granicus.if.org Git - imagemagick/blob - coders/ps3.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %                            PPPP   SSSSS  33333                              %
   7 %                            P   P  SS        33                              %
   8 %                            PPPP    SSS    333                               %
   9 %                            P         SS     33                              %
  10 %                            P      SSSSS  33333                              %
  11 %                                                                             %
  12 %                                                                             %
  13 %                     Write Postscript Level III Format                       %
  14 %                                                                             %
  15 %                              Software Design                                %
  16 %                                John Cristy                                  %
  17 %                              Lars Ruben Skyum                               %
  18 %                                 July 1992                                   %
  19 %                                                                             %
  20 %                                                                             %
  21 %  Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization      %
  22 %  dedicated to making software imaging solutions freely available.           %
  23 %                                                                             %
  24 %  You may not use this file except in compliance with the License.  You may  %
  25 %  obtain a copy of the License at                                            %
  26 %                                                                             %
  27 %    http://www.imagemagick.org/script/license.php                            %
  28 %                                                                             %
  29 %  Unless required by applicable law or agreed to in writing, software        %
  30 %  distributed under the License is distributed on an "AS IS" BASIS,          %
  31 %  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
  32 %  See the License for the specific language governing permissions and        %
  33 %  limitations under the License.                                             %
  34 %                                                                             %
  35 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  36 %
  37 %
  38 */
  39 \f
  40 /*
  41   Include declarations.
  42 */
  43 #include "MagickCore/studio.h"
  44 #include "MagickCore/attribute.h"
  45 #include "MagickCore/blob.h"
  46 #include "MagickCore/blob-private.h"
  47 #include "MagickCore/cache.h"
  48 #include "MagickCore/color.h"
  49 #include "MagickCore/color-private.h"
  50 #include "MagickCore/compress.h"
  51 #include "MagickCore/constitute.h"
  52 #include "MagickCore/draw.h"
  53 #include "MagickCore/exception.h"
  54 #include "MagickCore/exception-private.h"
  55 #include "MagickCore/geometry.h"
  56 #include "MagickCore/image.h"
  57 #include "MagickCore/image-private.h"
  58 #include "MagickCore/list.h"
  59 #include "MagickCore/magick.h"
  60 #include "MagickCore/memory_.h"
  61 #include "MagickCore/monitor.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/token.h"
  72 #include "MagickCore/utility.h"
  73 #include "MagickCore/module.h"
  74 \f
  75 /*
  76   Define declarations.
  77 */
  78 #define PS3_NoCompression "0"
  79 #define PS3_FaxCompression "1"
  80 #define PS3_JPEGCompression "2"
  81 #define PS3_LZWCompression "3"
  82 #define PS3_RLECompression "4"
  83 #define PS3_ZipCompression "5"
  84
  85 #define PS3_RGBColorspace "0"
  86 #define PS3_CMYKColorspace "1"
  87
  88 #define PS3_DirectClass "0"
  89 #define PS3_PseudoClass "1"
  90
  91 #if defined(MAGICKCORE_TIFF_DELEGATE)
  92 #define CCITTParam  "-1"
  93 #else
  94 #define CCITTParam  "0"
  95 #endif
  96 \f
  97 /*
  98   Forward declarations.
  99 */
 100 static MagickBooleanType
 101   WritePS3Image(const ImageInfo *,Image *,ExceptionInfo *);
 102 \f
 103 /*
 104 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 105 %                                                                             %
 106 %                                                                             %
 107 %                                                                             %
 108 %   R e g i s t e r P S 3 I m a g e                                           %
 109 %                                                                             %
 110 %                                                                             %
 111 %                                                                             %
 112 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 113 %
 114 %  RegisterPS3Image() adds properties for the PS3 image format to the list of
 115 %  supported formats.  The properties include the image format tag, a method to
 116 %  read and/or write the format, whether the format supports the saving of more
 117 %  than one frame to the same file or blob, whether the format supports native
 118 %  in-memory I/O, and a brief description of the format.
 119 %
 120 %  The format of the RegisterPS3Image method is:
 121 %
 122 %      size_t RegisterPS3Image(void)
 123 %
 124 */
 125 ModuleExport size_t RegisterPS3Image(void)
 126 {
 127   MagickInfo
 128     *entry;
 129
 130   entry=SetMagickInfo("EPS3");
 131   entry->encoder=(EncodeImageHandler *) WritePS3Image;
 132   entry->description=ConstantString("Level III Encapsulated PostScript");
 133   entry->module=ConstantString("PS3");
 134   entry->seekable_stream=MagickTrue;
 135   (void) RegisterMagickInfo(entry);
 136   entry=SetMagickInfo("PS3");
 137   entry->encoder=(EncodeImageHandler *) WritePS3Image;
 138   entry->description=ConstantString("Level III PostScript");
 139   entry->module=ConstantString("PS3");
 140   entry->seekable_stream=MagickTrue;
 141   (void) RegisterMagickInfo(entry);
 142   return(MagickImageCoderSignature);
 143 }
 144 \f
 145 /*
 146 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 147 %                                                                             %
 148 %                                                                             %
 149 %                                                                             %
 150 %   U n r e g i s t e r P S 3 I m a g e                                       %
 151 %                                                                             %
 152 %                                                                             %
 153 %                                                                             %
 154 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 155 %
 156 %  UnregisterPS3Image() removes format registrations made by the PS3 module
 157 %  from the list of supported formats.
 158 %
 159 %  The format of the UnregisterPS3Image method is:
 160 %
 161 %      UnregisterPS3Image(void)
 162 %
 163 */
 164 ModuleExport void UnregisterPS3Image(void)
 165 {
 166   (void) UnregisterMagickInfo("EPS3");
 167   (void) UnregisterMagickInfo("PS3");
 168 }
 169 \f
 170 /*
 171 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 172 %                                                                             %
 173 %                                                                             %
 174 %                                                                             %
 175 %   W r i t e P S 3 I m a g e                                                 %
 176 %                                                                             %
 177 %                                                                             %
 178 %                                                                             %
 179 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 180 %
 181 %  WritePS3Image() translates an image to encapsulated Postscript Level III
 182 %  for printing.  If the supplied geometry is null, the image is centered on
 183 %  the Postscript page.  Otherwise, the image is positioned as specified by the
 184 %  geometry.
 185 %
 186 %  The format of the WritePS3Image method is:
 187 %
 188 %      MagickBooleanType WritePS3Image(const ImageInfo *image_info,
 189 %        Image *image,ExceptionInfo *exception)
 190 %
 191 %  A description of each parameter follows:
 192 %
 193 %    o image_info: Specifies a pointer to a ImageInfo structure.
 194 %
 195 %    o image: the image.
 196 %
 197 %    o exception: return any errors or warnings in this structure.
