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

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %                            PPPP   DDDD   FFFFF                              %
   7 %                            P   P  D   D  F                                  %
   8 %                            PPPP   D   D  FFF                                %
   9 %                            P      D   D  F                                  %
  10 %                            P      DDDD   F                                  %
  11 %                                                                             %
  12 %                                                                             %
  13 %                   Read/Write Portable Document Format                       %
  14 %                                                                             %
  15 %                              Software Design                                %
  16 %                                John Cristy                                  %
  17 %                                 July 1992                                   %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization      %
  21 %  dedicated to making software imaging solutions freely available.           %
  22 %                                                                             %
  23 %  You may not use this file except in compliance with the License.  You may  %
  24 %  obtain a copy of the License at                                            %
  25 %                                                                             %
  26 %    http://www.imagemagick.org/script/license.php                            %
  27 %                                                                             %
  28 %  Unless required by applicable law or agreed to in writing, software        %
  29 %  distributed under the License is distributed on an "AS IS" BASIS,          %
  30 %  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
  31 %  See the License for the specific language governing permissions and        %
  32 %  limitations under the License.                                             %
  33 %                                                                             %
  34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  35 %
  36 %
  37 */
  38 \f
  39 /*
  40   Include declarations.
  41 */
  42 #include "MagickCore/studio.h"
  43 #include "MagickCore/attribute.h"
  44 #include "MagickCore/blob.h"
  45 #include "MagickCore/blob-private.h"
  46 #include "MagickCore/cache.h"
  47 #include "MagickCore/color.h"
  48 #include "MagickCore/color-private.h"
  49 #include "MagickCore/colorspace.h"
  50 #include "MagickCore/colorspace-private.h"
  51 #include "MagickCore/compress.h"
  52 #include "MagickCore/constitute.h"
  53 #include "MagickCore/delegate.h"
  54 #include "MagickCore/delegate-private.h"
  55 #include "MagickCore/draw.h"
  56 #include "MagickCore/exception.h"
  57 #include "MagickCore/exception-private.h"
  58 #include "MagickCore/geometry.h"
  59 #include "MagickCore/image.h"
  60 #include "MagickCore/image-private.h"
  61 #include "MagickCore/list.h"
  62 #include "MagickCore/magick.h"
  63 #include "MagickCore/memory_.h"
  64 #include "MagickCore/monitor.h"
  65 #include "MagickCore/monitor-private.h"
  66 #include "MagickCore/option.h"
  67 #include "MagickCore/pixel-accessor.h"
  68 #include "MagickCore/profile.h"
  69 #include "MagickCore/property.h"
  70 #include "MagickCore/quantum-private.h"
  71 #include "MagickCore/resource_.h"
  72 #include "MagickCore/resize.h"
  73 #include "MagickCore/static.h"
  74 #include "MagickCore/string_.h"
  75 #include "MagickCore/module.h"
  76 #include "MagickCore/transform.h"
  77 #include "MagickCore/utility.h"
  78 #include "MagickCore/module.h"
  79 \f
  80 /*
  81   Define declarations.
  82 */
  83 #if defined(MAGICKCORE_TIFF_DELEGATE)
  84 #define CCITTParam  "-1"
  85 #else
  86 #define CCITTParam  "0"
  87 #endif
  88 \f
  89 /*
  90   Forward declarations.
  91 */
  92 static MagickBooleanType
  93   WritePDFImage(const ImageInfo *,Image *,ExceptionInfo *);
  94 \f
  95 /*
  96 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  97 %                                                                             %
  98 %                                                                             %
  99 %                                                                             %
 100 %   I n v o k e P D F D e l e g a t e                                         %
 101 %                                                                             %
 102 %                                                                             %
 103 %                                                                             %
 104 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 105 %
 106 %  InvokePDFDelegate() executes the PDF interpreter with the specified command.
 107 %
 108 %  The format of the InvokePDFDelegate method is:
 109 %
 110 %      MagickBooleanType InvokePDFDelegate(const MagickBooleanType verbose,
 111 %        const char *command,ExceptionInfo *exception)
 112 %
 113 %  A description of each parameter follows:
 114 %
 115 %    o verbose: A value other than zero displays the command prior to
 116 %      executing it.
 117 %
 118 %    o command: the address of a character string containing the command to
 119 %      execute.
 120 %
 121 %    o exception: return any errors or warnings in this structure.
 122 %
 123 */
 124 static MagickBooleanType InvokePDFDelegate(const MagickBooleanType verbose,
 125   const char *command,ExceptionInfo *exception)
 126 {
 127   int
 128     status;
 129
 130 #if defined(MAGICKCORE_GS_DELEGATE) || defined(MAGICKCORE_WINDOWS_SUPPORT)
 131   char
 132     **argv;
 133
 134   const GhostInfo
 135     *ghost_info;
 136
 137   gs_main_instance
 138     *interpreter;
 139
 140   int
 141     argc,
 142     code;
 143
 144   register ssize_t
 145     i;
 146
 147 #if defined(MAGICKCORE_WINDOWS_SUPPORT)
 148   ghost_info=NTGhostscriptDLLVectors();
 149 #else
 150   GhostInfo
 151     ghost_info_struct;
 152
 153   ghost_info=(&ghost_info_struct);
 154   (void) ResetMagickMemory(&ghost_info,0,sizeof(ghost_info));
 155   ghost_info_struct.new_instance=(int (*)(gs_main_instance **,void *))
 156     gsapi_new_instance;
 157   ghost_info_struct.init_with_args=(int (*)(gs_main_instance *,int,char **))
 158     gsapi_init_with_args;
 159   ghost_info_struct.run_string=(int (*)(gs_main_instance *,const char *,int,
 160     int *)) gsapi_run_string;
 161   ghost_info_struct.delete_instance=(void (*)(gs_main_instance *))
 162     gsapi_delete_instance;
 163   ghost_info_struct.exit=(int (*)(gs_main_instance *)) gsapi_exit;
 164 #endif
 165   if (ghost_info == (GhostInfo *) NULL)
 166     {
 167       status=SystemCommand(MagickFalse,verbose,command,exception);
 168       return(status == 0 ? MagickTrue : MagickFalse);
 169     }
 170   if (verbose != MagickFalse)
 171     {
 172       (void) fputs("[ghostscript library]",stdout);
 173       (void) fputs(strchr(command,' '),stdout);
 174     }
 175   status=(ghost_info->new_instance)(&interpreter,(void *) NULL);
 176   if (status < 0)
 177     {
 178       status=SystemCommand(MagickFalse,verbose,command,exception);
 179       return(status == 0 ? MagickTrue : MagickFalse);
 180     }
 181   code=0;
 182   argv=StringToArgv(command,&argc);
 183   status=(ghost_info->init_with_args)(interpreter,argc-1,argv+1);
 184   if (status == 0)
 185     status=(ghost_info->run_string)(interpreter,"systemdict /start get exec\n",
 186       0,&code);
 187   (ghost_info->exit)(interpreter);
 188   (ghost_info->delete_instance)(interpreter);
 189 #if defined(MAGICKCORE_WINDOWS_SUPPORT)
 190   NTGhostscriptUnLoadDLL();
 191 #endif
 192   for (i=0; i < (ssize_t) argc; i++)
 193     argv[i]=DestroyString(argv[i]);
 194   argv=(char **) RelinquishMagickMemory(argv);
 195   if ((status != 0) && (status != -101))
 196     {
 197       char
 198         *message;
 199
 200       message=GetExceptionMessage(errno);
 201       (void) ThrowMagickException(exception,GetMagickModule(),DelegateError,
 202         "`%s': %s",command,message);
 203       message=DestroyString(message);
 204       (void) LogMagickEvent(CoderEvent,GetMagickModule(),
 205         "Ghostscript returns status %d, exit code %d",status,code);
 206       return(MagickFalse);
 207     }
 208   return(MagickTrue);
 209 #else
 210   status=SystemCommand(MagickFalse,verbose,command,exception);
 211   return(status == 0 ? MagickTrue : MagickFalse);
 212 #endif
 213 }
 214 \f
 215 /*
 216 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 217 %                                                                             %
 218 %                                                                             %
 219 %                                                                             %
 220 %   I s P D F                                                                 %
 221 %                                                                             %
 222 %                                                                             %
 223 %                                                                             %
 224 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 225 %
 226 %  IsPDF() returns MagickTrue if the image format type, identified by the
 227 %  magick string, is PDF.
 228 %
 229 %  The format of the IsPDF method is:
 230 %
 231 %      MagickBooleanType IsPDF(const unsigned char *magick,const size_t offset)
 232 %
 233 %  A description of each parameter follows:
 234 %
 235 %    o magick: compare image format pattern against these bytes.
 236 %
 237 %    o offset: Specifies the offset of the magick string.
 238 %
 239 */
 240 static MagickBooleanType IsPDF(const unsigned char *magick,const size_t offset)
 241 {
 242   if (offset < 5)
 243     return(MagickFalse);
 244   if (LocaleNCompare((const char *) magick,"%PDF-",5) == 0)
 245     return(MagickTrue);
 246   return(MagickFalse);
 247 }
 248 \f
 249 /*
 250 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 251 %                                                                             %
 252 %                                                                             %
 253 %                                                                             %
 254 %   R e a d P D F I m a g e                                                   %
 255 %                                                                             %
 256 %                                                                             %
 257 %                                                                             %
 258 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 259 %
 260 %  ReadPDFImage() reads a Portable Document Format image file and
 261 %  returns it.  It allocates the memory necessary for the new Image structure
 262 %  and returns a pointer to the new image.
 263 %
 264 %  The format of the ReadPDFImage method is:
 265 %
 266 %      Image *ReadPDFImage(const ImageInfo *image_info,ExceptionInfo *exception)
 267 %
 268 %  A description of each parameter follows:
 269 %
 270 %    o image_info: the image info.
