1 /**************************************************************************** 2 * 3 * ftwinfnt.h 4 * 5 * FreeType API for accessing Windows fnt-specific data. 6 * 7 * Copyright (C) 2003-2020 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 #ifndef FTWINFNT_H_ 20 #define FTWINFNT_H_ 21 22 #include <freetype/freetype.h> 23 24 #ifdef FREETYPE_H 25 #error "freetype.h of FreeType 1 has been loaded!" 26 #error "Please fix the directory search order for header files" 27 #error "so that freetype.h of FreeType 2 is found first." 28 #endif 29 30 31 FT_BEGIN_HEADER 32 33 34 /************************************************************************** 35 * 36 * @section: 37 * winfnt_fonts 38 * 39 * @title: 40 * Window FNT Files 41 * 42 * @abstract: 43 * Windows FNT-specific API. 44 * 45 * @description: 46 * This section contains the declaration of Windows FNT-specific 47 * functions. 48 * 49 */ 50 51 52 /************************************************************************** 53 * 54 * @enum: 55 * FT_WinFNT_ID_XXX 56 * 57 * @description: 58 * A list of valid values for the `charset` byte in @FT_WinFNT_HeaderRec. 59 * Exact mapping tables for the various 'cpXXXX' encodings (except for 60 * 'cp1361') can be found at 'ftp://ftp.unicode.org/Public/' in the 61 * `MAPPINGS/VENDORS/MICSFT/WINDOWS` subdirectory. 'cp1361' is roughly a 62 * superset of `MAPPINGS/OBSOLETE/EASTASIA/KSC/JOHAB.TXT`. 63 * 64 * @values: 65 * FT_WinFNT_ID_DEFAULT :: 66 * This is used for font enumeration and font creation as a 'don't 67 * care' value. Valid font files don't contain this value. When 68 * querying for information about the character set of the font that is 69 * currently selected into a specified device context, this return 70 * value (of the related Windows API) simply denotes failure. 71 * 72 * FT_WinFNT_ID_SYMBOL :: 73 * There is no known mapping table available. 74 * 75 * FT_WinFNT_ID_MAC :: 76 * Mac Roman encoding. 77 * 78 * FT_WinFNT_ID_OEM :: 79 * From Michael Poettgen <michael (at) poettgen.de>: 80 * 81 * The 'Windows Font Mapping' article says that `FT_WinFNT_ID_OEM` is 82 * used for the charset of vector fonts, like `modern.fon`, 83 * `roman.fon`, and `script.fon` on Windows. 84 * 85 * The 'CreateFont' documentation says: The `FT_WinFNT_ID_OEM` value 86 * specifies a character set that is operating-system dependent. 87 * 88 * The 'IFIMETRICS' documentation from the 'Windows Driver Development 89 * Kit' says: This font supports an OEM-specific character set. The 90 * OEM character set is system dependent. 91 * 92 * In general OEM, as opposed to ANSI (i.e., 'cp1252'), denotes the 93 * second default codepage that most international versions of Windows 94 * have. It is one of the OEM codepages from 95 * 96 * https://docs.microsoft.com/en-us/windows/desktop/intl/code-page-identifiers 97 * , 98 * 99 * and is used for the 'DOS boxes', to support legacy applications. A 100 * German Windows version for example usually uses ANSI codepage 1252 101 * and OEM codepage 850. 102 * 103 * FT_WinFNT_ID_CP874 :: 104 * A superset of Thai TIS 620 and ISO 8859-11. 105 * 106 * FT_WinFNT_ID_CP932 :: 107 * A superset of Japanese Shift-JIS (with minor deviations). 108 * 109 * FT_WinFNT_ID_CP936 :: 110 * A superset of simplified Chinese GB 2312-1980 (with different 111 * ordering and minor deviations). 112 * 113 * FT_WinFNT_ID_CP949 :: 114 * A superset of Korean Hangul KS~C 5601-1987 (with different ordering 115 * and minor deviations). 116 * 117 * FT_WinFNT_ID_CP950 :: 118 * A superset of traditional Chinese Big~5 ETen (with different 119 * ordering and minor deviations). 120 * 121 * FT_WinFNT_ID_CP1250 :: 122 * A superset of East European ISO 8859-2 (with slightly different 123 * ordering). 124 * 125 * FT_WinFNT_ID_CP1251 :: 126 * A superset of Russian ISO 8859-5 (with different ordering). 