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/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% PPPP SSSSS %
% P P SS %
% PPPP SSS %
% P SS %
% P SSSSS %
% %
% %
% Read/Write Postscript Format %
% %
% Software Design %
% Cristy %
% July 1992 %
% %
% %
% Copyright 1999-2020 ImageMagick Studio LLC, a non-profit organization %
% dedicated to making software imaging solutions freely available. %
% %
% You may not use this file except in compliance with the License. You may %
% obtain a copy of the License at %
% %
% https://imagemagick.org/script/license.php %
% %
% Unless required by applicable law or agreed to in writing, software %
% distributed under the License is distributed on an "AS IS" BASIS, %
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
% See the License for the specific language governing permissions and %
% limitations under the License. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/
/*
Include declarations.
*/
#include "MagickCore/studio.h"
#include "MagickCore/artifact.h"
#include "MagickCore/attribute.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/cache.h"
#include "MagickCore/color.h"
#include "MagickCore/color-private.h"
#include "MagickCore/colorspace.h"
#include "MagickCore/colorspace-private.h"
#include "MagickCore/constitute.h"
#include "MagickCore/delegate.h"
#include "MagickCore/delegate-private.h"
#include "MagickCore/draw.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/geometry.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/list.h"
#include "MagickCore/magick.h"
#include "MagickCore/memory_.h"
#include "MagickCore/module.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/nt-base-private.h"
#include "MagickCore/option.h"
#include "MagickCore/profile.h"
#include "MagickCore/resource_.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/property.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/static.h"
#include "MagickCore/string_.h"
#include "MagickCore/string-private.h"
#include "MagickCore/timer-private.h"
#include "MagickCore/token.h"
#include "MagickCore/transform.h"
#include "MagickCore/utility.h"
#include "coders/bytebuffer-private.h"
#include "coders/ghostscript-private.h"
/*
Typedef declaractions.
*/
typedef struct _PSInfo
{
MagickBooleanType
cmyk;
SegmentInfo
bounds;
unsigned long
columns,
rows;
StringInfo
*icc_profile,
*photoshop_profile,
*xmp_profile;
} PSInfo;
/*
Forward declarations.
*/
static MagickBooleanType
WritePSImage(const ImageInfo *,Image *,ExceptionInfo *);
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% I s P S %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% IsPS() returns MagickTrue if the image format type, identified by the
% magick string, is PS.
%
% The format of the IsPS method is:
%
% MagickBooleanType IsPS(const unsigned char *magick,const size_t length)
%
% A description of each parameter follows:
%
% o magick: compare image format pattern against these bytes.
%
% o length: Specifies the length of the magick string.
%
*/
static MagickBooleanType IsPS(const unsigned char *magick,const size_t length)
{
if (length < 4)
return(MagickFalse);
if (memcmp(magick,"%!",2) == 0)
return(MagickTrue);
if (memcmp(magick,"\004%!",3) == 0)
return(MagickTrue);
return(MagickFalse);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d P S I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadPSImage() reads a Postscript image file and returns it. It allocates
% the memory necessary for the new Image structure and returns a pointer
% to the new image.
%
% The format of the ReadPSImage method is:
%
% Image *ReadPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o exception: return any errors or warnings in this structure.
