granicus.if.org Git - imagemagick/blob - coders/ps2.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %                            PPPP   SSSSS  22222                              %
   7 %                            P   P  SS        22                              %
   8 %                            PPPP    SSS    222                               %
   9 %                            P         SS  22                                 %
  10 %                            P      SSSSS  22222                              %
  11 %                                                                             %
  12 %                                                                             %
  13 %                      Write Postscript Level II Format                       %
  14 %                                                                             %
  15 %                              Software Design                                %
  16 %                                John Cristy                                  %
  17 %                                 July 1992                                   %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2012 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/compress.h"
  50 #include "MagickCore/constitute.h"
  51 #include "MagickCore/draw.h"
  52 #include "MagickCore/exception.h"
  53 #include "MagickCore/exception-private.h"
  54 #include "MagickCore/geometry.h"
  55 #include "MagickCore/image.h"
  56 #include "MagickCore/image-private.h"
  57 #include "MagickCore/list.h"
  58 #include "MagickCore/magick.h"
  59 #include "MagickCore/memory_.h"
  60 #include "MagickCore/monitor.h"
  61 #include "MagickCore/monitor-private.h"
  62 #include "MagickCore/monitor-private.h"
  63 #include "MagickCore/option.h"
  64 #include "MagickCore/pixel-accessor.h"
  65 #include "MagickCore/property.h"
  66 #include "MagickCore/quantum-private.h"
  67 #include "MagickCore/resource_.h"
  68 #include "MagickCore/static.h"
  69 #include "MagickCore/string_.h"
  70 #include "MagickCore/module.h"
  71 #include "MagickCore/utility.h"
  72 \f
  73 /*
  74   Define declarations.
  75 */
  76 #if defined(MAGICKCORE_TIFF_DELEGATE)
  77 #define CCITTParam  "-1"
  78 #else
  79 #define CCITTParam  "0"
  80 #endif
  81 \f
  82 /*
  83   Forward declarations.
  84 */
  85 static MagickBooleanType
  86   WritePS2Image(const ImageInfo *,Image *,ExceptionInfo *);
  87 \f
  88 /*
  89 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  90 %                                                                             %
  91 %                                                                             %
  92 %                                                                             %
  93 %   R e g i s t e r P S 2 I m a g e                                           %
  94 %                                                                             %
  95 %                                                                             %
  96 %                                                                             %
  97 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  98 %
  99 %  RegisterPS2Image() adds properties for the PS2 image format to
 100 %  the list of supported formats.  The properties include the image format
 101 %  tag, a method to read and/or write the format, whether the format
 102 %  supports the saving of more than one frame to the same file or blob,
 103 %  whether the format supports native in-memory I/O, and a brief
 104 %  description of the format.
 105 %
 106 %  The format of the RegisterPS2Image method is:
 107 %
 108 %      size_t RegisterPS2Image(void)
 109 %
 110 */
 111 ModuleExport size_t RegisterPS2Image(void)
 112 {
 113   MagickInfo
 114     *entry;
 115
 116   entry=SetMagickInfo("EPS2");
 117   entry->encoder=(EncodeImageHandler *) WritePS2Image;
 118   entry->adjoin=MagickFalse;
 119   entry->seekable_stream=MagickTrue;
 120   entry->description=ConstantString("Level II Encapsulated PostScript");
 121   entry->module=ConstantString("PS2");
 122   (void) RegisterMagickInfo(entry);
 123   entry=SetMagickInfo("PS2");
 124   entry->encoder=(EncodeImageHandler *) WritePS2Image;
 125   entry->seekable_stream=MagickTrue;
 126   entry->description=ConstantString("Level II PostScript");
 127   entry->module=ConstantString("PS2");
 128   (void) RegisterMagickInfo(entry);
 129   return(MagickImageCoderSignature);
 130 }
 131 \f
 132 /*
 133 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 134 %                                                                             %
 135 %                                                                             %
 136 %                                                                             %
 137 %   U n r e g i s t e r P S 2 I m a g e                                       %
 138 %                                                                             %
 139 %                                                                             %
 140 %                                                                             %
 141 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 142 %
 143 %  UnregisterPS2Image() removes format registrations made by the
 144 %  PS2 module from the list of supported formats.
 145 %
 146 %  The format of the UnregisterPS2Image method is:
 147 %
 148 %      UnregisterPS2Image(void)
 149 %
 150 */
 151 ModuleExport void UnregisterPS2Image(void)
 152 {
 153   (void) UnregisterMagickInfo("EPS2");
 154   (void) UnregisterMagickInfo("PS2");
 155 }
 156 \f
 157 /*
 158 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 159 %                                                                             %
 160 %                                                                             %
 161 %                                                                             %
 162 %   W r i t e P S 2 I m a g e                                                 %
 163 %                                                                             %
 164 %                                                                             %
 165 %                                                                             %
 166 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 167 %
 168 %  WritePS2Image translates an image to encapsulated Postscript
 169 %  Level II for printing.  If the supplied geometry is null, the image is
 170 %  centered on the Postscript page.  Otherwise, the image is positioned as
 171 %  specified by the geometry.
