forked from openkylin/imagemagick
2177 lines
74 KiB
C
2177 lines
74 KiB
C
/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% PPPP SSSSS %
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% P P SS %
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% PPPP SSS %
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% P SS %
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% P SSSSS %
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% %
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% %
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% Read/Write Postscript Format %
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% %
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% Software Design %
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% Cristy %
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% July 1992 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% https://imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "magick/studio.h"
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#include "magick/artifact.h"
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#include "magick/attribute.h"
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#include "magick/blob.h"
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#include "magick/blob-private.h"
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#include "magick/cache.h"
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#include "magick/color.h"
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#include "magick/color-private.h"
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#include "magick/colorspace.h"
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#include "magick/colorspace-private.h"
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#include "magick/constitute.h"
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#include "magick/delegate.h"
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#include "magick/delegate-private.h"
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#include "magick/draw.h"
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#include "magick/exception.h"
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#include "magick/exception-private.h"
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#include "magick/geometry.h"
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#include "magick/image.h"
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#include "magick/image-private.h"
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#include "magick/list.h"
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#include "magick/magick.h"
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#include "magick/memory_.h"
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#include "magick/module.h"
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#include "magick/monitor.h"
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#include "magick/monitor-private.h"
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#include "magick/nt-base-private.h"
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#include "magick/option.h"
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#include "magick/profile.h"
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#include "magick/pixel-accessor.h"
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#include "magick/pixel-private.h"
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#include "magick/property.h"
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#include "magick/quantum-private.h"
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#include "magick/resource_.h"
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#include "magick/static.h"
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#include "magick/string_.h"
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#include "magick/string-private.h"
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#include "magick/timer-private.h"
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#include "magick/token.h"
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#include "magick/transform.h"
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#include "magick/utility.h"
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#include "coders/bytebuffer-private.h"
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#include "coders/ghostscript-private.h"
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/*
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Typedef declaractions.
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*/
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typedef struct _PSInfo
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{
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MagickBooleanType
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cmyk;
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SegmentInfo
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bounds;
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unsigned long
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columns,
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rows;
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StringInfo
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*icc_profile,
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*photoshop_profile,
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*xmp_profile;
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} PSInfo;
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/*
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Forward declarations.
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*/
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static MagickBooleanType
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WritePSImage(const ImageInfo *,Image *);
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% I s P S %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% IsPS() returns MagickTrue if the image format type, identified by the
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% magick string, is PS.
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%
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% The format of the IsPS method is:
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%
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% MagickBooleanType IsPS(const unsigned char *magick,const size_t length)
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%
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% A description of each parameter follows:
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%
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% o magick: compare image format pattern against these bytes.
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%
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% o length: Specifies the length of the magick string.
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%
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*/
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static MagickBooleanType IsPS(const unsigned char *magick,const size_t length)
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{
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if (length < 4)
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return(MagickFalse);
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if (memcmp(magick,"%!",2) == 0)
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return(MagickTrue);
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if (memcmp(magick,"\004%!",3) == 0)
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return(MagickTrue);
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return(MagickFalse);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% R e a d P S I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% ReadPSImage() reads a Postscript image file and returns it. It allocates
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% the memory necessary for the new Image structure and returns a pointer
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% to the new image.
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%
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% The format of the ReadPSImage method is:
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%
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% Image *ReadPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
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%
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% A description of each parameter follows:
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%
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% o image_info: the image info.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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static inline int ProfileInteger(MagickByteBuffer *buffer,short int *hex_digits)
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{
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int
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c,
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l,
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value;
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ssize_t
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i;
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l=0;
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value=0;
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for (i=0; i < 2; )
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{
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c=ReadMagickByteBuffer(buffer);
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if ((c == EOF) || ((c == '%') && (l == '%')))
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{
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value=(-1);
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break;
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}
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l=c;
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c&=0xff;
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if (isxdigit(c) == MagickFalse)
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continue;
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value=(int) ((size_t) value << 4)+hex_digits[c];
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i++;
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}
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return(value);
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}
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static void ReadPSInfo(const ImageInfo *image_info,Image *image,
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PSInfo *ps_info)
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{
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#define BeginDocument "BeginDocument:"
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#define EndDocument "EndDocument:"
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#define PostscriptLevel "PS-"
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#define ImageData "ImageData:"
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#define DocumentProcessColors "DocumentProcessColors:"
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#define CMYKCustomColor "CMYKCustomColor:"
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#define CMYKProcessColor "CMYKProcessColor:"
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#define DocumentCustomColors "DocumentCustomColors:"
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#define SpotColor "+ "
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#define BoundingBox "BoundingBox:"
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#define DocumentMedia "DocumentMedia:"
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#define HiResBoundingBox "HiResBoundingBox:"
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#define PageBoundingBox "PageBoundingBox:"
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#define PageMedia "PageMedia:"
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#define ICCProfile "BeginICCProfile:"
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#define PhotoshopProfile "BeginPhotoshop:"
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char
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version[MagickPathExtent];
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int
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c;
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MagickBooleanType
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new_line,
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skip;
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MagickByteBuffer
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buffer;
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char
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*p;
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ssize_t
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i;
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SegmentInfo
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bounds;
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size_t
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length;
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ssize_t
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count,
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priority;
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short int
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hex_digits[256];
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unsigned long
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spotcolor;
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(void) memset(&bounds,0,sizeof(bounds));
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(void) memset(ps_info,0,sizeof(*ps_info));
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ps_info->cmyk=image_info->colorspace == CMYKColorspace ? MagickTrue :
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MagickFalse;
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/*
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Initialize hex values.
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*/
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(void) memset(hex_digits,0,sizeof(hex_digits));
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hex_digits[(int) '0']=0;
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hex_digits[(int) '1']=1;
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hex_digits[(int) '2']=2;
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hex_digits[(int) '3']=3;
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hex_digits[(int) '4']=4;
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hex_digits[(int) '5']=5;
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hex_digits[(int) '6']=6;
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hex_digits[(int) '7']=7;
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hex_digits[(int) '8']=8;
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hex_digits[(int) '9']=9;
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hex_digits[(int) 'a']=10;
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hex_digits[(int) 'b']=11;
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hex_digits[(int) 'c']=12;
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hex_digits[(int) 'd']=13;
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hex_digits[(int) 'e']=14;
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hex_digits[(int) 'f']=15;
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hex_digits[(int) 'A']=10;
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hex_digits[(int) 'B']=11;
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hex_digits[(int) 'C']=12;
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hex_digits[(int) 'D']=13;
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hex_digits[(int) 'E']=14;
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hex_digits[(int) 'F']=15;
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priority=0;
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*version='\0';
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spotcolor=0;
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skip=MagickFalse;
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new_line=MagickTrue;
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(void) memset(&buffer,0,sizeof(buffer));
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buffer.image=image;
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for (c=ReadMagickByteBuffer(&buffer); c != EOF; c=ReadMagickByteBuffer(&buffer))
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{
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switch(c)
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{
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case '<':
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{
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ReadGhostScriptXMPProfile(&buffer,&ps_info->xmp_profile);
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continue;
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}
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case '\n':
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case '\r':
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new_line=MagickTrue;
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continue;
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case '%':
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{
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if (new_line == MagickFalse)
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continue;
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new_line=MagickFalse;
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c=ReadMagickByteBuffer(&buffer);
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if ((c == '%') || (c == '!'))
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break;
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if (c == 'B')
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{
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buffer.offset--;
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break;
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}
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continue;
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}
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default:
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continue;
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}
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/*
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Skip %%BeginDocument thru %%EndDocument.
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*/
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if (CompareMagickByteBuffer(&buffer,BeginDocument,strlen(BeginDocument)) != MagickFalse)
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skip=MagickTrue;
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if (CompareMagickByteBuffer(&buffer,EndDocument,strlen(EndDocument)) != MagickFalse)
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skip=MagickFalse;
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if (skip != MagickFalse)
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continue;
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if ((*version == '\0') &&
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(CompareMagickByteBuffer(&buffer,PostscriptLevel,strlen(PostscriptLevel)) != MagickFalse))
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{
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i=0;
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for (c=ReadMagickByteBuffer(&buffer); c != EOF; c=ReadMagickByteBuffer(&buffer))
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{
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if ((c == '\r') || (c == '\n') || ((i+1) == sizeof(version)))
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break;
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version[i++]=(char) c;
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}
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version[i]='\0';
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}
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if (CompareMagickByteBuffer(&buffer,ImageData,strlen(ImageData)) != MagickFalse)
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{
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p=GetMagickByteBufferDatum(&buffer);
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(void) sscanf(p,ImageData " %lu %lu",&ps_info->columns,&ps_info->rows);
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}
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/*
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Is this a CMYK document?
