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 %                                   Cristy                                    %
  17 %                              Lars Ruben Skyum                               %
  18 %                                 July 1992                                   %
  19 %                                                                             %
  20 %                                                                             %
  21 %  Copyright 1999-2016 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/artifact.h"
  45 #include "MagickCore/attribute.h"
  46 #include "MagickCore/blob.h"
  47 #include "MagickCore/blob-private.h"
  48 #include "MagickCore/cache.h"
  49 #include "MagickCore/channel.h"
  50 #include "MagickCore/color.h"
  51 #include "MagickCore/color-private.h"
  52 #include "MagickCore/compress.h"
  53 #include "MagickCore/constitute.h"
  54 #include "MagickCore/draw.h"
  55 #include "MagickCore/exception.h"
  56 #include "MagickCore/exception-private.h"
  57 #include "MagickCore/geometry.h"
  58 #include "MagickCore/image.h"
  59 #include "MagickCore/image-private.h"
  60 #include "MagickCore/list.h"
  61 #include "MagickCore/magick.h"
  62 #include "MagickCore/memory_.h"
  63 #include "MagickCore/monitor.h"
  64 #include "MagickCore/monitor-private.h"
  65 #include "MagickCore/option.h"
  66 #include "MagickCore/pixel-accessor.h"
  67 #include "MagickCore/property.h"
  68 #include "MagickCore/quantum-private.h"
  69 #include "MagickCore/resource_.h"
  70 #include "MagickCore/static.h"
  71 #include "MagickCore/string_.h"
  72 #include "MagickCore/module.h"
  73 #include "MagickCore/token.h"
  74 #include "MagickCore/utility.h"
  75 #include "MagickCore/module.h"
  76 \f
  77 /*
  78   Define declarations.
  79 */
  80 #define PS3_NoCompression "0"
  81 #define PS3_FaxCompression "1"
  82 #define PS3_JPEGCompression "2"
  83 #define PS3_LZWCompression "3"
  84 #define PS3_RLECompression "4"
  85 #define PS3_ZipCompression "5"
  86
  87 #define PS3_RGBColorspace "0"
  88 #define PS3_CMYKColorspace "1"
  89
  90 #define PS3_DirectClass "0"
  91 #define PS3_PseudoClass "1"
  92
  93 #if defined(MAGICKCORE_TIFF_DELEGATE)
  94 #define CCITTParam  "-1"
  95 #else
  96 #define CCITTParam  "0"
  97 #endif
  98 \f
  99 /*
 100   Forward declarations.
 101 */
 102 static MagickBooleanType
 103   WritePS3Image(const ImageInfo *,Image *,ExceptionInfo *);
 104 \f
 105 /*
 106 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 107 %                                                                             %
 108 %                                                                             %
 109 %                                                                             %
 110 %   R e g i s t e r P S 3 I m a g e                                           %
 111 %                                                                             %
 112 %                                                                             %
 113 %                                                                             %
 114 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 115 %
 116 %  RegisterPS3Image() adds properties for the PS3 image format to the list of
 117 %  supported formats.  The properties include the image format tag, a method to
 118 %  read and/or write the format, whether the format supports the saving of more
 119 %  than one frame to the same file or blob, whether the format supports native
 120 %  in-memory I/O, and a brief description of the format.
 121 %
 122 %  The format of the RegisterPS3Image method is:
 123 %
 124 %      size_t RegisterPS3Image(void)
 125 %
 126 */
 127 ModuleExport size_t RegisterPS3Image(void)
 128 {
 129   MagickInfo
 130     *entry;
 131
 132   entry=AcquireMagickInfo("PS3","EPS3","Level III Encapsulated PostScript");
 133   entry->encoder=(EncodeImageHandler *) WritePS3Image;
 134   entry->mime_type=ConstantString("application/postscript");
 135   entry->flags|=CoderSeekableStreamFlag;
 136   (void) RegisterMagickInfo(entry);
 137   entry=AcquireMagickInfo("PS3","PS3","Level III PostScript");
 138   entry->encoder=(EncodeImageHandler *) WritePS3Image;
 139   entry->mime_type=ConstantString("application/postscript");
 140   entry->flags|=CoderSeekableStreamFlag;
 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,ExceptionInfo *exception)
 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:",MagickPathExtent);
 222   (void) CopyMagickString(write_info->magick,"GROUP4",MagickPathExtent);
 223   group4_image=CloneImage(inject_image,0,0,MagickTrue,exception);
 224   if (group4_image == (Image *) NULL)
 225     return(MagickFalse);
 226   group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
 227     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,MemoryInfo **pixel_info,size_t *length,ExceptionInfo *exception)
 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 == MagickCoreSignature);
 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   *pixel_info=AcquireVirtualMemory(*length,sizeof(*q));
 264   if (*pixel_info == (MemoryInfo *) NULL)
 265     ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
 266   q=(unsigned char *) GetVirtualMemoryBlob(*pixel_info);
 267   for (y=0; y < (ssize_t) image->rows; y++)
 268   {
 269     p=GetVirtualPixels(image,0,y,image->columns,1,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     *pixel_info=RelinquishVirtualMemory(*pixel_info);
 299   return(status);
 300 }
 301
 302 static MagickBooleanType SerializeImageChannel(const ImageInfo *image_info,
 303   Image *image,MemoryInfo **pixel_info,size_t *length,ExceptionInfo *exception)
 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 == MagickCoreSignature);
 330   if (image->debug != MagickFalse)
 331     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 332   status=MagickTrue;
 333   pack=SetImageMonochrome(image,exception) == MagickFalse ? 1UL : 8UL;
 334   padded_columns=((image->columns+pack-1)/pack)*pack;
 335   *length=(size_t) padded_columns*image->rows/pack;
 336   *pixel_info=AcquireVirtualMemory(*length,sizeof(*q));
 337   if (*pixel_info == (MemoryInfo *) NULL)
 338     ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
 339   q=(unsigned char *) GetVirtualMemoryBlob(*pixel_info);
 340   for (y=0; y < (ssize_t) image->rows; y++)
 341   {
 342     p=GetVirtualPixels(image,0,y,image->columns,1,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(ClampToQuantum(GetPixelLuma(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) (GetPixelLuma(image,p) == TransparentAlpha ?
