2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
13 % Write Postscript Level III Format %
21 % Copyright 1999-2013 ImageMagick Studio LLC, a non-profit organization %
22 % dedicated to making software imaging solutions freely available. %
24 % You may not use this file except in compliance with the License. You may %
25 % obtain a copy of the License at %
27 % http://www.imagemagick.org/script/license.php %
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. %
35 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
43 #include "MagickCore/studio.h"
44 #include "MagickCore/attribute.h"
45 #include "MagickCore/blob.h"
46 #include "MagickCore/blob-private.h"
47 #include "MagickCore/cache.h"
48 #include "MagickCore/channel.h"
49 #include "MagickCore/color.h"
50 #include "MagickCore/color-private.h"
51 #include "MagickCore/compress.h"
52 #include "MagickCore/constitute.h"
53 #include "MagickCore/draw.h"
54 #include "MagickCore/exception.h"
55 #include "MagickCore/exception-private.h"
56 #include "MagickCore/geometry.h"
57 #include "MagickCore/image.h"
58 #include "MagickCore/image-private.h"
59 #include "MagickCore/list.h"
60 #include "MagickCore/magick.h"
61 #include "MagickCore/memory_.h"
62 #include "MagickCore/monitor.h"
63 #include "MagickCore/monitor-private.h"
64 #include "MagickCore/option.h"
65 #include "MagickCore/pixel-accessor.h"
66 #include "MagickCore/property.h"
67 #include "MagickCore/quantum-private.h"
68 #include "MagickCore/resource_.h"
69 #include "MagickCore/static.h"
70 #include "MagickCore/string_.h"
71 #include "MagickCore/module.h"
72 #include "MagickCore/token.h"
73 #include "MagickCore/utility.h"
74 #include "MagickCore/module.h"
79 #define PS3_NoCompression "0"
80 #define PS3_FaxCompression "1"
81 #define PS3_JPEGCompression "2"
82 #define PS3_LZWCompression "3"
83 #define PS3_RLECompression "4"
84 #define PS3_ZipCompression "5"
86 #define PS3_RGBColorspace "0"
87 #define PS3_CMYKColorspace "1"
89 #define PS3_DirectClass "0"
90 #define PS3_PseudoClass "1"
92 #if defined(MAGICKCORE_TIFF_DELEGATE)
93 #define CCITTParam "-1"
95 #define CCITTParam "0"
101 static MagickBooleanType
102 WritePS3Image(const ImageInfo *,Image *,ExceptionInfo *);
105 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
109 % R e g i s t e r P S 3 I m a g e %
113 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
115 % RegisterPS3Image() adds properties for the PS3 image format to the list of
116 % supported formats. The properties include the image format tag, a method to
117 % read and/or write the format, whether the format supports the saving of more
118 % than one frame to the same file or blob, whether the format supports native
119 % in-memory I/O, and a brief description of the format.
121 % The format of the RegisterPS3Image method is:
123 % size_t RegisterPS3Image(void)
126 ModuleExport size_t RegisterPS3Image(void)
131 entry=SetMagickInfo("EPS3");
132 entry->encoder=(EncodeImageHandler *) WritePS3Image;
133 entry->description=ConstantString("Level III Encapsulated PostScript");
134 entry->module=ConstantString("PS3");
135 entry->seekable_stream=MagickTrue;
136 (void) RegisterMagickInfo(entry);
137 entry=SetMagickInfo("PS3");
138 entry->encoder=(EncodeImageHandler *) WritePS3Image;
139 entry->description=ConstantString("Level III PostScript");
140 entry->module=ConstantString("PS3");
141 entry->seekable_stream=MagickTrue;
142 (void) RegisterMagickInfo(entry);
143 return(MagickImageCoderSignature);
147 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
151 % U n r e g i s t e r P S 3 I m a g e %
155 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
157 % UnregisterPS3Image() removes format registrations made by the PS3 module
158 % from the list of supported formats.
160 % The format of the UnregisterPS3Image method is:
162 % UnregisterPS3Image(void)
165 ModuleExport void UnregisterPS3Image(void)
167 (void) UnregisterMagickInfo("EPS3");
168 (void) UnregisterMagickInfo("PS3");
172 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
176 % W r i t e P S 3 I m a g e %
180 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
182 % WritePS3Image() translates an image to encapsulated Postscript Level III
183 % for printing. If the supplied geometry is null, the image is centered on
184 % the Postscript page. Otherwise, the image is positioned as specified by the
187 % The format of the WritePS3Image method is:
189 % MagickBooleanType WritePS3Image(const ImageInfo *image_info,
190 % Image *image,ExceptionInfo *exception)
192 % A description of each parameter follows:
194 % o image_info: Specifies a pointer to a ImageInfo structure.
196 % o image: the image.
198 % o exception: return any errors or warnings in this structure.