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*/
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length=strlen(DocumentProcessColors);
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if (CompareMagickByteBuffer(&buffer,DocumentProcessColors,length) != MagickFalse)
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{
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p=GetMagickByteBufferDatum(&buffer);
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if ((StringLocateSubstring(p,"Cyan") != (char *) NULL) ||
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(StringLocateSubstring(p,"Magenta") != (char *) NULL) ||
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(StringLocateSubstring(p,"Yellow") != (char *) NULL))
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ps_info->cmyk=MagickTrue;
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}
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if (CompareMagickByteBuffer(&buffer,CMYKCustomColor,strlen(CMYKCustomColor)) != MagickFalse)
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ps_info->cmyk=MagickTrue;
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if (CompareMagickByteBuffer(&buffer,CMYKProcessColor,strlen(CMYKProcessColor)) != MagickFalse)
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ps_info->cmyk=MagickTrue;
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length=strlen(DocumentCustomColors);
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if ((CompareMagickByteBuffer(&buffer,DocumentCustomColors,length) != MagickFalse) ||
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(CompareMagickByteBuffer(&buffer,CMYKCustomColor,strlen(CMYKCustomColor)) != MagickFalse) ||
|
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(CompareMagickByteBuffer(&buffer,SpotColor,strlen(SpotColor)) != MagickFalse))
|
||
{
|
||
char
|
||
name[MagickPathExtent],
|
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property[MagickPathExtent],
|
||
*value;
|
||
|
||
/*
|
||
Note spot names.
|
||
*/
|
||
(void) FormatLocaleString(property,MagickPathExtent,
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"pdf:SpotColor-%.20g",(double) spotcolor++);
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i=0;
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for (c=ReadMagickByteBuffer(&buffer); c != EOF; c=ReadMagickByteBuffer(&buffer))
|
||
{
|
||
if ((isspace((int) ((unsigned char) c)) != 0) || ((i+1) == sizeof(name)))
|
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break;
|
||
name[i++]=(char) c;
|
||
}
|
||
name[i]='\0';
|
||
value=ConstantString(name);
|
||
(void) SubstituteString(&value,"(","");
|
||
(void) SubstituteString(&value,")","");
|
||
(void) StripString(value);
|
||
if (*value != '\0')
|
||
(void) SetImageProperty(image,property,value);
|
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value=DestroyString(value);
|
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continue;
|
||
}
|
||
if ((ps_info->icc_profile == (StringInfo *) NULL) &&
|
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(CompareMagickByteBuffer(&buffer,ICCProfile,strlen(ICCProfile)) != MagickFalse))
|
||
{
|
||
unsigned char
|
||
*datum;
|
||
|
||
/*
|
||
Read ICC profile.
|
||
*/
|
||
if (SkipMagickByteBufferUntilNewline(&buffer) != MagickFalse)
|
||
{
|
||
ps_info->icc_profile=AcquireStringInfo(MagickPathExtent);
|
||
datum=GetStringInfoDatum(ps_info->icc_profile);
|
||
for (i=0; (c=ProfileInteger(&buffer,hex_digits)) != EOF; i++)
|
||
{
|
||
if (i >= (ssize_t) GetStringInfoLength(ps_info->icc_profile))
|
||
{
|
||
SetStringInfoLength(ps_info->icc_profile,(size_t) i << 1);
|
||
datum=GetStringInfoDatum(ps_info->icc_profile);
|
||
}
|
||
datum[i]=(unsigned char) c;
|
||
}
|
||
SetStringInfoLength(ps_info->icc_profile,(size_t) i+1);
|
||
}
|
||
continue;
|
||
}
|
||
if ((ps_info->photoshop_profile == (StringInfo *) NULL) &&
|
||
(CompareMagickByteBuffer(&buffer,PhotoshopProfile,strlen(PhotoshopProfile)) != MagickFalse))
|
||
{
|
||
unsigned long
|
||
extent;
|
||
|
||
unsigned char
|
||
*q;
|
||
|
||
/*
|
||
Read Photoshop profile.
|
||
*/
|
||
p=GetMagickByteBufferDatum(&buffer);
|
||
extent=0;
|
||
count=(ssize_t) sscanf(p,PhotoshopProfile " %lu",&extent);
|
||
if ((count != 1) || (extent == 0))
|
||
continue;
|
||
if ((MagickSizeType) extent > GetBlobSize(image))
|
||
continue;
|
||
length=(size_t) extent;
|
||
if (SkipMagickByteBufferUntilNewline(&buffer) != MagickFalse)
|
||
{
|
||
ps_info->photoshop_profile=AcquireStringInfo(length+1U);
|
||
q=GetStringInfoDatum(ps_info->photoshop_profile);
|
||
while (extent > 0)
|
||
{
|
||
c=ProfileInteger(&buffer,hex_digits);
|
||
if (c == EOF)
|
||
break;
|
||
*q++=(unsigned char) c;
|
||
extent-=MagickMin(extent,1);
|
||
}
|
||
SetStringInfoLength(ps_info->photoshop_profile,length);
|
||
continue;
|
||
}
|
||
}
|
||
if (image_info->page != (char *) NULL)
|
||
continue;
|
||
/*
|
||
Note region defined by bounding box.
|
||
*/
|
||
count=0;
|
||
i=0;
|
||
if (CompareMagickByteBuffer(&buffer,BoundingBox,strlen(BoundingBox)) != MagickFalse)
|
||
{
|
||
p=GetMagickByteBufferDatum(&buffer);
|
||
count=(ssize_t) sscanf(p,BoundingBox " %lf %lf %lf %lf",
|
||
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
|
||
i=2;
|
||
}
|
||
if (CompareMagickByteBuffer(&buffer,DocumentMedia,strlen(DocumentMedia)) != MagickFalse)
|
||
{
|
||
p=GetMagickByteBufferDatum(&buffer);
|
||
count=(ssize_t) sscanf(p,DocumentMedia " %lf %lf %lf %lf",
|
||
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
|
||
i=1;
|
||
}
|
||
if (CompareMagickByteBuffer(&buffer,HiResBoundingBox,strlen(HiResBoundingBox)) != MagickFalse)
|
||
{
|
||
p=GetMagickByteBufferDatum(&buffer);
|
||
count=(ssize_t) sscanf(p,HiResBoundingBox " %lf %lf %lf %lf",
|
||
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
|
||
i=3;
|
||
}
|
||
if (CompareMagickByteBuffer(&buffer,PageBoundingBox,strlen(PageBoundingBox)) != MagickFalse)
|
||
{
|
||
p=GetMagickByteBufferDatum(&buffer);
|
||
count=(ssize_t) sscanf(p,PageBoundingBox " %lf %lf %lf %lf",
|
||
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
|
||
i=1;
|
||
}
|
||
if (CompareMagickByteBuffer(&buffer,PageMedia,strlen(PageMedia)) != MagickFalse)
|
||
{
|
||
p=GetMagickByteBufferDatum(&buffer);
|
||
count=(ssize_t) sscanf(p,PageMedia " %lf %lf %lf %lf",
|
||
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
|
||
i=1;
|
||
}
|
||
if ((count != 4) || (i < (ssize_t) priority))
|
||
continue;
|
||
if ((fabs(bounds.x2-bounds.x1) <= fabs(ps_info->bounds.x2-ps_info->bounds.x1)) ||
|
||
(fabs(bounds.y2-bounds.y1) <= fabs(ps_info->bounds.y2-ps_info->bounds.y1)))
|
||
if (i == (ssize_t) priority)
|
||
continue;
|
||
ps_info->bounds=bounds;
|
||
priority=i;
|
||
}
|
||
if (version[0] != '\0')
|
||
(void) SetImageProperty(image,"ps:Level",version);
|
||
}
|
||
|
||
static inline void CleanupPSInfo(PSInfo *pdf_info)
|
||
{
|
||
if (pdf_info->icc_profile != (StringInfo *) NULL)
|
||
pdf_info->icc_profile=DestroyStringInfo(pdf_info->icc_profile);
|
||
if (pdf_info->photoshop_profile != (StringInfo *) NULL)
|
||
pdf_info->photoshop_profile=DestroyStringInfo(pdf_info->photoshop_profile);
|
||
if (pdf_info->xmp_profile != (StringInfo *) NULL)
|
||
pdf_info->xmp_profile=DestroyStringInfo(pdf_info->xmp_profile);
|
||
}
|
||
|
||
static Image *ReadPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
|
||
{
|
||
char
|
||
command[MaxTextExtent],
|
||
*density,
|
||
filename[MaxTextExtent],
|
||
geometry[MaxTextExtent],
|
||
input_filename[MaxTextExtent],
|
||
message[MaxTextExtent],
|
||
*options,
|
||
postscript_filename[MaxTextExtent];
|
||
|
||
const char
|
||
*option;
|
||
|
||
const DelegateInfo
|
||
*delegate_info;
|
||
|
||
GeometryInfo
|
||
geometry_info;
|
||
|
||
Image
|
||
*image,
|
||
*next,
|
||
*postscript_image;
|
||
|
||
ImageInfo
|
||
*read_info;
|
||
|
||
int
|
||
file;
|
||
|
||
MagickBooleanType
|
||
fitPage,
|
||
status;
|
||
|
||
MagickStatusType
|
||
flags;
|
||
|
||
PointInfo
|
||
delta,
|
||
resolution;
|
||
|
||
PSInfo
|
||
info;
|
||
|
||
RectangleInfo
|
||
page;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
ssize_t
|
||
count;
|
||
|
||
unsigned long
|
||
scene;
|
||
|
||
/*
|
||
Open image file.
|
||
*/
|
||
assert(image_info != (const ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickCoreSignature);
|
||
if (image_info->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
||
image_info->filename);
|
||
assert(exception != (ExceptionInfo *) NULL);
|
||
assert(exception->signature == MagickCoreSignature);
|
||
image=AcquireImage(image_info);
|
||
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
|
||
if (status == MagickFalse)
|
||
{
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
status=AcquireUniqueSymbolicLink(image_info->filename,input_filename);
|
||
if (status == MagickFalse)
|
||
{
|
||
ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
|
||
image_info->filename);
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
/*
|
||
Set the page density.