 359               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     *pixel_info=RelinquishVirtualMemory(*pixel_info);
 376   return(status);
 377 }
 378
 379 static MagickBooleanType SerializeImageIndexes(const ImageInfo *image_info,
 380   Image *image,MemoryInfo **pixel_info,size_t *length,ExceptionInfo *exception)
 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 == MagickCoreSignature);
 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   *pixel_info=AcquireVirtualMemory(*length,sizeof(*q));
 404   if (*pixel_info == (MemoryInfo *) NULL)
 405     ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
 406   q=(unsigned char *) GetVirtualMemoryBlob(*pixel_info);
 407   for (y=0; y < (ssize_t) image->rows; y++)
 408   {
 409     p=GetVirtualPixels(image,0,y,image->columns,1,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     *pixel_info=RelinquishVirtualMemory(*pixel_info);
 427   return(status);
 428 }
 429
 430 static MagickBooleanType WritePS3MaskImage(const ImageInfo *image_info,
 431   Image *image,const CompressionType compression,ExceptionInfo *exception)
 432 {
 433   char
 434     buffer[MagickPathExtent];
 435
 436   Image
 437     *mask_image;
 438
 439   MagickBooleanType
 440     status;
 441
 442   MagickOffsetType
 443     offset,
 444     start,
 445     stop;
 446
 447   MemoryInfo
 448     *pixel_info;
 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 == MagickCoreSignature);
 461   assert(image != (Image *) NULL);
 462   assert(image->signature == MagickCoreSignature);
 463   if (image->debug != MagickFalse)
 464     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 465   assert(image->alpha_trait != UndefinedPixelTrait);
 466   status=MagickTrue;
 467   /*
 468     Note BeginData DSC comment for update later.
 469   */
 470   start=TellBlob(image);
 471   if (start < 0)
 472     ThrowWriterException(CorruptImageError,"ImproperImageHeader");
 473   (void) FormatLocaleString(buffer,MagickPathExtent,
 474     "%%%%BeginData:%13ld %s Bytes\n",0L,compression == NoCompression ?
 475     "ASCII" : "BINARY");
 476   (void) WriteBlobString(image,buffer);
 477   stop=TellBlob(image);
 478   if (stop < 0)
 479     ThrowWriterException(CorruptImageError,"ImproperImageHeader");
 480   /*
 481     Only lossless compressions for the mask.
 482   */
 483   switch (compression)
 484   {
 485     case NoCompression:
 486     default:
 487     {
 488       (void) FormatLocaleString(buffer,MagickPathExtent,
 489         "currentfile %.20g %.20g "PS3_NoCompression" ByteStreamDecodeFilter\n",
 490         (double) image->columns,(double) image->rows);
 491       break;
 492     }
 493     case FaxCompression:
 494     case Group4Compression:
 495     {
 496       (void) FormatLocaleString(buffer,MagickPathExtent,
 497         "currentfile %.20g %.20g "PS3_FaxCompression" ByteStreamDecodeFilter\n",
 498         (double) image->columns,(double) image->rows);
 499       break;
 500     }
 501     case LZWCompression:
 502     {
 503       (void) FormatLocaleString(buffer,MagickPathExtent,
 504         "currentfile %.20g %.20g "PS3_LZWCompression" ByteStreamDecodeFilter\n",
 505         (double) image->columns,(double) image->rows);
 506       break;
 507     }
 508     case RLECompression:
 509     {
 510       (void) FormatLocaleString(buffer,MagickPathExtent,
 511         "currentfile %.20g %.20g "PS3_RLECompression" ByteStreamDecodeFilter\n",
 512         (double) image->columns,(double) image->rows);
 513       break;
 514     }
 515     case ZipCompression:
 516     {
 517       (void) FormatLocaleString(buffer,MagickPathExtent,
 518         "currentfile %.20g %.20g "PS3_ZipCompression" ByteStreamDecodeFilter\n",
 519         (double) image->columns,(double) image->rows);
 520       break;
 521     }
 522   }
 523   (void) WriteBlobString(image,buffer);
 524   (void) WriteBlobString(image,"/ReusableStreamDecode filter\n");
 525   mask_image=SeparateImage(image,AlphaChannel,exception);
 526   if (mask_image == (Image *) NULL)
 527     ThrowWriterException(CoderError,exception->reason);
 528   (void) SetImageType(mask_image,BilevelType,exception);
 529   (void) SetImageType(mask_image,PaletteType,exception);
 530   mask_image->alpha_trait=UndefinedPixelTrait;
 531   pixels=(unsigned char *) NULL;
 532   length=0;
 533   switch (compression)
 534   {
 535     case NoCompression:
 536     default:
 537     {
 538       status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length,
 539         exception);
 540       if (status == MagickFalse)
 541         break;
 542       Ascii85Initialize(image);
 543       pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
 544       for (i=0; i < (ssize_t) length; i++)
 545         Ascii85Encode(image,pixels[i]);
 546       Ascii85Flush(image);
 547       pixel_info=RelinquishVirtualMemory(pixel_info);
 548       break;
 549     }
 550     case FaxCompression:
 551     case Group4Compression:
 552     {
 553       if ((compression == FaxCompression) ||
 554           (LocaleCompare(CCITTParam,"0") == 0))
 555         status=HuffmanEncodeImage(image_info,image,mask_image,exception);
 556       else
 557         status=Huffman2DEncodeImage(image_info,image,mask_image,exception);
 558       break;
 559     }
 560     case LZWCompression:
 561     {
 562       status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length,
 563         exception);
 564       if (status == MagickFalse)
 565         break;
 566       pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
 567       status=LZWEncodeImage(image,length,pixels,exception);
 568       pixel_info=RelinquishVirtualMemory(pixel_info);
 569       break;
 570     }
 571     case RLECompression:
 572     {
 573       status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length,
