1 /* 2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3 % % 4 % % 5 % % 6 % M M PPPP RRRR % 7 % MM MM P P R R % 8 % M M M PPPP RRRR % 9 % M M P R R % 10 % M M P R R % 11 % % 12 % % 13 % Read/Write the Magick Persistent Registry. % 14 % % 15 % Software Design % 16 % Cristy % 17 % July 1992 % 18 % % 19 % % 20 % Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization % 21 % dedicated to making software imaging solutions freely available. % 22 % % 23 % You may not use this file except in compliance with the License. You may % 24 % obtain a copy of the License at % 25 % % 26 % http://www.imagemagick.org/script/license.php % 27 % % 28 % Unless required by applicable law or agreed to in writing, software % 29 % distributed under the License is distributed on an "AS IS" BASIS, % 30 % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % 31 % See the License for the specific language governing permissions and % 32 % limitations under the License. % 33 % % 34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 35 % 36 % 37 */ 38 39 /* 41 Include declarations. 42 */ 43 #include "MagickCore/studio.h" 44 #include "MagickCore/blob.h" 45 #include "MagickCore/blob-private.h" 46 #include "MagickCore/exception.h" 47 #include "MagickCore/exception-private.h" 48 #include "MagickCore/magick.h" 49 #include "MagickCore/memory_.h" 50 #include "MagickCore/registry.h" 51 #include "MagickCore/quantum-private.h" 52 #include "MagickCore/static.h" 53 #include "MagickCore/string_.h" 54 #include "MagickCore/module.h" 55 56 /* 58 Forward declarations. 59 */ 60 static MagickBooleanType 61 WriteMPRImage(const ImageInfo *,Image *,ExceptionInfo *); 62 63 /* 65 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 66 % % 67 % % 68 % % 69 % R e a d M P R I m a g e % 70 % % 71 % % 72 % % 73 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 74 % 75 % ReadMPRImage() reads a Magick Persistent Registry image as a blob from 76 % memory. It allocates the memory necessary for the new Image structure and 77 % returns a pointer to the new image. 78 % 79 % The format of the ReadMPRImage method is: 80 % 81 % Image *ReadMPRImage(const ImageInfo *image_info, 82 % ExceptionInfo *exception) 83 % 84 % A description of each parameter follows: 85 % 86 % o image_info: the image info. 87 % 88 % o exception: return any errors or warnings in this structure. 89 % 90 */ 91 static Image *ReadMPRImage(const ImageInfo *image_info,ExceptionInfo *exception) 92 { 93 Image 94 *image; 95 96 assert(image_info != (const ImageInfo *) NULL); 97 assert(image_info->signature == MagickCoreSignature); 98 if (image_info->debug != MagickFalse) 99 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 100 image_info->filename); 101 assert(exception != (ExceptionInfo *) NULL); 102 assert(exception->signature == MagickCoreSignature); 103 image=(Image *) GetImageRegistry(ImageRegistryType,image_info->filename, 104 exception); 105 if (image != (Image *) NULL) 106 (void) SyncImageSettings(image_info,image,exception); 107 return(image); 108 } 109 110 /* 112 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 113 % % 114 % % 115 % % 116 % R e g i s t e r M P R I m a g e % 117 % % 118 % % 119 % % 120 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 121 % 122 % RegisterMPRImage() adds attributes for the MPR image format to 123 % the list of supported formats. The attributes include the image format 124 % tag, a method to read and/or write the format, whether the format 125 % supports the saving of more than one frame to the same file or blob, 126 % whether the format supports native in-memory I/O, and a brief 127 % description of the format. 128 % 129 % The format of the RegisterMPRImage method is: 130 % 131 % size_t RegisterMPRImage(void) 132 % 133 */ 134 ModuleExport size_t RegisterMPRImage(void) 135 { 136 MagickInfo 137 *entry; 138 139 entry=AcquireMagickInfo("MPR","MPR","Magick Persistent Registry"); 140 entry->decoder=(DecodeImageHandler *) ReadMPRImage; 141 entry->encoder=(EncodeImageHandler *) WriteMPRImage; 142 entry->flags^=CoderAdjoinFlag; 143 entry->format_type=ImplicitFormatType; 144 entry->flags|=CoderStealthFlag; 145 (void) RegisterMagickInfo(entry); 146 entry=AcquireMagickInfo("MPR","MPRI","Magick Persistent Registry"); 147 entry->decoder=(DecodeImageHandler *) ReadMPRImage; 148 entry->encoder=(EncodeImageHandler *) WriteMPRImage; 149 entry->flags^=CoderAdjoinFlag; 150 entry->format_type=ImplicitFormatType; 151 entry->flags|=CoderStealthFlag; 152 (void) RegisterMagickInfo(entry); 153 return(MagickImageCoderSignature); 154 } 155 156 /* 158 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 159 % % 160 % % 161 % % 162 % U n r e g i s t e r M P R I m a g e % 163 % % 164 % % 165 % % 166 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 167 % 168 % UnregisterMPRImage() removes format registrations made by the 169 % MPR module from the list of supported formats. 170 % 171 % The format of the UnregisterMPRImage method is: 172 % 173 % UnregisterMPRImage(void) 174 % 175 */ 176 ModuleExport void UnregisterMPRImage(void) 177 { 178 (void) UnregisterMagickInfo("MPRI"); 179 (void) UnregisterMagickInfo("MPR"); 180 } 181 182 /* 184 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 185 % % 186 % % 187 % % 188 % W r i t e M P R I m a g e % 189 % % 190 % % 191 % % 192 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 193 % 194 % WriteMPRImage() writes an image into the Magick Persistent Registry 195 % image as a blob from memory. It allocates the memory necessary for the 196 % new Image structure and returns a pointer to the new image. 197 % 198 % The format of the WriteMPRImage method is: 199 % 200 % MagickBooleanType WriteMPRImage(const ImageInfo *image_info, 201 % Image *image,ExceptionInfo *exception) 202 % 203 % A description of each parameter follows. 204 % 205 % o image_info: the image info. 206 % 207 % o image: The image. 208 % 209 % o exception: return any errors or warnings in this structure. 210 % 211 */ 212 static MagickBooleanType WriteMPRImage(const ImageInfo *image_info,Image *image, 213 ExceptionInfo *exception) 214 { 215 MagickBooleanType 216 status; 217 218 assert(image_info != (const ImageInfo *) NULL); 219 assert(image_info->signature == MagickCoreSignature); 220 assert(image != (Image *) NULL); 221 assert(image->signature == MagickCoreSignature); 222 magick_unreferenced(image_info); 223 if (image->debug != MagickFalse) 224 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 225 status=SetImageRegistry(ImageRegistryType,image->filename,image,exception); 226 return(status); 227 } 228