 172 %
 173 %  The format of the WritePS2Image method is:
 174 %
 175 %      MagickBooleanType WritePS2Image(const ImageInfo *image_info,
 176 %        Image *image,ExceptionInfo *exception)
 177 %
 178 %  A description of each parameter follows:
 179 %
 180 %    o image_info: the image info.
 181 %
 182 %    o image: the image.
 183 %
 184 %    o exception: return any errors or warnings in this structure.
 185 %
 186 */
 187
 188 static MagickBooleanType Huffman2DEncodeImage(const ImageInfo *image_info,
 189   Image *image,Image *inject_image,ExceptionInfo *exception)
 190 {
 191   Image
 192     *group4_image;
 193
 194   ImageInfo
 195     *write_info;
 196
 197   MagickBooleanType
 198     status;
 199
 200   size_t
 201     length;
 202
 203   unsigned char
 204     *group4;
 205
 206   status=MagickTrue;
 207   write_info=CloneImageInfo(image_info);
 208   (void) CopyMagickString(write_info->filename,"GROUP4:",MaxTextExtent);
 209   (void) CopyMagickString(write_info->magick,"GROUP4",MaxTextExtent);
 210   group4_image=CloneImage(inject_image,0,0,MagickTrue,exception);
 211   if (group4_image == (Image *) NULL)
 212     return(MagickFalse);
 213   group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
 214     exception);
 215   group4_image=DestroyImage(group4_image);
 216   if (group4 == (unsigned char *) NULL)
 217     return(MagickFalse);
 218   write_info=DestroyImageInfo(write_info);
 219   if (WriteBlob(image,length,group4) != (ssize_t) length)
 220     status=MagickFalse;
 221   group4=(unsigned char *) RelinquishMagickMemory(group4);
 222   return(status);
 223 }
 224
 225 static MagickBooleanType WritePS2Image(const ImageInfo *image_info,Image *image,
 226   ExceptionInfo *exception)
 227 {
 228   static const char
 229     *PostscriptProlog[]=
 230     {
 231       "%%%%BeginProlog",
 232       "%%",
 233       "%% Display a color image.  The image is displayed in color on",
 234       "%% Postscript viewers or printers that support color, otherwise",
 235       "%% it is displayed as grayscale.",
 236       "%%",
 237       "/DirectClassImage",
 238       "{",
 239       "  %%",
 240       "  %% Display a DirectClass image.",
 241       "  %%",
 242       "  colorspace 0 eq",
 243       "  {",
 244       "    /DeviceRGB setcolorspace",
 245       "    <<",
 246       "      /ImageType 1",
 247       "      /Width columns",
 248       "      /Height rows",
 249       "      /BitsPerComponent 8",
 250       "      /Decode [0 1 0 1 0 1]",
 251       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 252       "      compression 0 gt",
 253       "      { /DataSource pixel_stream %s }",
 254       "      { /DataSource pixel_stream %s } ifelse",
 255       "    >> image",
 256       "  }",
 257       "  {",
 258       "    /DeviceCMYK setcolorspace",
 259       "    <<",
 260       "      /ImageType 1",
 261       "      /Width columns",
 262       "      /Height rows",
 263       "      /BitsPerComponent 8",
 264       "      /Decode [1 0 1 0 1 0 1 0]",
 265       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 266       "      compression 0 gt",
 267       "      { /DataSource pixel_stream %s }",
 268       "      { /DataSource pixel_stream %s } ifelse",
 269       "    >> image",
 270       "  } ifelse",
 271       "} bind def",
 272       "",
 273       "/PseudoClassImage",
 274       "{",
 275       "  %%",
 276       "  %% Display a PseudoClass image.",
 277       "  %%",
 278       "  %% Parameters:",
 279       "  %%   colors: number of colors in the colormap.",
 280       "  %%",
 281       "  currentfile buffer readline pop",
 282       "  token pop /colors exch def pop",
 283       "  colors 0 eq",
 284       "  {",
 285       "    %%",
 286       "    %% Image is grayscale.",
 287       "    %%",
 288       "    currentfile buffer readline pop",
 289       "    token pop /bits exch def pop",
 290       "    /DeviceGray setcolorspace",
 291       "    <<",
 292       "      /ImageType 1",
 293       "      /Width columns",
 294       "      /Height rows",
 295       "      /BitsPerComponent bits",
 296       "      /Decode [0 1]",
 297       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 298       "      compression 0 gt",
 299       "      { /DataSource pixel_stream %s }",
 300       "      {",
 301       "        /DataSource pixel_stream %s",
 302       "        <<",
 303       "           /K "CCITTParam,
 304       "           /Columns columns",
 305       "           /Rows rows",
 306       "        >> /CCITTFaxDecode filter",
 307       "      } ifelse",
 308       "    >> image",
 309       "  }",
 310       "  {",
 311       "    %%",
 312       "    %% Parameters:",
 313       "    %%   colormap: red, green, blue color packets.",
 314       "    %%",
 315       "    /colormap colors 3 mul string def",
 316       "    currentfile colormap readhexstring pop pop",