 574         exception);
 575       if (status == MagickFalse)
 576         break;
 577       pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
 578       status=PackbitsEncodeImage(image,length,pixels,exception);
 579       pixel_info=RelinquishVirtualMemory(pixel_info);
 580       break;
 581     }
 582     case ZipCompression:
 583     {
 584       status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length,
 585         exception);
 586       if (status == MagickFalse)
 587         break;
 588       pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
 589       status=ZLIBEncodeImage(image,length,pixels,exception);
 590       pixel_info=RelinquishVirtualMemory(pixel_info);
 591       break;
 592     }
 593   }
 594   mask_image=DestroyImage(mask_image);
 595   (void) WriteBlobByte(image,'\n');
 596   length=(size_t) (TellBlob(image)-stop);
 597   stop=TellBlob(image);
 598   if (stop < 0)
 599     ThrowWriterException(CorruptImageError,"ImproperImageHeader");
 600   offset=SeekBlob(image,start,SEEK_SET);
 601   if (offset < 0)
 602     ThrowWriterException(CorruptImageError,"ImproperImageHeader");
 603   (void) FormatLocaleString(buffer,MagickPathExtent,
 604     "%%%%BeginData:%13ld %s Bytes\n",(long) length,
 605     compression == NoCompression ? "ASCII" : "BINARY");
 606   (void) WriteBlobString(image,buffer);
 607   offset=SeekBlob(image,stop,SEEK_SET);
 608   if (offset < 0)
 609     ThrowWriterException(CorruptImageError,"ImproperImageHeader");
 610   (void) WriteBlobString(image,"%%EndData\n");
 611   (void) WriteBlobString(image, "/mask_stream exch def\n");
 612   return(status);
 613 }
 614
 615 static MagickBooleanType WritePS3Image(const ImageInfo *image_info,Image *image,
 616   ExceptionInfo *exception)
 617 {
 618   static const char
 619     *const PostscriptProlog[]=
 620     {
 621       "/ByteStreamDecodeFilter",
 622       "{",
 623       "  /z exch def",
 624       "  /r exch def",
 625       "  /c exch def",
 626       "  z "PS3_NoCompression" eq { /ASCII85Decode filter } if",
 627       "  z "PS3_FaxCompression" eq",
 628       "  {",
 629       "    <<",
 630       "      /K "CCITTParam,
 631       "      /Columns c",
 632       "      /Rows r",
 633       "    >>",
 634       "    /CCITTFaxDecode filter",
 635       "  } if",
 636       "  z "PS3_JPEGCompression" eq { /DCTDecode filter } if",
 637       "  z "PS3_LZWCompression" eq { /LZWDecode filter } if",
 638       "  z "PS3_RLECompression" eq { /RunLengthDecode filter } if",
 639       "  z "PS3_ZipCompression" eq { /FlateDecode filter } if",
 640       "} bind def",
 641       "",
 642       "/DirectClassImageDict",
 643       "{",
 644       "  colorspace "PS3_RGBColorspace" eq",
 645       "  {",
 646       "    /DeviceRGB setcolorspace",
 647       "    <<",
 648       "      /ImageType 1",
 649       "      /Width columns",
 650       "      /Height rows",
 651       "      /BitsPerComponent 8",
 652       "      /DataSource pixel_stream",
 653       "      /MultipleDataSources false",
 654       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 655       "      /Decode [0 1 0 1 0 1]",
 656       "    >>",
 657       "  }",
 658       "  {",
 659       "    /DeviceCMYK setcolorspace",
 660       "    <<",
 661       "      /ImageType 1",
 662       "      /Width columns",
 663       "      /Height rows",
 664       "      /BitsPerComponent 8",
 665       "      /DataSource pixel_stream",
 666       "      /MultipleDataSources false",
 667       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 668       "      /Decode",
 669       "        compression "PS3_JPEGCompression" eq",
 670       "        { [1 0 1 0 1 0 1 0] }",
 671       "        { [0 1 0 1 0 1 0 1] }",
 672       "        ifelse",
 673       "    >>",
 674       "  }",
 675       "  ifelse",
 676       "} bind def",
 677       "",
 678       "/PseudoClassImageDict",
 679       "{",
 680       "  % Colors in colormap image.",
 681       "  currentfile buffer readline pop",
 682       "  token pop /colors exch def pop",
 683       "  colors 0 eq",
 684       "  {",
 685       "    % Depth of grayscale image.",
 686       "    currentfile buffer readline pop",
 687       "    token pop /bits exch def pop",
 688       "    /DeviceGray setcolorspace",
 689       "    <<",
 690       "      /ImageType 1",
 691       "      /Width columns",
 692       "      /Height rows",
 693       "      /BitsPerComponent bits",
 694       "      /Decode [0 1]",
 695       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 696       "      /DataSource pixel_stream",
 697       "    >>",
 698       "  }",
 699       "  {",
 700       "    % RGB colormap.",
 701       "    /colormap colors 3 mul string def",
 702       "    compression "PS3_NoCompression" eq",
 703       "    { currentfile /ASCII85Decode filter colormap readstring pop pop }",
 704       "    { currentfile colormap readstring pop pop }",
 705       "    ifelse",
 706       "    [ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace",
 707       "    <<",
 708       "      /ImageType 1",
 709       "      /Width columns",
 710       "      /Height rows",
 711       "      /BitsPerComponent 8",
 712       "      /Decode [0 255]",
 713       "      /ImageMatrix [columns 0 0 rows neg 0 rows]",
 714       "      /DataSource pixel_stream",
 715       "    >>",
 716       "  }",
 717       "  ifelse",
 718       "} bind def",
 719       "",
 720       "/NonMaskedImageDict",
 721       "{",
 722       "  class "PS3_PseudoClass" eq",
 723       "  { PseudoClassImageDict }",
 724       "  { DirectClassImageDict }",
 725       "  ifelse",
 726       "} bind def",
 727       "",
 728       "/MaskedImageDict",
 729       "{",
 730       "  <<",
 731       "    /ImageType 3",
