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 1999-2011 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/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       (char *) NULL
 379     };
 380
 381   char
 382     buffer[MaxTextExtent],
 383     date[MaxTextExtent],
 384     page_geometry[MaxTextExtent],
 385     **labels;
 386
 387   CompressionType
 388     compression;
 389
 390   const char
 391     **q,
 392     *value;
 393
 394   double
 395     pointsize;
 396
 397   GeometryInfo
 398     geometry_info;
 399
 400   MagickOffsetType
 401     scene,
 402     start,
 403     stop;
 404
 405   MagickBooleanType
 406     progress,
 407     status;
 408
 409   MagickOffsetType
 410     offset;
 411
 412   MagickSizeType
 413     number_pixels;
 414
 415   MagickStatusType
 416     flags;
 417
 418   PointInfo
 419     delta,
 420     resolution,
 421     scale;
 422
 423   RectangleInfo
 424     geometry,
 425     media_info,
 426     page_info;
 427
 428   register const Quantum
 429     *p;
 430
 431   register ssize_t
 432     x;
 433
 434   register ssize_t
 435     i;
 436
 437   SegmentInfo
 438     bounds;
 439
 440   size_t
 441     length,
 442     page,
 443     text_size;
 444
 445   ssize_t
 446     j,
 447     y;
 448
 449   time_t
 450     timer;
 451
 452   unsigned char
 453     *pixels;
 454
 455   /*
 456     Open output image file.
 457   */
 458   assert(image_info != (const ImageInfo *) NULL);
 459   assert(image_info->signature == MagickSignature);
 460   assert(image != (Image *) NULL);
 461   assert(image->signature == MagickSignature);
 462   if (image->debug != MagickFalse)
 463     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 464   assert(exception != (ExceptionInfo *) NULL);
 465   assert(exception->signature == MagickSignature);
 466   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
 467   if (status == MagickFalse)
 468     return(status);
 469   compression=image->compression;
 470   if (image_info->compression != UndefinedCompression)
 471     compression=image_info->compression;
 472   switch (compression)
 473   {
 474 #if !defined(MAGICKCORE_JPEG_DELEGATE)
 475     case JPEGCompression:
 476     {
 477       compression=RLECompression;
 478       (void) ThrowMagickException(exception,GetMagickModule(),
 479         MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
 480         image->filename);
 481       break;
 482     }
 483 #endif
 484     default:
 485       break;
 486   }
 487   (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
 488   page=1;
 489   scene=0;
 490   do
 491   {
 492     /*
 493       Scale relative to dots-per-inch.
 494     */
 495     delta.x=DefaultResolution;
 496     delta.y=DefaultResolution;
 497     resolution.x=image->resolution.x;
 498     resolution.y=image->resolution.y;
 499     if ((resolution.x == 0.0) || (resolution.y == 0.0))
 500       {
 501         flags=ParseGeometry(PSDensityGeometry,&geometry_info);
 502         resolution.x=geometry_info.rho;
 503         resolution.y=geometry_info.sigma;
 504         if ((flags & SigmaValue) == 0)
 505           resolution.y=resolution.x;
 506       }
 507     if (image_info->density != (char *) NULL)
 508       {
 509         flags=ParseGeometry(image_info->density,&geometry_info);
 510         resolution.x=geometry_info.rho;
 511         resolution.y=geometry_info.sigma;
 512         if ((flags & SigmaValue) == 0)
 513           resolution.y=resolution.x;
 514       }
 515     if (image->units == PixelsPerCentimeterResolution)
 516       {
 517         resolution.x=(size_t) (100.0*2.54*resolution.x+0.5)/100.0;
 518         resolution.y=(size_t) (100.0*2.54*resolution.y+0.5)/100.0;
 519       }
 520     SetGeometry(image,&geometry);
 521     (void) FormatLocaleString(page_geometry,MaxTextExtent,"%.20gx%.20g",
 522       (double) image->columns,(double) image->rows);
 523     if (image_info->page != (char *) NULL)
 524       (void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
 525     else
 526       if ((image->page.width != 0) && (image->page.height != 0))
 527         (void) FormatLocaleString(page_geometry,MaxTextExtent,
 528           "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double)
 529           image->page.height,(double) image->page.x,(double) image->page.y);
 530       else
