/*
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
% %
|
% %
|
% %
|
% PPPP SSSSS %
|
% P P SS %
|
% PPPP SSS %
|
% P SS %
|
% P SSSSS %
|
% %
|
% %
|
% Read/Write Postscript Format %
|
% %
|
% Software Design %
|
% Cristy %
|
% July 1992 %
|
% %
|
% %
|
% Copyright 1999-2019 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/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/module.h"
|
#include "MagickCore/token.h"
|
#include "MagickCore/transform.h"
|
#include "MagickCore/utility.h"
|
|
/*
|
Forward declarations.
|
*/
|
static MagickBooleanType
|
WritePSImage(const ImageInfo *,Image *,ExceptionInfo *);
|
|
/*
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
% %
|
% %
|
% %
|
% 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,
|
% ExceptionInfo *exception)
|
%
|
% 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.
|
%
|
% o exception: return any errors or warnings in this structure.
|
%
|
*/
|
#if defined(MAGICKCORE_GS_DELEGATE) || defined(MAGICKCORE_WINDOWS_SUPPORT)
|
static int MagickDLLCall PostscriptDelegateMessage(void *handle,
|
const char *message,int length)
|
{
|
char
|
**messages;
|
|
ssize_t
|
offset;
|
|
offset=0;
|
messages=(char **) handle;
|
if (*messages == (char *) NULL)
|
*messages=(char *) AcquireQuantumMemory(length+1,sizeof(char *));
|
else
|
{
|
offset=strlen(*messages);
|
*messages=(char *) ResizeQuantumMemory(*messages,offset+length+1,
|
sizeof(char *));
|
}
|
if (*messages == (char *) NULL)
|
return(0);
|
(void) memcpy(*messages+offset,message,length);
|
(*messages)[length+offset] ='\0';
|
return(length);
|
}
|
#endif
|
|
static MagickBooleanType InvokePostscriptDelegate(
|
const MagickBooleanType verbose,const char *command,char *message,
|
ExceptionInfo *exception)
|
{
|
int
|
status;
|
|
#if defined(MAGICKCORE_GS_DELEGATE) || defined(MAGICKCORE_WINDOWS_SUPPORT)
|
#define SetArgsStart(command,args_start) \
|
if (args_start == (const char *) NULL) \
|
{ \
|
if (*command != '"') \
|
args_start=strchr(command,' '); \
|
else \
|
{ \
|
args_start=strchr(command+1,'"'); \
|
if (args_start != (const char *) NULL) \
|
args_start++; \
|
} \
|
}
|
|
#define ExecuteGhostscriptCommand(command,status) \
|
{ \
|
status=ExternalDelegateCommand(MagickFalse,verbose,command,message, \
|
exception); \
|
if (status == 0) \
|
return(MagickTrue); \
|
if (status < 0) \
|
return(MagickFalse); \
|
(void) ThrowMagickException(exception,GetMagickModule(),DelegateError, \
|
"FailedToExecuteCommand","`%s' (%d)",command,status); \
|
return(MagickFalse); \
|
}
|
|
char
|
**argv,
|
*errors;
|
|
const char
|
*args_start = (const char *) NULL;
|
|
const GhostInfo
|
*ghost_info;
|
|
gs_main_instance
|
*interpreter;
|
|
gsapi_revision_t
|
revision;
|
|
int
|
argc,
|
code;
|
|
register ssize_t
|
i;
|
|
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
|
ghost_info=NTGhostscriptDLLVectors();
|
#else
|
GhostInfo
|
ghost_info_struct;
|
|
ghost_info=(&ghost_info_struct);
|
(void) memset(&ghost_info_struct,0,sizeof(ghost_info_struct));
|
ghost_info_struct.delete_instance=(void (*)(gs_main_instance *))
|
gsapi_delete_instance;
|
ghost_info_struct.exit=(int (*)(gs_main_instance *)) gsapi_exit;
|
ghost_info_struct.new_instance=(int (*)(gs_main_instance **,void *))
|
gsapi_new_instance;
|
ghost_info_struct.init_with_args=(int (*)(gs_main_instance *,int,char **))
|
gsapi_init_with_args;
|
ghost_info_struct.run_string=(int (*)(gs_main_instance *,const char *,int,
|
int *)) gsapi_run_string;
|
ghost_info_struct.set_stdio=(int (*)(gs_main_instance *,int (*)(void *,char *,
|
int),int (*)(void *,const char *,int),int (*)(void *, const char *, int)))
|
gsapi_set_stdio;
|
ghost_info_struct.revision=(int (*)(gsapi_revision_t *,int)) gsapi_revision;
|
#endif
|
if (ghost_info == (GhostInfo *) NULL)
|
ExecuteGhostscriptCommand(command,status);
|
if ((ghost_info->revision)(&revision,sizeof(revision)) != 0)
|
revision.revision=0;
|
if (verbose != MagickFalse)
|
{
|