|
||
*/
|
||
delta.x=DefaultResolution;
|
||
delta.y=DefaultResolution;
|
||
if ((image->x_resolution == 0.0) || (image->y_resolution == 0.0))
|
||
{
|
||
flags=ParseGeometry(PSDensityGeometry,&geometry_info);
|
||
image->x_resolution=geometry_info.rho;
|
||
image->y_resolution=geometry_info.sigma;
|
||
if ((flags & SigmaValue) == 0)
|
||
image->y_resolution=image->x_resolution;
|
||
}
|
||
if (image_info->density != (char *) NULL)
|
||
{
|
||
flags=ParseGeometry(image_info->density,&geometry_info);
|
||
image->x_resolution=geometry_info.rho;
|
||
image->y_resolution=geometry_info.sigma;
|
||
if ((flags & SigmaValue) == 0)
|
||
image->y_resolution=image->x_resolution;
|
||
}
|
||
(void) ParseAbsoluteGeometry(PSPageGeometry,&page);
|
||
if (image_info->page != (char *) NULL)
|
||
(void) ParseAbsoluteGeometry(image_info->page,&page);
|
||
resolution.x=image->x_resolution;
|
||
resolution.y=image->y_resolution;
|
||
page.width=(size_t) ((ssize_t) ceil((double) (page.width*
|
||
resolution.x/delta.x)-0.5));
|
||
page.height=(size_t) ((ssize_t) ceil((double) (page.height*
|
||
resolution.y/delta.y)-0.5));
|
||
/*
|
||
Determine page geometry from the Postscript bounding box.
|
||
*/
|
||
ReadPSInfo(image_info,image,&info);
|
||
(void) CloseBlob(image);
|
||
/*
|
||
Set Postscript render geometry.
|
||
*/
|
||
if ((fabs(info.bounds.x2-info.bounds.x1) >= MagickEpsilon) &&
|
||
(fabs(info.bounds.y2-info.bounds.y1) >= MagickEpsilon))
|
||
{
|
||
(void) FormatLocaleString(geometry,MaxTextExtent,"%gx%g%+.15g%+.15g",
|
||
info.bounds.x2-info.bounds.x1,info.bounds.y2-info.bounds.y1,
|
||
info.bounds.x1,info.bounds.y1);
|
||
(void) SetImageProperty(image,"ps:HiResBoundingBox",geometry);
|
||
page.width=(size_t) ((ssize_t) ceil((double) ((info.bounds.x2-
|
||
info.bounds.x1)*resolution.x/delta.x)-0.5));
|
||
page.height=(size_t) ((ssize_t) ceil((double) ((info.bounds.y2-
|
||
info.bounds.y1)*resolution.y/delta.y)-0.5));
|
||
}
|
||
fitPage=MagickFalse;
|
||
option=GetImageOption(image_info,"eps:fit-page");
|
||
if (option != (char *) NULL)
|
||
{
|
||
char
|
||
*geometry;
|
||
|
||
MagickStatusType
|
||
flags;
|
||
|
||
geometry=GetPageGeometry(option);
|
||
flags=ParseMetaGeometry(geometry,&page.x,&page.y,&page.width,
|
||
&page.height);
|
||
if (flags == NoValue)
|
||
{
|
||
(void) ThrowMagickException(exception,GetMagickModule(),OptionError,
|
||
"InvalidGeometry","`%s'",option);
|
||
geometry=DestroyString(geometry);
|
||
image=DestroyImage(image);
|
||
return((Image *) NULL);
|
||
}
|
||
page.width=(size_t) ((size_t) ceil((double) (page.width*
|
||
image->x_resolution/delta.x)-0.5));
|
||
page.height=(size_t) ((size_t) ceil((double) (page.height*
|
||
image->y_resolution/delta.y)-0.5));
|
||
geometry=DestroyString(geometry);
|
||
fitPage=MagickTrue;
|
||
}
|
||
if (IssRGBCompatibleColorspace(image_info->colorspace) != MagickFalse)
|
||
info.cmyk=MagickFalse;
|
||
/*
|
||
Create Ghostscript control file.
|
||
*/
|
||
file=AcquireUniqueFileResource(postscript_filename);
|
||
if (file == -1)
|
||
{
|
||
ThrowFileException(&image->exception,FileOpenError,"UnableToOpenFile",
|
||
image_info->filename);
|
||
CleanupPSInfo(&info);
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
(void) CopyMagickString(command,"/setpagedevice {pop} bind 1 index where {"
|
||
"dup wcheck {3 1 roll put} {pop def} ifelse} {def} ifelse\n",
|
||
MaxTextExtent);
|
||
count=write(file,command,(unsigned int) strlen(command));
|
||
if (image_info->page == (char *) NULL)
|
||
{
|
||
char
|
||
translate_geometry[MaxTextExtent];
|
||
|
||
(void) FormatLocaleString(translate_geometry,MaxTextExtent,
|
||
"%g %g translate\n",-info.bounds.x1,-info.bounds.y1);
|
||
count=write(file,translate_geometry,(unsigned int)
|
||
strlen(translate_geometry));
|
||
}
|
||
(void) count;
|
||
file=close(file)-1;
|
||
/*
|
||
Render Postscript with the Ghostscript delegate.
|
||
*/
|
||
if (image_info->monochrome != MagickFalse)
|
||
delegate_info=GetDelegateInfo("ps:mono",(char *) NULL,exception);
|
||
else
|
||
if (info.cmyk != MagickFalse)
|
||
delegate_info=GetDelegateInfo("ps:cmyk",(char *) NULL,exception);
|
||
else
|
||
delegate_info=GetDelegateInfo("ps:alpha",(char *) NULL,exception);
|
||
if (delegate_info == (const DelegateInfo *) NULL)
|
||
{
|
||
(void) RelinquishUniqueFileResource(postscript_filename);
|
||
CleanupPSInfo(&info);
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
density=AcquireString("");
|
||
options=AcquireString("");
|
||
(void) FormatLocaleString(density,MaxTextExtent,"%gx%g",resolution.x,
|
||
resolution.y);
|
||
if (image_info->ping != MagickFalse)
|
||
(void) FormatLocaleString(density,MagickPathExtent,"2.0x2.0");
|
||
(void) FormatLocaleString(options,MaxTextExtent,"-g%.20gx%.20g ",(double)
|
||
page.width,(double) page.height);
|
||
read_info=CloneImageInfo(image_info);
|
||
*read_info->magick='\0';
|
||
if (read_info->number_scenes != 0)
|
||
{
|
||
char
|
||
pages[MaxTextExtent];
|
||
|
||
(void) FormatLocaleString(pages,MaxTextExtent,"-dFirstPage=%.20g "
|
||
"-dLastPage=%.20g ",(double) read_info->scene+1,(double)
|
||
(read_info->scene+read_info->number_scenes));
|
||
(void) ConcatenateMagickString(options,pages,MaxTextExtent);
|
||
read_info->number_scenes=0;
|
||
if (read_info->scenes != (char *) NULL)
|
||
*read_info->scenes='\0';
|
||
}
|
||
if (*image_info->magick == 'E')
|
||
{
|
||
option=GetImageOption(image_info,"eps:use-cropbox");
|
||
if ((option == (const char *) NULL) ||
|
||
(IsStringTrue(option) != MagickFalse))
|
||
(void) ConcatenateMagickString(options,"-dEPSCrop ",MaxTextExtent);
|
||
if (fitPage != MagickFalse)
|
||
(void) ConcatenateMagickString(options,"-dEPSFitPage ",MaxTextExtent);
|
||
}
|
||
(void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
|
||
(void) AcquireUniqueFilename(filename);
|
||
(void) RelinquishUniqueFileResource(filename);
|
||
(void) ConcatenateMagickString(filename,"%d",MaxTextExtent);
|
||
(void) FormatLocaleString(command,MaxTextExtent,
|
||
GetDelegateCommands(delegate_info),
|
||
read_info->antialias != MagickFalse ? 4 : 1,
|
||
read_info->antialias != MagickFalse ? 4 : 1,density,options,filename,
|
||
postscript_filename,input_filename);
|
||
options=DestroyString(options);
|
||
density=DestroyString(density);
|
||
*message='\0';
|
||
status=InvokeGhostscriptDelegate(read_info->verbose,command,message,
|
||
exception);
|
||
(void) InterpretImageFilename(image_info,image,filename,1,
|
||
read_info->filename);
|
||
if ((status == MagickFalse) ||
|
||
(IsGhostscriptRendered(read_info->filename) == MagickFalse))
|
||
{
|
||
(void) ConcatenateMagickString(command," -c showpage",MaxTextExtent);
|
||
status=InvokeGhostscriptDelegate(read_info->verbose,command,message,
|
||
exception);
|
||
}
|
||
(void) RelinquishUniqueFileResource(postscript_filename);
|
||
(void) RelinquishUniqueFileResource(input_filename);
|
||
postscript_image=(Image *) NULL;
|
||
if (status == MagickFalse)
|
||
for (i=1; ; i++)
|
||
{
|
||
(void) InterpretImageFilename(image_info,image,filename,(int) i,
|
||
read_info->filename);
|
||
if (IsGhostscriptRendered(read_info->filename) == MagickFalse)
|
||
break;
|
||
(void) RelinquishUniqueFileResource(read_info->filename);
|
||
}
|
||
else
|
||
for (i=1; ; i++)
|
||
{
|
||
(void) InterpretImageFilename(image_info,image,filename,(int) i,
|
||
read_info->filename);
|
||
if (IsGhostscriptRendered(read_info->filename) == MagickFalse)
|
||
break;
|
||
read_info->blob=NULL;
|
||
read_info->length=0;
|
||
next=ReadImage(read_info,exception);
|
||
(void) RelinquishUniqueFileResource(read_info->filename);
|
||
if (next == (Image *) NULL)
|
||
break;
|
||
AppendImageToList(&postscript_image,next);
|
||
}
|
||
(void) RelinquishUniqueFileResource(read_info->filename);
|
||
read_info=DestroyImageInfo(read_info);
|
||
if (postscript_image == (Image *) NULL)
|
||
{
|
||
if (*message != '\0')
|
||
(void) ThrowMagickException(exception,GetMagickModule(),DelegateError,
|
||
"PostscriptDelegateFailed","`%s'",message);
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
if (LocaleCompare(postscript_image->magick,"BMP") == 0)
|
||
{
|
||
Image
|
||
*cmyk_image;
|
||
|
||
cmyk_image=ConsolidateCMYKImages(postscript_image,exception);
|
||
if (cmyk_image != (Image *) NULL)
|
||
{
|
||
postscript_image=DestroyImageList(postscript_image);
|
||
postscript_image=cmyk_image;
|
||
}
|
||
}
|
||
if (info.icc_profile != (StringInfo *) NULL)
|
||
(void) SetImageProfile(image,"icc",info.icc_profile);
|
||
if (info.photoshop_profile != (StringInfo *) NULL)
|
||
(void) SetImageProfile(image,"8bim",info.photoshop_profile);
|
||
if (info.xmp_profile != (StringInfo *) NULL)
|
||
(void) SetImageProfile(image,"xmp",info.xmp_profile);
|
||
CleanupPSInfo(&info);
|
||
if (image_info->number_scenes != 0)
|
||
{
|
||
Image
|
||
*clone_image;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
/*
|
||
Add place holder images to meet the subimage specification requirement.
