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 1999-2019 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 % https://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
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
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
99 /*
100 Forward declarations.
101 */
102 static MagickBooleanType
103 WritePS3Image(const ImageInfo *,Image *,ExceptionInfo *);
104
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 */
RegisterPS3Image(void)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|=CoderEncoderSeekableStreamFlag;
136 entry->flags^=CoderBlobSupportFlag;
137 (void) RegisterMagickInfo(entry);
138 entry=AcquireMagickInfo("PS3","PS3","Level III PostScript");
139 entry->encoder=(EncodeImageHandler *) WritePS3Image;
140 entry->mime_type=ConstantString("application/postscript");
141 entry->flags|=CoderEncoderSeekableStreamFlag;
142 entry->flags^=CoderBlobSupportFlag;
143 (void) RegisterMagickInfo(entry);
144 return(MagickImageCoderSignature);
145 }
146
147 /*
148 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
149 % %
150 % %
151 % %
152 % U n r e g i s t e r P S 3 I m a g e %
153 % %
154 % %
155 % %
156 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
157 %
158 % UnregisterPS3Image() removes format registrations made by the PS3 module
159 % from the list of supported formats.
160 %
161 % The format of the UnregisterPS3Image method is:
162 %
163 % UnregisterPS3Image(void)
164 %
165 */
UnregisterPS3Image(void)166 ModuleExport void UnregisterPS3Image(void)
167 {
168 (void) UnregisterMagickInfo("EPS3");
169 (void) UnregisterMagickInfo("PS3");
170 }
171
172 /*
173 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
174 % %
175 % %
176 % %
177 % W r i t e P S 3 I m a g e %
178 % %
179 % %
180 % %
181 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
182 %
183 % WritePS3Image() translates an image to encapsulated Postscript Level III
184 % for printing. If the supplied geometry is null, the image is centered on
185 % the Postscript page. Otherwise, the image is positioned as specified by the
186 % geometry.
187 %
188 % The format of the WritePS3Image method is:
189 %
190 % MagickBooleanType WritePS3Image(const ImageInfo *image_info,
191 % Image *image,ExceptionInfo *exception)
192 %
193 % A description of each parameter follows:
194 %
195 % o image_info: Specifies a pointer to a ImageInfo structure.
196 %
197 % o image: the image.
198 %
199 % o exception: return any errors or warnings in this structure.
200 %
201 */
202
Huffman2DEncodeImage(const ImageInfo * image_info,Image * image,Image * inject_image,ExceptionInfo * exception)203 static MagickBooleanType Huffman2DEncodeImage(const ImageInfo *image_info,
204 Image *image,Image *inject_image,ExceptionInfo *exception)
205 {
206 Image
207 *group4_image;
208
209 ImageInfo
210 *write_info;
211
212 MagickBooleanType
213 status;
214
215 size_t
216 length;
217
218 unsigned char
219 *group4;
220
221 status=MagickTrue;
222 write_info=CloneImageInfo(image_info);
223 (void) CopyMagickString(write_info->filename,"GROUP4:",MagickPathExtent);
224 (void) CopyMagickString(write_info->magick,"GROUP4",MagickPathExtent);
225 group4_image=CloneImage(inject_image,0,0,MagickTrue,exception);
226 if (group4_image == (Image *) NULL)
227 return(MagickFalse);
228 group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
229 exception);
230 group4_image=DestroyImage(group4_image);
231 if (group4 == (unsigned char *) NULL)
232 return(MagickFalse);
233 write_info=DestroyImageInfo(write_info);
234 if (WriteBlob(image,length,group4) != (ssize_t) length)
235 status=MagickFalse;
236 group4=(unsigned char *) RelinquishMagickMemory(group4);
237 return(status);
238 }
239
SerializeImage(const ImageInfo * image_info,Image * image,MemoryInfo ** pixel_info,size_t * length,ExceptionInfo * exception)240 static MagickBooleanType SerializeImage(const ImageInfo *image_info,
241 Image *image,MemoryInfo **pixel_info,size_t *length,ExceptionInfo *exception)
242 {
243 MagickBooleanType
244 status;
245
246 register const Quantum
247 *p;
248
249 register ssize_t
250 x;
251
252 register unsigned char
253 *q;
254
255 ssize_t
256 y;
257
258 assert(image != (Image *) NULL);
259 assert(image->signature == MagickCoreSignature);
260 if (image->debug != MagickFalse)
261 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
262 status=MagickTrue;
263 *length=(image->colorspace == CMYKColorspace ? 4 : 3)*(size_t)
264 image->columns*image->rows;
265 *pixel_info=AcquireVirtualMemory(*length,sizeof(*q));
266 if (*pixel_info == (MemoryInfo *) NULL)
267 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
268 q=(unsigned char *) GetVirtualMemoryBlob(*pixel_info);
269 for (y=0; y < (ssize_t) image->rows; y++)
270 {
271 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
272 if (p == (const Quantum *) NULL)
273 break;
274 if (image->colorspace != CMYKColorspace)
275 for (x=0; x < (ssize_t) image->columns; x++)
276 {
277 *q++=ScaleQuantumToChar(GetPixelRed(image,p));
278 *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
279 *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
280 p+=GetPixelChannels(image);
281 }
282 else
283 for (x=0; x < (ssize_t) image->columns; x++)
284 {
285 *q++=ScaleQuantumToChar(GetPixelRed(image,p));
286 *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
287 *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
288 *q++=ScaleQuantumToChar(GetPixelBlack(image,p));
289 p+=GetPixelChannels(image);
290 }
291 if (image->previous == (Image *) NULL)
292 {
293 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
294 image->rows);
295 if (status == MagickFalse)
296 break;
297 }
298 }
299 if (status == MagickFalse)
300 *pixel_info=RelinquishVirtualMemory(*pixel_info);
301 return(status);
302 }
303
SerializeImageChannel(const ImageInfo * image_info,Image * image,MemoryInfo ** pixel_info,size_t * length,ExceptionInfo * exception)304 static MagickBooleanType SerializeImageChannel(const ImageInfo *image_info,
305 Image *image,MemoryInfo **pixel_info,size_t *length,ExceptionInfo *exception)
306 {
307 MagickBooleanType
308 status;
309
310 register const Quantum
311 *p;
312
313 register ssize_t
314 x;
315
316 register unsigned char
317 *q;
318
319 size_t
320 pack,
321 padded_columns;
322
323 ssize_t
324 y;
325
326 unsigned char
327 code,
328 bit;
329
330 assert(image != (Image *) NULL);
331 assert(image->signature == MagickCoreSignature);
332 if (image->debug != MagickFalse)
333 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
334 status=MagickTrue;
335 pack=SetImageMonochrome(image,exception) == MagickFalse ? 1UL : 8UL;
336 padded_columns=((image->columns+pack-1)/pack)*pack;
337 *length=(size_t) padded_columns*image->rows/pack;
338 *pixel_info=AcquireVirtualMemory(*length,sizeof(*q));
339 if (*pixel_info == (MemoryInfo *) NULL)
340 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
341 q=(unsigned char *) GetVirtualMemoryBlob(*pixel_info);
342 for (y=0; y < (ssize_t) image->rows; y++)
343 {
344 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
345 if (p == (const Quantum *) NULL)
346 break;
347 if (pack == 1)
348 for (x=0; x < (ssize_t) image->columns; x++)
349 {
350 *q++=ScaleQuantumToChar(ClampToQuantum(GetPixelLuma(image,p)));
351 p+=GetPixelChannels(image);
352 }
353 else
354 {
355 code='\0';
356 for (x=0; x < (ssize_t) padded_columns; x++)
357 {
358 bit=(unsigned char) 0x00;
359 if (x < (ssize_t) image->columns)
360 bit=(unsigned char) (GetPixelLuma(image,p) == TransparentAlpha ?
