| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % 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 % |
| % % |
| % % |
| % MagickCore Methods to Read/Write/Invoke Delegates % |
| % % |
| % Software Design % |
| % John Cristy % |
| % October 1998 % |
| % % |
| % % |
| % Copyright 1999-2011 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/policy.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=\"avi:decode\" stealth=\"True\" command=\""mplayer" "%i" -really-quiet -ao null -vo png:z=3\"/>" |
| " <delegate decode=\"browse\" stealth=\"True\" spawn=\"True\" command=\""xdg-open" http://www.imagemagick.org/\"/>" |
| " <delegate decode=\"cgm\" thread-support=\"False\" command=\""ralcgm" -d ps -oC < "%i" > "%o" 2> "%u"\"/>" |
| " <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=\"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=\""ffmpeg" --i "%i" -vcodec pam -an -f rawvideo -y "%u0.pam" 2;> "%Z"\"/>" |
| " <delegate decode=\"null\" encode=\"mpeg:encode\" stealth=\"True\" command=\""ffmpeg" "%M%%d.jpg" "%u.%m" 2;> "%Z"\"/>" |
| " <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 "-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 "-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 "-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=\"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 "-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 "-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=bmpsep8" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-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 "-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 "-r%s" %s "-sOutputFile=%s" "-f%s" "-f%s"\"/>" |
| " <delegate decode=\"rgba\" encode=\"rle\" mode=\"encode\" command=\""rawtorle" -o "%o" -v "%i"\"/>" |
| " <delegate decode=\"scan\" command=\""scanimage" -d "%i" > "%o"\"/>" |
| " <delegate encode=\"show\" spawn=\"True\" command=\""/usr/local/bin/display" -immutable -delay 0 -window-group %g -title "%l of %f" "temporary:%i"\"/>" |
| " <delegate decode=\"shtml\" command=\""html2ps" -U -o "%o" "%i"\"/>" |
| " <delegate decode=\"svg\" command=\""rsvg" "%i" "%o"\"/>" |
| " <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" "temporary:%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 l e g a t e C o m p o n e n t T e r m i n u s % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % DelegateComponentGenesis() instantiates the delegate component. |
| % |
| % The format of the DelegateComponentGenesis method is: |
| % |
| % MagickBooleanType DelegateComponentGenesis(void) |
| % |
| */ |
| MagickExport MagickBooleanType DelegateComponentGenesis(void) |
| { |
| AcquireSemaphoreInfo(&delegate_semaphore); |
| return(MagickTrue); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % D e l e g a t e C o m p o n e n t T e r m i n u s % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % DelegateComponentTerminus() destroys the delegate component. |
| % |
| % The format of the DelegateComponentTerminus method is: |
| % |
| % DelegateComponentTerminus(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 DelegateComponentTerminus(void) |
| { |
| if (delegate_semaphore == (SemaphoreInfo *) NULL) |
| AcquireSemaphoreInfo(&delegate_semaphore); |
| LockSemaphoreInfo(delegate_semaphore); |
| if (delegate_list != (LinkedListInfo *) NULL) |
| delegate_list=DestroyLinkedList(delegate_list,DestroyDelegate); |
| instantiate_delegate=MagickFalse; |
| UnlockSemaphoreInfo(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 ssize_t |
| 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]); |
| /* |
| Relinquish 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. |
| */ |
| LockSemaphoreInfo(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); |
| } |
| if (p != (const DelegateInfo *) NULL) |
| (void) InsertValueInLinkedList(delegate_list,0, |
| RemoveElementByValueFromLinkedList(delegate_list,p)); |
| UnlockSemaphoreInfo(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, |
| % size_t *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, |
| size_t *number_delegates,ExceptionInfo *exception) |
| { |
| const DelegateInfo |
| **delegates; |
| |
| register const DelegateInfo |
| *p; |
| |
| register ssize_t |
| i; |