|
||
*/
|
||
for (i=0; i < (ssize_t) image_info->scene; i++)
|
||
{
|
||
clone_image=CloneImage(postscript_image,1,1,MagickTrue,exception);
|
||
if (clone_image != (Image *) NULL)
|
||
PrependImageToList(&postscript_image,clone_image);
|
||
}
|
||
}
|
||
do
|
||
{
|
||
(void) CopyMagickString(postscript_image->filename,filename,MaxTextExtent);
|
||
(void) CopyMagickString(postscript_image->magick,image->magick,
|
||
MaxTextExtent);
|
||
if (info.columns != 0)
|
||
postscript_image->magick_columns=info.columns;
|
||
if (info.rows != 0)
|
||
postscript_image->magick_rows=info.rows;
|
||
postscript_image->page=page;
|
||
if (image_info->ping != MagickFalse)
|
||
{
|
||
postscript_image->magick_columns*=image->x_resolution/2.0;
|
||
postscript_image->magick_rows*=image->y_resolution/2.0;
|
||
postscript_image->columns*=image->x_resolution/2.0;
|
||
postscript_image->rows*=image->y_resolution/2.0;
|
||
}
|
||
(void) CloneImageProfiles(postscript_image,image);
|
||
(void) CloneImageProperties(postscript_image,image);
|
||
next=SyncNextImageInList(postscript_image);
|
||
if (next != (Image *) NULL)
|
||
postscript_image=next;
|
||
} while (next != (Image *) NULL);
|
||
image=DestroyImageList(image);
|
||
scene=0;
|
||
for (next=GetFirstImageInList(postscript_image); next != (Image *) NULL; )
|
||
{
|
||
next->scene=scene++;
|
||
next=GetNextImageInList(next);
|
||
}
|
||
return(GetFirstImageInList(postscript_image));
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% R e g i s t e r P S I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% RegisterPSImage() adds properties for the PS image format to
|
||
% the list of supported formats. The properties include the image format
|
||
% tag, a method to read and/or write the format, whether the format
|
||
% supports the saving of more than one frame to the same file or blob,
|
||
% whether the format supports native in-memory I/O, and a brief
|
||
% description of the format.
|
||
%
|
||
% The format of the RegisterPSImage method is:
|
||
%
|
||
% size_t RegisterPSImage(void)
|
||
%
|
||
*/
|
||
ModuleExport size_t RegisterPSImage(void)
|
||
{
|
||
MagickInfo
|
||
*entry;
|
||
|
||
entry=SetMagickInfo("EPI");
|
||
entry->decoder=(DecodeImageHandler *) ReadPSImage;
|
||
entry->encoder=(EncodeImageHandler *) WritePSImage;
|
||
entry->magick=(IsImageFormatHandler *) IsPS;
|
||
entry->seekable_stream=MagickTrue;
|
||
entry->adjoin=MagickFalse;
|
||
entry->blob_support=MagickFalse;
|
||
entry->seekable_stream=MagickTrue;
|
||
entry->description=ConstantString(
|
||
"Encapsulated PostScript Interchange format");
|
||
entry->mime_type=ConstantString("application/postscript");
|
||
entry->magick_module=ConstantString("PS");
|
||
(void) RegisterMagickInfo(entry);
|
||
entry=SetMagickInfo("EPS");
|
||
entry->decoder=(DecodeImageHandler *) ReadPSImage;
|
||
entry->encoder=(EncodeImageHandler *) WritePSImage;
|
||
entry->seekable_stream=MagickTrue;
|
||
entry->magick=(IsImageFormatHandler *) IsPS;
|
||
entry->adjoin=MagickFalse;
|
||
entry->blob_support=MagickFalse;
|
||
entry->seekable_stream=MagickTrue;
|
||
entry->description=ConstantString("Encapsulated PostScript");
|
||
entry->mime_type=ConstantString("application/postscript");
|
||
entry->magick_module=ConstantString("PS");
|
||
(void) RegisterMagickInfo(entry);
|
||
entry=SetMagickInfo("EPSF");
|
||
entry->decoder=(DecodeImageHandler *) ReadPSImage;
|
||
entry->encoder=(EncodeImageHandler *) WritePSImage;
|
||
entry->seekable_stream=MagickTrue;
|
||
entry->magick=(IsImageFormatHandler *) IsPS;
|
||
entry->adjoin=MagickFalse;
|
||
entry->blob_support=MagickFalse;
|
||
entry->seekable_stream=MagickTrue;
|
||
entry->description=ConstantString("Encapsulated PostScript");
|
||
entry->mime_type=ConstantString("application/postscript");
|
||
entry->magick_module=ConstantString("PS");
|
||
(void) RegisterMagickInfo(entry);
|
||
entry=SetMagickInfo("EPSI");
|
||
entry->decoder=(DecodeImageHandler *) ReadPSImage;
|
||
entry->encoder=(EncodeImageHandler *) WritePSImage;
|
||
entry->seekable_stream=MagickTrue;
|
||
entry->magick=(IsImageFormatHandler *) IsPS;
|
||
entry->adjoin=MagickFalse;
|
||
entry->blob_support=MagickFalse;
|
||
entry->seekable_stream=MagickTrue;
|
||
entry->description=ConstantString(
|
||
"Encapsulated PostScript Interchange format");
|
||
entry->mime_type=ConstantString("application/postscript");
|
||
entry->magick_module=ConstantString("PS");
|
||
(void) RegisterMagickInfo(entry);
|
||
entry=SetMagickInfo("PS");
|
||
entry->decoder=(DecodeImageHandler *) ReadPSImage;
|
||
entry->encoder=(EncodeImageHandler *) WritePSImage;
|
||
entry->seekable_stream=MagickTrue;
|
||
entry->magick=(IsImageFormatHandler *) IsPS;
|
||
entry->mime_type=ConstantString("application/postscript");
|
||
entry->magick_module=ConstantString("PS");
|
||
entry->blob_support=MagickFalse;
|
||
entry->seekable_stream=MagickTrue;
|
||
entry->description=ConstantString("PostScript");
|
||
(void) RegisterMagickInfo(entry);
|
||
return(MagickImageCoderSignature);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% U n r e g i s t e r P S I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% UnregisterPSImage() removes format registrations made by the
|
||
% PS module from the list of supported formats.
|
||
%
|
||
% The format of the UnregisterPSImage method is:
|
||
%
|
||
% UnregisterPSImage(void)
|
||
%
|
||
*/
|
||
ModuleExport void UnregisterPSImage(void)
|
||
{
|
||
(void) UnregisterMagickInfo("EPI");
|
||
(void) UnregisterMagickInfo("EPS");
|
||
(void) UnregisterMagickInfo("EPSF");
|
||
(void) UnregisterMagickInfo("EPSI");
|
||
(void) UnregisterMagickInfo("PS");
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% W r i t e P S I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% WritePSImage translates an image to encapsulated Postscript
|
||
% Level I for printing. If the supplied geometry is null, the image is
|
||
% centered on the Postscript page. Otherwise, the image is positioned as
|
||
% specified by the geometry.
|
||
%
|
||
% The format of the WritePSImage method is:
|
||
%
|
||
% MagickBooleanType WritePSImage(const ImageInfo *image_info,Image *image)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image_info: the image info.
|
||
%
|
||
% o image: the image.