 271 %
 272 %    o exception: return any errors or warnings in this structure.
 273 %
 274 */
 275
 276 static MagickBooleanType IsPDFRendered(const char *path)
 277 {
 278   MagickBooleanType
 279     status;
 280
 281   struct stat
 282     attributes;
 283
 284   if ((path == (const char *) NULL) || (*path == '\0'))
 285     return(MagickFalse);
 286   status=GetPathAttributes(path,&attributes);
 287   if ((status != MagickFalse) && S_ISREG(attributes.st_mode) &&
 288       (attributes.st_size > 0))
 289     return(MagickTrue);
 290   return(MagickFalse);
 291 }
 292
 293 static Image *ReadPDFImage(const ImageInfo *image_info,ExceptionInfo *exception)
 294 {
 295 #define CropBox  "CropBox"
 296 #define DeviceCMYK  "DeviceCMYK"
 297 #define MediaBox  "MediaBox"
 298 #define RenderPostscriptText  "Rendering Postscript...  "
 299 #define PDFRotate  "Rotate"
 300 #define SpotColor  "Separation"
 301 #define TrimBox  "TrimBox"
 302 #define PDFVersion  "PDF-"
 303
 304   char
 305     command[MaxTextExtent],
 306     density[MaxTextExtent],
 307     filename[MaxTextExtent],
 308     geometry[MaxTextExtent],
 309     options[MaxTextExtent],
 310     input_filename[MaxTextExtent],
 311     postscript_filename[MaxTextExtent];
 312
 313   const char
 314     *option;
 315
 316   const DelegateInfo
 317     *delegate_info;
 318
 319   double
 320     angle;
 321
 322   GeometryInfo
 323     geometry_info;
 324
 325   Image
 326     *image,
 327     *next,
 328     *pdf_image;
 329
 330   ImageInfo
 331     *read_info;
 332
 333   int
 334     c,
 335     file;
 336
 337   MagickBooleanType
 338     cmyk,
 339     cropbox,
 340     trimbox,
 341     status;
 342
 343   MagickStatusType
 344     flags;
 345
 346   PointInfo
 347     delta;
 348
 349   RectangleInfo
 350     bounding_box,
 351     page;
 352
 353   register char
 354     *p;
 355
 356   register ssize_t
 357     i;
 358
 359   SegmentInfo
 360     bounds,
 361     hires_bounds;
 362
 363   size_t
 364     scene,
 365     spotcolor;
 366
 367   ssize_t
 368     count;
 369
 370   assert(image_info != (const ImageInfo *) NULL);
 371   assert(image_info->signature == MagickSignature);
 372   if (image_info->debug != MagickFalse)
 373     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 374       image_info->filename);
 375   assert(exception != (ExceptionInfo *) NULL);
 376   assert(exception->signature == MagickSignature);
 377   /*
 378     Open image file.
 379   */
 380   image=AcquireImage(image_info);
 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,
 835 %        Image *image,ExceptionInfo *exception)
 836 %
 837 %  A description of each parameter follows.
 838 %
 839 %    o image_info: the image info.
 840 %
 841 %    o image:  The image.
 842 %
 843 %    o exception: return any errors or warnings in this structure.
 844 %
 845 */
 846
 847 static inline size_t MagickMax(const size_t x,const size_t y)
 848 {
 849   if (x > y)
 850     return(x);
 851   return(y);
 852 }
 853
 854 static inline size_t MagickMin(const size_t x,const size_t y)
 855 {
 856   if (x < y)
 857     return(x);
 858   return(y);
 859 }
 860
 861 static char *EscapeParenthesis(const char *text)
 862 {
 863   register char
 864     *p;
 865
 866   register ssize_t
 867     i;
 868
 869   size_t
 870     escapes;
 871
 872   static char
 873     buffer[MaxTextExtent];
 874
 875   escapes=0;
 876   p=buffer;
 877   for (i=0; i < (ssize_t) MagickMin(strlen(text),(MaxTextExtent-escapes-1)); i++)
 878   {
 879     if ((text[i] == '(') || (text[i] == ')'))
 880       {
 881         *p++='\\';
 882         escapes++;
 883       }
 884     *p++=text[i];
 885   }
 886   *p='\0';
 887   return(buffer);
 888 }
 889
 890 static MagickBooleanType Huffman2DEncodeImage(const ImageInfo *image_info,
 891   Image *image,Image *inject_image)
 892 {
 893   Image
 894     *group4_image;
 895
 896   ImageInfo
 897     *write_info;
 898
 899   MagickBooleanType
 900     status;
 901
 902   size_t
 903     length;
 904
 905   unsigned char
 906     *group4;
 907
 908   status=MagickTrue;
 909   write_info=CloneImageInfo(image_info);
 910   (void) CopyMagickString(write_info->filename,"GROUP4:",MaxTextExtent);
 911   (void) CopyMagickString(write_info->magick,"GROUP4",MaxTextExtent);
 912   group4_image=CloneImage(inject_image,0,0,MagickTrue,&image->exception);
 913   if (group4_image == (Image *) NULL)
 914     return(MagickFalse);
 915   group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
 916     &image->exception);
 917   group4_image=DestroyImage(group4_image);
 918   if (group4 == (unsigned char *) NULL)
 919     return(MagickFalse);
 920   write_info=DestroyImageInfo(write_info);
 921   if (WriteBlob(image,length,group4) != (ssize_t) length)
 922     status=MagickFalse;
 923   group4=(unsigned char *) RelinquishMagickMemory(group4);
 924   return(status);
 925 }
 926
 927 static MagickBooleanType WritePDFImage(const ImageInfo *image_info,Image *image,
 928   ExceptionInfo *exception)
 929 {
 930 #define CFormat  "/Filter [ /%s ]\n"
 931 #define ObjectsPerImage  14
 932
 933   static const char
 934     XMPProfile[]=
 935     {
 936       "<?xpacket begin=\"%s\" id=\"W5M0MpCehiHzreSzNTczkc9d\"?>\n"
 937       "<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"
 938       "   <rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\">\n"
 939       "      <rdf:Description rdf:about=\"\"\n"
 940       "            xmlns:xap=\"http://ns.adobe.com/xap/1.0/\">\n"
 941       "         <xap:ModifyDate>%s</xap:ModifyDate>\n"
 942       "         <xap:CreateDate>%s</xap:CreateDate>\n"
 943       "         <xap:MetadataDate>%s</xap:MetadataDate>\n"
 944       "         <xap:CreatorTool>%s</xap:CreatorTool>\n"
 945       "      </rdf:Description>\n"
 946       "      <rdf:Description rdf:about=\"\"\n"
 947       "            xmlns:dc=\"http://purl.org/dc/elements/1.1/\">\n"
 948       "         <dc:format>application/pdf</dc:format>\n"
 949       "      </rdf:Description>\n"
 950       "      <rdf:Description rdf:about=\"\"\n"
 951       "            xmlns:xapMM=\"http://ns.adobe.com/xap/1.0/mm/\">\n"
 952       "         <xapMM:DocumentID>uuid:6ec119d7-7982-4f56-808d-dfe64f5b35cf</xapMM:DocumentID>\n"
 953       "         <xapMM:InstanceID>uuid:a79b99b4-6235-447f-9f6c-ec18ef7555cb</xapMM:InstanceID>\n"
 954       "      </rdf:Description>\n"
 955       "      <rdf:Description rdf:about=\"\"\n"
 956       "            xmlns:pdf=\"http://ns.adobe.com/pdf/1.3/\">\n"
 957       "         <pdf:Producer>%s</pdf:Producer>\n"
 958       "      </rdf:Description>\n"
 959       "      <rdf:Description rdf:about=\"\"\n"
 960       "            xmlns:pdfaid=\"http://www.aiim.org/pdfa/ns/id/\">\n"
 961       "         <pdfaid:part>1</pdfaid:part>\n"
 962       "         <pdfaid:conformance>B</pdfaid:conformance>\n"
 963       "      </rdf:Description>\n"
 964       "   </rdf:RDF>\n"
 965       "</x:xmpmeta>\n"
 966       "<?xpacket end=\"w\"?>\n"
 967     },
 968     XMPProfileMagick[4]= { (char) 0xef, (char) 0xbb, (char) 0xbf, (char) 0x00 };
 969
 970   char
 971     basename[MaxTextExtent],
 972     buffer[MaxTextExtent],
 973     date[MaxTextExtent],
 974     **labels,
 975     page_geometry[MaxTextExtent];
 976
 977   CompressionType
 978     compression;
 979
 980   const char
 981     *value;
 982
 983   double
 984     pointsize;
 985
 986   GeometryInfo
 987     geometry_info;
 988
 989   Image
 990     *next,
 991     *tile_image;
 992
 993   MagickBooleanType
 994     status;
 995
 996   MagickOffsetType
 997     offset,
 998     scene,
 999     *xref;
1000
1001   MagickSizeType
1002     number_pixels;
1003
1004   MagickStatusType
1005     flags;
1006
1007   PointInfo
1008     delta,
1009     resolution,
1010     scale;
1011
1012   RectangleInfo
1013     geometry,
1014     media_info,
1015     page_info;
1016
1017   register const Quantum
1018     *p;
1019
1020   register unsigned char
1021     *q;
1022
1023   register ssize_t
1024     i,
1025     x;
1026
1027   size_t
1028     info_id,
1029     length,
1030     object,
1031     pages_id,
1032     root_id,
1033     text_size,
1034     version;
1035
1036   ssize_t
1037     count,
1038     y;
1039
1040   struct tm
1041     local_time;
1042
1043   time_t
1044     seconds;
1045
1046   unsigned char
1047     *pixels;
