue,exception);
 696         if (clone_image != (Image *) NULL)
 697           PrependImageToList(&pdf_image,clone_image);
 698       }
 699     }
 700   do
 701   {
 702     (void) CopyMagickString(pdf_image->filename,filename,MaxTextExtent);
 703     pdf_image->page=page;
 704     (void) CloneImageProfiles(pdf_image,image);
 705     (void) CloneImageProperties(pdf_image,image);
 706     next=SyncNextImageInList(pdf_image);
 707     if (next != (Image *) NULL)
 708       pdf_image=next;
 709   } while (next != (Image *) NULL);
 710   image=DestroyImage(image);
 711   scene=0;
 712   for (next=GetFirstImageInList(pdf_image); next != (Image *) NULL; )
 713   {
 714     next->scene=scene++;
 715     next=GetNextImageInList(next);
 716   }
 717   return(GetFirstImageInList(pdf_image));
 718 }
 719 \f
 720 /*
 721 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 722 %                                                                             %
 723 %                                                                             %
 724 %                                                                             %
 725 %   R e g i s t e r P D F I m a g e                                           %
 726 %                                                                             %
 727 %                                                                             %
 728 %                                                                             %
 729 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 730 %
 731 %  RegisterPDFImage() adds properties for the PDF image format to
 732 %  the list of supported formats.  The properties include the image format
 733 %  tag, a method to read and/or write the format, whether the format
 734 %  supports the saving of more than one frame to the same file or blob,
 735 %  whether the format supports native in-memory I/O, and a brief
 736 %  description of the format.
 737 %
 738 %  The format of the RegisterPDFImage method is:
 739 %
 740 %      size_t RegisterPDFImage(void)
 741 %
 742 */
 743 ModuleExport size_t RegisterPDFImage(void)
 744 {
 745   MagickInfo
 746     *entry;
 747
 748   entry=SetMagickInfo("AI");
 749   entry->decoder=(DecodeImageHandler *) ReadPDFImage;
 750   entry->encoder=(EncodeImageHandler *) WritePDFImage;
 751   entry->adjoin=MagickFalse;
 752   entry->blob_support=MagickFalse;
 753   entry->seekable_stream=MagickTrue;
 754   entry->thread_support=EncoderThreadSupport;
 755   entry->description=ConstantString("Adobe Illustrator CS2");
 756   entry->module=ConstantString("PDF");
 757   (void) RegisterMagickInfo(entry);
 758   entry=SetMagickInfo("EPDF");
 759   entry->decoder=(DecodeImageHandler *) ReadPDFImage;
 760   entry->encoder=(EncodeImageHandler *) WritePDFImage;
 761   entry->adjoin=MagickFalse;
 762   entry->blob_support=MagickFalse;
 763   entry->seekable_stream=MagickTrue;
 764   entry->thread_support=EncoderThreadSupport;
 765   entry->description=ConstantString("Encapsulated Portable Document Format");
 766   entry->module=ConstantString("PDF");
 767   (void) RegisterMagickInfo(entry);
 768   entry=SetMagickInfo("PDF");
 769   entry->decoder=(DecodeImageHandler *) ReadPDFImage;
 770   entry->encoder=(EncodeImageHandler *) WritePDFImage;
 771   entry->magick=(IsImageFormatHandler *) IsPDF;
 772   entry->blob_support=MagickFalse;
 773   entry->seekable_stream=MagickTrue;
 774   entry->thread_support=EncoderThreadSupport;
 775   entry->description=ConstantString("Portable Document Format");
 776   entry->module=ConstantString("PDF");
 777   (void) RegisterMagickInfo(entry);
 778   entry=SetMagickInfo("PDFA");
 779   entry->decoder=(DecodeImageHandler *) ReadPDFImage;
 780   entry->encoder=(EncodeImageHandler *) WritePDFImage;
 781   entry->magick=(IsImageFormatHandler *) IsPDF;
 782   entry->blob_support=MagickFalse;
 783   entry->seekable_stream=MagickTrue;
 784   entry->thread_support=EncoderThreadSupport;
 785   entry->description=ConstantString("Portable Document Archive Format");
 786   entry->module=ConstantString("PDF");
 787   (void) RegisterMagickInfo(entry);
 788   return(MagickImageCoderSignature);
 789 }
 790 \f
 791 /*
 792 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 793 %                                                                             %
 794 %                                                                             %
 795 %                                                                             %
 796 %   U n r e g i s t e r P D F I m a g e                                       %
 797 %                                                                             %
 798 %                                                                             %
 799 %                                                                             %
 800 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 801 %
 802 %  UnregisterPDFImage() removes format registrations made by the
 803 %  PDF module from the list of supported formats.
 804 %
 805 %  The format of the UnregisterPDFImage method is:
 806 %
 807 %      UnregisterPDFImage(void)
 808 %
 809 */
 810 ModuleExport void UnregisterPDFImage(void)
 811 {
 812   (void) UnregisterMagickInfo("AI");
 813   (void) UnregisterMagickInfo("EPDF");
 814   (void) UnregisterMagickInfo("PDF");
 815   (void) UnregisterMagickInfo("PDFA");
 816 }
 817 \f
 818 /*
 819 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 820 %                                                                             %
 821 %                                                                             %
 822 %                                                                             %
 823 %   W r i t e P D F I m a g e                                                 %
 824 %                                                                             %
 825 %                                                                             %
 826 %                                                                             %
 827 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 828 %
 829 %  WritePDFImage() writes an image in the Portable Document image
 830 %  format.
 831 %
 832 %  The format of the WritePDFImage method is:
 833 %
 834 %      MagickBooleanType WritePDFImage(const ImageInfo *image_info,Image *image)
 835 %
 836 %  A description of each parameter follows.
 837 %
 838 %    o image_info: the image info.
 839 %
 840 %    o image:  The image.
 841 %
 842 */
 843
 844 static inline size_t MagickMax(const size_t x,const size_t y)
 845 {
 846   if (x > y)
 847     return(x);
 848   return(y);
 849 }
 850
 851 static inline size_t MagickMin(const size_t x,const size_t y)
 852 {
 853   if (x < y)
 854     return(x);
 855   return(y);
 856 }
 857
 858 static char *EscapeParenthesis(const char *text)
 859 {
 860   register char
 861     *p;
 862
 863   register ssize_t
 864     i;
 865
 866   size_t
 867     escapes;
 868
 869   static char
 870     buffer[MaxTextExtent];
 871
 872   escapes=0;
 873   p=buffer;
 874   for (i=0; i < (ssize_t) MagickMin(strlen(text),(MaxTextExtent-escapes-1)); i++)
 875   {
 876     if ((text[i] == '(') || (text[i] == ')'))
 877       {
 878         *p++='\\';
 879         escapes++;
 880       }
 881     *p++=text[i];
 882   }
 883   *p='\0';
 884   return(buffer);
 885 }
 886
 887 static MagickBooleanType Huffman2DEncodeImage(const ImageInfo *image_info,
 888   Image *image,Image *inject_image)
 889 {
 890   Image
 891     *group4_image;
 892
 893   ImageInfo
 894     *write_info;
 895
 896   MagickBooleanType
 897     status;
 898
 899   size_t
 900     length;
 901
 902   unsigned char
 903     *group4;
 904
 905   status=MagickTrue;
 906   write_info=CloneImageInfo(image_info);
 907   (void) CopyMagickString(write_info->filename,"GROUP4:",MaxTextExtent);
 908   (void) CopyMagickString(write_info->magick,"GROUP4",MaxTextExtent);
 909   group4_image=CloneImage(inject_image,0,0,MagickTrue,&image->exception);
 910   if (group4_image == (Image *) NULL)
 911     return(MagickFalse);
 912   group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
 913     &image->exception);
 914   group4_image=DestroyImage(group4_image);
 915   if (group4 == (unsigned char *) NULL)
 916     return(MagickFalse);
 917   write_info=DestroyImageInfo(write_info);
 918   if (WriteBlob(image,length,group4) != (ssize_t) length)
