/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% PPPP SSSSS %
% P P SS %
% PPPP SSS %
% P SS %
% P SSSSS %
% %
% %
% Read/Write Postscript Format. %
% %
% Software Design %
% John Cristy %
% July 1992 %
% %
% %
% Copyright 1999-2007 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 %
% %
% http://www.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 "magick/studio.h"
#include "magick/blob.h"
#include "magick/blob-private.h"
#include "magick/color.h"
#include "magick/color-private.h"
#include "magick/colorspace.h"
#include "magick/constitute.h"
#include "magick/delegate.h"
#include "magick/draw.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/geometry.h"
#include "magick/image.h"
#include "magick/image-private.h"
#include "magick/list.h"
#include "magick/magick.h"
#include "magick/memory_.h"
#include "magick/monitor.h"
#include "magick/option.h"
#include "magick/profile.h"
#include "magick/resource_.h"
#include "magick/property.h"
#include "magick/quantum-private.h"
#include "magick/static.h"
#include "magick/string_.h"
#include "magick/module.h"
#include "magick/token.h"
#include "magick/transform.h"
#include "magick/utility.h"
/*
Forward declarations.
*/
static MagickBooleanType
WritePSImage(const ImageInfo *,Image *);
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% I n v o k e P o s t s r i p t D e l e g a t e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% InvokePostscriptDelegate() executes the postscript interpreter with the
% specified command.
%
% The format of the InvokePostscriptDelegate method is:
%
% MagickBooleanType InvokePostscriptDelegate(
% const MagickBooleanType verbose,const char *command)
%
% A description of each parameter follows:
%
% o verbose: A value other than zero displays the command prior to
% executing it.
%
% o command: The address of a character string containing the command to
% execute.
%
*/
static MagickBooleanType InvokePostscriptDelegate(
const MagickBooleanType verbose,const char *command)
{
#if defined(HasGS) || defined(__WINDOWS__)
char
**argv;
const GhostscriptVectors
*gs_func;
gs_main_instance
*interpreter;
int
argc,
code,
status;
register long
i;
#if defined(__WINDOWS__)
gs_func=NTGhostscriptDLLVectors();
#else
GhostscriptVectors
gs_func_struct;
gs_func=(&gs_func_struct);
gs_func_struct.exit=(int (*)(gs_main_instance *)) gsapi_exit;
gs_func_struct.init_with_args=(int (*)(gs_main_instance *,int,char **)) gsapi_init_with_args;
gs_func_struct.new_instance=(int (*)(gs_main_instance **,void *)) gsapi_new_instance;
gs_func_struct.run_string=(int (*)(gs_main_instance *,const char *,int,int *)) gsapi_run_string;
gs_func_struct.delete_instance=(void (*)(gs_main_instance *)) gsapi_delete_instance;
#endif
if (gs_func == (GhostscriptVectors *) NULL)
return(SystemCommand(verbose,command) == 0 ? MagickFalse : MagickTrue);
if (verbose != MagickFalse)
{
(void) fputs("[ghostscript library]",stdout);
(void) fputs(strchr(command,' '),stdout);
}
status=(gs_func->new_instance)(&interpreter,(void *) NULL);
if (status < 0)
return(SystemCommand(verbose,command) == 0 ? MagickFalse : MagickTrue);
argv=StringToArgv(command,&argc);
status=(gs_func->init_with_args)(interpreter,argc-1,argv+1);
if (status == 0)
status=(gs_func->run_string)(interpreter,"systemdict /start get exec\n",0,
&code);
(gs_func->exit)(interpreter);
(gs_func->delete_instance)(interpreter);
#if defined(__WINDOWS__)
NTGhostscriptUnLoadDLL();
#endif
for (i=0; i < (long) argc; i++)
argv[i]=DestroyString(argv[i]);
argv=(char **) RelinquishMagickMemory(argv);
if ((status == 0) || (status <= -100))
{
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"Ghostscript returns status %d, exit code %d",status,code);
return(MagickFalse);
}
return(MagickTrue);
#else
return(SystemCommand(verbose,command) != 0 ? MagickTrue : MagickFalse);
#endif
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% 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: This string is generally the first few bytes of an image file
% or blob.
%
% 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(Image *image,short int *hex_digits)
{
int
c,
l,
value;
register long
i;
l=0;
value=0;
for (i=0; i < 2; )
{
c=ReadBlobByte(image);
if ((c == EOF) || ((c == '%') && (l == '%')))
{
value=(-1);
break;
}
l=c;
c&=0xff;
if (isxdigit(c) == MagickFalse)
continue;
value=(int) ((unsigned long) value << 4)+hex_digits[c];
i++;
}
return(value);
}
static Image *ReadPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
#define BoundingBox "BoundingBox:"
#define BeginDocument "BeginDocument:"
#define ICCProfile "BeginICCProfile:"
#define CMYKCustomColor "CMYKCustomColor:"
#define DocumentMedia "DocumentMedia:"
#define DocumentCustomColors "DocumentCustomColors:"
#define DocumentProcessColors "DocumentProcessColors:"
#define EndDocument "EndDocument:"
#define HiResBoundingBox "HiResBoundingBox:"
#define ImageData "ImageData:"
#define PageBoundingBox "PageBoundingBox:"
#define LanguageLevel "LanguageLevel:"
#define PageMedia "PageMedia:"
#define Pages "Pages:"
#define PhotoshopProfile "BeginPhotoshop:"
#define PostscriptLevel "!PS-"
#define RenderPostscriptText " Rendering Postscript... "
#define SpotColor "+ "
#define XMLProfile "begin_xml_packet:"
char
command[MaxTextExtent],
density[MaxTextExtent],
filename[MaxTextExtent],
geometry[MaxTextExtent],
input_filename[MaxTextExtent],
options[MaxTextExtent],
postscript_filename[MaxTextExtent],
translate_geometry[MaxTextExtent];
const char
*option;
const DelegateInfo
*delegate_info;
GeometryInfo
geometry_info;
Image
*image,
*next_image,
*postscript_image;
ImageInfo
*read_info;
int
c,
file;
MagickBooleanType
cmyk,
skip,
status;
MagickStatusType
flags;
PointInfo
delta;
RectangleInfo
page;
register char
*p;
register long
i;
SegmentInfo
bounds,
hires_bounds;
short int
hex_digits[256];
size_t
length;
ssize_t
count;
StringInfo
*profile;
unsigned long
columns,
extent,
language_level,
pages,
rows,
scene,
spotcolor;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AllocateImage(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);
}
/*
Initialize hex values.