 198 %
 199 */
 200
 201 static MagickBooleanType Huffman2DEncodeImage(const ImageInfo *image_info,
 202   Image *image,Image *inject_image)
 203 {
 204   Image
 205     *group4_image;
 206
 207   ImageInfo
 208     *write_info;
 209
 210   MagickBooleanType
 211     status;
 212
 213   size_t
 214     length;
 215
 216   unsigned char
 217     *group4;
 218
 219   status=MagickTrue;
 220   write_info=CloneImageInfo(image_info);
 221   (void) CopyMagickString(write_info->filename,"GROUP4:",MaxTextExtent);
 222   (void) CopyMagickString(write_info->magick,"GROUP4",MaxTextExtent);
 223   group4_image=CloneImage(inject_image,0,0,MagickTrue,&image->exception);
 224   if (group4_image == (Image *) NULL)
 225     return(MagickFalse);
 226   group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
 227     &image->exception);
 228   group4_image=DestroyImage(group4_image);
 229   if (group4 == (unsigned char *) NULL)
 230     return(MagickFalse);
 231   write_info=DestroyImageInfo(write_info);
 232   if (WriteBlob(image,length,group4) != (ssize_t) length)
 233     status=MagickFalse;
 234   group4=(unsigned char *) RelinquishMagickMemory(group4);
 235   return(status);
 236 }
 237
 238 static MagickBooleanType SerializeImage(const ImageInfo *image_info,
 239   Image *image,unsigned char **pixels,size_t *length)
 240 {
 241   MagickBooleanType
 242     status;
 243
 244   register const Quantum
 245     *p;
 246
 247   register ssize_t
 248     x;
 249
 250   register unsigned char
 251     *q;
 252
 253   ssize_t
 254     y;
 255
 256   assert(image != (Image *) NULL);
 257   assert(image->signature == MagickSignature);
 258   if (image->debug != MagickFalse)
 259     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 260   status=MagickTrue;
 261   *length=(image->colorspace == CMYKColorspace ? 4 : 3)*(size_t)
 262     image->columns*image->rows;
 263   *pixels=(unsigned char *) AcquireQuantumMemory(*length,sizeof(**pixels));
 264   if (*pixels == (unsigned char *) NULL)
 265     ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
 266   q=(*pixels);
 267   for (y=0; y < (ssize_t) image->rows; y++)
 268   {
 269     p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
 270     if (p == (const Quantum *) NULL)
 271       break;
 272     if (image->colorspace != CMYKColorspace)
 273       for (x=0; x < (ssize_t) image->columns; x++)
 274       {
 275         *q++=ScaleQuantumToChar(GetPixelRed(image,p));
 276         *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
 277         *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
 278         p+=GetPixelChannels(image);
 279       }
 280     else
 281       for (x=0; x < (ssize_t) image->columns; x++)
 282       {
 283         *q++=ScaleQuantumToChar(GetPixelRed(image,p));
 284         *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
 285         *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
 286         *q++=ScaleQuantumToChar(GetPixelBlack(image,p));
 287         p+=GetPixelChannels(image);
 288       }
 289     if (image->previous == (Image *) NULL)
 290       {
 291         status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
 292           image->rows);
 293         if (status == MagickFalse)
 294           break;
 295       }
 296   }
 297   if (status == MagickFalse)
 298     *pixels=(unsigned char *) RelinquishMagickMemory(*pixels);
 299   return(status);
 300 }
 301
 302 static MagickBooleanType SerializeImageChannel(const ImageInfo *image_info,
 303   Image *image,unsigned char **pixels,size_t *length)
 304 {
 305   MagickBooleanType
 306     status;
 307
 308   register const Quantum
 309     *p;
 310
 311   register ssize_t
 312     x;
 313
 314   register unsigned char
 315     *q;
 316
 317   size_t
 318     pack,
 319     padded_columns;
 320
 321   ssize_t
 322     y;
 323
 324   unsigned char
 325     code,
 326     bit;
 327
 328   assert(image != (Image *) NULL);
 329   assert(image->signature == MagickSignature);
 330   if (image->debug != MagickFalse)
 331     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 332   status=MagickTrue;
 333   pack=IsImageMonochrome(image,&image->exception) == MagickFalse ? 1UL : 8UL;
 334   padded_columns=((image->columns+pack-1)/pack)*pack;
 335   *length=(size_t) padded_columns*image->rows/pack;
 336   *pixels=(unsigned char *) AcquireQuantumMemory(*length,sizeof(**pixels));
 337   if (*pixels == (unsigned char *) NULL)
 338     ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
 339   q=(*pixels);
 340   for (y=0; y < (ssize_t) image->rows; y++)
 341   {
 342     p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
 343     if (p == (const Quantum *) NULL)
 344       break;
 345     if (pack == 1)
 346       for (x=0; x < (ssize_t) image->columns; x++)
 347       {
 348         *q++=ScaleQuantumToChar(GetPixelIntensity(image,p));
 349         p+=GetPixelChannels(image);
 350       }
 351     else
 352       {
 353         code='\0';
 354         for (x=0; x < (ssize_t) padded_columns; x++)
 355         {
 356           bit=(unsigned char) 0x00;
 357           if (x < (ssize_t) image->columns)
 358             bit=(unsigned char) (GetPixelIntensity(image,p) == (Quantum)
 359               TransparentAlpha ? 0x01 : 0x00);
 360           code=(code << 1)+bit;
 361           if (((x+1) % pack) == 0)
 362             {
 363               *q++=code;
 364               code='\0';
 365             }
 366           p+=GetPixelChannels(image);
 367         }
 368       }
 369     status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
 370       image->rows);
 371     if (status == MagickFalse)
 372       break;
 373   }
 374   if (status == MagickFalse)
 375     *pixels=(unsigned char *) RelinquishMagickMemory(*pixels);
 376   return(status);
 377 }
 378
 379 static MagickBooleanType SerializeImageIndexes(const ImageInfo *image_info,
 380   Image *image,unsigned char **pixels,size_t *length)
 381 {
 382   MagickBooleanType
 383     status;
 384
 385   register const Quantum
 386     *p;
 387
 388   register ssize_t
 389     x;
 390
 391   register unsigned char
 392     *q;
 393
 394   ssize_t
 395     y;
 396
 397   assert(image != (Image *) NULL);
 398   assert(image->signature == MagickSignature);
 399   if (image->debug != MagickFalse)
 400     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 401   status=MagickTrue;
 402   *length=(size_t) image->columns*image->rows;
 403   *pixels=(unsigned char *) AcquireQuantumMemory(*length,sizeof(**pixels));
 404   if (*pixels == (unsigned char *) NULL)
 405     ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
 406   q=(*pixels);
 407   for (y=0; y < (ssize_t) image->rows; y++)
 408   {
 409     p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
 410     if (p == (const Quantum *) NULL)
 411       break;
 412     for (x=0; x < (ssize_t) image->columns; x++)
 413     {
 414       *q++=(unsigned char) GetPixelIndex(image,p);
 415       p+=GetPixelChannels(image);
 416     }
 417     if (image->previous == (Image *) NULL)
 418       {
 419         status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
 420           image->rows);
 421         if (status == MagickFalse)
 422           break;
 423       }
 424   }
 425   if (status == MagickFalse)
 426     *pixels=(unsigned char *) RelinquishMagickMemory(*pixels);
 427   return(status);
 428 }
 429
 430 static MagickBooleanType WritePS3MaskImage(const ImageInfo *image_info,
 431   Image *image,const CompressionType compression)
 432 {
 433   ChannelType
 434     channel_mask;
 435
 436   char
 437     buffer[MaxTextExtent];
 438
 439   Image
 440     *mask_image;
 441
 442   MagickBooleanType
 443     status;
 444
 445   MagickOffsetType
 446     offset,
 447     start,
 448     stop;
 449
 450   register ssize_t
 451     i;
 452
 453   size_t
 454     length;
 455
 456   unsigned char
 457     *pixels;
 458
 459   assert(image_info != (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(image->matte != MagickFalse);
 466   status=MagickTrue;
 467   /*
 468     Note BeginData DSC comment for update later.
 469   */
 470   start=TellBlob(image);
 471   (void) FormatLocaleString(buffer,MaxTextExtent,
 472     "%%%%BeginData:%13ld %s Bytes\n",0L,compression == NoCompression ?