(void) fprintf(stdout,"[ghostscript library %.2f]",(double)
|
revision.revision/100.0);
|
SetArgsStart(command,args_start);
|
(void) fputs(args_start,stdout);
|
}
|
errors=(char *) NULL;
|
status=(ghost_info->new_instance)(&interpreter,(void *) &errors);
|
if (status < 0)
|
ExecuteGhostscriptCommand(command,status);
|
code=0;
|
argv=StringToArgv(command,&argc);
|
if (argv == (char **) NULL)
|
{
|
(ghost_info->delete_instance)(interpreter);
|
return(MagickFalse);
|
}
|
(void) (ghost_info->set_stdio)(interpreter,(int (MagickDLLCall *)(void *,
|
char *,int)) NULL,PostscriptDelegateMessage,PostscriptDelegateMessage);
|
status=(ghost_info->init_with_args)(interpreter,argc-1,argv+1);
|
if (status == 0)
|
status=(ghost_info->run_string)(interpreter,"systemdict /start get exec\n",
|
0,&code);
|
(ghost_info->exit)(interpreter);
|
(ghost_info->delete_instance)(interpreter);
|
for (i=0; i < (ssize_t) argc; i++)
|
argv[i]=DestroyString(argv[i]);
|
argv=(char **) RelinquishMagickMemory(argv);
|
if (status != 0)
|
{
|
SetArgsStart(command,args_start);
|
if (status == -101) /* quit */
|
(void) FormatLocaleString(message,MagickPathExtent,
|
"[ghostscript library %.2f]%s: %s",(double) revision.revision/100.0,
|
args_start,errors);
|
else
|
{
|
(void) ThrowMagickException(exception,GetMagickModule(),
|
DelegateError,"PostscriptDelegateFailed",
|
"`[ghostscript library %.2f]%s': %s",(double) revision.revision/
|
100.0,args_start,errors);
|
if (errors != (char *) NULL)
|
errors=DestroyString(errors);
|
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
"Ghostscript returns status %d, exit code %d",status,code);
|
return(MagickFalse);
|
}
|
}
|
if (errors != (char *) NULL)
|
errors=DestroyString(errors);
|
return(MagickTrue);
|
#else
|
status=ExternalDelegateCommand(MagickFalse,verbose,command,message,exception);
|
return(status == 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: 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 MagickBooleanType IsPostscriptRendered(const char *path)
|
{
|
MagickBooleanType
|
status;
|
|
struct stat
|
attributes;
|
|
if ((path == (const char *) NULL) || (*path == '\0'))
|
return(MagickFalse);
|
status=GetPathAttributes(path,&attributes);
|
if ((status != MagickFalse) && S_ISREG(attributes.st_mode) &&
|
(attributes.st_size > 0))
|
return(MagickTrue);
|
return(MagickFalse);
|
}
|
|
static inline int ProfileInteger(Image *image,short int *hex_digits)
|
{
|
int
|
c,
|
l,
|
value;
|
|
register ssize_t
|
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) ((size_t) value << 4)+hex_digits[c];
|
i++;
|
}
|
return(value);
|
}
|
|
static Image *ReadPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
|
{
|
#define BoundingBox "BoundingBox:"
|
#define BeginDocument "BeginDocument:"
|
#define BeginXMPPacket "<?xpacket begin="
|
#define EndXMPPacket "<?xpacket end="
|
#define ICCProfile "BeginICCProfile:"
|
#define CMYKCustomColor "CMYKCustomColor:"
|
#define CMYKProcessColor "CMYKProcessColor:"
|
#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 "+ "
|
|
char
|
command[MagickPathExtent],
|
*density,
|
filename[MagickPathExtent],
|
geometry[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
|
c,
|
file;
|
|
MagickBooleanType
|
cmyk,
|
fitPage,
|
skip,
|
status;
|
|
MagickStatusType
|
flags;
|
|
PointInfo
|
delta,
|
resolution;
|
|
RectangleInfo
|
page;
|
|
register char
|
*p;
|
|
register ssize_t
|
i;
|
|
SegmentInfo
|
bounds,
|
hires_bounds;
|
|
short int
|
hex_digits[256];
|
|
size_t
|
length;
|
|
ssize_t
|
count,
|
priority;
|
|
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 == 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);
|
}
|
/*
|
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;
|
/*
|
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) ceil((double) (page.width*resolution.x/delta.x)-0.5);
|
page.height=(size_t) ceil((double) (page.height*resolution.y/delta.y)-0.5);
|
/*
|
Determine page geometry from the Postscript bounding box.
