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   assert(exception != (ExceptionInfo *) NULL);
 875   assert(exception->signature == MagickSignature);
 876   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
 877   if (status == MagickFalse)
 878     return(MagickFalse);
 879   compression=image->compression;
 880   if (image_info->compression != UndefinedCompression)
 881     compression=image_info->compression;
 882   switch (compression)
 883   {
 884     case FaxCompression:
 885     case Group4Compression:
 886     {
 887       if ((IsImageMonochrome(image,exception) == MagickFalse) ||
 888           (image->matte != MagickFalse))
 889         compression=RLECompression;
 890       break;
 891     }
 892 #if !defined(MAGICKCORE_JPEG_DELEGATE)
 893     case JPEGCompression:
 894     {
 895       compression=RLECompression;
 896       (void) ThrowMagickException(exception,GetMagickModule(),
 897         MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
 898         image->filename);
 899       break;
 900     }
 901 #endif
 902 #if !defined(MAGICKCORE_ZLIB_DELEGATE)
 903     case ZipCompression:
 904     {
 905       compression=RLECompression;
 906       (void) ThrowMagickException(exception,GetMagickModule(),
 907         MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (ZLIB)",
 908         image->filename);
 909       break;
 910     }
 911 #endif
 912     default:
 913       break;
 914   }
 915   (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
 916   page=0;
 917   scene=0;
 918   do
 919   {
 920     /*
 921       Scale relative to dots-per-inch.
 922     */
 923     delta.x=DefaultResolution;
 924     delta.y=DefaultResolution;
 925     resolution.x=image->x_resolution;
 926     resolution.y=image->y_resolution;
 927     if ((resolution.x == 0.0) || (resolution.y == 0.0))
 928       {
 929         flags=ParseGeometry(PSDensityGeometry,&geometry_info);
 930         resolution.x=geometry_info.rho;
 931         resolution.y=geometry_info.sigma;
 932         if ((flags & SigmaValue) == 0)
 933           resolution.y=resolution.x;
 934       }
 935     if (image_info->density != (char *) NULL)
 936       {
 937         flags=ParseGeometry(image_info->density,&geometry_info);
 938         resolution.x=geometry_info.rho;
 939         resolution.y=geometry_info.sigma;
 940         if ((flags & SigmaValue) == 0)
 941           resolution.y=resolution.x;
 942       }
 943     if (image->units == PixelsPerCentimeterResolution)
 944       {
 945         resolution.x=(size_t) (100.0*2.54*resolution.x+0.5)/100.0;
 946         resolution.y=(size_t) (100.0*2.54*resolution.y+0.5)/100.0;
 947       }
 948     SetGeometry(image,&geometry);
 949     (void) FormatLocaleString(page_geometry,MaxTextExtent,"%.20gx%.20g",
 950       (double) image->columns,(double) image->rows);
 951     if (image_info->page != (char *) NULL)
 952       (void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
 953     else
 954       if ((image->page.width != 0) && (image->page.height != 0))
 955         (void) FormatLocaleString(page_geometry,MaxTextExtent,
 956           "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double)
 957           image->page.height,(double) image->page.x,(double) image->page.y);
 958       else
 959         if ((image->gravity != UndefinedGravity) &&
 960             (LocaleCompare(image_info->magick,"PS") == 0))
 961           (void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
 962     (void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
 963     (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
 964       &geometry.width,&geometry.height);
 965     scale.x=(double) (geometry.width*delta.x)/resolution.x;
 966     geometry.width=(size_t) floor(scale.x+0.5);
 967     scale.y=(double) (geometry.height*delta.y)/resolution.y;
 968     geometry.height=(size_t) floor(scale.y+0.5);
 969     (void) ParseAbsoluteGeometry(page_geometry,&media_info);
 970     (void) ParseGravityGeometry(image,page_geometry,&page_info,exception);
 971     if (image->gravity != UndefinedGravity)
 972       {
 973         geometry.x=(-page_info.x);
 974         geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
 975       }
 976     pointsize=12.0;
 977     if (image_info->pointsize != 0.0)
 978       pointsize=image_info->pointsize;
 979     text_size=0;
 980     value=GetImageProperty(image,"label");
 981     if (value != (const char *) NULL)
 982       text_size=(size_t) (MultilineCensus(value)*pointsize+12);
 983     page++;
 984     if (page == 1)
