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 "magick/studio.h"
  44 #include "magick/blob.h"
  45 #include "magick/blob-private.h"
  46 #include "magick/cache.h"
  47 #include "magick/color.h"
  48 #include "magick/color-private.h"
  49 #include "magick/compress.h"
  50 #include "magick/constitute.h"
  51 #include "magick/draw.h"
  52 #include "magick/exception.h"
  53 #include "magick/exception-private.h"
  54 #include "magick/geometry.h"
  55 #include "magick/image.h"
  56 #include "magick/image-private.h"
  57 #include "magick/list.h"
  58 #include "magick/magick.h"
  59 #include "magick/memory_.h"
  60 #include "magick/monitor.h"
  61 #include "magick/monitor-private.h"
  62 #include "magick/option.h"
  63 #include "magick/property.h"
  64 #include "magick/quantum-private.h"
  65 #include "magick/resource_.h"
  66 #include "magick/static.h"
  67 #include "magick/string_.h"
  68 #include "magick/module.h"
  69 #include "magick/token.h"
  70 #include "magick/utility.h"
  71 #include "magick/module.h"
  72 \f
  73 /*
  74   Define declarations.
  75 */
  76 #define PS3_NoCompression "0"
  77 #define PS3_FaxCompression "1"
  78 #define PS3_JPEGCompression "2"
  79 #define PS3_LZWCompression "3"
  80 #define PS3_RLECompression "4"
  81 #define PS3_ZipCompression "5"
  82
  83 #define PS3_RGBColorspace "0"
  84 #define PS3_CMYKColorspace "1"
  85
  86 #define PS3_DirectClass "0"
  87 #define PS3_PseudoClass "1"
  88
  89 #if defined(MAGICKCORE_TIFF_DELEGATE)
  90 #define CCITTParam  "-1"
  91 #else
  92 #define CCITTParam  "0"
  93 #endif
  94 \f
  95 /*
  96   Forward declarations.
  97 */
  98 static MagickBooleanType
  99   WritePS3Image(const ImageInfo *,Image *);
 100 \f
 101 /*
 102 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 103 %                                                                             %
 104 %                                                                             %
 105 %                                                                             %
 106 %   R e g i s t e r P S 3 I m a g e                                           %
 107 %                                                                             %
 108 %                                                                             %
 109 %                                                                             %
 110 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 111 %
 112 %  RegisterPS3Image() adds properties for the PS3 image format to the list of
 113 %  supported formats.  The properties include the image format tag, a method to
 114 %  read and/or write the format, whether the format supports the saving of more
 115 %  than one frame to the same file or blob, whether the format supports native
 116 %  in-memory I/O, and a brief description of the format.
 117 %
 118 %  The format of the RegisterPS3Image method is:
 119 %
 120 %      size_t RegisterPS3Image(void)
 121 %
 122 */
 123 ModuleExport size_t RegisterPS3Image(void)
 124 {
 125   MagickInfo
 126     *entry;
 127
 128   entry=SetMagickInfo("EPS3");
 129   entry->encoder=(EncodeImageHandler *) WritePS3Image;
 130   entry->description=ConstantString("Level III Encapsulated PostScript");
 131   entry->module=ConstantString("PS3");
 132   entry->seekable_stream=MagickTrue;
 133   (void) RegisterMagickInfo(entry);
 134   entry=SetMagickInfo("PS3");
 135   entry->encoder=(EncodeImageHandler *) WritePS3Image;
 136   entry->description=ConstantString("Level III PostScript");
 137   entry->module=ConstantString("PS3");
 138   entry->seekable_stream=MagickTrue;
 139   (void) RegisterMagickInfo(entry);
 140   return(MagickImageCoderSignature);
 141 }
 142 \f
 143 /*
 144 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 145 %                                                                             %
 146 %                                                                             %
 147 %                                                                             %
 148 %   U n r e g i s t e r P S 3 I m a g e                                       %
 149 %                                                                             %
 150 %                                                                             %
 151 %                                                                             %
 152 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 153 %
 154 %  UnregisterPS3Image() removes format registrations made by the PS3 module
 155 %  from the list of supported formats.
 156 %
 157 %  The format of the UnregisterPS3Image method is:
 158 %
 159 %      UnregisterPS3Image(void)
 160 %
 161 */
 162 ModuleExport void UnregisterPS3Image(void)
 163 {
 164   (void) UnregisterMagickInfo("EPS3");
 165   (void) UnregisterMagickInfo("PS3");
 166 }
 167 \f
 168 /*
 169 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 170 %                                                                             %
 171 %                                                                             %
 172 %                                                                             %
 173 %   W r i t e P S 3 I m a g e                                                 %
 174 %                                                                             %
 175 %                                                                             %
 176 %                                                                             %
 177 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 178 %
 179 %  WritePS3Image() translates an image to encapsulated Postscript Level III
 180 %  for printing.  If the supplied geometry is null, the image is centered on
 181 %  the Postscript page.  Otherwise, the image is positioned as specified by the
 182 %  geometry.
 183 %
 184 %  The format of the WritePS3Image method is:
 185 %
 186 %      MagickBooleanType WritePS3Image(const ImageInfo *image_info,Image *image)
 187 %
 188 %  A description of each parameter follows:
 189 %
 190 %    o image_info: Specifies a pointer to a ImageInfo structure.
 191 %
 192 %    o image: the image.