%
*/
static inline int ProfileInteger(MagickByteBuffer *buffer,short int *hex_digits)
{
int
c,
l,
value;
register ssize_t
i;
l=0;
value=0;
for (i=0; i < 2; )
{
c=ReadMagickByteBuffer(buffer);
if ((c == EOF) || ((c == '%') && (l == '%')))
{
value=(-1);
break;
}
l=c;
c&=0xff;
if (isxdigit(c) == MagickFalse)
continue;
value=(int) ((size_t) value << 4)+hex_digits[c];
i++;
}
return(value);
}
static void ReadPSInfo(const ImageInfo *image_info,Image *image,
PSInfo *ps_info,ExceptionInfo *exception)
{
#define BeginDocument "BeginDocument:"
#define EndDocument "EndDocument:"
#define PostscriptLevel "PS-"
#define ImageData "ImageData:"
#define DocumentProcessColors "DocumentProcessColors:"
#define CMYKCustomColor "CMYKCustomColor:"
#define CMYKProcessColor "CMYKProcessColor:"
#define DocumentCustomColors "DocumentCustomColors:"
#define SpotColor "+ "
#define BoundingBox "BoundingBox:"
#define DocumentMedia "DocumentMedia:"
#define HiResBoundingBox "HiResBoundingBox:"
#define PageBoundingBox "PageBoundingBox:"
#define PageMedia "PageMedia:"
#define ICCProfile "BeginICCProfile:"
#define PhotoshopProfile "BeginPhotoshop:"
char
version[MagickPathExtent];
int
c;
MagickBooleanType
new_line,
skip;
MagickByteBuffer
buffer;
register char
*p;
register ssize_t
i;
SegmentInfo
bounds;
size_t
length;
ssize_t
count,
priority;
short int
hex_digits[256];
unsigned long
spotcolor;
(void) memset(&bounds,0,sizeof(bounds));
(void) memset(ps_info,0,sizeof(*ps_info));
ps_info->cmyk=image_info->colorspace == CMYKColorspace ? MagickTrue :
MagickFalse;
/*
Initialize hex values.
*/
(void) memset(hex_digits,0,sizeof(hex_digits));
hex_digits[(int) '0']=0;
hex_digits[(int) '1']=1;
hex_digits[(int) '2']=2;
hex_digits[(int) '3']=3;
hex_digits[(int) '4']=4;
hex_digits[(int) '5']=5;
hex_digits[(int) '6']=6;
hex_digits[(int) '7']=7;
hex_digits[(int) '8']=8;
hex_digits[(int) '9']=9;
hex_digits[(int) 'a']=10;
hex_digits[(int) 'b']=11;
hex_digits[(int) 'c']=12;
hex_digits[(int) 'd']=13;
hex_digits[(int) 'e']=14;
hex_digits[(int) 'f']=15;
hex_digits[(int) 'A']=10;
hex_digits[(int) 'B']=11;
hex_digits[(int) 'C']=12;
hex_digits[(int) 'D']=13;
hex_digits[(int) 'E']=14;
hex_digits[(int) 'F']=15;
priority=0;
*version='\0';
spotcolor=0;
skip=MagickFalse;
new_line=MagickTrue;
(void) memset(&buffer,0,sizeof(buffer));
buffer.image=image;
for (c=ReadMagickByteBuffer(&buffer); c != EOF; c=ReadMagickByteBuffer(&buffer))
{
switch(c)
{
case '<':
{
ReadGhostScriptXMPProfile(&buffer,&ps_info->xmp_profile);
continue;
}
case '\n':
case '\r':
new_line=MagickTrue;
continue;
case '%':
{
if (new_line == MagickFalse)
continue;
new_line=MagickFalse;
c=ReadMagickByteBuffer(&buffer);
if ((c == '%') || (c == '!'))
break;
if (c == 'B')
{
buffer.offset--;
break;
}
continue;
}
default:
continue;
}
/*
Skip %%BeginDocument thru %%EndDocument.
*/
if (CompareMagickByteBuffer(&buffer,BeginDocument,strlen(BeginDocument)) != MagickFalse)
skip=MagickTrue;
if (CompareMagickByteBuffer(&buffer,EndDocument,strlen(EndDocument)) != MagickFalse)
skip=MagickFalse;
if (skip != MagickFalse)
continue;
if ((*version == '\0') &&
(CompareMagickByteBuffer(&buffer,PostscriptLevel,strlen(PostscriptLevel)) != MagickFalse))
{
i=0;
for (c=ReadMagickByteBuffer(&buffer); c != EOF; c=ReadMagickByteBuffer(&buffer))
{
if ((c == '\r') || (c == '\n') || ((i+1) == sizeof(version)))
break;
version[i++]=(char) c;
}
version[i]='\0';
}
if (CompareMagickByteBuffer(&buffer,ImageData,strlen(ImageData)) != MagickFalse)
{
p=GetMagickByteBufferDatum(&buffer);
(void) sscanf(p,ImageData " %lu %lu",&ps_info->columns,&ps_info->rows);
}
/*
Is this a CMYK document?
