Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 1 | /***************************************************************************/ |
| 2 | /* */ |
| 3 | /* t42objs.c */ |
| 4 | /* */ |
| 5 | /* Type 42 objects manager (body). */ |
| 6 | /* */ |
Werner Lemberg | f1c2b91 | 2006-01-13 14:53:28 +0000 | [diff] [blame] | 7 | /* Copyright 2002, 2003, 2004, 2005, 2006 by Roberto Alameda. */ |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 8 | /* */ |
| 9 | /* This file is part of the FreeType project, and may only be used, */ |
| 10 | /* modified, and distributed under the terms of the FreeType project */ |
| 11 | /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
| 12 | /* this file you indicate that you have read the license and */ |
| 13 | /* understand and accept it fully. */ |
| 14 | /* */ |
| 15 | /***************************************************************************/ |
| 16 | |
| 17 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 18 | #include "t42objs.h" |
| 19 | #include "t42parse.h" |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 20 | #include "t42error.h" |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 21 | #include FT_INTERNAL_DEBUG_H |
| 22 | #include FT_INTERNAL_STREAM_H |
| 23 | #include FT_LIST_H |
| 24 | |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 25 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 26 | #undef FT_COMPONENT |
| 27 | #define FT_COMPONENT trace_t42 |
| 28 | |
| 29 | |
| 30 | static FT_Error |
| 31 | T42_Open_Face( T42_Face face ) |
| 32 | { |
| 33 | T42_LoaderRec loader; |
| 34 | T42_Parser parser; |
| 35 | T1_Font type1 = &face->type1; |
| 36 | FT_Memory memory = face->root.memory; |
| 37 | FT_Error error; |
| 38 | |
| 39 | PSAux_Service psaux = (PSAux_Service)face->psaux; |
| 40 | |
| 41 | |
| 42 | t42_loader_init( &loader, face ); |
| 43 | |
| 44 | parser = &loader.parser; |
| 45 | |
| 46 | if ( FT_ALLOC( face->ttf_data, 12 ) ) |
| 47 | goto Exit; |
| 48 | |
| 49 | error = t42_parser_init( parser, |
| 50 | face->root.stream, |
| 51 | memory, |
| 52 | psaux); |
| 53 | if ( error ) |
| 54 | goto Exit; |
| 55 | |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 56 | error = t42_parse_dict( face, &loader, |
| 57 | parser->base_dict, parser->base_len ); |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 58 | |
| 59 | if ( type1->font_type != 42 ) |
| 60 | { |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 61 | error = T42_Err_Unknown_File_Format; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 62 | goto Exit; |
| 63 | } |
| 64 | |
| 65 | /* now, propagate the charstrings and glyphnames tables */ |
| 66 | /* to the Type1 data */ |
| 67 | type1->num_glyphs = loader.num_glyphs; |
| 68 | |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 69 | if ( !loader.charstrings.init ) |
| 70 | { |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 71 | FT_ERROR(( "T42_Open_Face: no charstrings array in face!\n" )); |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 72 | error = T42_Err_Invalid_File_Format; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 73 | } |
| 74 | |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 75 | loader.charstrings.init = 0; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 76 | type1->charstrings_block = loader.charstrings.block; |
| 77 | type1->charstrings = loader.charstrings.elements; |
| 78 | type1->charstrings_len = loader.charstrings.lengths; |
| 79 | |
| 80 | /* we copy the glyph names `block' and `elements' fields; */ |
| 81 | /* the `lengths' field must be released later */ |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 82 | type1->glyph_names_block = loader.glyph_names.block; |