 473     "ASCII" : "BINARY");
 474   (void) WriteBlobString(image,buffer);
 475   stop=TellBlob(image);
 476   /*
 477     Only lossless compressions for the mask.
 478   */
 479   switch (compression)
 480   {
 481     case NoCompression:
 482     default:
 483     {
 484       (void) FormatLocaleString(buffer,MaxTextExtent,
 485         "currentfile %.20g %.20g "PS3_NoCompression" ByteStreamDecodeFilter\n",
 486         (double) image->columns,(double) image->rows);
 487       break;
 488     }
 489     case FaxCompression:
 490     case Group4Compression:
 491     {
 492       (void) FormatLocaleString(buffer,MaxTextExtent,
 493         "currentfile %.20g %.20g "PS3_FaxCompression" ByteStreamDecodeFilter\n",
 494         (double) image->columns,(double) image->rows);
 495       break;
 496     }
 497     case LZWCompression:
 498     {
 499       (void) FormatLocaleString(buffer,MaxTextExtent,
 500         "currentfile %.20g %.20g "PS3_LZWCompression" ByteStreamDecodeFilter\n",
 501         (double) image->columns,(double) image->rows);
 502       break;
 503     }
 504     case RLECompression:
 505     {
 506       (void) FormatLocaleString(buffer,MaxTextExtent,
 507         "currentfile %.20g %.20g "PS3_RLECompression" ByteStreamDecodeFilter\n",
 508         (double) image->columns,(double) image->rows);
 509       break;
 510     }
 511     case ZipCompression:
 512     {
 513       (void) FormatLocaleString(buffer,MaxTextExtent,
 514         "currentfile %.20g %.20g "PS3_ZipCompression" ByteStreamDecodeFilter\n",
 515         (double) image->columns,(double) image->rows);
 516       break;
 517     }
 518   }
 519   (void) WriteBlobString(image,buffer);
 520   (void) WriteBlobString(image,"/ReusableStreamDecode filter\n");
 521   mask_image=CloneImage(image,0,0,MagickTrue,&image->exception);
 522   if (mask_image == (Image *) NULL)
 523     ThrowWriterException(CoderError,image->exception.reason);
 524   channel_mask=SetPixelChannelMask(mask_image,AlphaChannel);
 525   status=SeparateImage(mask_image);
 526   (void) SetPixelChannelMap(mask_image,channel_mask);
 527   if (status == MagickFalse)
 528     {
 529       mask_image=DestroyImage(mask_image);
 530       return(MagickFalse);
 531     }
 532   (void) SetImageType(mask_image,BilevelType);
 533   (void) SetImageType(mask_image,PaletteType);
 534   mask_image->matte=MagickFalse;
 535   pixels=(unsigned char *) NULL;
 536   length=0;
 537   switch (compression)
 538   {
 539     case NoCompression:
 540     default:
 541     {
 542       status=SerializeImageChannel(image_info,mask_image,&pixels,&length);
 543       if (status == MagickFalse)
 544         break;
 545       Ascii85Initialize(image);
 546       for (i=0; i < (ssize_t) length; i++)
 547         Ascii85Encode(image,pixels[i]);
 548       Ascii85Flush(image);
 549       pixels=(unsigned char *) RelinquishMagickMemory(pixels);
 550       break;
 551     }
 552     case FaxCompression:
 553     case Group4Compression:
 554     {
 555       if ((compression == FaxCompression) ||
 556           (LocaleCompare(CCITTParam,"0") == 0))
 557         status=HuffmanEncodeImage(image_info,image,mask_image);
 558       else
 559         status=Huffman2DEncodeImage(image_info,image,mask_image);
 560       break;
 561     }
 562     case LZWCompression:
 563     {
 564       status=SerializeImageChannel(image_info,mask_image,&pixels,&length);
 565       if (status == MagickFalse)
 566         break;
 567       status=LZWEncodeImage(image,length,pixels);
 568       pixels=(unsigned char *) RelinquishMagickMemory(pixels);
 569       break;
 570     }
 571     case RLECompression:
 572     {
 573       status=SerializeImageChannel(image_info,mask_image,&pixels,&length);
 574       if (status == MagickFalse)
 575         break;
 576       status=PackbitsEncodeImage(image,length,pixels);
 577       pixels=(unsigned char *) RelinquishMagickMemory(pixels);
 578       break;
 579     }
 580     case ZipCompression:
 581     {
 582       status=SerializeImageChannel(image_info,mask_image,&pixels,&length);
 583       if (status == MagickFalse)
 584         break;
 585       status=ZLIBEncodeImage(image,length,pixels);
 586       pixels=(unsigned char *) RelinquishMagickMemory(pixels);
 587       break;
 588     }
 589   }
 590   mask_image=DestroyImage(mask_image);
 591   (void) WriteBlobByte(image,'\n');
 592   length=(size_t) (TellBlob(image)-stop);
 593   stop=TellBlob(image);
 594   offset=SeekBlob(image,start,SEEK_SET);
 595   if (offset < 0)
 596     ThrowWriterException(CorruptImageError,"ImproperImageHeader");
 597   (void) FormatLocaleString(buffer,MaxTextExtent,
 598     "%%%%BeginData:%13ld %s Bytes\n",(long) length,
 599     compression == NoCompression ? "ASCII" : "BINARY");
 600   (void) WriteBlobString(image,buffer);
 601   offset=SeekBlob(image,stop,SEEK_SET);
 602   if (offset < 0)
 603     ThrowWriterException(CorruptImageError,"ImproperImageHeader");
 604   (void) WriteBlobString(image,"%%EndData\n");
 605   (void) WriteBlobString(image, "/mask_stream exch def\n");
 606   return(status);
 607 }
 608
 609 static MagickBooleanType WritePS3Image(const ImageInfo *image_info,Image *image,
 610   ExceptionInfo *exception)
 611 {
 612   static const char
 613     *PostscriptProlog[]=
 614     {
 615       "/ByteStreamDecodeFilter",
 616       "{",
 617       "  /z exch def",
 618       "  /r exch def",
 619       "  /c exch def",
 620       "  z "PS3_NoCompression" eq { /ASCII85Decode filter } if",
 621       "  z "PS3_FaxCompression" eq",
 622       "  {",
 623       "    <<",
 624       "      /K "CCITTParam,
 625       "      /Columns c",
 626       "      /Rows r",
 627       "    >>",
 628       "    /CCITTFaxDecode filter",
 629       "  } if",
 630       "  z "PS3_JPEGCompression" eq { /DCTDecode filter } if",
 631       "  z "PS3_LZWCompression" eq { /LZWDecode filter } if",
 632       "  z "PS3_RLECompression" eq { /RunLengthDecode filter } if",
 633       "  z "PS3_ZipCompression" eq { /FlateDecode filter } if",
 634       "} bind def",
 635       "",
 636       "/DirectClassImageDict",
 637       "{",
 638       "  colorspace "PS3_RGBColorspace" eq",
 639       "  {",
 640       "    /DeviceRGB setcolorspace",
 641       "    <<",
 642       "      /ImageType 1",
 643       "      /Width columns",
 644       "      /Height rows",
 645       "      /BitsPerComponent 8",
 646       "      /DataSource pixel_stream",
 647       "      /MultipleDataSources false",