 732       "    /InterleaveType 3",
 733       "    /DataDict NonMaskedImageDict",
 734       "    /MaskDict",
 735       "    <<",
 736       "      /ImageType 1",
 737       "      /Width columns",
 738       "      /Height rows",
 739       "      /BitsPerComponent 1",
 740       "      /DataSource mask_stream",
 741       "      /MultipleDataSources false",
 742       "      /ImageMatrix [ columns 0 0 rows neg 0 rows]",
 743       "      /Decode [ 0 1 ]",
 744       "    >>",
 745       "  >>",
 746       "} bind def",
 747       "",
 748       "/ClipImage",
 749       "{} def",
 750       "",
 751       "/DisplayImage",
 752       "{",
 753       "  gsave",
 754       "  /buffer 512 string def",
 755       "  % Translation.",
 756       "  currentfile buffer readline pop",
 757       "  token pop /x exch def",
 758       "  token pop /y exch def pop",
 759       "  x y translate",
 760       "  % Image size and font size.",
 761       "  currentfile buffer readline pop",
 762       "  token pop /x exch def",
 763       "  token pop /y exch def pop",
 764       "  currentfile buffer readline pop",
 765       "  token pop /pointsize exch def pop",
 766       (const char *) NULL
 767     },
 768     *const PostscriptEpilog[]=
 769     {
 770       "  x y scale",
 771       "  % Clipping path.",
 772       "  currentfile buffer readline pop",
 773       "  token pop /clipped exch def pop",
 774       "  % Showpage.",
 775       "  currentfile buffer readline pop",
 776       "  token pop /sp exch def pop",
 777       "  % Image pixel size.",
 778       "  currentfile buffer readline pop",
 779       "  token pop /columns exch def",
 780       "  token pop /rows exch def pop",
 781       "  % Colorspace (RGB/CMYK).",
 782       "  currentfile buffer readline pop",
 783       "  token pop /colorspace exch def pop",
 784       "  % Transparency.",
 785       "  currentfile buffer readline pop",
 786       "  token pop /alpha exch def pop",
 787       "  % Stencil mask?",
 788       "  currentfile buffer readline pop",
 789       "  token pop /stencil exch def pop",
 790       "  % Image class (direct/pseudo).",
 791       "  currentfile buffer readline pop",
 792       "  token pop /class exch def pop",
 793       "  % Compression type.",
 794       "  currentfile buffer readline pop",
 795       "  token pop /compression exch def pop",
 796       "  % Clip and render.",
 797       "  /pixel_stream currentfile columns rows compression ByteStreamDecodeFilter def",
 798       "  clipped { ClipImage } if",
 799       "  alpha stencil not and",
 800       "  { MaskedImageDict mask_stream resetfile }",
 801       "  { NonMaskedImageDict }",
 802       "  ifelse",
 803       "  stencil { 0 setgray imagemask } { image } ifelse",
 804       "  grestore",
 805       "  sp { showpage } if",
 806       "} bind def",
 807       (const char *) NULL
 808     };
 809
 810   char
 811     buffer[MagickPathExtent],
 812     date[MagickPathExtent],
 813     **labels,
 814     page_geometry[MagickPathExtent];
 815
 816   CompressionType
 817     compression;
 818
 819   const char
 820     *option,
 821     *const *q,
 822     *value;
 823
 824   double
 825     pointsize;
 826
 827   GeometryInfo
 828     geometry_info;
 829
 830   MagickBooleanType
 831     status;
 832
 833   MagickOffsetType
 834     offset,
 835     scene,
 836     start,
 837     stop;
 838
 839   MagickStatusType
 840     flags;
 841
 842   MemoryInfo
 843     *pixel_info;
 844
 845   PointInfo
 846     delta,
 847     resolution,
 848     scale;
 849
 850   RectangleInfo
 851     geometry,
 852     media_info,
 853     page_info;
 854
 855   register ssize_t
 856     i;
 857
 858   SegmentInfo
 859     bounds;
 860
 861   size_t
 862     length,
 863     page,
 864     pixel,
 865     text_size;
 866
 867   ssize_t
 868     j;
 869
 870   time_t
 871     timer;
 872
 873   unsigned char
 874     *pixels;
 875
 876   /*
 877     Open output image file.
 878   */
 879   assert(image_info != (const ImageInfo *) NULL);
 880   assert(image_info->signature == MagickCoreSignature);
 881   assert(image != (Image *) NULL);
 882   assert(image->signature == MagickCoreSignature);
 883   if (image->debug != MagickFalse)
 884     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 885   assert(exception != (ExceptionInfo *) NULL);
 886   assert(exception->signature == MagickCoreSignature);
 887   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
 888   if (status == MagickFalse)
 889     return(MagickFalse);
 890   compression=image->compression;
 891   if (image_info->compression != UndefinedCompression)
 892     compression=image_info->compression;
 893   switch (compression)
 894   {
 895     case FaxCompression:
 896     case Group4Compression:
 897     {
 898       if ((SetImageMonochrome(image,exception) == MagickFalse) ||
 899           (image->alpha_trait != UndefinedPixelTrait))
 900         compression=RLECompression;
 901       break;
 902     }
 903 #if !defined(MAGICKCORE_JPEG_DELEGATE)
 904     case JPEGCompression:
 905     {
 906       compression=RLECompression;
 907       (void) ThrowMagickException(exception,GetMagickModule(),
 908         MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
 909         image->filename);
 910       break;
 911     }
 912 #endif
 913 #if !defined(MAGICKCORE_ZLIB_DELEGATE)
 914     case ZipCompression:
 915     {
 916       compression=RLECompression;
 917       (void) ThrowMagickException(exception,GetMagickModule(),
 918         MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (ZLIB)",
 919         image->filename);
 920       break;
 921     }
 922 #endif
 923     default:
 924       break;
 925   }
 926   (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
 927   page=0;
 928   scene=0;