1048
1049   /*
1050     Open output image file.
1051   */
1052   assert(image_info != (const ImageInfo *) NULL);
1053   assert(image_info->signature == MagickSignature);
1054   assert(image != (Image *) NULL);
1055   assert(image->signature == MagickSignature);
1056   if (image->debug != MagickFalse)
1057     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1058   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1059   if (status == MagickFalse)
1060     return(status);
1061   /*
1062     Allocate X ref memory.
1063   */
1064   xref=(MagickOffsetType *) AcquireQuantumMemory(2048UL,sizeof(*xref));
1065   if (xref == (MagickOffsetType *) NULL)
1066     ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1067   (void) ResetMagickMemory(xref,0,2048UL*sizeof(*xref));
1068   /*
1069     Write Info object.
1070   */
1071   object=0;
1072   version=3;
1073   if (image_info->compression == JPEG2000Compression)
1074     version=(size_t) MagickMax(version,5);
1075   for (next=image; next != (Image *) NULL; next=GetNextImageInList(next))
1076     if (next->matte != MagickFalse)
1077       version=(size_t) MagickMax(version,4);
1078   if (LocaleCompare(image_info->magick,"PDFA") == 0)
1079     version=(size_t) MagickMax(version,6);
1080   (void) FormatLocaleString(buffer,MaxTextExtent,"%%PDF-1.%.20g \n",
1081     (double) version);
1082   (void) WriteBlobString(image,buffer);
1083   if (LocaleCompare(image_info->magick,"PDFA") == 0)
1084     (void) WriteBlobString(image,"%âãÏÓ\n");
1085   /*
1086     Write Catalog object.
1087   */
1088   xref[object++]=TellBlob(image);
1089   root_id=object;
1090   (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1091     object);
1092   (void) WriteBlobString(image,buffer);
1093   (void) WriteBlobString(image,"<<\n");
1094   if (LocaleCompare(image_info->magick,"PDFA") != 0)
1095     (void) FormatLocaleString(buffer,MaxTextExtent,"/Pages %.20g 0 R\n",
1096       (double) object+1);
1097   else
1098     {
1099       (void) FormatLocaleString(buffer,MaxTextExtent,"/Metadata %.20g 0 R\n",
1100         (double) object+1);
1101       (void) WriteBlobString(image,buffer);
1102       (void) FormatLocaleString(buffer,MaxTextExtent,"/Pages %.20g 0 R\n",
1103         (double) object+2);
1104     }
1105   (void) WriteBlobString(image,buffer);
1106   (void) WriteBlobString(image,"/Type /Catalog\n");
1107   (void) WriteBlobString(image,">>\n");
1108   (void) WriteBlobString(image,"endobj\n");
1109   if (LocaleCompare(image_info->magick,"PDFA") == 0)
1110     {
1111       char
1112         create_date[MaxTextExtent],
1113         modify_date[MaxTextExtent],
1114         timestamp[MaxTextExtent],
1115         xmp_profile[MaxTextExtent];
1116
1117       size_t
1118         version;
1119
1120       /*
1121         Write XMP object.
1122       */
1123       xref[object++]=TellBlob(image);
1124       (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",
1125         (double) object);
1126       (void) WriteBlobString(image,buffer);
1127       (void) WriteBlobString(image,"<<\n");
1128       (void) WriteBlobString(image,"/Subtype /XML\n");
1129       *modify_date='\0';
1130       value=GetImageProperty(image,"date:modify");
1131       if (value != (const char *) NULL)
1132         (void) CopyMagickString(modify_date,value,MaxTextExtent);
1133       *create_date='\0';
1134       value=GetImageProperty(image,"date:create");
1135       if (value != (const char *) NULL)
1136         (void) CopyMagickString(create_date,value,MaxTextExtent);
1137       (void) FormatMagickTime(time((time_t *) NULL),MaxTextExtent,timestamp);
1138       i=FormatLocaleString(xmp_profile,MaxTextExtent,XMPProfile,
1139         XMPProfileMagick,modify_date,create_date,timestamp,
1140         GetMagickVersion(&version),GetMagickVersion(&version));
1141       (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g\n",
1142         (double) i);
1143       (void) WriteBlobString(image,buffer);
1144       (void) WriteBlobString(image,"/Type /Metadata\n");
1145       (void) WriteBlobString(image,">>\nstream\n");
1146       (void) WriteBlobString(image,xmp_profile);
1147       (void) WriteBlobString(image,"endstream\n");
1148       (void) WriteBlobString(image,"endobj\n");
1149     }
1150   /*
1151     Write Pages object.
1152   */
1153   xref[object++]=TellBlob(image);
1154   pages_id=object;
1155   (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1156     object);
1157   (void) WriteBlobString(image,buffer);
1158   (void) WriteBlobString(image,"<<\n");
1159   (void) WriteBlobString(image,"/Type /Pages\n");
1160   (void) FormatLocaleString(buffer,MaxTextExtent,"/Kids [ %.20g 0 R ",
1161     (double) object+1);
1162   (void) WriteBlobString(image,buffer);
1163   count=(ssize_t) (pages_id+ObjectsPerImage+1);
1164   if (image_info->adjoin != MagickFalse)
1165     {
1166       Image
1167         *kid_image;
1168
1169       /*
1170         Predict page object id's.
1171       */
1172       kid_image=image;
1173       for ( ; GetNextImageInList(kid_image) != (Image *) NULL; count+=ObjectsPerImage)
1174       {
1175         (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 R ",(double)
1176           count);
1177         (void) WriteBlobString(image,buffer);
1178         kid_image=GetNextImageInList(kid_image);
1179       }
1180       xref=(MagickOffsetType *) ResizeQuantumMemory(xref,(size_t) count+2048UL,
1181         sizeof(*xref));
1182       if (xref == (MagickOffsetType *) NULL)
1183         ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1184     }
1185   (void) WriteBlobString(image,"]\n");
1186   (void) FormatLocaleString(buffer,MaxTextExtent,"/Count %.20g\n",
1187     (double) ((count-pages_id)/ObjectsPerImage));
1188   (void) WriteBlobString(image,buffer);
1189   (void) WriteBlobString(image,">>\n");
1190   (void) WriteBlobString(image,"endobj\n");
1191   scene=0;
1192   do
1193   {
1194     compression=image->compression;
1195     if (image_info->compression != UndefinedCompression)
1196       compression=image_info->compression;
1197     switch (compression)
1198     {
1199       case FaxCompression:
1200       case Group4Compression:
1201       {
1202         if ((IsImageMonochrome(image,exception) == MagickFalse) ||
1203             (image->matte != MagickFalse))
1204           compression=RLECompression;
1205         break;
1206       }
1207 #if !defined(MAGICKCORE_JPEG_DELEGATE)
1208       case JPEGCompression:
1209       {
1210         compression=RLECompression;
1211         (void) ThrowMagickException(exception,GetMagickModule(),
1212           MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
1213           image->filename);
1214         break;
1215       }
1216 #endif
1217 #if !defined(MAGICKCORE_JP2_DELEGATE)
1218       case JPEG2000Compression:
1219       {
1220         compression=RLECompression;
1221         (void) ThrowMagickException(exception,GetMagickModule(),
1222           MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JP2)",
1223           image->filename);
1224         break;
1225       }
1226 #endif
1227 #if !defined(MAGICKCORE_ZLIB_DELEGATE)
1228       case ZipCompression:
1229       {
1230         compression=RLECompression;
1231         (void) ThrowMagickException(exception,GetMagickModule(),
1232           MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (ZLIB)",
1233           image->filename);
1234         break;
1235       }
1236 #endif
1237       case LZWCompression:
1238       {
1239         if (LocaleCompare(image_info->magick,"PDFA") == 0)
1240           compression=RLECompression;  /* LZW compression is forbidden */
1241         break;
1242       }
1243       case NoCompression:
1244       {
1245         if (LocaleCompare(image_info->magick,"PDFA") == 0)
1246           compression=RLECompression; /* ASCII 85 compression is forbidden */
1247         break;
1248       }
1249       default:
1250         break;
1251     }
1252     if (compression == JPEG2000Compression)
1253       {
1254         if (IsRGBColorspace(image->colorspace) == MagickFalse)
1255           (void) TransformImageColorspace(image,RGBColorspace);
1256       }
1257     /*
1258       Scale relative to dots-per-inch.
1259     */
1260     delta.x=DefaultResolution;
1261     delta.y=DefaultResolution;
1262     resolution.x=image->x_resolution;
1263     resolution.y=image->y_resolution;
1264     if ((resolution.x == 0.0) || (resolution.y == 0.0))
1265       {
1266         flags=ParseGeometry(PSDensityGeometry,&geometry_info);
1267         resolution.x=geometry_info.rho;
1268         resolution.y=geometry_info.sigma;
1269         if ((flags & SigmaValue) == 0)
1270           resolution.y=resolution.x;
1271       }
1272     if (image_info->density != (char *) NULL)
1273       {
1274         flags=ParseGeometry(image_info->density,&geometry_info);
1275         resolution.x=geometry_info.rho;
1276         resolution.y=geometry_info.sigma;
1277         if ((flags & SigmaValue) == 0)
1278           resolution.y=resolution.x;
1279       }
1280     if (image->units == PixelsPerCentimeterResolution)
1281       {
1282         resolution.x=(double) ((size_t) (100.0*2.54*resolution.x+0.5)/100.0);
1283         resolution.y=(double) ((size_t) (100.0*2.54*resolution.y+0.5)/100.0);
1284       }
1285     SetGeometry(image,&geometry);
1286     (void) FormatLocaleString(page_geometry,MaxTextExtent,"%.20gx%.20g",
1287       (double) image->columns,(double) image->rows);
1288     if (image_info->page != (char *) NULL)
1289       (void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
1290     else
1291       if ((image->page.width != 0) && (image->page.height != 0))
1292         (void) FormatLocaleString(page_geometry,MaxTextExtent,
1293           "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,
1294           (double) image->page.height,(double) image->page.x,(double)
1295           image->page.y);
1296       else
1297         if ((image->gravity != UndefinedGravity) &&
1298             (LocaleCompare(image_info->magick,"PDF") == 0))
1299           (void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
1300     (void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
1301     (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
1302       &geometry.width,&geometry.height);
1303     scale.x=(double) (geometry.width*delta.x)/resolution.x;
1304     geometry.width=(size_t) floor(scale.x+0.5);
1305     scale.y=(double) (geometry.height*delta.y)/resolution.y;
1306     geometry.height=(size_t) floor(scale.y+0.5);
1307     (void) ParseAbsoluteGeometry(page_geometry,&media_info);
1308     (void) ParseGravityGeometry(image,page_geometry,&page_info,exception);
1309     if (image->gravity != UndefinedGravity)
1310       {
1311         geometry.x=(-page_info.x);
1312         geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
1313       }
1314     pointsize=12.0;
1315     if (image_info->pointsize != 0.0)
1316       pointsize=image_info->pointsize;
1317     text_size=0;
1318     value=GetImageProperty(image,"label");
1319     if (value != (const char *) NULL)
1320       text_size=(size_t) (MultilineCensus(value)*pointsize+12);
1321     (void) text_size;