202 static MagickBooleanType Huffman2DEncodeImage(const ImageInfo *image_info,
203 Image *image,Image *inject_image,ExceptionInfo *exception)
221 write_info=CloneImageInfo(image_info);
222 (void) CopyMagickString(write_info->filename,"GROUP4:",MaxTextExtent);
223 (void) CopyMagickString(write_info->magick,"GROUP4",MaxTextExtent);
224 group4_image=CloneImage(inject_image,0,0,MagickTrue,exception);
225 if (group4_image == (Image *) NULL)
227 group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
229 group4_image=DestroyImage(group4_image);
230 if (group4 == (unsigned char *) NULL)
232 write_info=DestroyImageInfo(write_info);
233 if (WriteBlob(image,length,group4) != (ssize_t) length)
235 group4=(unsigned char *) RelinquishMagickMemory(group4);
239 static MagickBooleanType SerializeImage(const ImageInfo *image_info,
240 Image *image,unsigned char **pixels,size_t *length,ExceptionInfo *exception)
245 register const Quantum
251 register unsigned char
257 assert(image != (Image *) NULL);
258 assert(image->signature == MagickSignature);
259 if (image->debug != MagickFalse)
260 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
262 *length=(image->colorspace == CMYKColorspace ? 4 : 3)*(size_t)
263 image->columns*image->rows;
264 *pixels=(unsigned char *) AcquireQuantumMemory(*length,sizeof(**pixels));
265 if (*pixels == (unsigned char *) NULL)
266 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
268 for (y=0; y < (ssize_t) image->rows; y++)
270 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
271 if (p == (const Quantum *) NULL)
273 if (image->colorspace != CMYKColorspace)
274 for (x=0; x < (ssize_t) image->columns; x++)
276 *q++=ScaleQuantumToChar(GetPixelRed(image,p));
277 *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
278 *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
279 p+=GetPixelChannels(image);
282 for (x=0; x < (ssize_t) image->columns; x++)
284 *q++=ScaleQuantumToChar(GetPixelRed(image,p));
285 *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
286 *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
287 *q++=ScaleQuantumToChar(GetPixelBlack(image,p));
288 p+=GetPixelChannels(image);
290 if (image->previous == (Image *) NULL)
292 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
294 if (status == MagickFalse)
298 if (status == MagickFalse)
299 *pixels=(unsigned char *) RelinquishMagickMemory(*pixels);
303 static MagickBooleanType SerializeImageChannel(const ImageInfo *image_info,
304 Image *image,unsigned char **pixels,size_t *length,ExceptionInfo *exception)
309 register const Quantum
315 register unsigned char
329 assert(image != (Image *) NULL);
330 assert(image->signature == MagickSignature);
331 if (image->debug != MagickFalse)
332 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
334 pack=IsImageMonochrome(image,exception) == MagickFalse ? 1UL : 8UL;
335 padded_columns=((image->columns+pack-1)/pack)*pack;
336 *length=(size_t) padded_columns*image->rows/pack;
337 *pixels=(unsigned char *) AcquireQuantumMemory(*length,sizeof(**pixels));
338 if (*pixels == (unsigned char *) NULL)
339 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
341 for (y=0; y < (ssize_t) image->rows; y++)
343 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
344 if (p == (const Quantum *) NULL)
347 for (x=0; x < (ssize_t) image->columns; x++)
349 *q++=ScaleQuantumToChar(GetPixelIntensity(image,p));
350 p+=GetPixelChannels(image);
355 for (x=0; x < (ssize_t) padded_columns; x++)
357 bit=(unsigned char) 0x00;
358 if (x < (ssize_t) image->columns)
359 bit=(unsigned char) (GetPixelIntensity(image,p) == (Quantum)
360 TransparentAlpha ? 0x01 : 0x00);
361 code=(code << 1)+bit;
362 if (((x+1) % pack) == 0)
367 p+=GetPixelChannels(image);
370 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
372 if (status == MagickFalse)
375 if (status == MagickFalse)
376 *pixels=(unsigned char *) RelinquishMagickMemory(*pixels);
380 static MagickBooleanType SerializeImageIndexes(const ImageInfo *image_info,
381 Image *image,unsigned char **pixels,size_t *length,ExceptionInfo *exception)
386 register const Quantum
392 register unsigned char
398 assert(image != (Image *) NULL);
399 assert(image->signature == MagickSignature);
400 if (image->debug != MagickFalse)
401 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
403 *length=(size_t) image->columns*image->rows;
404 *pixels=(unsigned char *) AcquireQuantumMemory(*length,sizeof(**pixels));
405 if (*pixels == (unsigned char *) NULL)
406 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
408 for (y=0; y < (ssize_t) image->rows; y++)
410 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
411 if (p == (const Quantum *) NULL)
413 for (x=0; x < (ssize_t) image->columns; x++)
415 *q++=(unsigned char) GetPixelIndex(image,p);
416 p+=GetPixelChannels(image);
418 if (image->previous == (Image *) NULL)
420 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
422 if (status == MagickFalse)
426 if (status == MagickFalse)
427 *pixels=(unsigned char *) RelinquishMagickMemory(*pixels);
431 static MagickBooleanType WritePS3MaskImage(const ImageInfo *image_info,
432 Image *image,const CompressionType compression,ExceptionInfo *exception)
435 buffer[MaxTextExtent];
457 assert(image_info != (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 assert(image->alpha_trait == BlendPixelTrait);
466 Note BeginData DSC comment for update later.
468 start=TellBlob(image);
469 (void) FormatLocaleString(buffer,MaxTextExtent,
470 "%%%%BeginData:%13ld %s Bytes\n",0L,compression == NoCompression ?