*/
length=strlen(DocumentProcessColors);
if (CompareMagickByteBuffer(&buffer,DocumentProcessColors,length) != MagickFalse)
{
p=GetMagickByteBufferDatum(&buffer);
if ((StringLocateSubstring(p,"Cyan") != (char *) NULL) ||
(StringLocateSubstring(p,"Magenta") != (char *) NULL) ||
(StringLocateSubstring(p,"Yellow") != (char *) NULL))
ps_info->cmyk=MagickTrue;
}
if (CompareMagickByteBuffer(&buffer,CMYKCustomColor,strlen(CMYKCustomColor)) != MagickFalse)
ps_info->cmyk=MagickTrue;
if (CompareMagickByteBuffer(&buffer,CMYKProcessColor,strlen(CMYKProcessColor)) != MagickFalse)
ps_info->cmyk=MagickTrue;
length=strlen(DocumentCustomColors);
if ((CompareMagickByteBuffer(&buffer,DocumentCustomColors,length) != MagickFalse) ||
(CompareMagickByteBuffer(&buffer,CMYKCustomColor,strlen(CMYKCustomColor)) != MagickFalse) ||
(CompareMagickByteBuffer(&buffer,SpotColor,strlen(SpotColor)) != MagickFalse))
{
char
name[MagickPathExtent],
property[MagickPathExtent],
*value;
/*
Note spot names.
*/
(void) FormatLocaleString(property,MagickPathExtent,
"pdf:SpotColor-%.20g",(double) spotcolor++);
i=0;
for (c=ReadMagickByteBuffer(&buffer); c != EOF; c=ReadMagickByteBuffer(&buffer))
{
if ((isspace(c) != 0) || ((i+1) == sizeof(name)))
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,exception);
value=DestroyString(value);
continue;
}
if ((ps_info->icc_profile == (StringInfo *) NULL) &&
(CompareMagickByteBuffer(&buffer,ICCProfile,strlen(ICCProfile)) != MagickFalse))
{
unsigned char
*datum;
/*
Read ICC profile.
*/
if (SkipMagickByteBufferUntil(&buffer,'\n') != 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 char
*q;
unsigned long
extent;
/*
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 (SkipMagickByteBufferUntil(&buffer,'\n') != 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,2);
}
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,exception);
}
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[MagickPathExtent],
*density,
filename[MagickPathExtent],
input_filename[MagickPathExtent],
message[MagickPathExtent],
*options,
postscript_filename[MagickPathExtent];
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;
register 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,exception);
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->resolution.x == 0.0) || (image->resolution.y == 0.0))
{
flags=ParseGeometry(PSDensityGeometry,&geometry_info);
image->resolution.x=geometry_info.rho;
image->resolution.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->resolution.y=image->resolution.x;
}
if (image_info->density != (char *) NULL)
{
flags=ParseGeometry(image_info->density,&geometry_info);
image->resolution.x=geometry_info.rho;
image->resolution.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->resolution.y=image->resolution.x;
}
(void) ParseAbsoluteGeometry(PSPageGeometry,&page);
if (image_info->page != (char *) NULL)
(void) ParseAbsoluteGeometry(image_info->page,&page);
resolution=image->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,exception);
(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) FormatImageProperty(image,"ps:HiResBoundingBox",
"%gx%g%+.15g%+.15g",info.bounds.x2-info.bounds.x1,info.bounds.y2-
info.bounds.y1,info.bounds.x1,info.bounds.y1);
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
*page_geometry;
page_geometry=GetPageGeometry(option);
flags=ParseMetaGeometry(page_geometry,&page.x,&page.y,&page.width,
&page.height);
if (flags == NoValue)
{
(void) ThrowMagickException(exception,GetMagickModule(),OptionError,
"InvalidGeometry","`%s'",option);
page_geometry=DestroyString(page_geometry);
image=DestroyImage(image);
return((Image *) NULL);
}
page.width=(size_t) ((ssize_t) ceil((double) (page.width*
image->resolution.x/delta.x)-0.5));
page.height=(size_t) ((ssize_t) ceil((double) (page.height*
image->resolution.y/delta.y) -0.5));
page_geometry=DestroyString(page_geometry);
fitPage=MagickTrue;
}
if (IssRGBCompatibleColorspace(image_info->colorspace) != MagickFalse)
info.cmyk=MagickFalse;
/*
Create Ghostscript control file.