 929   do
 930   {
 931     /*
 932       Scale relative to dots-per-inch.
 933     */
 934     delta.x=DefaultResolution;
 935     delta.y=DefaultResolution;
 936     resolution.x=image->resolution.x;
 937     resolution.y=image->resolution.y;
 938     if ((resolution.x == 0.0) || (resolution.y == 0.0))
 939       {
 940         flags=ParseGeometry(PSDensityGeometry,&geometry_info);
 941         resolution.x=geometry_info.rho;
 942         resolution.y=geometry_info.sigma;
 943         if ((flags & SigmaValue) == 0)
 944           resolution.y=resolution.x;
 945       }
 946     if (image_info->density != (char *) NULL)
 947       {
 948         flags=ParseGeometry(image_info->density,&geometry_info);
 949         resolution.x=geometry_info.rho;
 950         resolution.y=geometry_info.sigma;
 951         if ((flags & SigmaValue) == 0)
 952           resolution.y=resolution.x;
 953       }
 954     if (image->units == PixelsPerCentimeterResolution)
 955       {
 956         resolution.x=(size_t) (100.0*2.54*resolution.x+0.5)/100.0;
 957         resolution.y=(size_t) (100.0*2.54*resolution.y+0.5)/100.0;
 958       }
 959     SetGeometry(image,&geometry);
 960     (void) FormatLocaleString(page_geometry,MagickPathExtent,"%.20gx%.20g",
 961       (double) image->columns,(double) image->rows);
 962     if (image_info->page != (char *) NULL)
 963       (void) CopyMagickString(page_geometry,image_info->page,MagickPathExtent);
 964     else
 965       if ((image->page.width != 0) && (image->page.height != 0))
 966         (void) FormatLocaleString(page_geometry,MagickPathExtent,
 967           "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double)
 968           image->page.height,(double) image->page.x,(double) image->page.y);
 969       else
 970         if ((image->gravity != UndefinedGravity) &&
 971             (LocaleCompare(image_info->magick,"PS") == 0))
 972           (void) CopyMagickString(page_geometry,PSPageGeometry,MagickPathExtent);
 973     (void) ConcatenateMagickString(page_geometry,">",MagickPathExtent);
 974     (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
 975       &geometry.width,&geometry.height);
 976     scale.x=(double) (geometry.width*delta.x)/resolution.x;
 977     geometry.width=(size_t) floor(scale.x+0.5);
 978     scale.y=(double) (geometry.height*delta.y)/resolution.y;
 979     geometry.height=(size_t) floor(scale.y+0.5);
 980     (void) ParseAbsoluteGeometry(page_geometry,&media_info);
 981     (void) ParseGravityGeometry(image,page_geometry,&page_info,exception);
 982     if (image->gravity != UndefinedGravity)
 983       {
 984         geometry.x=(-page_info.x);
 985         geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
 986       }
 987     pointsize=12.0;
 988     if (image_info->pointsize != 0.0)
 989       pointsize=image_info->pointsize;
 990     text_size=0;
 991     value=GetImageProperty(image,"label",exception);
 992     if (value != (const char *) NULL)
 993       text_size=(size_t) (MultilineCensus(value)*pointsize+12);
 994     page++;
 995     if (page == 1)
 996       {
 997         /*
 998           Postscript header on the first page.
 999         */
1000         if (LocaleCompare(image_info->magick,"PS3") == 0)
1001           (void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MagickPathExtent);
1002         else
1003           (void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
1004             MagickPathExtent);
1005         (void) WriteBlobString(image,buffer);
1006         (void) FormatLocaleString(buffer,MagickPathExtent,
1007           "%%%%Creator: ImageMagick %s\n",MagickLibVersionText);
1008         (void) WriteBlobString(image,buffer);
1009         (void) FormatLocaleString(buffer,MagickPathExtent,"%%%%Title: %s\n",
1010           image->filename);
1011         (void) WriteBlobString(image,buffer);
1012         timer=time((time_t *) NULL);
1013         (void) FormatMagickTime(timer,MagickPathExtent,date);
1014         (void) FormatLocaleString(buffer,MagickPathExtent,
1015           "%%%%CreationDate: %s\n",date);
1016         (void) WriteBlobString(image,buffer);
1017         bounds.x1=(double) geometry.x;
1018         bounds.y1=(double) geometry.y;
1019         bounds.x2=(double) geometry.x+scale.x;
1020         bounds.y2=(double) geometry.y+scale.y+text_size;
1021         if ((image_info->adjoin != MagickFalse) &&
1022             (GetNextImageInList(image) != (Image *) NULL))
1023           {
1024             (void) WriteBlobString(image,"%%BoundingBox: (atend)\n");
1025             (void) WriteBlobString(image,"%%HiResBoundingBox: (atend)\n");
1026           }
1027         else
1028           {
1029             (void) FormatLocaleString(buffer,MagickPathExtent,
1030               "%%%%BoundingBox: %g %g %g %g\n",ceil(bounds.x1-0.5),
1031               ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
1032             (void) WriteBlobString(image,buffer);
1033             (void) FormatLocaleString(buffer,MagickPathExtent,
1034               "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,
1035               bounds.y1,bounds.x2,bounds.y2);
1036             (void) WriteBlobString(image,buffer);
1037             if (image->colorspace == CMYKColorspace)
1038               (void) WriteBlobString(image,
1039                 "%%DocumentProcessColors: Cyan Magenta Yellow Black\n");
1040             else
1041               if (SetImageGray(image,exception) != MagickFalse)
1042                 (void) WriteBlobString(image,
1043                   "%%DocumentProcessColors: Black\n");
1044           }
1045         /*
1046           Font resources
1047         */
1048         value=GetImageProperty(image,"label",exception);
1049         if (value != (const char *) NULL)
1050           (void) WriteBlobString(image,
1051             "%%DocumentNeededResources: font Helvetica\n");
1052         (void) WriteBlobString(image,"%%LanguageLevel: 3\n");
1053         /*
1054           Pages, orientation and order.
1055         */
1056         if (LocaleCompare(image_info->magick,"PS3") != 0)
1057           (void) WriteBlobString(image,"%%Pages: 1\n");
1058         else
1059           {
1060             (void) WriteBlobString(image,"%%Orientation: Portrait\n");
1061             (void) WriteBlobString(image,"%%PageOrder: Ascend\n");
1062             if (image_info->adjoin == MagickFalse)
1063               (void) CopyMagickString(buffer,"%%Pages: 1\n",MagickPathExtent);
1064             else
1065               (void) FormatLocaleString(buffer,MagickPathExtent,
1066                 "%%%%Pages: %.20g\n",(double) GetImageListLength(image));
1067             (void) WriteBlobString(image,buffer);
1068           }
1069         if (image->colorspace == CMYKColorspace)
1070           (void) WriteBlobString(image,
1071             "%%DocumentProcessColors: Cyan Magenta Yellow Black\n");
1072         (void) WriteBlobString(image,"%%EndComments\n");
1073         /*
1074           The static postscript procedures prolog.
1075         */
1076         (void)WriteBlobString(image,"%%BeginProlog\n");
1077         for (q=PostscriptProlog; *q; q++)
1078         {
1079           (void) WriteBlobString(image,*q);
1080           (void) WriteBlobByte(image,'\n');