472 (void) WriteBlobString(image,buffer);
473 stop=TellBlob(image);
475 Only lossless compressions for the mask.
482 (void) FormatLocaleString(buffer,MaxTextExtent,
483 "currentfile %.20g %.20g "PS3_NoCompression" ByteStreamDecodeFilter\n",
484 (double) image->columns,(double) image->rows);
488 case Group4Compression:
490 (void) FormatLocaleString(buffer,MaxTextExtent,
491 "currentfile %.20g %.20g "PS3_FaxCompression" ByteStreamDecodeFilter\n",
492 (double) image->columns,(double) image->rows);
497 (void) FormatLocaleString(buffer,MaxTextExtent,
498 "currentfile %.20g %.20g "PS3_LZWCompression" ByteStreamDecodeFilter\n",
499 (double) image->columns,(double) image->rows);
504 (void) FormatLocaleString(buffer,MaxTextExtent,
505 "currentfile %.20g %.20g "PS3_RLECompression" ByteStreamDecodeFilter\n",
506 (double) image->columns,(double) image->rows);
511 (void) FormatLocaleString(buffer,MaxTextExtent,
512 "currentfile %.20g %.20g "PS3_ZipCompression" ByteStreamDecodeFilter\n",
513 (double) image->columns,(double) image->rows);
517 (void) WriteBlobString(image,buffer);
518 (void) WriteBlobString(image,"/ReusableStreamDecode filter\n");
519 mask_image=SeparateImage(image,AlphaChannel,exception);
520 if (mask_image == (Image *) NULL)
521 ThrowWriterException(CoderError,exception->reason);
522 (void) SetImageType(mask_image,BilevelType,exception);
523 (void) SetImageType(mask_image,PaletteType,exception);
524 mask_image->alpha_trait=UndefinedPixelTrait;
525 pixels=(unsigned char *) NULL;
532 status=SerializeImageChannel(image_info,mask_image,&pixels,&length,
534 if (status == MagickFalse)
536 Ascii85Initialize(image);
537 for (i=0; i < (ssize_t) length; i++)
538 Ascii85Encode(image,pixels[i]);
540 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
544 case Group4Compression:
546 if ((compression == FaxCompression) ||
547 (LocaleCompare(CCITTParam,"0") == 0))
548 status=HuffmanEncodeImage(image_info,image,mask_image,exception);
550 status=Huffman2DEncodeImage(image_info,image,mask_image,exception);
555 status=SerializeImageChannel(image_info,mask_image,&pixels,&length,
557 if (status == MagickFalse)
559 status=LZWEncodeImage(image,length,pixels,exception);
560 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
565 status=SerializeImageChannel(image_info,mask_image,&pixels,&length,
567 if (status == MagickFalse)
569 status=PackbitsEncodeImage(image,length,pixels,exception);
570 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
575 status=SerializeImageChannel(image_info,mask_image,&pixels,&length,
577 if (status == MagickFalse)
579 status=ZLIBEncodeImage(image,length,pixels,exception);
580 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
584 mask_image=DestroyImage(mask_image);
585 (void) WriteBlobByte(image,'\n');
586 length=(size_t) (TellBlob(image)-stop);
587 stop=TellBlob(image);
588 offset=SeekBlob(image,start,SEEK_SET);
590 ThrowWriterException(CorruptImageError,"ImproperImageHeader");
591 (void) FormatLocaleString(buffer,MaxTextExtent,
592 "%%%%BeginData:%13ld %s Bytes\n",(long) length,
593 compression == NoCompression ? "ASCII" : "BINARY");
594 (void) WriteBlobString(image,buffer);
595 offset=SeekBlob(image,stop,SEEK_SET);
597 ThrowWriterException(CorruptImageError,"ImproperImageHeader");
598 (void) WriteBlobString(image,"%%EndData\n");
599 (void) WriteBlobString(image, "/mask_stream exch def\n");
603 static MagickBooleanType WritePS3Image(const ImageInfo *image_info,Image *image,
604 ExceptionInfo *exception)
609 "/ByteStreamDecodeFilter",
614 " z "PS3_NoCompression" eq { /ASCII85Decode filter } if",
615 " z "PS3_FaxCompression" eq",
622 " /CCITTFaxDecode filter",
624 " z "PS3_JPEGCompression" eq { /DCTDecode filter } if",
625 " z "PS3_LZWCompression" eq { /LZWDecode filter } if",
626 " z "PS3_RLECompression" eq { /RunLengthDecode filter } if",
627 " z "PS3_ZipCompression" eq { /FlateDecode filter } if",
630 "/DirectClassImageDict",
632 " colorspace "PS3_RGBColorspace" eq",
634 " /DeviceRGB setcolorspace",
639 " /BitsPerComponent 8",
640 " /DataSource pixel_stream",
641 " /MultipleDataSources false",
642 " /ImageMatrix [columns 0 0 rows neg 0 rows]",
