/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% DDDD EEEEE L EEEEE GGGG AAA TTTTT EEEEE %
% D D E L E G A A T E %
% D D EEE L EEE G GG AAAAA T EEE %
% D D E L E G G A A T E %
% DDDD EEEEE LLLLL EEEEE GGG A A T EEEEE %
% %
% %
% Methods to Read/Write/Invoke Delegates %
% %
% Software Design %
% John Cristy %
% October 1998 %
% %
% %
% 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. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% The Delegates methods associate a set of commands with a particular
% image format. ImageMagick uses delegates for formats it does not handle
% directly.
%
% Thanks to Bob Friesenhahn for the initial inspiration and design of the
% delegates methods.
%
%
*/
/*
Include declarations.
*/
#include "magick/studio.h"
#include "magick/property.h"
#include "magick/blob.h"
#include "magick/client.h"
#include "magick/configure.h"
#include "magick/constitute.h"
#include "magick/delegate.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/hashmap.h"
#include "magick/list.h"
#include "magick/memory_.h"
#include "magick/resource_.h"
#include "magick/semaphore.h"
#include "magick/string_.h"
#include "magick/token.h"
#include "magick/utility.h"
#include "magick/xml-tree.h"
/*
Define declarations.
*/
#define DelegateFilename "delegates.xml"
/*
Declare delegate map.
*/
static const char
*DelegateMap = (const char *)
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
"<delegatemap>"
" <delegate decode=\"autotrace\" stealth=\"True\" command=\""autotrace" -output-format svg -output-file "%o" "%i"\"/>"
" <delegate decode=\"browse\" stealth=\"True\" spawn=\"True\" command=\""htmlview" http://www.imagemagick.org/\"/>"
" <delegate decode=\"cgm\" thread-support=\"False\" command=\""ralcgm" -d ps -oC < "%i" > "%o" >>/dev/null\"/>"
" <delegate decode=\"dng:decode\" command=\""/usr/bin/ufraw-batch" --silent --wb=camera --black-point=auto --exposure=auto --create-id=also --out-type=ppm16 "--output=%u.pnm" "%i"\"/>"
" <delegate decode=\"edit\" stealth=\"True\" command=\""xterm" -title "Edit Image Comment" -e vi "%o"\"/>"
" <delegate decode=\"eps\" encode=\"pdf\" mode=\"bi\" command=\""gs" -q -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=pdfwrite" "-sOutputFile=%o" "-f%i"\"/>"
" <delegate decode=\"eps\" encode=\"ps\" mode=\"bi\" command=\""gs" -q -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=pswrite" "-sOutputFile=%o" "-f%i"\"/>"
" <delegate decode=\"fig\" command=\""fig2dev" -L ps "%i" "%o"\"/>"
" <delegate decode=\"gplt\" command=\""echo" "set size 1.25,0.62 set terminal postscript portrait color solid; set output "%o"; load "%i"" > "%u";"gnuplot" "%u"\"/>"
" <delegate decode=\"hdr\" command=\""ra_pfm" "%i" "%o"\"/>"
" <delegate decode=\"hpg\" command=\""hp2xx" -q -m eps -f `basename "%o"` "%i" mv -f `basename "%o"` "%o"\"/>"
" <delegate decode=\"hpgl\" command=\"if [ -e hp2xx -o -e /usr/bin/hp2xx ]; then hp2xx -q -m eps -f `basename "%o"` "%i" mv -f `basename "%o"` "%o else echo "You need to install hp2xx to use HPGL files with ImageMagick." exit 1 fi\"/>"
" <delegate decode=\"htm\" command=\""html2ps" -U -o "%o" "%i"\"/>"
" <delegate decode=\"html\" command=\""html2ps" -U -o "%o" "%i"\"/>"
" <delegate decode=\"https\" command=\""wget" -q -O "%o" "https:%M"\"/>"
" <delegate decode=\"ilbm\" command=\""ilbmtoppm" "%i" > "%o"\"/>"
" <delegate decode=\"man\" command=\""groff" -man -Tps "%i" > "%o"\"/>"
" <delegate decode=\"mpeg:decode\" stealth=\"True\" command=\""mpeg2decode" -q -b "%i" -f -r -o3 "%u%%d"\"/>"
" <delegate encode=\"mpeg:encode\" stealth=\"True\" command=\""mpeg2encode" "%i" "%o"\"/>"
" <delegate decode=\"pcl:color\" stealth=\"True\" command=\""pcl6" -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=ppmraw" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-g%s" "-r%s" %s "-sOutputFile=%s" "%s"\"/>"
" <delegate decode=\"pcl:cmyk\" stealth=\"True\" command=\""pcl6" -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=bmpsep8" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-g%s" "-r%s" %s "-sOutputFile=%s" "%s"\"/>"
" <delegate decode=\"pcl:mono\" stealth=\"True\" command=\""pcl6" -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=pbmraw" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-g%s" "-r%s" %s "-sOutputFile=%s" "%s"\"/>"
" <delegate decode=\"pdf\" encode=\"eps\" mode=\"bi\" command=\""gs" -q -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=epswrite" "-sOutputFile=%o" "-f%i"\"/>"
" <delegate decode=\"pdf\" encode=\"ps\" mode=\"bi\" command=\""gs" -q -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=pswrite" "-sOutputFile=%o" "-f%i"\"/>"