|
||
%
|
||
*/
|
||
|
||
static inline unsigned char *PopHexPixel(const char hex_digits[][3],
|
||
const size_t pixel,unsigned char *pixels)
|
||
{
|
||
const char
|
||
*hex;
|
||
|
||
hex=hex_digits[pixel];
|
||
*pixels++=(unsigned char) (*hex++);
|
||
*pixels++=(unsigned char) (*hex);
|
||
return(pixels);
|
||
}
|
||
|
||
static MagickBooleanType WritePSImage(const ImageInfo *image_info,Image *image)
|
||
{
|
||
#define WriteRunlengthPacket(image,pixel,length,p) \
|
||
{ \
|
||
if ((image->matte != MagickFalse) && (length != 0) &&\
|
||
(GetPixelOpacity(p) == (Quantum) TransparentOpacity)) \
|
||
{ \
|
||
q=PopHexPixel(hex_digits,0xff,q); \
|
||
q=PopHexPixel(hex_digits,0xff,q); \
|
||
q=PopHexPixel(hex_digits,0xff,q); \
|
||
} \
|
||
else \
|
||
{ \
|
||
q=PopHexPixel(hex_digits,ScaleQuantumToChar(pixel.red),q); \
|
||
q=PopHexPixel(hex_digits,ScaleQuantumToChar(pixel.green),q); \
|
||
q=PopHexPixel(hex_digits,ScaleQuantumToChar(pixel.blue),q); \
|
||
} \
|
||
q=PopHexPixel(hex_digits,(size_t) MagickMin(length,0xff),q); \
|
||
}
|
||
|
||
static const char
|
||
hex_digits[][3] =
|
||
{
|
||
"00", "01", "02", "03", "04", "05", "06", "07", "08", "09", "0A", "0B",
|
||
"0C", "0D", "0E", "0F", "10", "11", "12", "13", "14", "15", "16", "17",
|
||
"18", "19", "1A", "1B", "1C", "1D", "1E", "1F", "20", "21", "22", "23",
|
||
"24", "25", "26", "27", "28", "29", "2A", "2B", "2C", "2D", "2E", "2F",
|
||
"30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "3A", "3B",
|
||
"3C", "3D", "3E", "3F", "40", "41", "42", "43", "44", "45", "46", "47",
|
||
"48", "49", "4A", "4B", "4C", "4D", "4E", "4F", "50", "51", "52", "53",
|
||
"54", "55", "56", "57", "58", "59", "5A", "5B", "5C", "5D", "5E", "5F",
|
||
"60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "6A", "6B",
|
||
"6C", "6D", "6E", "6F", "70", "71", "72", "73", "74", "75", "76", "77",
|
||
"78", "79", "7A", "7B", "7C", "7D", "7E", "7F", "80", "81", "82", "83",
|
||
"84", "85", "86", "87", "88", "89", "8A", "8B", "8C", "8D", "8E", "8F",
|
||
"90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "9A", "9B",
|
||
"9C", "9D", "9E", "9F", "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
|
||
"A8", "A9", "AA", "AB", "AC", "AD", "AE", "AF", "B0", "B1", "B2", "B3",
|
||
"B4", "B5", "B6", "B7", "B8", "B9", "BA", "BB", "BC", "BD", "BE", "BF",
|
||
"C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7", "C8", "C9", "CA", "CB",
|
||
"CC", "CD", "CE", "CF", "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
|
||
"D8", "D9", "DA", "DB", "DC", "DD", "DE", "DF", "E0", "E1", "E2", "E3",
|
||
"E4", "E5", "E6", "E7", "E8", "E9", "EA", "EB", "EC", "ED", "EE", "EF",
|
||
"F0", "F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "FA", "FB",
|
||
"FC", "FD", "FE", "FF"
|
||
},
|
||
PostscriptProlog[] =
|
||
"%%BeginProlog\n"
|
||
"%\n"
|
||
"% Display a color image. The image is displayed in color on\n"
|
||
"% Postscript viewers or printers that support color, otherwise\n"
|
||
"% it is displayed as grayscale.\n"
|
||
"%\n"
|
||
"/DirectClassPacket\n"
|
||
"{\n"
|
||
" %\n"
|
||
" % Get a DirectClass packet.\n"
|
||
" %\n"
|
||
" % Parameters:\n"
|
||
" % red.\n"
|
||
" % green.\n"
|
||
" % blue.\n"
|
||
" % length: number of pixels minus one of this color (optional).\n"
|
||
" %\n"
|
||
" currentfile color_packet readhexstring pop pop\n"
|
||
" compression 0 eq\n"
|
||
" {\n"
|
||
" /number_pixels 3 def\n"
|
||
" }\n"
|
||
" {\n"
|
||
" currentfile byte readhexstring pop 0 get\n"
|
||
" /number_pixels exch 1 add 3 mul def\n"
|
||
" } ifelse\n"
|
||
" 0 3 number_pixels 1 sub\n"
|
||
" {\n"
|
||
" pixels exch color_packet putinterval\n"
|
||
" } for\n"
|
||
" pixels 0 number_pixels getinterval\n"
|
||
"} bind def\n"
|
||
"\n"
|
||
"/DirectClassImage\n"
|
||
"{\n"
|
||
" %\n"
|
||
" % Display a DirectClass image.\n"
|
||
" %\n"
|
||
" systemdict /colorimage known\n"
|
||
" {\n"
|
||
" columns rows 8\n"
|
||
" [\n"
|
||
" columns 0 0\n"
|
||
" rows neg 0 rows\n"
|
||
" ]\n"
|
||
" { DirectClassPacket } false 3 colorimage\n"
|
||
" }\n"
|
||
" {\n"
|
||
" %\n"
|
||
" % No colorimage operator; convert to grayscale.\n"
|
||
" %\n"
|
||
" columns rows 8\n"
|
||
" [\n"
|
||
" columns 0 0\n"
|
||
" rows neg 0 rows\n"
|
||
" ]\n"
|
||
" { GrayDirectClassPacket } image\n"
|
||
" } ifelse\n"
|
||
"} bind def\n"
|
||
"\n"
|
||
"/GrayDirectClassPacket\n"
|
||
"{\n"
|
||
" %\n"
|
||
" % Get a DirectClass packet; convert to grayscale.\n"
|
||
" %\n"
|
||
" % Parameters:\n"
|
||
" % red\n"
|
||
" % green\n"
|
||
" % blue\n"
|
||
" % length: number of pixels minus one of this color (optional).\n"
|
||
" %\n"
|
||
" currentfile color_packet readhexstring pop pop\n"
|
||
" color_packet 0 get 0.299 mul\n"
|
||
" color_packet 1 get 0.587 mul add\n"
|
||
" color_packet 2 get 0.114 mul add\n"
|
||
" cvi\n"
|
||
" /gray_packet exch def\n"
|
||
" compression 0 eq\n"
|
||
" {\n"
|
||
" /number_pixels 1 def\n"
|
||
" }\n"
|
||
" {\n"
|
||
" currentfile byte readhexstring pop 0 get\n"
|
||
" /number_pixels exch 1 add def\n"
|
||
" } ifelse\n"
|
||
" 0 1 number_pixels 1 sub\n"
|
||
" {\n"
|
||
" pixels exch gray_packet put\n"
|
||
" } for\n"
|
||
" pixels 0 number_pixels getinterval\n"
|
||
"} bind def\n"
|
||
"\n"
|
||
"/GrayPseudoClassPacket\n"
|
||
"{\n"
|
||
" %\n"
|
||
" % Get a PseudoClass packet; convert to grayscale.\n"
|
||
" %\n"
|
||
" % Parameters:\n"
|
||
" % index: index into the colormap.\n"
|
||
" % length: number of pixels minus one of this color (optional).\n"
|
||
" %\n"
|
||
" currentfile byte readhexstring pop 0 get\n"
|
||
" /offset exch 3 mul def\n"
|
||
" /color_packet colormap offset 3 getinterval def\n"
|
||
" color_packet 0 get 0.299 mul\n"
|
||
" color_packet 1 get 0.587 mul add\n"
|
||
" color_packet 2 get 0.114 mul add\n"
|
||
" cvi\n"
|
||
" /gray_packet exch def\n"
|
||
" compression 0 eq\n"
|
||
" {\n"
|
||
" /number_pixels 1 def\n"
|
||
" }\n"
|
||
" {\n"
|
||
" currentfile byte readhexstring pop 0 get\n"
|
||
" /number_pixels exch 1 add def\n"
|
||
" } ifelse\n"
|
||
" 0 1 number_pixels 1 sub\n"
|
||
" {\n"
|
||
" pixels exch gray_packet put\n"
|
||
" } for\n"
|
||
" pixels 0 number_pixels getinterval\n"
|
||
"} bind def\n"
|
||
"\n"
|
||
"/PseudoClassPacket\n"
|
||
"{\n"
|
||
" %\n"
|
||
" % Get a PseudoClass packet.\n"
|
||
" %\n"
|
||
" % Parameters:\n"
|
||
" % index: index into the colormap.\n"
|
||
" % length: number of pixels minus one of this color (optional).\n"
|
||
" %\n"
|
||
" currentfile byte readhexstring pop 0 get\n"
|
||
" /offset exch 3 mul def\n"
|
||
" /color_packet colormap offset 3 getinterval def\n"
|
||
" compression 0 eq\n"
|
||
" {\n"
|
||
" /number_pixels 3 def\n"
|
||
" }\n"
|
||
" {\n"
|
||
" currentfile byte readhexstring pop 0 get\n"
|
||
" /number_pixels exch 1 add 3 mul def\n"
|
||
" } ifelse\n"
|
||
" 0 3 number_pixels 1 sub\n"
|
||
" {\n"
|
||
" pixels exch color_packet putinterval\n"
|
||
" } for\n"
|
||
" pixels 0 number_pixels getinterval\n"
|
||
"} bind def\n"
|
||
"\n"
|
||
"/PseudoClassImage\n"
|
||
"{\n"
|
||
" %\n"
|
||
" % Display a PseudoClass image.\n"
|
||
" %\n"
|
||
" % Parameters:\n"
|
||