361 0x01 : 0x00);
362 code=(code << 1)+bit;
363 if (((x+1) % pack) == 0)
364 {
365 *q++=code;
366 code='\0';
367 }
368 p+=GetPixelChannels(image);
369 }
370 }
371 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
372 image->rows);
373 if (status == MagickFalse)
374 break;
375 }
376 if (status == MagickFalse)
377 *pixel_info=RelinquishVirtualMemory(*pixel_info);
378 return(status);
379 }
380
SerializeImageIndexes(const ImageInfo * image_info,Image * image,MemoryInfo ** pixel_info,size_t * length,ExceptionInfo * exception)381 static MagickBooleanType SerializeImageIndexes(const ImageInfo *image_info,
382 Image *image,MemoryInfo **pixel_info,size_t *length,ExceptionInfo *exception)
383 {
384 MagickBooleanType
385 status;
386
387 register const Quantum
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 == MagickCoreSignature);
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 *pixel_info=AcquireVirtualMemory(*length,sizeof(*q));
406 if (*pixel_info == (MemoryInfo *) NULL)
407 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
408 q=(unsigned char *) GetVirtualMemoryBlob(*pixel_info);
409 for (y=0; y < (ssize_t) image->rows; y++)
410 {
411 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
412 if (p == (const Quantum *) NULL)
413 break;
414 for (x=0; x < (ssize_t) image->columns; x++)
415 {
416 *q++=(unsigned char) GetPixelIndex(image,p);
417 p+=GetPixelChannels(image);
418 }
419 if (image->previous == (Image *) NULL)
420 {
421 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
422 image->rows);
423 if (status == MagickFalse)
424 break;
425 }
426 }
427 if (status == MagickFalse)
428 *pixel_info=RelinquishVirtualMemory(*pixel_info);
429 return(status);
430 }
431
WritePS3MaskImage(const ImageInfo * image_info,Image * image,const CompressionType compression,ExceptionInfo * exception)432 static MagickBooleanType WritePS3MaskImage(const ImageInfo *image_info,
433 Image *image,const CompressionType compression,ExceptionInfo *exception)
434 {
435 char
436 buffer[MagickPathExtent];
437
438 Image
439 *mask_image;
440
441 MagickBooleanType
442 status;
443
444 MagickOffsetType
445 offset,
446 start,
447 stop;
448
449 MemoryInfo
450 *pixel_info;
451
452 register ssize_t
453 i;
454
455 size_t
456 length;
457
458 unsigned char
459 *pixels;
460
461 assert(image_info != (ImageInfo *) NULL);
462 assert(image_info->signature == MagickCoreSignature);
463 assert(image != (Image *) NULL);
464 assert(image->signature == MagickCoreSignature);
465 if (image->debug != MagickFalse)
466 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
467 assert(image->alpha_trait != UndefinedPixelTrait);
468 status=MagickTrue;
469 /*
470 Note BeginData DSC comment for update later.
471 */
472 start=TellBlob(image);
473 if (start < 0)
474 ThrowWriterException(CorruptImageError,"ImproperImageHeader");
475 (void) FormatLocaleString(buffer,MagickPathExtent,
476 "%%%%BeginData:%13ld %s Bytes\n",0L,compression == NoCompression ?
477 "ASCII" : "BINARY");
478 (void) WriteBlobString(image,buffer);
479 stop=TellBlob(image);
480 if (stop < 0)