 531         if ((image->gravity != UndefinedGravity) &&
 532             (LocaleCompare(image_info->magick,"PS") == 0))
 533           (void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
 534     (void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
 535     (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
 536       &geometry.width,&geometry.height);
 537     scale.x=(double) (geometry.width*delta.x)/resolution.x;
 538     geometry.width=(size_t) floor(scale.x+0.5);
 539     scale.y=(double) (geometry.height*delta.y)/resolution.y;
 540     geometry.height=(size_t) floor(scale.y+0.5);
 541     (void) ParseAbsoluteGeometry(page_geometry,&media_info);
 542     (void) ParseGravityGeometry(image,page_geometry,&page_info,exception);
 543     if (image->gravity != UndefinedGravity)
 544       {
 545         geometry.x=(-page_info.x);
 546         geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
 547       }
 548     pointsize=12.0;
 549     if (image_info->pointsize != 0.0)
 550       pointsize=image_info->pointsize;
 551     text_size=0;
 552     value=GetImageProperty(image,"label",exception);
 553     if (value != (const char *) NULL)
 554       text_size=(size_t) (MultilineCensus(value)*pointsize+12);
 555     if (page == 1)
 556       {
 557         /*
 558           Output Postscript header.
 559         */
 560         if (LocaleCompare(image_info->magick,"PS2") == 0)
 561           (void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MaxTextExtent);
 562         else
 563           (void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
 564             MaxTextExtent);
 565         (void) WriteBlobString(image,buffer);
 566         (void) WriteBlobString(image,"%%Creator: (ImageMagick)\n");
 567         (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Title: (%s)\n",
 568           image->filename);
 569         (void) WriteBlobString(image,buffer);
 570         timer=time((time_t *) NULL);
 571         (void) FormatMagickTime(timer,MaxTextExtent,date);
 572         (void) FormatLocaleString(buffer,MaxTextExtent,
 573           "%%%%CreationDate: (%s)\n",date);
 574         (void) WriteBlobString(image,buffer);
 575         bounds.x1=(double) geometry.x;
 576         bounds.y1=(double) geometry.y;
 577         bounds.x2=(double) geometry.x+geometry.width;
 578         bounds.y2=(double) geometry.y+geometry.height+text_size;
 579         if ((image_info->adjoin != MagickFalse) &&
 580             (GetNextImageInList(image) != (Image *) NULL))
 581           (void) CopyMagickString(buffer,"%%BoundingBox: (atend)\n",
 582             MaxTextExtent);
 583         else
 584           {
 585             (void) FormatLocaleString(buffer,MaxTextExtent,
 586               "%%%%BoundingBox: %.20g %.20g %.20g %.20g\n",ceil(bounds.x1-0.5),
 587               ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
 588             (void) WriteBlobString(image,buffer);
 589             (void) FormatLocaleString(buffer,MaxTextExtent,
 590               "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,
 591               bounds.y1,bounds.x2,bounds.y2);
 592           }
 593         (void) WriteBlobString(image,buffer);
 594         value=GetImageProperty(image,"label",exception);
 595         if (value != (const char *) NULL)
 596           (void) WriteBlobString(image,
 597             "%%DocumentNeededResources: font Helvetica\n");
 598         (void) WriteBlobString(image,"%%LanguageLevel: 2\n");
 599         if (LocaleCompare(image_info->magick,"PS2") != 0)
 600           (void) WriteBlobString(image,"%%Pages: 1\n");
 601         else
 602           {
 603             (void) WriteBlobString(image,"%%Orientation: Portrait\n");
 604             (void) WriteBlobString(image,"%%PageOrder: Ascend\n");
 605             if (image_info->adjoin == MagickFalse)
 606               (void) CopyMagickString(buffer,"%%Pages: 1\n",MaxTextExtent);
 607             else
 608               (void) FormatLocaleString(buffer,MaxTextExtent,
 609                 "%%%%Pages: %.20g\n",(double) GetImageListLength(image));
 610             (void) WriteBlobString(image,buffer);
 611           }
 612         (void) WriteBlobString(image,"%%EndComments\n");
 613         (void) WriteBlobString(image,"\n%%BeginDefaults\n");
 614         (void) WriteBlobString(image,"%%EndDefaults\n\n");