 193 %
 194 */
 195
 196 static MagickBooleanType Huffman2DEncodeImage(const ImageInfo *image_info,
 197   Image *image,Image *inject_image)
 198 {
 199   Image
 200     *group4_image;
 201
 202   ImageInfo
 203     *write_info;
 204
 205   MagickBooleanType
 206     status;
 207
 208   size_t
 209     length;
 210
 211   unsigned char
 212     *group4;
 213
 214   status=MagickTrue;
 215   write_info=CloneImageInfo(image_info);
 216   (void) CopyMagickString(write_info->filename,"GROUP4:",MaxTextExtent);
 217   (void) CopyMagickString(write_info->magick,"GROUP4",MaxTextExtent);
 218   group4_image=CloneImage(inject_image,0,0,MagickTrue,&image->exception);
 219   if (group4_image == (Image *) NULL)
 220     return(MagickFalse);
 221   group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
 222     &image->exception);
 223   group4_image=DestroyImage(group4_image);
 224   if (group4 == (unsigned char *) NULL)
 225     return(MagickFalse);
 226   write_info=DestroyImageInfo(write_info);
 227   if (WriteBlob(image,length,group4) != (ssize_t) length)
 228     status=MagickFalse;
 229   group4=(unsigned char *) RelinquishMagickMemory(group4);
 230   return(status);
 231 }
 232
 233 static MagickBooleanType SerializeImage(const ImageInfo *image_info,
 234   Image *image,unsigned char **pixels,size_t *length)
 235 {
 236   MagickBooleanType
 237     status;
 238
 239   register const IndexPacket
 240     *indexes;
 241
 242   register const PixelPacket
 243     *p;
 244
 245   register ssize_t
 246     x;
 247
 248   register unsigned char
 249     *q;
 250
 251   ssize_t
 252     y;
 253
 254   assert(image != (Image *) NULL);
 255   assert(image->signature == MagickSignature);
 256   if (image->debug != MagickFalse)
 257     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 258   status=MagickTrue;
 259   *length=(image->colorspace == CMYKColorspace ? 4 : 3)*(size_t)
 260     image->columns*image->rows;
 261   *pixels=(unsigned char *) AcquireQuantumMemory(*length,sizeof(**pixels));
 262   if (*pixels == (unsigned char *) NULL)
 263     ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
 264   q=(*pixels);
 265   for (y=0; y < (ssize_t) image->rows; y++)
 266   {
 267     p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
 268     if (p == (const PixelPacket *) NULL)
 269       break;
 270     indexes=GetVirtualIndexQueue(image);
 271     if (image->colorspace != CMYKColorspace)
 272       for (x=0; x < (ssize_t) image->columns; x++)
 273       {
 274         *q++=ScaleQuantumToChar(GetPixelRed(p));
 275         *q++=ScaleQuantumToChar(GetPixelGreen(p));
 276         *q++=ScaleQuantumToChar(GetPixelBlue(p));
 277         p++;
 278       }
 279     else
 280       for (x=0; x < (ssize_t) image->columns; x++)
 281       {
 282         *q++=ScaleQuantumToChar(GetPixelRed(p));
 283         *q++=ScaleQuantumToChar(GetPixelGreen(p));
 284         *q++=ScaleQuantumToChar(GetPixelBlue(p));
 285         *q++=ScaleQuantumToChar(GetPixelIndex(indexes+x));
 286         p++;
 287       }
 288     if (image->previous == (Image *) NULL)
 289       {
 290         status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
 291           image->rows);
 292         if (status == MagickFalse)
 293           break;
 294       }
 295   }
 296   if (status == MagickFalse)
 297     *pixels=(unsigned char *) RelinquishMagickMemory(*pixels);
 298   return(status);
 299 }
 300
 301 static MagickBooleanType SerializeImageChannel(const ImageInfo *image_info,
 302   Image *image,unsigned char **pixels,size_t *length)
 303 {
 304   MagickBooleanType
 305     status;
 306
 307   register const PixelPacket
 308     *p;
 309
 310   register ssize_t
 311     x;
 312
 313   register unsigned char
 314     *q;
 315
 316   size_t
 317     pack,
 318     padded_columns;
 319
 320   ssize_t
 321     y;
 322
 323   unsigned char
 324     code,
 325     bit;
 326
 327   assert(image != (Image *) NULL);
 328   assert(image->signature == MagickSignature);
 329   if (image->debug != MagickFalse)
 330     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 331   status=MagickTrue;
 332   pack=IsMonochromeImage(image,&image->exception) == MagickFalse ? 1UL : 8UL;
 333   padded_columns=((image->columns+pack-1)/pack)*pack;
 334   *length=(size_t) padded_columns*image->rows/pack;
 335   *pixels=(unsigned char *) AcquireQuantumMemory(*length,sizeof(**pixels));
 336   if (*pixels == (unsigned char *) NULL)
 337     ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
 338   q=(*pixels);
 339   for (y=0; y < (ssize_t) image->rows; y++)
 340   {
 341     p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
 342     if (p == (const PixelPacket *) NULL)
 343       break;
 344     if (pack == 1)
 345       for (x=0; x < (ssize_t) image->columns; x++)
 346       {
 347         *q++=ScaleQuantumToChar(PixelIntensityToQuantum(p));
 348         p++;
 349       }
 350     else
 351       {
 352         code='\0';
 353         for (x=0; x < (ssize_t) padded_columns; x++)
 354         {
 355           bit=(unsigned char) 0x00;
 356           if (x < (ssize_t) image->columns)
 357             bit=(unsigned char) (PixelIntensityToQuantum(p) == (Quantum)
 358               TransparentOpacity ? 0x01 : 0x00);
 359           code=(code << 1)+bit;
 360           if (((x+1) % pack) == 0)
 361             {
 362               *q++=code;
 363               code='\0';
 364             }
 365           p++;
 366         }
 367       }
 368     status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
 369       image->rows);
 370     if (status == MagickFalse)
 371       break;
 372   }
 373   if (status == MagickFalse)
 374     *pixels=(unsigned char *) RelinquishMagickMemory(*pixels);
 375   return(status);
 376 }
 377
 378 static MagickBooleanType SerializeImageIndexes(const ImageInfo *image_info,
 379   Image *image,unsigned char **pixels,size_t *length)
 380 {
 381   MagickBooleanType
 382     status;
 383
 384   register const IndexPacket
 385     *indexes;
 386
 387   register const PixelPacket
 388     *p;
 389
 390   register ssize_t
 391     x;
 392
 393   register unsigned char
 394     *q;
 395
 396   ssize_t
 397     y;
 398
 399   assert(image != (Image *) NULL);
 400   assert(image->signature == MagickSignature);
 401   if (image->debug != MagickFalse)
 402     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 403   status=MagickTrue;
 404   *length=(size_t) image->columns*image->rows;
 405   *pixels=(unsigned char *) AcquireQuantumMemory(*length,sizeof(**pixels));
 406   if (*pixels == (unsigned char *) NULL)
 407     ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
 408   q=(*pixels);
 409   for (y=0; y < (ssize_t) image->rows; y++)
 410   {
 411     p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
 412     if (p == (const PixelPacket *) NULL)
 413       break;
 414     indexes=GetVirtualIndexQueue(image);
 415     for (x=0; x < (ssize_t) image->columns; x++)
 416       *q++=(unsigned char) GetPixelIndex(indexes+x);
 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   char
 434     buffer[MaxTextExtent];
 435
 436   Image
 437     *mask_image;
 438
 439   MagickBooleanType
 440     status;
 441
 442   MagickOffsetType
 443     offset,
 444     start,
 445     stop;
 446
 447   register ssize_t
 448     i;
 449
 450   size_t
 451     length;
 452
 453   unsigned char
 454     *pixels;
 455
 456   assert(image_info != (ImageInfo *) NULL);
 457   assert(image_info->signature == MagickSignature);
 458   assert(image != (Image *) NULL);
 459   assert(image->signature == MagickSignature);
 460   if (image->debug != MagickFalse)
 461     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 462   assert(image->matte != MagickFalse);
 463   status=MagickTrue;
 464   /*
 465     Note BeginData DSC comment for update later.
 466   */
 467   start=TellBlob(image);
 468   (void) FormatLocaleString(buffer,MaxTextExtent,
 469     "%%%%BeginData:%13ld %s Bytes\n",0L,compression == NoCompression ?