 317       "    currentfile buffer readline pop",
 318       "    [ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace",
 319       "    <<",
 320       "      /ImageType 1",
 321       "      /Width columns",
 322       "      /Height rows",
 323       "      /BitsPerComponent 8",
 324       "      /Decode [0 255]",
 325       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 326       "      compression 0 gt",
 327       "      { /DataSource pixel_stream %s }",
 328       "      { /DataSource pixel_stream %s } ifelse",
 329       "    >> image",
 330       "  } ifelse",
 331       "} bind def",
 332       "",
 333       "/DisplayImage",
 334       "{",
 335       "  %%",
 336       "  %% Display a DirectClass or PseudoClass image.",
 337       "  %%",
 338       "  %% Parameters:",
 339       "  %%   x & y translation.",
 340       "  %%   x & y scale.",
 341       "  %%   label pointsize.",
 342       "  %%   image label.",
 343       "  %%   image columns & rows.",
 344       "  %%   class: 0-DirectClass or 1-PseudoClass.",
 345       "  %%   colorspace: 0-RGB or 1-CMYK.",
 346       "  %%   compression: 0-RLECompression or 1-NoCompression.",
 347       "  %%   hex color packets.",
 348       "  %%",
 349       "  gsave",
 350       "  /buffer 512 string def",
 351       "  /pixel_stream currentfile def",
 352       "",
 353       "  currentfile buffer readline pop",
 354       "  token pop /x exch def",
 355       "  token pop /y exch def pop",
 356       "  x y translate",
 357       "  currentfile buffer readline pop",
 358       "  token pop /x exch def",
 359       "  token pop /y exch def pop",
 360       "  currentfile buffer readline pop",
 361       "  token pop /pointsize exch def pop",
 362       "  /Helvetica findfont pointsize scalefont setfont",
 363       (char *) NULL
 364     },
 365     *PostscriptEpilog[]=
 366     {
 367       "  x y scale",
 368       "  currentfile buffer readline pop",
 369       "  token pop /columns exch def",
 370       "  token pop /rows exch def pop",
 371       "  currentfile buffer readline pop",
 372       "  token pop /class exch def pop",
 373       "  currentfile buffer readline pop",
 374       "  token pop /colorspace exch def pop",
 375       "  currentfile buffer readline pop",
 376       "  token pop /compression exch def pop",
 377       "  class 0 gt { PseudoClassImage } { DirectClassImage } ifelse",
 378       "  grestore",
 379       (char *) NULL
 380     };
 381
 382   char
 383     buffer[MaxTextExtent],
 384     date[MaxTextExtent],
 385     page_geometry[MaxTextExtent],
 386     **labels;
 387
 388   CompressionType
 389     compression;
 390
 391   const char
 392     **q,
 393     *value;
 394
 395   double
 396     pointsize;
 397
 398   GeometryInfo
 399     geometry_info;
 400
 401   MagickOffsetType
 402     scene,
 403     start,
 404     stop;
 405
 406   MagickBooleanType
 407     progress,
 408     status;
 409
 410   MagickOffsetType
 411     offset;
 412
 413   MagickSizeType
 414     number_pixels;
 415
 416   MagickStatusType
 417     flags;
 418
 419   PointInfo
 420     delta,
 421     resolution,
 422     scale;
 423
 424   RectangleInfo
 425     geometry,
 426     media_info,
 427     page_info;
 428
 429   register const Quantum
 430     *p;
 431
 432   register ssize_t
 433     x;
 434
 435   register ssize_t
 436     i;
 437
 438   SegmentInfo
 439     bounds;
 440
 441   size_t
 442     length,
 443     page,
 444     text_size;
 445
 446   ssize_t
 447     j,
 448     y;
 449
 450   time_t
 451     timer;
 452
 453   unsigned char
 454     *pixels;
 455
 456   /*
 457     Open output image file.
 458   */
 459   assert(image_info != (const ImageInfo *) NULL);
 460   assert(image_info->signature == MagickSignature);
 461   assert(image != (Image *) NULL);
 462   assert(image->signature == MagickSignature);
 463   if (image->debug != MagickFalse)
 464     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 465   assert(exception != (ExceptionInfo *) NULL);
 466   assert(exception->signature == MagickSignature);
 467   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
 468   if (status == MagickFalse)
 469     return(status);
 470   compression=image->compression;
 471   if (image_info->compression != UndefinedCompression)
 472     compression=image_info->compression;
 473   switch (compression)
 474   {
 475 #if !defined(MAGICKCORE_JPEG_DELEGATE)
 476     case JPEGCompression:
 477     {
 478       compression=RLECompression;
 479       (void) ThrowMagickException(exception,GetMagickModule(),
 480         MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
 481         image->filename);
 482       break;
 483     }
 484 #endif
 485     default:
 486       break;
 487   }
 488   (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
 489   page=1;
 490   scene=0;