 615         /*
 616           Output Postscript commands.
 617         */
 618         for (q=PostscriptProlog; *q; q++)
 619         {
 620           switch (compression)
 621           {
 622             case NoCompression:
 623             {
 624               (void) FormatLocaleString(buffer,MaxTextExtent,*q,
 625                 "/ASCII85Decode filter");
 626               break;
 627             }
 628             case JPEGCompression:
 629             {
 630               (void) FormatLocaleString(buffer,MaxTextExtent,*q,
 631                 "/DCTDecode filter");
 632               break;
 633             }
 634             case LZWCompression:
 635             {
 636               (void) FormatLocaleString(buffer,MaxTextExtent,*q,
 637                 "/LZWDecode filter");
 638               break;
 639             }
 640             case FaxCompression:
 641             case Group4Compression:
 642             {
 643               (void) FormatLocaleString(buffer,MaxTextExtent,*q," ");
 644               break;
 645             }
 646             default:
 647             {
 648               (void) FormatLocaleString(buffer,MaxTextExtent,*q,
 649                 "/RunLengthDecode filter");
 650               break;
 651             }
 652           }
 653           (void) WriteBlobString(image,buffer);
 654           (void) WriteBlobByte(image,'\n');
 655         }
 656         value=GetImageProperty(image,"label",exception);
 657         if (value != (const char *) NULL)
 658           for (j=(ssize_t) MultilineCensus(value)-1; j >= 0; j--)
 659           {
 660             (void) WriteBlobString(image,"  /label 512 string def\n");
 661             (void) WriteBlobString(image,"  currentfile label readline pop\n");
 662             (void) FormatLocaleString(buffer,MaxTextExtent,
 663               "  0 y %g add moveto label show pop\n",j*pointsize+12);
 664             (void) WriteBlobString(image,buffer);
 665           }
 666         for (q=PostscriptEpilog; *q; q++)
 667         {
 668           (void) FormatLocaleString(buffer,MaxTextExtent,"%s\n",*q);
 669           (void) WriteBlobString(image,buffer);
 670         }
 671         if (LocaleCompare(image_info->magick,"PS2") == 0)
 672           (void) WriteBlobString(image,"  showpage\n");
 673         (void) WriteBlobString(image,"} bind def\n");
 674         (void) WriteBlobString(image,"%%EndProlog\n");
 675       }
 676     (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Page:  1 %.20g\n",
 677       (double) page++);
 678     (void) WriteBlobString(image,buffer);
 679     (void) FormatLocaleString(buffer,MaxTextExtent,
 680       "%%%%PageBoundingBox: %.20g %.20g %.20g %.20g\n",(double) geometry.x,
 681       (double) geometry.y,geometry.x+(double) geometry.width,geometry.y+(double)
 682       (geometry.height+text_size));
 683     (void) WriteBlobString(image,buffer);
 684     if ((double) geometry.x < bounds.x1)
 685       bounds.x1=(double) geometry.x;
 686     if ((double) geometry.y < bounds.y1)
 687       bounds.y1=(double) geometry.y;
 688     if ((double) (geometry.x+geometry.width-1) > bounds.x2)
 689       bounds.x2=(double) geometry.x+geometry.width-1;
 690     if ((double) (geometry.y+(geometry.height+text_size)-1) > bounds.y2)
 691       bounds.y2=(double) geometry.y+(geometry.height+text_size)-1;
 692     value=GetImageProperty(image,"label",exception);
 693     if (value != (const char *) NULL)
 694       (void) WriteBlobString(image,"%%PageResources: font Times-Roman\n");
 695     if (LocaleCompare(image_info->magick,"PS2") != 0)
 696       (void) WriteBlobString(image,"userdict begin\n");
 697     start=TellBlob(image);
 698     (void) FormatLocaleString(buffer,MaxTextExtent,
 699       "%%%%BeginData:%13ld %s Bytes\n",0L,
 700       compression == NoCompression ? "ASCII" : "Binary");
 701     (void) WriteBlobString(image,buffer);
 702     stop=TellBlob(image);
 703     (void) WriteBlobString(image,"DisplayImage\n");