643 " /Decode [0 1 0 1 0 1]",
647 " /DeviceCMYK setcolorspace",
652 " /BitsPerComponent 8",
653 " /DataSource pixel_stream",
654 " /MultipleDataSources false",
655 " /ImageMatrix [columns 0 0 rows neg 0 rows]",
657 " compression "PS3_JPEGCompression" eq",
658 " { [1 0 1 0 1 0 1 0] }",
659 " { [0 1 0 1 0 1 0 1] }",
666 "/PseudoClassImageDict",
668 " % Colors in colormap image.",
669 " currentfile buffer readline pop",
670 " token pop /colors exch def pop",
673 " % Depth of grayscale image.",
674 " currentfile buffer readline pop",
675 " token pop /bits exch def pop",
676 " /DeviceGray setcolorspace",
681 " /BitsPerComponent bits",
683 " /ImageMatrix [columns 0 0 rows neg 0 rows]",
684 " /DataSource pixel_stream",
689 " /colormap colors 3 mul string def",
690 " compression "PS3_NoCompression" eq",
691 " { currentfile /ASCII85Decode filter colormap readstring pop pop }",
692 " { currentfile colormap readstring pop pop }",
694 " [ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace",
699 " /BitsPerComponent 8",
701 " /ImageMatrix [columns 0 0 rows neg 0 rows]",
702 " /DataSource pixel_stream",
708 "/NonMaskedImageDict",
710 " class "PS3_PseudoClass" eq",
711 " { PseudoClassImageDict }",
712 " { DirectClassImageDict }",
720 " /InterleaveType 3",
721 " /DataDict NonMaskedImageDict",
727 " /BitsPerComponent 1",
728 " /DataSource mask_stream",
729 " /MultipleDataSources false",
730 " /ImageMatrix [ columns 0 0 rows neg 0 rows]",
742 " /buffer 512 string def",
744 " currentfile buffer readline pop",
745 " token pop /x exch def",
746 " token pop /y exch def pop",
748 " % Image size and font size.",
749 " currentfile buffer readline pop",
750 " token pop /x exch def",
751 " token pop /y exch def pop",
752 " currentfile buffer readline pop",
753 " token pop /pointsize exch def pop",
760 " currentfile buffer readline pop",
761 " token pop /clipped exch def pop",
763 " currentfile buffer readline pop",
764 " token pop /sp exch def pop",
765 " % Image pixel size.",
766 " currentfile buffer readline pop",
767 " token pop /columns exch def",
768 " token pop /rows exch def pop",
769 " % Colorspace (RGB/CMYK).",
770 " currentfile buffer readline pop",
771 " token pop /colorspace exch def pop",
773 " currentfile buffer readline pop",
774 " token pop /alpha exch def pop",
776 " currentfile buffer readline pop",
777 " token pop /stencil exch def pop",
778 " % Image class (direct/pseudo).",
779 " currentfile buffer readline pop",
780 " token pop /class exch def pop",
781 " % Compression type.",
782 " currentfile buffer readline pop",
783 " token pop /compression exch def pop",
784 " % Clip and render.",
785 " /pixel_stream currentfile columns rows compression ByteStreamDecodeFilter def",
786 " clipped { ClipImage } if",
787 " alpha stencil not and",
788 " { MaskedImageDict mask_stream resetfile }",
789 " { NonMaskedImageDict }",
791 " stencil { 0 setgray imagemask } { image } ifelse",
793 " sp { showpage } if",
799 buffer[MaxTextExtent],
802 page_geometry[MaxTextExtent];
862 Open output image file.
864 assert(image_info != (const ImageInfo *) NULL);
865 assert(image_info->signature == MagickSignature);
866 assert(image != (Image *) NULL);
867 assert(image->signature == MagickSignature);
868 if (image->debug != MagickFalse)
869 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
870 assert(exception != (ExceptionInfo *) NULL);
871 assert(exception->signature == MagickSignature);
872 status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
873 if (status == MagickFalse)
875 compression=image->compression;
876 if (image_info->compression != UndefinedCompression)
877 compression=image_info->compression;
881 case Group4Compression:
883 if ((IsImageMonochrome(image,exception) == MagickFalse) ||
884 (image->alpha_trait == BlendPixelTrait))
885 compression=RLECompression;
888 #if !defined(MAGICKCORE_JPEG_DELEGATE)
889 case JPEGCompression:
891 compression=RLECompression;
892 (void) ThrowMagickException(exception,GetMagickModule(),
893 MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (JPEG)",
898 #if !defined(MAGICKCORE_ZLIB_DELEGATE)
901 compression=RLECompression;