 919     status=MagickFalse;
 920   group4=(unsigned char *) RelinquishMagickMemory(group4);
 921   return(status);
 922 }
 923
 924 static MagickBooleanType WritePDFImage(const ImageInfo *image_info,Image *image)
 925 {
 926 #define CFormat  "/Filter [ /%s ]\n"
 927 #define ObjectsPerImage  14
 928
 929   static const char
 930     XMPProfile[]=
 931     {
 932       "<?xpacket begin=\"%s\" id=\"W5M0MpCehiHzreSzNTczkc9d\"?>\n"
 933       "<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"
 934       "   <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\">\n"
 935       "      <rdf:Description rdf:about=\"\"\n"
 936       "            xmlns:xap=\"http://ns.adobe.com/xap/1.0/\">\n"
 937       "         <xap:ModifyDate>%s</xap:ModifyDate>\n"
 938       "         <xap:CreateDate>%s</xap:CreateDate>\n"
 939       "         <xap:MetadataDate>%s</xap:MetadataDate>\n"
 940       "         <xap:CreatorTool>%s</xap:CreatorTool>\n"
 941       "      </rdf:Description>\n"
 942       "      <rdf:Description rdf:about=\"\"\n"
 943       "            xmlns:dc=\"http://purl.org/dc/elements/1.1/\">\n"
 944       "         <dc:format>application/pdf</dc:format>\n"
 945       "      </rdf:Description>\n"
 946       "      <rdf:Description rdf:about=\"\"\n"
 947       "            xmlns:xapMM=\"http://ns.adobe.com/xap/1.0/mm/\">\n"
 948       "         <xapMM:DocumentID>uuid:6ec119d7-7982-4f56-808d-dfe64f5b35cf</xapMM:DocumentID>\n"
 949       "         <xapMM:InstanceID>uuid:a79b99b4-6235-447f-9f6c-ec18ef7555cb</xapMM:InstanceID>\n"
 950       "      </rdf:Description>\n"
 951       "      <rdf:Description rdf:about=\"\"\n"
 952       "            xmlns:pdf=\"http://ns.adobe.com/pdf/1.3/\">\n"
 953       "         <pdf:Producer>%s</pdf:Producer>\n"
 954       "      </rdf:Description>\n"
 955       "      <rdf:Description rdf:about=\"\"\n"
 956       "            xmlns:pdfaid=\"http://www.aiim.org/pdfa/ns/id/\">\n"
 957       "         <pdfaid:part>1</pdfaid:part>\n"
 958       "         <pdfaid:conformance>B</pdfaid:conformance>\n"
 959       "      </rdf:Description>\n"
 960       "   </rdf:RDF>\n"
 961       "</x:xmpmeta>\n"
 962       "<?xpacket end=\"w\"?>\n"
 963     },
 964     XMPProfileMagick[4]= { (char) 0xef, (char) 0xbb, (char) 0xbf, (char) 0x00 };
 965
 966   char
 967     basename[MaxTextExtent],
 968     buffer[MaxTextExtent],
 969     date[MaxTextExtent],
 970     **labels,
 971     page_geometry[MaxTextExtent];
 972
 973   CompressionType
 974     compression;
 975
 976   const char
 977     *value;
 978
 979   double
 980     pointsize;
 981
 982   GeometryInfo
 983     geometry_info;
 984
 985   Image
 986     *next,
 987     *tile_image;
 988
 989   MagickBooleanType
 990     status;
 991
 992   MagickOffsetType
 993     offset,
 994     scene,
 995     *xref;
 996
 997   MagickSizeType
 998     number_pixels;
 999
1000   MagickStatusType
1001     flags;
1002
1003   PointInfo
1004     delta,
1005     resolution,
1006     scale;
1007
1008   RectangleInfo
1009     geometry,
1010     media_info,
1011     page_info;
1012
1013   register const Quantum
1014     *p;
1015
1016   register unsigned char
1017     *q;
1018
1019   register ssize_t
1020     i,
1021     x;
1022
1023   size_t
1024     info_id,
1025     length,
1026     object,
1027     pages_id,
1028     root_id,
1029     text_size,
1030     version;
1031
1032   ssize_t
1033     count,
1034     y;
1035
1036   struct tm
1037     local_time;
1038
1039   time_t
1040     seconds;
1041
1042   unsigned char
1043     *pixels;
1044
1045   /*
1046     Open output image file.
1047   */
1048   assert(image_info != (const ImageInfo *) NULL);
1049   assert(image_info->signature == MagickSignature);
1050   assert(image != (Image *) NULL);
1051   assert(image->signature == MagickSignature);
1052   if (image->debug != MagickFalse)
1053     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1054   status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
1055   if (status == MagickFalse)
1056     return(status);
1057   /*
1058     Allocate X ref memory.
1059   */
1060   xref=(MagickOffsetType *) AcquireQuantumMemory(2048UL,sizeof(*xref));
1061   if (xref == (MagickOffsetType *) NULL)
1062     ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1063   (void) ResetMagickMemory(xref,0,2048UL*sizeof(*xref));
1064   /*
1065     Write Info object.
1066   */
1067   object=0;
1068   version=3;
1069   if (image_info->compression == JPEG2000Compression)
1070     version=(size_t) MagickMax(version,5);
1071   for (next=image; next != (Image *) NULL; next=GetNextImageInList(next))
1072     if (next->matte != MagickFalse)
1073       version=(size_t) MagickMax(version,4);
1074   if (LocaleCompare(image_info->magick,"PDFA") == 0)
1075     version=(size_t) MagickMax(version,6);
1076   (void) FormatLocaleString(buffer,MaxTextExtent,"%%PDF-1.%.20g \n",
1077     (double) version);
1078   (void) WriteBlobString(image,buffer);
1079   if (LocaleCompare(image_info->magick,"PDFA") == 0)
1080     (void) WriteBlobString(image,"%âãÏÓ\n");
1081   /*
1082     Write Catalog object.
1083   */
1084   xref[object++]=TellBlob(image);
1085   root_id=object;
1086   (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1087     object);
1088   (void) WriteBlobString(image,buffer);
1089   (void) WriteBlobString(image,"<<\n");
1090   if (LocaleCompare(image_info->magick,"PDFA") != 0)
1091     (void) FormatLocaleString(buffer,MaxTextExtent,"/Pages %.20g 0 R\n",
1092       (double) object+1);
1093   else
1094     {
1095       (void) FormatLocaleString(buffer,MaxTextExtent,"/Metadata %.20g 0 R\n",
1096         (double) object+1);
1097       (void) WriteBlobString(image,buffer);
1098       (void) FormatLocaleString(buffer,MaxTextExtent,"/Pages %.20g 0 R\n",
1099         (double) object+2);
1100     }
1101   (void) WriteBlobString(image,buffer);
1102   (void) WriteBlobString(image,"/Type /Catalog\n");
1103   (void) WriteBlobString(image,">>\n");
1104   (void) WriteBlobString(image,"endobj\n");
1105   if (LocaleCompare(image_info->magick,"PDFA") == 0)
1106     {
1107       char
1108         create_date[MaxTextExtent],
1109         modify_date[MaxTextExtent],
1110         timestamp[MaxTextExtent],
1111         xmp_profile[MaxTextExtent];
1112
1113       size_t
1114         version;
1115
1116       /*
1117         Write XMP object.
1118       */
1119       xref[object++]=TellBlob(image);
1120       (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",
1121         (double) object);
1122       (void) WriteBlobString(image,buffer);
1123       (void) WriteBlobString(image,"<<\n");
1124       (void) WriteBlobString(image,"/Subtype /XML\n");
1125       *modify_date='\0';
1126       value=GetImageProperty(image,"date:modify");
1127       if (value != (const char *) NULL)
1128         (void) CopyMagickString(modify_date,value,MaxTextExtent);
1129       *create_date='\0';
1130       value=GetImageProperty(image,"date:create");
1131       if (value != (const char *) NULL)
1132         (void) CopyMagickString(create_date,value,MaxTextExtent);
1133       (void) FormatMagickTime(time((time_t *) NULL),MaxTextExtent,timestamp);
1134       i=FormatLocaleString(xmp_profile,MaxTextExtent,XMPProfile,
1135         XMPProfileMagick,modify_date,create_date,timestamp,
1136         GetMagickVersion(&version),GetMagickVersion(&version));
1137       (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g\n",
1138         (double) i);
1139       (void) WriteBlobString(image,buffer);
1140       (void) WriteBlobString(image,"/Type /Metadata\n");
1141       (void) WriteBlobString(image,">>\nstream\n");
1142       (void) WriteBlobString(image,xmp_profile);
1143       (void) WriteBlobString(image,"endstream\n");
1144       (void) WriteBlobString(image,"endobj\n");
1145     }
1146   /*
1147     Write Pages object.
1148   */
1149   xref[object++]=TellBlob(image);
1150   pages_id=object;
1151   (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1152     object);
1153   (void) WriteBlobString(image,buffer);
1154   (void) WriteBlobString(image,"<<\n");
1155   (void) WriteBlobString(image,"/Type /Pages\n");
1156   (void) FormatLocaleString(buffer,MaxTextExtent,"/Kids [ %.20g 0 R ",
1157     (double) object+1);
1158   (void) WriteBlobString(image,buffer);
1159   count=(ssize_t) (pages_id+ObjectsPerImage+1);
1160   if (image_info->adjoin != MagickFalse)
1161     {
1162       Image
1163         *kid_image;