 704     /*
 705       Output image data.
 706     */
 707     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%g %g\n%g\n",
 708       (double) geometry.x,(double) geometry.y,scale.x,scale.y,pointsize);
 709     (void) WriteBlobString(image,buffer);
 710     labels=(char **) NULL;
 711     value=GetImageProperty(image,"label",exception);
 712     if (value != (const char *) NULL)
 713       labels=StringToList(value);
 714     if (labels != (char **) NULL)
 715       {
 716         for (i=0; labels[i] != (char *) NULL; i++)
 717         {
 718           (void) FormatLocaleString(buffer,MaxTextExtent,"%s \n",
 719             labels[i]);
 720           (void) WriteBlobString(image,buffer);
 721           labels[i]=DestroyString(labels[i]);
 722         }
 723         labels=(char **) RelinquishMagickMemory(labels);
 724       }
 725     number_pixels=(MagickSizeType) image->columns*image->rows;
 726     if (number_pixels != (MagickSizeType) ((size_t) number_pixels))
 727       ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
 728     if ((compression == FaxCompression) || (compression == Group4Compression) ||
 729         ((image_info->type != TrueColorType) &&
 730          (IsImageGray(image,exception) != MagickFalse)))
 731       {
 732         (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n1\n%d\n",
 733           (double) image->columns,(double) image->rows,(int)
 734           (image->colorspace == CMYKColorspace));
 735         (void) WriteBlobString(image,buffer);
 736         (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
 737           (int) ((compression != FaxCompression) &&
 738            (compression != Group4Compression)));
 739         (void) WriteBlobString(image,buffer);
 740         (void) WriteBlobString(image,"0\n");
 741         (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
 742            (compression == FaxCompression) ||
 743            (compression == Group4Compression) ? 1 : 8);
 744         (void) WriteBlobString(image,buffer);
 745         switch (compression)
 746         {
 747           case FaxCompression:
 748           case Group4Compression:
 749           {
 750             if (LocaleCompare(CCITTParam,"0") == 0)
 751               {
 752                 (void) HuffmanEncodeImage(image_info,image,image,exception);
 753                 break;
 754               }
 755             (void) Huffman2DEncodeImage(image_info,image,image,exception);
 756             break;
 757           }
 758           case JPEGCompression:
 759           {
 760             status=InjectImageBlob(image_info,image,image,"jpeg",exception);
 761             if (status == MagickFalse)
 762               {
 763                 (void) CloseBlob(image);
 764                 return(MagickFalse);
 765               }
 766             break;
 767           }
 768           case RLECompression:
 769           default:
 770           {
 771             register unsigned char
 772               *q;
 773
 774             /*
 775               Allocate pixel array.
 776             */
 777             length=(size_t) number_pixels;
 778             pixels=(unsigned char *) AcquireQuantumMemory(length,
 779               sizeof(*pixels));
 780             if (pixels == (unsigned char *) NULL)