 985       {
 986         /*
 987           Postscript header on the first page.
 988         */
 989         if (LocaleCompare(image_info->magick,"PS3") == 0)
 990           (void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MaxTextExtent);
 991         else
 992           (void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
 993             MaxTextExtent);
 994         (void) WriteBlobString(image,buffer);
 995         (void) FormatLocaleString(buffer,MaxTextExtent,
 996           "%%%%Creator: ImageMagick %s\n",MagickLibVersionText);
 997         (void) WriteBlobString(image,buffer);
 998         (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Title: %s\n",
 999           image->filename);
1000         (void) WriteBlobString(image,buffer);
1001         timer=time((time_t *) NULL);
1002         (void) FormatMagickTime(timer,MaxTextExtent,date);
1003         (void) FormatLocaleString(buffer,MaxTextExtent,
1004           "%%%%CreationDate: %s\n",date);
1005         (void) WriteBlobString(image,buffer);
1006         bounds.x1=(double) geometry.x;
1007         bounds.y1=(double) geometry.y;
1008         bounds.x2=(double) geometry.x+scale.x;
1009         bounds.y2=(double) geometry.y+scale.y+text_size;
1010         if ((image_info->adjoin != MagickFalse) &&
1011             (GetNextImageInList(image) != (Image *) NULL))
1012           {
1013             (void) WriteBlobString(image,"%%BoundingBox: (atend)\n");
1014             (void) WriteBlobString(image,"%%HiResBoundingBox: (atend)\n");
1015           }
1016         else
1017           {
1018             (void) FormatLocaleString(buffer,MaxTextExtent,
1019               "%%%%BoundingBox: %g %g %g %g\n",floor(bounds.x1+0.5),
1020               floor(bounds.y1+0.5),ceil(bounds.x2-0.5),ceil(bounds.y2-0.5));
1021             (void) WriteBlobString(image,buffer);
1022             (void) FormatLocaleString(buffer,MaxTextExtent,
1023               "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,
1024               bounds.y1,bounds.x2,bounds.y2);
1025             (void) WriteBlobString(image,buffer);
1026             if (image->colorspace == CMYKColorspace)
1027               (void) WriteBlobString(image,
1028                 "%%DocumentProcessColors: Cyan Magenta Yellow Black\n");
1029             else
1030               if (IsImageGray(image,exception) != MagickFalse)
1031                 (void) WriteBlobString(image,
1032                   "%%DocumentProcessColors: Black\n");
1033           }
1034         /*
1035           Font resources
1036         */
1037         value=GetImageProperty(image,"label");
1038         if (value != (const char *) NULL)
1039           (void) WriteBlobString(image,
1040             "%%DocumentNeededResources: font Helvetica\n");
1041         (void) WriteBlobString(image,"%%LanguageLevel: 3\n");
1042         /*
1043           Pages, orientation and order.
1044         */
1045         if (LocaleCompare(image_info->magick,"PS3") != 0)
1046           (void) WriteBlobString(image,"%%Pages: 1\n");
1047         else
1048           {
1049             (void) WriteBlobString(image,"%%Orientation: Portrait\n");
1050             (void) WriteBlobString(image,"%%PageOrder: Ascend\n");
1051             if (image_info->adjoin == MagickFalse)
1052               (void) CopyMagickString(buffer,"%%Pages: 1\n",MaxTextExtent);
1053             else
1054               (void) FormatLocaleString(buffer,MaxTextExtent,
1055                 "%%%%Pages: %.20g\n",(double) GetImageListLength(image));
1056             (void) WriteBlobString(image,buffer);
1057           }
1058         (void) WriteBlobString(image,"%%EndComments\n");