 648       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 649       "      /Decode [0 1 0 1 0 1]",
 650       "    >>",
 651       "  }",
 652       "  {",
 653       "    /DeviceCMYK setcolorspace",
 654       "    <<",
 655       "      /ImageType 1",
 656       "      /Width columns",
 657       "      /Height rows",
 658       "      /BitsPerComponent 8",
 659       "      /DataSource pixel_stream",
 660       "      /MultipleDataSources false",
 661       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 662       "      /Decode",
 663       "        compression "PS3_JPEGCompression" eq",
 664       "        { [1 0 1 0 1 0 1 0] }",
 665       "        { [0 1 0 1 0 1 0 1] }",
 666       "        ifelse",
 667       "    >>",
 668       "  }",
 669       "  ifelse",
 670       "} bind def",
 671       "",
 672       "/PseudoClassImageDict",
 673       "{",
 674       "  % Colors in colormap image.",
 675       "  currentfile buffer readline pop",
 676       "  token pop /colors exch def pop",
 677       "  colors 0 eq",
 678       "  {",
 679       "    % Depth of grayscale image.",
 680       "    currentfile buffer readline pop",
 681       "    token pop /bits exch def pop",
 682       "    /DeviceGray setcolorspace",
 683       "    <<",
 684       "      /ImageType 1",
 685       "      /Width columns",
 686       "      /Height rows",
 687       "      /BitsPerComponent bits",
 688       "      /Decode [0 1]",
 689       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 690       "      /DataSource pixel_stream",
 691       "    >>",
 692       "  }",
 693       "  {",
 694       "    % RGB colormap.",
 695       "    /colormap colors 3 mul string def",
 696       "    compression "PS3_NoCompression" eq",
 697       "    { currentfile /ASCII85Decode filter colormap readstring pop pop }",
 698       "    { currentfile colormap readstring pop pop }",
 699       "    ifelse",
 700       "    [ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace",
 701       "    <<",
 702       "      /ImageType 1",
 703       "      /Width columns",
 704       "      /Height rows",
 705       "      /BitsPerComponent 8",
 706       "      /Decode [0 255]",
 707       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 708       "      /DataSource pixel_stream",
 709       "    >>",
 710       "  }",
 711       "  ifelse",
 712       "} bind def",
 713       "",
 714       "/NonMaskedImageDict",
 715       "{",
 716       "  class "PS3_PseudoClass" eq",
 717       "  { PseudoClassImageDict }",
 718       "  { DirectClassImageDict }",
 719       "  ifelse",
 720       "} bind def",
 721       "",
 722       "/MaskedImageDict",
 723       "{",
 724       "  <<",
 725       "    /ImageType 3",
 726       "    /InterleaveType 3",
 727       "    /DataDict NonMaskedImageDict",
 728       "    /MaskDict",
 729       "    <<",
 730       "      /ImageType 1",
 731       "      /Width columns",
 732       "      /Height rows",
 733       "      /BitsPerComponent 1",
 734       "      /DataSource mask_stream",
 735       "      /MultipleDataSources false",
 736       "      /ImageMatrix [ columns 0 0 rows neg 0 rows]",
 737       "      /Decode [ 0 1 ]",
 738       "    >>",
 739       "  >>",
 740       "} bind def",
 741       "",
 742       "/ClipImage",
 743       "{} def",
 744       "",
 745       "/DisplayImage",
 746       "{",
 747       "  /buffer 512 string def",
 748       "  % Translation.",
 749       "  currentfile buffer readline pop",
 750       "  token pop /x exch def",
 751       "  token pop /y exch def pop",
 752       "  x y translate",
 753       "  % Image size and font size.",
 754       "  currentfile buffer readline pop",
 755       "  token pop /x exch def",
 756       "  token pop /y exch def pop",
 757       "  currentfile buffer readline pop",
 758       "  token pop /pointsize exch def pop",
 759       (char *) NULL
 760     },
 761     *PostscriptEpilog[]=
 762     {
 763       "  x y scale",
 764       "  % Clipping path.",
 765       "  currentfile buffer readline pop",
 766       "  token pop /clipped exch def pop",
 767       "  % Showpage.",
 768       "  currentfile buffer readline pop",
 769       "  token pop /sp exch def pop",
 770       "  % Image pixel size.",
 771       "  currentfile buffer readline pop",
 772       "  token pop /columns exch def",
 773       "  token pop /rows exch def pop",
 774       "  % Colorspace (RGB/CMYK).",
 775       "  currentfile buffer readline pop",
 776       "  token pop /colorspace exch def pop",
 777       "  % Transparency.",
 778       "  currentfile buffer readline pop",
 779       "  token pop /alpha exch def pop",
 780       "  % Stencil mask?",
 781       "  currentfile buffer readline pop",
 782       "  token pop /stencil exch def pop",
 783       "  % Image class (direct/pseudo).",
 784       "  currentfile buffer readline pop",
 785       "  token pop /class exch def pop",
 786       "  % Compression type.",
 787       "  currentfile buffer readline pop",
 788       "  token pop /compression exch def pop",
 789       "  % Clip and render.",
 790       "  /pixel_stream currentfile columns rows compression ByteStreamDecodeFilter def",
 791       "  clipped { ClipImage } if",
 792       "  alpha stencil not and",
 793       "  { MaskedImageDict mask_stream resetfile }",
 794       "  { NonMaskedImageDict }",
 795       "  ifelse",
 796       "  stencil { 0 setgray imagemask } { image } ifelse",
 797       "  sp { showpage } if",
 798       "} bind def",
 799       (char *) NULL
 800     };
 801
 802   char
 803     buffer[MaxTextExtent],
 804     date[MaxTextExtent],
 805     **labels,
 806     page_geometry[MaxTextExtent];
 807
 808   CompressionType
 809     compression;
 810
 811   const char
 812     *option,
 813     **q,
 814     *value;
 815
 816   double
 817     pointsize;
 818
 819   GeometryInfo
 820     geometry_info;
 821
 822   MagickBooleanType
 823     status;
 824
 825   MagickOffsetType
 826     offset,
 827     scene,
 828     start,
 829     stop;
 830
 831   MagickStatusType
 832     flags;
 833
 834   PointInfo
 835     delta,
 836     resolution,
 837     scale;
 838
 839   RectangleInfo
 840     geometry,
 841     media_info,
 842     page_info;
 843
 844   register ssize_t
 845     i;
 846
 847   SegmentInfo
 848     bounds;
 849
 850   size_t
 851     length,
 852     page,
 853     pixel,
 854     text_size;
 855
 856   ssize_t
 857     j;
 858
 859   time_t
 860     timer;
 861
 862   unsigned char
 863     *pixels;