 491   do
 492   {
 493     /*
 494       Scale relative to dots-per-inch.
 495     */
 496     delta.x=DefaultResolution;
 497     delta.y=DefaultResolution;
 498     resolution.x=image->resolution.x;
 499     resolution.y=image->resolution.y;
 500     if ((resolution.x == 0.0) || (resolution.y == 0.0))
 501       {
 502         flags=ParseGeometry(PSDensityGeometry,&geometry_info);
 503         resolution.x=geometry_info.rho;
 504         resolution.y=geometry_info.sigma;
 505         if ((flags & SigmaValue) == 0)
 506           resolution.y=resolution.x;
 507       }
 508     if (image_info->density != (char *) NULL)
 509       {
 510         flags=ParseGeometry(image_info->density,&geometry_info);
 511         resolution.x=geometry_info.rho;
 512         resolution.y=geometry_info.sigma;
 513         if ((flags & SigmaValue) == 0)
 514           resolution.y=resolution.x;
 515       }
 516     if (image->units == PixelsPerCentimeterResolution)
 517       {
 518         resolution.x=(size_t) (100.0*2.54*resolution.x+0.5)/100.0;
 519         resolution.y=(size_t) (100.0*2.54*resolution.y+0.5)/100.0;
 520       }
 521     SetGeometry(image,&geometry);
 522     (void) FormatLocaleString(page_geometry,MaxTextExtent,"%.20gx%.20g",
 523       (double) image->columns,(double) image->rows);
 524     if (image_info->page != (char *) NULL)
 525       (void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
 526     else
 527       if ((image->page.width != 0) && (image->page.height != 0))
 528         (void) FormatLocaleString(page_geometry,MaxTextExtent,
 529           "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double)
 530           image->page.height,(double) image->page.x,(double) image->page.y);
 531       else
 532         if ((image->gravity != UndefinedGravity) &&
 533             (LocaleCompare(image_info->magick,"PS") == 0))
 534           (void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
 535     (void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
 536     (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
 537       &geometry.width,&geometry.height);
 538     scale.x=(double) (geometry.width*delta.x)/resolution.x;
 539     geometry.width=(size_t) floor(scale.x+0.5);
 540     scale.y=(double) (geometry.height*delta.y)/resolution.y;
 541     geometry.height=(size_t) floor(scale.y+0.5);
 542     (void) ParseAbsoluteGeometry(page_geometry,&media_info);
 543     (void) ParseGravityGeometry(image,page_geometry,&page_info,exception);
 544     if (image->gravity != UndefinedGravity)
 545       {
 546         geometry.x=(-page_info.x);
 547         geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
 548       }
 549     pointsize=12.0;
 550     if (image_info->pointsize != 0.0)
 551       pointsize=image_info->pointsize;
 552     text_size=0;
 553     value=GetImageProperty(image,"label",exception);
 554     if (value != (const char *) NULL)
 555       text_size=(size_t) (MultilineCensus(value)*pointsize+12);
 556     if (page == 1)
 557       {
 558         /*
 559           Output Postscript header.
 560         */
 561         if (LocaleCompare(image_info->magick,"PS2") == 0)
 562           (void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MaxTextExtent);
 563         else
 564           (void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
 565             MaxTextExtent);
 566         (void) WriteBlobString(image,buffer);
 567         (void) WriteBlobString(image,"%%Creator: (ImageMagick)\n");
 568         (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Title: (%s)\n",
 569           image->filename);
 570         (void) WriteBlobString(image,buffer);
 571         timer=time((time_t *) NULL);
 572         (void) FormatMagickTime(timer,MaxTextExtent,date);
 573         (void) FormatLocaleString(buffer,MaxTextExtent,
 574           "%%%%CreationDate: (%s)\n",date);
 575         (void) WriteBlobString(image,buffer);
 576         bounds.x1=(double) geometry.x;
 577         bounds.y1=(double) geometry.y;
 578         bounds.x2=(double) geometry.x+geometry.width;
 579         bounds.y2=(double) geometry.y+geometry.height+text_size;
 580         if ((image_info->adjoin != MagickFalse) &&
 581             (GetNextImageInList(image) != (Image *) NULL))
 582           (void) CopyMagickString(buffer,"%%BoundingBox: (atend)\n",
 583             MaxTextExtent);
 584         else
 585           {
 586             (void) FormatLocaleString(buffer,MaxTextExtent,
 587               "%%%%BoundingBox: %.20g %.20g %.20g %.20g\n",ceil(bounds.x1-0.5),
 588               ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
 589             (void) WriteBlobString(image,buffer);
 590             (void) FormatLocaleString(buffer,MaxTextExtent,
 591               "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,
 592               bounds.y1,bounds.x2,bounds.y2);
 593           }
 594         (void) WriteBlobString(image,buffer);
 595         value=GetImageProperty(image,"label",exception);
 596         if (value != (const char *) NULL)
 597           (void) WriteBlobString(image,
 598             "%%DocumentNeededResources: font Helvetica\n");
 599         (void) WriteBlobString(image,"%%LanguageLevel: 2\n");
 600         if (LocaleCompare(image_info->magick,"PS2") != 0)
 601           (void) WriteBlobString(image,"%%Pages: 1\n");
 602         else
 603           {
 604             (void) WriteBlobString(image,"%%Orientation: Portrait\n");
 605             (void) WriteBlobString(image,"%%PageOrder: Ascend\n");
 606             if (image_info->adjoin == MagickFalse)
 607               (void) CopyMagickString(buffer,"%%Pages: 1\n",MaxTextExtent);
 608             else
 609               (void) FormatLocaleString(buffer,MaxTextExtent,
 610                 "%%%%Pages: %.20g\n",(double) GetImageListLength(image));
 611             (void) WriteBlobString(image,buffer);
 612           }
 613         (void) WriteBlobString(image,"%%EndComments\n");
 614         (void) WriteBlobString(image,"\n%%BeginDefaults\n");
 615         (void) WriteBlobString(image,"%%EndDefaults\n\n");