1081         }
1082         /*
1083           One label line for each line in label string.
1084         */
1085         value=GetImageProperty(image,"label",exception);
1086         if (value != (const char *) NULL)
1087           {
1088               (void) WriteBlobString(image,"\n  %% Labels.\n  /Helvetica "
1089               " findfont pointsize scalefont setfont\n");
1090             for (i=(ssize_t) MultilineCensus(value)-1; i >= 0; i--)
1091             {
1092               (void) WriteBlobString(image,
1093                 "  currentfile buffer readline pop token pop\n");
1094               (void) FormatLocaleString(buffer,MagickPathExtent,
1095                 "  0 y %g add moveto show pop\n",i*pointsize+12);
1096               (void) WriteBlobString(image,buffer);
1097             }
1098           }
1099         /*
1100           The static postscript procedures epilog.
1101         */
1102         for (q=PostscriptEpilog; *q; q++)
1103         {
1104           (void) WriteBlobString(image,*q);
1105           (void) WriteBlobByte(image,'\n');
1106         }
1107         (void)WriteBlobString(image,"%%EndProlog\n");
1108       }
1109     (void) FormatLocaleString(buffer,MagickPathExtent,"%%%%Page: 1 %.20g\n",
1110       (double) page);
1111     (void) WriteBlobString(image,buffer);
1112     /*
1113       Page bounding box.
1114     */
1115     (void) FormatLocaleString(buffer,MagickPathExtent,
1116       "%%%%PageBoundingBox: %.20g %.20g %.20g %.20g\n",(double) geometry.x,
1117        (double) geometry.y,geometry.x+(double) geometry.width,geometry.y+
1118        (double) (geometry.height+text_size));
1119     (void) WriteBlobString(image,buffer);
1120     /*
1121       Page process colors if not RGB.
1122     */
1123     if (image->colorspace == CMYKColorspace)
1124       (void) WriteBlobString(image,
1125         "%%PageProcessColors: Cyan Magenta Yellow Black\n");
1126     else
1127       if (SetImageGray(image,exception) != MagickFalse)
1128         (void) WriteBlobString(image,"%%PageProcessColors: Black\n");
1129     /*
1130       Adjust document bounding box to bound page bounding box.
1131     */
1132     if ((double) geometry.x < bounds.x1)
1133       bounds.x1=(double) geometry.x;
1134     if ((double) geometry.y < bounds.y1)
1135       bounds.y1=(double) geometry.y;
1136     if ((double) (geometry.x+scale.x) > bounds.x2)
1137       bounds.x2=(double) geometry.x+scale.x;
1138     if ((double) (geometry.y+scale.y+text_size) > bounds.y2)
1139       bounds.y2=(double) geometry.y+scale.y+text_size;
1140     /*
1141       Page font resource if there's a label.
1142     */
1143     value=GetImageProperty(image,"label",exception);
1144     if (value != (const char *) NULL)
1145       (void) WriteBlobString(image,"%%PageResources: font Helvetica\n");
1146     /*
1147       PS clipping path from Photoshop clipping path.
1148     */
1149     if ((image->read_mask != MagickFalse) ||
1150         (LocaleNCompare("8BIM:",image->magick_filename,5) != 0))
1151       (void) WriteBlobString(image,"/ClipImage {} def\n");
1152     else
1153       {
1154         const char
1155           *value;
1156
1157         value=GetImageProperty(image,image->magick_filename,exception);
1158         if (value == (const char *) NULL)
1159           return(MagickFalse);
1160         (void) WriteBlobString(image,value);
1161         (void) WriteBlobByte(image,'\n');
1162       }
1163     /*
1164       Push a dictionary for our own def's if this an EPS.
1165     */
1166     if (LocaleCompare(image_info->magick,"PS3") != 0)
1167       (void) WriteBlobString(image,"userdict begin\n");
1168     /*
1169       Image mask.
1170     */
1171     if ((image->alpha_trait != UndefinedPixelTrait) &&
1172         (WritePS3MaskImage(image_info,image,compression,exception) == MagickFalse))
1173       {
1174         (void) CloseBlob(image);
1175         return(MagickFalse);
1176       }
1177     /*
1178       Remember position of BeginData comment so we can update it.
1179     */
1180     start=TellBlob(image);
1181     if (start < 0)
1182       ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1183     (void) FormatLocaleString(buffer,MagickPathExtent,
1184       "%%%%BeginData:%13ld %s Bytes\n",0L,
1185       compression == NoCompression ? "ASCII" : "BINARY");
1186     (void) WriteBlobString(image,buffer);
1187     stop=TellBlob(image);
1188     if (stop < 0)
1189       ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1190     (void) WriteBlobString(image,"DisplayImage\n");
1191     /*
1192       Translate, scale, and font point size.
1193     */
1194     (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g %.20g\n%g %g\n%g\n",
1195       (double) geometry.x,(double) geometry.y,scale.x,scale.y,pointsize);
1196     (void) WriteBlobString(image,buffer);
1197     /*
1198       Output labels.
1199     */
1200     labels=(char **) NULL;
1201     value=GetImageProperty(image,"label",exception);
1202     if (value != (const char *) NULL)
1203       labels=StringToList(value);
1204     if (labels != (char **) NULL)
1205       {
1206         for (i=0; labels[i] != (char *) NULL; i++)
1207         {
1208           if (compression != NoCompression)
1209             {
1210               for (j=0; labels[i][j] != '\0'; j++)
1211                 (void) WriteBlobByte(image,(unsigned char) labels[i][j]);
1212               (void) WriteBlobByte(image,'\n');
1213             }
1214           else
1215             {
1216               (void) WriteBlobString(image,"<~");
1217               Ascii85Initialize(image);
1218               for (j=0; labels[i][j] != '\0'; j++)
1219                 Ascii85Encode(image,(unsigned char) labels[i][j]);
1220               Ascii85Flush(image);
1221             }
1222           labels[i]=DestroyString(labels[i]);
1223         }
1224         labels=(char **) RelinquishMagickMemory(labels);
1225       }
1226     /*
1227       Photoshop clipping path active?
1228     */
1229     if ((image->read_mask != MagickFalse) &&
1230         (LocaleNCompare("8BIM:",image->magick_filename,5) == 0))
1231         (void) WriteBlobString(image,"true\n");
1232       else
1233         (void) WriteBlobString(image,"false\n");
1234     /*
1235       Showpage for non-EPS.
1236     */
1237     (void) WriteBlobString(image, LocaleCompare(image_info->magick,"PS3") == 0 ?