" <delegate decode=\"pic\" command=\""ra_pfm" "%i" "%o"\"/>"
" <delegate decode=\"pnm\" encode=\"ilbm\" mode=\"encode\" command=\""ppmtoilbm" -24if "%i" > "%o"\"/>"
" <delegate decode=\"pnm\" encode=\"launch\" mode=\"encode\" command=\""gimp" "%i"\"/>"
" <delegate decode=\"pov\" command=\""povray" "+i"%i"" -D0 +o"%o" +fn%q +w%w +h%h +a -q9 -kfi"%s" -kff"%n" "convert" -concatenate "%o*.png" "%o"\"/>"
" <delegate decode=\"ps\" encode=\"eps\" mode=\"bi\" command=\""gs" -q -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=epswrite" "-sOutputFile=%o" "-f%i"\"/>"
" <delegate decode=\"ps\" encode=\"pdf\" mode=\"bi\" command=\""gs" -q -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=pdfwrite" "-sOutputFile=%o" "-f%i"\"/>"
" <delegate decode=\"ps\" encode=\"print\" mode=\"encode\" command=\"lpr "%i"\"/>"
" <delegate decode=\"ps:alpha\" stealth=\"True\" command=\""gs" -q -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=pngalpha" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-g%s" "-r%s" %s "-sOutputFile=%s" "-f%s" "-f%s"\"/>"
" <delegate decode=\"ps:bbox\" stealth=\"True\" command=\""gs" -q -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=bbox" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-g%s" "-r%s" %s "-sOutputFile=%s" "-f%s" "-f%s"\"/>"
" <delegate decode=\"ps:cmyk\" stealth=\"True\" command=\""gs" -q -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=pam" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-g%s" "-r%s" %s "-sOutputFile=%s" "-f%s" "-f%s"\"/>"
" <delegate decode=\"ps:color\" stealth=\"True\" command=\""gs" -q -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=pnmraw" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-g%s" "-r%s" %s "-sOutputFile=%s" "-f%s" "-f%s"\"/>"
" <delegate decode=\"ps:mono\" stealth=\"True\" command=\""gs" -q -dQUIET -dSAFER -dPARANOIDSAFE -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=0 "-sDEVICE=pnmraw" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-g%s" "-r%s" %s "-sOutputFile=%s" "-f%s" "-f%s"\"/>"
" <delegate decode=\"rad\" command=\""ra_pfm" "%i" "%o"\"/>"
" <delegate decode=\"rgba\" encode=\"rle\" mode=\"encode\" command=\""rawtorle" -o "%o" -v "%i"\"/>"
" <delegate decode=\"scan\" command=\""scanimage" -d "%i" > "%o"\"/>"
" <delegate encode=\"show\" stealth=\"True\" spawn=\"True\" command=\""/usr/local/bin/display" -immutable -delay 0 -window-group %g -title "%l of %f" "tmp:%i"\"/>"
" <delegate decode=\"shtml\" command=\""html2ps" -U -o "%o" "%i"\"/>"
" <delegate decode=\"svg\" command=\""wmf2eps" -o "%o" "%i"\"/>"
" <delegate decode=\"txt\" encode=\"ps\" mode=\"bi\" command=\""enscript" -o "%o" "%i"\"/>"
" <delegate encode=\"win\" stealth=\"True\" spawn=\"True\" command=\""/usr/local/bin/display" -immutable -delay 0 -window-group %g -title "%l of %f" "tmp:%i"\"/>"
" <delegate decode=\"wmf\" command=\""wmf2eps" -o "%o" "%i"\"/>"
"</delegatemap>";
/*
Global declaractions.
*/
static LinkedListInfo
*delegate_list = (LinkedListInfo *) NULL;
static SemaphoreInfo
*delegate_semaphore = (SemaphoreInfo *) NULL;
static volatile MagickBooleanType
instantiate_delegate = MagickFalse;
/*
Forward declaractions.
*/
static MagickBooleanType
InitializeDelegateList(ExceptionInfo *),
LoadDelegateLists(const char *,ExceptionInfo *);
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% D e s t r o y D e l e g a t e L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyDelegateList() deallocates memory associated with the delegates list.
%
% The format of the DestroyDelegateList method is:
%
% DestroyDelegateList(void)
%
*/
static void *DestroyDelegate(void *delegate_info)
{
register DelegateInfo
*p;
p=(DelegateInfo *) delegate_info;
if (p->path != (char *) NULL)
p->path=DestroyString(p->path);
if (p->decode != (char *) NULL)
p->decode=DestroyString(p->decode);
if (p->encode != (char *) NULL)
p->encode=DestroyString(p->encode);
if (p->commands != (char *) NULL)
p->commands=DestroyString(p->commands);
p=(DelegateInfo *) RelinquishMagickMemory(p);
return((void *) NULL);
}
MagickExport void DestroyDelegateList(void)
{
AcquireSemaphoreInfo(&delegate_semaphore);
if (delegate_list != (LinkedListInfo *) NULL)
delegate_list=DestroyLinkedList(delegate_list,DestroyDelegate);
instantiate_delegate=MagickFalse;
RelinquishSemaphoreInfo(delegate_semaphore);
delegate_semaphore=DestroySemaphoreInfo(delegate_semaphore);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t D e l e g a t e C o m m a n d %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetDelegateCommand() replaces any embedded formatting characters with the
% appropriate image attribute and returns the resulting command.