902 (void) ThrowMagickException(exception,GetMagickModule(),
903 MissingDelegateError,"DelegateLibrarySupportNotBuiltIn","`%s' (ZLIB)",
911 (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
917 Scale relative to dots-per-inch.
919 delta.x=DefaultResolution;
920 delta.y=DefaultResolution;
921 resolution.x=image->resolution.x;
922 resolution.y=image->resolution.y;
923 if ((resolution.x == 0.0) || (resolution.y == 0.0))
925 flags=ParseGeometry(PSDensityGeometry,&geometry_info);
926 resolution.x=geometry_info.rho;
927 resolution.y=geometry_info.sigma;
928 if ((flags & SigmaValue) == 0)
929 resolution.y=resolution.x;
931 if (image_info->density != (char *) NULL)
933 flags=ParseGeometry(image_info->density,&geometry_info);
934 resolution.x=geometry_info.rho;
935 resolution.y=geometry_info.sigma;
936 if ((flags & SigmaValue) == 0)
937 resolution.y=resolution.x;
939 if (image->units == PixelsPerCentimeterResolution)
941 resolution.x=(size_t) (100.0*2.54*resolution.x+0.5)/100.0;
942 resolution.y=(size_t) (100.0*2.54*resolution.y+0.5)/100.0;
944 SetGeometry(image,&geometry);
945 (void) FormatLocaleString(page_geometry,MaxTextExtent,"%.20gx%.20g",
946 (double) image->columns,(double) image->rows);
947 if (image_info->page != (char *) NULL)
948 (void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
950 if ((image->page.width != 0) && (image->page.height != 0))
951 (void) FormatLocaleString(page_geometry,MaxTextExtent,
952 "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double)
953 image->page.height,(double) image->page.x,(double) image->page.y);
955 if ((image->gravity != UndefinedGravity) &&
956 (LocaleCompare(image_info->magick,"PS") == 0))
957 (void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
958 (void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
959 (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
960 &geometry.width,&geometry.height);
961 scale.x=(double) (geometry.width*delta.x)/resolution.x;
962 geometry.width=(size_t) floor(scale.x+0.5);
963 scale.y=(double) (geometry.height*delta.y)/resolution.y;
964 geometry.height=(size_t) floor(scale.y+0.5);
965 (void) ParseAbsoluteGeometry(page_geometry,&media_info);
966 (void) ParseGravityGeometry(image,page_geometry,&page_info,exception);
967 if (image->gravity != UndefinedGravity)
969 geometry.x=(-page_info.x);
970 geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
973 if (image_info->pointsize != 0.0)
974 pointsize=image_info->pointsize;
976 value=GetImageProperty(image,"label",exception);
977 if (value != (const char *) NULL)
978 text_size=(size_t) (MultilineCensus(value)*pointsize+12);
983 Postscript header on the first page.
985 if (LocaleCompare(image_info->magick,"PS3") == 0)
986 (void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MaxTextExtent);
988 (void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
990 (void) WriteBlobString(image,buffer);
991 (void) FormatLocaleString(buffer,MaxTextExtent,
992 "%%%%Creator: ImageMagick %s\n",MagickLibVersionText);
993 (void) WriteBlobString(image,buffer);
994 (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Title: %s\n",
996 (void) WriteBlobString(image,buffer);
997 timer=time((time_t *) NULL);
998 (void) FormatMagickTime(timer,MaxTextExtent,date);
999 (void) FormatLocaleString(buffer,MaxTextExtent,
1000 "%%%%CreationDate: %s\n",date);
1001 (void) WriteBlobString(image,buffer);
1002 bounds.x1=(double) geometry.x;
1003 bounds.y1=(double) geometry.y;
1004 bounds.x2=(double) geometry.x+scale.x;
1005 bounds.y2=(double) geometry.y+scale.y+text_size;
1006 if ((image_info->adjoin != MagickFalse) &&
1007 (GetNextImageInList(image) != (Image *) NULL))
1009 (void) WriteBlobString(image,"%%BoundingBox: (atend)\n");
1010 (void) WriteBlobString(image,"%%HiResBoundingBox: (atend)\n");
1014 (void) FormatLocaleString(buffer,MaxTextExtent,
1015 "%%%%BoundingBox: %g %g %g %g\n",ceil(bounds.x1-0.5),
1016 ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
1017 (void) WriteBlobString(image,buffer);
1018 (void) FormatLocaleString(buffer,MaxTextExtent,
1019 "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,
1020 bounds.y1,bounds.x2,bounds.y2);
1021 (void) WriteBlobString(image,buffer);
1022 if (image->colorspace == CMYKColorspace)
1023 (void) WriteBlobString(image,
1024 "%%DocumentProcessColors: Cyan Magenta Yellow Black\n");
1026 if (IsImageGray(image,exception) != MagickFalse)
1027 (void) WriteBlobString(image,
1028 "%%DocumentProcessColors: Black\n");
1033 value=GetImageProperty(image,"label",exception);
1034 if (value != (const char *) NULL)
1035 (void) WriteBlobString(image,
1036 "%%DocumentNeededResources: font Helvetica\n");
1037 (void) WriteBlobString(image,"%%LanguageLevel: 3\n");
1039 Pages, orientation and order.
1041 if (LocaleCompare(image_info->magick,"PS3") != 0)
1042 (void) WriteBlobString(image,"%%Pages: 1\n");
1045 (void) WriteBlobString(image,"%%Orientation: Portrait\n");
1046 (void) WriteBlobString(image,"%%PageOrder: Ascend\n");
1047 if (image_info->adjoin == MagickFalse)
1048 (void) CopyMagickString(buffer,"%%Pages: 1\n",MaxTextExtent);
1050 (void) FormatLocaleString(buffer,MaxTextExtent,
1051 "%%%%Pages: %.20g\n",(double) GetImageListLength(image));
1052 (void) WriteBlobString(image,buffer);
1054 (void) WriteBlobString(image,"%%EndComments\n");
