2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
13 % Write Postscript Level II Format %
20 % Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
23 % You may not use this file except in compliance with the License. You may %
24 % obtain a copy of the License at %
26 % http://www.imagemagick.org/script/license.php %
28 % Unless required by applicable law or agreed to in writing, software %
29 % distributed under the License is distributed on an "AS IS" BASIS, %
30 % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
31 % See the License for the specific language governing permissions and %
32 % limitations under the License. %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
42 #include "magick/studio.h"
43 #include "magick/blob.h"
44 #include "magick/blob-private.h"
45 #include "magick/cache.h"
46 #include "magick/color.h"
47 #include "magick/color-private.h"
48 #include "magick/compress.h"
49 #include "magick/constitute.h"
50 #include "magick/draw.h"
51 #include "magick/exception.h"
52 #include "magick/exception-private.h"
53 #include "magick/geometry.h"
54 #include "magick/image.h"
55 #include "magick/image-private.h"
56 #include "magick/list.h"
57 #include "magick/magick.h"
58 #include "magick/memory_.h"
59 #include "magick/monitor.h"
60 #include "magick/monitor-private.h"
61 #include "magick/monitor-private.h"
62 #include "magick/option.h"
63 #include "magick/resource_.h"
64 #include "magick/property.h"
65 #include "magick/quantum-private.h"
66 #include "magick/static.h"
67 #include "magick/string_.h"
68 #include "magick/module.h"
69 #include "magick/utility.h"
74 #if defined(MAGICKCORE_TIFF_DELEGATE)
75 #define CCITTParam "-1"
77 #define CCITTParam "0"
83 static MagickBooleanType
84 WritePS2Image(const ImageInfo *,Image *);
87 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
91 % R e g i s t e r P S 2 I m a g e %
95 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
97 % RegisterPS2Image() adds properties for the PS2 image format to
98 % the list of supported formats. The properties include the image format
99 % tag, a method to read and/or write the format, whether the format
100 % supports the saving of more than one frame to the same file or blob,
101 % whether the format supports native in-memory I/O, and a brief
102 % description of the format.
104 % The format of the RegisterPS2Image method is:
106 % unsigned long RegisterPS2Image(void)
109 ModuleExport unsigned long RegisterPS2Image(void)
114 entry=SetMagickInfo("EPS2");
115 entry->encoder=(EncodeImageHandler *) WritePS2Image;
116 entry->adjoin=MagickFalse;
117 entry->seekable_stream=MagickTrue;
118 entry->description=ConstantString("Level II Encapsulated PostScript");
119 entry->module=ConstantString("PS2");
120 (void) RegisterMagickInfo(entry);
121 entry=SetMagickInfo("PS2");
122 entry->encoder=(EncodeImageHandler *) WritePS2Image;
123 entry->seekable_stream=MagickTrue;
124 entry->description=ConstantString("Level II PostScript");
125 entry->module=ConstantString("PS2");
126 (void) RegisterMagickInfo(entry);
127 return(MagickImageCoderSignature);
131 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
135 % U n r e g i s t e r P S 2 I m a g e %
139 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
141 % UnregisterPS2Image() removes format registrations made by the
142 % PS2 module from the list of supported formats.
144 % The format of the UnregisterPS2Image method is:
146 % UnregisterPS2Image(void)
149 ModuleExport void UnregisterPS2Image(void)
151 (void) UnregisterMagickInfo("EPS2");
152 (void) UnregisterMagickInfo("PS2");
156 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
160 % W r i t e P S 2 I m a g e %
164 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
166 % WritePS2Image translates an image to encapsulated Postscript
167 % Level II for printing. If the supplied geometry is null, the image is
168 % centered on the Postscript page. Otherwise, the image is positioned as
169 % specified by the geometry.
171 % The format of the WritePS2Image method is:
173 % MagickBooleanType WritePS2Image(const ImageInfo *image_info,Image *image)
175 % A description of each parameter follows:
177 % o image_info: the image info.
179 % o image: the image.
