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| 1 /***************************************************************************/ | |
| 2 /* */ | |
| 3 /* ftrfork.h */ | |
| 4 /* */ | |
| 5 /* Embedded resource forks accessor (specification). */ | |
| 6 /* */ | |
| 7 /* Copyright 2004, 2006, 2007, 2012, 2013 by */ | |
| 8 /* Masatake YAMATO and Redhat K.K. */ | |
| 9 /* */ | |
| 10 /* This file is part of the FreeType project, and may only be used, */ | |
| 11 /* modified, and distributed under the terms of the FreeType project */ | |
| 12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ | |
| 13 /* this file you indicate that you have read the license and */ | |
| 14 /* understand and accept it fully. */ | |
| 15 /* */ | |
| 16 /***************************************************************************/ | |
| 17 | |
| 18 /***************************************************************************/ | |
| 19 /* Development of the code in this file is support of */ | |
| 20 /* Information-technology Promotion Agency, Japan. */ | |
| 21 /***************************************************************************/ | |
| 22 | |
| 23 | |
| 24 #ifndef __FTRFORK_H__ | |
| 25 #define __FTRFORK_H__ | |
| 26 | |
| 27 | |
| 28 #include <ft2build.h> | |
| 29 #include FT_INTERNAL_OBJECTS_H | |
| 30 | |
| 31 | |
| 32 FT_BEGIN_HEADER | |
| 33 | |
| 34 | |
| 35 /* Number of guessing rules supported in `FT_Raccess_Guess'. */ | |
| 36 /* Don't forget to increment the number if you add a new guessing rule. */ | |
| 37 #define FT_RACCESS_N_RULES 9 | |
| 38 | |
| 39 | |
| 40 /* A structure to describe a reference in a resource by its resource ID */ | |
| 41 /* and internal offset. The `POST' resource expects to be concatenated */ | |
| 42 /* by the order of resource IDs instead of its appearance in the file. */ | |
| 43 | |
| 44 typedef struct FT_RFork_Ref_ | |
| 45 { | |
| 46 FT_UShort res_id; | |
| 47 FT_ULong offset; | |
| 48 | |
| 49 } FT_RFork_Ref; | |
| 50 | |
| 51 #ifdef FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK | |
| 52 typedef FT_Error | |
| 53 (*ft_raccess_guess_func)( FT_Library library, | |
| 54 FT_Stream stream, | |
| 55 char *base_file_name, | |
| 56 char **result_file_name, | |
| 57 FT_Long *result_offset ); | |
| 58 | |
| 59 typedef enum FT_RFork_Rule_ { | |
| 60 FT_RFork_Rule_invalid = -2, | |
| 61 FT_RFork_Rule_uknown, /* -1 */ | |
| 62 FT_RFork_Rule_apple_double, | |
| 63 FT_RFork_Rule_apple_single, | |
| 64 FT_RFork_Rule_darwin_ufs_export, | |
| 65 FT_RFork_Rule_darwin_newvfs, | |
| 66 FT_RFork_Rule_darwin_hfsplus, | |
| 67 FT_RFork_Rule_vfat, | |
| 68 FT_RFork_Rule_linux_cap, | |
| 69 FT_RFork_Rule_linux_double, | |
| 70 FT_RFork_Rule_linux_netatalk | |
| 71 } FT_RFork_Rule; | |
| 72 | |
| 73 /* For fast translation between rule index and rule type, | |
| 74 * the macros FT_RFORK_xxx should be kept consistent with | |
| 75 * the raccess_guess_funcs table | |
| 76 */ | |
| 77 typedef struct ft_raccess_guess_rec_ { | |
| 78 ft_raccess_guess_func func; | |
| 79 FT_RFork_Rule type; | |
| 80 } ft_raccess_guess_rec; | |
| 81 | |
| 82 #ifndef FT_CONFIG_OPTION_PIC | |
| 83 | |
| 84 /* this array is a storage in non-PIC mode, so ; is needed in END */ | |
| 85 #define CONST_FT_RFORK_RULE_ARRAY_BEGIN( name, type ) \ | |
| 86 const type name[] = { | |
| 87 #define CONST_FT_RFORK_RULE_ARRAY_ENTRY( func_suffix, type_suffix ) \ | |