*/
file=AcquireUniqueFileResource(postscript_filename);
if (file == -1)
{
ThrowFileException(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"
"<</UseCIEColor true>>setpagedevice\n",MagickPathExtent);
count=write(file,command,(unsigned int) strlen(command));
if (image_info->page == (char *) NULL)
{
char
translate_geometry[MagickPathExtent];
(void) FormatLocaleString(translate_geometry,MagickPathExtent,
"%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,MagickPathExtent,"%gx%g",resolution.x,
resolution.y);
(void) FormatLocaleString(options,MagickPathExtent,"-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[MagickPathExtent];
(void) FormatLocaleString(pages,MagickPathExtent,"-dFirstPage=%.20g "
"-dLastPage=%.20g ",(double) read_info->scene+1,(double)
(read_info->scene+read_info->number_scenes));
(void) ConcatenateMagickString(options,pages,MagickPathExtent);
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 ",MagickPathExtent);
if (fitPage != MagickFalse)
(void) ConcatenateMagickString(options,"-dEPSFitPage ",
MagickPathExtent);
}
(void) CopyMagickString(filename,read_info->filename,MagickPathExtent);
(void) AcquireUniqueFilename(filename);
(void) RelinquishUniqueFileResource(filename);
(void) ConcatenateMagickString(filename,"%d",MagickPathExtent);
(void) FormatLocaleString(command,MagickPathExtent,
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,exception);
if ((status == MagickFalse) ||
(IsGhostscriptRendered(read_info->filename) == MagickFalse))
{
(void) ConcatenateMagickString(command," -c showpage",MagickPathExtent);
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,exception);
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,exception);
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);
CleanupPSInfo(&info);
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,exception);
if (info.photoshop_profile != (StringInfo *) NULL)
(void) SetImageProfile(image,"8bim",info.photoshop_profile,exception);
if (info.xmp_profile != (StringInfo *) NULL)
(void) SetImageProfile(image,"xmp",info.xmp_profile,exception);
CleanupPSInfo(&info);
if (image_info->number_scenes != 0)
{
Image
*clone_image;
/*
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,
MagickPathExtent);
(void) CopyMagickString(postscript_image->magick,image->magick,
MagickPathExtent);
if (info.columns != 0)
postscript_image->magick_columns=info.columns;
if (info.rows != 0)
postscript_image->magick_rows=info.rows;
postscript_image->page=page;
(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=AcquireMagickInfo("PS","EPI",
"Encapsulated PostScript Interchange format");
entry->decoder=(DecodeImageHandler *) ReadPSImage;
entry->encoder=(EncodeImageHandler *) WritePSImage;
entry->magick=(IsImageFormatHandler *) IsPS;
entry->flags|=CoderDecoderSeekableStreamFlag;
entry->flags^=CoderAdjoinFlag;
entry->flags^=CoderBlobSupportFlag;
entry->mime_type=ConstantString("application/postscript");
(void) RegisterMagickInfo(entry);
entry=AcquireMagickInfo("PS","EPS","Encapsulated PostScript");
entry->decoder=(DecodeImageHandler *) ReadPSImage;
entry->encoder=(EncodeImageHandler *) WritePSImage;
entry->magick=(IsImageFormatHandler *) IsPS;