 470     "ASCII" : "BINARY");
 471   (void) WriteBlobString(image,buffer);
 472   stop=TellBlob(image);
 473   /*
 474     Only lossless compressions for the mask.
 475   */
 476   switch (compression)
 477   {
 478     case NoCompression:
 479     default:
 480     {
 481       (void) FormatLocaleString(buffer,MaxTextExtent,
 482         "currentfile %.20g %.20g "PS3_NoCompression" ByteStreamDecodeFilter\n",
 483         (double) image->columns,(double) image->rows);
 484       break;
 485     }
 486     case FaxCompression:
 487     case Group4Compression:
 488     {
 489       (void) FormatLocaleString(buffer,MaxTextExtent,
 490         "currentfile %.20g %.20g "PS3_FaxCompression" ByteStreamDecodeFilter\n",
 491         (double) image->columns,(double) image->rows);
 492       break;
 493     }
 494     case LZWCompression:
 495     {
 496       (void) FormatLocaleString(buffer,MaxTextExtent,
 497         "currentfile %.20g %.20g "PS3_LZWCompression" ByteStreamDecodeFilter\n",
 498         (double) image->columns,(double) image->rows);
 499       break;
 500     }
 501     case RLECompression:
 502     {
 503       (void) FormatLocaleString(buffer,MaxTextExtent,
 504         "currentfile %.20g %.20g "PS3_RLECompression" ByteStreamDecodeFilter\n",
 505         (double) image->columns,(double) image->rows);
 506       break;
 507     }
 508     case ZipCompression:
 509     {
 510       (void) FormatLocaleString(buffer,MaxTextExtent,
 511         "currentfile %.20g %.20g "PS3_ZipCompression" ByteStreamDecodeFilter\n",
 512         (double) image->columns,(double) image->rows);
 513       break;
 514     }
 515   }
 516   (void) WriteBlobString(image,buffer);
 517   (void) WriteBlobString(image,"/ReusableStreamDecode filter\n");
 518   mask_image=CloneImage(image,0,0,MagickTrue,&image->exception);
 519   if (mask_image == (Image *) NULL)
 520     ThrowWriterException(CoderError,image->exception.reason);
 521   status=SeparateImageChannel(mask_image,OpacityChannel);
 522   if (status == MagickFalse)
 523     {
 524       mask_image=DestroyImage(mask_image);
 525       return(MagickFalse);
 526     }
 527   (void) SetImageType(mask_image,BilevelType);
 528   (void) SetImageType(mask_image,PaletteType);
 529   mask_image->matte=MagickFalse;
 530   pixels=(unsigned char *) NULL;
 531   length=0;
 532   switch (compression)
 533   {
 534     case NoCompression:
 535     default:
 536     {
 537       status=SerializeImageChannel(image_info,mask_image,&pixels,&length);
 538       if (status == MagickFalse)
 539         break;
 540       Ascii85Initialize(image);
 541       for (i=0; i < (ssize_t) length; i++)
 542         Ascii85Encode(image,pixels[i]);
 543       Ascii85Flush(image);
 544       pixels=(unsigned char *) RelinquishMagickMemory(pixels);
 545       break;
 546     }
 547     case FaxCompression:
 548     case Group4Compression:
 549     {
 550       if ((compression == FaxCompression) ||
 551           (LocaleCompare(CCITTParam,"0") == 0))
 552         status=HuffmanEncodeImage(image_info,image,mask_image);
 553       else
 554         status=Huffman2DEncodeImage(image_info,image,mask_image);
 555       break;
 556     }
 557     case LZWCompression:
 558     {
 559       status=SerializeImageChannel(image_info,mask_image,&pixels,&length);
 560       if (status == MagickFalse)
 561         break;
 562       status=LZWEncodeImage(image,length,pixels);
 563       pixels=(unsigned char *) RelinquishMagickMemory(pixels);
 564       break;
 565     }
 566     case RLECompression:
 567     {
 568       status=SerializeImageChannel(image_info,mask_image,&pixels,&length);
 569       if (status == MagickFalse)
 570         break;
 571       status=PackbitsEncodeImage(image,length,pixels);
 572       pixels=(unsigned char *) RelinquishMagickMemory(pixels);
 573       break;
 574     }
 575     case ZipCompression:
 576     {
 577       status=SerializeImageChannel(image_info,mask_image,&pixels,&length);
 578       if (status == MagickFalse)
 579         break;
 580       status=ZLIBEncodeImage(image,length,pixels);
 581       pixels=(unsigned char *) RelinquishMagickMemory(pixels);
 582       break;
 583     }
 584   }
 585   mask_image=DestroyImage(mask_image);
 586   (void) WriteBlobByte(image,'\n');
 587   length=(size_t) (TellBlob(image)-stop);
 588   stop=TellBlob(image);
 589   offset=SeekBlob(image,start,SEEK_SET);
 590   if (offset < 0)
 591     ThrowWriterException(CorruptImageError,"ImproperImageHeader");
 592   (void) FormatLocaleString(buffer,MaxTextExtent,
 593     "%%%%BeginData:%13ld %s Bytes\n",(long) length,
 594     compression == NoCompression ? "ASCII" : "BINARY");
 595   (void) WriteBlobString(image,buffer);
 596   offset=SeekBlob(image,stop,SEEK_SET);
 597   if (offset < 0)
 598     ThrowWriterException(CorruptImageError,"ImproperImageHeader");
 599   (void) WriteBlobString(image,"%%EndData\n");
 600   (void) WriteBlobString(image, "/mask_stream exch def\n");
 601   return(status);
 602 }
 603
 604 static MagickBooleanType WritePS3Image(const ImageInfo *image_info,Image *image)
 605 {
 606   static const char
 607     *PostscriptProlog[]=
 608     {
 609       "/ByteStreamDecodeFilter",
 610       "{",
 611       "  /z exch def",
 612       "  /r exch def",
 613       "  /c exch def",
 614       "  z "PS3_NoCompression" eq { /ASCII85Decode filter } if",
 615       "  z "PS3_FaxCompression" eq",
 616       "  {",
 617       "    <<",
 618       "      /K "CCITTParam,
 619       "      /Columns c",
 620       "      /Rows r",
 621       "    >>",
 622       "    /CCITTFaxDecode filter",
 623       "  } if",
 624       "  z "PS3_JPEGCompression" eq { /DCTDecode filter } if",
 625       "  z "PS3_LZWCompression" eq { /LZWDecode filter } if",
 626       "  z "PS3_RLECompression" eq { /RunLengthDecode filter } if",
 627       "  z "PS3_ZipCompression" eq { /FlateDecode filter } if",
 628       "} bind def",
 629       "",
 630       "/DirectClassImageDict",
 631       "{",
 632       "  colorspace "PS3_RGBColorspace" eq",
 633       "  {",
 634       "    /DeviceRGB setcolorspace",
 635       "    <<",
 636       "      /ImageType 1",
 637       "      /Width columns",
 638       "      /Height rows",
 639       "      /BitsPerComponent 8",
 640       "      /DataSource pixel_stream",
 641       "      /MultipleDataSources false",
 642       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 643       "      /Decode [0 1 0 1 0 1]",
