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comparison: modules/freetype2/include/ftmoderr.h
modules/freetype2/include/ftmoderr.h
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| 1 /***************************************************************************/ | |
| 2 /* */ | |
| 3 /* ftmoderr.h */ | |
| 4 /* */ | |
| 5 /* FreeType module error offsets (specification). */ | |
| 6 /* */ | |
| 7 /* Copyright 2001-2005, 2010, 2013 by */ | |
| 8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ | |
| 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 /*************************************************************************/ | |
| 20 /* */ | |
| 21 /* This file is used to define the FreeType module error codes. */ | |
| 22 /* */ | |
| 23 /* If the macro FT_CONFIG_OPTION_USE_MODULE_ERRORS in `ftoption.h' is */ | |
| 24 /* set, the lower byte of an error value identifies the error code as */ | |
| 25 /* usual. In addition, the higher byte identifies the module. For */ | |
| 26 /* example, the error `FT_Err_Invalid_File_Format' has value 0x0003, the */ | |
| 27 /* error `TT_Err_Invalid_File_Format' has value 0x1303, the error */ | |
| 28 /* `T1_Err_Invalid_File_Format' has value 0x1403, etc. */ | |
| 29 /* */ | |
| 30 /* Note that `FT_Err_Ok', `TT_Err_Ok', etc. are always equal to zero, */ | |
| 31 /* including the high byte. */ | |
| 32 /* */ | |
| 33 /* If FT_CONFIG_OPTION_USE_MODULE_ERRORS isn't set, the higher byte of */ | |
| 34 /* an error value is set to zero. */ | |
| 35 /* */ | |
| 36 /* To hide the various `XXX_Err_' prefixes in the source code, FreeType */ | |
| 37 /* provides some macros in `fttypes.h'. */ | |
| 38 /* */ | |
| 39 /* FT_ERR( err ) */ | |
| 40 /* Add current error module prefix (as defined with the */ | |
| 41 /* `FT_ERR_PREFIX' macro) to `err'. For example, in the BDF module */ | |
| 42 /* the line */ | |
| 43 /* */ | |
| 44 /* error = FT_ERR( Invalid_Outline ); */ | |
| 45 /* */ | |
| 46 /* expands to */ | |
| 47 /* */ | |
| 48 /* error = BDF_Err_Invalid_Outline; */ | |
| 49 /* */ | |
| 50 /* For simplicity, you can always use `FT_Err_Ok' directly instead */ | |
| 51 /* of `FT_ERR( Ok )'. */ | |
| 52 /* */ | |
| 53 /* FT_ERR_EQ( errcode, err ) */ | |
| 54 /* FT_ERR_NEQ( errcode, err ) */ | |
| 55 /* Compare error code `errcode' with the error `err' for equality */ | |
| 56 /* and inequality, respectively. Example: */ | |
| 57 /* */ | |
| 58 /* if ( FT_ERR_EQ( error, Invalid_Outline ) ) */ | |
| 59 /* ... */ | |
| 60 /* */ | |
| 61 /* Using this macro you don't have to think about error prefixes. */ | |
| 62 /* Of course, if module errors are not active, the above example is */ | |
| 63 /* the same as */ | |
| 64 /* */ | |
| 65 /* if ( error == FT_Err_Invalid_Outline ) */ | |
| 66 /* ... */ | |
| 67 /* */ | |
| 68 /* FT_ERROR_BASE( errcode ) */ | |
| 69 /* FT_ERROR_MODULE( errcode ) */ | |
| 70 /* Get base error and module error code, respectively. */ | |
| 71 /* */ | |
| 72 /* */ | |
| 73 /* It can also be used to create a module error message table easily */ | |
| 74 /* with something like */ | |
| 75 /* */ | |
| 76 /* { */ | |
| 77 /* #undef __FTMODERR_H__ */ | |
| 78 /* #define FT_MODERRDEF( e, v, s ) { FT_Mod_Err_ ## e, s }, */ | |
| 79 /* #define FT_MODERR_START_LIST { */ | |
| 80 /* #define FT_MODERR_END_LIST { 0, 0 } }; */ | |
| 81 /* */ | |
| 82 /* const struct */ | |
| 83 /* { */ | |
| 84 /* int mod_err_offset; */ | |
| 85 /* const char* mod_err_msg */ | |
| 86 /* } ft_mod_errors[] = */ | |
| 87 /* */ | |
| 88 /* #include FT_MODULE_ERRORS_H */ | |
| 89 /* } */ | |
| 90 /* */ | |
| 91 /*************************************************************************/ | |
| 92 | |
| 93 | |
| 94 #ifndef __FTMODERR_H__ | |
| 95 #define __FTMODERR_H__ | |