183 static MagickBooleanType Huffman2DEncodeImage(const ImageInfo *image_info,
184 Image *image,Image *inject_image)
202 write_info=CloneImageInfo(image_info);
203 (void) CopyMagickString(write_info->filename,"GROUP4:",MaxTextExtent);
204 (void) CopyMagickString(write_info->magick,"GROUP4",MaxTextExtent);
205 group4_image=CloneImage(inject_image,0,0,MagickTrue,&image->exception);
206 if (group4_image == (Image *) NULL)
208 group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
210 group4_image=DestroyImage(group4_image);
211 if (group4 == (unsigned char *) NULL)
213 write_info=DestroyImageInfo(write_info);
214 if (WriteBlob(image,length,group4) != (ssize_t) length)
216 group4=(unsigned char *) RelinquishMagickMemory(group4);
220 static MagickBooleanType WritePS2Image(const ImageInfo *image_info,Image *image)
227 "%% Display a color image. The image is displayed in color on",
228 "%% Postscript viewers or printers that support color, otherwise",
229 "%% it is displayed as grayscale.",
234 " %% Display a DirectClass image.",
238 " /DeviceRGB setcolorspace",
243 " /BitsPerComponent 8",
244 " /Decode [0 1 0 1 0 1]",
245 " /ImageMatrix [columns 0 0 rows neg 0 rows]",
247 " { /DataSource pixel_stream %s }",
248 " { /DataSource pixel_stream %s } ifelse",
252 " /DeviceCMYK setcolorspace",
257 " /BitsPerComponent 8",
258 " /Decode [1 0 1 0 1 0 1 0]",
259 " /ImageMatrix [columns 0 0 rows neg 0 rows]",
261 " { /DataSource pixel_stream %s }",
262 " { /DataSource pixel_stream %s } ifelse",
270 " %% Display a PseudoClass image.",
273 " %% colors: number of colors in the colormap.",
275 " currentfile buffer readline pop",
276 " token pop /colors exch def pop",
280 " %% Image is grayscale.",
282 " currentfile buffer readline pop",
283 " token pop /bits exch def pop",
284 " /DeviceGray setcolorspace",
289 " /BitsPerComponent bits",
291 " /ImageMatrix [columns 0 0 rows neg 0 rows]",
293 " { /DataSource pixel_stream %s }",
295 " /DataSource pixel_stream %s",
300 " >> /CCITTFaxDecode filter",
307 " %% colormap: red, green, blue color packets.",
309 " /colormap colors 3 mul string def",
310 " currentfile colormap readhexstring pop pop",
311 " currentfile buffer readline pop",
312 " [ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace",
317 " /BitsPerComponent 8",
319 " /ImageMatrix [columns 0 0 rows neg 0 rows]",
321 " { /DataSource pixel_stream %s }",
322 " { /DataSource pixel_stream %s } ifelse",
330 " %% Display a DirectClass or PseudoClass image.",
333 " %% x & y translation.",
335 " %% label pointsize.",
337 " %% image columns & rows.",
338 " %% class: 0-DirectClass or 1-PseudoClass.",
339 " %% colorspace: 0-RGB or 1-CMYK.",
340 " %% compression: 0-RLECompression or 1-NoCompression.",
341 " %% hex color packets.",
344 " /buffer 512 string def",
345 " /pixel_stream currentfile def",
347 " currentfile buffer readline pop",
348 " token pop /x exch def",
349 " token pop /y exch def pop",
351 " currentfile buffer readline pop",
352 " token pop /x exch def",
353 " token pop /y exch def pop",
354 " currentfile buffer readline pop",
355 " token pop /pointsize exch def pop",
356 " /Helvetica findfont pointsize scalefont setfont",
362 " currentfile buffer readline pop",
363 " token pop /columns exch def",
364 " token pop /rows exch def pop",
365 " currentfile buffer readline pop",
366 " token pop /class exch def pop",
367 " currentfile buffer readline pop",
368 " token pop /colorspace exch def pop",
369 " currentfile buffer readline pop",
370 " token pop /compression exch def pop",
371 " class 0 gt { PseudoClassImage } { DirectClassImage } ifelse",
376 buffer[MaxTextExtent],
378 page_geometry[MaxTextExtent],
426 register const IndexPacket
429 register const PixelPacket
455 Open output image file.
457 assert(image_info != (const ImageInfo *) NULL);
458 assert(image_info->signature == MagickSignature);
459 assert(image != (Image *) NULL);
460 assert(image->signature == MagickSignature);
461 if (image->debug != MagickFalse)
462 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
463 status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
464 if (status == MagickFalse)
466 compression=image->compression;
467 if (image_info->compression != UndefinedCompression)
468 compression=image_info->compression;
471 #if !defined(MAGICKCORE_JPEG_DELEGATE)
472 case JPEGCompression:
474 compression=RLECompression;