 864
 865   /*
 866     Open output image file.
 867   */
 868   assert(image_info != (const ImageInfo *) NULL);
 869   assert(image_info->signature == MagickSignature);
 870   assert(image != (Image *) NULL);
 871   assert(image->signature == MagickSignature);
 872   if (image->debug != MagickFalse)
 873     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 874   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
 875   if (status == MagickFalse)
 876     return(MagickFalse);
 877   compression=image->compression;
 878   if (image_info->compression != UndefinedCompression)
 879     compression=image_info->compression;
 880   switch (compression)
 881   {
 882     case FaxCompression:
 883     case Group4Compression:
 884     {
 885       if ((IsImageMonochrome(image,exception) == MagickFalse) ||
 886           (image->matte != MagickFalse))
 887         compression=RLECompression;
 888       break;
 889     }
 890 #if !defined(MAGICKCORE_JPEG_DELEGATE)
 891     case JPEGCompression:
 892     {
 893       compression=RLECompression;
 894       (void) ThrowMagickException(exception,GetMagickModule(),
 895         MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
 896         image->filename);
 897       break;
 898     }
 899 #endif
 900 #if !defined(MAGICKCORE_ZLIB_DELEGATE)
 901     case ZipCompression:
 902     {
 903       compression=RLECompression;
 904       (void) ThrowMagickException(exception,GetMagickModule(),
 905         MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (ZLIB)",
 906         image->filename);
 907       break;
 908     }
 909 #endif
 910     default:
 911       break;
 912   }
 913   (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
 914   page=0;
 915   scene=0;
 916   do
 917   {
 918     /*
 919       Scale relative to dots-per-inch.
 920     */
 921     delta.x=DefaultResolution;
 922     delta.y=DefaultResolution;
 923     resolution.x=image->x_resolution;
 924     resolution.y=image->y_resolution;
 925     if ((resolution.x == 0.0) || (resolution.y == 0.0))
 926       {
 927         flags=ParseGeometry(PSDensityGeometry,&geometry_info);
 928         resolution.x=geometry_info.rho;
 929         resolution.y=geometry_info.sigma;
 930         if ((flags & SigmaValue) == 0)
 931           resolution.y=resolution.x;
 932       }
 933     if (image_info->density != (char *) NULL)
 934       {
 935         flags=ParseGeometry(image_info->density,&geometry_info);
 936         resolution.x=geometry_info.rho;
 937         resolution.y=geometry_info.sigma;
 938         if ((flags & SigmaValue) == 0)
 939           resolution.y=resolution.x;
 940       }
 941     if (image->units == PixelsPerCentimeterResolution)
 942       {
 943         resolution.x=(size_t) (100.0*2.54*resolution.x+0.5)/100.0;
 944         resolution.y=(size_t) (100.0*2.54*resolution.y+0.5)/100.0;
 945       }
 946     SetGeometry(image,&geometry);
 947     (void) FormatLocaleString(page_geometry,MaxTextExtent,"%.20gx%.20g",
 948       (double) image->columns,(double) image->rows);
 949     if (image_info->page != (char *) NULL)
 950       (void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
 951     else
 952       if ((image->page.width != 0) && (image->page.height != 0))
 953         (void) FormatLocaleString(page_geometry,MaxTextExtent,
 954           "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double)
 955           image->page.height,(double) image->page.x,(double) image->page.y);
 956       else
 957         if ((image->gravity != UndefinedGravity) &&
 958             (LocaleCompare(image_info->magick,"PS") == 0))
 959           (void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
 960     (void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
 961     (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
 962       &geometry.width,&geometry.height);
 963     scale.x=(double) (geometry.width*delta.x)/resolution.x;
 964     geometry.width=(size_t) floor(scale.x+0.5);
 965     scale.y=(double) (geometry.height*delta.y)/resolution.y;
 966     geometry.height=(size_t) floor(scale.y+0.5);
 967     (void) ParseAbsoluteGeometry(page_geometry,&media_info);
 968     (void) ParseGravityGeometry(image,page_geometry,&page_info,exception);
 969     if (image->gravity != UndefinedGravity)
 970       {
 971         geometry.x=(-page_info.x);
 972         geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
 973       }
 974     pointsize=12.0;
 975     if (image_info->pointsize != 0.0)
 976       pointsize=image_info->pointsize;
 977     text_size=0;
 978     value=GetImageProperty(image,"label");
 979     if (value != (const char *) NULL)
 980       text_size=(size_t) (MultilineCensus(value)*pointsize+12);
 981     page++;
 982     if (page == 1)
 983       {
 984         /*
 985           Postscript header on the first page.
 986         */
 987         if (LocaleCompare(image_info->magick,"PS3") == 0)
 988           (void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MaxTextExtent);
 989         else
 990           (void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
 991             MaxTextExtent);
 992         (void) WriteBlobString(image,buffer);
 993         (void) FormatLocaleString(buffer,MaxTextExtent,
 994           "%%%%Creator: ImageMagick %s\n",MagickLibVersionText);
 995         (void) WriteBlobString(image,buffer);
 996         (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Title: %s\n",
 997           image->filename);
 998         (void) WriteBlobString(image,buffer);
 999         timer=time((time_t *) NULL);
1000         (void) FormatMagickTime(timer,MaxTextExtent,date);
1001         (void) FormatLocaleString(buffer,MaxTextExtent,
1002           "%%%%CreationDate: %s\n",date);
1003         (void) WriteBlobString(image,buffer);
1004         bounds.x1=(double) geometry.x;
1005         bounds.y1=(double) geometry.y;
1006         bounds.x2=(double) geometry.x+scale.x;
1007         bounds.y2=(double) geometry.y+scale.y+text_size;
1008         if ((image_info->adjoin != MagickFalse) &&
1009             (GetNextImageInList(image) != (Image *) NULL))
1010           {
1011             (void) WriteBlobString(image,"%%BoundingBox: (atend)\n");
1012             (void) WriteBlobString(image,"%%HiResBoundingBox: (atend)\n");
1013           }
1014         else
1015           {
1016             (void) FormatLocaleString(buffer,MaxTextExtent,
1017               "%%%%BoundingBox: %g %g %g %g\n",floor(bounds.x1+0.5),
1018               floor(bounds.y1+0.5),ceil(bounds.x2-0.5),ceil(bounds.y2-0.5));
1019             (void) WriteBlobString(image,buffer);
1020             (void) FormatLocaleString(buffer,MaxTextExtent,
1021               "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,
1022               bounds.y1,bounds.x2,bounds.y2);
1023             (void) WriteBlobString(image,buffer);
1024             if (image->colorspace == CMYKColorspace)
1025               (void) WriteBlobString(image,
1026                 "%%DocumentProcessColors: Cyan Magenta Yellow Black\n");
1027             else
1028               if (IsImageGray(image,exception) != MagickFalse)
1029                 (void) WriteBlobString(image,
1030                   "%%DocumentProcessColors: Black\n");
1031           }
1032         /*
1033           Font resources
1034         */
1035         value=GetImageProperty(image,"label");
1036         if (value != (const char *) NULL)
1037           (void) WriteBlobString(image,
1038             "%%DocumentNeededResources: font Helvetica\n");
1039         (void) WriteBlobString(image,"%%LanguageLevel: 3\n");