%
% The format of the GetDelegateCommand method is:
%
% char *GetDelegateCommand(const ImageInfo *image_info,Image *image,
% const char *decode,const char *encode,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o command: Method GetDelegateCommand returns the command associated
% with specified delegate tag.
%
% o image_info: The image info.
%
% o image: The image.
%
% o decode: Specifies the decode delegate we are searching for as a
% character string.
%
% o encode: Specifies the encode delegate we are searching for as a
% character string.
%
% o exception: Return any errors or warnings in this structure.
%
*/
MagickExport char *GetDelegateCommand(const ImageInfo *image_info,Image *image,
const char *decode,const char *encode,ExceptionInfo *exception)
{
char
*command,
**commands;
const DelegateInfo
*delegate_info;
register long
i;
assert(image_info != (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);
delegate_info=GetDelegateInfo(decode,encode,exception);
if (delegate_info == (const DelegateInfo *) NULL)
{
(void) ThrowMagickException(exception,GetMagickModule(),DelegateError,
"NoTagFound","`%s'",decode ? decode : encode);
return((char *) NULL);
}
commands=StringToList(delegate_info->commands);
if (commands == (char **) NULL)
{
(void) ThrowMagickException(exception,GetMagickModule(),
ResourceLimitError,"MemoryAllocationFailed","`%s'",
decode ? decode : encode);
return((char *) NULL);
}
command=InterpretImageProperties(image_info,image,commands[0]);
if (command == (char *) NULL)
(void) ThrowMagickException(exception,GetMagickModule(),ResourceLimitError,
"MemoryAllocationFailed","`%s'",commands[0]);
/*
Free resources.
*/
for (i=0; commands[i] != (char *) NULL; i++)
commands[i]=DestroyString(commands[i]);
commands=(char **) RelinquishMagickMemory(commands);
return(command);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t D e l e g a t e C o m m a n d s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetDelegateCommands() returns the commands associated with a delegate.
%
% The format of the GetDelegateCommands method is:
%
% const char *GetDelegateCommands(const DelegateInfo *delegate_info)
%
% A description of each parameter follows:
%
% o delegate_info: The delegate info.
%
*/
MagickExport const char *GetDelegateCommands(const DelegateInfo *delegate_info)
{
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
assert(delegate_info != (DelegateInfo *) NULL);
assert(delegate_info->signature == MagickSignature);
return(delegate_info->commands);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t D e l e g a t e I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetDelegateInfo() returns any delegates associated with the specified tag.
%
% The format of the GetDelegateInfo method is:
%
% const DelegateInfo *GetDelegateInfo(const char *decode,
% const char *encode,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o decode: Specifies the decode delegate we are searching for as a
% character string.
%
% o encode: Specifies the encode delegate we are searching for as a
% character string.
%
% o exception: Return any errors or warnings in this structure.
%
*/
MagickExport const DelegateInfo *GetDelegateInfo(const char *decode,
const char *encode,ExceptionInfo *exception)
{
register const DelegateInfo
*p;
assert(exception != (ExceptionInfo *) NULL);
if ((delegate_list == (LinkedListInfo *) NULL) ||
(instantiate_delegate == MagickFalse))
if (InitializeDelegateList(exception) == MagickFalse)
return((const DelegateInfo *) NULL);
if ((delegate_list == (LinkedListInfo *) NULL) ||
(IsLinkedListEmpty(delegate_list) != MagickFalse))
return((const DelegateInfo *) NULL);
if ((LocaleCompare(decode,"*") == 0) && (LocaleCompare(encode,"*") == 0))
return((const DelegateInfo *) GetValueFromLinkedList(delegate_list,0));
/*
Search for named delegate.
*/
AcquireSemaphoreInfo(&delegate_semaphore);
ResetLinkedListIterator(delegate_list);
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_list);
while (p != (const DelegateInfo *) NULL)
{
if (p->mode > 0)
{
if (LocaleCompare(p->decode,decode) == 0)
break;
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_list);
continue;
}
if (p->mode < 0)
{
if (LocaleCompare(p->encode,encode) == 0)
break;
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_list);
continue;
}
if (LocaleCompare(decode,p->decode) == 0)
if (LocaleCompare(encode,p->encode) == 0)
break;
if (LocaleCompare(decode,"*") == 0)
if (LocaleCompare(encode,p->encode) == 0)
break;
if (LocaleCompare(decode,p->decode) == 0)
if (LocaleCompare(encode,"*") == 0)
break;
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_list);
}
RelinquishSemaphoreInfo(delegate_semaphore);
return( p);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t D e l e g a t e I n f o L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetDelegateInfoList() returns any delegates that match the specified pattern.