481 ThrowWriterException(CorruptImageError,"ImproperImageHeader");
482 /*
483 Only lossless compressions for the mask.
484 */
485 switch (compression)
486 {
487 case NoCompression:
488 default:
489 {
490 (void) FormatLocaleString(buffer,MagickPathExtent,
491 "currentfile %.20g %.20g " PS3_NoCompression
492 " ByteStreamDecodeFilter\n",(double) image->columns,(double)
493 image->rows);
494 break;
495 }
496 case FaxCompression:
497 case Group4Compression:
498 {
499 (void) FormatLocaleString(buffer,MagickPathExtent,
500 "currentfile %.20g %.20g " PS3_FaxCompression
501 " ByteStreamDecodeFilter\n",(double) image->columns,(double)
502 image->rows);
503 break;
504 }
505 case LZWCompression:
506 {
507 (void) FormatLocaleString(buffer,MagickPathExtent,
508 "currentfile %.20g %.20g " PS3_LZWCompression
509 " ByteStreamDecodeFilter\n",(double) image->columns,(double)
510 image->rows);
511 break;
512 }
513 case RLECompression:
514 {
515 (void) FormatLocaleString(buffer,MagickPathExtent,
516 "currentfile %.20g %.20g " PS3_RLECompression
517 " ByteStreamDecodeFilter\n",(double) image->columns,(double)
518 image->rows);
519 break;
520 }
521 case ZipCompression:
522 {
523 (void) FormatLocaleString(buffer,MagickPathExtent,
524 "currentfile %.20g %.20g " PS3_ZipCompression
525 " ByteStreamDecodeFilter\n",(double) image->columns,(double)
526 image->rows);
527 break;
528 }
529 }
530 (void) WriteBlobString(image,buffer);
531 (void) WriteBlobString(image,"/ReusableStreamDecode filter\n");
532 mask_image=SeparateImage(image,AlphaChannel,exception);
533 if (mask_image == (Image *) NULL)
534 ThrowWriterException(CoderError,exception->reason);
535 (void) SetImageType(mask_image,BilevelType,exception);
536 (void) SetImageType(mask_image,PaletteType,exception);
537 mask_image->alpha_trait=UndefinedPixelTrait;
538 pixels=(unsigned char *) NULL;
539 length=0;
540 switch (compression)
541 {
542 case NoCompression:
543 default:
544 {
545 status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length,
546 exception);
547 if (status == MagickFalse)
548 break;
549 Ascii85Initialize(image);
550 pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
551 for (i=0; i < (ssize_t) length; i++)
552 Ascii85Encode(image,pixels[i]);
553 Ascii85Flush(image);
554 pixel_info=RelinquishVirtualMemory(pixel_info);
555 break;
556 }
557 case FaxCompression:
558 case Group4Compression:
559 {
560 if ((compression == FaxCompression) ||
561 (LocaleCompare(CCITTParam,"0") == 0))
562 status=HuffmanEncodeImage(image_info,image,mask_image,exception);
563 else
564 status=Huffman2DEncodeImage(image_info,image,mask_image,exception);
565 break;
566 }
567 case LZWCompression:
568 {
569 status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length,
570 exception);
571 if (status == MagickFalse)
572 break;
573 pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
574 status=LZWEncodeImage(image,length,pixels,exception);
575 pixel_info=RelinquishVirtualMemory(pixel_info);
576 break;
577 }
578 case RLECompression:
579 {
580 status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length,
581 exception);
582 if (status == MagickFalse)
583 break;
584 pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
585 status=PackbitsEncodeImage(image,length,pixels,exception);
586 pixel_info=RelinquishVirtualMemory(pixel_info);
587 break;
588 }
589 case ZipCompression:
590 {
591 status=SerializeImageChannel(image_info,mask_image,&pixel_info,&length,
592 exception);
593 if (status == MagickFalse)
594 break;
595 pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
596 status=ZLIBEncodeImage(image,length,pixels,exception);
597 pixel_info=RelinquishVirtualMemory(pixel_info);
598 break;
599 }
600 }
601 mask_image=DestroyImage(mask_image);
602 (void) WriteBlobByte(image,'\n');
603 length=(size_t) (TellBlob(image)-stop);
604 stop=TellBlob(image);
605 if (stop < 0)
606 ThrowWriterException(CorruptImageError,"ImproperImageHeader");
607 offset=SeekBlob(image,start,SEEK_SET);
608 if (offset < 0)
609 ThrowWriterException(CorruptImageError,"ImproperImageHeader");
610 (void) FormatLocaleString(buffer,MagickPathExtent,
611 "%%%%BeginData:%13ld %s Bytes\n",(long) length,
612 compression == NoCompression ? "ASCII" : "BINARY");
613 (void) WriteBlobString(image,buffer);
614 offset=SeekBlob(image,stop,SEEK_SET);
615 if (offset < 0)
616 ThrowWriterException(CorruptImageError,"ImproperImageHeader");
617 (void) WriteBlobString(image,"%%EndData\n");
618 (void) WriteBlobString(image, "/mask_stream exch def\n");
619 return(status);
620 }
621
WritePS3Image(const ImageInfo * image_info,Image * image,ExceptionInfo * exception)622 static MagickBooleanType WritePS3Image(const ImageInfo *image_info,Image *image,
623 ExceptionInfo *exception)
624 {
625 static const char
626 *const PostscriptProlog[]=
627 {
628 "/ByteStreamDecodeFilter",
629 "{",
630 " /z exch def",
631 " /r exch def",
632 " /c exch def",
633 " z " PS3_NoCompression " eq { /ASCII85Decode filter } if",
634 " z " PS3_FaxCompression " eq",
635 " {",
636 " <<",
637 " /K " CCITTParam,
638 " /Columns c",
639 " /Rows r",
640 " >>",
641 " /CCITTFaxDecode filter",
642 " } if",
643 " z " PS3_JPEGCompression " eq { /DCTDecode filter } if",
644 " z " PS3_LZWCompression " eq { /LZWDecode filter } if",
645 " z " PS3_RLECompression " eq { /RunLengthDecode filter } if",
646 " z " PS3_ZipCompression " eq { /FlateDecode filter } if",
647 "} bind def",
648 "",
649 "/DirectClassImageDict",
650 "{",
651 " colorspace " PS3_RGBColorspace " eq",
652 " {",
653 " /DeviceRGB setcolorspace",
654 " <<",
655 " /ImageType 1",
656 " /Width columns",
657 " /Height rows",
658 " /BitsPerComponent 8",
659 " /DataSource pixel_stream",
660 " /MultipleDataSources false",
661 " /ImageMatrix [columns 0 0 rows neg 0 rows]",
662 " /Decode [0 1 0 1 0 1]",
663 " >>",
664 " }",
665 " {",
666 " /DeviceCMYK setcolorspace",
667 " <<",
668 " /ImageType 1",
669 " /Width columns",
670 " /Height rows",
671 " /BitsPerComponent 8",
672 " /DataSource pixel_stream",
673 " /MultipleDataSources false",
674 " /ImageMatrix [columns 0 0 rows neg 0 rows]",
675 " /Decode",
676 " compression " PS3_JPEGCompression " eq",
677 " { [1 0 1 0 1 0 1 0] }",
678 " { [0 1 0 1 0 1 0 1] }",
679 " ifelse",