" % class: 0-PseudoClass or 1-Grayscale.\n"
|
||
" %\n"
|
||
" currentfile buffer readline pop\n"
|
||
" token pop /class exch def pop\n"
|
||
" class 0 gt\n"
|
||
" {\n"
|
||
" currentfile buffer readline pop\n"
|
||
" token pop /depth exch def pop\n"
|
||
" /grays columns 8 add depth sub depth mul 8 idiv string def\n"
|
||
" columns rows depth\n"
|
||
" [\n"
|
||
" columns 0 0\n"
|
||
" rows neg 0 rows\n"
|
||
" ]\n"
|
||
" { currentfile grays readhexstring pop } image\n"
|
||
" }\n"
|
||
" {\n"
|
||
" %\n"
|
||
" % Parameters:\n"
|
||
" % colors: number of colors in the colormap.\n"
|
||
" % colormap: red, green, blue color packets.\n"
|
||
" %\n"
|
||
" currentfile buffer readline pop\n"
|
||
" token pop /colors exch def pop\n"
|
||
" /colors colors 3 mul def\n"
|
||
" /colormap colors string def\n"
|
||
" currentfile colormap readhexstring pop pop\n"
|
||
" systemdict /colorimage known\n"
|
||
" {\n"
|
||
" columns rows 8\n"
|
||
" [\n"
|
||
" columns 0 0\n"
|
||
" rows neg 0 rows\n"
|
||
" ]\n"
|
||
" { PseudoClassPacket } false 3 colorimage\n"
|
||
" }\n"
|
||
" {\n"
|
||
" %\n"
|
||
" % No colorimage operator; convert to grayscale.\n"
|
||
" %\n"
|
||
" columns rows 8\n"
|
||
" [\n"
|
||
" columns 0 0\n"
|
||
" rows neg 0 rows\n"
|
||
" ]\n"
|
||
" { GrayPseudoClassPacket } image\n"
|
||
" } ifelse\n"
|
||
" } ifelse\n"
|
||
"} bind def\n"
|
||
"\n"
|
||
"/DisplayImage\n"
|
||
"{\n"
|
||
" %\n"
|
||
" % Display a DirectClass or PseudoClass image.\n"
|
||
" %\n"
|
||
" % Parameters:\n"
|
||
" % x & y translation.\n"
|
||
" % x & y scale.\n"
|
||
" % label pointsize.\n"
|
||
" % image label.\n"
|
||
" % image columns & rows.\n"
|
||
" % class: 0-DirectClass or 1-PseudoClass.\n"
|
||
" % compression: 0-none or 1-RunlengthEncoded.\n"
|
||
" % hex color packets.\n"
|
||
" %\n"
|
||
" gsave\n"
|
||
" /buffer 512 string def\n"
|
||
" /byte 1 string def\n"
|
||
" /color_packet 3 string def\n"
|
||
" /pixels 768 string def\n"
|
||
"\n"
|
||
" currentfile buffer readline pop\n"
|
||
" token pop /x exch def\n"
|
||
" token pop /y exch def pop\n"
|
||
" x y translate\n"
|
||
" currentfile buffer readline pop\n"
|
||
" token pop /x exch def\n"
|
||
" token pop /y exch def pop\n"
|
||
" currentfile buffer readline pop\n"
|
||
" token pop /pointsize exch def pop\n",
|
||
PostscriptEpilog[] =
|
||
" x y scale\n"
|
||
" currentfile buffer readline pop\n"
|
||
" token pop /columns exch def\n"
|
||
" token pop /rows exch def pop\n"
|
||
" currentfile buffer readline pop\n"
|
||
" token pop /class exch def pop\n"
|
||
" currentfile buffer readline pop\n"
|
||
" token pop /compression exch def pop\n"
|
||
" class 0 gt { PseudoClassImage } { DirectClassImage } ifelse\n"
|
||
" grestore\n";
|
||
|
||
char
|
||
buffer[MaxTextExtent],
|
||
date[MaxTextExtent],
|
||
**labels,
|
||
page_geometry[MaxTextExtent];
|
||
|
||
CompressionType
|
||
compression;
|
||
|
||
const char
|
||
*value;
|
||
|
||
const StringInfo
|
||
*profile;
|
||
|
||
double
|
||
pointsize;
|
||
|
||
GeometryInfo
|
||
geometry_info;
|
||
|
||
IndexPacket
|
||
index;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
MagickOffsetType
|
||
scene;
|
||
|
||
MagickStatusType
|
||
flags;
|
||
|
||
PixelPacket
|
||
pixel;
|
||
|
||
PointInfo
|
||
delta,
|
||
resolution,
|
||
scale;
|
||
|
||
RectangleInfo
|
||
geometry,
|
||
media_info,
|
||
page_info;
|
||
|
||
const IndexPacket
|
||
*indexes;
|
||
|
||
const PixelPacket
|
||
*p;
|
||
|
||
ssize_t
|
||
i,
|
||
x;
|
||
|
||
unsigned char
|
||
*q;
|
||
|
||
SegmentInfo
|
||
bounds;
|
||
|
||
size_t
|
||
bit,
|
||
byte,
|
||
imageListLength,
|
||
length,
|
||
page,
|
||
text_size;
|
||
|
||
ssize_t
|
||
j,
|
||
y;
|
||
|
||
time_t
|
||
timer;
|
||
|
||
unsigned char
|
||
pixels[2048];
|
||
|
||
/*
|
||
Open output image file.
|
||
*/
|
||
assert(image_info != (const ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickCoreSignature);
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
|
||
if (status == MagickFalse)
|
||
return(status);
|
||
(void) memset(&bounds,0,sizeof(bounds));
|
||
compression=image->compression;
|
||
if (image_info->compression != UndefinedCompression)
|
||
compression=image_info->compression;
|
||
page=1;
|
||
scene=0;
|
||
imageListLength=GetImageListLength(image);
|
||
do
|
||
{
|
||
/*
|
||
Scale relative to dots-per-inch.
|
||
*/
|
||
if (image->colorspace != CMYKColorspace)
|
||
(void) TransformImageColorspace(image,sRGBColorspace);
|
||
delta.x=DefaultResolution;
|
||
delta.y=DefaultResolution;
|
||
resolution.x=image->x_resolution;
|
||
resolution.y=image->y_resolution;
|
||
if ((resolution.x == 0.0) || (resolution.y == 0.0))
|
||
{
|
||
flags=ParseGeometry(PSDensityGeometry,&geometry_info);
|
||
resolution.x=geometry_info.rho;
|
||
resolution.y=geometry_info.sigma;
|
||
if ((flags & SigmaValue) == 0)
|
||
resolution.y=resolution.x;
|
||
}
|
||
if (image_info->density != (char *) NULL)
|
||
{
|
||
flags=ParseGeometry(image_info->density,&geometry_info);
|
||
resolution.x=geometry_info.rho;
|
||
resolution.y=geometry_info.sigma;
|
||
if ((flags & SigmaValue) == 0)
|
||
resolution.y=resolution.x;
|
||
}
|
||
if (image->units == PixelsPerCentimeterResolution)
|
||
{
|
||
resolution.x=(double) ((size_t) (100.0*2.54*resolution.x+0.5)/100.0);
|
||
resolution.y=(double) ((size_t) (100.0*2.54*resolution.y+0.5)/100.0);
|
||
}
|
||
SetGeometry(image,&geometry);
|
||
(void) FormatLocaleString(page_geometry,MaxTextExtent,"%.20gx%.20g",
|
||
(double) image->columns,(double) image->rows);
|
||
if (image_info->page != (char *) NULL)
|
||
(void) CopyMagickString(page_geometry,image_info->page,MaxTextExtent);
|
||
else
|
||
if ((image->page.width != 0) && (image->page.height != 0))
|
||
(void) FormatLocaleString(page_geometry,MaxTextExtent,
|
||
"%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double)
|
||
image->page.height,(double) image->page.x,(double) image->page.y);
|
||
else
|
||
if ((image->gravity != UndefinedGravity) &&
|
||
(LocaleCompare(image_info->magick,"PS") == 0))
|
||
(void) CopyMagickString(page_geometry,PSPageGeometry,MaxTextExtent);
|
||
(void) ConcatenateMagickString(page_geometry,">",MaxTextExtent);
|
||
(void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
|
||
&geometry.width,&geometry.height);
|
||
scale.x=PerceptibleReciprocal(resolution.x)*geometry.width*delta.x;
|
||
geometry.width=(size_t) floor(scale.x+0.5);
|
||
scale.y=PerceptibleReciprocal(resolution.y)*geometry.height*delta.y;
|
||
geometry.height=(size_t) floor(scale.y+0.5);
|
||
(void) ParseAbsoluteGeometry(page_geometry,&media_info);
|
||
(void) ParseGravityGeometry(image,page_geometry,&page_info,
|
||
&image->exception);
|
||
if (image->gravity != UndefinedGravity)
|
||
{
|
||
geometry.x=(-page_info.x);
|
||
geometry.y=(ssize_t) (media_info.height+page_info.y-image->rows);
|
||
}
|
||
pointsize=12.0;
|
||
if (image_info->pointsize != 0.0)
|
||
pointsize=image_info->pointsize;
|
||
text_size=0;
|
||
value=GetImageProperty(image,"label");
|
||
if (value != (const char *) NULL)
|
||
text_size=(size_t) (MultilineCensus(value)*pointsize+12);
|
||
if (page == 1)
|
||
{
|
||
/*
|
||
Output Postscript header.