%
% The delegate of the GetDelegateInfoList function is:
%
% const DelegateInfo **GetDelegateInfoList(const char *pattern,
% unsigned long *number_delegates,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o pattern: Specifies a pointer to a text string containing a pattern.
%
% o number_delegates: This integer returns the number of delegates in the
% list.
%
% o exception: Return any errors or warnings in this structure.
%
*/
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
static int DelegateInfoCompare(const void *x,const void *y)
{
const DelegateInfo
**p,
**q;
p=(const DelegateInfo **) x,
q=(const DelegateInfo **) y;
if (LocaleCompare((*p)->path,(*q)->path) == 0)
{
if ((*p)->decode == (char *) NULL)
if (((*p)->encode != (char *) NULL) &&
((*q)->encode != (char *) NULL))
return(strcmp((*p)->encode,(*q)->encode));
if (((*p)->decode != (char *) NULL) &&
((*q)->decode != (char *) NULL))
return(strcmp((*p)->decode,(*q)->decode));
}
return(LocaleCompare((*p)->path,(*q)->path));
}
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
MagickExport const DelegateInfo **GetDelegateInfoList(const char *pattern,
unsigned long *number_delegates,ExceptionInfo *exception)
{
const DelegateInfo
**delegates;
register const DelegateInfo
*p;
register long
i;
/*
Allocate delegate list.
*/
assert(pattern != (char *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern);
assert(number_delegates != (unsigned long *) NULL);
*number_delegates=0;
p=GetDelegateInfo("*","*",exception);
if (p == (const DelegateInfo *) NULL)
return((const DelegateInfo **) NULL);
delegates=(const DelegateInfo **) AcquireQuantumMemory((size_t)
GetNumberOfElementsInLinkedList(delegate_list)+1UL,sizeof(*delegates));
if (delegates == (const DelegateInfo **) NULL)
return((const DelegateInfo **) NULL);
/*
Generate delegate list.
*/
AcquireSemaphoreInfo(&delegate_semaphore);
ResetLinkedListIterator(delegate_list);
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_list);
for (i=0; p != (const DelegateInfo *) NULL; )
{
if ((p->stealth == MagickFalse) &&
((GlobExpression(p->decode,pattern,MagickFalse) != MagickFalse) ||
(GlobExpression(p->encode,pattern,MagickFalse) != MagickFalse)))
delegates[i++]=p;
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_list);
}
RelinquishSemaphoreInfo(delegate_semaphore);
qsort((void *) delegates,(size_t) i,sizeof(*delegates),DelegateInfoCompare);
delegates[i]=(DelegateInfo *) NULL;
*number_delegates=(unsigned long) i;
return(delegates);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t D e l e g a t e L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetDelegateList() returns any image format delegates that match the
% specified pattern.
%
% The format of the GetDelegateList function is:
%
% char **GetDelegateList(const char *pattern,
% unsigned long *number_delegates,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o pattern: Specifies a pointer to a text string containing a pattern.
%
% o number_delegates: This integer returns the number of delegates
% in the list.
%
% o exception: Return any errors or warnings in this structure.
%
*/
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
static int DelegateCompare(const void *x,const void *y)
{
register const char
**p,
**q;
p=(const char **) x;
q=(const char **) y;
return(LocaleCompare(*p,*q));
}
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
MagickExport char **GetDelegateList(const char *pattern,
unsigned long *number_delegates,ExceptionInfo *exception)
{
char
**delegates;
register const DelegateInfo
*p;
register long
i;
/*
Allocate delegate list.
*/
assert(pattern != (char *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern);
assert(number_delegates != (unsigned long *) NULL);
*number_delegates=0;
p=GetDelegateInfo("*","*",exception);
if (p == (const DelegateInfo *) NULL)
return((char **) NULL);
delegates=(char **) AcquireQuantumMemory((size_t)
GetNumberOfElementsInLinkedList(delegate_list)+1UL,sizeof(*delegates));
if (delegates == (char **) NULL)
return((char **) NULL);
AcquireSemaphoreInfo(&delegate_semaphore);
ResetLinkedListIterator(delegate_list);
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_list);
for (i=0; p != (const DelegateInfo *) NULL; )
{
if ((p->stealth == MagickFalse) &&
(GlobExpression(p->decode,pattern,MagickFalse) != MagickFalse))
delegates[i++]=ConstantString(p->decode);
if ((p->stealth == MagickFalse) &&
(GlobExpression(p->encode,pattern,MagickFalse) != MagickFalse))
delegates[i++]=ConstantString(p->encode);
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_list);
}
RelinquishSemaphoreInfo(delegate_semaphore);
qsort((void *) delegates,(size_t) i,sizeof(*delegates),DelegateCompare);
delegates[i]=(char *) NULL;
*number_delegates=(unsigned long) i;
return(delegates);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t D e l e g a t e M o d e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetDelegateMode() returns the mode of the delegate.
%
% The format of the GetDelegateMode method is:
%
% long GetDelegateMode(const DelegateInfo *delegate_info)
%
% A description of each parameter follows:
%
% o delegate_info: The delegate info.