680 " >>",
681 " }",
682 " ifelse",
683 "} bind def",
684 "",
685 "/PseudoClassImageDict",
686 "{",
687 " % Colors in colormap image.",
688 " currentfile buffer readline pop",
689 " token pop /colors exch def pop",
690 " colors 0 eq",
691 " {",
692 " % Depth of grayscale image.",
693 " currentfile buffer readline pop",
694 " token pop /bits exch def pop",
695 " /DeviceGray setcolorspace",
696 " <<",
697 " /ImageType 1",
698 " /Width columns",
699 " /Height rows",
700 " /BitsPerComponent bits",
701 " /Decode [0 1]",
702 " /ImageMatrix [columns 0 0 rows neg 0 rows]",
703 " /DataSource pixel_stream",
704 " >>",
705 " }",
706 " {",
707 " % RGB colormap.",
708 " /colormap colors 3 mul string def",
709 " compression " PS3_NoCompression " eq",
710 " { currentfile /ASCII85Decode filter colormap readstring pop pop }",
711 " { currentfile colormap readstring pop pop }",
712 " ifelse",
713 " [ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace",
714 " <<",
715 " /ImageType 1",
716 " /Width columns",
717 " /Height rows",
718 " /BitsPerComponent 8",
719 " /Decode [0 255]",
720 " /ImageMatrix [columns 0 0 rows neg 0 rows]",
721 " /DataSource pixel_stream",
722 " >>",
723 " }",
724 " ifelse",
725 "} bind def",
726 "",
727 "/NonMaskedImageDict",
728 "{",
729 " class " PS3_PseudoClass " eq",
730 " { PseudoClassImageDict }",
731 " { DirectClassImageDict }",
732 " ifelse",
733 "} bind def",
734 "",
735 "/MaskedImageDict",
736 "{",
737 " <<",
738 " /ImageType 3",
739 " /InterleaveType 3",
740 " /DataDict NonMaskedImageDict",
741 " /MaskDict",
742 " <<",
743 " /ImageType 1",
744 " /Width columns",
745 " /Height rows",
746 " /BitsPerComponent 1",
747 " /DataSource mask_stream",
748 " /MultipleDataSources false",
749 " /ImageMatrix [ columns 0 0 rows neg 0 rows]",
750 " /Decode [ 0 1 ]",
751 " >>",
752 " >>",
753 "} bind def",
754 "",
755 "/ClipImage",
756 "{} def",
757 "",
758 "/DisplayImage",
759 "{",
760 " gsave",
761 " /buffer 512 string def",
762 " % Translation.",
763 " currentfile buffer readline pop",
764 " token pop /x exch def",
765 " token pop /y exch def pop",
766 " x y translate",
767 " % Image size and font size.",
768 " currentfile buffer readline pop",
769 " token pop /x exch def",
770 " token pop /y exch def pop",
771 " currentfile buffer readline pop",
772 " token pop /pointsize exch def pop",
773 (const char *) NULL
774 },
775 *const PostscriptEpilog[]=
776 {
777 " x y scale",
778 " % Clipping path.",
779 " currentfile buffer readline pop",
780 " token pop /clipped exch def pop",
781 " % Showpage.",
782 " currentfile buffer readline pop",
783 " token pop /sp exch def pop",
784 " % Image pixel size.",
785 " currentfile buffer readline pop",
786 " token pop /columns exch def",
787 " token pop /rows exch def pop",
788 " % Colorspace (RGB/CMYK).",
789 " currentfile buffer readline pop",
790 " token pop /colorspace exch def pop",
791 " % Transparency.",
792 " currentfile buffer readline pop",
793 " token pop /alpha exch def pop",
794 " % Stencil mask?",
795 " currentfile buffer readline pop",
796 " token pop /stencil exch def pop",
797 " % Image class (direct/pseudo).",
798 " currentfile buffer readline pop",
799 " token pop /class exch def pop",
800 " % Compression type.",
801 " currentfile buffer readline pop",
802 " token pop /compression exch def pop",
803 " % Clip and render.",
804 " /pixel_stream currentfile columns rows compression ByteStreamDecodeFilter def",
805 " clipped { ClipImage } if",
806 " alpha stencil not and",
807 " { MaskedImageDict mask_stream resetfile }",
808 " { NonMaskedImageDict }",
809 " ifelse",
810 " stencil { 0 setgray imagemask } { image } ifelse",
811 " grestore",
812 " sp { showpage } if",
813 "} bind def",
814 (const char *) NULL
815 };
816
817 char
818 buffer[MagickPathExtent],
819 date[MagickPathExtent],
820 **labels,
821 page_geometry[MagickPathExtent];
822
823 CompressionType
824 compression;
825
826 const char
827 *option,
828 *const *q,
829 *value;
830
831 double
832 pointsize;
833
834 GeometryInfo
835 geometry_info;
836
837 MagickBooleanType
838 status;
839
840 MagickOffsetType
841 offset,
842 scene,
843 start,
844 stop;
845
846 MagickStatusType
847 flags;
848
849 MemoryInfo
850 *pixel_info;
851
852 PointInfo
853 delta,
854 resolution,
855 scale;
856
857 RectangleInfo
858 geometry,
859 media_info,
860 page_info;
861
862 register ssize_t
863 i;
864
865 SegmentInfo
866 bounds;
867
868 size_t
869 imageListLength,
870 length,
871 page,
872 pixel,
873 text_size;
874
875 ssize_t
876 j;
877
878 time_t
879 timer;
880
881 unsigned char
882 *pixels;
883
884 /*
885 Open output image file.
886 */
887 assert(image_info != (const ImageInfo *) NULL);
888 assert(image_info->signature == MagickCoreSignature);
889 assert(image != (Image *) NULL);
890 assert(image->signature == MagickCoreSignature);
891 if (image->debug != MagickFalse)
892 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
893 assert(exception != (ExceptionInfo *) NULL);
894 assert(exception->signature == MagickCoreSignature);
895 status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
896 if (status == MagickFalse)
897 return(MagickFalse);
898 compression=image->compression;
899 if (image_info->compression != UndefinedCompression)
900 compression=image_info->compression;
901 switch (compression)
902 {
903 case FaxCompression:
904 case Group4Compression:
905 {
906 if ((SetImageMonochrome(image,exception) == MagickFalse) ||
907 (image->alpha_trait != UndefinedPixelTrait))
908 compression=RLECompression;
909 break;
910 }
911 #if !defined(MAGICKCORE_JPEG_DELEGATE)
912 case JPEGCompression:
913 {
914 compression=RLECompression;
915 (void) ThrowMagickException(exception,GetMagickModule(),
916 MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
917 image->filename);
918 break;
919 }
920 #endif
921 #if !defined(MAGICKCORE_ZLIB_DELEGATE)
922 case ZipCompression:
923 {
924 compression=RLECompression;
925 (void) ThrowMagickException(exception,GetMagickModule(),
926 MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (ZLIB)",
927 image->filename);
928 break;
929 }
930 #endif
931 default:
932 break;
933 }
934 (void) memset(&bounds,0,sizeof(bounds));
935 page=0;
936 scene=0;
937 imageListLength=GetImageListLength(image);