|
||
*/
|
||
if (LocaleCompare(image_info->magick,"PS") == 0)
|
||
(void) CopyMagickString(buffer,"%!PS-Adobe-3.0\n",MaxTextExtent);
|
||
else
|
||
(void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
|
||
MaxTextExtent);
|
||
(void) WriteBlobString(image,buffer);
|
||
(void) WriteBlobString(image,"%%Creator: (ImageMagick)\n");
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Title: (%s)\n",
|
||
image->filename);
|
||
(void) WriteBlobString(image,buffer);
|
||
timer=GetMagickTime();
|
||
(void) FormatMagickTime(timer,MaxTextExtent,date);
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"%%%%CreationDate: (%s)\n",date);
|
||
(void) WriteBlobString(image,buffer);
|
||
bounds.x1=(double) geometry.x;
|
||
bounds.y1=(double) geometry.y;
|
||
bounds.x2=(double) geometry.x+scale.x;
|
||
bounds.y2=(double) geometry.y+(geometry.height+text_size);
|
||
if ((image_info->adjoin != MagickFalse) &&
|
||
(GetNextImageInList(image) != (Image *) NULL))
|
||
(void) CopyMagickString(buffer,"%%%%BoundingBox: (atend)\n",
|
||
MaxTextExtent);
|
||
else
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"%%%%BoundingBox: %.20g %.20g %.20g %.20g\n",ceil(bounds.x1-0.5),
|
||
ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
|
||
(void) WriteBlobString(image,buffer);
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,
|
||
bounds.x2,bounds.y2);
|
||
}
|
||
(void) WriteBlobString(image,buffer);
|
||
profile=GetImageProfile(image,"8bim");
|
||
if (profile != (StringInfo *) NULL)
|
||
{
|
||
/*
|
||
Embed Photoshop profile.
|
||
*/
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"%%BeginPhotoshop: %.20g",(double) GetStringInfoLength(profile));
|
||
(void) WriteBlobString(image,buffer);
|
||
for (i=0; i < (ssize_t) GetStringInfoLength(profile); i++)
|
||
{
|
||
if ((i % 32) == 0)
|
||
(void) WriteBlobString(image,"\n% ");
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"%02X",
|
||
(unsigned int) (GetStringInfoDatum(profile)[i] & 0xff));
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
(void) WriteBlobString(image,"\n%EndPhotoshop\n");
|
||
}
|
||
profile=GetImageProfile(image,"xmp");
|
||
value=GetImageProperty(image,"label");
|
||
if (value != (const char *) NULL)
|
||
(void) WriteBlobString(image,
|
||
"%%DocumentNeededResources: font Times-Roman\n");
|
||
(void) WriteBlobString(image,"%%DocumentData: Clean7Bit\n");
|
||
(void) WriteBlobString(image,"%%LanguageLevel: 1\n");
|
||
if (LocaleCompare(image_info->magick,"PS") != 0)
|
||
(void) WriteBlobString(image,"%%Pages: 1\n");
|
||
else
|
||
{
|
||
/*
|
||
Compute the number of pages.
|
||
*/
|
||
(void) WriteBlobString(image,"%%Orientation: Portrait\n");
|
||
(void) WriteBlobString(image,"%%PageOrder: Ascend\n");
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Pages: %.20g\n",
|
||
image_info->adjoin != MagickFalse ? (double)
|
||
GetImageListLength(image) : 1.0);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
(void) WriteBlobString(image,"%%EndComments\n");
|
||
(void) WriteBlobString(image,"\n%%BeginDefaults\n");
|
||
(void) WriteBlobString(image,"%%EndDefaults\n\n");
|
||
if ((LocaleCompare(image_info->magick,"EPI") == 0) ||
|
||
(LocaleCompare(image_info->magick,"EPSI") == 0) ||
|
||
(LocaleCompare(image_info->magick,"EPT") == 0))
|
||
{
|
||
Image
|
||
*preview_image;
|
||
|
||
Quantum
|
||
pixel;
|
||
|
||
ssize_t
|
||
x;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
/*
|
||
Create preview image.
|
||
*/
|
||
preview_image=CloneImage(image,0,0,MagickTrue,&image->exception);
|
||
if (preview_image == (Image *) NULL)
|
||
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
||
/*
|
||
Dump image as bitmap.
|
||
*/
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"%%%%BeginPreview: %.20g %.20g %.20g %.20g\n%% ",(double)
|
||
preview_image->columns,(double) preview_image->rows,1.0,
|
||
(double) ((((preview_image->columns+7) >> 3)*preview_image->rows+
|
||
35)/36));
|
||
(void) WriteBlobString(image,buffer);
|
||
q=pixels;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(preview_image,0,y,preview_image->columns,1,
|
||
&preview_image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
indexes=GetVirtualIndexQueue(preview_image);
|
||
bit=0;
|
||
byte=0;
|
||
for (x=0; x < (ssize_t) preview_image->columns; x++)
|
||
{
|
||
byte<<=1;
|
||
pixel=ClampToQuantum(GetPixelLuma(image,p));
|
||
if (pixel >= (Quantum) (QuantumRange/2))
|
||
byte|=0x01;
|
||
bit++;
|
||
if (bit == 8)
|
||
{
|
||
q=PopHexPixel(hex_digits,byte,q);
|
||
if ((q-pixels+8) >= 80)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
q=pixels;
|
||
(void) WriteBlobString(image,"% ");
|
||
};
|
||
bit=0;
|
||
byte=0;
|
||
}
|
||
}
|
||
if (bit != 0)
|
||
{
|
||
byte<<=(8-bit);
|
||
q=PopHexPixel(hex_digits,byte,q);
|
||
if ((q-pixels+8) >= 80)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
q=pixels;
|
||
(void) WriteBlobString(image,"% ");
|
||
};
|
||
};
|
||
}
|
||
if (q != pixels)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
}
|
||
(void) WriteBlobString(image,"\n%%EndPreview\n");
|
||
preview_image=DestroyImage(preview_image);
|
||
}
|
||
/*
|
||
Output Postscript commands.
|
||
*/
|
||
(void) WriteBlob(image,sizeof(PostscriptProlog)-1,
|
||
(const unsigned char *) PostscriptProlog);
|
||
value=GetImageProperty(image,"label");
|
||
if (value != (const char *) NULL)
|
||
{
|
||
(void) WriteBlobString(image,
|
||
" /Times-Roman findfont pointsize scalefont setfont\n");
|
||
for (j=(ssize_t) MultilineCensus(value)-1; j >= 0; j--)
|
||
{
|
||
(void) WriteBlobString(image," /label 512 string def\n");
|
||
(void) WriteBlobString(image,
|
||
" currentfile label readline pop\n");
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
" 0 y %g add moveto label show pop\n",j*pointsize+12);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
}
|
||
(void) WriteBlob(image,sizeof(PostscriptEpilog)-1,
|
||
(const unsigned char *) PostscriptEpilog);
|
||
if (LocaleCompare(image_info->magick,"PS") == 0)
|
||
(void) WriteBlobString(image," showpage\n");
|
||
(void) WriteBlobString(image,"} bind def\n");
|
||
(void) WriteBlobString(image,"%%EndProlog\n");
|
||
}
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"%%%%Page: 1 %.20g\n",
|
||
(double) (page++));
|
||
(void) WriteBlobString(image,buffer);
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"%%%%PageBoundingBox: %.20g %.20g %.20g %.20g\n",(double) geometry.x,
|
||
(double) geometry.y,geometry.x+(double) geometry.width,geometry.y+(double)
|
||
(geometry.height+text_size));
|
||
(void) WriteBlobString(image,buffer);
|
||
if ((double) geometry.x < bounds.x1)
|
||
bounds.x1=(double) geometry.x;
|
||
if ((double) geometry.y < bounds.y1)
|
||
bounds.y1=(double) geometry.y;
|
||
if ((double) (geometry.x+geometry.width-1) > bounds.x2)
|
||
bounds.x2=(double) geometry.x+geometry.width-1;
|
||
if ((double) (geometry.y+(geometry.height+text_size)-1) > bounds.y2)
|
||
bounds.y2=(double) geometry.y+(geometry.height+text_size)-1;
|
||
value=GetImageProperty(image,"label");
|
||
if (value != (const char *) NULL)
|
||
(void) WriteBlobString(image,"%%%%PageResources: font Times-Roman\n");
|
||
if (LocaleCompare(image_info->magick,"PS") != 0)
|
||
(void) WriteBlobString(image,"userdict begin\n");
|
||
(void) WriteBlobString(image,"DisplayImage\n");
|
||
/*
|
||
Output image data.
|
||
*/
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n%g %g\n%g\n",
|
||
(double) geometry.x,(double) geometry.y,scale.x,scale.y,pointsize);
|
||
(void) WriteBlobString(image,buffer);
|
||
labels=(char **) NULL;
|
||
value=GetImageProperty(image,"label");
|
||
if (value != (const char *) NULL)
|
||
labels=StringToList(value);
|
||
if (labels != (char **) NULL)
|
||
{
|
||
for (i=0; labels[i] != (char *) NULL; i++)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"%s \n",
|
||
labels[i]);
|
||
(void) WriteBlobString(image,buffer);
|
||
labels[i]=DestroyString(labels[i]);
|
||
}
|
||
labels=(char **) RelinquishMagickMemory(labels);
|
||
}
|
||
(void) memset(&pixel,0,sizeof(pixel));
|
||
pixel.opacity=(Quantum) TransparentOpacity;
|
||
index=(IndexPacket) 0;
|
||
x=0;
|
||
if ((image_info->type != TrueColorType) &&
|
||
(SetImageGray(image,&image->exception) != MagickFalse))
|
||
{
|
||
if (SetImageMonochrome(image,&image->exception) == MagickFalse)
|
||
{
|
||
Quantum
|
||
pixel;
|
||
|
||
/*
|
||
Dump image as grayscale.
