1 /**************************************************************************** 2 * 3 * ftwinfnt.h 4 * 5 * FreeType API for accessing Windows fnt-specific data. 6 * 7 * Copyright (C) 2003-2019 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 <ft2build.h> 23 #include FT_FREETYPE_H 24 25 #ifdef FREETYPE_H 26 #error "freetype.h of FreeType 1 has been loaded!" 27 #error "Please fix the directory search order for header files" 28 #error "so that freetype.h of FreeType 2 is found first." 29 #endif 30 31 32 FT_BEGIN_HEADER 33 34 35 /************************************************************************** 36 * 37 * @section: 38 * winfnt_fonts 39 * 40 * @title: 41 * Window FNT Files 42 * 43 * @abstract: 44 * Windows FNT-specific API. 45 * 46 * @description: 47 * This section contains the declaration of Windows FNT-specific 48 * functions. 49 * 50 */ 51 52 53 /************************************************************************** 54 * 55 * @enum: 56 * FT_WinFNT_ID_XXX 57 * 58 * @description: 59 * A list of valid values for the `charset` byte in @FT_WinFNT_HeaderRec. 60 * Exact mapping tables for the various 'cpXXXX' encodings (except for 61 * 'cp1361') can be found at 'ftp://ftp.unicode.org/Public/' in the 62 * `MAPPINGS/VENDORS/MICSFT/WINDOWS` subdirectory. 'cp1361' is roughly a 63 * superset of `MAPPINGS/OBSOLETE/EASTASIA/KSC/JOHAB.TXT`. 64 * 65 * @values: 66 * FT_WinFNT_ID_DEFAULT :: 67 * This is used for font enumeration and font creation as a 'don't 68 * care' value. Valid font files don't contain this value. When 69 * querying for information about the character set of the font that is 70 * currently selected into a specified device context, this return 71 * value (of the related Windows API) simply denotes failure. 72 * 73 * FT_WinFNT_ID_SYMBOL :: 74 * There is no known mapping table available. 75 * 76 * FT_WinFNT_ID_MAC :: 77 * Mac Roman encoding. 78 * 79 * FT_WinFNT_ID_OEM :: 80 * From Michael Poettgen <michael@poettgen.de>: 81 * 82 * The 'Windows Font Mapping' article says that `FT_WinFNT_ID_OEM` is 83 * used for the charset of vector fonts, like `modern.fon`, 84 * `roman.fon`, and `script.fon` on Windows. 85 * 86 * The 'CreateFont' documentation says: The `FT_WinFNT_ID_OEM` value 87 * specifies a character set that is operating-system dependent. 88 * 89 * The 'IFIMETRICS' documentation from the 'Windows Driver Development 90 * Kit' says: This font supports an OEM-specific character set. The 91 * OEM character set is system dependent. 92 * 93 * In general OEM, as opposed to ANSI (i.e., 'cp1252'), denotes the 94 * second default codepage that most international versions of Windows 95 * have. It is one of the OEM codepages from 96 * 97 * https://docs.microsoft.com/en-us/windows/desktop/intl/code-page-identifiers 98 * , 99 * 100 * and is used for the 'DOS boxes', to support legacy applications. A 101 * German Windows version for example usually uses ANSI codepage 1252 102 * and OEM codepage 850. 103 * 104 * FT_WinFNT_ID_CP874 :: 105 * A superset of Thai TIS 620 and ISO 8859-11. 106 * 107 * FT_WinFNT_ID_CP932 :: 108 * A superset of Japanese Shift-JIS (with minor deviations). 109 * 110 * FT_WinFNT_ID_CP936 :: 111 * A superset of simplified Chinese GB 2312-1980 (with different 112 * ordering and minor deviations). 113 * 114 * FT_WinFNT_ID_CP949 :: 115 * A superset of Korean Hangul KS~C 5601-1987 (with different ordering 116 * and minor deviations). 117 * 118 * FT_WinFNT_ID_CP950 :: 119 * A superset of traditional Chinese Big~5 ETen (with different 120 * ordering and minor deviations). 121 * 122 * FT_WinFNT_ID_CP1250 :: 123 * A superset of East European ISO 8859-2 (with slightly different 124 * ordering). 125 * 126 * FT_WinFNT_ID_CP1251 :: 127 * A superset of Russian ISO 8859-5 (with different ordering). 