1056 The static postscript procedures prolog.
1058 (void)WriteBlobString(image,"%%BeginProlog\n");
1059 for (q=PostscriptProlog; *q; q++)
1061 (void) WriteBlobString(image,*q);
1062 (void) WriteBlobByte(image,'\n');
1065 One label line for each line in label string.
1067 value=GetImageProperty(image,"label",exception);
1068 if (value != (const char *) NULL)
1070 (void) WriteBlobString(image,"\n %% Labels.\n /Helvetica "
1071 " findfont pointsize scalefont setfont\n");
1072 for (i=(ssize_t) MultilineCensus(value)-1; i >= 0; i--)
1074 (void) WriteBlobString(image,
1075 " currentfile buffer readline pop token pop\n");
1076 (void) FormatLocaleString(buffer,MaxTextExtent,
1077 " 0 y %g add moveto show pop\n",i*pointsize+12);
1078 (void) WriteBlobString(image,buffer);
1082 The static postscript procedures epilog.
1084 for (q=PostscriptEpilog; *q; q++)
1086 (void) WriteBlobString(image,*q);
1087 (void) WriteBlobByte(image,'\n');
1089 (void)WriteBlobString(image,"%%EndProlog\n");
1091 (void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Page: 1 %.20g\n",
1093 (void) WriteBlobString(image,buffer);
1097 (void) FormatLocaleString(buffer,MaxTextExtent,
1098 "%%%%PageBoundingBox: %.20g %.20g %.20g %.20g\n",(double) geometry.x,
1099 (double) geometry.y,geometry.x+(double) geometry.width,geometry.y+
1100 (double) (geometry.height+text_size));
1101 (void) WriteBlobString(image,buffer);
1103 Page process colors if not RGB.
1105 if (image->colorspace == CMYKColorspace)
1106 (void) WriteBlobString(image,
1107 "%%PageProcessColors: Cyan Magenta Yellow Black\n");
1109 if (IsImageGray(image,exception) != MagickFalse)
1110 (void) WriteBlobString(image,"%%PageProcessColors: Black\n");
1112 Adjust document bounding box to bound page bounding box.
1114 if ((double) geometry.x < bounds.x1)
1115 bounds.x1=(double) geometry.x;
1116 if ((double) geometry.y < bounds.y1)
1117 bounds.y1=(double) geometry.y;
1118 if ((double) (geometry.x+scale.x) > bounds.x2)
1119 bounds.x2=(double) geometry.x+scale.x;
1120 if ((double) (geometry.y+scale.y+text_size) > bounds.y2)
1121 bounds.y2=(double) geometry.y+scale.y+text_size;
1123 Page font resource if there's a label.
1125 value=GetImageProperty(image,"label",exception);
1126 if (value != (const char *) NULL)
1127 (void) WriteBlobString(image,"%%PageResources: font Helvetica\n");
1129 PS clipping path from Photoshop clipping path.
1131 if ((image->mask != MagickFalse) ||
1132 (LocaleNCompare("8BIM:",image->magick_filename,5) != 0))
1133 (void) WriteBlobString(image,"/ClipImage {} def\n");
1139 value=GetImageProperty(image,image->magick_filename,exception);
1140 if (value == (const char *) NULL)
1141 return(MagickFalse);
1142 (void) WriteBlobString(image,value);
1143 (void) WriteBlobByte(image,'\n');
1146 Push a dictionary for our own def's if this an EPS.
1148 if (LocaleCompare(image_info->magick,"PS3") != 0)
1149 (void) WriteBlobString(image,"userdict begin\n");
1153 if ((image->alpha_trait == BlendPixelTrait) &&
1154 (WritePS3MaskImage(image_info,image,compression,exception) == MagickFalse))
1156 (void) CloseBlob(image);
1157 return(MagickFalse);
1160 Remember position of BeginData comment so we can update it.
1162 start=TellBlob(image);
1163 (void) FormatLocaleString(buffer,MaxTextExtent,
1164 "%%%%BeginData:%13ld %s Bytes\n",0L,
1165 compression == NoCompression ? "ASCII" : "BINARY");
1166 (void) WriteBlobString(image,buffer);
1167 stop=TellBlob(image);
1168 (void) WriteBlobString(image,"DisplayImage\n");
1170 Translate, scale, and font point size.
1172 (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%g %g\n%g\n",
1173 (double) geometry.x,(double) geometry.y,scale.x,scale.y,pointsize);
1174 (void) WriteBlobString(image,buffer);
1178 labels=(char **) NULL;
1179 value=GetImageProperty(image,"label",exception);
1180 if (value != (const char *) NULL)
1181 labels=StringToList(value);
1182 if (labels != (char **) NULL)
1184 for (i=0; labels[i] != (char *) NULL; i++)
1186 if (compression != NoCompression)
1188 for (j=0; labels[i][j] != '\0'; j++)
1189 (void) WriteBlobByte(image,(unsigned char) labels[i][j]);
1190 (void) WriteBlobByte(image,'\n');
1194 (void) WriteBlobString(image,"<~");
1195 Ascii85Initialize(image);
1196 for (j=0; labels[i][j] != '\0'; j++)
1197 Ascii85Encode(image,(unsigned char) labels[i][j]);
1198 Ascii85Flush(image);
1200 labels[i]=DestroyString(labels[i]);
1202 labels=(char **) RelinquishMagickMemory(labels);
1205 Photoshop clipping path active?
1207 if ((image->mask != MagickFalse) &&
1208 (LocaleNCompare("8BIM:",image->magick_filename,5) == 0))
1209 (void) WriteBlobString(image,"true\n");
1211 (void) WriteBlobString(image,"false\n");
1213 Showpage for non-EPS.
1215 (void) WriteBlobString(image, LocaleCompare(image_info->magick,"PS3") == 0 ?