 616         /*
 617           Output Postscript commands.
 618         */
 619         for (q=PostscriptProlog; *q; q++)
 620         {
 621           switch (compression)
 622           {
 623             case NoCompression:
 624             {
 625               (void) FormatLocaleString(buffer,MaxTextExtent,*q,
 626                 "/ASCII85Decode filter");
 627               break;
 628             }
 629             case JPEGCompression:
 630             {
 631               (void) FormatLocaleString(buffer,MaxTextExtent,*q,
 632                 "/DCTDecode filter");
 633               break;
 634             }
 635             case LZWCompression:
 636             {
 637               (void) FormatLocaleString(buffer,MaxTextExtent,*q,
 638                 "/LZWDecode filter");
 639               break;
 640             }
 641             case FaxCompression:
 642             case Group4Compression:
 643             {
 644               (void) FormatLocaleString(buffer,MaxTextExtent,*q," ");
 645               break;
 646             }
 647             default:
 648             {
 649               (void) FormatLocaleString(buffer,MaxTextExtent,*q,
 650                 "/RunLengthDecode filter");
 651               break;
 652             }
 653           }
 654           (void) WriteBlobString(image,buffer);
 655           (void) WriteBlobByte(image,'\n');
 656         }
 657         value=GetImageProperty(image,"label",exception);
 658         if (value != (const char *) NULL)
 659           for (j=(ssize_t) MultilineCensus(value)-1; j >= 0; j--)
 660           {
 661             (void) WriteBlobString(image,"  /label 512 string def\n");
 662             (void) WriteBlobString(image,"  currentfile label readline pop\n");
 663             (void) FormatLocaleString(buffer,MaxTextExtent,
 664               "  0 y %g add moveto label show pop\n",j*pointsize+12);
 665             (void) WriteBlobString(image,buffer);
 666           }
 667         for (q=PostscriptEpilog; *q; q++)
 668         {
 669           (void) FormatLocaleString(buffer,MaxTextExtent,"%s\n",*q);
 670           (void) WriteBlobString(image,buffer);
 671         }
 672         if (LocaleCompare(image_info->magick,"PS2") == 0)
 673           (void) WriteBlobString(image,"  showpage\n");
 674         (void) WriteBlobString(image,"} bind def\n");
 675         (void) WriteBlobString(image,"%%EndProlog\n");
 676       }
 677     (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Page:  1 %.20g\n",
 678       (double) page++);
 679     (void) WriteBlobString(image,buffer);
 680     (void) FormatLocaleString(buffer,MaxTextExtent,
 681       "%%%%PageBoundingBox: %.20g %.20g %.20g %.20g\n",(double) geometry.x,
 682       (double) geometry.y,geometry.x+(double) geometry.width,geometry.y+(double)
 683       (geometry.height+text_size));
 684     (void) WriteBlobString(image,buffer);
 685     if ((double) geometry.x < bounds.x1)
 686       bounds.x1=(double) geometry.x;
 687     if ((double) geometry.y < bounds.y1)
 688       bounds.y1=(double) geometry.y;
 689     if ((double) (geometry.x+geometry.width-1) > bounds.x2)
 690       bounds.x2=(double) geometry.x+geometry.width-1;
 691     if ((double) (geometry.y+(geometry.height+text_size)-1) > bounds.y2)
 692       bounds.y2=(double) geometry.y+(geometry.height+text_size)-1;
 693     value=GetImageProperty(image,"label",exception);
 694     if (value != (const char *) NULL)
 695       (void) WriteBlobString(image,"%%PageResources: font Times-Roman\n");
 696     if (LocaleCompare(image_info->magick,"PS2") != 0)
 697       (void) WriteBlobString(image,"userdict begin\n");
 698     start=TellBlob(image);
 699     (void) FormatLocaleString(buffer,MaxTextExtent,
 700       "%%%%BeginData:%13ld %s Bytes\n",0L,
 701       compression == NoCompression ? "ASCII" : "Binary");
 702     (void) WriteBlobString(image,buffer);
 703     stop=TellBlob(image);
 704     (void) WriteBlobString(image,"DisplayImage\n");