475 (void) ThrowMagickException(&image->exception,GetMagickModule(),
476 MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
484 (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
490 Scale relative to dots-per-inch.
492 delta.x=DefaultResolution;
493 delta.y=DefaultResolution;
494 resolution.x=image->x_resolution;
495 resolution.y=image->y_resolution;
496 if ((resolution.x == 0.0) || (resolution.y == 0.0))
498 flags=ParseGeometry(PSDensityGeometry,&geometry_info);
499 resolution.x=geometry_info.rho;
500 resolution.y=geometry_info.sigma;
501 if ((flags & SigmaValue) == 0)
502 resolution.y=resolution.x;
504 if (image_info->density != (char *) NULL)
506 flags=ParseGeometry(image_info->density,&geometry_info);
507 resolution.x=geometry_info.rho;
508 resolution.y=geometry_info.sigma;
509 if ((flags & SigmaValue) == 0)
510 resolution.y=resolution.x;
512 if (image->units == PixelsPerCentimeterResolution)
517 SetGeometry(image,&geometry);
518 (void) FormatMagickString(page_geometry,MaxTextExtent,"%lux%lu",
519 image->columns,image->rows);
520 if (image_info->page != (char *) NULL)
521 (void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
523 if ((image->page.width != 0) && (image->page.height != 0))
524 (void) FormatMagickString(page_geometry,MaxTextExtent,"%lux%lu%+ld%+ld",
525 image->page.width,image->page.height,image->page.x,image->page.y);
527 if ((image->gravity != UndefinedGravity) &&
528 (LocaleCompare(image_info->magick,"PS") == 0))
529 (void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
530 (void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
531 (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
532 &geometry.width,&geometry.height);
533 scale.x=(double) (geometry.width*delta.x)/resolution.x;
534 geometry.width=(unsigned long) (scale.x+0.5);
535 scale.y=(double) (geometry.height*delta.y)/resolution.y;
536 geometry.height=(unsigned long) (scale.y+0.5);
537 (void) ParseAbsoluteGeometry(page_geometry,&media_info);
538 (void) ParseGravityGeometry(image,page_geometry,&page_info,
540 if (image->gravity != UndefinedGravity)
542 geometry.x=(-page_info.x);
543 geometry.y=(long) (media_info.height+page_info.y-image->rows);
546 if (image_info->pointsize != 0.0)
547 pointsize=image_info->pointsize;
549 value=GetImageProperty(image,"label");
550 if (value != (const char *) NULL)
551 text_size=(unsigned long) (MultilineCensus(value)*pointsize+12);
555 Output Postscript header.
557 if (LocaleCompare(image_info->magick,"PS2") == 0)
558 (void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MaxTextExtent);
560 (void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
562 (void) WriteBlobString(image,buffer);
563 (void) WriteBlobString(image,"%%Creator: (ImageMagick)\n");
564 (void) FormatMagickString(buffer,MaxTextExtent,"%%%%Title: (%s)\n",
566 (void) WriteBlobString(image,buffer);
567 timer=time((time_t *) NULL);
568 (void) FormatMagickTime(timer,MaxTextExtent,date);
569 (void) FormatMagickString(buffer,MaxTextExtent,
570 "%%%%CreationDate: (%s)\n",date);
571 (void) WriteBlobString(image,buffer);
572 bounds.x1=(double) geometry.x;
573 bounds.y1=(double) geometry.y;
574 bounds.x2=(double) geometry.x+geometry.width;
575 bounds.y2=(double) geometry.y+geometry.height+text_size;
576 if ((image_info->adjoin != MagickFalse) &&
577 (GetNextImageInList(image) != (Image *) NULL))
578 (void) CopyMagickString(buffer,"%%BoundingBox: (atend)\n",