1164
1165       /*
1166         Predict page object id's.
1167       */
1168       kid_image=image;
1169       for ( ; GetNextImageInList(kid_image) != (Image *) NULL; count+=ObjectsPerImage)
1170       {
1171         (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 R ",(double)
1172           count);
1173         (void) WriteBlobString(image,buffer);
1174         kid_image=GetNextImageInList(kid_image);
1175       }
1176       xref=(MagickOffsetType *) ResizeQuantumMemory(xref,(size_t) count+2048UL,
1177         sizeof(*xref));
1178       if (xref == (MagickOffsetType *) NULL)
1179         ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1180     }
1181   (void) WriteBlobString(image,"]\n");
1182   (void) FormatLocaleString(buffer,MaxTextExtent,"/Count %.20g\n",
1183     (double) ((count-pages_id)/ObjectsPerImage));
1184   (void) WriteBlobString(image,buffer);
1185   (void) WriteBlobString(image,">>\n");
1186   (void) WriteBlobString(image,"endobj\n");
1187   scene=0;
1188   do
1189   {
1190     compression=image->compression;
1191     if (image_info->compression != UndefinedCompression)
1192       compression=image_info->compression;
1193     switch (compression)
1194     {
1195       case FaxCompression:
1196       case Group4Compression:
1197       {
1198         if ((IsImageMonochrome(image,&image->exception) == MagickFalse) ||
1199             (image->matte != MagickFalse))
1200           compression=RLECompression;
1201         break;
1202       }
1203 #if !defined(MAGICKCORE_JPEG_DELEGATE)
1204       case JPEGCompression:
1205       {
1206         compression=RLECompression;
1207         (void) ThrowMagickException(&image->exception,GetMagickModule(),
1208           MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
1209           image->filename);
1210         break;
1211       }
1212 #endif
1213 #if !defined(MAGICKCORE_JP2_DELEGATE)
1214       case JPEG2000Compression:
1215       {
1216         compression=RLECompression;
1217         (void) ThrowMagickException(&image->exception,GetMagickModule(),
1218           MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JP2)",
1219           image->filename);
1220         break;
1221       }
1222 #endif
1223 #if !defined(MAGICKCORE_ZLIB_DELEGATE)
1224       case ZipCompression:
1225       {
1226         compression=RLECompression;
1227         (void) ThrowMagickException(&image->exception,GetMagickModule(),
1228           MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (ZLIB)",
1229           image->filename);
1230         break;
1231       }
1232 #endif
1233       case LZWCompression:
1234       {
1235         if (LocaleCompare(image_info->magick,"PDFA") == 0)
1236           compression=RLECompression;  /* LZW compression is forbidden */
1237         break;
1238       }
1239       case NoCompression:
1240       {
1241         if (LocaleCompare(image_info->magick,"PDFA") == 0)
1242           compression=RLECompression; /* ASCII 85 compression is forbidden */
1243         break;
1244       }
1245       default:
1246         break;
1247     }
1248     if (compression == JPEG2000Compression)
1249       {
1250         if (IsRGBColorspace(image->colorspace) == MagickFalse)
1251           (void) TransformImageColorspace(image,RGBColorspace);
1252       }
1253     /*
1254       Scale relative to dots-per-inch.
1255     */
1256     delta.x=DefaultResolution;
1257     delta.y=DefaultResolution;
1258     resolution.x=image->x_resolution;
1259     resolution.y=image->y_resolution;
1260     if ((resolution.x == 0.0) || (resolution.y == 0.0))
1261       {
1262         flags=ParseGeometry(PSDensityGeometry,&geometry_info);
1263         resolution.x=geometry_info.rho;
1264         resolution.y=geometry_info.sigma;
1265         if ((flags & SigmaValue) == 0)
1266           resolution.y=resolution.x;
1267       }
1268     if (image_info->density != (char *) NULL)
1269       {
1270         flags=ParseGeometry(image_info->density,&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->units == PixelsPerCentimeterResolution)
1277       {
1278         resolution.x=(double) ((size_t) (100.0*2.54*resolution.x+0.5)/100.0);
1279         resolution.y=(double) ((size_t) (100.0*2.54*resolution.y+0.5)/100.0);
1280       }
1281     SetGeometry(image,&geometry);
1282     (void) FormatLocaleString(page_geometry,MaxTextExtent,"%.20gx%.20g",
1283       (double) image->columns,(double) image->rows);
1284     if (image_info->page != (char *) NULL)
1285       (void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
1286     else
1287       if ((image->page.width != 0) && (image->page.height != 0))
1288         (void) FormatLocaleString(page_geometry,MaxTextExtent,
1289           "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,
1290           (double) image->page.height,(double) image->page.x,(double)
1291           image->page.y);
1292       else
1293         if ((image->gravity != UndefinedGravity) &&
1294             (LocaleCompare(image_info->magick,"PDF") == 0))
1295           (void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
1296     (void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
1297     (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
1298       &geometry.width,&geometry.height);
1299     scale.x=(double) (geometry.width*delta.x)/resolution.x;
1300     geometry.width=(size_t) floor(scale.x+0.5);
1301     scale.y=(double) (geometry.height*delta.y)/resolution.y;
1302     geometry.height=(size_t) floor(scale.y+0.5);
1303     (void) ParseAbsoluteGeometry(page_geometry,&media_info);
1304     (void) ParseGravityGeometry(image,page_geometry,&page_info,
1305       &image->exception);
1306     if (image->gravity != UndefinedGravity)
1307       {
1308         geometry.x=(-page_info.x);
1309         geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
1310       }
1311     pointsize=12.0;
1312     if (image_info->pointsize != 0.0)
1313       pointsize=image_info->pointsize;
1314     text_size=0;
1315     value=GetImageProperty(image,"label");
1316     if (value != (const char *) NULL)
1317       text_size=(size_t) (MultilineCensus(value)*pointsize+12);
1318     (void) text_size;
1319     /*
1320       Write Page object.
1321     */
1322     xref[object++]=TellBlob(image);
1323     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1324       object);
1325     (void) WriteBlobString(image,buffer);
1326     (void) WriteBlobString(image,"<<\n");
1327     (void) WriteBlobString(image,"/Type /Page\n");
1328     (void) FormatLocaleString(buffer,MaxTextExtent,"/Parent %.20g 0 R\n",
1329       (double) pages_id);
1330     (void) WriteBlobString(image,buffer);
1331     (void) WriteBlobString(image,"/Resources <<\n");
1332     labels=(char **) NULL;
1333     value=GetImageProperty(image,"label");
1334     if (value != (const char *) NULL)
1335       labels=StringToList(value);
1336     if (labels != (char **) NULL)
1337       {
1338         (void) FormatLocaleString(buffer,MaxTextExtent,
1339           "/Font << /F%.20g %.20g 0 R >>\n",(double) image->scene,(double)
1340           object+4);
1341         (void) WriteBlobString(image,buffer);
1342       }
1343     (void) FormatLocaleString(buffer,MaxTextExtent,
1344       "/XObject << /Im%.20g %.20g 0 R >>\n",(double) image->scene,(double)
1345       object+5);
1346     (void) WriteBlobString(image,buffer);
1347     (void) FormatLocaleString(buffer,MaxTextExtent,"/ProcSet %.20g 0 R >>\n",
1348       (double) object+3);
1349     (void) WriteBlobString(image,buffer);
1350     (void) FormatLocaleString(buffer,MaxTextExtent,
1351       "/MediaBox [0 0 %g %g]\n",72.0*media_info.width/resolution.x,
1352       72.0*media_info.height/resolution.y);
1353     (void) WriteBlobString(image,buffer);
1354     (void) FormatLocaleString(buffer,MaxTextExtent,
1355       "/CropBox [0 0 %g %g]\n",72.0*media_info.width/resolution.x,
1356       72.0*media_info.height/resolution.y);
1357     (void) WriteBlobString(image,buffer);
1358     (void) FormatLocaleString(buffer,MaxTextExtent,"/Contents %.20g 0 R\n",
1359       (double) object+1);
1360     (void) WriteBlobString(image,buffer);
1361     (void) FormatLocaleString(buffer,MaxTextExtent,"/Thumb %.20g 0 R\n",
1362       (double) object+8);
1363     (void) WriteBlobString(image,buffer);
1364     (void) WriteBlobString(image,">>\n");
1365     (void) WriteBlobString(image,"endobj\n");