1238       "true\n" : "false\n");
1239     /*
1240       Image columns, rows, and color space.
1241     */
1242     (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g %.20g\n%s\n",
1243       (double) image->columns,(double) image->rows,image->colorspace ==
1244       CMYKColorspace ? PS3_CMYKColorspace : PS3_RGBColorspace);
1245     (void) WriteBlobString(image,buffer);
1246     /*
1247       Masked image?
1248     */
1249     (void) WriteBlobString(image,image->alpha_trait != UndefinedPixelTrait ?
1250       "true\n" : "false\n");
1251     /*
1252       Render with imagemask operator?
1253     */
1254     option=GetImageOption(image_info,"ps3:imagemask");
1255     (void) WriteBlobString(image,((option != (const char *) NULL) &&
1256       (SetImageMonochrome(image,exception) != MagickFalse)) ?
1257       "true\n" : "false\n");
1258     /*
1259       Output pixel data.
1260     */
1261     pixels=(unsigned char *) NULL;
1262     length=0;
1263     if ((image_info->type != TrueColorType) &&
1264         (image_info->type != TrueColorAlphaType) &&
1265         (image_info->type != ColorSeparationType) &&
1266         (image_info->type != ColorSeparationAlphaType) &&
1267         (image->colorspace != CMYKColorspace) &&
1268         ((SetImageGray(image,exception) != MagickFalse) ||
1269          (SetImageMonochrome(image,exception) != MagickFalse)))
1270       {
1271         /*
1272           Gray images.
1273         */
1274         (void) WriteBlobString(image,PS3_PseudoClass"\n");
1275         switch (compression)
1276         {
1277           case NoCompression:
1278           default:
1279           {
1280             (void) WriteBlobString(image,PS3_NoCompression"\n");
1281             break;
1282           }
1283           case FaxCompression:
1284           case Group4Compression:
1285           {
1286             (void) WriteBlobString(image,PS3_FaxCompression"\n");
1287             break;
1288           }
1289           case JPEGCompression:
1290           {
1291             (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1292             break;
1293           }
1294           case LZWCompression:
1295           {
1296             (void) WriteBlobString(image,PS3_LZWCompression"\n");
1297             break;
1298           }
1299           case RLECompression:
1300           {
1301             (void) WriteBlobString(image,PS3_RLECompression"\n");
1302             break;
1303           }
1304           case ZipCompression:
1305           {
1306             (void) WriteBlobString(image,PS3_ZipCompression"\n");
1307             break;
1308           }
1309         }
1310         /*
1311           Number of colors -- 0 for single component non-color mapped data.
1312         */
1313         (void) WriteBlobString(image,"0\n");
1314         /*
1315           1 bit or 8 bit components?
1316         */
1317         (void) FormatLocaleString(buffer,MagickPathExtent,"%d\n",
1318           SetImageMonochrome(image,exception) != MagickFalse ? 1 : 8);
1319         (void) WriteBlobString(image,buffer);
1320         /*
1321           Image data.
1322         */
1323         if (compression == JPEGCompression)
1324           status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1325         else
1326           if ((compression == FaxCompression) ||
1327               (compression == Group4Compression))
1328             {
1329               if (LocaleCompare(CCITTParam,"0") == 0)
1330                 status=HuffmanEncodeImage(image_info,image,image,exception);
1331               else
1332                 status=Huffman2DEncodeImage(image_info,image,image,exception);
1333             }
1334           else
1335             {
1336               status=SerializeImageChannel(image_info,image,&pixel_info,&length,
1337                 exception);
1338               if (status == MagickFalse)
1339                 {
1340                   (void) CloseBlob(image);
1341                   return(MagickFalse);
1342                 }
1343               pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
1344               switch (compression)
1345               {
1346                 case NoCompression:
1347                 default:
1348                 {
1349                   Ascii85Initialize(image);
1350                   for (i=0; i < (ssize_t) length; i++)
1351                     Ascii85Encode(image,pixels[i]);
1352                   Ascii85Flush(image);
1353                   status=MagickTrue;
1354                   break;
1355                 }
1356                 case LZWCompression:
1357                 {
1358                   status=LZWEncodeImage(image,length,pixels,exception);
1359                   break;
1360                 }
1361                 case RLECompression:
1362                 {
1363                   status=PackbitsEncodeImage(image,length,pixels,exception);
1364                   break;
1365                 }
1366                 case ZipCompression:
1367                 {
1368                   status=ZLIBEncodeImage(image,length,pixels,exception);
1369                   break;
1370                 }
1371               }
1372               pixel_info=RelinquishVirtualMemory(pixel_info);
1373             }
1374       }
1375     else
1376       if ((image->storage_class == DirectClass) || (image->colors > 256) ||
1377           (compression == JPEGCompression))
1378         {
1379           /*
1380             Truecolor image.
1381           */
1382           (void) WriteBlobString(image,PS3_DirectClass"\n");
1383           switch (compression)
1384           {
1385             case NoCompression:
1386             default:
1387             {
1388               (void) WriteBlobString(image,PS3_NoCompression"\n");
1389               break;
1390             }
1391             case RLECompression:
1392             {
1393               (void) WriteBlobString(image,PS3_RLECompression"\n");
1394               break;
1395             }
1396             case JPEGCompression:
1397             {
1398               (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1399               break;
1400             }
1401             case LZWCompression:
1402             {
1403               (void) WriteBlobString(image,PS3_LZWCompression"\n");
1404               break;
1405             }
1406             case ZipCompression:
1407             {
1408               (void) WriteBlobString(image,PS3_ZipCompression"\n");
1409               break;
1410             }
1411           }
1412           /*
1413             Image data.
1414           */
1415           if (compression == JPEGCompression)
1416             status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1417           else
1418             {
1419               /*
1420                 Stream based compressions.
1421               */
1422               status=SerializeImage(image_info,image,&pixel_info,&length,
1423                 exception);
1424               if (status == MagickFalse)
1425                 {
1426                   (void) CloseBlob(image);
1427                   return(MagickFalse);
1428                 }
1429               pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
1430               switch (compression)
1431               {
1432                 case NoCompression:
1433                 default:
1434                 {
1435                   Ascii85Initialize(image);
1436                   for (i=0; i < (ssize_t) length; i++)
1437                     Ascii85Encode(image,pixels[i]);
1438                   Ascii85Flush(image);
1439                   status=MagickTrue;
1440                   break;
1441                 }
1442                 case RLECompression:
1443                 {
1444                   status=PackbitsEncodeImage(image,length,pixels,exception);
1445                   break;
1446                 }
1447                 case LZWCompression:
1448                 {
1449                   status=LZWEncodeImage(image,length,pixels,exception);
1450                   break;
1451                 }
1452                 case ZipCompression:
1453                 {
1454                   status=ZLIBEncodeImage(image,length,pixels,exception);
1455                   break;
1456                 }
1457               }
1458               pixel_info=RelinquishVirtualMemory(pixel_info);