938 do
939 {
940 /*
941 Scale relative to dots-per-inch.
942 */
943 delta.x=DefaultResolution;
944 delta.y=DefaultResolution;
945 resolution.x=image->resolution.x;
946 resolution.y=image->resolution.y;
947 if ((resolution.x == 0.0) || (resolution.y == 0.0))
948 {
949 flags=ParseGeometry(PSDensityGeometry,&geometry_info);
950 resolution.x=geometry_info.rho;
951 resolution.y=geometry_info.sigma;
952 if ((flags & SigmaValue) == 0)
953 resolution.y=resolution.x;
954 }
955 if (image_info->density != (char *) NULL)
956 {
957 flags=ParseGeometry(image_info->density,&geometry_info);
958 resolution.x=geometry_info.rho;
959 resolution.y=geometry_info.sigma;
960 if ((flags & SigmaValue) == 0)
961 resolution.y=resolution.x;
962 }
963 if (image->units == PixelsPerCentimeterResolution)
964 {
965 resolution.x=(size_t) ((100.0*2.54*resolution.x+0.5)/100.0);
966 resolution.y=(size_t) ((100.0*2.54*resolution.y+0.5)/100.0);
967 }
968 SetGeometry(image,&geometry);
969 (void) FormatLocaleString(page_geometry,MagickPathExtent,"%.20gx%.20g",
970 (double) image->columns,(double) image->rows);
971 if (image_info->page != (char *) NULL)
972 (void) CopyMagickString(page_geometry,image_info->page,MagickPathExtent);
973 else
974 if ((image->page.width != 0) && (image->page.height != 0))
975 (void) FormatLocaleString(page_geometry,MagickPathExtent,
976 "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double)
977 image->page.height,(double) image->page.x,(double) image->page.y);
978 else
979 if ((image->gravity != UndefinedGravity) &&
980 (LocaleCompare(image_info->magick,"PS") == 0))
981 (void) CopyMagickString(page_geometry,PSPageGeometry,MagickPathExtent);
982 (void) ConcatenateMagickString(page_geometry,">",MagickPathExtent);
983 (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
984 &geometry.width,&geometry.height);
985 scale.x=(double) (geometry.width*delta.x)/resolution.x;
986 geometry.width=(size_t) floor(scale.x+0.5);
987 scale.y=(double) (geometry.height*delta.y)/resolution.y;
988 geometry.height=(size_t) floor(scale.y+0.5);
989 (void) ParseAbsoluteGeometry(page_geometry,&media_info);
990 (void) ParseGravityGeometry(image,page_geometry,&page_info,exception);
991 if (image->gravity != UndefinedGravity)
992 {
993 geometry.x=(-page_info.x);
994 geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
995 }
996 pointsize=12.0;
997 if (image_info->pointsize != 0.0)
998 pointsize=image_info->pointsize;
999 text_size=0;
1000 value=GetImageProperty(image,"label",exception);
1001 if (value != (const char *) NULL)
1002 text_size=(size_t) (MultilineCensus(value)*pointsize+12);
1003 page++;
1004 if (page == 1)
1005 {
1006 /*
1007 Postscript header on the first page.
1008 */
1009 if (LocaleCompare(image_info->magick,"PS3") == 0)
1010 (void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MagickPathExtent);
1011 else
1012 (void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
1013 MagickPathExtent);
1014 (void) WriteBlobString(image,buffer);
1015 (void) FormatLocaleString(buffer,MagickPathExtent,
1016 "%%%%Creator: ImageMagick %s\n",MagickLibVersionText);
1017 (void) WriteBlobString(image,buffer);
1018 (void) FormatLocaleString(buffer,MagickPathExtent,"%%%%Title: %s\n",
1019 image->filename);
1020 (void) WriteBlobString(image,buffer);
1021 timer=time((time_t *) NULL);
1022 (void) FormatMagickTime(timer,MagickPathExtent,date);
1023 (void) FormatLocaleString(buffer,MagickPathExtent,
1024 "%%%%CreationDate: %s\n",date);
1025 (void) WriteBlobString(image,buffer);
1026 bounds.x1=(double) geometry.x;
1027 bounds.y1=(double) geometry.y;
1028 bounds.x2=(double) geometry.x+scale.x;
1029 bounds.y2=(double) geometry.y+scale.y+text_size;
1030 if ((image_info->adjoin != MagickFalse) &&
1031 (GetNextImageInList(image) != (Image *) NULL))
1032 {
1033 (void) WriteBlobString(image,"%%BoundingBox: (atend)\n");
1034 (void) WriteBlobString(image,"%%HiResBoundingBox: (atend)\n");
1035 }
1036 else
1037 {
1038 (void) FormatLocaleString(buffer,MagickPathExtent,
1039 "%%%%BoundingBox: %g %g %g %g\n",ceil(bounds.x1-0.5),
1040 ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
1041 (void) WriteBlobString(image,buffer);
1042 (void) FormatLocaleString(buffer,MagickPathExtent,
1043 "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,
1044 bounds.y1,bounds.x2,bounds.y2);
1045 (void) WriteBlobString(image,buffer);
1046 if (image->colorspace == CMYKColorspace)
1047 (void) WriteBlobString(image,
1048 "%%DocumentProcessColors: Cyan Magenta Yellow Black\n");
1049 else
1050 if (SetImageGray(image,exception) != MagickFalse)
1051 (void) WriteBlobString(image,
1052 "%%DocumentProcessColors: Black\n");
1053 }
1054 /*
1055 Font resources
1056 */
1057 value=GetImageProperty(image,"label",exception);
1058 if (value != (const char *) NULL)
1059 (void) WriteBlobString(image,
1060 "%%DocumentNeededResources: font Helvetica\n");
1061 (void) WriteBlobString(image,"%%LanguageLevel: 3\n");
1062 /*
1063 Pages, orientation and order.
1064 */
1065 if (LocaleCompare(image_info->magick,"PS3") != 0)
1066 (void) WriteBlobString(image,"%%Pages: 1\n");
1067 else
1068 {
1069 (void) WriteBlobString(image,"%%Orientation: Portrait\n");
1070 (void) WriteBlobString(image,"%%PageOrder: Ascend\n");
1071 if (image_info->adjoin == MagickFalse)
1072 (void) CopyMagickString(buffer,"%%Pages: 1\n",MagickPathExtent);
1073 else
1074 (void) FormatLocaleString(buffer,MagickPathExtent,
1075 "%%%%Pages: %.20g\n",(double) imageListLength);
1076 (void) WriteBlobString(image,buffer);
1077 }
1078 if (image->colorspace == CMYKColorspace)
1079 (void) WriteBlobString(image,
1080 "%%DocumentProcessColors: Cyan Magenta Yellow Black\n");
1081 (void) WriteBlobString(image,"%%EndComments\n");