582 (void) FormatMagickString(buffer,MaxTextExtent,
583 "%%%%BoundingBox: %ld %ld %ld %ld\n",(long) (bounds.x1+0.5),
584 (long) (bounds.y1+0.5),
585 (long) (bounds.x2+0.5),(long) (bounds.y2+0.5));
586 (void) WriteBlobString(image,buffer);
587 (void) FormatMagickString(buffer,MaxTextExtent,
588 "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,
589 bounds.x2,bounds.y2);
591 (void) WriteBlobString(image,buffer);
592 value=GetImageProperty(image,"label");
593 if (value != (const char *) NULL)
594 (void) WriteBlobString(image,
595 "%%DocumentNeededResources: font Helvetica\n");
596 (void) WriteBlobString(image,"%%LanguageLevel: 2\n");
597 if (LocaleCompare(image_info->magick,"PS2") != 0)
598 (void) WriteBlobString(image,"%%Pages: 1\n");
601 (void) WriteBlobString(image,"%%Orientation: Portrait\n");
602 (void) WriteBlobString(image,"%%PageOrder: Ascend\n");
603 if (image_info->adjoin == MagickFalse)
604 (void) CopyMagickString(buffer,"%%Pages: 1\n",MaxTextExtent);
606 (void) FormatMagickString(buffer,MaxTextExtent,"%%%%Pages: %lu\n",
607 (unsigned long) GetImageListLength(image));
608 (void) WriteBlobString(image,buffer);
610 (void) WriteBlobString(image,"%%EndComments\n");
611 (void) WriteBlobString(image,"\n%%BeginDefaults\n");
612 (void) WriteBlobString(image,"%%EndDefaults\n\n");
614 Output Postscript commands.
616 for (q=PostscriptProlog; *q; q++)
622 (void) FormatMagickString(buffer,MaxTextExtent,*q,
623 "/ASCII85Decode filter");
626 case JPEGCompression:
628 (void) FormatMagickString(buffer,MaxTextExtent,*q,
629 "/DCTDecode filter");
634 (void) FormatMagickString(buffer,MaxTextExtent,*q,
635 "/LZWDecode filter");
639 case Group4Compression:
641 (void) FormatMagickString(buffer,MaxTextExtent,*q," ");
646 (void) FormatMagickString(buffer,MaxTextExtent,*q,
647 "/RunLengthDecode filter");
651 (void) WriteBlobString(image,buffer);
652 (void) WriteBlobByte(image,'\n');
654 value=GetImageProperty(image,"label");
655 if (value != (const char *) NULL)
656 for (j=(long) MultilineCensus(value)-1; j >= 0; j--)
658 (void) WriteBlobString(image," /label 512 string def\n");
659 (void) WriteBlobString(image," currentfile label readline pop\n");
660 (void) FormatMagickString(buffer,MaxTextExtent,
661 " 0 y %g add moveto label show pop\n",j*pointsize+12);
662 (void) WriteBlobString(image,buffer);
664 for (q=PostscriptEpilog; *q; q++)
666 (void) FormatMagickString(buffer,MaxTextExtent,"%s\n",*q);
667 (void) WriteBlobString(image,buffer);
669 if (LocaleCompare(image_info->magick,"PS2") == 0)
670 (void) WriteBlobString(image," showpage\n");
671 (void) WriteBlobString(image,"} bind def\n");
672 (void) WriteBlobString(image,"%%EndProlog\n");
674 (void) FormatMagickString(buffer,MaxTextExtent,"%%%%Page: 1 %lu\n",page++);
675 (void) WriteBlobString(image,buffer);
676 (void) FormatMagickString(buffer,MaxTextExtent,
677 "%%%%PageBoundingBox: %ld %ld %ld %ld\n",geometry.x,geometry.y,
678 geometry.x+(long) geometry.width,geometry.y+(long)
679 (geometry.height+text_size));
680 (void) WriteBlobString(image,buffer);
681 if ((double) geometry.x < bounds.x1)
682 bounds.x1=(double) geometry.x;
683 if ((double) geometry.y < bounds.y1)
684 bounds.y1=(double) geometry.y;
685 if ((double) (geometry.x+geometry.width-1) > bounds.x2)
686 bounds.x2=(double) geometry.x+geometry.width-1;
687 if ((double) (geometry.y+(geometry.height+text_size)-1) > bounds.y2)
688 bounds.y2=(double) geometry.y+(geometry.height+text_size)-1;