*/
(void) ResetMagickMemory(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;
/*
Set the page density.
*/
delta.x=DefaultResolution;
delta.y=DefaultResolution;
if ((image->y_resolution == 0.0) || (image->y_resolution == 0.0))
{
flags=ParseGeometry(PSDensityGeometry,&geometry_info);
image->y_resolution=geometry_info.rho;
image->y_resolution=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->y_resolution=image->y_resolution;
}
(void) FormatMagickString(density,MaxTextExtent,"%gx%g",image->y_resolution,
image->y_resolution);
/*
Determine page geometry from the Postscript bounding box.
*/
(void) ResetMagickMemory(&bounds,0,sizeof(bounds));
(void) ResetMagickMemory(&hires_bounds,0,sizeof(hires_bounds));
(void) ResetMagickMemory(&page,0,sizeof(page));
(void) ResetMagickMemory(command,0,sizeof(command));
hires_bounds.x2=0.0;
hires_bounds.y2=0.0;
columns=0;
rows=0;
extent=0;
spotcolor=0;
language_level=1;
skip=MagickFalse;
cmyk=image_info->colorspace == CMYKColorspace ? MagickTrue : MagickFalse;
pages=(~0UL);
p=command;
for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image))
{
if (image_info->page != (char *) NULL)
continue;
/*
Note document structuring comments.
*/
*p++=(char) c;
if ((c != (int) '%') && (c != '\n') &&
((size_t) (p-command) < (MaxTextExtent/2)))
continue;
*p='\0';
p=command;
/*
Skip %%BeginDocument thru %%EndDocument.
*/
if (LocaleNCompare(BeginDocument,command,strlen(BeginDocument)) == 0)
skip=MagickTrue;
if (LocaleNCompare(EndDocument,command,strlen(EndDocument)) == 0)
skip=MagickFalse;
if (skip != MagickFalse)
continue;
if (LocaleNCompare(PostscriptLevel,command,strlen(PostscriptLevel)) == 0)
{
(void) SetImageProperty(image,"ps:Level",command+4);
if (GlobExpression(command,"*EPSF-*",MagickTrue) != MagickFalse)
pages=1;
}
if (LocaleNCompare(LanguageLevel,command,strlen(LanguageLevel)) == 0)
(void) sscanf(command,LanguageLevel " %lu",&language_level);
if (LocaleNCompare(Pages,command,strlen(Pages)) == 0)
(void) sscanf(command,Pages " %lu",&pages);
if (LocaleNCompare(ImageData,command,strlen(Pages)) == 0)
(void) sscanf(command,ImageData " %lu %lu",&columns,&rows);
if (LocaleNCompare(ICCProfile,command,strlen(PhotoshopProfile)) == 0)
{
unsigned char
*datum;
/*
Read ICC profile.
*/
profile=AcquireStringInfo(65536);
for (i=0; (c=ProfileInteger(image,hex_digits)) != EOF; i++)
{
SetStringInfoLength(profile,(size_t) i+1);
datum=GetStringInfoDatum(profile);
datum[i]=(unsigned char) c;
}
(void) SetImageProfile(image,"icc",profile);
profile=DestroyStringInfo(profile);
continue;
}
if (LocaleNCompare(PhotoshopProfile,command,strlen(PhotoshopProfile)) == 0)
{
unsigned char
*p;
/*
Read Photoshop profile.
*/
count=(ssize_t) sscanf(command,PhotoshopProfile " %lu",&extent);
if (count != 1)
continue;
length=extent;
profile=AcquireStringInfo(length);
p=GetStringInfoDatum(profile);
for (i=0; i < (long) length; i++)
*p++=(unsigned char) ProfileInteger(image,hex_digits);
(void) SetImageProfile(image,"8bim",profile);
profile=DestroyStringInfo(profile);
continue;
}
if (LocaleNCompare(XMLProfile,command,strlen(XMLProfile)) == 0)
{
unsigned char
*p;
/*
Read XML profile.
*/
count=(ssize_t) sscanf(command,XMLProfile " %lu",&extent);
if (count != 1)
continue;
length=extent;
profile=AcquireStringInfo(length);
p=GetStringInfoDatum(profile);
for (i=0; i < (long) length; i++)
*p++=(unsigned char) ReadBlobByte(image);
(void) SetImageProfile(image,"xml",profile);
profile=DestroyStringInfo(profile);
continue;
}
/*
Is this a CMYK document?
