1 /* 2 Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization 3 dedicated to making software imaging solutions freely available. 4 5 You may not use this file except in compliance with the License. You may 6 obtain a copy of the License at 7 8 https://imagemagick.org/script/license.php 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 16 MagickCore module methods. 17 */ 18 #ifndef MAGICKCORE_MODULE_H 19 #define MAGICKCORE_MODULE_H 20 21 #include <time.h> 22 #include "magick/version.h" 23 24 #if defined(__cplusplus) || defined(c_plusplus) 25 extern "C" { 26 #endif 27 28 #define MagickImageCoderSignature ((size_t) \ 29 (((MagickLibInterface) << 8) | MAGICKCORE_QUANTUM_DEPTH)) 30 #define MagickImageFilterSignature ((size_t) \ 31 (((MagickLibInterface) << 8) | MAGICKCORE_QUANTUM_DEPTH)) 32 33 typedef enum 34 { 35 MagickImageCoderModule, 36 MagickImageFilterModule 37 } MagickModuleType; 38 39 typedef struct _ModuleInfo 40 { 41 char 42 *path, 43 *tag; 44 45 void 46 *handle, 47 (*unregister_module)(void); 48 49 size_t 50 (*register_module)(void); 51 52 time_t 53 timestamp; 54 55 MagickBooleanType 56 stealth; 57 58 struct _ModuleInfo 59 *previous, 60 *next; /* deprecated, use GetModuleInfoList() */ 61 62 size_t 63 signature; 64 } ModuleInfo; 65 66 typedef size_t 67 ImageFilterHandler(Image **,const int,const char **,ExceptionInfo *); 68 69 extern MagickExport char 70 **GetModuleList(const char *,const MagickModuleType,size_t *,ExceptionInfo *); 71 72 extern MagickExport const ModuleInfo 73 **GetModuleInfoList(const char *,size_t *,ExceptionInfo *); 74 75 extern MagickExport MagickBooleanType 76 InvokeDynamicImageFilter(const char *,Image **,const int,const char **, 77 ExceptionInfo *), 78 ListModuleInfo(FILE *,ExceptionInfo *), 79 ModuleComponentGenesis(void), 80 OpenModule(const char *,ExceptionInfo *), 81 OpenModules(ExceptionInfo *); 82 83 extern MagickExport ModuleInfo 84 *GetModuleInfo(const char *,ExceptionInfo *); 85 86 extern MagickExport void 87 DestroyModuleList(void), 88 ModuleComponentTerminus(void); 89 90 #if defined(__cplusplus) || defined(c_plusplus) 91 } 92 #endif 93 94 #endif 95