%
*/
MagickExport long GetDelegateMode(const DelegateInfo *delegate_info)
{
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
assert(delegate_info != (DelegateInfo *) NULL);
assert(delegate_info->signature == MagickSignature);
return(delegate_info->mode);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ G e t D e l e g a t e T h r e a d S u p p o r t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetDelegateThreadSupport() returns MagickTrue if the delegate supports
% threads.
%
% The format of the GetDelegateThreadSupport method is:
%
% MagickBooleanType GetDelegateThreadSupport(
% const DelegateInfo *delegate_info)
%
% A description of each parameter follows:
%
% o delegate_info: The delegate info.
%
*/
MagickExport MagickBooleanType GetDelegateThreadSupport(
const DelegateInfo *delegate_info)
{
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
assert(delegate_info != (DelegateInfo *) NULL);
assert(delegate_info->signature == MagickSignature);
return(delegate_info->thread_support);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ I n i t i a l i z e D e l e g a t e L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% InitializeDelegateList() initializes the delegate list.
%
% The format of the InitializeDelegateList method is:
%
% MagickBooleanType InitializeDelegateList(ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o exception: Return any errors or warnings in this structure.
%
*/
static MagickBooleanType InitializeDelegateList(ExceptionInfo *exception)
{
if ((delegate_list == (LinkedListInfo *) NULL) &&
(instantiate_delegate == MagickFalse))
{
AcquireSemaphoreInfo(&delegate_semaphore);
if ((delegate_list == (LinkedListInfo *) NULL) &&
(instantiate_delegate == MagickFalse))
{
(void) LoadDelegateLists(DelegateFilename,exception);
instantiate_delegate=MagickTrue;
}
RelinquishSemaphoreInfo(delegate_semaphore);
}
return(delegate_list != (LinkedListInfo *) NULL ? MagickTrue : MagickFalse);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% I n v o k e D e l e g a t e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% InvokeDelegate replaces any embedded formatting characters with the
% appropriate image attribute and executes the resulting command. MagickFalse
% is returned if the commands execute with success otherwise MagickTrue.
%
% The format of the InvokeDelegate method is:
%
% MagickBooleanType InvokeDelegate(ImageInfo *image_info,Image *image,
% const char *decode,const char *encode,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image_info: The imageInfo.
%
% o image: The image.
%
% o exception: Return any errors or warnings in this structure.
%
*/
static inline size_t MagickMin(const size_t x,const size_t y)
{
if (x < y)
return(x);
return(y);
}
static void CopyDelegateFile(const char *source,const char *destination)
{
int
destination_file,
source_file,
status;
size_t
length,
quantum;
ssize_t
count;
struct stat
file_info;
unsigned char
*buffer;
/*
Return if destination file already exists and is not empty.
*/
assert(source != (const char *) NULL);
assert(destination != (char *) NULL);
status=stat(destination,&file_info);
if ((status == 0) && (file_info.st_size != 0))
return;
/*
Copy source file to destination.
*/
destination_file=open(destination,O_WRONLY | O_BINARY | O_CREAT,S_MODE);
if (destination_file == -1)
return;
source_file=open(source,O_RDONLY | O_BINARY);
if (source_file == -1)
{
(void) close(destination_file);
return;
}
quantum=(size_t) MagickMaxBufferSize;
if ((fstat(source_file,&file_info) == 0) && (file_info.st_size != 0))
quantum=MagickMin((size_t) file_info.st_size,MagickMaxBufferSize);
buffer=(unsigned char *) AcquireQuantumMemory(quantum,sizeof(*buffer));
if (buffer == (unsigned char *) NULL)
{
(void) close(source_file);
(void) close(destination_file);
return;
}
for (length=0; ; )
{
count=(ssize_t) read(source_file,buffer,quantum);
if (count <= 0)
break;
length=(size_t) count;
count=(ssize_t) write(destination_file,buffer,length);
if ((size_t) count != length)
break;
}
(void) close(destination_file);
(void) close(source_file);
buffer=(unsigned char *) RelinquishMagickMemory(buffer);
}
MagickExport MagickBooleanType InvokeDelegate(ImageInfo *image_info,
Image *image,const char *decode,const char *encode,ExceptionInfo *exception)
{
char
*command,
**commands,
input_filename[MaxTextExtent],
output_filename[MaxTextExtent];
const DelegateInfo
*delegate_info;
register long
i;
MagickBooleanType
status,
temporary;
/*
Get delegate.
*/
assert(image_info != (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);
temporary=(*image->filename == '\0') ? MagickTrue : MagickFalse;
if (temporary != MagickFalse)
if (AcquireUniqueFilename(image->filename) == MagickFalse)
{
ThrowFileException(exception,FileOpenError,
"UnableToCreateTemporaryFile",image->filename);
return(MagickFalse);
}
delegate_info=GetDelegateInfo(decode,encode,exception);
if (delegate_info == (DelegateInfo *) NULL)
{
if (temporary != MagickFalse)
(void) RelinquishUniqueFileResource(image->filename);
(void) ThrowMagickException(exception,GetMagickModule(),DelegateError,
"NoTagFound","`%s'",decode ? decode : encode);
return(MagickFalse);
}
if (*image_info->filename == '\0')
{
if (AcquireUniqueFilename(image_info->filename) == MagickFalse)
{
if (temporary != MagickFalse)
(void) RelinquishUniqueFileResource(image->filename);
ThrowFileException(exception,FileOpenError,
"UnableToCreateTemporaryFile",image_info->filename);
return(MagickFalse);
}
image_info->temporary=MagickTrue;
}
if ((delegate_info->mode != 0) &&
(((decode != (const char *) NULL) &&
(delegate_info->encode != (char *) NULL)) ||
((encode != (const char *) NULL) &&
(delegate_info->decode != (char *) NULL))))
{
char
*magick;
ImageInfo
*clone_info;
register Image
*p;
/*
Delegate requires a particular image format.