*/
length=strlen(DocumentProcessColors);
if (LocaleNCompare(DocumentProcessColors,command,length) == 0)
cmyk=MagickTrue;
if (LocaleNCompare(CMYKCustomColor,command,strlen(CMYKCustomColor)) == 0)
cmyk=MagickTrue;
length=strlen(DocumentCustomColors);
if ((LocaleNCompare(DocumentCustomColors,command,length) == 0) ||
(LocaleNCompare(CMYKCustomColor,command,strlen(CMYKCustomColor)) == 0) ||
(LocaleNCompare(SpotColor,command,strlen(SpotColor)) == 0))
{
char
property[MaxTextExtent],
*value;
register char
*p;
/*
Note spot names.
*/
(void) FormatMagickString(property,MaxTextExtent,"ps:SpotColor-%lu",
spotcolor++);
for (p=command; *p != '\0'; p++)
if (isspace((int) (unsigned char) *p) != 0)
break;
value=AcquireString(p);
(void) SubstituteString(&value,"(","");
(void) SubstituteString(&value,")","");
(void) StripString(value);
(void) SetImageProperty(image,property,value);
value=DestroyString(value);
continue;
}
/*
Note region defined by bounding box.
*/
count=0;
if (LocaleNCompare(BoundingBox,command,strlen(BoundingBox)) == 0)
count=(ssize_t) sscanf(command,BoundingBox " %lf %lf %lf %lf",&bounds.x1,
&bounds.y1,&bounds.x2,&bounds.y2);
if (LocaleNCompare(DocumentMedia,command,strlen(DocumentMedia)) == 0)
count=(ssize_t) sscanf(command,DocumentMedia " %*s %lf %lf",&bounds.x2,
&bounds.y2)+2;
if (LocaleNCompare(HiResBoundingBox,command,strlen(HiResBoundingBox)) == 0)
count=(ssize_t) sscanf(command,HiResBoundingBox " %lf %lf %lf %lf",
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
if (LocaleNCompare(PageBoundingBox,command,strlen(PageBoundingBox)) == 0)
count=(ssize_t) sscanf(command,PageBoundingBox " %lf %lf %lf %lf",
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
if (LocaleNCompare(PageMedia,command,strlen(PageMedia)) == 0)
count=(ssize_t) sscanf(command,PageMedia " %*s %lf %lf",&bounds.x2,
&bounds.y2)+2;
if (count != 4)
continue;
if (((bounds.x2 > hires_bounds.x2) && (bounds.y2 > hires_bounds.y2)) ||
((hires_bounds.x2 == 0.0) && (hires_bounds.y2 == 0.0)))
{
/*
Set Postscript render geometry.
*/
(void) FormatMagickString(geometry,MaxTextExtent,"%gx%g%+g%+g",
bounds.x2-bounds.x1,bounds.y2-bounds.y1,bounds.x1,bounds.y1);
(void) SetImageProperty(image,"ps:HiResBoundingBox",geometry);
page.width=(unsigned long) (bounds.x2-bounds.x1+0.5);
page.height=(unsigned long) (bounds.y2-bounds.y1+0.5);
hires_bounds=bounds;
}
}
CloseBlob(image);
if (image_info->colorspace == RGBColorspace)
cmyk=MagickFalse;
/*
Create Ghostscript control file.
*/
file=AcquireUniqueFileResource(postscript_filename);
if (file == -1)
{
ThrowFileException(&image->exception,FileOpenError,"UnableToOpenFile",
image_info->filename);
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",MaxTextExtent);
(void) write(file,command,(unsigned int) strlen(command));
(void) FormatMagickString(translate_geometry,MaxTextExtent,
"%g %g translate\n",-bounds.x1,-bounds.y1);
(void) write(file,translate_geometry,strlen(translate_geometry));
file=close(file)-1;
/*
Render Postscript with the Ghostscript delegate.
*/
if ((page.width == 0) || (page.height == 0))
(void) ParseAbsoluteGeometry(PSPageGeometry,&page);
if (image_info->page != (char *) NULL)
(void) ParseAbsoluteGeometry(image_info->page,&page);
page.width=(unsigned long) (page.width*image->y_resolution/delta.x+0.5);
page.height=(unsigned long) (page.height*image->y_resolution/delta.y+0.5);
(void) FormatMagickString(geometry,MaxTextExtent,"%lux%lu",
page.width,page.height);
if (image_info->monochrome != MagickFalse)
delegate_info=GetDelegateInfo("ps:mono",(char *) NULL,exception);
else
if (cmyk != MagickFalse)
delegate_info=GetDelegateInfo("ps:cmyk",(char *) NULL,exception);
else
if ((pages == 1) && (language_level > 2))
delegate_info=GetDelegateInfo("ps:alpha",(char *) NULL,exception);
else
delegate_info=GetDelegateInfo("ps:color",(char *) NULL,exception);
if (delegate_info == (const DelegateInfo *) NULL)
{
(void) RelinquishUniqueFileResource(postscript_filename);
image=DestroyImageList(image);
return((Image *) NULL);
}
*options='\0';
read_info=CloneImageInfo(image_info);
*read_info->magick='\0';
if (read_info->number_scenes != 0)
{
char
pages[MaxTextExtent];
if (read_info->number_scenes != 1)
(void) FormatMagickString(pages,MaxTextExtent,"-dLastPage=%lu",
read_info->scene+read_info->number_scenes);
else
(void) FormatMagickString(pages,MaxTextExtent,"-dFirstPage=%lu "
"-dLastPage=%lu",read_info->scene+1,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';
}
option=GetImageOption(image_info,"ps:use-cropbox");
if ((option != (const char *) NULL) && (IsMagickTrue(option) != MagickFalse))