 705     /*
 706       Output image data.
 707     */
 708     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%g %g\n%g\n",
 709       (double) geometry.x,(double) geometry.y,scale.x,scale.y,pointsize);
 710     (void) WriteBlobString(image,buffer);
 711     labels=(char **) NULL;
 712     value=GetImageProperty(image,"label",exception);
 713     if (value != (const char *) NULL)
 714       labels=StringToList(value);
 715     if (labels != (char **) NULL)
 716       {
 717         for (i=0; labels[i] != (char *) NULL; i++)
 718         {
 719           (void) FormatLocaleString(buffer,MaxTextExtent,"%s \n",
 720             labels[i]);
 721           (void) WriteBlobString(image,buffer);
 722           labels[i]=DestroyString(labels[i]);
 723         }
 724         labels=(char **) RelinquishMagickMemory(labels);
 725       }
 726     number_pixels=(MagickSizeType) image->columns*image->rows;
 727     if (number_pixels != (MagickSizeType) ((size_t) number_pixels))
 728       ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
 729     if ((compression == FaxCompression) || (compression == Group4Compression) ||
 730         ((image_info->type != TrueColorType) &&
 731          (IsImageGray(image,exception) != MagickFalse)))
 732       {
 733         (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n1\n%d\n",
 734           (double) image->columns,(double) image->rows,(int)
 735           (image->colorspace == CMYKColorspace));
 736         (void) WriteBlobString(image,buffer);
 737         (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
 738           (int) ((compression != FaxCompression) &&
 739            (compression != Group4Compression)));
 740         (void) WriteBlobString(image,buffer);
 741         (void) WriteBlobString(image,"0\n");
 742         (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
 743            (compression == FaxCompression) ||
 744            (compression == Group4Compression) ? 1 : 8);
 745         (void) WriteBlobString(image,buffer);
 746         switch (compression)
 747         {
 748           case FaxCompression:
 749           case Group4Compression:
 750           {
 751             if (LocaleCompare(CCITTParam,"0") == 0)
 752               {
 753                 (void) HuffmanEncodeImage(image_info,image,image,exception);
 754                 break;
 755               }
 756             (void) Huffman2DEncodeImage(image_info,image,image,exception);
 757             break;
 758           }
 759           case JPEGCompression:
 760           {
 761             status=InjectImageBlob(image_info,image,image,"jpeg",exception);
 762             if (status == MagickFalse)
 763               {
 764                 (void) CloseBlob(image);
 765                 return(MagickFalse);
 766               }
 767             break;
 768           }
 769           case RLECompression:
 770           default:
 771           {
 772             register unsigned char
 773               *q;
 774
 775             /*
 776               Allocate pixel array.
 777             */
 778             length=(size_t) number_pixels;
 779             pixels=(unsigned char *) AcquireQuantumMemory(length,
 780               sizeof(*pixels));
 781             if (pixels == (unsigned char *) NULL)
 782               ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
 783             /*
 784               Dump Runlength encoded pixels.
 785             */
 786             q=pixels;
 787             for (y=0; y < (ssize_t) image->rows; y++)
 788             {
 789               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
 790               if (p == (const Quantum *) NULL)
 791                 break;
 792               for (x=0; x < (ssize_t) image->columns; x++)
 793               {
 794                 *q++=ScaleQuantumToChar(GetPixelIntensity(image,p));
 795                 p+=GetPixelChannels(image);
 796               }
 797               progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
 798                 image->rows);
 799               if (progress == MagickFalse)
 800                 break;
 801             }
 802             length=(size_t) (q-pixels);
 803             if (compression == LZWCompression)
 804               status=LZWEncodeImage(image,length,pixels,exception);
 805             else
 806               status=PackbitsEncodeImage(image,length,pixels,exception);
 807             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
 808             if (status == MagickFalse)
 809               {
 810                 (void) CloseBlob(image);
 811                 return(MagickFalse);
 812               }
 813             break;
 814           }
 815           case NoCompression:
 816           {
 817             /*
 818               Dump uncompressed PseudoColor packets.
 819             */
 820             Ascii85Initialize(image);
 821             for (y=0; y < (ssize_t) image->rows; y++)
 822             {
 823               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
 824               if (p == (const Quantum *) NULL)
 825                 break;
 826               for (x=0; x < (ssize_t) image->columns; x++)
 827               {
 828                 Ascii85Encode(image,ScaleQuantumToChar(
 829                   GetPixelIntensity(image,p)));
 830                 p+=GetPixelChannels(image);
 831               }
 832               progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
 833                 y,image->rows);
 834               if (progress == MagickFalse)
 835                 break;
 836             }
 837             Ascii85Flush(image);
 838             break;
 839           }
 840         }
 841       }
 842     else
 843       if ((image->storage_class == DirectClass) || (image->colors > 256) ||
 844           (compression == JPEGCompression) || (image->alpha_trait == BlendPixelTrait))
 845         {
 846           (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n0\n%d\n",
 847             (double) image->columns,(double) image->rows,(int)
 848             (image->colorspace == CMYKColorspace));
 849           (void) WriteBlobString(image,buffer);
 850           (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
 851             (int) (compression == NoCompression));
 852           (void) WriteBlobString(image,buffer);
 853           switch (compression)
 854           {
 855             case JPEGCompression:
 856             {
 857               status=InjectImageBlob(image_info,image,image,"jpeg",exception);
 858               if (status == MagickFalse)
 859                 {
 860                   (void) CloseBlob(image);
 861                   return(MagickFalse);
 862                 }
 863               break;
 864             }
 865             case RLECompression:
 866             default:
 867             {
 868               register unsigned char
 869                 *q;