*/
if (AcquireUniqueFilename(image_info->unique) == MagickFalse)
{
ThrowFileException(exception,FileOpenError,
"UnableToCreateTemporaryFile",image_info->unique);
return(MagickFalse);
}
if (AcquireUniqueFilename(image_info->zero) == MagickFalse)
{
(void) RelinquishUniqueFileResource(image_info->zero);
ThrowFileException(exception,FileOpenError,
"UnableToCreateTemporaryFile",image_info->zero);
return(MagickFalse);
}
magick=InterpretImageProperties(image_info,image,decode != (char *) NULL ?
delegate_info->encode : delegate_info->decode);
if (magick == (char *) NULL)
{
(void) RelinquishUniqueFileResource(image_info->unique);
(void) RelinquishUniqueFileResource(image_info->zero);
if (temporary != MagickFalse)
(void) RelinquishUniqueFileResource(image->filename);
(void) ThrowMagickException(exception,GetMagickModule(),
DelegateError,"DelegateFailed","`%s'",decode ? decode : encode);
return(MagickFalse);
}
LocaleUpper(magick);
clone_info=CloneImageInfo(image_info);
(void) CopyMagickString((char *) clone_info->magick,magick,
MaxTextExtent);
(void) CopyMagickString(image->magick,magick,MaxTextExtent);
magick=DestroyString(magick);
(void) FormatMagickString(clone_info->filename,MaxTextExtent,"%s:",
delegate_info->decode);
(void) SetImageInfo(clone_info,MagickTrue,exception);
(void) CopyMagickString(clone_info->filename,image_info->filename,
MaxTextExtent);
(void) CopyMagickString(image_info->filename,image->filename,
MaxTextExtent);
for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
{
(void) FormatMagickString(p->filename,MaxTextExtent,"%s:%s",
delegate_info->decode,clone_info->filename);
status=WriteImage(clone_info,p);
if (status == MagickFalse)
{
(void) RelinquishUniqueFileResource(image_info->unique);
(void) RelinquishUniqueFileResource(image_info->zero);
if (temporary != MagickFalse)
(void) RelinquishUniqueFileResource(image->filename);
clone_info=DestroyImageInfo(clone_info);
(void) ThrowMagickException(exception,GetMagickModule(),
DelegateError,"DelegateFailed","`%s'",decode ? decode : encode);
return(MagickFalse);
}
if (clone_info->adjoin != MagickFalse)
break;
}
(void) RelinquishUniqueFileResource(image_info->unique);
(void) RelinquishUniqueFileResource(image_info->zero);
clone_info=DestroyImageInfo(clone_info);
}
/*
Invoke delegate.
*/
commands=StringToList(delegate_info->commands);
if (commands == (char **) NULL)
{
if (temporary != MagickFalse)
(void) RelinquishUniqueFileResource(image->filename);
(void) ThrowMagickException(exception,GetMagickModule(),
ResourceLimitError,"MemoryAllocationFailed","`%s'",
decode ? decode : encode);
return(MagickFalse);
}
command=(char *) NULL;
status=MagickFalse;
(void) CopyMagickString(output_filename,image_info->filename,MaxTextExtent);
(void) CopyMagickString(input_filename,image->filename,MaxTextExtent);
for (i=0; commands[i] != (char *) NULL; i++)
{
status=AcquireUniqueSymbolicLink(output_filename,image_info->filename);
if (AcquireUniqueFilename(image_info->unique) == MagickFalse)
{
ThrowFileException(exception,FileOpenError,
"UnableToCreateTemporaryFile",image_info->unique);
break;
}
if (AcquireUniqueFilename(image_info->zero) == MagickFalse)
{
(void) RelinquishUniqueFileResource(image_info->unique);
ThrowFileException(exception,FileOpenError,
"UnableToCreateTemporaryFile",image_info->zero);
break;
}
status=AcquireUniqueSymbolicLink(input_filename,image->filename);
if (status == MagickFalse)
{
ThrowFileException(exception,FileOpenError,
"UnableToCreateTemporaryFile",input_filename);
break;
}
command=InterpretImageProperties(image_info,image,commands[i]);
if (command == (char *) NULL)
break;
/*
Execute delegate.