|
*/
|
(void) memset(&bounds,0,sizeof(bounds));
|
(void) memset(command,0,sizeof(command));
|
cmyk=image_info->colorspace == CMYKColorspace ? MagickTrue : MagickFalse;
|
(void) memset(&hires_bounds,0,sizeof(hires_bounds));
|
columns=0;
|
rows=0;
|
priority=0;
|
rows=0;
|
extent=0;
|
spotcolor=0;
|
language_level=1;
|
pages=(~0UL);
|
skip=MagickFalse;
|
p=command;
|
for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image))
|
{
|
/*
|
Note document structuring comments.
|
*/
|
*p++=(char) c;
|
if ((strchr("\n\r%",c) == (char *) NULL) &&
|
((size_t) (p-command) < (MagickPathExtent-1)))
|
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,exception);
|
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(ImageData)) == 0)
|
(void) sscanf(command,ImageData " %lu %lu",&columns,&rows);
|
/*
|
Is this a CMYK document?
|
*/
|
length=strlen(DocumentProcessColors);
|
if (LocaleNCompare(DocumentProcessColors,command,length) == 0)
|
{
|
if ((GlobExpression(command,"*Cyan*",MagickTrue) != MagickFalse) ||
|
(GlobExpression(command,"*Magenta*",MagickTrue) != MagickFalse) ||
|
(GlobExpression(command,"*Yellow*",MagickTrue) != MagickFalse))
|
cmyk=MagickTrue;
|
}
|
if (LocaleNCompare(CMYKCustomColor,command,strlen(CMYKCustomColor)) == 0)
|
cmyk=MagickTrue;
|
if (LocaleNCompare(CMYKProcessColor,command,strlen(CMYKProcessColor)) == 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[MagickPathExtent],
|
*value;
|
|
register char
|
*q;
|
|
/*
|
Note spot names.
|
*/
|
(void) FormatLocaleString(property,MagickPathExtent,
|
"ps:SpotColor-%.20g",(double) (spotcolor++));
|
for (q=command; *q != '\0'; q++)
|
if (isspace((int) (unsigned char) *q) != 0)
|
break;
|
value=ConstantString(q);
|
(void) SubstituteString(&value,"(","");
|
(void) SubstituteString(&value,")","");
|
(void) StripString(value);
|
if (*value != '\0')
|
(void) SetImageProperty(image,property,value,exception);
|
value=DestroyString(value);
|
continue;
|
}
|
if (image_info->page != (char *) NULL)
|
continue;
|
/*
|
Note region defined by bounding box.
|
*/
|
count=0;
|
i=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);
|
i=2;
|
}
|
if (LocaleNCompare(DocumentMedia,command,strlen(DocumentMedia)) == 0)
|
{
|
count=(ssize_t) sscanf(command,DocumentMedia " %lf %lf %lf %lf",
|
&bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
|
i=1;
|
}
|
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);
|
i=3;
|
}
|
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);
|
i=1;
|
}
|
if (LocaleNCompare(PageMedia,command,strlen(PageMedia)) == 0)
|
{
|
count=(ssize_t) sscanf(command,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(hires_bounds.x2-hires_bounds.x1)) ||
|
(fabs(bounds.y2-bounds.y1) <= fabs(hires_bounds.y2-hires_bounds.y1)))
|
if (i == (ssize_t) priority)
|
continue;
|
hires_bounds=bounds;
|
priority=(size_t) i;
|
}
|
if ((fabs(hires_bounds.x2-hires_bounds.x1) >= MagickEpsilon) &&
|
(fabs(hires_bounds.y2-hires_bounds.y1) >= MagickEpsilon))
|
{
|
/*
|
Set Postscript render geometry.