 644       "    >>",
 645       "  }",
 646       "  {",
 647       "    /DeviceCMYK setcolorspace",
 648       "    <<",
 649       "      /ImageType 1",
 650       "      /Width columns",
 651       "      /Height rows",
 652       "      /BitsPerComponent 8",
 653       "      /DataSource pixel_stream",
 654       "      /MultipleDataSources false",
 655       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 656       "      /Decode",
 657       "        compression "PS3_JPEGCompression" eq",
 658       "        { [1 0 1 0 1 0 1 0] }",
 659       "        { [0 1 0 1 0 1 0 1] }",
 660       "        ifelse",
 661       "    >>",
 662       "  }",
 663       "  ifelse",
 664       "} bind def",
 665       "",
 666       "/PseudoClassImageDict",
 667       "{",
 668       "  % Colors in colormap image.",
 669       "  currentfile buffer readline pop",
 670       "  token pop /colors exch def pop",
 671       "  colors 0 eq",
 672       "  {",
 673       "    % Depth of grayscale image.",
 674       "    currentfile buffer readline pop",
 675       "    token pop /bits exch def pop",
 676       "    /DeviceGray setcolorspace",
 677       "    <<",
 678       "      /ImageType 1",
 679       "      /Width columns",
 680       "      /Height rows",
 681       "      /BitsPerComponent bits",
 682       "      /Decode [0 1]",
 683       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 684       "      /DataSource pixel_stream",
 685       "    >>",
 686       "  }",
 687       "  {",
 688       "    % RGB colormap.",
 689       "    /colormap colors 3 mul string def",
 690       "    compression "PS3_NoCompression" eq",
 691       "    { currentfile /ASCII85Decode filter colormap readstring pop pop }",
 692       "    { currentfile colormap readstring pop pop }",
 693       "    ifelse",
 694       "    [ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace",
 695       "    <<",
 696       "      /ImageType 1",
 697       "      /Width columns",
 698       "      /Height rows",
 699       "      /BitsPerComponent 8",
 700       "      /Decode [0 255]",
 701       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 702       "      /DataSource pixel_stream",
 703       "    >>",
 704       "  }",
 705       "  ifelse",
 706       "} bind def",
 707       "",
 708       "/NonMaskedImageDict",
 709       "{",
 710       "  class "PS3_PseudoClass" eq",
 711       "  { PseudoClassImageDict }",
 712       "  { DirectClassImageDict }",
 713       "  ifelse",
 714       "} bind def",
 715       "",
 716       "/MaskedImageDict",
 717       "{",
 718       "  <<",
 719       "    /ImageType 3",
 720       "    /InterleaveType 3",
 721       "    /DataDict NonMaskedImageDict",
 722       "    /MaskDict",
 723       "    <<",
 724       "      /ImageType 1",
 725       "      /Width columns",
 726       "      /Height rows",
 727       "      /BitsPerComponent 1",
 728       "      /DataSource mask_stream",
 729       "      /MultipleDataSources false",
 730       "      /ImageMatrix [ columns 0 0 rows neg 0 rows]",
 731       "      /Decode [ 0 1 ]",
 732       "    >>",
 733       "  >>",
 734       "} bind def",
 735       "",
 736       "/ClipImage",
 737       "{} def",
 738       "",
 739       "/DisplayImage",
 740       "{",
 741       "  /buffer 512 string def",
 742       "  % Translation.",
 743       "  currentfile buffer readline pop",
 744       "  token pop /x exch def",
 745       "  token pop /y exch def pop",
 746       "  x y translate",
 747       "  % Image size and font size.",
 748       "  currentfile buffer readline pop",
 749       "  token pop /x exch def",
 750       "  token pop /y exch def pop",
 751       "  currentfile buffer readline pop",
 752       "  token pop /pointsize exch def pop",
 753       (char *) NULL
 754     },
 755     *PostscriptEpilog[]=
 756     {
 757       "  x y scale",
 758       "  % Clipping path.",
 759       "  currentfile buffer readline pop",
 760       "  token pop /clipped exch def pop",
 761       "  % Showpage.",
 762       "  currentfile buffer readline pop",
 763       "  token pop /sp exch def pop",
 764       "  % Image pixel size.",
 765       "  currentfile buffer readline pop",
 766       "  token pop /columns exch def",
 767       "  token pop /rows exch def pop",
 768       "  % Colorspace (RGB/CMYK).",
 769       "  currentfile buffer readline pop",
 770       "  token pop /colorspace exch def pop",
 771       "  % Transparency.",
 772       "  currentfile buffer readline pop",
 773       "  token pop /alpha exch def pop",
 774       "  % Stencil mask?",
 775       "  currentfile buffer readline pop",
 776       "  token pop /stencil exch def pop",
 777       "  % Image class (direct/pseudo).",
 778       "  currentfile buffer readline pop",
 779       "  token pop /class exch def pop",
 780       "  % Compression type.",
 781       "  currentfile buffer readline pop",
 782       "  token pop /compression exch def pop",
 783       "  % Clip and render.",
 784       "  /pixel_stream currentfile columns rows compression ByteStreamDecodeFilter def",
 785       "  clipped { ClipImage } if",
 786       "  alpha stencil not and",
 787       "  { MaskedImageDict mask_stream resetfile }",
 788       "  { NonMaskedImageDict }",
 789       "  ifelse",
 790       "  stencil { 0 setgray imagemask } { image } ifelse",
 791       "  sp { showpage } if",
 792       "} bind def",
 793       (char *) NULL
 794     };
 795
 796   char
 797     buffer[MaxTextExtent],
 798     date[MaxTextExtent],
 799     **labels,
 800     page_geometry[MaxTextExtent];
 801
 802   CompressionType
 803     compression;
 804
 805   const char
 806     *option,
 807     **q,
 808     *value;
 809
 810   double
 811     pointsize;
 812
 813   GeometryInfo
 814     geometry_info;
 815
 816   MagickBooleanType
 817     status;
 818
 819   MagickOffsetType
 820     offset,
 821     scene,
 822     start,
 823     stop;
 824
 825   MagickStatusType
 826     flags;
 827
 828   PointInfo
 829     delta,
 830     resolution,
 831     scale;
 832
 833   RectangleInfo
 834     geometry,
 835     media_info,
 836     page_info;
 837
 838   register ssize_t
 839     i;
 840
 841   SegmentInfo
 842     bounds;
 843
 844   size_t
 845     length,
 846     page,
 847     pixel,
 848     text_size;
 849
 850   ssize_t
 851     j;
 852
 853   time_t
 854     timer;
 855
 856   unsigned char
 857     *pixels;