1040         /*
1041           Pages, orientation and order.
1042         */
1043         if (LocaleCompare(image_info->magick,"PS3") != 0)
1044           (void) WriteBlobString(image,"%%Pages: 1\n");
1045         else
1046           {
1047             (void) WriteBlobString(image,"%%Orientation: Portrait\n");
1048             (void) WriteBlobString(image,"%%PageOrder: Ascend\n");
1049             if (image_info->adjoin == MagickFalse)
1050               (void) CopyMagickString(buffer,"%%Pages: 1\n",MaxTextExtent);
1051             else
1052               (void) FormatLocaleString(buffer,MaxTextExtent,
1053                 "%%%%Pages: %.20g\n",(double) GetImageListLength(image));
1054             (void) WriteBlobString(image,buffer);
1055           }
1056         (void) WriteBlobString(image,"%%EndComments\n");
1057         /*
1058           The static postscript procedures prolog.
1059         */
1060         (void)WriteBlobString(image,"%%BeginProlog\n");
1061         for (q=PostscriptProlog; *q; q++)
1062         {
1063           (void) WriteBlobString(image,*q);
1064           (void) WriteBlobByte(image,'\n');
1065         }
1066         /*
1067           One label line for each line in label string.
1068         */
1069         value=GetImageProperty(image,"label");
1070         if (value != (const char *) NULL)
1071           {
1072               (void) WriteBlobString(image,"\n  %% Labels.\n  /Helvetica "
1073               " findfont pointsize scalefont setfont\n");
1074             for (i=(ssize_t) MultilineCensus(value)-1; i >= 0; i--)
1075             {
1076               (void) WriteBlobString(image,
1077                 "  currentfile buffer readline pop token pop\n");
1078               (void) FormatLocaleString(buffer,MaxTextExtent,
1079                 "  0 y %g add moveto show pop\n",i*pointsize+12);
1080               (void) WriteBlobString(image,buffer);
1081             }
1082           }
1083         /*
1084           The static postscript procedures epilog.
1085         */
1086         for (q=PostscriptEpilog; *q; q++)
1087         {
1088           (void) WriteBlobString(image,*q);
1089           (void) WriteBlobByte(image,'\n');
1090         }
1091         (void)WriteBlobString(image,"%%EndProlog\n");
1092       }
1093     (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Page: 1 %.20g\n",
1094       (double) page);
1095     (void) WriteBlobString(image,buffer);
1096     /*
1097       Page bounding box.
1098     */
1099     (void) FormatLocaleString(buffer,MaxTextExtent,
1100       "%%%%PageBoundingBox: %.20g %.20g %.20g %.20g\n",(double) geometry.x,
1101        (double) geometry.y,geometry.x+(double) geometry.width,geometry.y+
1102        (double) (geometry.height+text_size));
1103     (void) WriteBlobString(image,buffer);
1104     /*
1105       Page process colors if not RGB.
1106     */
1107     if (image->colorspace == CMYKColorspace)
1108       (void) WriteBlobString(image,
1109         "%%PageProcessColors: Cyan Magenta Yellow Black\n");
1110     else
1111       if (IsImageGray(image,exception) != MagickFalse)
1112         (void) WriteBlobString(image,"%%PageProcessColors: Black\n");
1113     /*
1114       Adjust document bounding box to bound page bounding box.
1115     */
1116     if ((double) geometry.x < bounds.x1)
1117       bounds.x1=(double) geometry.x;
1118     if ((double) geometry.y < bounds.y1)
1119       bounds.y1=(double) geometry.y;
1120     if ((double) (geometry.x+scale.x) > bounds.x2)
1121       bounds.x2=(double) geometry.x+scale.x;
1122     if ((double) (geometry.y+scale.y+text_size) > bounds.y2)
1123       bounds.y2=(double) geometry.y+scale.y+text_size;
1124     /*
1125       Page font resource if there's a label.
1126     */
1127     value=GetImageProperty(image,"label");
1128     if (value != (const char *) NULL)
1129       (void) WriteBlobString(image,"%%PageResources: font Helvetica\n");
1130     /*
1131       PS clipping path from Photoshop clipping path.
1132     */
1133     if ((image->clip_mask == (Image *) NULL) ||
1134         (LocaleNCompare("8BIM:",image->clip_mask->magick_filename,5) != 0))
1135       (void) WriteBlobString(image,"/ClipImage {} def\n");
1136     else
1137       {
1138         const char
1139           *value;
1140
1141         value=GetImageProperty(image,image->clip_mask->magick_filename);
1142         if (value == (const char *) NULL)
1143           return(MagickFalse);
1144         (void) WriteBlobString(image,value);
1145         (void) WriteBlobByte(image,'\n');
1146       }
1147     /*
1148       Push a dictionary for our own def's if this an EPS.
1149     */
1150     if (LocaleCompare(image_info->magick,"PS3") != 0)
1151       (void) WriteBlobString(image,"userdict begin\n");
1152     /*
1153       Image mask.
1154     */
1155     if ((image->matte != MagickFalse) &&
1156         (WritePS3MaskImage(image_info,image,compression) == MagickFalse))
1157       {
1158         (void) CloseBlob(image);
1159         return(MagickFalse);
1160       }
1161     /*
1162       Remember position of BeginData comment so we can update it.
1163     */
1164     start=TellBlob(image);
1165     (void) FormatLocaleString(buffer,MaxTextExtent,
1166       "%%%%BeginData:%13ld %s Bytes\n",0L,
1167       compression == NoCompression ? "ASCII" : "BINARY");
1168     (void) WriteBlobString(image,buffer);
1169     stop=TellBlob(image);
1170     (void) WriteBlobString(image,"DisplayImage\n");
1171     /*
1172       Translate, scale, and font point size.
1173     */
1174     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%g %g\n%g\n",
1175       (double) geometry.x,(double) geometry.y,scale.x,scale.y,pointsize);
1176     (void) WriteBlobString(image,buffer);