(void) ConcatenateMagickString(options,"-dEPSCrop ",MaxTextExtent);
(void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
(void) AcquireUniqueFilename(read_info->filename);
(void) FormatMagickString(command,MaxTextExtent,
GetDelegateCommands(delegate_info),
read_info->antialias != MagickFalse ? 4 : 1,
read_info->antialias != MagickFalse ? 4 : 1,geometry,density,options,
read_info->filename,postscript_filename,input_filename);
status=InvokePostscriptDelegate(read_info->verbose,command);
if (status != MagickFalse)
{
(void) ConcatenateMagickString(command," -c showpage",MaxTextExtent);
status=InvokePostscriptDelegate(read_info->verbose,command);
}
postscript_image=(Image *) NULL;
if (status == MagickFalse)
postscript_image=ReadImage(read_info,exception);
(void) RelinquishUniqueFileResource(postscript_filename);
(void) RelinquishUniqueFileResource(read_info->filename);
(void) RelinquishUniqueFileResource(input_filename);
read_info=DestroyImageInfo(read_info);
if (postscript_image == (Image *) NULL)
{
image=DestroyImageList(image);
ThrowFileException(exception,DelegateError,"PostscriptDelegateFailed",
image_info->filename);
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;
}
}
scene=0;
do
{
(void) CopyMagickString(postscript_image->filename,filename,MaxTextExtent);
if (columns != 0)
postscript_image->magick_columns=columns;
if (rows != 0)
postscript_image->magick_rows=rows;
postscript_image->page=page;
postscript_image->scene=scene++;
(void) CloneImageProfiles(postscript_image,image);
(void) CloneImageProperties(postscript_image,image);
next_image=SyncNextImageInList(postscript_image);
if (next_image != (Image *) NULL)
postscript_image=next_image;
} while (next_image != (Image *) NULL);
image=DestroyImageList(image);
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:
%
% unsigned long RegisterPSImage(void)
%
*/
ModuleExport unsigned long RegisterPSImage(void)
{
MagickInfo
*entry;
entry=SetMagickInfo("EPI");
entry->decoder=(DecodeImageHandler *) ReadPSImage;
entry->encoder=(EncodeImageHandler *) WritePSImage;
entry->magick=(IsImageFormatHandler *) IsPS;
entry->adjoin=MagickFalse;
entry->blob_support=MagickFalse;
entry->seekable_stream=MagickTrue;
entry->thread_support=EncoderThreadSupport;
entry->description=ConstantString(
"Encapsulated PostScript Interchange format");
entry->module=ConstantString("PS");
(void) RegisterMagickInfo(entry);
entry=SetMagickInfo("EPS");
entry->decoder=(DecodeImageHandler *) ReadPSImage;
entry->encoder=(EncodeImageHandler *) WritePSImage;
entry->magick=(IsImageFormatHandler *) IsPS;
entry->adjoin=MagickFalse;
entry->blob_support=MagickFalse;
entry->seekable_stream=MagickTrue;
entry->thread_support=EncoderThreadSupport;
entry->description=ConstantString("Encapsulated PostScript");
entry->module=ConstantString("PS");
(void) RegisterMagickInfo(entry);
entry=SetMagickInfo("EPSF");
entry->decoder=(DecodeImageHandler *) ReadPSImage;
entry->encoder=(EncodeImageHandler *) WritePSImage;
entry->magick=(IsImageFormatHandler *) IsPS;
entry->adjoin=MagickFalse;
entry->blob_support=MagickFalse;
entry->seekable_stream=MagickTrue;
entry->description=ConstantString("Encapsulated PostScript");
entry->module=ConstantString("PS");
(void) RegisterMagickInfo(entry);
entry=SetMagickInfo("EPSI");
entry->decoder=(DecodeImageHandler *) ReadPSImage;
entry->encoder=(EncodeImageHandler *) WritePSImage;
entry->magick=(IsImageFormatHandler *) IsPS;
entry->adjoin=MagickFalse;
entry->blob_support=MagickFalse;
entry->seekable_stream=MagickTrue;
entry->thread_support=EncoderThreadSupport;
entry->description=ConstantString(
"Encapsulated PostScript Interchange format");
entry->module=ConstantString("PS");
(void) RegisterMagickInfo(entry);
entry=SetMagickInfo("PS");
entry->decoder=(DecodeImageHandler *) ReadPSImage;
entry->encoder=(EncodeImageHandler *) WritePSImage;
entry->magick=(IsImageFormatHandler *) IsPS;
entry->module=ConstantString("PS");
entry->blob_support=MagickFalse;
entry->seekable_stream=MagickTrue;
entry->thread_support=EncoderThreadSupport;
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 size_t MagickMin(const size_t x,const size_t y)
{
if (x < y)
return(x);
return(y);
}
static MagickBooleanType WritePSImage(const ImageInfo *image_info,Image *image)
{
#define WriteRunlengthPacket(image,pixel,length,p) \
{ \
if ((image->matte != MagickFalse) && \
(p->opacity == (Quantum) TransparentOpacity)) \
(void) FormatMagickString(buffer,MaxTextExtent,"ffffff%02lX", \
(unsigned long) MagickMin(length,0xff)); \
else \
(void) FormatMagickString(buffer,MaxTextExtent,"%02X%02X%02X%02lX", \