 858
 859   /*
 860     Open output image file.
 861   */
 862   assert(image_info != (const ImageInfo *) NULL);
 863   assert(image_info->signature == MagickSignature);
 864   assert(image != (Image *) NULL);
 865   assert(image->signature == MagickSignature);
 866   if (image->debug != MagickFalse)
 867     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 868   status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
 869   if (status == MagickFalse)
 870     return(MagickFalse);
 871   compression=image->compression;
 872   if (image_info->compression != UndefinedCompression)
 873     compression=image_info->compression;
 874   switch (compression)
 875   {
 876     case FaxCompression:
 877     case Group4Compression:
 878     {
 879       if ((IsMonochromeImage(image,&image->exception) == MagickFalse) ||
 880           (image->matte != MagickFalse))
 881         compression=RLECompression;
 882       break;
 883     }
 884 #if !defined(MAGICKCORE_JPEG_DELEGATE)
 885     case JPEGCompression:
 886     {
 887       compression=RLECompression;
 888       (void) ThrowMagickException(&image->exception,GetMagickModule(),
 889         MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
 890         image->filename);
 891       break;
 892     }
 893 #endif
 894 #if !defined(MAGICKCORE_ZLIB_DELEGATE)
 895     case ZipCompression:
 896     {
 897       compression=RLECompression;
 898       (void) ThrowMagickException(&image->exception,GetMagickModule(),
 899         MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (ZLIB)",
 900         image->filename);
 901       break;
 902     }
 903 #endif
 904     default:
 905       break;
 906   }
 907   (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
 908   page=0;
 909   scene=0;
 910   do
 911   {
 912     /*
 913       Scale relative to dots-per-inch.
 914     */
 915     delta.x=DefaultResolution;
 916     delta.y=DefaultResolution;
 917     resolution.x=image->x_resolution;
 918     resolution.y=image->y_resolution;
 919     if ((resolution.x == 0.0) || (resolution.y == 0.0))
 920       {
 921         flags=ParseGeometry(PSDensityGeometry,&geometry_info);
 922         resolution.x=geometry_info.rho;
 923         resolution.y=geometry_info.sigma;
 924         if ((flags & SigmaValue) == 0)
 925           resolution.y=resolution.x;
 926       }
 927     if (image_info->density != (char *) NULL)
 928       {
 929         flags=ParseGeometry(image_info->density,&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->units == PixelsPerCentimeterResolution)
 936       {
 937         resolution.x=(size_t) (100.0*2.54*resolution.x+0.5)/100.0;
 938         resolution.y=(size_t) (100.0*2.54*resolution.y+0.5)/100.0;
 939       }
 940     SetGeometry(image,&geometry);
 941     (void) FormatLocaleString(page_geometry,MaxTextExtent,"%.20gx%.20g",
 942       (double) image->columns,(double) image->rows);
 943     if (image_info->page != (char *) NULL)
 944       (void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
 945     else
 946       if ((image->page.width != 0) && (image->page.height != 0))
 947         (void) FormatLocaleString(page_geometry,MaxTextExtent,
 948           "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double)
 949           image->page.height,(double) image->page.x,(double) image->page.y);
 950       else
 951         if ((image->gravity != UndefinedGravity) &&
 952             (LocaleCompare(image_info->magick,"PS") == 0))
 953           (void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
 954     (void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
 955     (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
 956       &geometry.width,&geometry.height);
 957     scale.x=(double) (geometry.width*delta.x)/resolution.x;
 958     geometry.width=(size_t) floor(scale.x+0.5);
 959     scale.y=(double) (geometry.height*delta.y)/resolution.y;
 960     geometry.height=(size_t) floor(scale.y+0.5);
 961     (void) ParseAbsoluteGeometry(page_geometry,&media_info);
 962     (void) ParseGravityGeometry(image,page_geometry,&page_info,
 963       &image->exception);
 964     if (image->gravity != UndefinedGravity)
 965       {
 966         geometry.x=(-page_info.x);
 967         geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
 968       }
 969     pointsize=12.0;
 970     if (image_info->pointsize != 0.0)
 971       pointsize=image_info->pointsize;
 972     text_size=0;
 973     value=GetImageProperty(image,"label");
 974     if (value != (const char *) NULL)
 975       text_size=(size_t) (MultilineCensus(value)*pointsize+12);
 976     page++;
 977     if (page == 1)
 978       {
 979         /*
 980           Postscript header on the first page.
 981         */
 982         if (LocaleCompare(image_info->magick,"PS3") == 0)
 983           (void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MaxTextExtent);
 984         else
 985           (void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
 986             MaxTextExtent);
 987         (void) WriteBlobString(image,buffer);
 988         (void) FormatLocaleString(buffer,MaxTextExtent,
 989           "%%%%Creator: ImageMagick %s\n",MagickLibVersionText);
 990         (void) WriteBlobString(image,buffer);
 991         (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Title: %s\n",
 992           image->filename);
 993         (void) WriteBlobString(image,buffer);
 994         timer=time((time_t *) NULL);
 995         (void) FormatMagickTime(timer,MaxTextExtent,date);
 996         (void) FormatLocaleString(buffer,MaxTextExtent,
 997           "%%%%CreationDate: %s\n",date);
 998         (void) WriteBlobString(image,buffer);
 999         bounds.x1=(double) geometry.x;
1000         bounds.y1=(double) geometry.y;
1001         bounds.x2=(double) geometry.x+scale.x;
1002         bounds.y2=(double) geometry.y+scale.y+text_size;
1003         if ((image_info->adjoin != MagickFalse) &&
1004             (GetNextImageInList(image) != (Image *) NULL))
1005           {
1006             (void) WriteBlobString(image,"%%BoundingBox: (atend)\n");
1007             (void) WriteBlobString(image,"%%HiResBoundingBox: (atend)\n");
1008           }
1009         else
1010           {
1011             (void) FormatLocaleString(buffer,MaxTextExtent,
1012               "%%%%BoundingBox: %g %g %g %g\n",floor(bounds.x1+0.5),
1013               floor(bounds.y1+0.5),ceil(bounds.x2-0.5),ceil(bounds.y2-0.5));
1014             (void) WriteBlobString(image,buffer);
1015             (void) FormatLocaleString(buffer,MaxTextExtent,
1016               "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,
1017               bounds.y1,bounds.x2,bounds.y2);
1018             (void) WriteBlobString(image,buffer);
1019             if (image->colorspace == CMYKColorspace)
1020               (void) WriteBlobString(image,
1021                 "%%DocumentProcessColors: Cyan Magenta Yellow Black\n");
1022             else
1023               if (IsGrayImage(image,&image->exception) != MagickFalse)
1024                 (void) WriteBlobString(image,
1025                   "%%DocumentProcessColors: Black\n");
1026           }
1027         /*
1028           Font resources
1029         */
1030         value=GetImageProperty(image,"label");
1031         if (value != (const char *) NULL)
1032           (void) WriteBlobString(image,
1033             "%%DocumentNeededResources: font Helvetica\n");
1034         (void) WriteBlobString(image,"%%LanguageLevel: 3\n");