|
*/
|
(void) FormatLocaleString(geometry,MagickPathExtent,"%gx%g%+.15g%+.15g",
|
hires_bounds.x2-hires_bounds.x1,hires_bounds.y2-hires_bounds.y1,
|
hires_bounds.x1,hires_bounds.y1);
|
(void) SetImageProperty(image,"ps:HiResBoundingBox",geometry,exception);
|
page.width=(size_t) ceil((double) ((hires_bounds.x2-hires_bounds.x1)*
|
resolution.x/delta.x)-0.5);
|
page.height=(size_t) ceil((double) ((hires_bounds.y2-hires_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);
|
image=DestroyImage(image);
|
return((Image *) NULL);
|
}
|
page.width=(size_t) ceil((double) (page.width*image->resolution.x/delta.x)
|
-0.5);
|
page.height=(size_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)
|
cmyk=MagickFalse;
|
/*
|
Create Ghostscript control file.
|
*/
|
file=AcquireUniqueFileResource(postscript_filename);
|
if (file == -1)
|
{
|
ThrowFileException(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",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",-bounds.x1,-bounds.y1);
|
count=write(file,translate_geometry,(unsigned int)
|
strlen(translate_geometry));
|
}
|
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 (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);
|
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=InvokePostscriptDelegate(read_info->verbose,command,message,exception);
|
(void) InterpretImageFilename(image_info,image,filename,1,
|
read_info->filename,exception);
|
if ((status == MagickFalse) ||
|
(IsPostscriptRendered(read_info->filename) == MagickFalse))
|
{
|
(void) ConcatenateMagickString(command," -c showpage",MagickPathExtent);
|
status=InvokePostscriptDelegate(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 (IsPostscriptRendered(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 (IsPostscriptRendered(read_info->filename) == MagickFalse)
|
break;
|
read_info->blob=NULL;
|
read_info->length=0;
|
next=ReadImage(read_info,exception);
|
(void) RelinquishUniqueFileResource(read_info->filename);
|
if (next == (Image *) NULL)
|
break;
|
AppendImageToList(&postscript_image,next);
|
}
|
(void) RelinquishUniqueFileResource(read_info->filename);
|
read_info=DestroyImageInfo(read_info);
|
if (postscript_image == (Image *) NULL)
|
{
|
if (*message != '\0')
|
(void) ThrowMagickException(exception,GetMagickModule(),
|
DelegateError,"PostscriptDelegateFailed","`%s'",message);
|
image=DestroyImageList(image);
|
return((Image *) NULL);
|
}
|
if (LocaleCompare(postscript_image->magick,"BMP") == 0)
|
{
|
Image
|
*cmyk_image;
|
|
cmyk_image=ConsolidateCMYKImages(postscript_image,exception);
|
if (cmyk_image != (Image *) NULL)
|
{
|
postscript_image=DestroyImageList(postscript_image);
|
postscript_image=cmyk_image;
|
}
|
}
|
(void) SeekBlob(image,0,SEEK_SET);
|
for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image))
|
{
|
/*
|
Note document structuring comments.
|
*/
|
*p++=(char) c;
|
if ((strchr("\n\r%",c) == (char *) NULL) &&
|
((size_t) (p-command) < (MagickPathExtent-1)))
|
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(ICCProfile,command,strlen(ICCProfile)) == 0)
|
{
|
unsigned char
|
*datum;
|
|
/*
|
Read ICC profile.