ScaleQuantumToChar(pixel.red),ScaleQuantumToChar(pixel.green), \
ScaleQuantumToChar(pixel.blue),(unsigned long) MagickMin(length,0xff)); \
(void) WriteBlobString(image,buffer); \
}
static const char
*PostscriptProlog[]=
{
"%%BeginProlog",
"%",
"% Display a color image. The image is displayed in color on",
"% Postscript viewers or printers that support color, otherwise",
"% it is displayed as grayscale.",
"%",
"/DirectClassPacket",
"{",
" %",
" % Get a DirectClass packet.",
" %",
" % Parameters:",
" % red.",
" % green.",
" % blue.",
" % length: number of pixels minus one of this color (optional).",
" %",
" currentfile color_packet readhexstring pop pop",
" compression 0 eq",
" {",
" /number_pixels 3 def",
" }",
" {",
" currentfile byte readhexstring pop 0 get",
" /number_pixels exch 1 add 3 mul def",
" } ifelse",
" 0 3 number_pixels 1 sub",
" {",
" pixels exch color_packet putinterval",
" } for",
" pixels 0 number_pixels getinterval",
"} bind def",
"",
"/DirectClassImage",
"{",
" %",
" % Display a DirectClass image.",
" %",
" systemdict /colorimage known",
" {",
" columns rows 8",
" [",
" columns 0 0",
" rows neg 0 rows",
" ]",
" { DirectClassPacket } false 3 colorimage",
" }",
" {",
" %",
" % No colorimage operator; convert to grayscale.",
" %",
" columns rows 8",
" [",
" columns 0 0",
" rows neg 0 rows",
" ]",
" { GrayDirectClassPacket } image",
" } ifelse",
"} bind def",
"",
"/GrayDirectClassPacket",
"{",
" %",
" % Get a DirectClass packet; convert to grayscale.",
" %",
" % Parameters:",
" % red",
" % green",
" % blue",
" % length: number of pixels minus one of this color (optional).",
" %",
" currentfile color_packet readhexstring pop pop",
" color_packet 0 get 0.299 mul",
" color_packet 1 get 0.587 mul add",
" color_packet 2 get 0.114 mul add",
" cvi",
" /gray_packet exch def",
" compression 0 eq",
" {",
" /number_pixels 1 def",
" }",
" {",
" currentfile byte readhexstring pop 0 get",
" /number_pixels exch 1 add def",
" } ifelse",
" 0 1 number_pixels 1 sub",
" {",
" pixels exch gray_packet put",
" } for",
" pixels 0 number_pixels getinterval",
"} bind def",
"",
"/GrayPseudoClassPacket",
"{",
" %",
" % Get a PseudoClass packet; convert to grayscale.",
" %",
" % Parameters:",
" % index: index into the colormap.",
" % length: number of pixels minus one of this color (optional).",
" %",
" currentfile byte readhexstring pop 0 get",
" /offset exch 3 mul def",
" /color_packet colormap offset 3 getinterval def",
" color_packet 0 get 0.299 mul",
" color_packet 1 get 0.587 mul add",
" color_packet 2 get 0.114 mul add",
" cvi",
" /gray_packet exch def",
" compression 0 eq",
" {",
" /number_pixels 1 def",
" }",
" {",
" currentfile byte readhexstring pop 0 get",
" /number_pixels exch 1 add def",
" } ifelse",
" 0 1 number_pixels 1 sub",
" {",
" pixels exch gray_packet put",
" } for",
" pixels 0 number_pixels getinterval",
"} bind def",
"",
"/PseudoClassPacket",
"{",
" %",
" % Get a PseudoClass packet.",
" %",
" % Parameters:",
" % index: index into the colormap.",
" % length: number of pixels minus one of this color (optional).",
" %",
" currentfile byte readhexstring pop 0 get",
" /offset exch 3 mul def",
" /color_packet colormap offset 3 getinterval def",
" compression 0 eq",
" {",
" /number_pixels 3 def",
" }",
" {",
" currentfile byte readhexstring pop 0 get",
" /number_pixels exch 1 add 3 mul def",
" } ifelse",
" 0 3 number_pixels 1 sub",
" {",
" pixels exch color_packet putinterval",
" } for",
" pixels 0 number_pixels getinterval",
"} bind def",
"",
"/PseudoClassImage",
"{",
" %",
" % Display a PseudoClass image.",
" %",
" % Parameters:",
" % class: 0-PseudoClass or 1-Grayscale.",
" %",
" currentfile buffer readline pop",
" token pop /class exch def pop",
" class 0 gt",
" {",
" currentfile buffer readline pop",
" token pop /depth exch def pop",
" /grays columns 8 add depth sub depth mul 8 idiv string def",
" columns rows depth",
" [",
" columns 0 0",
" rows neg 0 rows",
" ]",
" { currentfile grays readhexstring pop } image",
" }",
" {",
" %",
" % Parameters:",
" % colors: number of colors in the colormap.",
" % colormap: red, green, blue color packets.",
" %",
" currentfile buffer readline pop",
" token pop /colors exch def pop",
" /colors colors 3 mul def",
" /colormap colors string def",
" currentfile colormap readhexstring pop pop",
" systemdict /colorimage known",
" {",
" columns rows 8",
" [",
" columns 0 0",
" rows neg 0 rows",
" ]",
" { PseudoClassPacket } false 3 colorimage",
" }",
" {",
" %",
" % No colorimage operator; convert to grayscale.",
" %",
" columns rows 8",
" [",
" columns 0 0",
" rows neg 0 rows",
" ]",