entry->flags|=CoderDecoderSeekableStreamFlag;
entry->flags^=CoderAdjoinFlag;
entry->flags^=CoderBlobSupportFlag;
entry->mime_type=ConstantString("application/postscript");
(void) RegisterMagickInfo(entry);
entry=AcquireMagickInfo("PS","EPSF","Encapsulated PostScript");
entry->decoder=(DecodeImageHandler *) ReadPSImage;
entry->encoder=(EncodeImageHandler *) WritePSImage;
entry->magick=(IsImageFormatHandler *) IsPS;
entry->flags|=CoderDecoderSeekableStreamFlag;
entry->flags^=CoderAdjoinFlag;
entry->flags^=CoderBlobSupportFlag;
entry->mime_type=ConstantString("application/postscript");
(void) RegisterMagickInfo(entry);
entry=AcquireMagickInfo("PS","EPSI",
"Encapsulated PostScript Interchange format");
entry->decoder=(DecodeImageHandler *) ReadPSImage;
entry->encoder=(EncodeImageHandler *) WritePSImage;
entry->magick=(IsImageFormatHandler *) IsPS;
entry->flags|=CoderDecoderSeekableStreamFlag;
entry->flags^=CoderAdjoinFlag;
entry->flags^=CoderBlobSupportFlag;
entry->mime_type=ConstantString("application/postscript");
(void) RegisterMagickInfo(entry);
entry=AcquireMagickInfo("PS","PS","PostScript");
entry->decoder=(DecodeImageHandler *) ReadPSImage;
entry->encoder=(EncodeImageHandler *) WritePSImage;
entry->magick=(IsImageFormatHandler *) IsPS;
entry->mime_type=ConstantString("application/postscript");
entry->flags|=CoderDecoderSeekableStreamFlag;
entry->flags^=CoderBlobSupportFlag;
(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,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o image: the image.
%
% o exception: return any errors or warnings in this structure.
%
*/
static inline unsigned char *PopHexPixel(const char hex_digits[][3],
const size_t pixel,unsigned char *pixels)
{
register const char
*hex;
hex=hex_digits[pixel];
*pixels++=(unsigned char) (*hex++ & 0xff);
*pixels++=(unsigned char) (*hex & 0xff);
return(pixels);
}
static MagickBooleanType WritePSImage(const ImageInfo *image_info,Image *image,
ExceptionInfo *exception)
{
#define WriteRunlengthPacket(image,pixel,length,p) \
{ \
if ((image->alpha_trait != UndefinedPixelTrait) && (length != 0) && \
(GetPixelAlpha(image,p) == (Quantum) TransparentAlpha)) \
{ \
q=PopHexPixel(hex_digits,0xff,q); \
q=PopHexPixel(hex_digits,0xff,q); \
q=PopHexPixel(hex_digits,0xff,q); \
} \
else \
{ \
q=PopHexPixel(hex_digits,ScaleQuantumToChar(ClampToQuantum(pixel.red)),q); \
q=PopHexPixel(hex_digits,ScaleQuantumToChar(ClampToQuantum(pixel.green)),q); \
q=PopHexPixel(hex_digits,ScaleQuantumToChar(ClampToQuantum(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[MagickPathExtent],
date[MagickPathExtent],
**labels,
page_geometry[MagickPathExtent];
CompressionType
compression;
const char
*value;
const StringInfo
*profile;
double
pointsize;
GeometryInfo
geometry_info;
MagickBooleanType
status;
MagickOffsetType
scene;
MagickStatusType
flags;
PixelInfo
pixel;
PointInfo
delta,
resolution,
scale;
Quantum
index;
RectangleInfo
geometry,
media_info,
page_info;
register const Quantum
*p;
register ssize_t
i,
x;
register 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);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,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.