127 * 128 * FT_WinFNT_ID_CP1252 :: 129 * ANSI encoding. A superset of ISO 8859-1. 130 * 131 * FT_WinFNT_ID_CP1253 :: 132 * A superset of Greek ISO 8859-7 (with minor modifications). 133 * 134 * FT_WinFNT_ID_CP1254 :: 135 * A superset of Turkish ISO 8859-9. 136 * 137 * FT_WinFNT_ID_CP1255 :: 138 * A superset of Hebrew ISO 8859-8 (with some modifications). 139 * 140 * FT_WinFNT_ID_CP1256 :: 141 * A superset of Arabic ISO 8859-6 (with different ordering). 142 * 143 * FT_WinFNT_ID_CP1257 :: 144 * A superset of Baltic ISO 8859-13 (with some deviations). 145 * 146 * FT_WinFNT_ID_CP1258 :: 147 * For Vietnamese. This encoding doesn't cover all necessary 148 * characters. 149 * 150 * FT_WinFNT_ID_CP1361 :: 151 * Korean (Johab). 152 */ 153 154 #define FT_WinFNT_ID_CP1252 0 155 #define FT_WinFNT_ID_DEFAULT 1 156 #define FT_WinFNT_ID_SYMBOL 2 157 #define FT_WinFNT_ID_MAC 77 158 #define FT_WinFNT_ID_CP932 128 159 #define FT_WinFNT_ID_CP949 129 160 #define FT_WinFNT_ID_CP1361 130 161 #define FT_WinFNT_ID_CP936 134 162 #define FT_WinFNT_ID_CP950 136 163 #define FT_WinFNT_ID_CP1253 161 164 #define FT_WinFNT_ID_CP1254 162 165 #define FT_WinFNT_ID_CP1258 163 166 #define FT_WinFNT_ID_CP1255 177 167 #define FT_WinFNT_ID_CP1256 178 168 #define FT_WinFNT_ID_CP1257 186 169 #define FT_WinFNT_ID_CP1251 204 170 #define FT_WinFNT_ID_CP874 222 171 #define FT_WinFNT_ID_CP1250 238 172 #define FT_WinFNT_ID_OEM 255 173 174 175 /************************************************************************** 176 * 177 * @struct: 178 * FT_WinFNT_HeaderRec 179 * 180 * @description: 181 * Windows FNT Header info. 182 */ 183 typedef struct FT_WinFNT_HeaderRec_ 184 { 185 FT_UShort version; 186 FT_ULong file_size; 187 FT_Byte copyright[60]; 188 FT_UShort file_type; 189 FT_UShort nominal_point_size; 190 FT_UShort vertical_resolution; 191 FT_UShort horizontal_resolution; 192 FT_UShort ascent; 193 FT_UShort internal_leading; 194 FT_UShort external_leading; 195 FT_Byte italic; 196 FT_Byte underline; 197 FT_Byte strike_out; 198 FT_UShort weight; 199 FT_Byte charset; 200 FT_UShort pixel_width; 201 FT_UShort pixel_height; 202 FT_Byte pitch_and_family; 203 FT_UShort avg_width; 204 FT_UShort max_width; 205 FT_Byte first_char; 206 FT_Byte last_char; 207 FT_Byte default_char; 208 FT_Byte break_char; 209 FT_UShort bytes_per_row; 210 FT_ULong device_offset; 211 FT_ULong face_name_offset; 212 FT_ULong bits_pointer; 213 FT_ULong bits_offset; 214 FT_Byte reserved; 215 FT_ULong flags; 216 FT_UShort A_space; 217 FT_UShort B_space; 218 FT_UShort C_space; 219 FT_UShort color_table_offset; 220 FT_ULong reserved1[4]; 221 222 } FT_WinFNT_HeaderRec; 223 224 225 /************************************************************************** 226 * 227 * @struct: 228 * FT_WinFNT_Header 229 * 230 * @description: 231 * A handle to an @FT_WinFNT_HeaderRec structure. 232 */ 233 typedef struct FT_WinFNT_HeaderRec_* FT_WinFNT_Header; 234 235 236 /************************************************************************** 237 * 238 * @function: 239 * FT_Get_WinFNT_Header 240 * 241 * @description: 242 * Retrieve a Windows FNT font info header. 243 * 244 * @input: 245 * face :: 246 * A handle to the input face. 247 * 248 * @output: 249 * aheader :: 250 * The WinFNT header. 251 * 252 * @return: 253 * FreeType error code. 0~means success. 254 * 255 * @note: 256 * This function only works with Windows FNT faces, returning an error 257 * otherwise. 258 */ 259 FT_EXPORT( FT_Error ) 260 FT_Get_WinFNT_Header( FT_Face face, 261 FT_WinFNT_HeaderRec *aheader ); 262 263 /* */ 264 265 266 FT_END_HEADER 267 268 #endif /* FTWINFNT_H_ */ 269 270 271 /* END */ 272 273 274 /* Local Variables: */ 275 /* coding: utf-8 */ 276 /* End: */ 277
Indexes created Fri Jul 03 00:25:33 UTC 2026