1459             }
1460           }
1461         else
1462           {
1463             /*
1464               Colormapped images.
1465             */
1466             (void) WriteBlobString(image,PS3_PseudoClass"\n");
1467             switch (compression)
1468             {
1469               case NoCompression:
1470               default:
1471               {
1472                 (void) WriteBlobString(image,PS3_NoCompression"\n");
1473                 break;
1474               }
1475               case RLECompression:
1476               {
1477                 (void) WriteBlobString(image,PS3_RLECompression"\n");
1478                 break;
1479               }
1480               case LZWCompression:
1481               {
1482                 (void) WriteBlobString(image,PS3_LZWCompression"\n");
1483                 break;
1484               }
1485               case ZipCompression:
1486               {
1487                 (void) WriteBlobString(image,PS3_ZipCompression"\n");
1488                 break;
1489               }
1490             }
1491             /*
1492               Number of colors in color map.
1493             */
1494             (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g\n",
1495               (double) image->colors);
1496             (void) WriteBlobString(image,buffer);
1497             /*
1498               Color map - uncompressed.
1499             */
1500             if ((compression != NoCompression) &&
1501                 (compression != UndefinedCompression))
1502               {
1503                 for (i=0; i < (ssize_t) image->colors; i++)
1504                 {
1505                   pixel=ScaleQuantumToChar(image->colormap[i].red);
1506                   (void) WriteBlobByte(image,(unsigned char) pixel);
1507                   pixel=ScaleQuantumToChar(image->colormap[i].green);
1508                   (void) WriteBlobByte(image,(unsigned char) pixel);
1509                   pixel=ScaleQuantumToChar(image->colormap[i].blue);
1510                   (void) WriteBlobByte(image,(unsigned char) pixel);
1511                 }
1512               }
1513             else
1514               {
1515                 Ascii85Initialize(image);
1516                 for (i=0; i < (ssize_t) image->colors; i++)
1517                 {
1518                   pixel=ScaleQuantumToChar(image->colormap[i].red);
1519                   Ascii85Encode(image,(unsigned char) pixel);
1520                   pixel=ScaleQuantumToChar(image->colormap[i].green);
1521                   Ascii85Encode(image,(unsigned char) pixel);
1522                   pixel=ScaleQuantumToChar(image->colormap[i].blue);
1523                   Ascii85Encode(image,(unsigned char) pixel);
1524                 }
1525                 Ascii85Flush(image);
1526               }
1527             status=SerializeImageIndexes(image_info,image,&pixel_info,&length,
1528               exception);
1529             if (status == MagickFalse)
1530               {
1531                 (void) CloseBlob(image);
1532                 return(MagickFalse);
1533               }
1534             pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
1535             switch (compression)
1536             {
1537               case NoCompression:
1538               default:
1539               {
1540                 Ascii85Initialize(image);
1541                 for (i=0; i < (ssize_t) length; i++)
1542                   Ascii85Encode(image,pixels[i]);
1543                 Ascii85Flush(image);
1544                 status=MagickTrue;
1545                 break;
1546               }
1547               case RLECompression:
1548               {
1549                 status=PackbitsEncodeImage(image,length,pixels,exception);
1550                 break;
1551               }
1552               case LZWCompression:
1553               {
1554                 status=LZWEncodeImage(image,length,pixels,exception);
1555                 break;
1556               }
1557               case ZipCompression:
1558               {
1559                 status=ZLIBEncodeImage(image,length,pixels,exception);
1560                 break;
1561               }
1562             }
1563             pixel_info=RelinquishVirtualMemory(pixel_info);
1564           }
1565     (void) WriteBlobByte(image,'\n');
1566     if (status == MagickFalse)
1567       {
1568         (void) CloseBlob(image);
1569         return(MagickFalse);
1570       }
1571     /*
1572       Update BeginData now that we know the data size.
1573     */
1574     length=(size_t) (TellBlob(image)-stop);
1575     stop=TellBlob(image);
1576     if (stop < 0)
1577       ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1578     offset=SeekBlob(image,start,SEEK_SET);
1579     if (offset < 0)
1580       ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1581     (void) FormatLocaleString(buffer,MagickPathExtent,
1582       "%%%%BeginData:%13ld %s Bytes\n",(long) length,
1583       compression == NoCompression ? "ASCII" : "BINARY");
1584     (void) WriteBlobString(image,buffer);
1585     offset=SeekBlob(image,stop,SEEK_SET);
1586     (void) WriteBlobString(image,"%%EndData\n");
1587     /*
1588       End private dictionary if this an EPS.
1589     */
1590     if (LocaleCompare(image_info->magick,"PS3") != 0)
1591       (void) WriteBlobString(image,"end\n");
1592     (void) WriteBlobString(image,"%%PageTrailer\n");
1593     if (GetNextImageInList(image) == (Image *) NULL)
1594       break;
1595     image=SyncNextImageInList(image);
1596     status=SetImageProgress(image,SaveImagesTag,scene++,
1597       GetImageListLength(image));
1598     if (status == MagickFalse)
1599       break;
1600   } while (image_info->adjoin != MagickFalse);
1601   (void) WriteBlobString(image,"%%Trailer\n");
1602   if (page > 1)
1603     {
1604       (void) FormatLocaleString(buffer,MagickPathExtent,
1605         "%%%%BoundingBox: %g %g %g %g\n",ceil(bounds.x1-0.5),
1606         ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
1607       (void) WriteBlobString(image,buffer);
1608       (void) FormatLocaleString(buffer,MagickPathExtent,
1609         "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,bounds.x2,
1610         bounds.y2);
1611       (void) WriteBlobString(image,buffer);
1612     }
1613   (void) WriteBlobString(image,"%%EOF\n");
1614   (void) CloseBlob(image);
1615   return(MagickTrue);
1616 }