1322     /*
1323       Write Page object.
1324     */
1325     xref[object++]=TellBlob(image);
1326     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1327       object);
1328     (void) WriteBlobString(image,buffer);
1329     (void) WriteBlobString(image,"<<\n");
1330     (void) WriteBlobString(image,"/Type /Page\n");
1331     (void) FormatLocaleString(buffer,MaxTextExtent,"/Parent %.20g 0 R\n",
1332       (double) pages_id);
1333     (void) WriteBlobString(image,buffer);
1334     (void) WriteBlobString(image,"/Resources <<\n");
1335     labels=(char **) NULL;
1336     value=GetImageProperty(image,"label");
1337     if (value != (const char *) NULL)
1338       labels=StringToList(value);
1339     if (labels != (char **) NULL)
1340       {
1341         (void) FormatLocaleString(buffer,MaxTextExtent,
1342           "/Font << /F%.20g %.20g 0 R >>\n",(double) image->scene,(double)
1343           object+4);
1344         (void) WriteBlobString(image,buffer);
1345       }
1346     (void) FormatLocaleString(buffer,MaxTextExtent,
1347       "/XObject << /Im%.20g %.20g 0 R >>\n",(double) image->scene,(double)
1348       object+5);
1349     (void) WriteBlobString(image,buffer);
1350     (void) FormatLocaleString(buffer,MaxTextExtent,"/ProcSet %.20g 0 R >>\n",
1351       (double) object+3);
1352     (void) WriteBlobString(image,buffer);
1353     (void) FormatLocaleString(buffer,MaxTextExtent,
1354       "/MediaBox [0 0 %g %g]\n",72.0*media_info.width/resolution.x,
1355       72.0*media_info.height/resolution.y);
1356     (void) WriteBlobString(image,buffer);
1357     (void) FormatLocaleString(buffer,MaxTextExtent,
1358       "/CropBox [0 0 %g %g]\n",72.0*media_info.width/resolution.x,
1359       72.0*media_info.height/resolution.y);
1360     (void) WriteBlobString(image,buffer);
1361     (void) FormatLocaleString(buffer,MaxTextExtent,"/Contents %.20g 0 R\n",
1362       (double) object+1);
1363     (void) WriteBlobString(image,buffer);
1364     (void) FormatLocaleString(buffer,MaxTextExtent,"/Thumb %.20g 0 R\n",
1365       (double) object+8);
1366     (void) WriteBlobString(image,buffer);
1367     (void) WriteBlobString(image,">>\n");
1368     (void) WriteBlobString(image,"endobj\n");
1369     /*
1370       Write Contents object.
1371     */
1372     xref[object++]=TellBlob(image);
1373     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1374       object);
1375     (void) WriteBlobString(image,buffer);
1376     (void) WriteBlobString(image,"<<\n");
1377     (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
1378       (double) object+1);
1379     (void) WriteBlobString(image,buffer);
1380     (void) WriteBlobString(image,">>\n");
1381     (void) WriteBlobString(image,"stream\n");
1382     offset=TellBlob(image);
1383     (void) WriteBlobString(image,"q\n");
1384     if (labels != (char **) NULL)
1385       for (i=0; labels[i] != (char *) NULL; i++)
1386       {
1387         (void) WriteBlobString(image,"BT\n");
1388         (void) FormatLocaleString(buffer,MaxTextExtent,"/F%.20g %g Tf\n",
1389           (double) image->scene,pointsize);
1390         (void) WriteBlobString(image,buffer);
1391         (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g Td\n",
1392           (double) geometry.x,(double) (geometry.y+geometry.height+i*pointsize+
1393           12));
1394         (void) WriteBlobString(image,buffer);
1395         (void) FormatLocaleString(buffer,MaxTextExtent,"(%s) Tj\n",labels[i]);
1396         (void) WriteBlobString(image,buffer);
1397         (void) WriteBlobString(image,"ET\n");
1398         labels[i]=DestroyString(labels[i]);
1399       }
1400     (void) FormatLocaleString(buffer,MaxTextExtent,"%g 0 0 %g %.20g %.20g cm\n",
1401       scale.x,scale.y,(double) geometry.x,(double) geometry.y);
1402     (void) WriteBlobString(image,buffer);
1403     (void) FormatLocaleString(buffer,MaxTextExtent,"/Im%.20g Do\n",
1404       (double) image->scene);
1405     (void) WriteBlobString(image,buffer);
1406     (void) WriteBlobString(image,"Q\n");
1407     offset=TellBlob(image)-offset;
1408     (void) WriteBlobString(image,"endstream\n");
1409     (void) WriteBlobString(image,"endobj\n");
1410     /*
1411       Write Length object.
1412     */
1413     xref[object++]=TellBlob(image);
1414     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1415       object);
1416     (void) WriteBlobString(image,buffer);
1417     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double) offset);
1418     (void) WriteBlobString(image,buffer);
1419     (void) WriteBlobString(image,"endobj\n");
1420     /*
1421       Write Procset object.
1422     */
1423     xref[object++]=TellBlob(image);
1424     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",
1425       (double) object);
1426     (void) WriteBlobString(image,buffer);
1427     if ((image->storage_class == DirectClass) || (image->colors > 256))
1428       (void) CopyMagickString(buffer,"[ /PDF /Text /ImageC",MaxTextExtent);
1429     else
1430       if ((compression == FaxCompression) || (compression == Group4Compression))
1431         (void) CopyMagickString(buffer,"[ /PDF /Text /ImageB",MaxTextExtent);
1432       else
1433         (void) CopyMagickString(buffer,"[ /PDF /Text /ImageI",MaxTextExtent);
1434     (void) WriteBlobString(image,buffer);
1435     (void) WriteBlobString(image," ]\n");
1436     (void) WriteBlobString(image,"endobj\n");
1437     /*
1438       Write Font object.
1439     */
1440     xref[object++]=TellBlob(image);
1441     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",
1442       (double) object);
1443     (void) WriteBlobString(image,buffer);
1444     (void) WriteBlobString(image,"<<\n");
1445     if (labels != (char **) NULL)
1446       {
1447         (void) WriteBlobString(image,"/Type /Font\n");
1448         (void) WriteBlobString(image,"/Subtype /Type1\n");
1449         (void) FormatLocaleString(buffer,MaxTextExtent,"/Name /F%.20g\n",
1450           (double) image->scene);
1451         (void) WriteBlobString(image,buffer);
1452         (void) WriteBlobString(image,"/BaseFont /Helvetica\n");
1453         (void) WriteBlobString(image,"/Encoding /MacRomanEncoding\n");
1454         labels=(char **) RelinquishMagickMemory(labels);
1455       }
1456     (void) WriteBlobString(image,">>\n");
1457     (void) WriteBlobString(image,"endobj\n");
1458     /*
1459       Write XObject object.
1460     */
1461     xref[object++]=TellBlob(image);
1462     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1463       object);
1464     (void) WriteBlobString(image,buffer);
1465     (void) WriteBlobString(image,"<<\n");
1466     (void) WriteBlobString(image,"/Type /XObject\n");
1467     (void) WriteBlobString(image,"/Subtype /Image\n");
1468     (void) FormatLocaleString(buffer,MaxTextExtent,"/Name /Im%.20g\n",
1469       (double) image->scene);
1470     (void) WriteBlobString(image,buffer);
1471     switch (compression)
1472     {
1473       case NoCompression:
1474       {
1475         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"ASCII85Decode");
1476         break;
1477       }
1478       case JPEGCompression:
1479       {
1480         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"DCTDecode");
1481         if (image->colorspace != CMYKColorspace)
1482           break;
1483         (void) WriteBlobString(image,buffer);
1484         (void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
1485           MaxTextExtent);
1486         break;
1487       }
1488       case JPEG2000Compression:
1489       {
1490         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"JPXDecode");
1491         if (image->colorspace != CMYKColorspace)
1492           break;
1493         (void) WriteBlobString(image,buffer);
1494         (void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
1495           MaxTextExtent);
1496         break;
1497       }
1498       case LZWCompression:
1499       {
1500         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"LZWDecode");
1501         break;
1502       }
1503       case ZipCompression:
1504       {
1505         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"FlateDecode");
1506         break;
1507       }
1508       case FaxCompression:
1509       case Group4Compression:
1510       {
1511         (void) CopyMagickString(buffer,"/Filter [ /CCITTFaxDecode ]\n",
1512           MaxTextExtent);
1513         (void) WriteBlobString(image,buffer);
1514         (void) FormatLocaleString(buffer,MaxTextExtent,"/DecodeParms [ << "
1515           "/K %s /BlackIs1 false /Columns %.20g /Rows %.20g >> ]\n",CCITTParam,
1516           (double) image->columns,(double) image->rows);
1517         break;
1518       }
1519       default:
1520       {
1521         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
1522           "RunLengthDecode");
1523         break;
1524       }
1525     }
1526     (void) WriteBlobString(image,buffer);
1527     (void) FormatLocaleString(buffer,MaxTextExtent,"/Width %.20g\n",(double)
1528       image->columns);
1529     (void) WriteBlobString(image,buffer);
1530     (void) FormatLocaleString(buffer,MaxTextExtent,"/Height %.20g\n",(double)
1531       image->rows);
1532     (void) WriteBlobString(image,buffer);
1533     (void) FormatLocaleString(buffer,MaxTextExtent,"/ColorSpace %.20g 0 R\n",
1534       (double) object+2);
1535     (void) WriteBlobString(image,buffer);
1536     (void) FormatLocaleString(buffer,MaxTextExtent,"/BitsPerComponent %d\n",
1537       (compression == FaxCompression) || (compression == Group4Compression) ?