|
*/
|
profile=AcquireStringInfo(MagickPathExtent);
|
datum=GetStringInfoDatum(profile);
|
for (i=0; (c=ProfileInteger(image,hex_digits)) != EOF; i++)
|
{
|
if (i >= (ssize_t) GetStringInfoLength(profile))
|
{
|
SetStringInfoLength(profile,(size_t) i << 1);
|
datum=GetStringInfoDatum(profile);
|
}
|
datum[i]=(unsigned char) c;
|
}
|
SetStringInfoLength(profile,(size_t) i+1);
|
(void) SetImageProfile(image,"icc",profile,exception);
|
profile=DestroyStringInfo(profile);
|
continue;
|
}
|
if (LocaleNCompare(PhotoshopProfile,command,strlen(PhotoshopProfile)) == 0)
|
{
|
unsigned char
|
*q;
|
|
/*
|
Read Photoshop profile.
|
*/
|
count=(ssize_t) sscanf(command,PhotoshopProfile " %lu",&extent);
|
if (count != 1)
|
continue;
|
length=extent;
|
if ((MagickSizeType) length > GetBlobSize(image))
|
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
|
profile=BlobToStringInfo((const void *) NULL,length);
|
if (profile != (StringInfo *) NULL)
|
{
|
q=GetStringInfoDatum(profile);
|
for (i=0; i < (ssize_t) length; i++)
|
*q++=(unsigned char) ProfileInteger(image,hex_digits);
|
(void) SetImageProfile(image,"8bim",profile,exception);
|
profile=DestroyStringInfo(profile);
|
}
|
continue;
|
}
|
if (LocaleNCompare(BeginXMPPacket,command,strlen(BeginXMPPacket)) == 0)
|
{
|
/*
|
Read XMP profile.
|
*/
|
p=command;
|
profile=StringToStringInfo(command);
|
for (i=(ssize_t) GetStringInfoLength(profile)-1; c != EOF; i++)
|
{
|
SetStringInfoLength(profile,(size_t) (i+1));
|
c=ReadBlobByte(image);
|
GetStringInfoDatum(profile)[i]=(unsigned char) c;
|
*p++=(char) c;
|
if ((strchr("\n\r%",c) == (char *) NULL) &&
|
((size_t) (p-command) < (MagickPathExtent-1)))
|
continue;
|
*p='\0';
|
p=command;
|
if (LocaleNCompare(EndXMPPacket,command,strlen(EndXMPPacket)) == 0)
|
break;
|
}
|
SetStringInfoLength(profile,(size_t) i);
|
(void) SetImageProfile(image,"xmp",profile,exception);
|
profile=DestroyStringInfo(profile);
|
continue;
|
}
|
}
|
(void) CloseBlob(image);
|
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 (columns != 0)
|
postscript_image->magick_columns=columns;
|
if (rows != 0)
|
postscript_image->magick_rows=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 *const *hex_digits,
|
const size_t pixel,unsigned char *pixels)
|
{
|
register const char
|
*hex;
|
|
hex=hex_digits[pixel];
|
*pixels++=(unsigned char) (*hex++);
|
*pixels++=(unsigned char) (*hex);
|
return(pixels);
|
}
|
|
static MagickBooleanType WritePSImage(const ImageInfo *image_info,Image *image,
|
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
|
*const hex_digits[] =
|
{
|
"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", (const char *) NULL
|
},
|
*const 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",
|
(const char *) NULL
|
},
|
*const 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",
|
(const char *) NULL
|
};
|
|
char
|
buffer[MagickPathExtent],
|
date[MagickPathExtent],
|
**labels,
|
page_geometry[MagickPathExtent];
|
|
CompressionType
|
compression;
|
|
const char
|
*const *s,
|
*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=(double) (geometry.width*delta.x)/resolution.x;
|
geometry.width=(size_t) floor(scale.x+0.5);
|
scale.y=(double) (geometry.height*delta.y)/resolution.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=time((time_t *) NULL);
|
(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.
|
*/
|
for (s=PostscriptProlog; *s != (char *) NULL; s++)
|
{
|
(void) FormatLocaleString(buffer,MagickPathExtent,"%s\n",*s);
|
(void) WriteBlobString(image,buffer);
|
}
|
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);
|
}
|
}
|
for (s=PostscriptEpilog; *s != (char *) NULL; s++)
|
{
|
(void) FormatLocaleString(buffer,MagickPathExtent,"%s\n",*s);
|
(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) 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=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 (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);
|
}
|