 870
 871               /*
 872                 Allocate pixel array.
 873               */
 874               length=(size_t) number_pixels;
 875               pixels=(unsigned char *) AcquireQuantumMemory(length,
 876                 4*sizeof(*pixels));
 877               if (pixels == (unsigned char *) NULL)
 878                 ThrowWriterException(ResourceLimitError,
 879                   "MemoryAllocationFailed");
 880               /*
 881                 Dump Packbit encoded pixels.
 882               */
 883               q=pixels;
 884               for (y=0; y < (ssize_t) image->rows; y++)
 885               {
 886                 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
 887                 if (p == (const Quantum *) NULL)
 888                   break;
 889                 for (x=0; x < (ssize_t) image->columns; x++)
 890                 {
 891                   if ((image->alpha_trait == BlendPixelTrait) &&
 892                       (GetPixelAlpha(image,p) == (Quantum) TransparentAlpha))
 893                     {
 894                       *q++=ScaleQuantumToChar(QuantumRange);
 895                       *q++=ScaleQuantumToChar(QuantumRange);
 896                       *q++=ScaleQuantumToChar(QuantumRange);
 897                     }
 898                   else
 899                     if (image->colorspace != CMYKColorspace)
 900                       {
 901                         *q++=ScaleQuantumToChar(GetPixelRed(image,p));
 902                         *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
 903                         *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
 904                       }
 905                     else
 906                       {
 907                         *q++=ScaleQuantumToChar(GetPixelRed(image,p));
 908                         *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
 909                         *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
 910                         *q++=ScaleQuantumToChar(GetPixelBlack(image,p));
 911                       }
 912                   p+=GetPixelChannels(image);
 913                 }
 914                 progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
 915                   y,image->rows);
 916                 if (progress == MagickFalse)
 917                   break;
 918               }
 919               length=(size_t) (q-pixels);
 920               if (compression == LZWCompression)
 921                 status=LZWEncodeImage(image,length,pixels,exception);
 922               else
 923                 status=PackbitsEncodeImage(image,length,pixels,exception);
 924               if (status == MagickFalse)
 925                 {
 926                   (void) CloseBlob(image);
 927                   return(MagickFalse);
 928                 }
 929               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
 930               break;
 931             }
 932             case NoCompression:
 933             {
 934               /*
 935                 Dump uncompressed DirectColor packets.
 936               */
 937               Ascii85Initialize(image);
 938               for (y=0; y < (ssize_t) image->rows; y++)
 939               {
 940                 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
 941                 if (p == (const Quantum *) NULL)
 942                   break;
 943                 for (x=0; x < (ssize_t) image->columns; x++)
 944                 {
 945                   if ((image->alpha_trait == BlendPixelTrait) &&
 946                       (GetPixelAlpha(image,p) == (Quantum) TransparentAlpha))
 947                     {
 948                       Ascii85Encode(image,ScaleQuantumToChar((Quantum)
 949                         QuantumRange));
 950                       Ascii85Encode(image,ScaleQuantumToChar((Quantum)
 951                         QuantumRange));
 952                       Ascii85Encode(image,ScaleQuantumToChar((Quantum)
 953                         QuantumRange));
 954                     }
 955                   else
 956                     if (image->colorspace != CMYKColorspace)
 957                       {
 958                         Ascii85Encode(image,ScaleQuantumToChar(
 959                           GetPixelRed(image,p)));
 960                         Ascii85Encode(image,ScaleQuantumToChar(
 961                           GetPixelGreen(image,p)));
 962                         Ascii85Encode(image,ScaleQuantumToChar(
 963                           GetPixelBlue(image,p)));
 964                       }
 965                     else
 966                       {
 967                         Ascii85Encode(image,ScaleQuantumToChar(
 968                           GetPixelRed(image,p)));
 969                         Ascii85Encode(image,ScaleQuantumToChar(
 970                           GetPixelGreen(image,p)));
 971                         Ascii85Encode(image,ScaleQuantumToChar(
 972                           GetPixelBlue(image,p)));
 973                         Ascii85Encode(image,ScaleQuantumToChar(
 974                           GetPixelBlack(image,p)));
 975                       }
 976                   p+=GetPixelChannels(image);
 977                 }
 978                 progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
 979                   y,image->rows);
 980                 if (progress == MagickFalse)
 981                   break;
 982               }
 983               Ascii85Flush(image);
 984               break;