1538       1 : 8);
1539     (void) WriteBlobString(image,buffer);
1540     if (image->matte != MagickFalse)
1541       {
1542         (void) FormatLocaleString(buffer,MaxTextExtent,"/SMask %.20g 0 R\n",
1543           (double) object+7);
1544         (void) WriteBlobString(image,buffer);
1545       }
1546     (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
1547       (double) object+1);
1548     (void) WriteBlobString(image,buffer);
1549     (void) WriteBlobString(image,">>\n");
1550     (void) WriteBlobString(image,"stream\n");
1551     offset=TellBlob(image);
1552     number_pixels=(MagickSizeType) image->columns*image->rows;
1553     if ((4*number_pixels) != (MagickSizeType) ((size_t) (4*number_pixels)))
1554       ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1555     if ((compression == FaxCompression) || (compression == Group4Compression) ||
1556         ((image_info->type != TrueColorType) &&
1557          (IsImageGray(image,exception) != MagickFalse)))
1558       {
1559         switch (compression)
1560         {
1561           case FaxCompression:
1562           case Group4Compression:
1563           {
1564             if (LocaleCompare(CCITTParam,"0") == 0)
1565               {
1566                 (void) HuffmanEncodeImage(image_info,image,image);
1567                 break;
1568               }
1569             (void) Huffman2DEncodeImage(image_info,image,image);
1570             break;
1571           }
1572           case JPEGCompression:
1573           {
1574             status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1575             if (status == MagickFalse)
1576               {
1577                 (void) CloseBlob(image);
1578                 return(MagickFalse);
1579               }
1580             break;
1581           }
1582           case JPEG2000Compression:
1583           {
1584             status=InjectImageBlob(image_info,image,image,"jp2",exception);
1585             if (status == MagickFalse)
1586               {
1587                 (void) CloseBlob(image);
1588                 return(MagickFalse);
1589               }
1590             break;
1591           }
1592           case RLECompression:
1593           default:
1594           {
1595             /*
1596               Allocate pixel array.
1597             */
1598             length=(size_t) number_pixels;
1599             pixels=(unsigned char *) AcquireQuantumMemory(length,
1600               sizeof(*pixels));
1601             if (pixels == (unsigned char *) NULL)
1602               ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1603             /*
1604               Dump Runlength encoded pixels.
1605             */
1606             q=pixels;
1607             for (y=0; y < (ssize_t) image->rows; y++)
1608             {
1609               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1610               if (p == (const Quantum *) NULL)
1611                 break;
1612               for (x=0; x < (ssize_t) image->columns; x++)
1613               {
1614                 *q++=ScaleQuantumToChar(GetPixelIntensity(image,p));
1615                 p+=GetPixelChannels(image);
1616               }
1617               if (image->previous == (Image *) NULL)
1618                 {
1619                   status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1620                     y,image->rows);
1621                   if (status == MagickFalse)
1622                     break;
1623                 }
1624             }
1625 #if defined(MAGICKCORE_ZLIB_DELEGATE)
1626             if (compression == ZipCompression)
1627               status=ZLIBEncodeImage(image,length,pixels);
1628             else
1629 #endif
1630               if (compression == LZWCompression)
1631                 status=LZWEncodeImage(image,length,pixels);
1632               else
1633                 status=PackbitsEncodeImage(image,length,pixels);
1634             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1635             if (status == MagickFalse)
1636               {
1637                 (void) CloseBlob(image);
1638                 return(MagickFalse);
1639               }
1640             break;
1641           }
1642           case NoCompression:
1643           {
1644             /*
1645               Dump uncompressed PseudoColor packets.
1646             */
1647             Ascii85Initialize(image);
1648             for (y=0; y < (ssize_t) image->rows; y++)
1649             {
1650               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1651               if (p == (const Quantum *) NULL)
1652                 break;
1653               for (x=0; x < (ssize_t) image->columns; x++)
1654               {
1655                 Ascii85Encode(image,ScaleQuantumToChar(
1656                   GetPixelIntensity(image,p)));
1657                 p+=GetPixelChannels(image);
1658               }
1659               if (image->previous == (Image *) NULL)
1660                 {
1661                   status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1662                     y,image->rows);
1663                   if (status == MagickFalse)
1664                     break;
1665                 }
1666             }
1667             Ascii85Flush(image);
1668             break;
1669           }
1670         }
1671       }
1672     else
1673       if ((image->storage_class == DirectClass) || (image->colors > 256) ||
1674           (compression == JPEGCompression) ||
1675           (compression == JPEG2000Compression))
1676         switch (compression)
1677         {
1678           case JPEGCompression:
1679           {
1680             status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1681             if (status == MagickFalse)
1682               {
1683                 (void) CloseBlob(image);
1684                 return(MagickFalse);
1685               }
1686             break;
1687           }
1688           case JPEG2000Compression:
1689           {
1690             status=InjectImageBlob(image_info,image,image,"jp2",exception);
1691             if (status == MagickFalse)
1692               {
1693                 (void) CloseBlob(image);
1694                 return(MagickFalse);
1695               }
1696             break;
1697           }
1698           case RLECompression:
1699           default:
1700           {
1701             /*
1702               Allocate pixel array.
1703             */
1704             length=(size_t) number_pixels;
1705             pixels=(unsigned char *) AcquireQuantumMemory(length,
1706               4*sizeof(*pixels));
1707             length*=image->colorspace == CMYKColorspace ? 4UL : 3UL;
1708             if (pixels == (unsigned char *) NULL)
1709               ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1710             /*
1711               Dump runoffset encoded pixels.
1712             */
1713             q=pixels;
1714             for (y=0; y < (ssize_t) image->rows; y++)
1715             {
1716               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1717               if (p == (const Quantum *) NULL)
1718                 break;
1719               for (x=0; x < (ssize_t) image->columns; x++)
1720               {
1721                 *q++=ScaleQuantumToChar(GetPixelRed(image,p));
1722                 *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
1723                 *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
1724                 if (image->colorspace == CMYKColorspace)
1725                   *q++=ScaleQuantumToChar(GetPixelBlack(image,p));
1726                 p+=GetPixelChannels(image);
1727               }
1728               if (image->previous == (Image *) NULL)
1729                 {
1730                   status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1731                     y,image->rows);
1732                   if (status == MagickFalse)
1733                     break;
1734                 }
1735             }
1736 #if defined(MAGICKCORE_ZLIB_DELEGATE)
1737             if (compression == ZipCompression)
1738               status=ZLIBEncodeImage(image,length,pixels);
1739             else
1740 #endif
1741               if (compression == LZWCompression)
1742                 status=LZWEncodeImage(image,length,pixels);
1743               else
1744                 status=PackbitsEncodeImage(image,length,pixels);
1745             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1746             if (status == MagickFalse)
1747               {
1748                 (void) CloseBlob(image);
1749                 return(MagickFalse);
1750               }
1751             break;
1752           }
1753           case NoCompression:
1754           {
1755             /*
1756               Dump uncompressed DirectColor packets.
1757             */
1758             Ascii85Initialize(image);
1759             for (y=0; y < (ssize_t) image->rows; y++)
1760             {
1761               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1762               if (p == (const Quantum *) NULL)
1763                 break;
1764               for (x=0; x < (ssize_t) image->columns; x++)
1765               {
1766                 Ascii85Encode(image,ScaleQuantumToChar(GetPixelRed(image,p)));
1767                 Ascii85Encode(image,ScaleQuantumToChar(GetPixelGreen(image,p)));
1768                 Ascii85Encode(image,ScaleQuantumToChar(GetPixelBlue(image,p)));
1769                 if (image->colorspace == CMYKColorspace)
1770                   Ascii85Encode(image,ScaleQuantumToChar(
1771                     GetPixelBlack(image,p)));
1772                 p+=GetPixelChannels(image);
1773               }
1774               if (image->previous == (Image *) NULL)
1775                 {
1776                   status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1777                     y,image->rows);
1778                   if (status == MagickFalse)
1779                     break;
1780                 }
1781             }
1782             Ascii85Flush(image);
1783             break;
1784           }
1785         }
1786       else
1787         {
1788           /*
1789             Dump number of colors and colormap.
1790           */
1791           switch (compression)
1792           {
1793             case RLECompression:
1794             default:
1795             {
1796               /*
1797                 Allocate pixel array.
1798               */
1799               length=(size_t) number_pixels;
1800               pixels=(unsigned char *) AcquireQuantumMemory(length,
1801                 sizeof(*pixels));
1802               if (pixels == (unsigned char *) NULL)
1803                 ThrowWriterException(ResourceLimitError,
1804                   "MemoryAllocationFailed");