" { GrayPseudoClassPacket } image",
" } ifelse",
" } ifelse",
"} bind def",
"",
"/DisplayImage",
"{",
" %",
" % Display a DirectClass or PseudoClass image.",
" %",
" % Parameters:",
" % x & y translation.",
" % x & y scale.",
" % label pointsize.",
" % image label.",
" % image columns & rows.",
" % class: 0-DirectClass or 1-PseudoClass.",
" % compression: 0-none or 1-RunlengthEncoded.",
" % hex color packets.",
" %",
" gsave",
" /buffer 512 string def",
" /byte 1 string def",
" /color_packet 3 string def",
" /pixels 768 string def",
"",
" currentfile buffer readline pop",
" token pop /x exch def",
" token pop /y exch def pop",
" x y translate",
" currentfile buffer readline pop",
" token pop /x exch def",
" token pop /y exch def pop",
" currentfile buffer readline pop",
" token pop /pointsize exch def pop",
" /Times-Roman findfont pointsize scalefont setfont",
(char *) NULL
},
*PostscriptEpilog[]=
{
" x y scale",
" currentfile buffer readline pop",
" token pop /columns exch def",
" token pop /rows exch def pop",
" currentfile buffer readline pop",
" token pop /class exch def pop",
" currentfile buffer readline pop",
" token pop /compression exch def pop",
" class 0 gt { PseudoClassImage } { DirectClassImage } ifelse",
" grestore",
(char *) NULL
};
char
buffer[MaxTextExtent],
date[MaxTextExtent],
**labels,
page_geometry[MaxTextExtent];
const char
**q,
*value;
const StringInfo
*profile;
double
pointsize;
GeometryInfo
geometry_info;
ImageType
type;
IndexPacket
index;
long
j,
y;
MagickBooleanType
status;
MagickOffsetType
scene;
MagickStatusType
flags;
PixelPacket
pixel;
PointInfo
delta,
resolution,
scale;
RectangleInfo
geometry,
media_info,
page_info;
register const PixelPacket
*p;
register IndexPacket
*indexes;
register long
i,
x;
SegmentInfo
bounds;
ssize_t
count;
size_t
length;
time_t
timer;
unsigned long
bit,
byte,
page,
text_size;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
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) ResetMagickMemory(&bounds,0,sizeof(bounds));
page=1;
scene=0;
do
{
/*
Scale relative to dots-per-inch.
*/
if (image_info->colorspace == UndefinedColorspace)
(void) SetImageColorspace(image,RGBColorspace);
delta.x=DefaultResolution;
delta.y=DefaultResolution;
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->x_resolution != 0.0)
resolution.x=image->x_resolution;
if (image->y_resolution != 0.0)
resolution.y=image->y_resolution;
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*=2.54;
resolution.y*=2.54;
}
SetGeometry(image,&geometry);
(void) FormatMagickString(page_geometry,MaxTextExtent,"%lux%lu",
image->columns,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) FormatMagickString(page_geometry,MaxTextExtent,"%lux%lu%+ld%+ld",
image->page.width,image->page.height,image->page.x,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=(double) (geometry.width*delta.x)/resolution.x;
geometry.width=(unsigned long) (scale.x+0.5);
scale.y=(double) (geometry.height*delta.y)/resolution.y;
geometry.height=(unsigned long) (scale.y+0.5);
(void) ParseAbsoluteGeometry(page_geometry,&media_info);
(void) ParseGravityGeometry(image,page_geometry,&page_info);
if (image->gravity != UndefinedGravity)
{
geometry.x=(-page_info.x);
geometry.y=(long) (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=(unsigned long) (MultilineCensus(value)*pointsize+12);
count=0;
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) FormatMagickString(buffer,MaxTextExtent,"%%%%Title: (%s)\n",
image->filename);
(void) WriteBlobString(image,buffer);
timer=time((time_t *) NULL);
(void) localtime(&timer);
(void) CopyMagickString(date,ctime(&timer),MaxTextExtent);
date[strlen(date)-1]='\0';
(void) FormatMagickString(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) FormatMagickString(buffer,MaxTextExtent,
"%%%%BoundingBox: %ld %ld %ld %ld\n",(long) (bounds.x1+0.5),
(long) (bounds.y1+0.5),(long) (bounds.x2+0.5),
(long) (bounds.y2+0.5));
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(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) FormatMagickString(buffer,MaxTextExtent,
"%%BeginPhotoshop: %lu",(unsigned long) GetStringInfoLength(
profile));
(void) WriteBlobString(image,buffer);
for (i=0; i < (long) GetStringInfoLength(profile); i++)
{
if ((i % 32) == 0)
(void) WriteBlobString(image,"\n% ");
(void) FormatMagickString(buffer,MaxTextExtent,"%02X",
(unsigned int) (GetStringInfoDatum(profile)[i] & 0xff));
(void) WriteBlobString(image,buffer);
}
(void) WriteBlobString(image,"\n%EndPhotoshop\n");
}
profile=GetImageProfile(image,"xml");
if (profile != (StringInfo *) NULL)
{
/*
Embed XML profile.