1035         /*
1036           Pages, orientation and order.
1037         */
1038         if (LocaleCompare(image_info->magick,"PS3") != 0)
1039           (void) WriteBlobString(image,"%%Pages: 1\n");
1040         else
1041           {
1042             (void) WriteBlobString(image,"%%Orientation: Portrait\n");
1043             (void) WriteBlobString(image,"%%PageOrder: Ascend\n");
1044             if (image_info->adjoin == MagickFalse)
1045               (void) CopyMagickString(buffer,"%%Pages: 1\n",MaxTextExtent);
1046             else
1047               (void) FormatLocaleString(buffer,MaxTextExtent,
1048                 "%%%%Pages: %.20g\n",(double) GetImageListLength(image));
1049             (void) WriteBlobString(image,buffer);
1050           }
1051         (void) WriteBlobString(image,"%%EndComments\n");
1052         /*
1053           The static postscript procedures prolog.
1054         */
1055         (void)WriteBlobString(image,"%%BeginProlog\n");
1056         for (q=PostscriptProlog; *q; q++)
1057         {
1058           (void) WriteBlobString(image,*q);
1059           (void) WriteBlobByte(image,'\n');
1060         }
1061         /*
1062           One label line for each line in label string.
1063         */
1064         value=GetImageProperty(image,"label");
1065         if (value != (const char *) NULL)
1066           {
1067               (void) WriteBlobString(image,"\n  %% Labels.\n  /Helvetica "
1068               " findfont pointsize scalefont setfont\n");
1069             for (i=(ssize_t) MultilineCensus(value)-1; i >= 0; i--)
1070             {
1071               (void) WriteBlobString(image,
1072                 "  currentfile buffer readline pop token pop\n");
1073               (void) FormatLocaleString(buffer,MaxTextExtent,
1074                 "  0 y %g add moveto show pop\n",i*pointsize+12);
1075               (void) WriteBlobString(image,buffer);
1076             }
1077           }
1078         /*
1079           The static postscript procedures epilog.
1080         */
1081         for (q=PostscriptEpilog; *q; q++)
1082         {
1083           (void) WriteBlobString(image,*q);
1084           (void) WriteBlobByte(image,'\n');
1085         }
1086         (void)WriteBlobString(image,"%%EndProlog\n");
1087       }
1088     (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Page: 1 %.20g\n",
1089       (double) page);
1090     (void) WriteBlobString(image,buffer);
1091     /*
1092       Page bounding box.
1093     */
1094     (void) FormatLocaleString(buffer,MaxTextExtent,
1095       "%%%%PageBoundingBox: %.20g %.20g %.20g %.20g\n",(double) geometry.x,
1096        (double) geometry.y,geometry.x+(double) geometry.width,geometry.y+
1097        (double) (geometry.height+text_size));
1098     (void) WriteBlobString(image,buffer);
1099     /*
1100       Page process colors if not RGB.
1101     */
1102     if (image->colorspace == CMYKColorspace)
1103       (void) WriteBlobString(image,
1104         "%%PageProcessColors: Cyan Magenta Yellow Black\n");
1105     else
1106       if (IsGrayImage(image,&image->exception) != MagickFalse)
1107         (void) WriteBlobString(image,"%%PageProcessColors: Black\n");
1108     /*
1109       Adjust document bounding box to bound page bounding box.
1110     */
1111     if ((double) geometry.x < bounds.x1)
1112       bounds.x1=(double) geometry.x;
1113     if ((double) geometry.y < bounds.y1)
1114       bounds.y1=(double) geometry.y;
1115     if ((double) (geometry.x+scale.x) > bounds.x2)
1116       bounds.x2=(double) geometry.x+scale.x;
1117     if ((double) (geometry.y+scale.y+text_size) > bounds.y2)
1118       bounds.y2=(double) geometry.y+scale.y+text_size;
1119     /*
1120       Page font resource if there's a label.
1121     */
1122     value=GetImageProperty(image,"label");
1123     if (value != (const char *) NULL)
1124       (void) WriteBlobString(image,"%%PageResources: font Helvetica\n");
1125     /*
1126       PS clipping path from Photoshop clipping path.
1127     */
1128     if ((image->clip_mask == (Image *) NULL) ||
1129         (LocaleNCompare("8BIM:",image->clip_mask->magick_filename,5) != 0))
1130       (void) WriteBlobString(image,"/ClipImage {} def\n");
1131     else
1132       {
1133         const char
1134           *value;
1135
1136         value=GetImageProperty(image,image->clip_mask->magick_filename);
1137         if (value == (const char *) NULL)
1138           return(MagickFalse);
1139         (void) WriteBlobString(image,value);
1140         (void) WriteBlobByte(image,'\n');
1141       }
1142     /*
1143       Push a dictionary for our own def's if this an EPS.
1144     */
1145     if (LocaleCompare(image_info->magick,"PS3") != 0)
1146       (void) WriteBlobString(image,"userdict begin\n");
1147     /*
1148       Image mask.
1149     */
1150     if ((image->matte != MagickFalse) &&
1151         (WritePS3MaskImage(image_info,image,compression) == MagickFalse))
1152       {
1153         (void) CloseBlob(image);
1154         return(MagickFalse);
1155       }
1156     /*
1157       Remember position of BeginData comment so we can update it.
1158     */
1159     start=TellBlob(image);
1160     (void) FormatLocaleString(buffer,MaxTextExtent,
1161       "%%%%BeginData:%13ld %s Bytes\n",0L,
1162       compression == NoCompression ? "ASCII" : "BINARY");
1163     (void) WriteBlobString(image,buffer);
1164     stop=TellBlob(image);
1165     (void) WriteBlobString(image,"DisplayImage\n");
1166     /*
1167       Translate, scale, and font point size.
1168     */
1169     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%g %g\n%g\n",
1170       (double) geometry.x,(double) geometry.y,scale.x,scale.y,pointsize);
1171     (void) WriteBlobString(image,buffer);
1172     /*
1173       Output labels.
1174     */
1175     labels=(char **) NULL;
1176     value=GetImageProperty(image,"label");
1177     if (value != (const char *) NULL)
1178       labels=StringToList(value);
1179     if (labels != (char **) NULL)
1180       {
1181         for (i=0; labels[i] != (char *) NULL; i++)
1182         {
1183           if (compression != NoCompression)
1184             {
1185               for (j=0; labels[i][j] != '\0'; j++)
1186                 (void) WriteBlobByte(image,(unsigned char) labels[i][j]);
1187               (void) WriteBlobByte(image,'\n');
1188             }
1189           else
1190             {
1191               (void) WriteBlobString(image,"<~");
1192               Ascii85Initialize(image);
1193               for (j=0; labels[i][j] != '\0'; j++)
1194                 Ascii85Encode(image,(unsigned char) labels[i][j]);
1195               Ascii85Flush(image);
1196             }
1197           labels[i]=DestroyString(labels[i]);
1198         }
1199         labels=(char **) RelinquishMagickMemory(labels);
1200       }
1201     /*
1202       Photoshop clipping path active?
1203     */
1204     if ((image->clip_mask != (Image *) NULL) &&
1205         (LocaleNCompare("8BIM:",image->clip_mask->magick_filename,5) == 0))
1206         (void) WriteBlobString(image,"true\n");
1207       else
1208         (void) WriteBlobString(image,"false\n");
1209     /*
1210       Showpage for non-EPS.
1211     */
1212     (void) WriteBlobString(image, LocaleCompare(image_info->magick,"PS3") == 0 ?