1177     /*
1178       Output labels.
1179     */
1180     labels=(char **) NULL;
1181     value=GetImageProperty(image,"label");
1182     if (value != (const char *) NULL)
1183       labels=StringToList(value);
1184     if (labels != (char **) NULL)
1185       {
1186         for (i=0; labels[i] != (char *) NULL; i++)
1187         {
1188           if (compression != NoCompression)
1189             {
1190               for (j=0; labels[i][j] != '\0'; j++)
1191                 (void) WriteBlobByte(image,(unsigned char) labels[i][j]);
1192               (void) WriteBlobByte(image,'\n');
1193             }
1194           else
1195             {
1196               (void) WriteBlobString(image,"<~");
1197               Ascii85Initialize(image);
1198               for (j=0; labels[i][j] != '\0'; j++)
1199                 Ascii85Encode(image,(unsigned char) labels[i][j]);
1200               Ascii85Flush(image);
1201             }
1202           labels[i]=DestroyString(labels[i]);
1203         }
1204         labels=(char **) RelinquishMagickMemory(labels);
1205       }
1206     /*
1207       Photoshop clipping path active?
1208     */
1209     if ((image->clip_mask != (Image *) NULL) &&
1210         (LocaleNCompare("8BIM:",image->clip_mask->magick_filename,5) == 0))
1211         (void) WriteBlobString(image,"true\n");
1212       else
1213         (void) WriteBlobString(image,"false\n");
1214     /*
1215       Showpage for non-EPS.
1216     */
1217     (void) WriteBlobString(image, LocaleCompare(image_info->magick,"PS3") == 0 ?
1218       "true\n" : "false\n");
1219     /*
1220       Image columns, rows, and color space.
1221     */
1222     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%s\n",
1223       (double) image->columns,(double) image->rows,image->colorspace ==
1224       CMYKColorspace ? PS3_CMYKColorspace : PS3_RGBColorspace);
1225     (void) WriteBlobString(image,buffer);
1226     /*
1227       Masked image?
1228     */
1229     (void) WriteBlobString(image,image->matte != MagickFalse ?
1230       "true\n" : "false\n");
1231     /*
1232       Render with imagemask operator?
1233     */
1234     option=GetImageOption(image_info,"ps3:imagemask");
1235     (void) WriteBlobString(image,((option != (const char *) NULL) &&
1236       (IsImageMonochrome(image,exception) != MagickFalse)) ?
1237       "true\n" : "false\n");
1238     /*
1239       Output pixel data.
1240     */
1241     pixels=(unsigned char *) NULL;
1242     length=0;
1243     if ((image_info->type != TrueColorType) &&
1244         (image_info->type != TrueColorMatteType) &&
1245         (image_info->type != ColorSeparationType) &&
1246         (image_info->type != ColorSeparationMatteType) &&
1247         (image->colorspace != CMYKColorspace) &&
1248         ((IsImageGray(image,exception) != MagickFalse) ||
1249          (IsImageMonochrome(image,exception) != MagickFalse)))
1250       {
1251         /*
1252           Gray images.
1253         */
1254         (void) WriteBlobString(image,PS3_PseudoClass"\n");
1255         switch (compression)
1256         {
1257           case NoCompression:
1258           default:
1259           {
1260             (void) WriteBlobString(image,PS3_NoCompression"\n");
1261             break;
1262           }
1263           case FaxCompression:
1264           case Group4Compression:
1265           {
1266             (void) WriteBlobString(image,PS3_FaxCompression"\n");
1267             break;
1268           }
1269           case JPEGCompression:
1270           {
1271             (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1272             break;
1273           }
1274           case LZWCompression:
1275           {
1276             (void) WriteBlobString(image,PS3_LZWCompression"\n");
1277             break;
1278           }
1279           case RLECompression:
1280           {
1281             (void) WriteBlobString(image,PS3_RLECompression"\n");
1282             break;
1283           }
1284           case ZipCompression:
1285           {
1286             (void) WriteBlobString(image,PS3_ZipCompression"\n");
1287             break;
1288           }
1289         }
1290         /*
1291           Number of colors -- 0 for single component non-color mapped data.
1292         */
1293         (void) WriteBlobString(image,"0\n");
1294         /*
1295           1 bit or 8 bit components?
1296         */
1297         (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
1298           IsImageMonochrome(image,exception) != MagickFalse ? 1 : 8);
1299         (void) WriteBlobString(image,buffer);
1300         /*
1301           Image data.
1302         */
1303         if (compression == JPEGCompression)
1304           status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1305         else
1306           if ((compression == FaxCompression) ||
1307               (compression == Group4Compression))
1308             {
1309               if (LocaleCompare(CCITTParam,"0") == 0)
1310                 status=HuffmanEncodeImage(image_info,image,image);
1311               else
1312                 status=Huffman2DEncodeImage(image_info,image,image);
1313             }
1314           else
1315             {
1316               status=SerializeImageChannel(image_info,image,&pixels,&length);
1317               if (status == MagickFalse)
1318                 {
1319                   (void) CloseBlob(image);
1320                   return(MagickFalse);
1321                 }
1322               switch (compression)
1323               {
1324                 case NoCompression:
1325                 default:
1326                 {
1327                   Ascii85Initialize(image);
1328                   for (i=0; i < (ssize_t) length; i++)
1329                     Ascii85Encode(image,pixels[i]);
1330                   Ascii85Flush(image);
1331                   status=MagickTrue;
1332                   break;
1333                 }
1334                 case LZWCompression:
1335                 {
1336                   status=LZWEncodeImage(image,length,pixels);
1337                   break;
1338                 }
1339                 case RLECompression:
1340                 {
1341                   status=PackbitsEncodeImage(image,length,pixels);
1342                   break;
1343                 }
1344                 case ZipCompression:
1345                 {
1346                   status=ZLIBEncodeImage(image,length,pixels);
1347                   break;
1348                 }
1349               }
1350               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1351             }
1352       }
1353     else
1354       if ((image->storage_class == DirectClass) || (image->colors > 256) ||
1355           (compression == JPEGCompression))
1356         {
1357           /*
1358             Truecolor image.
1359           */
1360           (void) WriteBlobString(image,PS3_DirectClass"\n");
1361           switch (compression)
1362           {
1363             case NoCompression:
1364             default:
1365             {
1366               (void) WriteBlobString(image,PS3_NoCompression"\n");
1367               break;
1368             }
1369             case RLECompression:
1370             {
1371               (void) WriteBlobString(image,PS3_RLECompression"\n");
1372               break;
1373             }
1374             case JPEGCompression:
1375             {
1376               (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1377               break;
1378             }
1379             case LZWCompression:
1380             {
1381               (void) WriteBlobString(image,PS3_LZWCompression"\n");
1382               break;
1383             }
1384             case ZipCompression:
1385             {
1386               (void) WriteBlobString(image,PS3_ZipCompression"\n");
1387               break;