1059         /*
1060           The static postscript procedures prolog.
1061         */
1062         (void)WriteBlobString(image,"%%BeginProlog\n");
1063         for (q=PostscriptProlog; *q; q++)
1064         {
1065           (void) WriteBlobString(image,*q);
1066           (void) WriteBlobByte(image,'\n');
1067         }
1068         /*
1069           One label line for each line in label string.
1070         */
1071         value=GetImageProperty(image,"label");
1072         if (value != (const char *) NULL)
1073           {
1074               (void) WriteBlobString(image,"\n  %% Labels.\n  /Helvetica "
1075               " findfont pointsize scalefont setfont\n");
1076             for (i=(ssize_t) MultilineCensus(value)-1; i >= 0; i--)
1077             {
1078               (void) WriteBlobString(image,
1079                 "  currentfile buffer readline pop token pop\n");
1080               (void) FormatLocaleString(buffer,MaxTextExtent,
1081                 "  0 y %g add moveto show pop\n",i*pointsize+12);
1082               (void) WriteBlobString(image,buffer);
1083             }
1084           }
1085         /*
1086           The static postscript procedures epilog.
1087         */
1088         for (q=PostscriptEpilog; *q; q++)
1089         {
1090           (void) WriteBlobString(image,*q);
1091           (void) WriteBlobByte(image,'\n');
1092         }
1093         (void)WriteBlobString(image,"%%EndProlog\n");
1094       }
1095     (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Page: 1 %.20g\n",
1096       (double) page);
1097     (void) WriteBlobString(image,buffer);
1098     /*
1099       Page bounding box.
1100     */
1101     (void) FormatLocaleString(buffer,MaxTextExtent,
1102       "%%%%PageBoundingBox: %.20g %.20g %.20g %.20g\n",(double) geometry.x,
1103        (double) geometry.y,geometry.x+(double) geometry.width,geometry.y+
1104        (double) (geometry.height+text_size));
1105     (void) WriteBlobString(image,buffer);
1106     /*
1107       Page process colors if not RGB.
1108     */
1109     if (image->colorspace == CMYKColorspace)
1110       (void) WriteBlobString(image,
1111         "%%PageProcessColors: Cyan Magenta Yellow Black\n");
1112     else
1113       if (IsImageGray(image,exception) != MagickFalse)
1114         (void) WriteBlobString(image,"%%PageProcessColors: Black\n");
1115     /*
1116       Adjust document bounding box to bound page bounding box.
1117     */
1118     if ((double) geometry.x < bounds.x1)
1119       bounds.x1=(double) geometry.x;
1120     if ((double) geometry.y < bounds.y1)
1121       bounds.y1=(double) geometry.y;
1122     if ((double) (geometry.x+scale.x) > bounds.x2)
1123       bounds.x2=(double) geometry.x+scale.x;
1124     if ((double) (geometry.y+scale.y+text_size) > bounds.y2)
1125       bounds.y2=(double) geometry.y+scale.y+text_size;
1126     /*
1127       Page font resource if there's a label.
1128     */
1129     value=GetImageProperty(image,"label");
1130     if (value != (const char *) NULL)
1131       (void) WriteBlobString(image,"%%PageResources: font Helvetica\n");
1132     /*
1133       PS clipping path from Photoshop clipping path.
1134     */
1135     if ((image->clip_mask == (Image *) NULL) ||
1136         (LocaleNCompare("8BIM:",image->clip_mask->magick_filename,5) != 0))
1137       (void) WriteBlobString(image,"/ClipImage {} def\n");
1138     else
1139       {
1140         const char
1141           *value;
1142
1143         value=GetImageProperty(image,image->clip_mask->magick_filename);
1144         if (value == (const char *) NULL)
1145           return(MagickFalse);
1146         (void) WriteBlobString(image,value);
1147         (void) WriteBlobByte(image,'\n');