1213       "true\n" : "false\n");
1214     /*
1215       Image columns, rows, and color space.
1216     */
1217     (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%s\n",
1218       (double) image->columns,(double) image->rows,image->colorspace ==
1219       CMYKColorspace ? PS3_CMYKColorspace : PS3_RGBColorspace);
1220     (void) WriteBlobString(image,buffer);
1221     /*
1222       Masked image?
1223     */
1224     (void) WriteBlobString(image,image->matte != MagickFalse ?
1225       "true\n" : "false\n");
1226     /*
1227       Render with imagemask operator?
1228     */
1229     option=GetImageOption(image_info,"ps3:imagemask");
1230     (void) WriteBlobString(image,((option != (const char *) NULL) &&
1231       (IsMonochromeImage(image,&image->exception) != MagickFalse)) ?
1232       "true\n" : "false\n");
1233     /*
1234       Output pixel data.
1235     */
1236     pixels=(unsigned char *) NULL;
1237     length=0;
1238     if ((image_info->type != TrueColorType) &&
1239         (image_info->type != TrueColorMatteType) &&
1240         (image_info->type != ColorSeparationType) &&
1241         (image_info->type != ColorSeparationMatteType) &&
1242         (image->colorspace != CMYKColorspace) &&
1243         ((IsGrayImage(image,&image->exception) != MagickFalse) ||
1244          (IsMonochromeImage(image,&image->exception) != MagickFalse)))
1245       {
1246         /*
1247           Gray images.
1248         */
1249         (void) WriteBlobString(image,PS3_PseudoClass"\n");
1250         switch (compression)
1251         {
1252           case NoCompression:
1253           default:
1254           {
1255             (void) WriteBlobString(image,PS3_NoCompression"\n");
1256             break;
1257           }
1258           case FaxCompression:
1259           case Group4Compression:
1260           {
1261             (void) WriteBlobString(image,PS3_FaxCompression"\n");
1262             break;
1263           }
1264           case JPEGCompression:
1265           {
1266             (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1267             break;
1268           }
1269           case LZWCompression:
1270           {
1271             (void) WriteBlobString(image,PS3_LZWCompression"\n");
1272             break;
1273           }
1274           case RLECompression:
1275           {
1276             (void) WriteBlobString(image,PS3_RLECompression"\n");
1277             break;
1278           }
1279           case ZipCompression:
1280           {
1281             (void) WriteBlobString(image,PS3_ZipCompression"\n");
1282             break;
1283           }
1284         }
1285         /*
1286           Number of colors -- 0 for single component non-color mapped data.
1287         */
1288         (void) WriteBlobString(image,"0\n");
1289         /*
1290           1 bit or 8 bit components?
1291         */
1292         (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
1293           IsMonochromeImage(image,&image->exception) != MagickFalse ? 1 : 8);
1294         (void) WriteBlobString(image,buffer);
1295         /*
1296           Image data.
1297         */
1298         if (compression == JPEGCompression)
1299           status=InjectImageBlob(image_info,image,image,"jpeg",
1300             &image->exception);
1301         else
1302           if ((compression == FaxCompression) ||
1303               (compression == Group4Compression))
1304             {
1305               if (LocaleCompare(CCITTParam,"0") == 0)
1306                 status=HuffmanEncodeImage(image_info,image,image);
1307               else
1308                 status=Huffman2DEncodeImage(image_info,image,image);
1309             }
1310           else
1311             {
1312               status=SerializeImageChannel(image_info,image,&pixels,&length);
1313               if (status == MagickFalse)
1314                 {
1315                   (void) CloseBlob(image);
1316                   return(MagickFalse);
1317                 }
1318               switch (compression)
1319               {
1320                 case NoCompression:
1321                 default:
1322                 {
1323                   Ascii85Initialize(image);
1324                   for (i=0; i < (ssize_t) length; i++)
1325                     Ascii85Encode(image,pixels[i]);
1326                   Ascii85Flush(image);
1327                   status=MagickTrue;
1328                   break;
1329                 }
1330                 case LZWCompression:
1331                 {
1332                   status=LZWEncodeImage(image,length,pixels);
1333                   break;
1334                 }
1335                 case RLECompression:
1336                 {
1337                   status=PackbitsEncodeImage(image,length,pixels);
1338                   break;
1339                 }
1340                 case ZipCompression:
1341                 {
1342                   status=ZLIBEncodeImage(image,length,pixels);
1343                   break;
1344                 }
1345               }
1346               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1347             }
1348       }
1349     else
1350       if ((image->storage_class == DirectClass) || (image->colors > 256) ||
1351           (compression == JPEGCompression))
1352         {
1353           /*
1354             Truecolor image.
1355           */
1356           (void) WriteBlobString(image,PS3_DirectClass"\n");
1357           switch (compression)
1358           {
1359             case NoCompression:
1360             default:
1361             {
1362               (void) WriteBlobString(image,PS3_NoCompression"\n");
1363               break;
1364             }
1365             case RLECompression:
1366             {
1367               (void) WriteBlobString(image,PS3_RLECompression"\n");
1368               break;
1369             }
1370             case JPEGCompression:
1371             {
1372               (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1373               break;
1374             }
1375             case LZWCompression:
1376             {
1377               (void) WriteBlobString(image,PS3_LZWCompression"\n");
1378               break;
1379             }
1380             case ZipCompression:
1381             {
1382               (void) WriteBlobString(image,PS3_ZipCompression"\n");
1383               break;
1384             }
1385           }
1386           /*
1387             Image data.
1388           */
1389           if (compression == JPEGCompression)
1390             status=InjectImageBlob(image_info,image,image,"jpeg",
1391               &image->exception);