689 value=GetImageProperty(image,"label");
690 if (value != (const char *) NULL)
691 (void) WriteBlobString(image,"%%PageResources: font Times-Roman\n");
692 if (LocaleCompare(image_info->magick,"PS2") != 0)
693 (void) WriteBlobString(image,"userdict begin\n");
694 start=TellBlob(image);
695 (void) FormatMagickString(buffer,MaxTextExtent,
696 "%%%%BeginData:%13ld %s Bytes\n",0L,
697 compression == NoCompression ? "ASCII" : "Binary");
698 (void) WriteBlobString(image,buffer);
699 stop=TellBlob(image);
700 (void) WriteBlobString(image,"DisplayImage\n");
704 (void) FormatMagickString(buffer,MaxTextExtent,"%ld %ld\n%g %g\n%f\n",
705 geometry.x,geometry.y,scale.x,scale.y,pointsize);
706 (void) WriteBlobString(image,buffer);
707 labels=(char **) NULL;
708 value=GetImageProperty(image,"label");
709 if (value != (const char *) NULL)
710 labels=StringToList(value);
711 if (labels != (char **) NULL)
713 for (i=0; labels[i] != (char *) NULL; i++)
715 (void) FormatMagickString(buffer,MaxTextExtent,"%s \n",
717 (void) WriteBlobString(image,buffer);
718 labels[i]=DestroyString(labels[i]);
720 labels=(char **) RelinquishMagickMemory(labels);
722 number_pixels=(MagickSizeType) image->columns*image->rows;
723 if (number_pixels != (MagickSizeType) ((size_t) number_pixels))
724 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
725 if ((compression == FaxCompression) || (compression == Group4Compression) ||
726 ((image_info->type != TrueColorType) &&
727 (IsGrayImage(image,&image->exception) != MagickFalse)))
729 (void) FormatMagickString(buffer,MaxTextExtent,"%lu %lu\n1\n%d\n",
730 image->columns,image->rows,(int)
731 (image->colorspace == CMYKColorspace));
732 (void) WriteBlobString(image,buffer);
733 (void) FormatMagickString(buffer,MaxTextExtent,"%d\n",
734 (int) ((compression != FaxCompression) &&
735 (compression != Group4Compression)));
736 (void) WriteBlobString(image,buffer);
737 (void) WriteBlobString(image,"0\n");
738 (void) FormatMagickString(buffer,MaxTextExtent,"%d\n",
739 (compression == FaxCompression) ||
740 (compression == Group4Compression) ? 1 : 8);
741 (void) WriteBlobString(image,buffer);
745 case Group4Compression:
747 if (LocaleCompare(CCITTParam,"0") == 0)
749 (void) HuffmanEncodeImage(image_info,image,image);
752 (void) Huffman2DEncodeImage(image_info,image,image);
755 case JPEGCompression:
757 status=InjectImageBlob(image_info,image,image,"jpeg",
759 if (status == MagickFalse)
760 ThrowWriterException(CoderError,image->exception.reason);
766 register unsigned char
770 Allocate pixel array.
772 length=(size_t) number_pixels;
773 pixels=(unsigned char *) AcquireQuantumMemory(length,
775 if (pixels == (unsigned char *) NULL)
776 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
778 Dump Runlength encoded pixels.
781 for (y=0; y < (long) image->rows; y++)
783 p=GetVirtualPixels(image,0,y,image->columns,1,
785 if (p == (const PixelPacket *) NULL)
787 for (x=0; x < (long) image->columns; x++)
789 *q++=ScaleQuantumToChar(PixelIntensityToQuantum(p));
792 progress=SetImageProgress(image,SaveImageTag,y,image->rows);
793 if (progress == MagickFalse)
796 length=(size_t) (q-pixels);
797 if (compression == LZWCompression)
798 status=LZWEncodeImage(image,length,pixels);
800 status=PackbitsEncodeImage(image,length,pixels);
801 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
802 if (status == MagickFalse)
804 (void) CloseBlob(image);