1148       }
1149     /*
1150       Push a dictionary for our own def's if this an EPS.
1151     */
1152     if (LocaleCompare(image_info->magick,"PS3") != 0)
1153       (void) WriteBlobString(image,"userdict begin\n");
1154     /*
1155       Image mask.
1156     */
1157     if ((image->matte != MagickFalse) &&
1158         (WritePS3MaskImage(image_info,image,compression) == MagickFalse))
1159       {
1160         (void) CloseBlob(image);
1161         return(MagickFalse);
1162       }
1163     /*
1164       Remember position of BeginData comment so we can update it.
1165     */
1166     start=TellBlob(image);
1167     (void) FormatLocaleString(buffer,MaxTextExtent,
1168       "%%%%BeginData:%13ld %s Bytes\n",0L,
1169       compression == NoCompression ? "ASCII" : "BINARY");
1170     (void) WriteBlobString(image,buffer);
1171     stop=TellBlob(image);
1172     (void) WriteBlobString(image,"DisplayImage\n");
1173     /*
1174       Translate, scale, and font point size.
1175     */
1176     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%g %g\n%g\n",
1177       (double) geometry.x,(double) geometry.y,scale.x,scale.y,pointsize);
1178     (void) WriteBlobString(image,buffer);
1179     /*
1180       Output labels.
1181     */
1182     labels=(char **) NULL;
1183     value=GetImageProperty(image,"label");
1184     if (value != (const char *) NULL)
1185       labels=StringToList(value);
1186     if (labels != (char **) NULL)
1187       {
1188         for (i=0; labels[i] != (char *) NULL; i++)
1189         {
1190           if (compression != NoCompression)
1191             {
1192               for (j=0; labels[i][j] != '\0'; j++)
1193                 (void) WriteBlobByte(image,(unsigned char) labels[i][j]);
1194               (void) WriteBlobByte(image,'\n');
1195             }
1196           else
1197             {
1198               (void) WriteBlobString(image,"<~");
1199               Ascii85Initialize(image);
1200               for (j=0; labels[i][j] != '\0'; j++)
1201                 Ascii85Encode(image,(unsigned char) labels[i][j]);
1202               Ascii85Flush(image);
1203             }
1204           labels[i]=DestroyString(labels[i]);
1205         }
1206         labels=(char **) RelinquishMagickMemory(labels);
1207       }
1208     /*
1209       Photoshop clipping path active?
1210     */
1211     if ((image->clip_mask != (Image *) NULL) &&
1212         (LocaleNCompare("8BIM:",image->clip_mask->magick_filename,5) == 0))
1213         (void) WriteBlobString(image,"true\n");
1214       else
1215         (void) WriteBlobString(image,"false\n");
1216     /*
1217       Showpage for non-EPS.
1218     */
1219     (void) WriteBlobString(image, LocaleCompare(image_info->magick,"PS3") == 0 ?
1220       "true\n" : "false\n");
1221     /*
1222       Image columns, rows, and color space.
1223     */
1224     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%s\n",
1225       (double) image->columns,(double) image->rows,image->colorspace ==
1226       CMYKColorspace ? PS3_CMYKColorspace : PS3_RGBColorspace);
1227     (void) WriteBlobString(image,buffer);
1228     /*
1229       Masked image?
1230     */
1231     (void) WriteBlobString(image,image->matte != MagickFalse ?
1232       "true\n" : "false\n");
1233     /*
1234       Render with imagemask operator?
1235     */
1236     option=GetImageOption(image_info,"ps3:imagemask");
1237     (void) WriteBlobString(image,((option != (const char *) NULL) &&
1238       (IsImageMonochrome(image,exception) != MagickFalse)) ?