 781               ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
 782             /*
 783               Dump Runlength encoded pixels.
 784             */
 785             q=pixels;
 786             for (y=0; y < (ssize_t) image->rows; y++)
 787             {
 788               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
 789               if (p == (const Quantum *) NULL)
 790                 break;
 791               for (x=0; x < (ssize_t) image->columns; x++)
 792               {
 793                 *q++=ScaleQuantumToChar(GetPixelIntensity(image,p));
 794                 p+=GetPixelChannels(image);
 795               }
 796               progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
 797                 image->rows);
 798               if (progress == MagickFalse)
 799                 break;
 800             }
 801             length=(size_t) (q-pixels);
 802             if (compression == LZWCompression)
 803               status=LZWEncodeImage(image,length,pixels,exception);
 804             else
 805               status=PackbitsEncodeImage(image,length,pixels,exception);
 806             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
 807             if (status == MagickFalse)
 808               {
 809                 (void) CloseBlob(image);
 810                 return(MagickFalse);
 811               }
 812             break;
 813           }
 814           case NoCompression:
 815           {
 816             /*
 817               Dump uncompressed PseudoColor packets.
 818             */
 819             Ascii85Initialize(image);
 820             for (y=0; y < (ssize_t) image->rows; y++)
 821             {
 822               p=GetVirtualPixels(image,0,y,image->columns,1,exception);
 823               if (p == (const Quantum *) NULL)
 824                 break;
 825               for (x=0; x < (ssize_t) image->columns; x++)
 826               {
 827                 Ascii85Encode(image,ScaleQuantumToChar(
 828                   GetPixelIntensity(image,p)));
 829                 p+=GetPixelChannels(image);
 830               }
 831               progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
 832                 y,image->rows);
 833               if (progress == MagickFalse)
 834                 break;
 835             }
 836             Ascii85Flush(image);
 837             break;
 838           }
 839         }
 840       }
 841     else
 842       if ((image->storage_class == DirectClass) || (image->colors > 256) ||
 843           (compression == JPEGCompression) || (image->matte != MagickFalse))
 844         {
 845           (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n0\n%d\n",
 846             (double) image->columns,(double) image->rows,(int)
 847             (image->colorspace == CMYKColorspace));
 848           (void) WriteBlobString(image,buffer);
 849           (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
 850             (int) (compression == NoCompression));
 851           (void) WriteBlobString(image,buffer);
 852           switch (compression)
 853           {
 854             case JPEGCompression:
 855             {
 856               status=InjectImageBlob(image_info,image,image,"jpeg",exception);
 857               if (status == MagickFalse)
 858                 {
 859                   (void) CloseBlob(image);
 860                   return(MagickFalse);
 861                 }
 862               break;
 863             }
 864             case RLECompression:
 865             default:
 866             {
 867               register unsigned char
 868                 *q;
 869
 870               /*
 871                 Allocate pixel array.
 872               */
 873               length=(size_t) number_pixels;
 874               pixels=(unsigned char *) AcquireQuantumMemory(length,
 875                 4*sizeof(*pixels));
 876               if (pixels == (unsigned char *) NULL)
 877                 ThrowWriterException(ResourceLimitError,
 878                   "MemoryAllocationFailed");
 879               /*
 880                 Dump Packbit encoded pixels.
 881               */
 882               q=pixels;
 883               for (y=0; y < (ssize_t) image->rows; y++)
 884               {
 885                 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
 886                 if (p == (const Quantum *) NULL)
 887                   break;
 888                 for (x=0; x < (ssize_t) image->columns; x++)
 889                 {
 890                   if ((image->matte != MagickFalse) &&
 891                       (GetPixelAlpha(image,p) == (Quantum) TransparentAlpha))
 892                     {
 893                       *q++=ScaleQuantumToChar((Quantum) QuantumRange);
 894                       *q++=ScaleQuantumToChar((Quantum) QuantumRange);
 895                       *q++=ScaleQuantumToChar((Quantum) QuantumRange);
 896                     }
 897                   else
 898                     if (image->colorspace != CMYKColorspace)
 899                       {
 900                         *q++=ScaleQuantumToChar(GetPixelRed(image,p));
 901                         *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
 902                         *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
 903                       }
 904                     else
 905                       {
 906                         *q++=ScaleQuantumToChar(GetPixelRed(image,p));
 907                         *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
 908                         *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
 909                         *q++=ScaleQuantumToChar(GetPixelBlack(image,p));
 910                       }
 911                   p+=GetPixelChannels(image);
 912                 }
 913                 progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
 914                   y,image->rows);
 915                 if (progress == MagickFalse)
 916                   break;
 917               }
 918               length=(size_t) (q-pixels);
 919               if (compression == LZWCompression)
 920                 status=LZWEncodeImage(image,length,pixels,exception);
 921               else
 922                 status=PackbitsEncodeImage(image,length,pixels,exception);
 923               if (status == MagickFalse)
 924                 {
 925                   (void) CloseBlob(image);
 926                   return(MagickFalse);
 927                 }
 928               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
 929               break;
 930             }
 931             case NoCompression:
 932             {
 933               /*
 934                 Dump uncompressed DirectColor packets.
 935               */
 936               Ascii85Initialize(image);
 937               for (y=0; y < (ssize_t) image->rows; y++)
 938               {
 939                 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
 940                 if (p == (const Quantum *) NULL)
 941                   break;
 942                 for (x=0; x < (ssize_t) image->columns; x++)
 943                 {
 944                   if ((image->matte != MagickFalse) &&
 945                       (GetPixelAlpha(image,p) == (Quantum) TransparentAlpha))
 946                     {
 947                       Ascii85Encode(image,ScaleQuantumToChar((Quantum)
 948                         QuantumRange));
 949                       Ascii85Encode(image,ScaleQuantumToChar((Quantum)
 950                         QuantumRange));
 951                       Ascii85Encode(image,ScaleQuantumToChar((Quantum)
 952                         QuantumRange));
 953                     }
 954                   else
 955                     if (image->colorspace != CMYKColorspace)
 956                       {
 957                         Ascii85Encode(image,ScaleQuantumToChar(
 958                           GetPixelRed(image,p)));
 959                         Ascii85Encode(image,ScaleQuantumToChar(
 960                           GetPixelGreen(image,p)));
 961                         Ascii85Encode(image,ScaleQuantumToChar(
 962                           GetPixelBlue(image,p)));
 963                       }
 964                     else
 965                       {
 966                         Ascii85Encode(image,ScaleQuantumToChar(
 967                           GetPixelRed(image,p)));
 968                         Ascii85Encode(image,ScaleQuantumToChar(
 969                           GetPixelGreen(image,p)));
 970                         Ascii85Encode(image,ScaleQuantumToChar(
 971                           GetPixelBlue(image,p)));
 972                         Ascii85Encode(image,ScaleQuantumToChar(
 973                           GetPixelBlack(image,p)));
 974                       }
 975                   p+=GetPixelChannels(image);
 976                 }
 977                 progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
 978                   y,image->rows);
 979                 if (progress == MagickFalse)
 980                   break;
 981               }
 982               Ascii85Flush(image);
 983               break;
 984             }
 985           }
 986         }
 987       else
 988         {
 989           /*
 990             Dump number of colors and colormap.
 991           */
 992           (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n1\n%d\n",
 993             (double) image->columns,(double) image->rows,(int)
 994             (image->colorspace == CMYKColorspace));
 995           (void) WriteBlobString(image,buffer);
 996           (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
 997             (int) (compression == NoCompression));
 998           (void) WriteBlobString(image,buffer);
 999           (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double)
1000             image->colors);
1001           (void) WriteBlobString(image,buffer);
1002           for (i=0; i < (ssize_t) image->colors; i++)
1003           {
1004             (void) FormatLocaleString(buffer,MaxTextExtent,"%02X%02X%02X\n",
1005               ScaleQuantumToChar(image->colormap[i].red),
1006               ScaleQuantumToChar(image->colormap[i].green),
1007               ScaleQuantumToChar(image->colormap[i].blue));
1008             (void) WriteBlobString(image,buffer);
1009           }
1010           switch (compression)
1011           {
1012             case RLECompression:
1013             default:
1014             {
1015               register unsigned char
1016                 *q;
