delegate.h

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00001 /*
00002   Copyright 1999-2009 ImageMagick Studio LLC, a non-profit organization
00003   dedicated to making software imaging solutions freely available.
00004   
00005   You may not use this file except in compliance with the License.
00006   obtain a copy of the License at
00007   
00008     http://www.imagemagick.org/script/license.php
00009   
00010   Unless required by applicable law or agreed to in writing, software
00011   distributed under the License is distributed on an "AS IS" BASIS,
00012   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013   See the License for the specific language governing permissions and
00014   limitations under the License.
00015 
00016   MagickCore delegates methods.
00017 */
00018 #ifndef _MAGICKCORE_DELEGATE_H
00019 #define _MAGICKCORE_DELEGATE_H
00020 
00021 #if defined(__cplusplus) || defined(c_plusplus)
00022 extern "C" {
00023 #endif
00024 
00025 typedef struct _DelegateInfo
00026 {
00027   char
00028     *path,
00029     *decode,
00030     *encode,
00031     *commands;
00032                                                                                 
00033   long
00034     mode;
00035                                                                                 
00036   MagickBooleanType
00037     thread_support,
00038     spawn,
00039     stealth;
00040                                                                                 
00041   struct _DelegateInfo
00042     *previous,
00043     *next;  /* deprecated, use GetDelegateInfoList() */
00044 
00045   unsigned long
00046     signature;
00047 } DelegateInfo;
00048 
00049 extern MagickExport char
00050   *GetDelegateCommand(const ImageInfo *,Image *,const char *,const char *,
00051     ExceptionInfo *),
00052   **GetDelegateList(const char *,unsigned long *,ExceptionInfo *);
00053 
00054 extern MagickExport const char
00055   *GetDelegateCommands(const DelegateInfo *);
00056 
00057 extern MagickExport const DelegateInfo
00058   *GetDelegateInfo(const char *,const char *,ExceptionInfo *exception),
00059   **GetDelegateInfoList(const char *,unsigned long *,ExceptionInfo *);
00060 
00061 extern MagickExport long
00062   GetDelegateMode(const DelegateInfo *);
00063 
00064 extern MagickExport MagickBooleanType
00065   DelegateComponentGenesis(void),
00066   GetDelegateThreadSupport(const DelegateInfo *),
00067   InvokeDelegate(ImageInfo *,Image *,const char *,const char *,ExceptionInfo *),
00068   ListDelegateInfo(FILE *,ExceptionInfo *);
00069 
00070 extern MagickExport void
00071   DelegateComponentTerminus(void);
00072 
00073 #if defined(__cplusplus) || defined(c_plusplus)
00074 }
00075 #endif
00076 
00077 #endif