| |
| /* |
| Allocate delegate list. |
| */ |
| assert(pattern != (char *) NULL); |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern); |
| assert(number_delegates != (size_t *) 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. |
| */ |
| LockSemaphoreInfo(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); |
| } |
| UnlockSemaphoreInfo(delegate_semaphore); |
| qsort((void *) delegates,(size_t) i,sizeof(*delegates),DelegateInfoCompare); |
| delegates[i]=(DelegateInfo *) NULL; |
| *number_delegates=(size_t) 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, |
| % size_t *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, |
| size_t *number_delegates,ExceptionInfo *exception) |
| { |
| char |
| **delegates; |
| |
| register const DelegateInfo |
| *p; |
| |
| register ssize_t |
| i; |
| |
| /* |
| Allocate delegate list. |
| */ |
| assert(pattern != (char *) NULL); |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern); |
| assert(number_delegates != (size_t *) 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); |
| LockSemaphoreInfo(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); |
| } |
| UnlockSemaphoreInfo(delegate_semaphore); |
| qsort((void *) delegates,(size_t) i,sizeof(*delegates),DelegateCompare); |
| delegates[i]=(char *) NULL; |
| *number_delegates=(size_t) 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: |
| % |
| % ssize_t GetDelegateMode(const DelegateInfo *delegate_info) |
| % |
| % A description of each parameter follows: |
| % |
| % o delegate_info: The delegate info. |
| % |
| */ |
| MagickExport ssize_t 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)) |
| { |
| if (delegate_semaphore == (SemaphoreInfo *) NULL) |
| AcquireSemaphoreInfo(&delegate_semaphore); |
| LockSemaphoreInfo(delegate_semaphore); |
| if ((delegate_list == (LinkedListInfo *) NULL) && |
| (instantiate_delegate == MagickFalse)) |
| { |
| (void) LoadDelegateLists(DelegateFilename,exception); |
| instantiate_delegate=MagickTrue; |
| } |
| UnlockSemaphoreInfo(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 MagickBooleanType CopyDelegateFile(const char *source, |
| const char *destination) |
| { |
| int |
| destination_file, |
| source_file; |
| |
| MagickBooleanType |
| status; |
| |
| register size_t |
| i; |
| |
| size_t |
| length, |
| quantum; |
| |
| ssize_t |
| count; |
| |
| struct stat |
| attributes; |
| |
| unsigned char |
| *buffer; |
| |
| /* |
| Return if destination file already exists and is not empty. |
| */ |
| assert(source != (const char *) NULL); |
| assert(destination != (char *) NULL); |
| status=GetPathAttributes(destination,&attributes); |
| if ((status != MagickFalse) && (attributes.st_size != 0)) |
| return(MagickTrue); |
| /* |
| Copy source file to destination. |
| */ |
| destination_file=open(destination,O_WRONLY | O_BINARY | O_CREAT,S_MODE); |
| if (destination_file == -1) |
| return(MagickFalse); |
| source_file=open(source,O_RDONLY | O_BINARY); |
| if (source_file == -1) |
| { |
| (void) close(destination_file); |
| return(MagickFalse); |
| } |
| quantum=(size_t) MagickMaxBufferExtent; |
| if ((fstat(source_file,&attributes) == 0) && (attributes.st_size != 0)) |
| quantum=MagickMin((size_t) attributes.st_size,MagickMaxBufferExtent); |
| buffer=(unsigned char *) AcquireQuantumMemory(quantum,sizeof(*buffer)); |
| if (buffer == (unsigned char *) NULL) |
| { |
| (void) close(source_file); |
| (void) close(destination_file); |
| return(MagickFalse); |
| } |
| length=0; |
| for (i=0; ; i+=count) |
| { |
| 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); |
| return(i != 0 ? MagickTrue : MagickFalse); |
| } |
| |
| 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; |
| |
| MagickBooleanType |
| status, |
| temporary; |
| |
| register ssize_t |
| i; |
| |
| PolicyRights |
| rights; |
| |
| /* |
| 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); |
| rights=ExecutePolicyRights; |
| if (IsRightsAuthorized(DelegatePolicyDomain,rights,decode) == MagickFalse) |
| { |
| errno=EPERM; |
| (void) ThrowMagickException(exception,GetMagickModule(),PolicyError, |
| "NotAuthorized","`%s'",decode); |
| return(MagickFalse); |
| } |
| if (IsRightsAuthorized(DelegatePolicyDomain,rights,encode) == MagickFalse) |