1366     /*
1367       Write Contents object.
1368     */
1369     xref[object++]=TellBlob(image);
1370     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1371       object);
1372     (void) WriteBlobString(image,buffer);
1373     (void) WriteBlobString(image,"<<\n");
1374     (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
1375       (double) object+1);
1376     (void) WriteBlobString(image,buffer);
1377     (void) WriteBlobString(image,">>\n");
1378     (void) WriteBlobString(image,"stream\n");
1379     offset=TellBlob(image);
1380     (void) WriteBlobString(image,"q\n");
1381     if (labels != (char **) NULL)
1382       for (i=0; labels[i] != (char *) NULL; i++)
1383       {
1384         (void) WriteBlobString(image,"BT\n");
1385         (void) FormatLocaleString(buffer,MaxTextExtent,"/F%.20g %g Tf\n",
1386           (double) image->scene,pointsize);
1387         (void) WriteBlobString(image,buffer);
1388         (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g Td\n",
1389           (double) geometry.x,(double) (geometry.y+geometry.height+i*pointsize+
1390           12));
1391         (void) WriteBlobString(image,buffer);
1392         (void) FormatLocaleString(buffer,MaxTextExtent,"(%s) Tj\n",labels[i]);
1393         (void) WriteBlobString(image,buffer);
1394         (void) WriteBlobString(image,"ET\n");
1395         labels[i]=DestroyString(labels[i]);
1396       }
1397     (void) FormatLocaleString(buffer,MaxTextExtent,"%g 0 0 %g %.20g %.20g cm\n",
1398       scale.x,scale.y,(double) geometry.x,(double) geometry.y);
1399     (void) WriteBlobString(image,buffer);
1400     (void) FormatLocaleString(buffer,MaxTextExtent,"/Im%.20g Do\n",
1401       (double) image->scene);
1402     (void) WriteBlobString(image,buffer);
1403     (void) WriteBlobString(image,"Q\n");
1404     offset=TellBlob(image)-offset;
1405     (void) WriteBlobString(image,"endstream\n");
1406     (void) WriteBlobString(image,"endobj\n");
1407     /*
1408       Write Length object.
1409     */
1410     xref[object++]=TellBlob(image);
1411     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1412       object);
1413     (void) WriteBlobString(image,buffer);
1414     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double) offset);
1415     (void) WriteBlobString(image,buffer);
1416     (void) WriteBlobString(image,"endobj\n");
1417     /*
1418       Write Procset object.
1419     */
1420     xref[object++]=TellBlob(image);
1421     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",
1422       (double) object);
1423     (void) WriteBlobString(image,buffer);
1424     if ((image->storage_class == DirectClass) || (image->colors > 256))
1425       (void) CopyMagickString(buffer,"[ /PDF /Text /ImageC",MaxTextExtent);
1426     else
1427       if ((compression == FaxCompression) || (compression == Group4Compression))
1428         (void) CopyMagickString(buffer,"[ /PDF /Text /ImageB",MaxTextExtent);
1429       else
1430         (void) CopyMagickString(buffer,"[ /PDF /Text /ImageI",MaxTextExtent);
1431     (void) WriteBlobString(image,buffer);
1432     (void) WriteBlobString(image," ]\n");
1433     (void) WriteBlobString(image,"endobj\n");
1434     /*
1435       Write Font object.
1436     */
1437     xref[object++]=TellBlob(image);
1438     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",
1439       (double) object);
1440     (void) WriteBlobString(image,buffer);
1441     (void) WriteBlobString(image,"<<\n");
1442     if (labels != (char **) NULL)
1443       {
1444         (void) WriteBlobString(image,"/Type /Font\n");
1445         (void) WriteBlobString(image,"/Subtype /Type1\n");
1446         (void) FormatLocaleString(buffer,MaxTextExtent,"/Name /F%.20g\n",
1447           (double) image->scene);
1448         (void) WriteBlobString(image,buffer);
1449         (void) WriteBlobString(image,"/BaseFont /Helvetica\n");
1450         (void) WriteBlobString(image,"/Encoding /MacRomanEncoding\n");
1451         labels=(char **) RelinquishMagickMemory(labels);
1452       }
1453     (void) WriteBlobString(image,">>\n");
1454     (void) WriteBlobString(image,"endobj\n");
1455     /*
1456       Write XObject object.
1457     */
1458     xref[object++]=TellBlob(image);
1459     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1460       object);
1461     (void) WriteBlobString(image,buffer);
1462     (void) WriteBlobString(image,"<<\n");
1463     (void) WriteBlobString(image,"/Type /XObject\n");
1464     (void) WriteBlobString(image,"/Subtype /Image\n");
1465     (void) FormatLocaleString(buffer,MaxTextExtent,"/Name /Im%.20g\n",
1466       (double) image->scene);
1467     (void) WriteBlobString(image,buffer);
1468     switch (compression)
1469     {
1470       case NoCompression:
1471       {
1472         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"ASCII85Decode");
1473         break;
1474       }
1475       case JPEGCompression:
1476       {
1477         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"DCTDecode");
1478         if (image->colorspace != CMYKColorspace)
1479           break;
1480         (void) WriteBlobString(image,buffer);
1481         (void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
1482           MaxTextExtent);
1483         break;
1484       }
1485       case JPEG2000Compression:
1486       {
1487         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"JPXDecode");
1488         if (image->colorspace != CMYKColorspace)
1489           break;
1490         (void) WriteBlobString(image,buffer);
1491         (void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
1492           MaxTextExtent);
1493         break;
1494       }
1495       case LZWCompression:
1496       {
1497         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"LZWDecode");
1498         break;
1499       }
1500       case ZipCompression:
1501       {
1502         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"FlateDecode");
1503         break;
1504       }
1505       case FaxCompression:
1506       case Group4Compression:
1507       {
1508         (void) CopyMagickString(buffer,"/Filter [ /CCITTFaxDecode ]\n",
1509           MaxTextExtent);
1510         (void) WriteBlobString(image,buffer);
1511         (void) FormatLocaleString(buffer,MaxTextExtent,"/DecodeParms [ << "
1512           "/K %s /BlackIs1 false /Columns %.20g /Rows %.20g >> ]\n",CCITTParam,
1513           (double) image->columns,(double) image->rows);
1514         break;
1515       }
1516       default:
1517       {
1518         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
1519           "RunLengthDecode");
1520         break;
1521       }
1522     }
1523     (void) WriteBlobString(image,buffer);
1524     (void) FormatLocaleString(buffer,MaxTextExtent,"/Width %.20g\n",(double)
1525       image->columns);
1526     (void) WriteBlobString(image,buffer);
1527     (void) FormatLocaleString(buffer,MaxTextExtent,"/Height %.20g\n",(double)
1528       image->rows);
1529     (void) WriteBlobString(image,buffer);
1530     (void) FormatLocaleString(buffer,MaxTextExtent,"/ColorSpace %.20g 0 R\n",
1531       (double) object+2);
1532     (void) WriteBlobString(image,buffer);
1533     (void) FormatLocaleString(buffer,MaxTextExtent,"/BitsPerComponent %d\n",
1534       (compression == FaxCompression) || (compression == Group4Compression) ?
1535       1 : 8);
1536     (void) WriteBlobString(image,buffer);
1537     if (image->matte != MagickFalse)
1538       {
1539         (void) FormatLocaleString(buffer,MaxTextExtent,"/SMask %.20g 0 R\n",
1540           (double) object+7);
1541         (void) WriteBlobString(image,buffer);
1542       }
1543     (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
1544       (double) object+1);
1545     (void) WriteBlobString(image,buffer);
1546     (void) WriteBlobString(image,">>\n");
1547     (void) WriteBlobString(image,"stream\n");
1548     offset=TellBlob(image);
1549     number_pixels=(MagickSizeType) image->columns*image->rows;
1550     if ((4*number_pixels) != (MagickSizeType) ((size_t) (4*number_pixels)))
1551       ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1552     if ((compression == FaxCompression) || (compression == Group4Compression) ||
1553         ((image_info->type != TrueColorType) &&
1554          (IsImageGray(image,&image->exception) != MagickFalse)))
1555       {
1556         switch (compression)
1557         {
1558           case FaxCompression:
1559           case Group4Compression:
1560           {
1561             if (LocaleCompare(CCITTParam,"0") == 0)
1562               {
1563                 (void) HuffmanEncodeImage(image_info,image,image);
1564                 break;
1565               }
1566             (void) Huffman2DEncodeImage(image_info,image,image);
1567             break;
1568           }
1569           case JPEGCompression:
1570           {
1571             status=InjectImageBlob(image_info,image,image,"jpeg",
1572               &image->exception);
1573             if (status == MagickFalse)
1574               ThrowWriterException(CoderError,image->exception.reason);
1575             break;
1576           }
1577           case JPEG2000Compression:
1578           {
1579             status=InjectImageBlob(image_info,image,image,"jp2",
1580               &image->exception);
1581             if (status == MagickFalse)
1582               ThrowWriterException(CoderError,image->exception.reason);
1583             break;
1584           }
1585           case RLECompression:
1586           default:
1587           {
1588             /*
1589               Allocate pixel array.
1590             */
1591             length=(size_t) number_pixels;
1592             pixels=(unsigned char *) AcquireQuantumMemory(length,
1593               sizeof(*pixels));
1594             if (pixels == (unsigned char *) NULL)
1595               ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1596             /*