1082 /*
1083 The static postscript procedures prolog.
1084 */
1085 (void)WriteBlobString(image,"%%BeginProlog\n");
1086 for (q=PostscriptProlog; *q; q++)
1087 {
1088 (void) WriteBlobString(image,*q);
1089 (void) WriteBlobByte(image,'\n');
1090 }
1091 /*
1092 One label line for each line in label string.
1093 */
1094 value=GetImageProperty(image,"label",exception);
1095 if (value != (const char *) NULL)
1096 {
1097 (void) WriteBlobString(image,"\n %% Labels.\n /Helvetica "
1098 " findfont pointsize scalefont setfont\n");
1099 for (i=(ssize_t) MultilineCensus(value)-1; i >= 0; i--)
1100 {
1101 (void) WriteBlobString(image,
1102 " currentfile buffer readline pop token pop\n");
1103 (void) FormatLocaleString(buffer,MagickPathExtent,
1104 " 0 y %g add moveto show pop\n",i*pointsize+12);
1105 (void) WriteBlobString(image,buffer);
1106 }
1107 }
1108 /*
1109 The static postscript procedures epilog.
1110 */
1111 for (q=PostscriptEpilog; *q; q++)
1112 {
1113 (void) WriteBlobString(image,*q);
1114 (void) WriteBlobByte(image,'\n');
1115 }
1116 (void)WriteBlobString(image,"%%EndProlog\n");
1117 }
1118 (void) FormatLocaleString(buffer,MagickPathExtent,"%%%%Page: 1 %.20g\n",
1119 (double) page);
1120 (void) WriteBlobString(image,buffer);
1121 /*
1122 Page bounding box.
1123 */
1124 (void) FormatLocaleString(buffer,MagickPathExtent,
1125 "%%%%PageBoundingBox: %.20g %.20g %.20g %.20g\n",(double) geometry.x,
1126 (double) geometry.y,geometry.x+(double) geometry.width,geometry.y+
1127 (double) (geometry.height+text_size));
1128 (void) WriteBlobString(image,buffer);
1129 /*
1130 Page process colors if not RGB.
1131 */
1132 if (image->colorspace == CMYKColorspace)
1133 (void) WriteBlobString(image,
1134 "%%PageProcessColors: Cyan Magenta Yellow Black\n");
1135 else
1136 if (SetImageGray(image,exception) != MagickFalse)
1137 (void) WriteBlobString(image,"%%PageProcessColors: Black\n");
1138 /*
1139 Adjust document bounding box to bound page bounding box.
1140 */
1141 if ((double) geometry.x < bounds.x1)
1142 bounds.x1=(double) geometry.x;
1143 if ((double) geometry.y < bounds.y1)
1144 bounds.y1=(double) geometry.y;
1145 if ((double) (geometry.x+scale.x) > bounds.x2)
1146 bounds.x2=(double) geometry.x+scale.x;
1147 if ((double) (geometry.y+scale.y+text_size) > bounds.y2)
1148 bounds.y2=(double) geometry.y+scale.y+text_size;
1149 /*
1150 Page font resource if there's a label.
1151 */
1152 value=GetImageProperty(image,"label",exception);
1153 if (value != (const char *) NULL)
1154 (void) WriteBlobString(image,"%%PageResources: font Helvetica\n");
1155 /*
1156 PS clipping path from Photoshop clipping path.
1157 */
1158 if (((image->channels & WriteMaskChannel) != 0) ||
1159 (LocaleNCompare("8BIM:",image->magick_filename,5) != 0))
1160 (void) WriteBlobString(image,"/ClipImage {} def\n");
1161 else
1162 {
1163 const char
1164 *value;
1165
1166 value=GetImageProperty(image,image->magick_filename,exception);
1167 if (value == (const char *) NULL)
1168 return(MagickFalse);
1169 (void) WriteBlobString(image,value);
1170 (void) WriteBlobByte(image,'\n');
1171 }
1172 /*
1173 Push a dictionary for our own def's if this an EPS.
1174 */
1175 if (LocaleCompare(image_info->magick,"PS3") != 0)
1176 (void) WriteBlobString(image,"userdict begin\n");
1177 /*
1178 Image mask.
1179 */
1180 if ((image->alpha_trait != UndefinedPixelTrait) &&
1181 (WritePS3MaskImage(image_info,image,compression,exception) == MagickFalse))
1182 {
1183 (void) CloseBlob(image);
1184 return(MagickFalse);
1185 }
1186 /*
1187 Remember position of BeginData comment so we can update it.
1188 */
1189 start=TellBlob(image);
1190 if (start < 0)
1191 ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1192 (void) FormatLocaleString(buffer,MagickPathExtent,
1193 "%%%%BeginData:%13ld %s Bytes\n",0L,
1194 compression == NoCompression ? "ASCII" : "BINARY");
1195 (void) WriteBlobString(image,buffer);
1196 stop=TellBlob(image);
1197 if (stop < 0)
1198 ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1199 (void) WriteBlobString(image,"DisplayImage\n");
1200 /*
1201 Translate, scale, and font point size.
1202 */
1203 (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g %.20g\n%g %g\n%g\n",
1204 (double) geometry.x,(double) geometry.y,scale.x,scale.y,pointsize);
1205 (void) WriteBlobString(image,buffer);
1206 /*
1207 Output labels.
1208 */
1209 labels=(char **) NULL;
1210 value=GetImageProperty(image,"label",exception);
1211 if (value != (const char *) NULL)
1212 labels=StringToList(value);
1213 if (labels != (char **) NULL)
1214 {
1215 for (i=0; labels[i] != (char *) NULL; i++)
1216 {
1217 if (compression != NoCompression)
1218 {
1219 for (j=0; labels[i][j] != '\0'; j++)
1220 (void) WriteBlobByte(image,(unsigned char) labels[i][j]);
1221 (void) WriteBlobByte(image,'\n');
1222 }
1223 else
1224 {
1225 (void) WriteBlobString(image,"<~");
1226 Ascii85Initialize(image);
1227 for (j=0; labels[i][j] != '\0'; j++)
1228 Ascii85Encode(image,(unsigned char) labels[i][j]);
1229 Ascii85Flush(image);
1230 }
1231 labels[i]=DestroyString(labels[i]);
1232 }
1233 labels=(char **) RelinquishMagickMemory(labels);
1234 }
1235 /*
1236 Photoshop clipping path active?
1237 */
1238 if (((image->channels & WriteMaskChannel) != 0) &&
1239 (LocaleNCompare("8BIM:",image->magick_filename,5) == 0))
1240 (void) WriteBlobString(image,"true\n");
1241 else
1242 (void) WriteBlobString(image,"false\n");
1243 /*
1244 Showpage for non-EPS.
1245 */
1246 (void) WriteBlobString(image, LocaleCompare(image_info->magick,"PS3") == 0 ?