1392           else
1393             {
1394               /*
1395                 Stream based compressions.
1396               */
1397               status=SerializeImage(image_info,image,&pixels,&length);
1398               if (status == MagickFalse)
1399                 {
1400                   (void) CloseBlob(image);
1401                   return(MagickFalse);
1402                 }
1403               switch (compression)
1404               {
1405                 case NoCompression:
1406                 default:
1407                 {
1408                   Ascii85Initialize(image);
1409                   for (i=0; i < (ssize_t) length; i++)
1410                     Ascii85Encode(image,pixels[i]);
1411                   Ascii85Flush(image);
1412                   status=MagickTrue;
1413                   break;
1414                 }
1415                 case RLECompression:
1416                 {
1417                   status=PackbitsEncodeImage(image,length,pixels);
1418                   break;
1419                 }
1420                 case LZWCompression:
1421                 {
1422                   status=LZWEncodeImage(image,length,pixels);
1423                   break;
1424                 }
1425                 case ZipCompression:
1426                 {
1427                   status=ZLIBEncodeImage(image,length,pixels);
1428                   break;
1429                 }
1430               }
1431               pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1432             }
1433           }
1434         else
1435           {
1436             /*
1437               Colormapped images.
1438             */
1439             (void) WriteBlobString(image,PS3_PseudoClass"\n");
1440             switch (compression)
1441             {
1442               case NoCompression:
1443               default:
1444               {
1445                 (void) WriteBlobString(image,PS3_NoCompression"\n");
1446                 break;
1447               }
1448               case JPEGCompression:
1449               {
1450                 (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1451                 break;
1452               }
1453               case RLECompression:
1454               {
1455                 (void) WriteBlobString(image,PS3_RLECompression"\n");
1456                 break;
1457               }
1458               case LZWCompression:
1459               {
1460                 (void) WriteBlobString(image,PS3_LZWCompression"\n");
1461                 break;
1462               }
1463               case ZipCompression:
1464               {
1465                 (void) WriteBlobString(image,PS3_ZipCompression"\n");
1466                 break;
1467               }
1468             }
1469             /*
1470               Number of colors in color map.
1471             */
1472             (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",
1473               (double) image->colors);
1474             (void) WriteBlobString(image,buffer);
1475             /*
1476               Color map - uncompressed.
1477             */
1478             if ((compression != NoCompression) &&
1479                 (compression != UndefinedCompression))
1480               {
1481                 for (i=0; i < (ssize_t) image->colors; i++)
1482                 {
1483                   pixel=ScaleQuantumToChar(image->colormap[i].red);
1484                   (void) WriteBlobByte(image,(unsigned char) pixel);
1485                   pixel=ScaleQuantumToChar(image->colormap[i].green);
1486                   (void) WriteBlobByte(image,(unsigned char) pixel);
1487                   pixel=ScaleQuantumToChar(image->colormap[i].blue);
1488                   (void) WriteBlobByte(image,(unsigned char) pixel);
1489                 }
1490               }
1491             else
1492               {
1493                 Ascii85Initialize(image);
1494                 for (i=0; i < (ssize_t) image->colors; i++)
1495                 {
1496                   pixel=ScaleQuantumToChar(image->colormap[i].red);
1497                   Ascii85Encode(image,(unsigned char) pixel);
1498                   pixel=ScaleQuantumToChar(image->colormap[i].green);
1499                   Ascii85Encode(image,(unsigned char) pixel);
1500                   pixel=ScaleQuantumToChar(image->colormap[i].blue);
1501                   Ascii85Encode(image,(unsigned char) pixel);
1502                 }
1503                 Ascii85Flush(image);
1504               }
1505             status=SerializeImageIndexes(image_info,image,&pixels,&length);
1506             if (status == MagickFalse)
1507               {
1508                 (void) CloseBlob(image);
1509                 return(MagickFalse);
1510               }
1511             switch (compression)
1512             {
1513               case NoCompression:
1514               default:
1515               {
1516                 Ascii85Initialize(image);
1517                 for (i=0; i < (ssize_t) length; i++)
1518                   Ascii85Encode(image,pixels[i]);
1519                 Ascii85Flush(image);
1520                 status=MagickTrue;
1521                 break;
1522               }
1523               case JPEGCompression:
1524               {
1525                 status=InjectImageBlob(image_info,image,image,"jpeg",
1526                   &image->exception);
1527                 break;
1528               }
1529               case RLECompression:
1530               {
1531                 status=PackbitsEncodeImage(image,length,pixels);
1532                 break;
1533               }
1534               case LZWCompression:
1535               {
1536                 status=LZWEncodeImage(image,length,pixels);
1537                 break;
1538               }
1539               case ZipCompression:
1540               {
1541                 status=ZLIBEncodeImage(image,length,pixels);
1542                 break;
1543               }
1544             }
1545             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1546           }
1547     (void) WriteBlobByte(image,'\n');
1548     if (status == MagickFalse)
1549       {
1550         (void) CloseBlob(image);
1551         return(MagickFalse);
1552       }
1553     /*
1554       Update BeginData now that we know the data size.
1555     */
1556     length=(size_t) (TellBlob(image)-stop);
1557     stop=TellBlob(image);
1558     offset=SeekBlob(image,start,SEEK_SET);
1559     if (offset < 0)
1560       ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1561     (void) FormatLocaleString(buffer,MaxTextExtent,
1562       "%%%%BeginData:%13ld %s Bytes\n",(long) length,
1563       compression == NoCompression ? "ASCII" : "BINARY");
1564     (void) WriteBlobString(image,buffer);
1565     offset=SeekBlob(image,stop,SEEK_SET);
1566     (void) WriteBlobString(image,"%%EndData\n");
1567     /*
1568       End private dictionary if this an EPS.
1569     */
1570     if (LocaleCompare(image_info->magick,"PS3") != 0)
1571       (void) WriteBlobString(image,"end\n");
1572     (void) WriteBlobString(image,"%%PageTrailer\n");
1573     if (GetNextImageInList(image) == (Image *) NULL)
1574       break;
1575     image=SyncNextImageInList(image);
1576     status=SetImageProgress(image,SaveImagesTag,scene++,
1577       GetImageListLength(image));
1578     if (status == MagickFalse)
1579       break;
1580   } while (image_info->adjoin != MagickFalse);
1581   (void) WriteBlobString(image,"%%Trailer\n");
1582   if (page > 1)
1583     {
1584       (void) FormatLocaleString(buffer,MaxTextExtent,
1585         "%%%%BoundingBox: %g %g %g %g\n",floor(bounds.x1+0.5),
1586         floor(bounds.y1+0.5),ceil(bounds.x2-0.5),ceil(bounds.y2-0.5));
1587       (void) WriteBlobString(image,buffer);
1588       (void) FormatLocaleString(buffer,MaxTextExtent,
1589         "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,
1590         bounds.x2,bounds.y2);
1591       (void) WriteBlobString(image,buffer);
1592     }
1593   (void) WriteBlobString(image,"%%EOF\n");
1594   (void) CloseBlob(image);
1595   return(MagickTrue);
1596 }