/
ps.c
2183 lines (2099 loc) · 74.8 KB
/
ps.c
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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 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/coders-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;
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,
spot_color;
MagickByteBuffer
buffer;
char
*p;
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) == (ssize_t) sizeof(version)))
{
new_line=MagickTrue;
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;
spot_color=MagickFalse;
length=strlen(DocumentCustomColors);
if (CompareMagickByteBuffer(&buffer,DocumentCustomColors,length) != MagickFalse)
{
spot_color=MagickTrue;
SkipMagickByteBuffer(&buffer,length+1);
}
if (spot_color == MagickFalse)
{
length=strlen(CMYKCustomColor);
if (CompareMagickByteBuffer(&buffer,CMYKCustomColor,length) != MagickFalse)
{
spot_color=MagickTrue;
SkipMagickByteBuffer(&buffer,length+1);
}
}
if (spot_color == MagickFalse)
{
length=strlen(SpotColor);
if (CompareMagickByteBuffer(&buffer,SpotColor,length) != MagickFalse)
{
spot_color=MagickTrue;
SkipMagickByteBuffer(&buffer,length+1);
}
}
if (spot_color != MagickFalse)
{
char
name[MagickPathExtent],
property[MagickPathExtent],
*value;
/*
Note spot names.
*/
(void) FormatLocaleString(property,MagickPathExtent,
"pdf:SpotColor-%.20g",(double) spotcolor++);
i=0;
for (c=PeekMagickByteBuffer(&buffer); c != EOF; c=PeekMagickByteBuffer(&buffer))
{
if ((c == '\r') || (c == '\n') || ((i+1) == MagickPathExtent))
{
new_line=MagickTrue;
break;
}
name[i++]=(char) ReadMagickByteBuffer(&buffer);
}
name[i]='\0';
value=ConstantString(name);
(void) StripMagickString(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 (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,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
crop,
fitPage,
status;
MagickStatusType
flags;
PointInfo
delta,
resolution;
PSInfo
info;
RectangleInfo
page;
ssize_t
count,
i;
unsigned long
scene;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickCoreSignature);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickCoreSignature);
if (IsEventLogging() != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
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);
if ((flags & RhoValue) != 0)
image->resolution.x=geometry_info.rho;
image->resolution.y=image->resolution.x;
if ((flags & SigmaValue) != 0)
image->resolution.y=geometry_info.sigma;
}
if (image_info->density != (char *) NULL)
{
flags=ParseGeometry(image_info->density,&geometry_info);
if ((flags & RhoValue) != 0)
image->resolution.x=geometry_info.rho;
image->resolution.y=image->resolution.x;
if ((flags & SigmaValue) != 0)
image->resolution.y=geometry_info.sigma;
}
(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 != (const 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);
CleanupPSInfo(&info);
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;
}
crop=MagickFalse;
if (*image_info->magick == 'E')
{
option=GetImageOption(image_info,"eps:use-cropbox");
if ((option == (const char *) NULL) ||
(IsStringTrue(option) != MagickFalse))
crop=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",
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);
if (crop == MagickFalse)
{
if (image_info->ping != MagickFalse)
(void) FormatLocaleString(density,MagickPathExtent,"2.0x2.0");
else
(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')
{
if (crop != 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;
if (image_info->ping != MagickFalse)
{
postscript_image->magick_columns=page.width;
postscript_image->magick_rows=page.height;
postscript_image->columns=page.width;
postscript_image->rows=page.height;
}
(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");