|
||
*/
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"%.20g %.20g\n1\n1\n1\n8\n",(double) image->columns,(double)
|
||
image->rows);
|
||
(void) WriteBlobString(image,buffer);
|
||
q=pixels;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(image,0,y,image->columns,1,
|
||
&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
pixel=(Quantum) ScaleQuantumToChar(ClampToQuantum(
|
||
GetPixelLuma(image,p)));
|
||
q=PopHexPixel(hex_digits,(size_t) pixel,q);
|
||
if ((q-pixels+8) >= 80)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
q=pixels;
|
||
}
|
||
p++;
|
||
}
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
|
||
y,image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
if (q != pixels)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
ssize_t
|
||
y;
|
||
|
||
Quantum
|
||
pixel;
|
||
|
||
/*
|
||
Dump image as bitmap.
|
||
*/
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"%.20g %.20g\n1\n1\n1\n1\n",(double) image->columns,(double)
|
||
image->rows);
|
||
(void) WriteBlobString(image,buffer);
|
||
q=pixels;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(image,0,y,image->columns,1,
|
||
&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
indexes=GetVirtualIndexQueue(image);
|
||
bit=0;
|
||
byte=0;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
byte<<=1;
|
||
pixel=ClampToQuantum(GetPixelLuma(image,p));
|
||
if (pixel >= (Quantum) (QuantumRange/2))
|
||
byte|=0x01;
|
||
bit++;
|
||
if (bit == 8)
|
||
{
|
||
q=PopHexPixel(hex_digits,byte,q);
|
||
if ((q-pixels+2) >= 80)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
q=pixels;
|
||
};
|
||
bit=0;
|
||
byte=0;
|
||
}
|
||
p++;
|
||
}
|
||
if (bit != 0)
|
||
{
|
||
byte<<=(8-bit);
|
||
q=PopHexPixel(hex_digits,byte,q);
|
||
if ((q-pixels+2) >= 80)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
q=pixels;
|
||
}
|
||
};
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType)
|
||
y,image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
if (q != pixels)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
}
|
||
}
|
||
}
|
||
else
|
||
if ((image->storage_class == DirectClass) ||
|
||
(image->colors > 256) || (image->matte != MagickFalse))
|
||
{
|
||
/*
|
||
Dump DirectClass image.
|
||
*/
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n0\n%d\n",
|
||
(double) image->columns,(double) image->rows,
|
||
compression == RLECompression ? 1 : 0);
|
||
(void) WriteBlobString(image,buffer);
|
||
switch (compression)
|
||
{
|
||
case RLECompression:
|
||
{
|
||
/*
|
||
Dump runlength-encoded DirectColor packets.
|
||
*/
|
||
q=pixels;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(image,0,y,image->columns,1,
|
||
&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
pixel=(*p);
|
||
length=255;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
if ((GetPixelRed(p) == pixel.red) &&
|
||
(GetPixelGreen(p) == pixel.green) &&
|
||
(GetPixelBlue(p) == pixel.blue) &&
|
||
(GetPixelOpacity(p) == pixel.opacity) &&
|
||
(length < 255) && (x < (ssize_t) (image->columns-1)))
|
||
length++;
|
||
else
|
||
{
|
||
if (x > 0)
|
||
{
|
||
WriteRunlengthPacket(image,pixel,length,p);
|
||
if ((q-pixels+10) >= 80)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
q=pixels;
|
||
}
|
||
}
|
||
length=0;
|
||
}
|
||
pixel=(*p);
|
||
p++;
|
||
}
|
||
WriteRunlengthPacket(image,pixel,length,p);
|
||
if ((q-pixels+10) >= 80)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
q=pixels;
|
||
}
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,SaveImageTag,
|
||
(MagickOffsetType) y,image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
if (q != pixels)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
}
|
||
break;
|
||
}
|
||
case NoCompression:
|
||
default:
|
||
{
|
||
/*
|
||
Dump uncompressed DirectColor packets.
|
||
*/
|
||
q=pixels;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(image,0,y,image->columns,1,
|
||
&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
if ((image->matte != MagickFalse) &&
|
||
(GetPixelOpacity(p) == (Quantum) TransparentOpacity))
|
||
{
|
||
q=PopHexPixel(hex_digits,0xff,q);
|
||
q=PopHexPixel(hex_digits,0xff,q);
|
||
q=PopHexPixel(hex_digits,0xff,q);
|
||
}
|
||
else
|
||
{
|
||
q=PopHexPixel(hex_digits,ScaleQuantumToChar(
|
||
GetPixelRed(p)),q);
|
||
q=PopHexPixel(hex_digits,ScaleQuantumToChar(
|
||
GetPixelGreen(p)),q);
|
||
q=PopHexPixel(hex_digits,ScaleQuantumToChar(
|
||
GetPixelBlue(p)),q);
|
||
}
|
||
if ((q-pixels+6) >= 80)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
q=pixels;
|
||
}
|
||
p++;
|
||
}
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,SaveImageTag,
|
||
(MagickOffsetType) y,image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
if (q != pixels)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
(void) WriteBlobByte(image,'\n');
|
||
}
|
||
else
|
||
{
|
||
/*
|
||
Dump PseudoClass image.
|
||
*/
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"%.20g %.20g\n%d\n%d\n0\n",(double) image->columns,(double)
|
||
image->rows,image->storage_class == PseudoClass ? 1 : 0,
|
||
compression == RLECompression ? 1 : 0);
|
||
(void) WriteBlobString(image,buffer);
|
||
/*
|
||
Dump number of colors and colormap.
|
||
*/
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"%.20g\n",(double)
|
||
image->colors);
|
||
(void) WriteBlobString(image,buffer);
|
||
for (i=0; i < (ssize_t) image->colors; i++)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,"%02X%02X%02X\n",
|
||
ScaleQuantumToChar(image->colormap[i].red),
|
||
ScaleQuantumToChar(image->colormap[i].green),
|
||
ScaleQuantumToChar(image->colormap[i].blue));
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
switch (compression)
|
||
{
|
||
case RLECompression:
|
||
{
|
||
/*
|
||
Dump runlength-encoded PseudoColor packets.
|
||
*/
|
||
q=pixels;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(image,0,y,image->columns,1,
|
||
&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
indexes=GetVirtualIndexQueue(image);
|
||
index=GetPixelIndex(indexes);
|
||
length=255;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
if ((index == GetPixelIndex(indexes+x)) &&
|
||
(length < 255) && (x < ((ssize_t) image->columns-1)))
|
||
length++;
|
||
else
|
||
{
|
||
if (x > 0)
|
||
{
|
||
q=PopHexPixel(hex_digits,(size_t) index,q);
|
||
q=PopHexPixel(hex_digits,(size_t)
|
||
MagickMin(length,0xff),q);
|
||
i++;
|
||
if ((q-pixels+6) >= 80)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
q=pixels;
|
||
}
|
||
}
|
||
length=0;
|
||
}
|
||
index=GetPixelIndex(indexes+x);
|
||
pixel.red=GetPixelRed(p);
|
||
pixel.green=GetPixelGreen(p);
|
||
pixel.blue=GetPixelBlue(p);
|
||
pixel.opacity=GetPixelOpacity(p);
|
||
p++;
|
||
}
|
||
q=PopHexPixel(hex_digits,(size_t) index,q);
|
||
q=PopHexPixel(hex_digits,(size_t) MagickMin(length,0xff),q);
|
||
if ((q-pixels+6) >= 80)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
q=pixels;
|
||
}
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,SaveImageTag,
|
||
(MagickOffsetType) y,image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
if (q != pixels)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
}
|
||
break;
|
||
}
|
||
case NoCompression:
|
||
default:
|
||
{
|
||
/*
|
||
Dump uncompressed PseudoColor packets.
|
||
*/
|
||
q=pixels;
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(image,0,y,image->columns,1,
|
||
&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
indexes=GetVirtualIndexQueue(image);
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
q=PopHexPixel(hex_digits,(size_t) GetPixelIndex(
|
||
indexes+x),q);
|
||
if ((q-pixels+4) >= 80)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
q=pixels;
|
||
}
|
||
p++;
|
||
}
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,SaveImageTag,
|
||
(MagickOffsetType) y,image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
if (q != pixels)
|
||
{
|
||
*q++='\n';
|
||
(void) WriteBlob(image,q-pixels,pixels);
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
(void) WriteBlobByte(image,'\n');
|
||
}
|
||
if (LocaleCompare(image_info->magick,"PS") != 0)
|
||
(void) WriteBlobString(image,"end\n");
|
||
(void) WriteBlobString(image,"%%PageTrailer\n");
|
||
if (GetNextImageInList(image) == (Image *) NULL)
|
||
break;
|
||
image=SyncNextImageInList(image);
|
||
status=SetImageProgress(image,SaveImagesTag,scene++,imageListLength);
|
||
if (status == MagickFalse)
|
||
break;
|
||
} while (image_info->adjoin != MagickFalse);
|
||
(void) WriteBlobString(image,"%%Trailer\n");
|
||
if (page > 2)
|
||
{
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"%%%%BoundingBox: %.20g %.20g %.20g %.20g\n",ceil(bounds.x1-0.5),
|
||
ceil(bounds.y1-0.5),floor(bounds.x2+0.5),floor(bounds.y2+0.5));
|
||
(void) WriteBlobString(image,buffer);
|
||
(void) FormatLocaleString(buffer,MaxTextExtent,
|
||
"%%%%HiResBoundingBox: %g %g %g %g\n",bounds.x1,bounds.y1,
|
||
bounds.x2,bounds.y2);
|
||
(void) WriteBlobString(image,buffer);
|
||
}
|
||
(void) WriteBlobString(image,"%%EOF\n");
|
||
(void) CloseBlob(image);
|
||
return(MagickTrue);
|
||
}
|