128 * 129 * FT_WinFNT_ID_CP1252 :: 130 * ANSI encoding. A superset of ISO 8859-1. 131 * 132 * FT_WinFNT_ID_CP1253 :: 133 * A superset of Greek ISO 8859-7 (with minor modifications). 134 * 135 * FT_WinFNT_ID_CP1254 :: 136 * A superset of Turkish ISO 8859-9. 137 * 138 * FT_WinFNT_ID_CP1255 :: 139 * A superset of Hebrew ISO 8859-8 (with some modifications). 140 * 141 * FT_WinFNT_ID_CP1256 :: 142 * A superset of Arabic ISO 8859-6 (with different ordering). 143 * 144 * FT_WinFNT_ID_CP1257 :: 145 * A superset of Baltic ISO 8859-13 (with some deviations). 146 * 147 * FT_WinFNT_ID_CP1258 :: 148 * For Vietnamese. This encoding doesn't cover all necessary 149 * characters. 150 * 151 * FT_WinFNT_ID_CP1361 :: 152 * Korean (Johab). 153 */ 154 155 #define FT_WinFNT_ID_CP1252 0 156 #define FT_WinFNT_ID_DEFAULT 1 157 #define FT_WinFNT_ID_SYMBOL 2 158 #define FT_WinFNT_ID_MAC 77 159 #define FT_WinFNT_ID_CP932 128 160 #define FT_WinFNT_ID_CP949 129 161 #define FT_WinFNT_ID_CP1361 130 162 #define FT_WinFNT_ID_CP936 134 163 #define FT_WinFNT_ID_CP950 136 164 #define FT_WinFNT_ID_CP1253 161 165 #define FT_WinFNT_ID_CP1254 162 166 #define FT_WinFNT_ID_CP1258 163 167 #define FT_WinFNT_ID_CP1255 177 168 #define FT_WinFNT_ID_CP1256 178 169 #define FT_WinFNT_ID_CP1257 186 170 #define FT_WinFNT_ID_CP1251 204 171 #define FT_WinFNT_ID_CP874 222 172 #define FT_WinFNT_ID_CP1250 238 173 #define FT_WinFNT_ID_OEM 255 174 175 176 /************************************************************************** 177 * 178 * @struct: 179 * FT_WinFNT_HeaderRec 180 * 181 * @description: 182 * Windows FNT Header info. 183 */ 184 typedef struct FT_WinFNT_HeaderRec_ 185 { 186 FT_UShort version; 187 FT_ULong file_size; 188 FT_Byte copyright[60]; 189 FT_UShort file_type; 190 FT_UShort nominal_point_size; 191 FT_UShort vertical_resolution; 192 FT_UShort horizontal_resolution; 193 FT_UShort ascent; 194 FT_UShort internal_leading; 195 FT_UShort external_leading; 196 FT_Byte italic; 197 FT_Byte underline; 198 FT_Byte strike_out; 199 FT_UShort weight; 200 FT_Byte charset; 201 FT_UShort pixel_width; 202 FT_UShort pixel_height; 203 FT_Byte pitch_and_family; 204 FT_UShort avg_width; 205 FT_UShort max_width; 206 FT_Byte first_char; 207 FT_Byte last_char; 208 FT_Byte default_char; 209 FT_Byte break_char; 210 FT_UShort bytes_per_row; 211 FT_ULong device_offset; 212 FT_ULong face_name_offset; 213 FT_ULong bits_pointer; 214 FT_ULong bits_offset; 215 FT_Byte reserved; 216 FT_ULong flags; 217 FT_UShort A_space; 218 FT_UShort B_space; 219 FT_UShort C_space; 220 FT_UShort color_table_offset; 221 FT_ULong reserved1[4]; 222 223 } FT_WinFNT_HeaderRec; 224 225 226 /************************************************************************** 227 * 228 * @struct: 229 * FT_WinFNT_Header 230 * 231 * @description: 232 * A handle to an @FT_WinFNT_HeaderRec structure. 233 */ 234 typedef struct FT_WinFNT_HeaderRec_* FT_WinFNT_Header; 235 236 237 /************************************************************************** 238 * 239 * @function: 240 * FT_Get_WinFNT_Header 241 * 242 * @description: 243 * Retrieve a Windows FNT font info header. 244 * 245 * @input: 246 * face :: 247 * A handle to the input face. 248 * 249 * @output: 250 * aheader :: 251 * The WinFNT header. 252 * 253 * @return: 254 * FreeType error code. 0~means success. 255 * 256 * @note: 257 * This function only works with Windows FNT faces, returning an error 258 * otherwise. 259 */ 260 FT_EXPORT( FT_Error ) 261 FT_Get_WinFNT_Header( FT_Face face, 262 FT_WinFNT_HeaderRec *aheader ); 263 264 /* */ 265 266 267 FT_END_HEADER 268 269 #endif /* FTWINFNT_H_ */ 270 271 272 /* END */ 273 274 275 /* Local Variables: */ 276 /* coding: utf-8 */ 277 /* End: */ 278