*/
if (delegate_info->spawn != MagickFalse)
(void) ConcatenateString(&command," &");
status=SystemCommand(image_info->verbose,command) != 0 ? MagickTrue :
MagickFalse;
if (delegate_info->spawn != MagickFalse)
(void) sleep(2);
command=DestroyString(command);
(void) RelinquishUniqueFileResource(image->filename);
(void) RelinquishUniqueFileResource(image_info->unique);
(void) RelinquishUniqueFileResource(image_info->zero);
CopyDelegateFile(image_info->filename,output_filename);
(void) RelinquishUniqueFileResource(image_info->filename);
if (status != MagickFalse)
{
(void) ThrowMagickException(exception,GetMagickModule(),DelegateError,
"DelegateFailed","`%s'",commands[i]);
return(MagickFalse);
}
commands[i]=DestroyString(commands[i]);
}
(void) CopyMagickString(image_info->filename,output_filename,MaxTextExtent);
(void) CopyMagickString(image->filename,input_filename,MaxTextExtent);
/*
Free resources.
*/
for ( ; commands[i] != (char *) NULL; i++)
commands[i]=DestroyString(commands[i]);
commands=(char **) RelinquishMagickMemory(commands);
if (temporary != MagickFalse)
(void) RelinquishUniqueFileResource(image->filename);
return(status == MagickFalse ? MagickTrue : MagickFalse);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% L i s t D e l e g a t e I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ListDelegateInfo() lists the image formats to a file.
%
% The format of the ListDelegateInfo method is:
%
% MagickBooleanType ListDelegateInfo(FILE *file,ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o file: An pointer to a FILE.
%
% o exception: Return any errors or warnings in this structure.
%
*/
MagickExport MagickBooleanType ListDelegateInfo(FILE *file,
ExceptionInfo *exception)
{
const DelegateInfo
**delegate_info;
char
**commands,
delegate[MaxTextExtent];
const char
*path;
long
j;
register long
i;
unsigned long
number_delegates;
if (file == (const FILE *) NULL)
file=stdout;
delegate_info=GetDelegateInfoList("*",&number_delegates,exception);
if (delegate_info == (const DelegateInfo **) NULL)
return(MagickFalse);
path=(const char *) NULL;
for (i=0; i < (long) number_delegates; i++)
{
if (delegate_info[i]->stealth != MagickFalse)
continue;
if ((path == (const char *) NULL) ||
(LocaleCompare(path,delegate_info[i]->path) != 0))
{
if (delegate_info[i]->path != (char *) NULL)
(void) fprintf(file,"\nPath: %s\n\n",delegate_info[i]->path);
(void) fprintf(file,"Delegate Command\n");
(void) fprintf(file,"-------------------------------------------------"
"------------------------------\n");
}
path=delegate_info[i]->path;
*delegate='\0';
if (delegate_info[i]->encode != (char *) NULL)
(void) CopyMagickString(delegate,delegate_info[i]->encode,MaxTextExtent);
(void) ConcatenateMagickString(delegate," ",MaxTextExtent);
delegate[8]='\0';
commands=StringToList(delegate_info[i]->commands);
if (commands == (char **) NULL)
continue;
(void) fprintf(file,"%8s%c=%c%s ",delegate_info[i]->decode ?
delegate_info[i]->decode : "",delegate_info[i]->mode <= 0 ? '<' : ' ',
delegate_info[i]->mode >= 0 ? '>' : ' ',delegate);
StripString(commands[0]);
(void) fprintf(file,"\"%s\"\n",commands[0]);
for (j=1; commands[j] != (char *) NULL; j++)
{
StripString(commands[j]);
(void) fprintf(file," \"%s\"\n",commands[j]);
}
for (j=0; commands[j] != (char *) NULL; j++)
commands[j]=DestroyString(commands[j]);
commands=(char **) RelinquishMagickMemory(commands);
}
(void) fflush(file);
delegate_info=(const DelegateInfo **)
RelinquishMagickMemory((void *) delegate_info);
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ L o a d D e l e g a t e L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% LoadDelegateList() loads the delegate configuration file which provides a
% mapping between delegate attributes and a delegate name.
%
% The format of the LoadDelegateList method is:
%
% MagickBooleanType LoadDelegateList(const char *xml,const char *filename,
% const unsigned long depth,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o xml: The delegate list in XML format.
%
% o filename: The delegate list filename.
%
% o depth: depth of <include /> statements.
%
% o exception: Return any errors or warnings in this structure.
%
*/
static MagickBooleanType LoadDelegateList(const char *xml,const char *filename,
const unsigned long depth,ExceptionInfo *exception)
{
const char
*attribute;
DelegateInfo
*delegate_info = (DelegateInfo *) NULL;
MagickBooleanType
status;
XMLTreeInfo
*delegate,
*delegate_map,
*include;
/*
Load the delegate map file.
*/
(void) LogMagickEvent(ConfigureEvent,GetMagickModule(),
"Loading delegate map \"%s\" ...",filename);
if (xml == (const char *) NULL)
return(MagickFalse);
if (delegate_list == (LinkedListInfo *) NULL)
{
delegate_list=NewLinkedList(0);
if (delegate_list == (LinkedListInfo *) NULL)
{
ThrowFileException(exception,ResourceLimitError,
"MemoryAllocationFailed",filename);
return(MagickFalse);
}
}
delegate_map=NewXMLTree(xml,exception);
if (delegate_map == (XMLTreeInfo *) NULL)
return(MagickFalse);
status=MagickTrue;
include=GetXMLTreeChild(delegate_map,"include");
while (include != (XMLTreeInfo *) NULL)
{
/*
Process include element.