1597               Dump Runlength encoded pixels.
1598             */
1599             q=pixels;
1600             for (y=0; y < (ssize_t) image->rows; y++)
1601             {
1602               p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
1603               if (p == (const Quantum *) NULL)
1604                 break;
1605               for (x=0; x < (ssize_t) image->columns; x++)
1606               {
1607                 *q++=ScaleQuantumToChar(GetPixelIntensity(image,p));
1608                 p+=GetPixelChannels(image);
1609               }
1610               if (image->previous == (Image *) NULL)
1611                 {
1612                   status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1613                     y,image->rows);
1614                   if (status == MagickFalse)
1615                     break;
1616                 }
1617             }
1618 #if defined(MAGICKCORE_ZLIB_DELEGATE)
1619             if (compression == ZipCompression)
1620               status=ZLIBEncodeImage(image,length,pixels);
1621             else
1622 #endif
1623               if (compression == LZWCompression)
1624                 status=LZWEncodeImage(image,length,pixels);
1625               else
1626                 status=PackbitsEncodeImage(image,length,pixels);
1627             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1628             if (status == MagickFalse)
1629               {
1630                 (void) CloseBlob(image);
1631                 return(MagickFalse);
1632               }
1633             break;
1634           }
1635           case NoCompression:
1636           {
1637             /*
1638               Dump uncompressed PseudoColor packets.
1639             */
1640             Ascii85Initialize(image);
1641             for (y=0; y < (ssize_t) image->rows; y++)
1642             {
1643               p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
1644               if (p == (const Quantum *) NULL)
1645                 break;
1646               for (x=0; x < (ssize_t) image->columns; x++)
1647               {
1648                 Ascii85Encode(image,ScaleQuantumToChar(
1649                   GetPixelIntensity(image,p)));
1650                 p+=GetPixelChannels(image);
1651               }
1652               if (image->previous == (Image *) NULL)
1653                 {
1654                   status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1655                     y,image->rows);
1656                   if (status == MagickFalse)
1657                     break;
1658                 }
1659             }
1660             Ascii85Flush(image);
1661             break;
1662           }
1663         }
1664       }
1665     else
1666       if ((image->storage_class == DirectClass) || (image->colors > 256) ||
1667           (compression == JPEGCompression) ||
1668           (compression == JPEG2000Compression))
1669         switch (compression)
1670         {
1671           case JPEGCompression:
1672           {
1673             status=InjectImageBlob(image_info,image,image,"jpeg",
1674               &image->exception);
1675             if (status == MagickFalse)
1676               ThrowWriterException(CoderError,image->exception.reason);
1677             break;
1678           }
1679           case JPEG2000Compression:
1680           {
1681             status=InjectImageBlob(image_info,image,image,"jp2",
1682               &image->exception);
1683             if (status == MagickFalse)
1684               ThrowWriterException(CoderError,image->exception.reason);
1685             break;
1686           }
1687           case RLECompression:
1688           default:
1689           {
1690             /*
1691               Allocate pixel array.
1692             */
1693             length=(size_t) number_pixels;
1694             pixels=(unsigned char *) AcquireQuantumMemory(length,
1695               4*sizeof(*pixels));
1696             length*=image->colorspace == CMYKColorspace ? 4UL : 3UL;
1697             if (pixels == (unsigned char *) NULL)
1698               ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1699             /*
1700               Dump runoffset encoded pixels.
1701             */
1702             q=pixels;
1703             for (y=0; y < (ssize_t) image->rows; y++)
1704             {
1705               p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
1706               if (p == (const Quantum *) NULL)
1707                 break;
1708               for (x=0; x < (ssize_t) image->columns; x++)
1709               {
1710                 *q++=ScaleQuantumToChar(GetPixelRed(image,p));
1711                 *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
1712                 *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
1713                 if (image->colorspace == CMYKColorspace)
1714                   *q++=ScaleQuantumToChar(GetPixelBlack(image,p));
1715                 p+=GetPixelChannels(image);
1716               }
1717               if (image->previous == (Image *) NULL)
1718                 {
1719                   status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1720                     y,image->rows);
1721                   if (status == MagickFalse)
1722                     break;
1723                 }
1724             }
1725 #if defined(MAGICKCORE_ZLIB_DELEGATE)
1726             if (compression == ZipCompression)
1727               status=ZLIBEncodeImage(image,length,pixels);
1728             else
1729 #endif
1730               if (compression == LZWCompression)
1731                 status=LZWEncodeImage(image,length,pixels);
1732               else
1733                 status=PackbitsEncodeImage(image,length,pixels);
1734             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1735             if (status == MagickFalse)
1736               {
1737                 (void) CloseBlob(image);
1738                 return(MagickFalse);
1739               }
1740             break;
1741           }
1742           case NoCompression:
1743           {
1744             /*
1745               Dump uncompressed DirectColor packets.
1746             */
1747             Ascii85Initialize(image);
1748             for (y=0; y < (ssize_t) image->rows; y++)
1749             {
1750               p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
1751               if (p == (const Quantum *) NULL)
1752                 break;
1753               for (x=0; x < (ssize_t) image->columns; x++)
1754               {
1755                 Ascii85Encode(image,ScaleQuantumToChar(GetPixelRed(image,p)));
1756                 Ascii85Encode(image,ScaleQuantumToChar(GetPixelGreen(image,p)));
1757                 Ascii85Encode(image,ScaleQuantumToChar(GetPixelBlue(image,p)));
1758                 if (image->colorspace == CMYKColorspace)
1759                   Ascii85Encode(image,ScaleQuantumToChar(
1760                     GetPixelBlack(image,p)));
1761                 p+=GetPixelChannels(image);
1762               }
1763               if (image->previous == (Image *) NULL)
1764                 {
1765                   status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1766                     y,image->rows);
1767                   if (status == MagickFalse)
1768                     break;
1769                 }
1770             }
1771             Ascii85Flush(image);
1772             break;
1773           }
1774         }
1775       else
1776         {
1777           /*
1778             Dump number of colors and colormap.
1779           */
1780           switch (compression)
1781           {
1782             case RLECompression:
1783             default:
1784             {
1785               /*
1786                 Allocate pixel array.
1787               */
1788               length=(size_t) number_pixels;
1789               pixels=(unsigned char *) AcquireQuantumMemory(length,
1790                 sizeof(*pixels));
1791               if (pixels == (unsigned char *) NULL)
1792                 ThrowWriterException(ResourceLimitError,
1793                   "MemoryAllocationFailed");
1794               /*
1795                 Dump Runlength encoded pixels.
1796               */
1797               q=pixels;
1798               for (y=0; y < (ssize_t) image->rows; y++)
1799               {
1800                 p=GetVirtualPixels(image,0,y,image->columns,1,
1801                   &image->exception);
1802                 if (p == (const Quantum *) NULL)
1803                   break;
1804                 for (x=0; x < (ssize_t) image->columns; x++)
1805                 {
1806                   *q++=(unsigned char) GetPixelIndex(image,p);
1807                   p+=GetPixelChannels(image);
1808                 }
1809                 if (image->previous == (Image *) NULL)
1810                   {
1811                     status=SetImageProgress(image,SaveImageTag,
1812                       (MagickOffsetType) y,image->rows);
1813                     if (status == MagickFalse)
1814                       break;
1815                   }
1816               }
1817 #if defined(MAGICKCORE_ZLIB_DELEGATE)
1818               if (compression == ZipCompression)
1819                 status=ZLIBEncodeImage(image,length,pixels);
1820               else
1821 #endif
1822                 if (compression == LZWCompression)
1823                   status=LZWEncodeImage(image,length,pixels);
1824                 else
1825                   status=PackbitsEncodeImage(image,length,pixels);
1826               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1827               if (status == MagickFalse)
1828                 {
1829                   (void) CloseBlob(image);
1830                   return(MagickFalse);
1831                 }
1832               break;
1833             }
1834             case NoCompression:
1835             {
1836               /*
1837                 Dump uncompressed PseudoColor packets.
1838               */
1839               Ascii85Initialize(image);
1840               for (y=0; y < (ssize_t) image->rows; y++)
1841               {
1842                 p=GetVirtualPixels(image,0,y,image->columns,1,
1843                   &image->exception);
1844                 if (p == (const Quantum *) NULL)
1845                   break;
1846                 for (x=0; x < (ssize_t) image->columns; x++)
1847                 {
1848                   Ascii85Encode(image,(unsigned char) GetPixelIndex(image,p));
1849                   p+=GetPixelChannels(image);
1850                 }
1851                 if (image->previous == (Image *) NULL)
1852                   {
1853                     status=SetImageProgress(image,SaveImageTag,
1854                       (MagickOffsetType) y,image->rows);
1855                     if (status == MagickFalse)
1856                       break;
1857                   }
1858               }
1859               Ascii85Flush(image);
1860               break;
1861             }
1862           }
1863         }
1864     offset=TellBlob(image)-offset;
1865     (void) WriteBlobString(image,"\nendstream\n");
1866     (void) WriteBlobString(image,"endobj\n");