| 88 { raccess_guess_ ## func_suffix, \ | |
| 89 FT_RFork_Rule_ ## type_suffix }, | |
| 90 #define CONST_FT_RFORK_RULE_ARRAY_END }; | |
| 91 | |
| 92 #else /* FT_CONFIG_OPTION_PIC */ | |
| 93 | |
| 94 /* this array is a function in PIC mode, so no ; is needed in END */ | |
| 95 #define CONST_FT_RFORK_RULE_ARRAY_BEGIN( name, type ) \ | |
| 96 void \ | |
| 97 FT_Init_Table_ ## name( type* storage ) \ | |
| 98 { \ | |
| 99 type* local = storage; \ | |
| 100 \ | |
| 101 \ | |
| 102 int i = 0; | |
| 103 #define CONST_FT_RFORK_RULE_ARRAY_ENTRY( func_suffix, type_suffix ) \ | |
| 104 local[i].func = raccess_guess_ ## func_suffix; \ | |
| 105 local[i].type = FT_RFork_Rule_ ## type_suffix; \ | |
| 106 i++; | |
| 107 #define CONST_FT_RFORK_RULE_ARRAY_END } | |
| 108 | |
| 109 #endif /* FT_CONFIG_OPTION_PIC */ | |
| 110 | |
| 111 #endif /* FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK */ | |
| 112 | |
| 113 | |
| 114 /*************************************************************************/ | |
| 115 /* */ | |
| 116 /* <Function> */ | |
| 117 /* FT_Raccess_Guess */ | |
| 118 /* */ | |
| 119 /* <Description> */ | |
| 120 /* Guess a file name and offset where the actual resource fork is */ | |
| 121 /* stored. The macro FT_RACCESS_N_RULES holds the number of */ | |
| 122 /* guessing rules; the guessed result for the Nth rule is */ | |
| 123 /* represented as a triplet: a new file name (new_names[N]), a file */ | |
| 124 /* offset (offsets[N]), and an error code (errors[N]). */ | |
| 125 /* */ | |
| 126 /* <Input> */ | |
| 127 /* library :: */ | |
| 128 /* A FreeType library instance. */ | |
| 129 /* */ | |
| 130 /* stream :: */ | |
| 131 /* A file stream containing the resource fork. */ | |
| 132 /* */ | |
| 133 /* base_name :: */ | |
| 134 /* The (base) file name of the resource fork used for some */ | |
| 135 /* guessing rules. */ | |
| 136 /* */ | |
| 137 /* <Output> */ | |
| 138 /* new_names :: */ | |
| 139 /* An array of guessed file names in which the resource forks may */ | |
| 140 /* exist. If `new_names[N]' is NULL, the guessed file name is */ | |
| 141 /* equal to `base_name'. */ | |
| 142 /* */ | |
| 143 /* offsets :: */ | |
| 144 /* An array of guessed file offsets. `offsets[N]' holds the file */ | |
| 145 /* offset of the possible start of the resource fork in file */ | |
| 146 /* `new_names[N]'. */ | |
| 147 /* */ | |
| 148 /* errors :: */ | |
| 149 /* An array of FreeType error codes. `errors[N]' is the error */ | |
| 150 /* code of Nth guessing rule function. If `errors[N]' is not */ | |
| 151 /* FT_Err_Ok, `new_names[N]' and `offsets[N]' are meaningless. */ | |
| 152 /* */ | |
| 153 FT_BASE( void ) | |
| 154 FT_Raccess_Guess( FT_Library library, | |
| 155 FT_Stream stream, | |
| 156 char* base_name, | |
| 157 char** new_names, | |
| 158 FT_Long* offsets, | |
| 159 FT_Error* errors ); | |
| 160 | |
| 161 | |
| 162 /*************************************************************************/ | |
| 163 /* */ | |
| 164 /* <Function> */ | |
| 165 /* FT_Raccess_Get_HeaderInfo */ | |
| 166 /* */ | |
| 167 /* <Description> */ | |
| 168 /* Get the information from the header of resource fork. The */ | |
| 169 /* information includes the file offset where the resource map */ | |
| 170 /* starts, and the file offset where the resource data starts. */ | |
| 171 /* `FT_Raccess_Get_DataOffsets' requires these two data. */ | |
| 172 /* */ | |
| 173 /* <Input> */ | |
| 174 /* library :: */ | |