1247 "true\n" : "false\n");
1248 /*
1249 Image columns, rows, and color space.
1250 */
1251 (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g %.20g\n%s\n",
1252 (double) image->columns,(double) image->rows,image->colorspace ==
1253 CMYKColorspace ? PS3_CMYKColorspace : PS3_RGBColorspace);
1254 (void) WriteBlobString(image,buffer);
1255 /*
1256 Masked image?
1257 */
1258 (void) WriteBlobString(image,image->alpha_trait != UndefinedPixelTrait ?
1259 "true\n" : "false\n");
1260 /*
1261 Render with imagemask operator?
1262 */
1263 option=GetImageOption(image_info,"ps3:imagemask");
1264 (void) WriteBlobString(image,((option != (const char *) NULL) &&
1265 (SetImageMonochrome(image,exception) != MagickFalse)) ?
1266 "true\n" : "false\n");
1267 /*
1268 Output pixel data.
1269 */
1270 pixels=(unsigned char *) NULL;
1271 length=0;
1272 if ((image_info->type != TrueColorType) &&
1273 (image_info->type != TrueColorAlphaType) &&
1274 (image_info->type != ColorSeparationType) &&
1275 (image_info->type != ColorSeparationAlphaType) &&
1276 (image->colorspace != CMYKColorspace) &&
1277 ((SetImageGray(image,exception) != MagickFalse) ||
1278 (SetImageMonochrome(image,exception) != MagickFalse)))
1279 {
1280 /*
1281 Gray images.
1282 */
1283 (void) WriteBlobString(image,PS3_PseudoClass"\n");
1284 switch (compression)
1285 {
1286 case NoCompression:
1287 default:
1288 {
1289 (void) WriteBlobString(image,PS3_NoCompression"\n");
1290 break;
1291 }
1292 case FaxCompression:
1293 case Group4Compression:
1294 {
1295 (void) WriteBlobString(image,PS3_FaxCompression"\n");
1296 break;
1297 }
1298 case JPEGCompression:
1299 {
1300 (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1301 break;
1302 }
1303 case LZWCompression:
1304 {
1305 (void) WriteBlobString(image,PS3_LZWCompression"\n");
1306 break;
1307 }
1308 case RLECompression:
1309 {
1310 (void) WriteBlobString(image,PS3_RLECompression"\n");
1311 break;
1312 }
1313 case ZipCompression:
1314 {
1315 (void) WriteBlobString(image,PS3_ZipCompression"\n");
1316 break;
1317 }
1318 }
1319 /*
1320 Number of colors -- 0 for single component non-color mapped data.
1321 */
1322 (void) WriteBlobString(image,"0\n");
1323 /*
1324 1 bit or 8 bit components?
1325 */
1326 (void) FormatLocaleString(buffer,MagickPathExtent,"%d\n",
1327 SetImageMonochrome(image,exception) != MagickFalse ? 1 : 8);
1328 (void) WriteBlobString(image,buffer);
1329 /*
1330 Image data.
1331 */
1332 if (compression == JPEGCompression)
1333 status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1334 else
1335 if ((compression == FaxCompression) ||
1336 (compression == Group4Compression))
1337 {
1338 if (LocaleCompare(CCITTParam,"0") == 0)
1339 status=HuffmanEncodeImage(image_info,image,image,exception);
1340 else
1341 status=Huffman2DEncodeImage(image_info,image,image,exception);
1342 }
1343 else
1344 {
1345 status=SerializeImageChannel(image_info,image,&pixel_info,&length,
1346 exception);
1347 if (status == MagickFalse)
1348 {
1349 (void) CloseBlob(image);
1350 return(MagickFalse);
1351 }
1352 pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
1353 switch (compression)
1354 {
1355 case NoCompression:
1356 default:
1357 {
1358 Ascii85Initialize(image);
1359 for (i=0; i < (ssize_t) length; i++)
1360 Ascii85Encode(image,pixels[i]);
1361 Ascii85Flush(image);
1362 status=MagickTrue;
1363 break;
1364 }
1365 case LZWCompression:
1366 {
1367 status=LZWEncodeImage(image,length,pixels,exception);
1368 break;
1369 }
1370 case RLECompression:
1371 {
1372 status=PackbitsEncodeImage(image,length,pixels,exception);
1373 break;
1374 }
1375 case ZipCompression:
1376 {
1377 status=ZLIBEncodeImage(image,length,pixels,exception);
1378 break;
1379 }
1380 }
1381 pixel_info=RelinquishVirtualMemory(pixel_info);
1382 }
1383 }
1384 else
1385 if ((image->storage_class == DirectClass) || (image->colors > 256) ||
1386 (compression == JPEGCompression))
1387 {
1388 /*
1389 Truecolor image.
1390 */
1391 (void) WriteBlobString(image,PS3_DirectClass"\n");
1392 switch (compression)
1393 {
1394 case NoCompression:
1395 default:
1396 {
1397 (void) WriteBlobString(image,PS3_NoCompression"\n");
1398 break;
1399 }
1400 case RLECompression:
1401 {
1402 (void) WriteBlobString(image,PS3_RLECompression"\n");
1403 break;
1404 }
1405 case JPEGCompression:
1406 {
1407 (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1408 break;
1409 }
1410 case LZWCompression:
1411 {
1412 (void) WriteBlobString(image,PS3_LZWCompression"\n");
1413 break;
1414 }
1415 case ZipCompression:
1416 {
1417 (void) WriteBlobString(image,PS3_ZipCompression"\n");
1418 break;
1419 }
1420 }
1421 /*
1422 Image data.
1423 */
1424 if (compression == JPEGCompression)