1867     /*
1868       Write Length object.
1869     */
1870     xref[object++]=TellBlob(image);
1871     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1872       object);
1873     (void) WriteBlobString(image,buffer);
1874     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",
1875       (double) offset);
1876     (void) WriteBlobString(image,buffer);
1877     (void) WriteBlobString(image,"endobj\n");
1878     /*
1879       Write Colorspace object.
1880     */
1881     xref[object++]=TellBlob(image);
1882     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1883       object);
1884     (void) WriteBlobString(image,buffer);
1885     if (image->colorspace == CMYKColorspace)
1886       (void) CopyMagickString(buffer,"/DeviceCMYK\n",MaxTextExtent);
1887     else
1888       if ((compression == FaxCompression) ||
1889           (compression == Group4Compression) ||
1890           ((image_info->type != TrueColorType) &&
1891            (IsImageGray(image,&image->exception) != MagickFalse)))
1892           (void) CopyMagickString(buffer,"/DeviceGray\n",MaxTextExtent);
1893       else
1894         if ((image->storage_class == DirectClass) || (image->colors > 256) ||
1895             (compression == JPEGCompression) ||
1896             (compression == JPEG2000Compression))
1897           (void) CopyMagickString(buffer,"/DeviceRGB\n",MaxTextExtent);
1898         else
1899           (void) FormatLocaleString(buffer,MaxTextExtent,
1900             "[ /Indexed /DeviceRGB %.20g %.20g 0 R ]\n",(double) image->colors-
1901             1,(double) object+3);
1902     (void) WriteBlobString(image,buffer);
1903     (void) WriteBlobString(image,"endobj\n");
1904     /*
1905       Write Thumb object.
1906     */
1907     SetGeometry(image,&geometry);
1908     (void) ParseMetaGeometry("106x106+0+0>",&geometry.x,&geometry.y,
1909       &geometry.width,&geometry.height);
1910     tile_image=ThumbnailImage(image,geometry.width,geometry.height,
1911       &image->exception);
1912     if (tile_image == (Image *) NULL)
1913       ThrowWriterException(ResourceLimitError,image->exception.reason);
1914     xref[object++]=TellBlob(image);
1915     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1916       object);
1917     (void) WriteBlobString(image,buffer);
1918     (void) WriteBlobString(image,"<<\n");
1919     switch (compression)
1920     {
1921       case NoCompression:
1922       {
1923         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"ASCII85Decode");
1924         break;
1925       }
1926       case JPEGCompression:
1927       {
1928         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"DCTDecode");
1929         if (image->colorspace != CMYKColorspace)
1930           break;
1931         (void) WriteBlobString(image,buffer);
1932         (void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
1933           MaxTextExtent);
1934         break;
1935       }
1936       case JPEG2000Compression:
1937       {
1938         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"JPXDecode");
1939         if (image->colorspace != CMYKColorspace)
1940           break;
1941         (void) WriteBlobString(image,buffer);
1942         (void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
1943           MaxTextExtent);
1944         break;
1945       }
1946       case LZWCompression:
1947       {
1948         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"LZWDecode");
1949         break;
1950       }
1951       case ZipCompression:
1952       {
1953         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"FlateDecode");
1954         break;
1955       }
1956       case FaxCompression:
1957       case Group4Compression:
1958       {
1959         (void) CopyMagickString(buffer,"/Filter [ /CCITTFaxDecode ]\n",
1960           MaxTextExtent);
1961         (void) WriteBlobString(image,buffer);
1962         (void) FormatLocaleString(buffer,MaxTextExtent,"/DecodeParms [ << "
1963           "/K %s /BlackIs1 false /Columns %.20g /Rows %.20g >> ]\n",CCITTParam,
1964           (double) tile_image->columns,(double) tile_image->rows);
1965         break;
1966       }
1967       default:
1968       {
1969         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
1970           "RunLengthDecode");
1971         break;
1972       }
1973     }
1974     (void) WriteBlobString(image,buffer);
1975     (void) FormatLocaleString(buffer,MaxTextExtent,"/Width %.20g\n",(double)
1976       tile_image->columns);
1977     (void) WriteBlobString(image,buffer);
1978     (void) FormatLocaleString(buffer,MaxTextExtent,"/Height %.20g\n",(double)
1979       tile_image->rows);
1980     (void) WriteBlobString(image,buffer);
1981     (void) FormatLocaleString(buffer,MaxTextExtent,"/ColorSpace %.20g 0 R\n",
1982       (double) object-1);
1983     (void) WriteBlobString(image,buffer);
1984     (void) FormatLocaleString(buffer,MaxTextExtent,"/BitsPerComponent %d\n",
1985       (compression == FaxCompression) || (compression == Group4Compression) ?
1986       1 : 8);
1987     (void) WriteBlobString(image,buffer);
1988     (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
1989       (double) object+1);
1990     (void) WriteBlobString(image,buffer);
1991     (void) WriteBlobString(image,">>\n");
1992     (void) WriteBlobString(image,"stream\n");
1993     offset=TellBlob(image);
1994     number_pixels=(MagickSizeType) tile_image->columns*tile_image->rows;
1995     if ((compression == FaxCompression) ||
1996         (compression == Group4Compression) ||
1997         ((image_info->type != TrueColorType) &&
1998          (IsImageGray(tile_image,&image->exception) != MagickFalse)))
1999       {
2000         switch (compression)
2001         {
2002           case FaxCompression:
2003           case Group4Compression:
2004           {
2005             if (LocaleCompare(CCITTParam,"0") == 0)
2006               {
2007                 (void) HuffmanEncodeImage(image_info,image,tile_image);
2008                 break;
2009               }
2010             (void) Huffman2DEncodeImage(image_info,image,tile_image);
2011             break;
2012           }
2013           case JPEGCompression:
2014           {
2015             status=InjectImageBlob(image_info,image,tile_image,"jpeg",
2016               &image->exception);
2017             if (status == MagickFalse)
2018               ThrowWriterException(CoderError,tile_image->exception.reason);
2019             break;
2020           }
2021           case JPEG2000Compression:
2022           {
2023             status=InjectImageBlob(image_info,image,tile_image,"jp2",
2024               &image->exception);
2025             if (status == MagickFalse)
2026               ThrowWriterException(CoderError,tile_image->exception.reason);
2027             break;
2028           }
2029           case RLECompression:
2030           default:
2031           {
2032             /*
2033               Allocate pixel array.
2034             */
2035             length=(size_t) number_pixels;
2036             pixels=(unsigned char *) AcquireQuantumMemory(length,
2037               sizeof(*pixels));
2038             if (pixels == (unsigned char *) NULL)
2039               {
2040                 tile_image=DestroyImage(tile_image);
2041                 ThrowWriterException(ResourceLimitError,
2042                   "MemoryAllocationFailed");
2043               }
2044             /*
2045               Dump Runlength encoded pixels.
2046             */
2047             q=pixels;
2048             for (y=0; y < (ssize_t) tile_image->rows; y++)
2049             {
2050               p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2051                 &tile_image->exception);
2052               if (p == (const Quantum *) NULL)
2053                 break;
2054               for (x=0; x < (ssize_t) tile_image->columns; x++)
2055               {
2056                 *q++=ScaleQuantumToChar(GetPixelIntensity(tile_image,p));
2057                 p+=GetPixelChannels(tile_image);
2058               }
2059             }
2060 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2061             if (compression == ZipCompression)
2062               status=ZLIBEncodeImage(image,length,pixels);
2063             else
2064 #endif
2065               if (compression == LZWCompression)
2066                 status=LZWEncodeImage(image,length,pixels);
2067               else
2068                 status=PackbitsEncodeImage(image,length,pixels);
2069             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2070             if (status == MagickFalse)
2071               {
2072                 (void) CloseBlob(image);
2073                 return(MagickFalse);
2074               }
2075             break;
2076           }
2077           case NoCompression:
2078           {
2079             /*
2080               Dump uncompressed PseudoColor packets.
2081             */
2082             Ascii85Initialize(image);
2083             for (y=0; y < (ssize_t) tile_image->rows; y++)
2084             {
2085               p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2086                 &tile_image->exception);
2087               if (p == (const Quantum *) NULL)
2088                 break;
2089               for (x=0; x < (ssize_t) tile_image->columns; x++)
2090               {
2091                 Ascii85Encode(image,
2092                   ScaleQuantumToChar(GetPixelIntensity(tile_image,p)));
2093                 p+=GetPixelChannels(tile_image);
2094               }
2095             }
2096             Ascii85Flush(image);
2097             break;
2098           }
2099         }
2100       }
2101     else
2102       if ((tile_image->storage_class == DirectClass) ||
2103           (tile_image->colors > 256) || (compression == JPEGCompression) ||
2104           (compression == JPEG2000Compression))
2105         switch (compression)
2106         {
2107           case JPEGCompression:
2108           {
2109             status=InjectImageBlob(image_info,image,tile_image,"jpeg",
2110               &image->exception);
2111             if (status == MagickFalse)
2112               ThrowWriterException(CoderError,tile_image->exception.reason);
2113             break;
2114           }
2115           case JPEG2000Compression:
2116           {
2117             status=InjectImageBlob(image_info,image,tile_image,"jp2",
2118               &image->exception);
2119             if (status == MagickFalse)
2120               ThrowWriterException(CoderError,tile_image->exception.reason);
2121             break;
2122           }
2123           case RLECompression:
2124           default:
2125           {
2126             /*
2127               Allocate pixel array.
2128             */
2129             length=(size_t) number_pixels;
2130             pixels=(unsigned char *) AcquireQuantumMemory(length,4*
2131               sizeof(*pixels));
2132             length*=tile_image->colorspace == CMYKColorspace ? 4UL : 3UL;
2133             if (pixels == (unsigned char *) NULL)
2134               {
2135                 tile_image=DestroyImage(tile_image);
2136                 ThrowWriterException(ResourceLimitError,
2137                   "MemoryAllocationFailed");
2138               }
2139             /*
2140               Dump runoffset encoded pixels.
2141             */
2142             q=pixels;
2143             for (y=0; y < (ssize_t) tile_image->rows; y++)
2144             {
2145               p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2146                 &tile_image->exception);
2147               if (p == (const Quantum *) NULL)
2148                 break;
2149               for (x=0; x < (ssize_t) tile_image->columns; x++)
2150               {
2151                 *q++=ScaleQuantumToChar(GetPixelRed(tile_image,p));
2152                 *q++=ScaleQuantumToChar(GetPixelGreen(tile_image,p));
2153                 *q++=ScaleQuantumToChar(GetPixelBlue(tile_image,p));
2154                 if (image->colorspace == CMYKColorspace)
2155                   *q++=ScaleQuantumToChar(GetPixelBlack(tile_image,p));
2156                 p+=GetPixelChannels(tile_image);
2157               }
2158             }
2159 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2160             if (compression == ZipCompression)
2161               status=ZLIBEncodeImage(image,length,pixels);
2162             else
2163 #endif
2164               if (compression == LZWCompression)
2165                 status=LZWEncodeImage(image,length,pixels);
2166               else
2167                 status=PackbitsEncodeImage(image,length,pixels);
2168             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2169             if (status == MagickFalse)
2170               {
2171                 (void) CloseBlob(image);
2172                 return(MagickFalse);
2173               }
2174             break;
2175           }
2176           case NoCompression:
2177           {
2178             /*
2179               Dump uncompressed DirectColor packets.
2180             */
2181             Ascii85Initialize(image);
2182             for (y=0; y < (ssize_t) tile_image->rows; y++)
2183             {
2184               p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2185                 &tile_image->exception);
2186               if (p == (const Quantum *) NULL)
2187                 break;
2188               for (x=0; x < (ssize_t) tile_image->columns; x++)
2189               {
2190                 Ascii85Encode(image,ScaleQuantumToChar(
2191                   GetPixelRed(tile_image,p)));
2192                 Ascii85Encode(image,ScaleQuantumToChar(
2193                   GetPixelGreen(tile_image,p)));
2194                 Ascii85Encode(image,ScaleQuantumToChar(
2195                   GetPixelBlue(tile_image,p)));
2196                 if (image->colorspace == CMYKColorspace)
2197                   Ascii85Encode(image,ScaleQuantumToChar(
2198                     GetPixelBlack(tile_image,p)));
2199                 p+=GetPixelChannels(tile_image);
2200               }
2201             }
2202             Ascii85Flush(image);
2203             break;
2204           }
2205         }
2206       else
2207         {
2208           /*
2209             Dump number of colors and colormap.
2210           */
2211           switch (compression)
2212           {
2213             case RLECompression:
2214             default:
2215             {
2216               /*
2217                 Allocate pixel array.
2218               */
2219               length=(size_t) number_pixels;
2220               pixels=(unsigned char *) AcquireQuantumMemory(length,
2221                 sizeof(*pixels));
2222               if (pixels == (unsigned char *) NULL)
2223                 {
2224                   tile_image=DestroyImage(tile_image);
2225                   ThrowWriterException(ResourceLimitError,
2226                     "MemoryAllocationFailed");
2227                 }
2228               /*
2229                 Dump Runlength encoded pixels.
2230               */
2231               q=pixels;
2232               for (y=0; y < (ssize_t) tile_image->rows; y++)
2233               {
2234                 p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2235                   &tile_image->exception);
2236                 if (p == (const Quantum *) NULL)
2237                   break;
2238                 for (x=0; x < (ssize_t) tile_image->columns; x++)
2239                 {
2240                   *q++=(unsigned char) GetPixelIndex(tile_image,p);
2241                   q+=GetPixelChannels(image);
2242                 }
2243               }
2244 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2245               if (compression == ZipCompression)
2246                 status=ZLIBEncodeImage(image,length,pixels);
2247               else
2248 #endif
2249                 if (compression == LZWCompression)
2250                   status=LZWEncodeImage(image,length,pixels);
2251                 else
2252                   status=PackbitsEncodeImage(image,length,pixels);
2253               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2254               if (status == MagickFalse)
2255                 {
2256                   (void) CloseBlob(image);
2257                   return(MagickFalse);
2258                 }
2259               break;
2260             }
2261             case NoCompression:
2262             {
2263               /*
2264                 Dump uncompressed PseudoColor packets.
2265               */
2266               Ascii85Initialize(image);
2267               for (y=0; y < (ssize_t) tile_image->rows; y++)
2268               {
2269                 p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2270                   &tile_image->exception);
2271                 if (p == (const Quantum *) NULL)
2272                   break;
2273                 for (x=0; x < (ssize_t) tile_image->columns; x++)
2274                 {
2275                   Ascii85Encode(image,(unsigned char)
2276                     GetPixelIndex(tile_image,p));
2277                   p+=GetPixelChannels(image);
2278                 }
2279               }
2280               Ascii85Flush(image);
2281               break;
2282             }
2283           }
2284         }
2285     tile_image=DestroyImage(tile_image);
2286     offset=TellBlob(image)-offset;
2287     (void) WriteBlobString(image,"\nendstream\n");
2288     (void) WriteBlobString(image,"endobj\n");
2289     /*
2290       Write Length object.
2291     */
2292     xref[object++]=TellBlob(image);
2293     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2294       object);
2295     (void) WriteBlobString(image,buffer);
2296     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double) offset);
2297     (void) WriteBlobString(image,buffer);
2298     (void) WriteBlobString(image,"endobj\n");
2299     xref[object++]=TellBlob(image);
2300     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2301       object);
2302     (void) WriteBlobString(image,buffer);
2303     if ((image->storage_class != DirectClass) && (image->colors <= 256) &&
2304         (compression != FaxCompression) && (compression != Group4Compression))
2305       {
2306         /*
2307           Write Colormap object.
2308         */
2309         (void) WriteBlobString(image,"<<\n");
2310         if (compression == NoCompression)
2311           (void) WriteBlobString(image,"/Filter [ /ASCII85Decode ]\n");
2312         (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
2313           (double) object+1);
2314         (void) WriteBlobString(image,buffer);
2315         (void) WriteBlobString(image,">>\n");
2316         (void) WriteBlobString(image,"stream\n");
2317         offset=TellBlob(image);
2318         if (compression == NoCompression)
2319           Ascii85Initialize(image);
2320         for (i=0; i < (ssize_t) image->colors; i++)
2321         {
2322           if (compression == NoCompression)
2323             {
2324               Ascii85Encode(image,ScaleQuantumToChar(image->colormap[i].red));
2325               Ascii85Encode(image,ScaleQuantumToChar(image->colormap[i].green));
2326               Ascii85Encode(image,ScaleQuantumToChar(image->colormap[i].blue));
2327               continue;
2328             }
2329           (void) WriteBlobByte(image,
2330             ScaleQuantumToChar(image->colormap[i].red));
2331           (void) WriteBlobByte(image,
2332             ScaleQuantumToChar(image->colormap[i].green));
2333           (void) WriteBlobByte(image,
2334             ScaleQuantumToChar(image->colormap[i].blue));
2335         }
2336         if (compression == NoCompression)
2337           Ascii85Flush(image);
2338        offset=TellBlob(image)-offset;
2339        (void) WriteBlobString(image,"\nendstream\n");
2340       }
2341     (void) WriteBlobString(image,"endobj\n");
2342     /*
2343       Write Length object.
2344     */
2345     xref[object++]=TellBlob(image);
2346     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2347       object);
2348     (void) WriteBlobString(image,buffer);
2349     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double)
2350       offset);
2351     (void) WriteBlobString(image,buffer);
2352     (void) WriteBlobString(image,"endobj\n");