1388             }
1389           }
1390           /*
1391             Image data.
1392           */
1393           if (compression == JPEGCompression)
1394             status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1395           else
1396             {
1397               /*
1398                 Stream based compressions.
1399               */
1400               status=SerializeImage(image_info,image,&pixels,&length);
1401               if (status == MagickFalse)
1402                 {
1403                   (void) CloseBlob(image);
1404                   return(MagickFalse);
1405                 }
1406               switch (compression)
1407               {
1408                 case NoCompression:
1409                 default:
1410                 {
1411                   Ascii85Initialize(image);
1412                   for (i=0; i < (ssize_t) length; i++)
1413                     Ascii85Encode(image,pixels[i]);
1414                   Ascii85Flush(image);
1415                   status=MagickTrue;
1416                   break;
1417                 }
1418                 case RLECompression:
1419                 {
1420                   status=PackbitsEncodeImage(image,length,pixels);
1421                   break;
1422                 }
1423                 case LZWCompression:
1424                 {
1425                   status=LZWEncodeImage(image,length,pixels);
1426                   break;
1427                 }
1428                 case ZipCompression:
1429                 {
1430                   status=ZLIBEncodeImage(image,length,pixels);
1431                   break;
1432                 }
1433               }
1434               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1435             }
1436           }
1437         else
1438           {
1439             /*
1440               Colormapped images.
1441             */
1442             (void) WriteBlobString(image,PS3_PseudoClass"\n");
1443             switch (compression)
1444             {
1445               case NoCompression:
1446               default:
1447               {
1448                 (void) WriteBlobString(image,PS3_NoCompression"\n");
1449                 break;
1450               }
1451               case JPEGCompression:
1452               {
1453                 (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1454                 break;
1455               }
1456               case RLECompression:
1457               {
1458                 (void) WriteBlobString(image,PS3_RLECompression"\n");
1459                 break;
1460               }
1461               case LZWCompression:
1462               {
1463                 (void) WriteBlobString(image,PS3_LZWCompression"\n");
1464                 break;
1465               }
1466               case ZipCompression:
1467               {
1468                 (void) WriteBlobString(image,PS3_ZipCompression"\n");
1469                 break;
1470               }
1471             }
1472             /*
1473               Number of colors in color map.
1474             */
1475             (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",
1476               (double) image->colors);
1477             (void) WriteBlobString(image,buffer);
1478             /*
1479               Color map - uncompressed.
1480             */
1481             if ((compression != NoCompression) &&
1482                 (compression != UndefinedCompression))
1483               {
1484                 for (i=0; i < (ssize_t) image->colors; i++)
1485                 {
1486                   pixel=ScaleQuantumToChar(image->colormap[i].red);
1487                   (void) WriteBlobByte(image,(unsigned char) pixel);
1488                   pixel=ScaleQuantumToChar(image->colormap[i].green);
1489                   (void) WriteBlobByte(image,(unsigned char) pixel);
1490                   pixel=ScaleQuantumToChar(image->colormap[i].blue);
1491                   (void) WriteBlobByte(image,(unsigned char) pixel);
1492                 }
1493               }
1494             else
1495               {
1496                 Ascii85Initialize(image);
1497                 for (i=0; i < (ssize_t) image->colors; i++)
1498                 {
1499                   pixel=ScaleQuantumToChar(image->colormap[i].red);
1500                   Ascii85Encode(image,(unsigned char) pixel);
1501                   pixel=ScaleQuantumToChar(image->colormap[i].green);
1502                   Ascii85Encode(image,(unsigned char) pixel);
1503                   pixel=ScaleQuantumToChar(image->colormap[i].blue);
1504                   Ascii85Encode(image,(unsigned char) pixel);
1505                 }
1506                 Ascii85Flush(image);
1507               }
1508             status=SerializeImageIndexes(image_info,image,&pixels,&length);
1509             if (status == MagickFalse)
1510               {
1511                 (void) CloseBlob(image);
1512                 return(MagickFalse);
1513               }
1514             switch (compression)
1515             {
1516               case NoCompression:
1517               default:
1518               {
1519                 Ascii85Initialize(image);
1520                 for (i=0; i < (ssize_t) length; i++)
1521                   Ascii85Encode(image,pixels[i]);
1522                 Ascii85Flush(image);
1523                 status=MagickTrue;
1524                 break;
1525               }
1526               case JPEGCompression:
1527               {
1528                 status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1529                 break;
1530               }
1531               case RLECompression:
1532               {
1533                 status=PackbitsEncodeImage(image,length,pixels);
1534                 break;
1535               }
1536               case LZWCompression:
1537               {
1538                 status=LZWEncodeImage(image,length,pixels);
1539                 break;
1540               }
1541               case ZipCompression:
1542               {
1543                 status=ZLIBEncodeImage(image,length,pixels);
1544                 break;
1545               }
1546             }
1547             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1548           }
1549     (void) WriteBlobByte(image,'\n');
1550     if (status == MagickFalse)
1551       {
1552         (void) CloseBlob(image);
1553         return(MagickFalse);
1554       }
1555     /*
1556       Update BeginData now that we know the data size.
1557     */
1558     length=(size_t) (TellBlob(image)-stop);
1559     stop=TellBlob(image);
1560     offset=SeekBlob(image,start,SEEK_SET);
1561     if (offset < 0)
1562       ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1563     (void) FormatLocaleString(buffer,MaxTextExtent,
1564       "%%%%BeginData:%13ld %s Bytes\n",(long) length,
1565       compression == NoCompression ? "ASCII" : "BINARY");
1566     (void) WriteBlobString(image,buffer);
1567     offset=SeekBlob(image,stop,SEEK_SET);
1568     (void) WriteBlobString(image,"%%EndData\n");
1569     /*
1570       End private dictionary if this an EPS.
1571     */
1572     if (LocaleCompare(image_info->magick,"PS3") != 0)
1573       (void) WriteBlobString(image,"end\n");
1574     (void) WriteBlobString(image,"%%PageTrailer\n");
1575     if (GetNextImageInList(image) == (Image *) NULL)
1576       break;
1577     image=SyncNextImageInList(image);
1578     status=SetImageProgress(image,SaveImagesTag,scene++,
1579       GetImageListLength(image));
1580     if (status == MagickFalse)
1581       break;
1582   } while (image_info->adjoin != MagickFalse);
1583   (void) WriteBlobString(image,"%%Trailer\n");
1584   if (page > 1)
1585     {
1586       (void) FormatLocaleString(buffer,MaxTextExtent,
1587         "%%%%BoundingBox: %g %g %g %g\n",floor(bounds.x1+0.5),
1588         floor(bounds.y1+0.5),ceil(bounds.x2-0.5),ceil(bounds.y2-0.5));
1589       (void) WriteBlobString(image,buffer);
1590       (void) FormatLocaleString(buffer,MaxTextExtent,
1591         "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,
1592         bounds.x2,bounds.y2);
1593       (void) WriteBlobString(image,buffer);
1594     }
1595   (void) WriteBlobString(image,"%%EOF\n");
1596   (void) CloseBlob(image);
1597   return(MagickTrue);
1598 }