1239       "true\n" : "false\n");
1240     /*
1241       Output pixel data.
1242     */
1243     pixels=(unsigned char *) NULL;
1244     length=0;
1245     if ((image_info->type != TrueColorType) &&
1246         (image_info->type != TrueColorMatteType) &&
1247         (image_info->type != ColorSeparationType) &&
1248         (image_info->type != ColorSeparationMatteType) &&
1249         (image->colorspace != CMYKColorspace) &&
1250         ((IsImageGray(image,exception) != MagickFalse) ||
1251          (IsImageMonochrome(image,exception) != MagickFalse)))
1252       {
1253         /*
1254           Gray images.
1255         */
1256         (void) WriteBlobString(image,PS3_PseudoClass"\n");
1257         switch (compression)
1258         {
1259           case NoCompression:
1260           default:
1261           {
1262             (void) WriteBlobString(image,PS3_NoCompression"\n");
1263             break;
1264           }
1265           case FaxCompression:
1266           case Group4Compression:
1267           {
1268             (void) WriteBlobString(image,PS3_FaxCompression"\n");
1269             break;
1270           }
1271           case JPEGCompression:
1272           {
1273             (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1274             break;
1275           }
1276           case LZWCompression:
1277           {
1278             (void) WriteBlobString(image,PS3_LZWCompression"\n");
1279             break;
1280           }
1281           case RLECompression:
1282           {
1283             (void) WriteBlobString(image,PS3_RLECompression"\n");
1284             break;
1285           }
1286           case ZipCompression:
1287           {
1288             (void) WriteBlobString(image,PS3_ZipCompression"\n");
1289             break;
1290           }
1291         }
1292         /*
1293           Number of colors -- 0 for single component non-color mapped data.
1294         */
1295         (void) WriteBlobString(image,"0\n");
1296         /*
1297           1 bit or 8 bit components?
1298         */
1299         (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
1300           IsImageMonochrome(image,exception) != MagickFalse ? 1 : 8);
1301         (void) WriteBlobString(image,buffer);
1302         /*
1303           Image data.
1304         */
1305         if (compression == JPEGCompression)
1306           status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1307         else
1308           if ((compression == FaxCompression) ||
1309               (compression == Group4Compression))
1310             {
1311               if (LocaleCompare(CCITTParam,"0") == 0)
1312                 status=HuffmanEncodeImage(image_info,image,image);
1313               else
1314                 status=Huffman2DEncodeImage(image_info,image,image);
1315             }
1316           else
1317             {
1318               status=SerializeImageChannel(image_info,image,&pixels,&length);
1319               if (status == MagickFalse)
1320                 {
1321                   (void) CloseBlob(image);
1322                   return(MagickFalse);
1323                 }
1324               switch (compression)
1325               {
1326                 case NoCompression:
1327                 default:
1328                 {
1329                   Ascii85Initialize(image);
1330                   for (i=0; i < (ssize_t) length; i++)
1331                     Ascii85Encode(image,pixels[i]);
1332                   Ascii85Flush(image);
1333                   status=MagickTrue;
1334                   break;
1335                 }
1336                 case LZWCompression:
1337                 {
1338                   status=LZWEncodeImage(image,length,pixels);
1339                   break;
1340                 }
1341                 case RLECompression:
1342                 {
1343                   status=PackbitsEncodeImage(image,length,pixels);
1344                   break;
1345                 }
1346                 case ZipCompression:
1347                 {
1348                   status=ZLIBEncodeImage(image,length,pixels);
1349                   break;
1350                 }
1351               }
1352               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1353             }
1354       }
1355     else
1356       if ((image->storage_class == DirectClass) || (image->colors > 256) ||
1357           (compression == JPEGCompression))