| 96 | |
| 97 | |
| 98 /*******************************************************************/ | |
| 99 /*******************************************************************/ | |
| 100 /***** *****/ | |
| 101 /***** SETUP MACROS *****/ | |
| 102 /***** *****/ | |
| 103 /*******************************************************************/ | |
| 104 /*******************************************************************/ | |
| 105 | |
| 106 | |
| 107 #undef FT_NEED_EXTERN_C | |
| 108 | |
| 109 #ifndef FT_MODERRDEF | |
| 110 | |
| 111 #ifdef FT_CONFIG_OPTION_USE_MODULE_ERRORS | |
| 112 #define FT_MODERRDEF( e, v, s ) FT_Mod_Err_ ## e = v, | |
| 113 #else | |
| 114 #define FT_MODERRDEF( e, v, s ) FT_Mod_Err_ ## e = 0, | |
| 115 #endif | |
| 116 | |
| 117 #define FT_MODERR_START_LIST enum { | |
| 118 #define FT_MODERR_END_LIST FT_Mod_Err_Max }; | |
| 119 | |
| 120 #ifdef __cplusplus | |
| 121 #define FT_NEED_EXTERN_C | |
| 122 extern "C" { | |
| 123 #endif | |
| 124 | |
| 125 #endif /* !FT_MODERRDEF */ | |
| 126 | |
| 127 | |
| 128 /*******************************************************************/ | |
| 129 /*******************************************************************/ | |
| 130 /***** *****/ | |
| 131 /***** LIST MODULE ERROR BASES *****/ | |
| 132 /***** *****/ | |
| 133 /*******************************************************************/ | |
| 134 /*******************************************************************/ | |
| 135 | |
| 136 | |
| 137 #ifdef FT_MODERR_START_LIST | |
| 138 FT_MODERR_START_LIST | |
| 139 #endif | |
| 140 | |
| 141 | |
| 142 FT_MODERRDEF( Base, 0x000, "base module" ) | |
| 143 FT_MODERRDEF( Autofit, 0x100, "autofitter module" ) | |
| 144 FT_MODERRDEF( BDF, 0x200, "BDF module" ) | |
| 145 FT_MODERRDEF( Bzip2, 0x300, "Bzip2 module" ) | |
| 146 FT_MODERRDEF( Cache, 0x400, "cache module" ) | |
| 147 FT_MODERRDEF( CFF, 0x500, "CFF module" ) | |
| 148 FT_MODERRDEF( CID, 0x600, "CID module" ) | |
| 149 FT_MODERRDEF( Gzip, 0x700, "Gzip module" ) | |
| 150 FT_MODERRDEF( LZW, 0x800, "LZW module" ) | |
| 151 FT_MODERRDEF( OTvalid, 0x900, "OpenType validation module" ) | |
| 152 FT_MODERRDEF( PCF, 0xA00, "PCF module" ) | |
| 153 FT_MODERRDEF( PFR, 0xB00, "PFR module" ) | |
| 154 FT_MODERRDEF( PSaux, 0xC00, "PS auxiliary module" ) | |
| 155 FT_MODERRDEF( PShinter, 0xD00, "PS hinter module" ) | |
| 156 FT_MODERRDEF( PSnames, 0xE00, "PS names module" ) | |
| 157 FT_MODERRDEF( Raster, 0xF00, "raster module" ) | |
| 158 FT_MODERRDEF( SFNT, 0x1000, "SFNT module" ) | |
| 159 FT_MODERRDEF( Smooth, 0x1100, "smooth raster module" ) | |
| 160 FT_MODERRDEF( TrueType, 0x1200, "TrueType module" ) | |
| 161 FT_MODERRDEF( Type1, 0x1300, "Type 1 module" ) | |
| 162 FT_MODERRDEF( Type42, 0x1400, "Type 42 module" ) | |
| 163 FT_MODERRDEF( Winfonts, 0x1500, "Windows FON/FNT module" ) | |
| 164 FT_MODERRDEF( GXvalid, 0x1600, "GX validation module" ) | |
| 165 | |
| 166 | |
| 167 #ifdef FT_MODERR_END_LIST | |
| 168 FT_MODERR_END_LIST | |
| 169 #endif | |
| 170 | |
| 171 | |
| 172 /*******************************************************************/ | |
| 173 /*******************************************************************/ | |
| 174 /***** *****/ | |
| 175 /***** CLEANUP *****/ | |
| 176 /***** *****/ | |
| 177 /*******************************************************************/ | |
| 178 /*******************************************************************/ | |
| 179 | |
| 180 | |
| 181 #ifdef FT_NEED_EXTERN_C | |
| 182 } | |
| 183 #endif | |
| 184 | |
| 185 #undef FT_MODERR_START_LIST | |
| 186 #undef FT_MODERR_END_LIST | |
| 187 #undef FT_MODERRDEF | |
| 188 #undef FT_NEED_EXTERN_C | |
| 189 | |
| 190 | |
| 191 #endif /* __FTMODERR_H__ */ | |
| 192 | |
| 193 | |
| 194 /* END */ |