 985             }
 986           }
 987         }
 988       else
 989         {
 990           /*
 991             Dump number of colors and colormap.
 992           */
 993           (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n1\n%d\n",
 994             (double) image->columns,(double) image->rows,(int)
 995             (image->colorspace == CMYKColorspace));
 996           (void) WriteBlobString(image,buffer);
 997           (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
 998             (int) (compression == NoCompression));
 999           (void) WriteBlobString(image,buffer);
1000           (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double)
1001             image->colors);
1002           (void) WriteBlobString(image,buffer);
1003           for (i=0; i < (ssize_t) image->colors; i++)
1004           {
1005             (void) FormatLocaleString(buffer,MaxTextExtent,"%02X%02X%02X\n",
1006               ScaleQuantumToChar(image->colormap[i].red),
1007               ScaleQuantumToChar(image->colormap[i].green),
1008               ScaleQuantumToChar(image->colormap[i].blue));
1009             (void) WriteBlobString(image,buffer);
1010           }
1011           switch (compression)
1012           {
1013             case RLECompression:
1014             default:
1015             {
1016               register unsigned char
1017                 *q;
1018
1019               /*
1020                 Allocate pixel array.
1021               */
1022               length=(size_t) number_pixels;
1023               pixels=(unsigned char *) AcquireQuantumMemory(length,
1024                 sizeof(*pixels));
1025               if (pixels == (unsigned char *) NULL)
1026                 ThrowWriterException(ResourceLimitError,
1027                   "MemoryAllocationFailed");
1028               /*
1029                 Dump Runlength encoded pixels.
1030               */
1031               q=pixels;
1032               for (y=0; y < (ssize_t) image->rows; y++)
1033               {
1034                 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1035                 if (p == (const Quantum *) NULL)
1036                   break;
1037                 for (x=0; x < (ssize_t) image->columns; x++)
1038                 {
1039                   *q++=(unsigned char) GetPixelIndex(image,p);
1040                   p+=GetPixelChannels(image);
1041                 }
1042                 progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1043                   y,image->rows);
1044                 if (progress == MagickFalse)
1045                   break;
1046               }
1047               length=(size_t) (q-pixels);
1048               if (compression == LZWCompression)
1049                 status=LZWEncodeImage(image,length,pixels,exception);
1050               else
1051                 status=PackbitsEncodeImage(image,length,pixels,exception);
1052               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1053               if (status == MagickFalse)
1054                 {
1055                   (void) CloseBlob(image);
1056                   return(MagickFalse);
1057                 }
1058               break;
1059             }
1060             case NoCompression:
1061             {
1062               /*
1063                 Dump uncompressed PseudoColor packets.
1064               */
1065               Ascii85Initialize(image);
1066               for (y=0; y < (ssize_t) image->rows; y++)
1067               {
1068                 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1069                 if (p == (const Quantum *) NULL)
1070                   break;
1071                 for (x=0; x < (ssize_t) image->columns; x++)
1072                 {
1073                   Ascii85Encode(image,(unsigned char) GetPixelIndex(image,p));
1074                   p+=GetPixelChannels(image);
1075                 }
1076                 progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1077                   y,image->rows);
1078                 if (progress == MagickFalse)
1079                   break;
1080               }
1081               Ascii85Flush(image);
1082               break;
1083             }
1084           }
1085         }
1086     (void) WriteBlobByte(image,'\n');
1087     length=(size_t) (TellBlob(image)-stop);
1088     stop=TellBlob(image);
1089     offset=SeekBlob(image,start,SEEK_SET);
1090     if (offset < 0)
1091       ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1092     (void) FormatLocaleString(buffer,MaxTextExtent,
1093       "%%%%BeginData:%13ld %s Bytes\n",(long) length,
1094       compression == NoCompression ? "ASCII" : "Binary");
1095     (void) WriteBlobString(image,buffer);
1096     offset=SeekBlob(image,stop,SEEK_SET);
1097     (void) WriteBlobString(image,"%%EndData\n");
1098     if (LocaleCompare(image_info->magick,"PS2") != 0)
1099       (void) WriteBlobString(image,"end\n");
1100     (void) WriteBlobString(image,"%%PageTrailer\n");
1101     if (GetNextImageInList(image) == (Image *) NULL)
1102       break;
1103     image=SyncNextImageInList(image);
1104     status=SetImageProgress(image,SaveImagesTag,scene++,
1105       GetImageListLength(image));
1106     if (status == MagickFalse)
1107       break;
1108   } while (image_info->adjoin != MagickFalse);
1109   (void) WriteBlobString(image,"%%Trailer\n");
1110   if (page > 1)
1111     {
1112       (void) FormatLocaleString(buffer,MaxTextExtent,
1113         "%%%%BoundingBox: %.20g %.20g %.20g %.20g\n",ceil(bounds.x1-0.5),
1114         ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
1115       (void) WriteBlobString(image,buffer);
1116       (void) FormatLocaleString(buffer,MaxTextExtent,
1117         "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,
1118         bounds.x2,bounds.y2);
1119       (void) WriteBlobString(image,buffer);
1120     }
1121   (void) WriteBlobString(image,"%%EOF\n");
1122   (void) CloseBlob(image);
1123   return(MagickTrue);
1124 }