*/
(void) FormatMagickString(buffer,MaxTextExtent,
"%%begin_xml_packet: %lu\n",(unsigned long) GetStringInfoLength(
profile));
(void) WriteBlobString(image,buffer);
for (i=0; i < (long) GetStringInfoLength(profile); i++)
(void) WriteBlobByte(image,GetStringInfoDatum(profile)[i]);
(void) WriteBlobString(image,"\n%end_xml_packet\n");
}
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) FormatMagickString(buffer,MaxTextExtent,"%%%%Pages: %lu\n",
image_info->adjoin != MagickFalse ? (unsigned long)
GetImageListLength(image) : 1UL);
(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))
{
Image
*preview_image;
long
y;
register long
x;
/*
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) SetImageType(preview_image,BilevelType);
(void) FormatMagickString(buffer,MaxTextExtent,
"%%%%BeginPreview: %lu %lu %lu %lu\n%% ",preview_image->columns,
preview_image->rows,1L,(((preview_image->columns+7) >> 3)*
preview_image->rows+35)/36);
(void) WriteBlobString(image,buffer);
count=0;
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(preview_image,0,y,preview_image->columns,1,
&preview_image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetIndexes(preview_image);
bit=0;
byte=0;
for (x=0; x < (long) preview_image->columns; x++)
{
byte<<=1;
if (PixelIntensity(p) >= ((MagickRealType) QuantumRange/2.0))
byte|=0x01;
bit++;
if (bit == 8)
{
(void) FormatMagickString(buffer,MaxTextExtent,"%02X",
(unsigned int) (byte & 0xff));
(void) WriteBlobString(image,buffer);
count++;
if (count == 36)
{
(void) WriteBlobString(image,"\n% ");
count=0;
};
bit=0;
byte=0;
}
}
if (bit != 0)
{
byte<<=(8-bit);
(void) FormatMagickString(buffer,MaxTextExtent,"%02X",
(unsigned int) (byte & 0xff));
(void) WriteBlobString(image,buffer);
count++;
if (count == 36)
{
(void) WriteBlobString(image,"\n% ");
count=0;
};
};
}
(void) WriteBlobString(image,"\n%%EndPreview\n");
preview_image=DestroyImage(preview_image);
}
/*
Output Postscript commands.
*/
for (q=PostscriptProlog; *q; q++)
{
(void) FormatMagickString(buffer,MaxTextExtent,"%s\n",*q);
(void) WriteBlobString(image,buffer);
}
value=GetImageProperty(image,"label");
if (value != (const char *) NULL)
for (j=(long) MultilineCensus(value)-1; j >= 0; j--)
{
(void) WriteBlobString(image," /label 512 string def\n");
(void) WriteBlobString(image," currentfile label readline pop\n");
(void) FormatMagickString(buffer,MaxTextExtent,
" 0 y %g add moveto label show pop\n",j*pointsize+12);
(void) WriteBlobString(image,buffer);
}
for (q=PostscriptEpilog; *q; q++)
{
(void) FormatMagickString(buffer,MaxTextExtent,"%s\n",*q);
(void) WriteBlobString(image,buffer);
}
if (LocaleCompare(image_info->magick,"PS") == 0)
(void) WriteBlobString(image," showpage\n");
(void) WriteBlobString(image,"} bind def\n");
(void) WriteBlobString(image,"%%EndProlog\n");
}
(void) FormatMagickString(buffer,MaxTextExtent,"%%%%Page: 1 %lu\n",page++);
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(buffer,MaxTextExtent,
"%%%%PageBoundingBox: %ld %ld %ld %ld\n",geometry.x,geometry.y,
geometry.x+(long) geometry.width,geometry.y+(long) (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) FormatMagickString(buffer,MaxTextExtent,"%ld %ld\n%g %g\n%f\n",
geometry.x,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) FormatMagickString(buffer,MaxTextExtent,"%s \n",
labels[i]);
(void) WriteBlobString(image,buffer);
labels[i]=DestroyString(labels[i]);
}
labels=(char **) RelinquishMagickMemory(labels);
}
(void) ResetMagickMemory(&pixel,0,sizeof(pixel));
pixel.opacity=(Quantum) TransparentOpacity;
i=0;
index=(IndexPacket) 0;
x=0;
type=GetImageType(image,&image->exception);
if ((image_info->type != TrueColorType) &&
((type == BilevelType) || (type == GrayscaleType) ||
(type == GrayscaleMatteType)))
{
(void) FormatMagickString(buffer,MaxTextExtent,"%lu %lu\n1\n1\n1\n%d\n",
image->columns,image->rows,type == BilevelType ? 1 : 8);
(void) WriteBlobString(image,buffer);
if (type != BilevelType)
{
/*
Dump image as grayscale.
*/
i++;
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (x=0; x < (long) image->columns; x++)
{
(void) FormatMagickString(buffer,MaxTextExtent,"%02X",
ScaleQuantumToChar(PixelIntensityToQuantum(p)));
(void) WriteBlobString(image,buffer);
i++;
if (i == 36)
{
(void) WriteBlobByte(image,'\n');
i=0;
}
p++;
}
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
}
else
{
long
y;
/*
Dump image as bitmap.
*/
(void) SetImageType(image,BilevelType);
count=0;
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetIndexes(image);
bit=0;
byte=0;
for (x=0; x < (long) image->columns; x++)
{
byte<<=1;
if (PixelIntensity(p) >= ((MagickRealType) QuantumRange/2.0))
byte|=0x01;
bit++;
if (bit == 8)
{
(void) FormatMagickString(buffer,MaxTextExtent,"%02X",
(unsigned int) (byte & 0xff));
(void) WriteBlobString(image,buffer);
count++;
if (count == 36)
{
(void) WriteBlobByte(image,'\n');
count=0;
};
bit=0;
byte=0;
}
p++;
}
if (bit != 0)
{
byte<<=(8-bit);
(void) FormatMagickString(buffer,MaxTextExtent,"%02X",
(unsigned int) (byte & 0xff));
(void) WriteBlobString(image,buffer);
count++;
if (count == 36)
{
(void) WriteBlobByte(image,'\n');
count=0;
};
};
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
}
if (count != 0)
(void) WriteBlobByte(image,'\n');
}
else
if ((image->storage_class == DirectClass) ||
(image->matte != MagickFalse))
{
/*
Dump DirectClass image.