1216 "true\n" : "false\n");
1218 Image columns, rows, and color space.
1220 (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%s\n",
1221 (double) image->columns,(double) image->rows,image->colorspace ==
1222 CMYKColorspace ? PS3_CMYKColorspace : PS3_RGBColorspace);
1223 (void) WriteBlobString(image,buffer);
1227 (void) WriteBlobString(image,image->alpha_trait == BlendPixelTrait ?
1228 "true\n" : "false\n");
1230 Render with imagemask operator?
1232 option=GetImageOption(image_info,"ps3:imagemask");
1233 (void) WriteBlobString(image,((option != (const char *) NULL) &&
1234 (IsImageMonochrome(image,exception) != MagickFalse)) ?
1235 "true\n" : "false\n");
1239 pixels=(unsigned char *) NULL;
1241 if ((image_info->type != TrueColorType) &&
1242 (image_info->type != TrueColorMatteType) &&
1243 (image_info->type != ColorSeparationType) &&
1244 (image_info->type != ColorSeparationMatteType) &&
1245 (image->colorspace != CMYKColorspace) &&
1246 ((IsImageGray(image,exception) != MagickFalse) ||
1247 (IsImageMonochrome(image,exception) != MagickFalse)))
1252 (void) WriteBlobString(image,PS3_PseudoClass"\n");
1253 switch (compression)
1258 (void) WriteBlobString(image,PS3_NoCompression"\n");
1261 case FaxCompression:
1262 case Group4Compression:
1264 (void) WriteBlobString(image,PS3_FaxCompression"\n");
1267 case JPEGCompression:
1269 (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1272 case LZWCompression:
1274 (void) WriteBlobString(image,PS3_LZWCompression"\n");
1277 case RLECompression:
1279 (void) WriteBlobString(image,PS3_RLECompression"\n");
1282 case ZipCompression:
1284 (void) WriteBlobString(image,PS3_ZipCompression"\n");
1289 Number of colors -- 0 for single component non-color mapped data.
1291 (void) WriteBlobString(image,"0\n");
1293 1 bit or 8 bit components?
1295 (void) FormatLocaleString(buffer,MaxTextExtent,"%d\n",
1296 IsImageMonochrome(image,exception) != MagickFalse ? 1 : 8);
1297 (void) WriteBlobString(image,buffer);
1301 if (compression == JPEGCompression)
1302 status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1304 if ((compression == FaxCompression) ||
1305 (compression == Group4Compression))
1307 if (LocaleCompare(CCITTParam,"0") == 0)
1308 status=HuffmanEncodeImage(image_info,image,image,exception);
1310 status=Huffman2DEncodeImage(image_info,image,image,exception);
1314 status=SerializeImageChannel(image_info,image,&pixels,&length,
1316 if (status == MagickFalse)
1318 (void) CloseBlob(image);
1319 return(MagickFalse);
1321 switch (compression)
1326 Ascii85Initialize(image);
1327 for (i=0; i < (ssize_t) length; i++)
1328 Ascii85Encode(image,pixels[i]);
1329 Ascii85Flush(image);
1333 case LZWCompression:
1335 status=LZWEncodeImage(image,length,pixels,exception);
1338 case RLECompression:
1340 status=PackbitsEncodeImage(image,length,pixels,exception);
1343 case ZipCompression:
1345 status=ZLIBEncodeImage(image,length,pixels,exception);
1349 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1353 if ((image->storage_class == DirectClass) || (image->colors > 256) ||
1354 (compression == JPEGCompression))
1359 (void) WriteBlobString(image,PS3_DirectClass"\n");
1360 switch (compression)
1365 (void) WriteBlobString(image,PS3_NoCompression"\n");
1368 case RLECompression:
1370 (void) WriteBlobString(image,PS3_RLECompression"\n");
1373 case JPEGCompression:
1375 (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1378 case LZWCompression:
1380 (void) WriteBlobString(image,PS3_LZWCompression"\n");
1383 case ZipCompression:
1385 (void) WriteBlobString(image,PS3_ZipCompression"\n");
1392 if (compression == JPEGCompression)
1393 status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1397 Stream based compressions.