| { |
| errno=EPERM; |
| (void) ThrowMagickException(exception,GetMagickModule(),PolicyError, |
| "NotAuthorized","`%s'",encode); |
| return(MagickFalse); |
| } |
| 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); |
| if (LocaleCompare(magick,"NULL") != 0) |
| (void) CopyMagickString(image->magick,magick,MaxTextExtent); |
| magick=DestroyString(magick); |
| (void) FormatLocaleString(clone_info->filename,MaxTextExtent,"%s:", |
| delegate_info->decode); |
| (void) SetImageInfo(clone_info,(unsigned int) GetImageListLength(image), |
| 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) FormatLocaleString(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; |
| } |
| if (LocaleCompare(decode,"SCAN") != 0) |
| { |
| status=AcquireUniqueSymbolicLink(input_filename,image->filename); |
| if (status == MagickFalse) |
| { |
| ThrowFileException(exception,FileOpenError, |
| "UnableToCreateTemporaryFile",input_filename); |
| break; |
| } |
| } |
| status=MagickFalse; |
| command=InterpretImageProperties(image_info,image,commands[i]); |
| if (command != (char *) NULL) |
| { |
| /* |
| Execute delegate. |
| */ |
| status=SystemCommand(delegate_info->spawn,image_info->verbose,command, |
| exception) != 0 ? MagickTrue : MagickFalse; |
| if (delegate_info->spawn != MagickFalse) |
| (void) sleep(2); |
| command=DestroyString(command); |
| } |
| if (LocaleCompare(decode,"SCAN") != 0) |
| { |
| if (CopyDelegateFile(image->filename,input_filename) == MagickFalse) |
| (void) RelinquishUniqueFileResource(input_filename); |
| } |
| if (CopyDelegateFile(image_info->filename,output_filename) == MagickFalse) |
| (void) RelinquishUniqueFileResource(output_filename); |
| if (image_info->temporary != MagickFalse) |
| (void) RelinquishUniqueFileResource(image_info->filename); |
| (void) RelinquishUniqueFileResource(image_info->unique); |
| (void) RelinquishUniqueFileResource(image_info->zero); |
| (void) RelinquishUniqueFileResource(image_info->filename); |
| (void) RelinquishUniqueFileResource(image->filename); |
| if (status != MagickFalse) |
| { |
| (void) ThrowMagickException(exception,GetMagickModule(),DelegateError, |
| "DelegateFailed","`%s'",commands[i]); |
| break; |
| } |
| commands[i]=DestroyString(commands[i]); |
| } |
| (void) CopyMagickString(image_info->filename,output_filename,MaxTextExtent); |
| (void) CopyMagickString(image->filename,input_filename,MaxTextExtent); |
| /* |
| Relinquish 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; |
| |
| register ssize_t |
| i; |
| |
| size_t |
| number_delegates; |
| |
| ssize_t |
| j; |
| |
| 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 < (ssize_t) 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) FormatLocaleFile(file,"\nPath: %s\n\n",delegate_info[i]->path); |
| (void) FormatLocaleFile(file,"Delegate Command\n"); |
| (void) FormatLocaleFile(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) FormatLocaleFile(file,"%11s%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) FormatLocaleFile(file,"\"%s\"\n",commands[0]); |
| for (j=1; commands[j] != (char *) NULL; j++) |
| { |
| StripString(commands[j]); |
| (void) FormatLocaleFile(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 size_t 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 size_t depth,ExceptionInfo *exception) |
| { |
| char |
| keyword[MaxTextExtent], |
| *token; |
| |
| const char |
| *q; |
| |
| DelegateInfo |
| *delegate_info; |
| |
| MagickBooleanType |
| status; |
| |
| /* |
| Load the delegate map file. |
| */ |
| (void) LogMagickEvent(ConfigureEvent,GetMagickModule(), |
| "Loading delegate configuration file \"%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); |
| } |
| } |
| status=MagickTrue; |
| delegate_info=(DelegateInfo *) NULL; |
| token=AcquireString(xml); |
| for (q=(const char *) xml; *q != '\0'; ) |
| { |
| /* |
| Interpret XML. |
| */ |
| GetMagickToken(q,&q,token); |
| if (*token == '\0') |
| break; |
| (void) CopyMagickString(keyword,token,MaxTextExtent); |
| if (LocaleNCompare(keyword,"<!DOCTYPE",9) == 0) |
| { |
| /* |
| Doctype element. |
| */ |
| while ((LocaleNCompare(q,"]>",2) != 0) && (*q != '\0')) |
| GetMagickToken(q,&q,token); |
| continue; |
| } |
| if (LocaleNCompare(keyword,"<!--",4) == 0) |