| 175 /* A FreeType library instance. */ | |
| 176 /* */ | |
| 177 /* stream :: */ | |
| 178 /* A file stream containing the resource fork. */ | |
| 179 /* */ | |
| 180 /* rfork_offset :: */ | |
| 181 /* The file offset where the resource fork starts. */ | |
| 182 /* */ | |
| 183 /* <Output> */ | |
| 184 /* map_offset :: */ | |
| 185 /* The file offset where the resource map starts. */ | |
| 186 /* */ | |
| 187 /* rdata_pos :: */ | |
| 188 /* The file offset where the resource data starts. */ | |
| 189 /* */ | |
| 190 /* <Return> */ | |
| 191 /* FreeType error code. FT_Err_Ok means success. */ | |
| 192 /* */ | |
| 193 FT_BASE( FT_Error ) | |
| 194 FT_Raccess_Get_HeaderInfo( FT_Library library, | |
| 195 FT_Stream stream, | |
| 196 FT_Long rfork_offset, | |
| 197 FT_Long *map_offset, | |
| 198 FT_Long *rdata_pos ); | |
| 199 | |
| 200 | |
| 201 /*************************************************************************/ | |
| 202 /* */ | |
| 203 /* <Function> */ | |
| 204 /* FT_Raccess_Get_DataOffsets */ | |
| 205 /* */ | |
| 206 /* <Description> */ | |
| 207 /* Get the data offsets for a tag in a resource fork. Offsets are */ | |
| 208 /* stored in an array because, in some cases, resources in a resource */ | |
| 209 /* fork have the same tag. */ | |
| 210 /* */ | |
| 211 /* <Input> */ | |
| 212 /* library :: */ | |
| 213 /* A FreeType library instance. */ | |
| 214 /* */ | |
| 215 /* stream :: */ | |
| 216 /* A file stream containing the resource fork. */ | |
| 217 /* */ | |
| 218 /* map_offset :: */ | |
| 219 /* The file offset where the resource map starts. */ | |
| 220 /* */ | |
| 221 /* rdata_pos :: */ | |
| 222 /* The file offset where the resource data starts. */ | |
| 223 /* */ | |
| 224 /* tag :: */ | |
| 225 /* The resource tag. */ | |
| 226 /* */ | |
| 227 /* sort_by_res_id :: */ | |
| 228 /* A Boolean to sort the fragmented resource by their ids. */ | |
| 229 /* The fragmented resources for `POST' resource should be sorted */ | |
| 230 /* to restore Type1 font properly. For `snft' resources, sorting */ | |
| 231 /* may induce a different order of the faces in comparison to that */ | |
| 232 /* by QuickDraw API. */ | |
| 233 /* */ | |
| 234 /* <Output> */ | |
| 235 /* offsets :: */ | |
| 236 /* The stream offsets for the resource data specified by `tag'. */ | |
| 237 /* This array is allocated by the function, so you have to call */ | |
| 238 /* @ft_mem_free after use. */ | |
| 239 /* */ | |
| 240 /* count :: */ | |
| 241 /* The length of offsets array. */ | |
| 242 /* */ | |
| 243 /* <Return> */ | |
| 244 /* FreeType error code. FT_Err_Ok means success. */ | |
| 245 /* */ | |
| 246 /* <Note> */ | |
| 247 /* Normally you should use `FT_Raccess_Get_HeaderInfo' to get the */ | |
| 248 /* value for `map_offset' and `rdata_pos'. */ | |
| 249 /* */ | |
| 250 FT_BASE( FT_Error ) | |
| 251 FT_Raccess_Get_DataOffsets( FT_Library library, | |
| 252 FT_Stream stream, | |
| 253 FT_Long map_offset, | |
| 254 FT_Long rdata_pos, | |
| 255 FT_Long tag, | |
| 256 FT_Bool sort_by_res_id, | |
| 257 FT_Long **offsets, | |
| 258 FT_Long *count ); | |
| 259 | |
| 260 | |
| 261 FT_END_HEADER | |
| 262 | |
| 263 #endif /* __FTRFORK_H__ */ | |
| 264 | |
| 265 | |
| 266 /* END */ | |
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Chromium Code Reviews
Issue 1413673003:
Update bundled freetype to 2.6.1 (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master