1399 status=SerializeImage(image_info,image,&pixels,&length,exception);
1400 if (status == MagickFalse)
1402 (void) CloseBlob(image);
1403 return(MagickFalse);
1405 switch (compression)
1410 Ascii85Initialize(image);
1411 for (i=0; i < (ssize_t) length; i++)
1412 Ascii85Encode(image,pixels[i]);
1413 Ascii85Flush(image);
1417 case RLECompression:
1419 status=PackbitsEncodeImage(image,length,pixels,exception);
1422 case LZWCompression:
1424 status=LZWEncodeImage(image,length,pixels,exception);
1427 case ZipCompression:
1429 status=ZLIBEncodeImage(image,length,pixels,exception);
1433 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1441 (void) WriteBlobString(image,PS3_PseudoClass"\n");
1442 switch (compression)
1447 (void) WriteBlobString(image,PS3_NoCompression"\n");
1450 case JPEGCompression:
1452 (void) WriteBlobString(image,PS3_JPEGCompression"\n");
1455 case RLECompression:
1457 (void) WriteBlobString(image,PS3_RLECompression"\n");
1460 case LZWCompression:
1462 (void) WriteBlobString(image,PS3_LZWCompression"\n");
1465 case ZipCompression:
1467 (void) WriteBlobString(image,PS3_ZipCompression"\n");
1472 Number of colors in color map.
1474 (void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",
1475 (double) image->colors);
1476 (void) WriteBlobString(image,buffer);
1478 Color map - uncompressed.
1480 if ((compression != NoCompression) &&
1481 (compression != UndefinedCompression))
1483 for (i=0; i < (ssize_t) image->colors; i++)
1485 pixel=ScaleQuantumToChar(image->colormap[i].red);
1486 (void) WriteBlobByte(image,(unsigned char) pixel);
1487 pixel=ScaleQuantumToChar(image->colormap[i].green);
1488 (void) WriteBlobByte(image,(unsigned char) pixel);
1489 pixel=ScaleQuantumToChar(image->colormap[i].blue);
1490 (void) WriteBlobByte(image,(unsigned char) pixel);
1495 Ascii85Initialize(image);
1496 for (i=0; i < (ssize_t) image->colors; i++)
1498 pixel=ScaleQuantumToChar(image->colormap[i].red);
1499 Ascii85Encode(image,(unsigned char) pixel);
1500 pixel=ScaleQuantumToChar(image->colormap[i].green);
1501 Ascii85Encode(image,(unsigned char) pixel);
1502 pixel=ScaleQuantumToChar(image->colormap[i].blue);
1503 Ascii85Encode(image,(unsigned char) pixel);
1505 Ascii85Flush(image);
1507 status=SerializeImageIndexes(image_info,image,&pixels,&length,
1509 if (status == MagickFalse)
1511 (void) CloseBlob(image);
1512 return(MagickFalse);
1514 switch (compression)
1519 Ascii85Initialize(image);
1520 for (i=0; i < (ssize_t) length; i++)
1521 Ascii85Encode(image,pixels[i]);
1522 Ascii85Flush(image);
1526 case JPEGCompression:
1528 status=InjectImageBlob(image_info,image,image,"jpeg",exception);
1531 case RLECompression:
1533 status=PackbitsEncodeImage(image,length,pixels,exception);
1536 case LZWCompression:
1538 status=LZWEncodeImage(image,length,pixels,exception);
1541 case ZipCompression:
1543 status=ZLIBEncodeImage(image,length,pixels,exception);
1547 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1549 (void) WriteBlobByte(image,'\n');
1550 if (status == MagickFalse)
1552 (void) CloseBlob(image);
1553 return(MagickFalse);
1556 Update BeginData now that we know the data size.
1558 length=(size_t) (TellBlob(image)-stop);
1559 stop=TellBlob(image);
1560 offset=SeekBlob(image,start,SEEK_SET);
1562 ThrowWriterException(CorruptImageError,"ImproperImageHeader");
1563 (void) FormatLocaleString(buffer,MaxTextExtent,
1564 "%%%%BeginData:%13ld %s Bytes\n",(long) length,
1565 compression == NoCompression ? "ASCII" : "BINARY");
1566 (void) WriteBlobString(image,buffer);
1567 offset=SeekBlob(image,stop,SEEK_SET);
1568 (void) WriteBlobString(image,"%%EndData\n");
1570 End private dictionary if this an EPS.
1572 if (LocaleCompare(image_info->magick,"PS3") != 0)
1573 (void) WriteBlobString(image,"end\n");
1574 (void) WriteBlobString(image,"%%PageTrailer\n");
1575 if (GetNextImageInList(image) == (Image *) NULL)
1577 image=SyncNextImageInList(image);
1578 status=SetImageProgress(image,SaveImagesTag,scene++,
1579 GetImageListLength(image));
1580 if (status == MagickFalse)
1582 } while (image_info->adjoin != MagickFalse);
1583 (void) WriteBlobString(image,"%%Trailer\n");
1586 (void) FormatLocaleString(buffer,MaxTextExtent,
1587 "%%%%BoundingBox: %g %g %g %g\n",ceil(bounds.x1-0.5),
1588 ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
1589 (void) WriteBlobString(image,buffer);
1590 (void) FormatLocaleString(buffer,MaxTextExtent,
1591 "%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,bounds.x2,
1593 (void) WriteBlobString(image,buffer);
1595 (void) WriteBlobString(image,"%%EOF\n");
1596 (void) CloseBlob(image);