1805               /*
1806                 Dump Runlength encoded pixels.
1807               */
1808               q=pixels;
1809               for (y=0; y < (ssize_t) image->rows; y++)
1810               {
1811                 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1812                 if (p == (const Quantum *) NULL)
1813                   break;
1814                 for (x=0; x < (ssize_t) image->columns; x++)
1815                 {
1816                   *q++=(unsigned char) GetPixelIndex(image,p);
1817                   p+=GetPixelChannels(image);
1818                 }
1819                 if (image->previous == (Image *) NULL)
1820                   {
1821                     status=SetImageProgress(image,SaveImageTag,
1822                       (MagickOffsetType) y,image->rows);
1823                     if (status == MagickFalse)
1824                       break;
1825                   }
1826               }
1827 #if defined(MAGICKCORE_ZLIB_DELEGATE)
1828               if (compression == ZipCompression)
1829                 status=ZLIBEncodeImage(image,length,pixels);
1830               else
1831 #endif
1832                 if (compression == LZWCompression)
1833                   status=LZWEncodeImage(image,length,pixels);
1834                 else
1835                   status=PackbitsEncodeImage(image,length,pixels);
1836               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1837               if (status == MagickFalse)
1838                 {
1839                   (void) CloseBlob(image);
1840                   return(MagickFalse);
1841                 }
1842               break;
1843             }
1844             case NoCompression:
1845             {
1846               /*
1847                 Dump uncompressed PseudoColor packets.
1848               */
1849               Ascii85Initialize(image);
1850               for (y=0; y < (ssize_t) image->rows; y++)
1851               {
1852                 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1853                 if (p == (const Quantum *) NULL)
1854                   break;
1855                 for (x=0; x < (ssize_t) image->columns; x++)
1856                 {
1857                   Ascii85Encode(image,(unsigned char) GetPixelIndex(image,p));
1858                   p+=GetPixelChannels(image);
1859                 }
1860                 if (image->previous == (Image *) NULL)
1861                   {
1862                     status=SetImageProgress(image,SaveImageTag,
1863                       (MagickOffsetType) y,image->rows);
1864                     if (status == MagickFalse)
1865                       break;
1866                   }
1867               }
1868               Ascii85Flush(image);
1869               break;
1870             }
1871           }
1872         }
1873     offset=TellBlob(image)-offset;
1874     (void) WriteBlobString(image,"\nendstream\n");
1875     (void) WriteBlobString(image,"endobj\n");
1876     /*
1877       Write Length object.
1878     */
1879     xref[object++]=TellBlob(image);
1880     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1881       object);
1882     (void) WriteBlobString(image,buffer);
1883     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",
1884       (double) offset);
1885     (void) WriteBlobString(image,buffer);
1886     (void) WriteBlobString(image,"endobj\n");
1887     /*
1888       Write Colorspace object.
1889     */
1890     xref[object++]=TellBlob(image);
1891     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1892       object);
1893     (void) WriteBlobString(image,buffer);
1894     if (image->colorspace == CMYKColorspace)
1895       (void) CopyMagickString(buffer,"/DeviceCMYK\n",MaxTextExtent);
1896     else
1897       if ((compression == FaxCompression) ||
1898           (compression == Group4Compression) ||
1899           ((image_info->type != TrueColorType) &&
1900            (IsImageGray(image,exception) != MagickFalse)))
1901           (void) CopyMagickString(buffer,"/DeviceGray\n",MaxTextExtent);
1902       else
1903         if ((image->storage_class == DirectClass) || (image->colors > 256) ||
1904             (compression == JPEGCompression) ||
1905             (compression == JPEG2000Compression))
1906           (void) CopyMagickString(buffer,"/DeviceRGB\n",MaxTextExtent);
1907         else
1908           (void) FormatLocaleString(buffer,MaxTextExtent,
1909             "[ /Indexed /DeviceRGB %.20g %.20g 0 R ]\n",(double) image->colors-
1910             1,(double) object+3);
1911     (void) WriteBlobString(image,buffer);
1912     (void) WriteBlobString(image,"endobj\n");
1913     /*
1914       Write Thumb object.
1915     */
1916     SetGeometry(image,&geometry);
1917     (void) ParseMetaGeometry("106x106+0+0>",&geometry.x,&geometry.y,
1918       &geometry.width,&geometry.height);
1919     tile_image=ThumbnailImage(image,geometry.width,geometry.height,exception);
1920     if (tile_image == (Image *) NULL)
1921       return(MagickFalse);
1922     xref[object++]=TellBlob(image);
1923     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
1924       object);
1925     (void) WriteBlobString(image,buffer);
1926     (void) WriteBlobString(image,"<<\n");
1927     switch (compression)
1928     {
1929       case NoCompression:
1930       {
1931         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"ASCII85Decode");
1932         break;
1933       }
1934       case JPEGCompression:
1935       {
1936         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"DCTDecode");
1937         if (image->colorspace != CMYKColorspace)
1938           break;
1939         (void) WriteBlobString(image,buffer);
1940         (void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
1941           MaxTextExtent);
1942         break;
1943       }
1944       case JPEG2000Compression:
1945       {
1946         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"JPXDecode");
1947         if (image->colorspace != CMYKColorspace)
1948           break;
1949         (void) WriteBlobString(image,buffer);
1950         (void) CopyMagickString(buffer,"/Decode [1 0 1 0 1 0 1 0]\n",
1951           MaxTextExtent);
1952         break;
1953       }
1954       case LZWCompression:
1955       {
1956         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"LZWDecode");
1957         break;
1958       }
1959       case ZipCompression:
1960       {
1961         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"FlateDecode");
1962         break;
1963       }
1964       case FaxCompression:
1965       case Group4Compression:
1966       {
1967         (void) CopyMagickString(buffer,"/Filter [ /CCITTFaxDecode ]\n",
1968           MaxTextExtent);
1969         (void) WriteBlobString(image,buffer);
1970         (void) FormatLocaleString(buffer,MaxTextExtent,"/DecodeParms [ << "
1971           "/K %s /BlackIs1 false /Columns %.20g /Rows %.20g >> ]\n",CCITTParam,
1972           (double) tile_image->columns,(double) tile_image->rows);
1973         break;
1974       }
1975       default:
1976       {
1977         (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
1978           "RunLengthDecode");
1979         break;
1980       }
1981     }
1982     (void) WriteBlobString(image,buffer);
1983     (void) FormatLocaleString(buffer,MaxTextExtent,"/Width %.20g\n",(double)
1984       tile_image->columns);
1985     (void) WriteBlobString(image,buffer);
1986     (void) FormatLocaleString(buffer,MaxTextExtent,"/Height %.20g\n",(double)
1987       tile_image->rows);
1988     (void) WriteBlobString(image,buffer);
1989     (void) FormatLocaleString(buffer,MaxTextExtent,"/ColorSpace %.20g 0 R\n",
1990       (double) object-1);
1991     (void) WriteBlobString(image,buffer);
1992     (void) FormatLocaleString(buffer,MaxTextExtent,"/BitsPerComponent %d\n",
1993       (compression == FaxCompression) || (compression == Group4Compression) ?
1994       1 : 8);
1995     (void) WriteBlobString(image,buffer);
1996     (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
1997       (double) object+1);
1998     (void) WriteBlobString(image,buffer);
1999     (void) WriteBlobString(image,">>\n");
2000     (void) WriteBlobString(image,"stream\n");
2001     offset=TellBlob(image);
2002     number_pixels=(MagickSizeType) tile_image->columns*tile_image->rows;
2003     if ((compression == FaxCompression) ||
2004         (compression == Group4Compression) ||
2005         ((image_info->type != TrueColorType) &&
2006          (IsImageGray(tile_image,exception) != MagickFalse)))
2007       {
2008         switch (compression)
2009         {
2010           case FaxCompression:
2011           case Group4Compression:
2012           {
2013             if (LocaleCompare(CCITTParam,"0") == 0)
2014               {
2015                 (void) HuffmanEncodeImage(image_info,image,tile_image);
2016                 break;
2017               }
2018             (void) Huffman2DEncodeImage(image_info,image,tile_image);
2019             break;
2020           }
2021           case JPEGCompression:
2022           {
2023             status=InjectImageBlob(image_info,image,tile_image,"jpeg",
2024               exception);
2025             if (status == MagickFalse)
2026               {
2027                 (void) CloseBlob(image);
2028                 return(MagickFalse);
2029               }
2030             break;
2031           }
2032           case JPEG2000Compression:
2033           {
2034             status=InjectImageBlob(image_info,image,tile_image,"jp2",exception);
2035             if (status == MagickFalse)
2036               {
2037                 (void) CloseBlob(image);
2038                 return(MagickFalse);
2039               }
2040             break;
2041           }
2042           case RLECompression:
2043           default:
2044           {
2045             /*
2046               Allocate pixel array.
2047             */
2048             length=(size_t) number_pixels;
2049             pixels=(unsigned char *) AcquireQuantumMemory(length,
2050               sizeof(*pixels));
2051             if (pixels == (unsigned char *) NULL)
2052               {
2053                 tile_image=DestroyImage(tile_image);
2054                 ThrowWriterException(ResourceLimitError,
2055                   "MemoryAllocationFailed");