| { |
| /* |
| Comment element. |
| */ |
| while ((LocaleNCompare(q,"->",2) != 0) && (*q != '\0')) |
| GetMagickToken(q,&q,token); |
| continue; |
| } |
| if (LocaleCompare(keyword,"<include") == 0) |
| { |
| /* |
| Include element. |
| */ |
| while (((*token != '/') && (*(token+1) != '>')) && (*q != '\0')) |
| { |
| (void) CopyMagickString(keyword,token,MaxTextExtent); |
| GetMagickToken(q,&q,token); |
| if (*token != '=') |
| continue; |
| GetMagickToken(q,&q,token); |
| if (LocaleCompare(keyword,"file") == 0) |
| { |
| if (depth > 200) |
| (void) ThrowMagickException(exception,GetMagickModule(), |
| ConfigureError,"IncludeElementNestedTooDeeply","`%s'",token); |
| else |
| { |
| char |
| path[MaxTextExtent], |
| *xml; |
| |
| GetPathComponent(filename,HeadPath,path); |
| if (*path != '\0') |
| (void) ConcatenateMagickString(path,DirectorySeparator, |
| MaxTextExtent); |
| if (*token == *DirectorySeparator) |
| (void) CopyMagickString(path,token,MaxTextExtent); |
| else |
| (void) ConcatenateMagickString(path,token,MaxTextExtent); |
| xml=FileToString(path,~0,exception); |
| if (xml != (char *) NULL) |
| { |
| status=LoadDelegateList(xml,path,depth+1,exception); |
| xml=(char *) RelinquishMagickMemory(xml); |
| } |
| } |
| } |
| } |
| continue; |
| } |
| if (LocaleCompare(keyword,"<delegate") == 0) |
| { |
| /* |
| 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; |
| continue; |
| } |
| if (delegate_info == (DelegateInfo *) NULL) |
| continue; |
| if (LocaleCompare(keyword,"/>") == 0) |
| { |
| status=AppendValueToLinkedList(delegate_list,delegate_info); |
| if (status == MagickFalse) |
| (void) ThrowMagickException(exception,GetMagickModule(), |
| ResourceLimitError,"MemoryAllocationFailed","`%s'", |
| delegate_info->commands); |
| delegate_info=(DelegateInfo *) NULL; |
| } |
| GetMagickToken(q,(const char **) NULL,token); |
| if (*token != '=') |
| continue; |
| GetMagickToken(q,&q,token); |
| GetMagickToken(q,&q,token); |
| switch (*keyword) |
| { |
| case 'C': |
| case 'c': |
| { |
| if (LocaleCompare((char *) keyword,"command") == 0) |
| { |
| char |
| *commands; |
| |
| commands=AcquireString(token); |
| #if defined(MAGICKCORE_WINDOWS_SUPPORT) |
| if (strchr(commands,'@') != (char *) NULL) |
| { |
| char |
| path[MaxTextExtent]; |
| |
| NTGhostscriptEXE(path,MaxTextExtent); |
| (void) SubstituteString((char **) &commands,"@PSDelegate@", |
| path); |
| (void) SubstituteString((char **) &commands,"\\","/"); |
| } |
| #endif |
| (void) SubstituteString((char **) &commands,"&","&"); |
| (void) SubstituteString((char **) &commands,""","\""); |
| (void) SubstituteString((char **) &commands,">",">"); |
| (void) SubstituteString((char **) &commands,"<","<"); |
| delegate_info->commands=commands; |
| break; |
| } |
| break; |
| } |
| case 'D': |
| case 'd': |
| { |
| if (LocaleCompare((char *) keyword,"decode") == 0) |
| { |
| delegate_info->decode=ConstantString(token); |
| delegate_info->mode=1; |
| break; |
| } |
| break; |
| } |
| case 'E': |
| case 'e': |
| { |
| if (LocaleCompare((char *) keyword,"encode") == 0) |
| { |
| delegate_info->encode=ConstantString(token); |
| delegate_info->mode=(-1); |
| break; |
| } |
| break; |
| } |
| case 'M': |
| case 'm': |
| { |
| if (LocaleCompare((char *) keyword,"mode") == 0) |
| { |
| delegate_info->mode=1; |
| if (LocaleCompare(token,"bi") == 0) |
| delegate_info->mode=0; |
| else |
| if (LocaleCompare(token,"encode") == 0) |
| delegate_info->mode=(-1); |
| break; |
| } |
| break; |
| } |
| case 'S': |
| case 's': |
| { |
| if (LocaleCompare((char *) keyword,"spawn") == 0) |
| { |
| delegate_info->spawn=IsMagickTrue(token); |
| break; |
| } |
| if (LocaleCompare((char *) keyword,"stealth") == 0) |
| { |
| delegate_info->stealth=IsMagickTrue(token); |
| break; |
| } |
| break; |
| } |
| case 'T': |
| case 't': |
| { |
| if (LocaleCompare((char *) keyword,"thread-support") == 0) |
| { |
| delegate_info->thread_support=IsMagickTrue(token); |
| break; |
| } |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| token=(char *) RelinquishMagickMemory(token); |
| 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(MAGICKCORE_EMBEDDABLE_SUPPORT) |
| 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 |
| } |