1425 status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1426 else
1427 {
1428 /*
1429 Stream based compressions.
1430 */
1431 status=SerializeImage(image_info,image,&pixel_info,&length,
1432 exception);
1433 if (status == MagickFalse)
1434 {
1435 (void) CloseBlob(image);
1436 return(MagickFalse);
1437 }
1438 pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
1439 switch (compression)
1440 {
1441 case NoCompression:
1442 default:
1443 {
1444 Ascii85Initialize(image);
1445 for (i=0; i < (ssize_t) length; i++)
1446 Ascii85Encode(image,pixels[i]);
1447 Ascii85Flush(image);
1448 status=MagickTrue;
1449 break;
1450 }
1451 case RLECompression:
1452 {
1453 status=PackbitsEncodeImage(image,length,pixels,exception);
1454 break;
1455 }
1456 case LZWCompression:
1457 {
1458 status=LZWEncodeImage(image,length,pixels,exception);
1459 break;
1460 }
1461 case ZipCompression:
1462 {
1463 status=ZLIBEncodeImage(image,length,pixels,exception);
1464 break;
1465 }
1466 }
1467 pixel_info=RelinquishVirtualMemory(pixel_info);
1468 }
1469 }
1470 else
1471 {
1472 /*
1473 Colormapped images.
1474 */
1475 (void) WriteBlobString(image,PS3_PseudoClass"\n");
1476 switch (compression)
1477 {
1478 case NoCompression:
1479 default:
1480 {
1481 (void) WriteBlobString(image,PS3_NoCompression"\n");
1482 break;
1483 }
1484 case RLECompression:
1485 {
1486 (void) WriteBlobString(image,PS3_RLECompression"\n");
1487 break;
1488 }
1489 case LZWCompression:
1490 {
1491 (void) WriteBlobString(image,PS3_LZWCompression"\n");
1492 break;
1493 }
1494 case ZipCompression:
1495 {
1496 (void) WriteBlobString(image,PS3_ZipCompression"\n");
1497 break;
1498 }
1499 }
1500 /*
1501 Number of colors in color map.
1502 */
1503 (void) FormatLocaleString(buffer,MagickPathExtent,"%.20g\n",
1504 (double) image->colors);
1505 (void) WriteBlobString(image,buffer);
1506 /*
1507 Color map - uncompressed.
1508 */
1509 if ((compression != NoCompression) &&
1510 (compression != UndefinedCompression))
1511 {
1512 for (i=0; i < (ssize_t) image->colors; i++)
1513 {
1514 pixel=ScaleQuantumToChar(image->colormap[i].red);
1515 (void) WriteBlobByte(image,(unsigned char) pixel);
1516 pixel=ScaleQuantumToChar(image->colormap[i].green);
1517 (void) WriteBlobByte(image,(unsigned char) pixel);
1518 pixel=ScaleQuantumToChar(image->colormap[i].blue);
1519 (void) WriteBlobByte(image,(unsigned char) pixel);
1520 }
1521 }
1522 else
1523 {
1524 Ascii85Initialize(image);
1525 for (i=0; i < (ssize_t) image->colors; i++)
1526 {
1527 pixel=ScaleQuantumToChar(image->colormap[i].red);
1528 Ascii85Encode(image,(unsigned char) pixel);
1529 pixel=ScaleQuantumToChar(image->colormap[i].green);
1530 Ascii85Encode(image,(unsigned char) pixel);
1531 pixel=ScaleQuantumToChar(image->colormap[i].blue);
1532 Ascii85Encode(image,(unsigned char) pixel);
1533 }
1534 Ascii85Flush(image);
1535 }
1536 status=SerializeImageIndexes(image_info,image,&pixel_info,&length,
1537 exception);
1538 if (status == MagickFalse)
1539 {
1540 (void) CloseBlob(image);
1541 return(MagickFalse);
1542 }
1543 pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
1544 switch (compression)
1545 {
1546 case NoCompression:
1547 default:
1548 {
1549 Ascii85Initialize(image);
1550 for (i=0; i < (ssize_t) length; i++)
1551 Ascii85Encode(image,pixels[i]);
1552 Ascii85Flush(image);
1553 status=MagickTrue;
1554 break;
1555 }
1556 case RLECompression:
1557 {
1558 status=PackbitsEncodeImage(image,length,pixels,exception);
1559 break;
1560 }
1561 case LZWCompression:
1562 {
1563 status=LZWEncodeImage(image,length,pixels,exception);
1564 break;
1565 }
1566 case ZipCompression:
1567 {
1568 status=ZLIBEncodeImage(image,length,pixels,exception);
1569 break;
1570 }
1571 }
1572 pixel_info=RelinquishVirtualMemory(pixel_info);
1573 }
1574 (void) WriteBlobByte(image,'\n');
1575 if (status == MagickFalse)
1576 {
1577 (void) CloseBlob(image);
1578 return(MagickFalse);
1579 }
1580 /*
1581 Update BeginData now that we know the data size.
1582 */
1583 length=(size_t) (TellBlob(image)-stop);
1584 stop=TellBlob(image);
1585 if (stop < 0)
1586 ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1587 offset=SeekBlob(image,start,SEEK_SET);
1588 if (offset < 0)
1589 ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1590 (void) FormatLocaleString(buffer,MagickPathExtent,
1591 "%%%%BeginData:%13ld %s Bytes\n",(long) length,
1592 compression == NoCompression ? "ASCII" : "BINARY");
1593 (void) WriteBlobString(image,buffer);
1594 offset=SeekBlob(image,stop,SEEK_SET);
1595 (void) WriteBlobString(image,"%%EndData\n");
1596 /*
1597 End private dictionary if this an EPS.
1598 */
1599 if (LocaleCompare(image_info->magick,"PS3") != 0)
1600 (void) WriteBlobString(image,"end\n");
1601 (void) WriteBlobString(image,"%%PageTrailer\n");
1602 if (GetNextImageInList(image) == (Image *) NULL)
1603 break;
1604 image=SyncNextImageInList(image);
1605 status=SetImageProgress(image,SaveImagesTag,scene++,imageListLength);
1606 if (status == MagickFalse)
1607 break;
1608 } while (image_info->adjoin != MagickFalse);
1609 (void) WriteBlobString(image,"%%Trailer\n");
1610 if (page > 1)
1611 {
1612 (void) FormatLocaleString(buffer,MagickPathExtent,
1613 "%%%%BoundingBox: %g %g %g %g\n",ceil(bounds.x1-0.5),
1614 ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
1615 (void) WriteBlobString(image,buffer);
1616 (void) FormatLocaleString(buffer,MagickPathExtent,
1617 "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,bounds.x2,
1618 bounds.y2);
1619 (void) WriteBlobString(image,buffer);
1620 }
1621 (void) WriteBlobString(image,"%%EOF\n");
1622 (void) CloseBlob(image);
1623 return(MagickTrue);
1624 }
1625