*/
(void) TransformImageColorspace(image,sRGBColorspace,exception);
delta.x=DefaultResolution;
delta.y=DefaultResolution;
resolution.x=image->resolution.x;
resolution.y=image->resolution.y;
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,MagickPathExtent,"%.20gx%.20g",
(double) image->columns,(double) image->rows);
if (image_info->page != (char *) NULL)
(void) CopyMagickString(page_geometry,image_info->page,MagickPathExtent);
else
if ((image->page.width != 0) && (image->page.height != 0))
(void) FormatLocaleString(page_geometry,MagickPathExtent,
"%.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,
MagickPathExtent);
(void) ConcatenateMagickString(page_geometry,">",MagickPathExtent);
(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,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",exception);
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",MagickPathExtent);
else
(void) CopyMagickString(buffer,"%!PS-Adobe-3.0 EPSF-3.0\n",
MagickPathExtent);
(void) WriteBlobString(image,buffer);
(void) WriteBlobString(image,"%%Creator: (ImageMagick)\n");
(void) FormatLocaleString(buffer,MagickPathExtent,"%%%%Title: (%s)\n",
image->filename);
(void) WriteBlobString(image,buffer);
timer=GetMagickTime();
(void) FormatMagickTime(timer,MagickPathExtent,date);
(void) FormatLocaleString(buffer,MagickPathExtent,
"%%%%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",
MagickPathExtent);
else
{
(void) FormatLocaleString(buffer,MagickPathExtent,
"%%%%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,MagickPathExtent,
"%%%%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,MagickPathExtent,
"%%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,MagickPathExtent,"%02X",
(unsigned int) (GetStringInfoDatum(profile)[i] & 0xff));
(void) WriteBlobString(image,buffer);
}
(void) WriteBlobString(image,"\n%EndPhotoshop\n");
}
profile=GetImageProfile(image,"xmp");
DisableMSCWarning(4127)
if (0 && (profile != (StringInfo *) NULL))
RestoreMSCWarning
{
/*
Embed XML profile.
*/
(void) WriteBlobString(image,"\n%begin_xml_code\n");
(void) FormatLocaleString(buffer,MagickPathExtent,
"\n%%begin_xml_packet: %.20g\n",(double)
GetStringInfoLength(profile));
(void) WriteBlobString(image,buffer);
for (i=0; i < (ssize_t) GetStringInfoLength(profile); i++)
(void) WriteBlobByte(image,GetStringInfoDatum(profile)[i]);
(void) WriteBlobString(image,"\n%end_xml_packet\n%end_xml_code\n");
}
value=GetImageProperty(image,"label",exception);
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,MagickPathExtent,
"%%%%Pages: %.20g\n",image_info->adjoin != MagickFalse ?
(double) imageListLength : 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;
register ssize_t
x;
ssize_t
y;
/*
Create preview image.
*/
preview_image=CloneImage(image,0,0,MagickTrue,exception);
if (preview_image == (Image *) NULL)
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
/*
Dump image as bitmap.
*/
(void) FormatLocaleString(buffer,MagickPathExtent,
"%%%%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,
exception);
if (p == (const Quantum *) NULL)
break;
bit=0;
byte=0;
for (x=0; x < (ssize_t) preview_image->columns; x++)
{
byte<<=1;
pixel=ClampToQuantum(GetPixelLuma(preview_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",exception);
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,MagickPathExtent,
" 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,MagickPathExtent,"%%%%Page: 1 %.20g\n",
(double) (page++));
(void) WriteBlobString(image,buffer);
(void) FormatLocaleString(buffer,MagickPathExtent,
"%%%%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",exception);
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,MagickPathExtent,"%.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",exception);
if (value != (const char *) NULL)
labels=StringToList(value);
if (labels != (char **) NULL)
{
for (i=0; labels[i] != (char *) NULL; i++)
{
(void) FormatLocaleString(buffer,MagickPathExtent,"%s \n",
labels[i]);
(void) WriteBlobString(image,buffer);
labels[i]=DestroyString(labels[i]);
}
labels=(char **) RelinquishMagickMemory(labels);
}
(void) memset(&pixel,0,sizeof(pixel));
pixel.alpha=(MagickRealType) TransparentAlpha;
index=(Quantum) 0;
x=0;
if ((image_info->type != TrueColorType) &&
(SetImageGray(image,exception) != MagickFalse))
{
if (SetImageMonochrome(image,exception) == MagickFalse)
{
Quantum
pixel;
/*
Dump image as grayscale.