1358         {
1359           /*
1360             Truecolor image.
1361           */
1362           (void) WriteBlobString(image,PS3_DirectClass"\n");
1363           switch (compression)
1364           {
1365             case NoCompression:
1366             default:
1367             {
1368               (void) WriteBlobString(image,PS3_NoCompression"\n");
1369               break;
1370             }
1371             case RLECompression:
1372             {
1373               (void) WriteBlobString(image,PS3_RLECompression"\n");
1374               break;
1375             }
1376             case JPEGCompression:
1377             {
1378               (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1379               break;
1380             }
1381             case LZWCompression:
1382             {
1383               (void) WriteBlobString(image,PS3_LZWCompression"\n");
1384               break;
1385             }
1386             case ZipCompression:
1387             {
1388               (void) WriteBlobString(image,PS3_ZipCompression"\n");
1389               break;
1390             }
1391           }
1392           /*
1393             Image data.
1394           */
1395           if (compression == JPEGCompression)
1396             status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1397           else
1398             {
1399               /*
1400                 Stream based compressions.
1401               */
1402               status=SerializeImage(image_info,image,&pixels,&length);
1403               if (status == MagickFalse)
1404                 {
1405                   (void) CloseBlob(image);
1406                   return(MagickFalse);
1407                 }
1408               switch (compression)
1409               {
1410                 case NoCompression:
1411                 default:
1412                 {
1413                   Ascii85Initialize(image);
1414                   for (i=0; i < (ssize_t) length; i++)
1415                     Ascii85Encode(image,pixels[i]);
1416                   Ascii85Flush(image);
1417                   status=MagickTrue;
1418                   break;
1419                 }
1420                 case RLECompression:
1421                 {
1422                   status=PackbitsEncodeImage(image,length,pixels);
1423                   break;
1424                 }
1425                 case LZWCompression:
1426                 {
1427                   status=LZWEncodeImage(image,length,pixels);
1428                   break;
1429                 }
1430                 case ZipCompression:
1431                 {
1432                   status=ZLIBEncodeImage(image,length,pixels);
1433                   break;
1434                 }
1435               }
1436               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1437             }
1438           }
1439         else
1440           {
1441             /*
1442               Colormapped images.
1443             */
1444             (void) WriteBlobString(image,PS3_PseudoClass"\n");
1445             switch (compression)
1446             {
1447               case NoCompression:
1448               default:
1449               {
1450                 (void) WriteBlobString(image,PS3_NoCompression"\n");
1451                 break;
1452               }
1453               case JPEGCompression:
1454               {
1455                 (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1456                 break;
1457               }
1458               case RLECompression:
1459               {
1460                 (void) WriteBlobString(image,PS3_RLECompression"\n");
1461                 break;
1462               }
1463               case LZWCompression:
1464               {
1465                 (void) WriteBlobString(image,PS3_LZWCompression"\n");
1466                 break;
1467               }
1468               case ZipCompression:
1469               {
1470                 (void) WriteBlobString(image,PS3_ZipCompression"\n");
1471                 break;
1472               }
1473             }
1474             /*
1475               Number of colors in color map.
1476             */
1477             (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",
1478               (double) image->colors);
1479             (void) WriteBlobString(image,buffer);