812 Dump uncompressed PseudoColor packets.
814 Ascii85Initialize(image);
815 for (y=0; y < (long) image->rows; y++)
817 p=GetVirtualPixels(image,0,y,image->columns,1,
819 if (p == (const PixelPacket *) NULL)
821 for (x=0; x < (long) image->columns; x++)
824 ScaleQuantumToChar(PixelIntensityToQuantum(p)));
827 progress=SetImageProgress(image,SaveImageTag,y,image->rows);
828 if (progress == MagickFalse)
837 if ((image->storage_class == DirectClass) || (image->colors > 256) ||
838 (compression == JPEGCompression) || (image->matte != MagickFalse))
840 (void) FormatMagickString(buffer,MaxTextExtent,"%lu %lu\n0\n%d\n",
841 image->columns,image->rows,(int)
842 (image->colorspace == CMYKColorspace));
843 (void) WriteBlobString(image,buffer);
844 (void) FormatMagickString(buffer,MaxTextExtent,"%d\n",
845 (int) (compression == NoCompression));
846 (void) WriteBlobString(image,buffer);
849 case JPEGCompression:
851 status=InjectImageBlob(image_info,image,image,"jpeg",
853 if (status == MagickFalse)
854 ThrowWriterException(CoderError,image->exception.reason);
860 register unsigned char
864 Allocate pixel array.
866 length=(size_t) number_pixels;
867 pixels=(unsigned char *) AcquireQuantumMemory(length,
869 if (pixels == (unsigned char *) NULL)
870 ThrowWriterException(ResourceLimitError,
871 "MemoryAllocationFailed");
873 Dump Packbit encoded pixels.
876 for (y=0; y < (long) image->rows; y++)
878 p=GetVirtualPixels(image,0,y,image->columns,1,
880 if (p == (const PixelPacket *) NULL)
882 indexes=GetVirtualIndexQueue(image);
883 for (x=0; x < (long) image->columns; x++)
885 if ((image->matte != MagickFalse) &&
886 (p->opacity == (Quantum) TransparentOpacity))
888 *q++=ScaleQuantumToChar((Quantum) QuantumRange);
889 *q++=ScaleQuantumToChar((Quantum) QuantumRange);
890 *q++=ScaleQuantumToChar((Quantum) QuantumRange);
893 if (image->colorspace != CMYKColorspace)
895 *q++=ScaleQuantumToChar(p->red);
896 *q++=ScaleQuantumToChar(p->green);
897 *q++=ScaleQuantumToChar(p->blue);
901 *q++=ScaleQuantumToChar(p->red);
902 *q++=ScaleQuantumToChar(p->green);
903 *q++=ScaleQuantumToChar(p->blue);
904 *q++=ScaleQuantumToChar(indexes[x]);
908 progress=SetImageProgress(image,SaveImageTag,y,image->rows);
909 if (progress == MagickFalse)
912 length=(size_t) (q-pixels);
913 if (compression == LZWCompression)
914 status=LZWEncodeImage(image,length,pixels);
916 status=PackbitsEncodeImage(image,length,pixels);
917 if (status == MagickFalse)
919 (void) CloseBlob(image);
922 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
928 Dump uncompressed DirectColor packets.
930 Ascii85Initialize(image);
931 for (y=0; y < (long) image->rows; y++)
933 p=GetVirtualPixels(image,0,y,image->columns,1,
935 if (p == (const PixelPacket *) NULL)
937 indexes=GetVirtualIndexQueue(image);
938 for (x=0; x < (long) image->columns; x++)
940 if ((image->matte != MagickFalse) &&
941 (p->opacity == (Quantum) TransparentOpacity))
943 Ascii85Encode(image,ScaleQuantumToChar((Quantum)
945 Ascii85Encode(image,ScaleQuantumToChar((Quantum)
947 Ascii85Encode(image,ScaleQuantumToChar((Quantum)
951 if (image->colorspace != CMYKColorspace)
953 Ascii85Encode(image,ScaleQuantumToChar(p->red));
954 Ascii85Encode(image,ScaleQuantumToChar(p->green));
955 Ascii85Encode(image,ScaleQuantumToChar(p->blue));
959 Ascii85Encode(image,ScaleQuantumToChar(p->red));
960 Ascii85Encode(image,ScaleQuantumToChar(p->green));
961 Ascii85Encode(image,ScaleQuantumToChar(p->blue));
962 Ascii85Encode(image,ScaleQuantumToChar(indexes[x]));
966 progress=SetImageProgress(image,SaveImageTag,y,image->rows);
967 if (progress == MagickFalse)