2056               }
2057             /*
2058               Dump Runlength encoded pixels.
2059             */
2060             q=pixels;
2061             for (y=0; y < (ssize_t) tile_image->rows; y++)
2062             {
2063               p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2064                 exception);
2065               if (p == (const Quantum *) NULL)
2066                 break;
2067               for (x=0; x < (ssize_t) tile_image->columns; x++)
2068               {
2069                 *q++=ScaleQuantumToChar(GetPixelIntensity(tile_image,p));
2070                 p+=GetPixelChannels(tile_image);
2071               }
2072             }
2073 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2074             if (compression == ZipCompression)
2075               status=ZLIBEncodeImage(image,length,pixels);
2076             else
2077 #endif
2078               if (compression == LZWCompression)
2079                 status=LZWEncodeImage(image,length,pixels);
2080               else
2081                 status=PackbitsEncodeImage(image,length,pixels);
2082             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2083             if (status == MagickFalse)
2084               {
2085                 (void) CloseBlob(image);
2086                 return(MagickFalse);
2087               }
2088             break;
2089           }
2090           case NoCompression:
2091           {
2092             /*
2093               Dump uncompressed PseudoColor packets.
2094             */
2095             Ascii85Initialize(image);
2096             for (y=0; y < (ssize_t) tile_image->rows; y++)
2097             {
2098               p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2099                 exception);
2100               if (p == (const Quantum *) NULL)
2101                 break;
2102               for (x=0; x < (ssize_t) tile_image->columns; x++)
2103               {
2104                 Ascii85Encode(image,
2105                   ScaleQuantumToChar(GetPixelIntensity(tile_image,p)));
2106                 p+=GetPixelChannels(tile_image);
2107               }
2108             }
2109             Ascii85Flush(image);
2110             break;
2111           }
2112         }
2113       }
2114     else
2115       if ((tile_image->storage_class == DirectClass) ||
2116           (tile_image->colors > 256) || (compression == JPEGCompression) ||
2117           (compression == JPEG2000Compression))
2118         switch (compression)
2119         {
2120           case JPEGCompression:
2121           {
2122             status=InjectImageBlob(image_info,image,tile_image,"jpeg",
2123               exception);
2124             if (status == MagickFalse)
2125               {
2126                 (void) CloseBlob(image);
2127                 return(MagickFalse);
2128               }
2129             break;
2130           }
2131           case JPEG2000Compression:
2132           {
2133             status=InjectImageBlob(image_info,image,tile_image,"jp2",exception);
2134             if (status == MagickFalse)
2135               {
2136                 (void) CloseBlob(image);
2137                 return(MagickFalse);
2138               }
2139             break;
2140           }
2141           case RLECompression:
2142           default:
2143           {
2144             /*
2145               Allocate pixel array.
2146             */
2147             length=(size_t) number_pixels;
2148             pixels=(unsigned char *) AcquireQuantumMemory(length,4*
2149               sizeof(*pixels));
2150             length*=tile_image->colorspace == CMYKColorspace ? 4UL : 3UL;
2151             if (pixels == (unsigned char *) NULL)
2152               {
2153                 tile_image=DestroyImage(tile_image);
2154                 ThrowWriterException(ResourceLimitError,
2155                   "MemoryAllocationFailed");
2156               }
2157             /*
2158               Dump runoffset encoded pixels.
2159             */
2160             q=pixels;
2161             for (y=0; y < (ssize_t) tile_image->rows; y++)
2162             {
2163               p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2164                 exception);
2165               if (p == (const Quantum *) NULL)
2166                 break;
2167               for (x=0; x < (ssize_t) tile_image->columns; x++)
2168               {
2169                 *q++=ScaleQuantumToChar(GetPixelRed(tile_image,p));
2170                 *q++=ScaleQuantumToChar(GetPixelGreen(tile_image,p));
2171                 *q++=ScaleQuantumToChar(GetPixelBlue(tile_image,p));
2172                 if (image->colorspace == CMYKColorspace)
2173                   *q++=ScaleQuantumToChar(GetPixelBlack(tile_image,p));
2174                 p+=GetPixelChannels(tile_image);
2175               }
2176             }
2177 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2178             if (compression == ZipCompression)
2179               status=ZLIBEncodeImage(image,length,pixels);
2180             else
2181 #endif
2182               if (compression == LZWCompression)
2183                 status=LZWEncodeImage(image,length,pixels);
2184               else
2185                 status=PackbitsEncodeImage(image,length,pixels);
2186             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2187             if (status == MagickFalse)
2188               {
2189                 (void) CloseBlob(image);
2190                 return(MagickFalse);
2191               }
2192             break;
2193           }
2194           case NoCompression:
2195           {
2196             /*
2197               Dump uncompressed DirectColor packets.
2198             */
2199             Ascii85Initialize(image);
2200             for (y=0; y < (ssize_t) tile_image->rows; y++)
2201             {
2202               p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2203                 exception);
2204               if (p == (const Quantum *) NULL)
2205                 break;
2206               for (x=0; x < (ssize_t) tile_image->columns; x++)
2207               {
2208                 Ascii85Encode(image,ScaleQuantumToChar(
2209                   GetPixelRed(tile_image,p)));
2210                 Ascii85Encode(image,ScaleQuantumToChar(
2211                   GetPixelGreen(tile_image,p)));
2212                 Ascii85Encode(image,ScaleQuantumToChar(
2213                   GetPixelBlue(tile_image,p)));
2214                 if (image->colorspace == CMYKColorspace)
2215                   Ascii85Encode(image,ScaleQuantumToChar(
2216                     GetPixelBlack(tile_image,p)));
2217                 p+=GetPixelChannels(tile_image);
2218               }
2219             }
2220             Ascii85Flush(image);
2221             break;
2222           }
2223         }
2224       else
2225         {
2226           /*
2227             Dump number of colors and colormap.
2228           */
2229           switch (compression)
2230           {
2231             case RLECompression:
2232             default:
2233             {
2234               /*
2235                 Allocate pixel array.
2236               */
2237               length=(size_t) number_pixels;
2238               pixels=(unsigned char *) AcquireQuantumMemory(length,
2239                 sizeof(*pixels));
2240               if (pixels == (unsigned char *) NULL)
2241                 {
2242                   tile_image=DestroyImage(tile_image);
2243                   ThrowWriterException(ResourceLimitError,
2244                     "MemoryAllocationFailed");
2245                 }
2246               /*
2247                 Dump Runlength encoded pixels.
2248               */
2249               q=pixels;
2250               for (y=0; y < (ssize_t) tile_image->rows; y++)
2251               {
2252                 p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2253                   exception);
2254                 if (p == (const Quantum *) NULL)
2255                   break;
2256                 for (x=0; x < (ssize_t) tile_image->columns; x++)
2257                 {
2258                   *q++=(unsigned char) GetPixelIndex(tile_image,p);
2259                   q+=GetPixelChannels(image);
2260                 }
2261               }
2262 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2263               if (compression == ZipCompression)
2264                 status=ZLIBEncodeImage(image,length,pixels);
2265               else
2266 #endif
2267                 if (compression == LZWCompression)
2268                   status=LZWEncodeImage(image,length,pixels);
2269                 else
2270                   status=PackbitsEncodeImage(image,length,pixels);
2271               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2272               if (status == MagickFalse)
2273                 {
2274                   (void) CloseBlob(image);
2275                   return(MagickFalse);
2276                 }
2277               break;
2278             }
2279             case NoCompression:
2280             {
2281               /*
2282                 Dump uncompressed PseudoColor packets.
2283               */
2284               Ascii85Initialize(image);
2285               for (y=0; y < (ssize_t) tile_image->rows; y++)
2286               {
2287                 p=GetVirtualPixels(tile_image,0,y,tile_image->columns,1,
2288                   exception);
2289                 if (p == (const Quantum *) NULL)
2290                   break;
2291                 for (x=0; x < (ssize_t) tile_image->columns; x++)
2292                 {
2293                   Ascii85Encode(image,(unsigned char)
2294                     GetPixelIndex(tile_image,p));
2295                   p+=GetPixelChannels(image);
2296                 }
2297               }
2298               Ascii85Flush(image);
2299               break;
2300             }
2301           }
2302         }
2303     tile_image=DestroyImage(tile_image);
2304     offset=TellBlob(image)-offset;
2305     (void) WriteBlobString(image,"\nendstream\n");
2306     (void) WriteBlobString(image,"endobj\n");
2307     /*
2308       Write Length object.
2309     */
2310     xref[object++]=TellBlob(image);
2311     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2312       object);
2313     (void) WriteBlobString(image,buffer);
2314     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double) offset);
2315     (void) WriteBlobString(image,buffer);
2316     (void) WriteBlobString(image,"endobj\n");
2317     xref[object++]=TellBlob(image);
2318     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2319       object);
2320     (void) WriteBlobString(image,buffer);
2321     if ((image->storage_class != DirectClass) && (image->colors <= 256) &&
2322         (compression != FaxCompression) && (compression != Group4Compression))
2323       {
2324         /*
2325           Write Colormap object.
2326         */
2327         (void) WriteBlobString(image,"<<\n");
2328         if (compression == NoCompression)
2329           (void) WriteBlobString(image,"/Filter [ /ASCII85Decode ]\n");
2330         (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
2331           (double) object+1);
2332         (void) WriteBlobString(image,buffer);
2333         (void) WriteBlobString(image,">>\n");
2334         (void) WriteBlobString(image,"stream\n");
2335         offset=TellBlob(image);
2336         if (compression == NoCompression)
2337           Ascii85Initialize(image);
2338         for (i=0; i < (ssize_t) image->colors; i++)
2339         {
2340           if (compression == NoCompression)
2341             {
2342               Ascii85Encode(image,ScaleQuantumToChar(image->colormap[i].red));
2343               Ascii85Encode(image,ScaleQuantumToChar(image->colormap[i].green));
2344               Ascii85Encode(image,ScaleQuantumToChar(image->colormap[i].blue));
2345               continue;
2346             }
2347           (void) WriteBlobByte(image,
2348             ScaleQuantumToChar(image->colormap[i].red));
2349           (void) WriteBlobByte(image,
2350             ScaleQuantumToChar(image->colormap[i].green));
2351           (void) WriteBlobByte(image,
2352             ScaleQuantumToChar(image->colormap[i].blue));
2353         }
2354         if (compression == NoCompression)
2355           Ascii85Flush(image);
2356        offset=TellBlob(image)-offset;
2357        (void) WriteBlobString(image,"\nendstream\n");
2358       }
2359     (void) WriteBlobString(image,"endobj\n");