*/
(void) FormatMagickString(buffer,MaxTextExtent,"%lu %lu\n0\n%d\n",
image->columns,image->rows,
image->compression == RLECompression ? 1 : 0);
(void) WriteBlobString(image,buffer);
switch (image->compression)
{
case RLECompression:
{
/*
Dump runlength-encoded DirectColor packets.
*/
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
pixel=(*p);
length=255;
for (x=0; x < (long) image->columns; x++)
{
if ((p->red == pixel.red) && (p->green == pixel.green) &&
(p->blue == pixel.blue) &&
(p->opacity == pixel.opacity) && (length < 255) &&
(x < (long) (image->columns-1)))
length++;
else
{
if (x > 0)
{
WriteRunlengthPacket(image,pixel,length,p);
i++;
if (i == 9)
{
(void) WriteBlobByte(image,'\n');
i=0;
}
}
length=0;
}
pixel=(*p);
p++;
}
WriteRunlengthPacket(image,pixel,length,p);
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
break;
}
case NoCompression:
default:
{
/*
Dump uncompressed DirectColor packets.
*/
i=0;
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
for (x=0; x < (long) image->columns; x++)
{
if ((image->matte != MagickFalse) &&
(p->opacity == (Quantum) TransparentOpacity))
(void) CopyMagickString(buffer,"ffffff",MaxTextExtent);
else
(void) FormatMagickString(buffer,MaxTextExtent,
"%02X%02X%02X",ScaleQuantumToChar(p->red),
ScaleQuantumToChar(p->green),ScaleQuantumToChar(p->blue));
(void) WriteBlobString(image,buffer);
i++;
if (i == 12)
{
i=0;
(void) WriteBlobByte(image,'\n');
}
p++;
}
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
break;
}
}
(void) WriteBlobByte(image,'\n');
}
else
{
/*
Dump PseudoClass image.
*/
(void) FormatMagickString(buffer,MaxTextExtent,"%lu %lu\n%d\n%d\n0\n",
image->columns,image->rows,
image->storage_class == PseudoClass ? 1 : 0,
image->compression == RLECompression ? 1 : 0);
(void) WriteBlobString(image,buffer);
/*
Dump number of colors and colormap.
*/
(void) FormatMagickString(buffer,MaxTextExtent,"%lu\n",image->colors);
(void) WriteBlobString(image,buffer);
for (i=0; i < (long) image->colors; i++)
{
(void) FormatMagickString(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 (image->compression)
{
case RLECompression:
{
/*
Dump runlength-encoded PseudoColor packets.
*/
i=0;
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetIndexes(image);
index=(*indexes);
length=255;
for (x=0; x < (long) image->columns; x++)
{
if ((index == indexes[x]) && (length < 255) &&
(x < ((long) image->columns-1)))
length++;
else
{
if (x > 0)
{
(void) FormatMagickString(buffer,MaxTextExtent,
"%02lX%02lX",(unsigned long) index,(unsigned long)
MagickMin(length,0xff));
(void) WriteBlobString(image,buffer);
i++;
if (i == 18)
{
(void) WriteBlobByte(image,'\n');
i=0;
}
}
length=0;
}
index=indexes[x];
pixel=(*p);
p++;
}
(void) FormatMagickString(buffer,MaxTextExtent,"%02lX%02lX",
(unsigned long) index,(unsigned long) MagickMin(length,0xff));
(void) WriteBlobString(image,buffer);
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
break;
}
case NoCompression:
default:
{
/*
Dump uncompressed PseudoColor packets.
*/
i=0;
for (y=0; y < (long) image->rows; y++)
{
p=AcquireImagePixels(image,0,y,image->columns,1,
&image->exception);
if (p == (const PixelPacket *) NULL)
break;
indexes=GetIndexes(image);
for (x=0; x < (long) image->columns; x++)
{
(void) FormatMagickString(buffer,MaxTextExtent,"%02lX",
(unsigned long) indexes[x]);
(void) WriteBlobString(image,buffer);
i++;
if (i == 36)
{
(void) WriteBlobByte(image,'\n');
i=0;
}
p++;
}
if (image->previous == (Image *) NULL)
if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
(QuantumTick(y,image->rows) != MagickFalse))
{
status=image->progress_monitor(SaveImageTag,y,image->rows,
image->client_data);
if (status == MagickFalse)
break;
}
}
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);
if (image->progress_monitor != (MagickProgressMonitor) NULL)
{
status=image->progress_monitor(SaveImagesTag,scene,
GetImageListLength(image),image->client_data);
if (status == MagickFalse)
break;
}
scene++;
} while (image_info->adjoin != MagickFalse);
(void) WriteBlobString(image,"%%Trailer\n");
if (page > 2)
{
(void) FormatMagickString(buffer,MaxTextExtent,
"%%%%BoundingBox: %ld %ld %ld %ld\n",(long) (bounds.x1+0.5),
(long) (bounds.y1+0.5),(long) (bounds.x2+0.5),(long) (bounds.y2+0.5));
(void) WriteBlobString(image,buffer);
(void) FormatMagickString(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");
CloseBlob(image);
return(MagickTrue);
}
|