978 Dump number of colors and colormap.
980 (void) FormatMagickString(buffer,MaxTextExtent,"%lu %lu\n1\n%d\n",
981 image->columns,image->rows,(int)
982 (image->colorspace == CMYKColorspace));
983 (void) WriteBlobString(image,buffer);
984 (void) FormatMagickString(buffer,MaxTextExtent,"%d\n",
985 (int) (compression == NoCompression));
986 (void) WriteBlobString(image,buffer);
987 (void) FormatMagickString(buffer,MaxTextExtent,"%lu\n",image->colors);
988 (void) WriteBlobString(image,buffer);
989 for (i=0; i < (long) image->colors; i++)
991 (void) FormatMagickString(buffer,MaxTextExtent,"%02X%02X%02X\n",
992 ScaleQuantumToChar(image->colormap[i].red),
993 ScaleQuantumToChar(image->colormap[i].green),
994 ScaleQuantumToChar(image->colormap[i].blue));
995 (void) WriteBlobString(image,buffer);
1002 register unsigned char
1006 Allocate pixel array.
1008 length=(size_t) number_pixels;
1009 pixels=(unsigned char *) AcquireQuantumMemory(length,
1011 if (pixels == (unsigned char *) NULL)
1012 ThrowWriterException(ResourceLimitError,
1013 "MemoryAllocationFailed");
1015 Dump Runlength encoded pixels.
1018 for (y=0; y < (long) image->rows; y++)
1020 p=GetVirtualPixels(image,0,y,image->columns,1,
1022 if (p == (const PixelPacket *) NULL)
1024 indexes=GetVirtualIndexQueue(image);
1025 for (x=0; x < (long) image->columns; x++)
1026 *q++=(unsigned char) indexes[x];
1027 progress=SetImageProgress(image,SaveImageTag,y,image->rows);
1028 if (progress == MagickFalse)
1031 length=(size_t) (q-pixels);
1032 if (compression == LZWCompression)
1033 status=LZWEncodeImage(image,length,pixels);
1035 status=PackbitsEncodeImage(image,length,pixels);
1036 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1037 if (status == MagickFalse)
1039 (void) CloseBlob(image);
1040 return(MagickFalse);
1047 Dump uncompressed PseudoColor packets.
1049 Ascii85Initialize(image);
1050 for (y=0; y < (long) image->rows; y++)
1052 p=GetVirtualPixels(image,0,y,image->columns,1,
1054 if (p == (const PixelPacket *) NULL)
1056 indexes=GetVirtualIndexQueue(image);
1057 for (x=0; x < (long) image->columns; x++)
1058 Ascii85Encode(image,(unsigned char) indexes[x]);
1059 progress=SetImageProgress(image,SaveImageTag,y,image->rows);
1060 if (progress == MagickFalse)
1063 Ascii85Flush(image);
1068 (void) WriteBlobByte(image,'\n');
1069 length=(size_t) (TellBlob(image)-stop);
1070 stop=TellBlob(image);
1071 offset=SeekBlob(image,start,SEEK_SET);
1073 ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1074 (void) FormatMagickString(buffer,MaxTextExtent,
1075 "%%%%BeginData:%13ld %s Bytes\n",(long) length,
1076 compression == NoCompression ? "ASCII" : "Binary");
1077 (void) WriteBlobString(image,buffer);
1078 offset=SeekBlob(image,stop,SEEK_SET);
1079 (void) WriteBlobString(image,"%%EndData\n");
1080 if (LocaleCompare(image_info->magick,"PS2") != 0)
1081 (void) WriteBlobString(image,"end\n");
1082 (void) WriteBlobString(image,"%%PageTrailer\n");
1083 if (GetNextImageInList(image) == (Image *) NULL)
1085 image=SyncNextImageInList(image);
1086 status=SetImageProgress(image,SaveImagesTag,scene++,
1087 GetImageListLength(image));
1088 if (status == MagickFalse)
1090 } while (image_info->adjoin != MagickFalse);
1091 (void) WriteBlobString(image,"%%Trailer\n");
1094 (void) FormatMagickString(buffer,MaxTextExtent,
1095 "%%%%BoundingBox: %ld %ld %ld %ld\n",(long) (bounds.x1+0.5),
1096 (long) (bounds.y1+0.5),(long) (bounds.x2+0.5),(long) (bounds.y2+0.5));
1097 (void) WriteBlobString(image,buffer);
1098 (void) FormatMagickString(buffer,MaxTextExtent,
1099 "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,bounds.x2,
1101 (void) WriteBlobString(image,buffer);
1103 (void) WriteBlobString(image,"%%EOF\n");
1104 (void) CloseBlob(image);