1480             /*
1481               Color map - uncompressed.
1482             */
1483             if ((compression != NoCompression) &&
1484                 (compression != UndefinedCompression))
1485               {
1486                 for (i=0; i < (ssize_t) image->colors; i++)
1487                 {
1488                   pixel=ScaleQuantumToChar(image->colormap[i].red);
1489                   (void) WriteBlobByte(image,(unsigned char) pixel);
1490                   pixel=ScaleQuantumToChar(image->colormap[i].green);
1491                   (void) WriteBlobByte(image,(unsigned char) pixel);
1492                   pixel=ScaleQuantumToChar(image->colormap[i].blue);
1493                   (void) WriteBlobByte(image,(unsigned char) pixel);
1494                 }
1495               }
1496             else
1497               {
1498                 Ascii85Initialize(image);
1499                 for (i=0; i < (ssize_t) image->colors; i++)
1500                 {
1501                   pixel=ScaleQuantumToChar(image->colormap[i].red);
1502                   Ascii85Encode(image,(unsigned char) pixel);
1503                   pixel=ScaleQuantumToChar(image->colormap[i].green);
1504                   Ascii85Encode(image,(unsigned char) pixel);
1505                   pixel=ScaleQuantumToChar(image->colormap[i].blue);
1506                   Ascii85Encode(image,(unsigned char) pixel);
1507                 }
1508                 Ascii85Flush(image);
1509               }
1510             status=SerializeImageIndexes(image_info,image,&pixels,&length);
1511             if (status == MagickFalse)
1512               {
1513                 (void) CloseBlob(image);
1514                 return(MagickFalse);
1515               }
1516             switch (compression)
1517             {
1518               case NoCompression:
1519               default:
1520               {
1521                 Ascii85Initialize(image);
1522                 for (i=0; i < (ssize_t) length; i++)
1523                   Ascii85Encode(image,pixels[i]);
1524                 Ascii85Flush(image);
1525                 status=MagickTrue;
1526                 break;
1527               }
1528               case JPEGCompression:
1529               {
1530                 status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1531                 break;
1532               }
1533               case RLECompression:
1534               {
1535                 status=PackbitsEncodeImage(image,length,pixels);
1536                 break;
1537               }
1538               case LZWCompression:
1539               {
1540                 status=LZWEncodeImage(image,length,pixels);
1541                 break;
1542               }
1543               case ZipCompression:
1544               {
1545                 status=ZLIBEncodeImage(image,length,pixels);
1546                 break;
1547               }
1548             }
1549             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1550           }
1551     (void) WriteBlobByte(image,'\n');
1552     if (status == MagickFalse)
1553       {
1554         (void) CloseBlob(image);
1555         return(MagickFalse);
1556       }
1557     /*
1558       Update BeginData now that we know the data size.
1559     */
1560     length=(size_t) (TellBlob(image)-stop);
1561     stop=TellBlob(image);
1562     offset=SeekBlob(image,start,SEEK_SET);
1563     if (offset < 0)
1564       ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1565     (void) FormatLocaleString(buffer,MaxTextExtent,
1566       "%%%%BeginData:%13ld %s Bytes\n",(long) length,
1567       compression == NoCompression ? "ASCII" : "BINARY");
1568     (void) WriteBlobString(image,buffer);
1569     offset=SeekBlob(image,stop,SEEK_SET);
1570     (void) WriteBlobString(image,"%%EndData\n");
1571     /*
1572       End private dictionary if this an EPS.
1573     */
1574     if (LocaleCompare(image_info->magick,"PS3") != 0)
1575       (void) WriteBlobString(image,"end\n");
1576     (void) WriteBlobString(image,"%%PageTrailer\n");
1577     if (GetNextImageInList(image) == (Image *) NULL)
1578       break;
1579     image=SyncNextImageInList(image);
1580     status=SetImageProgress(image,SaveImagesTag,scene++,
1581       GetImageListLength(image));
1582     if (status == MagickFalse)
1583       break;
1584   } while (image_info->adjoin != MagickFalse);
1585   (void) WriteBlobString(image,"%%Trailer\n");
1586   if (page > 1)
1587     {
1588       (void) FormatLocaleString(buffer,MaxTextExtent,
1589         "%%%%BoundingBox: %g %g %g %g\n",floor(bounds.x1+0.5),
1590         floor(bounds.y1+0.5),ceil(bounds.x2-0.5),ceil(bounds.y2-0.5));
1591       (void) WriteBlobString(image,buffer);
1592       (void) FormatLocaleString(buffer,MaxTextExtent,
1593         "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,
1594         bounds.x2,bounds.y2);
1595       (void) WriteBlobString(image,buffer);
1596     }
1597   (void) WriteBlobString(image,"%%EOF\n");
1598   (void) CloseBlob(image);
1599   return(MagickTrue);
1600 }