1017
1018               /*
1019                 Allocate pixel array.
1020               */
1021               length=(size_t) number_pixels;
1022               pixels=(unsigned char *) AcquireQuantumMemory(length,
1023                 sizeof(*pixels));
1024               if (pixels == (unsigned char *) NULL)
1025                 ThrowWriterException(ResourceLimitError,
1026                   "MemoryAllocationFailed");
1027               /*
1028                 Dump Runlength encoded pixels.
1029               */
1030               q=pixels;
1031               for (y=0; y < (ssize_t) image->rows; y++)
1032               {
1033                 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1034                 if (p == (const Quantum *) NULL)
1035                   break;
1036                 for (x=0; x < (ssize_t) image->columns; x++)
1037                 {
1038                   *q++=(unsigned char) GetPixelIndex(image,p);
1039                   p+=GetPixelChannels(image);
1040                 }
1041                 progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1042                   y,image->rows);
1043                 if (progress == MagickFalse)
1044                   break;
1045               }
1046               length=(size_t) (q-pixels);
1047               if (compression == LZWCompression)
1048                 status=LZWEncodeImage(image,length,pixels,exception);
1049               else
1050                 status=PackbitsEncodeImage(image,length,pixels,exception);
1051               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1052               if (status == MagickFalse)
1053                 {
1054                   (void) CloseBlob(image);
1055                   return(MagickFalse);
1056                 }
1057               break;
1058             }
1059             case NoCompression:
1060             {
1061               /*
1062                 Dump uncompressed PseudoColor packets.
1063               */
1064               Ascii85Initialize(image);
1065               for (y=0; y < (ssize_t) image->rows; y++)
1066               {
1067                 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1068                 if (p == (const Quantum *) NULL)
1069                   break;
1070                 for (x=0; x < (ssize_t) image->columns; x++)
1071                 {
1072                   Ascii85Encode(image,(unsigned char) GetPixelIndex(image,p));
1073                   p+=GetPixelChannels(image);
1074                 }
1075                 progress=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
1076                   y,image->rows);
1077                 if (progress == MagickFalse)
1078                   break;
1079               }
1080               Ascii85Flush(image);
1081               break;
1082             }
1083           }
1084         }
1085     (void) WriteBlobByte(image,'\n');
1086     length=(size_t) (TellBlob(image)-stop);
1087     stop=TellBlob(image);
1088     offset=SeekBlob(image,start,SEEK_SET);
1089     if (offset < 0)
1090       ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1091     (void) FormatLocaleString(buffer,MaxTextExtent,
1092       "%%%%BeginData:%13ld %s Bytes\n",(long) length,
1093       compression == NoCompression ? "ASCII" : "Binary");
1094     (void) WriteBlobString(image,buffer);
1095     offset=SeekBlob(image,stop,SEEK_SET);
1096     (void) WriteBlobString(image,"%%EndData\n");
1097     if (LocaleCompare(image_info->magick,"PS2") != 0)
1098       (void) WriteBlobString(image,"end\n");
1099     (void) WriteBlobString(image,"%%PageTrailer\n");
1100     if (GetNextImageInList(image) == (Image *) NULL)
1101       break;
1102     image=SyncNextImageInList(image);
1103     status=SetImageProgress(image,SaveImagesTag,scene++,
1104       GetImageListLength(image));
1105     if (status == MagickFalse)
1106       break;
1107   } while (image_info->adjoin != MagickFalse);
1108   (void) WriteBlobString(image,"%%Trailer\n");
1109   if (page > 1)
1110     {
1111       (void) FormatLocaleString(buffer,MaxTextExtent,
1112         "%%%%BoundingBox: %.20g %.20g %.20g %.20g\n",ceil(bounds.x1-0.5),
1113         ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
1114       (void) WriteBlobString(image,buffer);
1115       (void) FormatLocaleString(buffer,MaxTextExtent,
1116         "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,
1117         bounds.x2,bounds.y2);
1118       (void) WriteBlobString(image,buffer);
1119     }
1120   (void) WriteBlobString(image,"%%EOF\n");
1121   (void) CloseBlob(image);
1122   return(MagickTrue);
1123 }