*/
(void) FormatLocaleString(buffer,MagickPathExtent,
"%.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,exception);
if (p == (const Quantum *) 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+=GetPixelChannels(image);
}
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,MagickPathExtent,
"%.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,exception);
if (p == (const Quantum *) NULL)
break;
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+=GetPixelChannels(image);
}
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->alpha_trait != UndefinedPixelTrait))
{
/*
Dump DirectClass image.
*/
(void) FormatLocaleString(buffer,MagickPathExtent,
"%.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,exception);
if (p == (const Quantum *) NULL)
break;
GetPixelInfoPixel(image,p,&pixel);
length=255;
for (x=0; x < (ssize_t) image->columns; x++)
{
if ((GetPixelRed(image,p) == ClampToQuantum(pixel.red)) &&
(GetPixelGreen(image,p) == ClampToQuantum(pixel.green)) &&
(GetPixelBlue(image,p) == ClampToQuantum(pixel.blue)) &&
(GetPixelAlpha(image,p) == ClampToQuantum(pixel.alpha)) &&
(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;
}
GetPixelInfoPixel(image,p,&pixel);
p+=GetPixelChannels(image);
}
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,exception);
if (p == (const Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
if ((image->alpha_trait != UndefinedPixelTrait) &&
(GetPixelAlpha(image,p) == (Quantum) TransparentAlpha))
{
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(image,p)),q);
q=PopHexPixel(hex_digits,ScaleQuantumToChar(
GetPixelGreen(image,p)),q);
q=PopHexPixel(hex_digits,ScaleQuantumToChar(
GetPixelBlue(image,p)),q);
}
if ((q-pixels+6) >= 80)
{
*q++='\n';
(void) WriteBlob(image,q-pixels,pixels);
q=pixels;
}
p+=GetPixelChannels(image);
}
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,MagickPathExtent,
"%.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,MagickPathExtent,"%.20g\n",(double)
image->colors);
(void) WriteBlobString(image,buffer);
for (i=0; i < (ssize_t) image->colors; i++)
{
(void) FormatLocaleString(buffer,MagickPathExtent,"%02X%02X%02X\n",
ScaleQuantumToChar(ClampToQuantum(image->colormap[i].red)),
ScaleQuantumToChar(ClampToQuantum(image->colormap[i].green)),
ScaleQuantumToChar(ClampToQuantum(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,exception);
if (p == (const Quantum *) NULL)
break;
index=GetPixelIndex(image,p);
length=255;
for (x=0; x < (ssize_t) image->columns; x++)
{
if ((index == GetPixelIndex(image,p)) &&
(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(image,p);
pixel.red=(MagickRealType) GetPixelRed(image,p);
pixel.green=(MagickRealType) GetPixelGreen(image,p);
pixel.blue=(MagickRealType) GetPixelBlue(image,p);
pixel.alpha=(MagickRealType) GetPixelAlpha(image,p);
p+=GetPixelChannels(image);
}
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,exception);
if (p == (const Quantum *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
q=PopHexPixel(hex_digits,(size_t) GetPixelIndex(image,p),q);
if ((q-pixels+4) >= 80)
{
*q++='\n';
(void) WriteBlob(image,q-pixels,pixels);
q=pixels;
}
p+=GetPixelChannels(image);
}
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,MagickPathExtent,
"%%%%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,MagickPathExtent,
"%%%%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);
}
|