*/
attribute=GetXMLTreeAttribute(include,"file");
if (attribute != (const char *) NULL)
{
if (depth > 200)
(void) ThrowMagickException(exception,GetMagickModule(),
DelegateError,"IncludeElementNestedTooDeeply","`%s'",filename);
else
{
char
path[MaxTextExtent],
*xml;
GetPathComponent(filename,HeadPath,path);
if (*path != '\0')
(void) ConcatenateMagickString(path,DirectorySeparator,
MaxTextExtent);
(void) ConcatenateMagickString(path,attribute,MaxTextExtent);
xml=FileToString(path,~0,exception);
if (xml != (char *) NULL)
{
status=LoadDelegateList(xml,path,depth+1,exception);
xml=DestroyString(xml);
}
}
}
include=GetNextXMLTreeTag(include);
}
delegate=GetXMLTreeChild(delegate_map,"delegate");
while (delegate != (XMLTreeInfo *) NULL)
{
const char
*attribute;
/*
Process delegate element.
*/
delegate_info=(DelegateInfo *) AcquireMagickMemory(sizeof(*delegate_info));
if (delegate_info == (DelegateInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,
"MemoryAllocationFailed");
(void) ResetMagickMemory(delegate_info,0,sizeof(*delegate_info));
delegate_info->path=ConstantString(filename);
delegate_info->signature=MagickSignature;
attribute=GetXMLTreeAttribute(delegate,"command");
if (attribute != (const char *) NULL)
{
char
*commands;
commands=ConstantString(attribute);
#if defined(__WINDOWS__)
if (strchr(commands,'@') != (char *) NULL)
{
char
path[MaxTextExtent];
NTGhostscriptEXE(path,MaxTextExtent);
SubstituteString((char **) &commands,"@PSDelegate@",path);
SubstituteString((char **) &commands,"\\","/");
}
#endif
delegate_info->commands=commands;
}
attribute=GetXMLTreeAttribute(delegate,"decode");
if (attribute != (const char *) NULL)
{
delegate_info->decode=ConstantString(attribute);
delegate_info->mode=1;
}
attribute=GetXMLTreeAttribute(delegate,"encode");
if (attribute != (const char *) NULL)
{
delegate_info->encode=ConstantString(attribute);
delegate_info->mode=(-1);
}
attribute=GetXMLTreeAttribute(delegate,"mode");
if (attribute != (const char *) NULL)
{
delegate_info->mode=1;
if (LocaleCompare(attribute,"bi") == 0)
delegate_info->mode=0;
if (LocaleCompare(attribute,"encode") == 0)
delegate_info->mode=(-1);
}
attribute=GetXMLTreeAttribute(delegate,"spawn");
if (attribute != (const char *) NULL)
delegate_info->spawn=IsMagickTrue(attribute);
attribute=GetXMLTreeAttribute(delegate,"stealth");
if (attribute != (const char *) NULL)
delegate_info->stealth=IsMagickTrue(attribute);
attribute=GetXMLTreeAttribute(delegate,"thread-support");
if (attribute != (const char *) NULL)
delegate_info->thread_support=IsMagickTrue(attribute);
status=AppendValueToLinkedList(delegate_list,delegate_info);
if (status == MagickFalse)
(void) ThrowMagickException(exception,GetMagickModule(),
ResourceLimitError,"MemoryAllocationFailed","`%s'",filename);
delegate=GetNextXMLTreeTag(delegate);
}
delegate_map=DestroyXMLTree(delegate_map);
return(status);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% L o a d D e l e g a t e L i s t s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% LoadDelegateList() loads one or more delegate configuration file which
% provides a mapping between delegate attributes and a delegate name.
%
% The format of the LoadDelegateLists method is:
%
% MagickBooleanType LoadDelegateLists(const char *filename,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o filename: The font file name.
%
% o exception: Return any errors or warnings in this structure.
%
*/
static MagickBooleanType LoadDelegateLists(const char *filename,
ExceptionInfo *exception)
{
#if defined(UseEmbeddableMagick)
return(LoadDelegateList(DelegateMap,"built-in",0,exception));
#else
const StringInfo
*option;
LinkedListInfo
*options;
MagickStatusType
status;
status=MagickFalse;
options=GetConfigureOptions(filename,exception);
option=(const StringInfo *) GetNextValueInLinkedList(options);
while (option != (const StringInfo *) NULL)
{
status|=LoadDelegateList((const char *) GetStringInfoDatum(option),
GetStringInfoPath(option),0,exception);
option=(const StringInfo *) GetNextValueInLinkedList(options);
}
options=DestroyConfigureOptions(options);
if ((delegate_list == (LinkedListInfo *) NULL) ||
(IsLinkedListEmpty(delegate_list) != MagickFalse))
status|=LoadDelegateList(DelegateMap,"built-in",0,exception);
return(status != 0 ? MagickTrue : MagickFalse);
#endif
}
|