2353     /*
2354       Write softmask object.
2355     */
2356     xref[object++]=TellBlob(image);
2357     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2358       object);
2359     (void) WriteBlobString(image,buffer);
2360     (void) WriteBlobString(image,"<<\n");
2361     if (image->matte == MagickFalse)
2362       (void) WriteBlobString(image,">>\n");
2363     else
2364       {
2365         (void) WriteBlobString(image,"/Type /XObject\n");
2366         (void) WriteBlobString(image,"/Subtype /Image\n");
2367         (void) FormatLocaleString(buffer,MaxTextExtent,"/Name /Ma%.20g\n",
2368           (double) image->scene);
2369         (void) WriteBlobString(image,buffer);
2370         switch (compression)
2371         {
2372           case NoCompression:
2373           {
2374             (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
2375               "ASCII85Decode");
2376             break;
2377           }
2378           case LZWCompression:
2379           {
2380             (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"LZWDecode");
2381             break;
2382           }
2383           case ZipCompression:
2384           {
2385             (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
2386               "FlateDecode");
2387             break;
2388           }
2389           default:
2390           {
2391             (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
2392               "RunLengthDecode");
2393             break;
2394           }
2395         }
2396         (void) WriteBlobString(image,buffer);
2397         (void) FormatLocaleString(buffer,MaxTextExtent,"/Width %.20g\n",
2398           (double) image->columns);
2399         (void) WriteBlobString(image,buffer);
2400         (void) FormatLocaleString(buffer,MaxTextExtent,"/Height %.20g\n",
2401           (double) image->rows);
2402         (void) WriteBlobString(image,buffer);
2403         (void) WriteBlobString(image,"/ColorSpace /DeviceGray\n");
2404         (void) FormatLocaleString(buffer,MaxTextExtent,"/BitsPerComponent %d\n",
2405           (compression == FaxCompression) || (compression == Group4Compression)
2406           ? 1 : 8);
2407         (void) WriteBlobString(image,buffer);
2408         (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
2409           (double) object+1);
2410         (void) WriteBlobString(image,buffer);
2411         (void) WriteBlobString(image,">>\n");
2412         (void) WriteBlobString(image,"stream\n");
2413         offset=TellBlob(image);
2414         number_pixels=(MagickSizeType) image->columns*image->rows;
2415         switch (compression)
2416         {
2417           case RLECompression:
2418           default:
2419           {
2420             /*
2421               Allocate pixel array.
2422             */
2423             length=(size_t) number_pixels;
2424             pixels=(unsigned char *) AcquireQuantumMemory(length,
2425               sizeof(*pixels));
2426             if (pixels == (unsigned char *) NULL)
2427               {
2428                 image=DestroyImage(image);
2429                 ThrowWriterException(ResourceLimitError,
2430                   "MemoryAllocationFailed");
2431               }
2432             /*
2433               Dump Runlength encoded pixels.
2434             */
2435             q=pixels;
2436             for (y=0; y < (ssize_t) image->rows; y++)
2437             {
2438               p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
2439               if (p == (const Quantum *) NULL)
2440                 break;
2441               for (x=0; x < (ssize_t) image->columns; x++)
2442               {
2443                 *q++=ScaleQuantumToChar(GetPixelAlpha(image,p));
2444                 p+=GetPixelChannels(image);
2445               }
2446             }
2447 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2448             if (compression == ZipCompression)
2449               status=ZLIBEncodeImage(image,length,pixels);
2450             else
2451 #endif
2452               if (compression == LZWCompression)
2453                 status=LZWEncodeImage(image,length,pixels);
2454               else
2455                 status=PackbitsEncodeImage(image,length,pixels);
2456             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2457             if (status == MagickFalse)
2458               {
2459                 (void) CloseBlob(image);
2460                 return(MagickFalse);
2461               }
2462             break;
2463           }
2464           case NoCompression:
2465           {
2466             /*
2467               Dump uncompressed PseudoColor packets.
2468             */
2469             Ascii85Initialize(image);
2470             for (y=0; y < (ssize_t) image->rows; y++)
2471             {
2472               p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
2473               if (p == (const Quantum *) NULL)
2474                 break;
2475               for (x=0; x < (ssize_t) image->columns; x++)
2476               {
2477                 Ascii85Encode(image,ScaleQuantumToChar(GetPixelAlpha(image,p)));
2478                 p+=GetPixelChannels(image);
2479               }
2480             }
2481             Ascii85Flush(image);
2482             break;
2483           }
2484         }
2485         offset=TellBlob(image)-offset;
2486         (void) WriteBlobString(image,"\nendstream\n");
2487       }
2488     (void) WriteBlobString(image,"endobj\n");
2489     /*
2490       Write Length object.
2491     */
2492     xref[object++]=TellBlob(image);
2493     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2494       object);
2495     (void) WriteBlobString(image,buffer);
2496     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double) offset);
2497     (void) WriteBlobString(image,buffer);
2498     (void) WriteBlobString(image,"endobj\n");
2499     if (GetNextImageInList(image) == (Image *) NULL)
2500       break;
2501     image=SyncNextImageInList(image);
2502     status=SetImageProgress(image,SaveImagesTag,scene++,
2503       GetImageListLength(image));
2504     if (status == MagickFalse)
2505       break;
2506   } while (image_info->adjoin != MagickFalse);
2507   /*
2508     Write Metadata object.
2509   */
2510   xref[object++]=TellBlob(image);
2511   info_id=object;
2512   (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2513     object);
2514   (void) WriteBlobString(image,buffer);
2515   (void) WriteBlobString(image,"<<\n");
2516   GetPathComponent(image->filename,BasePath,basename);
2517   (void) FormatLocaleString(buffer,MaxTextExtent,"/Title (%s)\n",
2518     EscapeParenthesis(basename));
2519   (void) WriteBlobString(image,buffer);
2520   seconds=time((time_t *) NULL);
2521 #if defined(MAGICKCORE_HAVE_LOCALTIME_R)
2522   (void) localtime_r(&seconds,&local_time);
2523 #else
2524   (void) memcpy(&local_time,localtime(&seconds),sizeof(local_time));
2525 #endif
2526   (void) FormatLocaleString(date,MaxTextExtent,"D:%04d%02d%02d%02d%02d%02d",
2527     local_time.tm_year+1900,local_time.tm_mon+1,local_time.tm_mday,
2528     local_time.tm_hour,local_time.tm_min,local_time.tm_sec);
2529   (void) FormatLocaleString(buffer,MaxTextExtent,"/CreationDate (%s)\n",date);
2530   (void) WriteBlobString(image,buffer);
2531   (void) FormatLocaleString(buffer,MaxTextExtent,"/ModDate (%s)\n",date);
2532   (void) WriteBlobString(image,buffer);
2533   (void) FormatLocaleString(buffer,MaxTextExtent,"/Producer (%s)\n",
2534     EscapeParenthesis(GetMagickVersion((size_t *) NULL)));
2535   (void) WriteBlobString(image,buffer);
2536   (void) WriteBlobString(image,">>\n");
2537   (void) WriteBlobString(image,"endobj\n");
2538   /*
2539     Write Xref object.
2540   */
2541   offset=TellBlob(image)-xref[0]+10;
2542   (void) WriteBlobString(image,"xref\n");
2543   (void) FormatLocaleString(buffer,MaxTextExtent,"0 %.20g\n",(double)
2544     object+1);
2545   (void) WriteBlobString(image,buffer);
2546   (void) WriteBlobString(image,"0000000000 65535 f \n");
2547   for (i=0; i < (ssize_t) object; i++)
2548   {
2549     (void) FormatLocaleString(buffer,MaxTextExtent,"%010lu 00000 n \n",
2550       (unsigned long) xref[i]);
2551     (void) WriteBlobString(image,buffer);
2552   }
2553   (void) WriteBlobString(image,"trailer\n");
2554   (void) WriteBlobString(image,"<<\n");
2555   (void) FormatLocaleString(buffer,MaxTextExtent,"/Size %.20g\n",(double)
2556     object+1);
2557   (void) WriteBlobString(image,buffer);
2558   (void) FormatLocaleString(buffer,MaxTextExtent,"/Info %.20g 0 R\n",(double)
2559     info_id);
2560   (void) WriteBlobString(image,buffer);
2561   (void) FormatLocaleString(buffer,MaxTextExtent,"/Root %.20g 0 R\n",(double)
2562     root_id);
2563   (void) WriteBlobString(image,buffer);
2564   (void) WriteBlobString(image,">>\n");
2565   (void) WriteBlobString(image,"startxref\n");
2566   (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double) offset);
2567   (void) WriteBlobString(image,buffer);
2568   (void) WriteBlobString(image,"%%EOF\n");
2569   xref=(MagickOffsetType *) RelinquishMagickMemory(xref);
2570   (void) CloseBlob(image);
2571   return(MagickTrue);
2572 }