2360     /*
2361       Write Length object.
2362     */
2363     xref[object++]=TellBlob(image);
2364     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2365       object);
2366     (void) WriteBlobString(image,buffer);
2367     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double)
2368       offset);
2369     (void) WriteBlobString(image,buffer);
2370     (void) WriteBlobString(image,"endobj\n");
2371     /*
2372       Write softmask object.
2373     */
2374     xref[object++]=TellBlob(image);
2375     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2376       object);
2377     (void) WriteBlobString(image,buffer);
2378     (void) WriteBlobString(image,"<<\n");
2379     if (image->matte == MagickFalse)
2380       (void) WriteBlobString(image,">>\n");
2381     else
2382       {
2383         (void) WriteBlobString(image,"/Type /XObject\n");
2384         (void) WriteBlobString(image,"/Subtype /Image\n");
2385         (void) FormatLocaleString(buffer,MaxTextExtent,"/Name /Ma%.20g\n",
2386           (double) image->scene);
2387         (void) WriteBlobString(image,buffer);
2388         switch (compression)
2389         {
2390           case NoCompression:
2391           {
2392             (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
2393               "ASCII85Decode");
2394             break;
2395           }
2396           case LZWCompression:
2397           {
2398             (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,"LZWDecode");
2399             break;
2400           }
2401           case ZipCompression:
2402           {
2403             (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
2404               "FlateDecode");
2405             break;
2406           }
2407           default:
2408           {
2409             (void) FormatLocaleString(buffer,MaxTextExtent,CFormat,
2410               "RunLengthDecode");
2411             break;
2412           }
2413         }
2414         (void) WriteBlobString(image,buffer);
2415         (void) FormatLocaleString(buffer,MaxTextExtent,"/Width %.20g\n",
2416           (double) image->columns);
2417         (void) WriteBlobString(image,buffer);
2418         (void) FormatLocaleString(buffer,MaxTextExtent,"/Height %.20g\n",
2419           (double) image->rows);
2420         (void) WriteBlobString(image,buffer);
2421         (void) WriteBlobString(image,"/ColorSpace /DeviceGray\n");
2422         (void) FormatLocaleString(buffer,MaxTextExtent,"/BitsPerComponent %d\n",
2423           (compression == FaxCompression) || (compression == Group4Compression)
2424           ? 1 : 8);
2425         (void) WriteBlobString(image,buffer);
2426         (void) FormatLocaleString(buffer,MaxTextExtent,"/Length %.20g 0 R\n",
2427           (double) object+1);
2428         (void) WriteBlobString(image,buffer);
2429         (void) WriteBlobString(image,">>\n");
2430         (void) WriteBlobString(image,"stream\n");
2431         offset=TellBlob(image);
2432         number_pixels=(MagickSizeType) image->columns*image->rows;
2433         switch (compression)
2434         {
2435           case RLECompression:
2436           default:
2437           {
2438             /*
2439               Allocate pixel array.
2440             */
2441             length=(size_t) number_pixels;
2442             pixels=(unsigned char *) AcquireQuantumMemory(length,
2443               sizeof(*pixels));
2444             if (pixels == (unsigned char *) NULL)
2445               {
2446                 image=DestroyImage(image);
2447                 ThrowWriterException(ResourceLimitError,
2448                   "MemoryAllocationFailed");
2449               }
2450             /*
2451               Dump Runlength encoded pixels.
2452             */
2453             q=pixels;
2454             for (y=0; y < (ssize_t) image->rows; y++)
2455             {
2456               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
2457               if (p == (const Quantum *) NULL)
2458                 break;
2459               for (x=0; x < (ssize_t) image->columns; x++)
2460               {
2461                 *q++=ScaleQuantumToChar(GetPixelAlpha(image,p));
2462                 p+=GetPixelChannels(image);
2463               }
2464             }
2465 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2466             if (compression == ZipCompression)
2467               status=ZLIBEncodeImage(image,length,pixels);
2468             else
2469 #endif
2470               if (compression == LZWCompression)
2471                 status=LZWEncodeImage(image,length,pixels);
2472               else
2473                 status=PackbitsEncodeImage(image,length,pixels);
2474             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
2475             if (status == MagickFalse)
2476               {
2477                 (void) CloseBlob(image);
2478                 return(MagickFalse);
2479               }
2480             break;
2481           }
2482           case NoCompression:
2483           {
2484             /*
2485               Dump uncompressed PseudoColor packets.
2486             */
2487             Ascii85Initialize(image);
2488             for (y=0; y < (ssize_t) image->rows; y++)
2489             {
2490               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
2491               if (p == (const Quantum *) NULL)
2492                 break;
2493               for (x=0; x < (ssize_t) image->columns; x++)
2494               {
2495                 Ascii85Encode(image,ScaleQuantumToChar(GetPixelAlpha(image,p)));
2496                 p+=GetPixelChannels(image);
2497               }
2498             }
2499             Ascii85Flush(image);
2500             break;
2501           }
2502         }
2503         offset=TellBlob(image)-offset;
2504         (void) WriteBlobString(image,"\nendstream\n");
2505       }
2506     (void) WriteBlobString(image,"endobj\n");
2507     /*
2508       Write Length object.
2509     */
2510     xref[object++]=TellBlob(image);
2511     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2512       object);
2513     (void) WriteBlobString(image,buffer);
2514     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double) offset);
2515     (void) WriteBlobString(image,buffer);
2516     (void) WriteBlobString(image,"endobj\n");
2517     if (GetNextImageInList(image) == (Image *) NULL)
2518       break;
2519     image=SyncNextImageInList(image);
2520     status=SetImageProgress(image,SaveImagesTag,scene++,
2521       GetImageListLength(image));
2522     if (status == MagickFalse)
2523       break;
2524   } while (image_info->adjoin != MagickFalse);
2525   /*
2526     Write Metadata object.
2527   */
2528   xref[object++]=TellBlob(image);
2529   info_id=object;
2530   (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g 0 obj\n",(double)
2531     object);
2532   (void) WriteBlobString(image,buffer);
2533   (void) WriteBlobString(image,"<<\n");
2534   GetPathComponent(image->filename,BasePath,basename);
2535   (void) FormatLocaleString(buffer,MaxTextExtent,"/Title (%s)\n",
2536     EscapeParenthesis(basename));
2537   (void) WriteBlobString(image,buffer);
2538   seconds=time((time_t *) NULL);
2539 #if defined(MAGICKCORE_HAVE_LOCALTIME_R)
2540   (void) localtime_r(&seconds,&local_time);
2541 #else
2542   (void) memcpy(&local_time,localtime(&seconds),sizeof(local_time));
2543 #endif
2544   (void) FormatLocaleString(date,MaxTextExtent,"D:%04d%02d%02d%02d%02d%02d",
2545     local_time.tm_year+1900,local_time.tm_mon+1,local_time.tm_mday,
2546     local_time.tm_hour,local_time.tm_min,local_time.tm_sec);
2547   (void) FormatLocaleString(buffer,MaxTextExtent,"/CreationDate (%s)\n",date);
2548   (void) WriteBlobString(image,buffer);
2549   (void) FormatLocaleString(buffer,MaxTextExtent,"/ModDate (%s)\n",date);
2550   (void) WriteBlobString(image,buffer);
2551   (void) FormatLocaleString(buffer,MaxTextExtent,"/Producer (%s)\n",
2552     EscapeParenthesis(GetMagickVersion((size_t *) NULL)));
2553   (void) WriteBlobString(image,buffer);
2554   (void) WriteBlobString(image,">>\n");
2555   (void) WriteBlobString(image,"endobj\n");
2556   /*
2557     Write Xref object.
2558   */
2559   offset=TellBlob(image)-xref[0]+10;
2560   (void) WriteBlobString(image,"xref\n");
2561   (void) FormatLocaleString(buffer,MaxTextExtent,"0 %.20g\n",(double)
2562     object+1);
2563   (void) WriteBlobString(image,buffer);
2564   (void) WriteBlobString(image,"0000000000 65535 f \n");
2565   for (i=0; i < (ssize_t) object; i++)
2566   {
2567     (void) FormatLocaleString(buffer,MaxTextExtent,"%010lu 00000 n \n",
2568       (unsigned long) xref[i]);
2569     (void) WriteBlobString(image,buffer);
2570   }
2571   (void) WriteBlobString(image,"trailer\n");
2572   (void) WriteBlobString(image,"<<\n");
2573   (void) FormatLocaleString(buffer,MaxTextExtent,"/Size %.20g\n",(double)
2574     object+1);
2575   (void) WriteBlobString(image,buffer);
2576   (void) FormatLocaleString(buffer,MaxTextExtent,"/Info %.20g 0 R\n",(double)
2577     info_id);
2578   (void) WriteBlobString(image,buffer);
2579   (void) FormatLocaleString(buffer,MaxTextExtent,"/Root %.20g 0 R\n",(double)
2580     root_id);
2581   (void) WriteBlobString(image,buffer);
2582   (void) WriteBlobString(image,">>\n");
2583   (void) WriteBlobString(image,"startxref\n");
2584   (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double) offset);
2585   (void) WriteBlobString(image,buffer);
2586   (void) WriteBlobString(image,"%%EOF\n");
2587   xref=(MagickOffsetType *) RelinquishMagickMemory(xref);
2588   (void) CloseBlob(image);
2589   return(MagickTrue);
2590 }