| 83 | type1->glyph_names = (FT_String**)loader.glyph_names.elements; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 84 | loader.glyph_names.block = 0; |
| 85 | loader.glyph_names.elements = 0; |
| 86 | |
| 87 | /* we must now build type1.encoding when we have a custom array */ |
| 88 | if ( type1->encoding_type == T1_ENCODING_TYPE_ARRAY ) |
| 89 | { |
| 90 | FT_Int charcode, idx, min_char, max_char; |
| 91 | FT_Byte* char_name; |
| 92 | FT_Byte* glyph_name; |
| 93 | |
| 94 | |
| 95 | /* OK, we do the following: for each element in the encoding */ |
| 96 | /* table, look up the index of the glyph having the same name */ |
| 97 | /* as defined in the CharStrings array. */ |
| 98 | /* The index is then stored in type1.encoding.char_index, and */ |
| 99 | /* the name in type1.encoding.char_name */ |
| 100 | |
| 101 | min_char = +32000; |
| 102 | max_char = -32000; |
| 103 | |
| 104 | charcode = 0; |
| 105 | for ( ; charcode < loader.encoding_table.max_elems; charcode++ ) |
| 106 | { |
| 107 | type1->encoding.char_index[charcode] = 0; |
| 108 | type1->encoding.char_name [charcode] = (char *)".notdef"; |
| 109 | |
| 110 | char_name = loader.encoding_table.elements[charcode]; |
| 111 | if ( char_name ) |
| 112 | for ( idx = 0; idx < type1->num_glyphs; idx++ ) |
| 113 | { |
| 114 | glyph_name = (FT_Byte*)type1->glyph_names[idx]; |
| 115 | if ( ft_strcmp( (const char*)char_name, |
| 116 | (const char*)glyph_name ) == 0 ) |
| 117 | { |
| 118 | type1->encoding.char_index[charcode] = (FT_UShort)idx; |
| 119 | type1->encoding.char_name [charcode] = (char*)glyph_name; |
| 120 | |
| 121 | /* Change min/max encoded char only if glyph name is */ |
| 122 | /* not /.notdef */ |
| 123 | if ( ft_strcmp( (const char*)".notdef", |
| 124 | (const char*)glyph_name ) != 0 ) |
| 125 | { |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 126 | if ( charcode < min_char ) |
| 127 | min_char = charcode; |
| 128 | if ( charcode > max_char ) |
| 129 | max_char = charcode; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 130 | } |
| 131 | break; |
| 132 | } |
| 133 | } |
| 134 | } |
| 135 | type1->encoding.code_first = min_char; |
| 136 | type1->encoding.code_last = max_char; |
| 137 | type1->encoding.num_chars = loader.num_chars; |
| 138 | } |
| 139 | |
| 140 | Exit: |
| 141 | t42_loader_done( &loader ); |
| 142 | return error; |
| 143 | } |
| 144 | |
| 145 | |
| 146 | /***************** Driver Functions *************/ |
| 147 | |
| 148 | |
| 149 | FT_LOCAL_DEF( FT_Error ) |
| 150 | T42_Face_Init( FT_Stream stream, |
| 151 | T42_Face face, |
| 152 | FT_Int face_index, |
| 153 | FT_Int num_params, |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 154 | FT_Parameter* params ) |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 155 | { |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 156 | FT_Error error; |
David Turner | 7760595 | 2003-10-29 21:43:52 +0000 | [diff] [blame] | 157 | FT_Service_PsCMaps psnames; |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 158 | PSAux_Service psaux; |
| 159 | FT_Face root = (FT_Face)&face->root; |
| 160 | T1_Font type1 = &face->type1; |
| 161 | PS_FontInfo info = &type1->font_info; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 162 | |
| 163 | FT_UNUSED( num_params ); |
| 164 | FT_UNUSED( params ); |
| 165 | FT_UNUSED( face_index ); |
| 166 | FT_UNUSED( stream ); |
| 167 | |
| 168 | |
| 169 | face->ttf_face = NULL; |
| 170 | face->root.num_faces = 1; |
| 171 | |
David Turner | 7760595 | 2003-10-29 21:43:52 +0000 | [diff] [blame] | 172 | FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS ); |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 173 | face->psnames = psnames; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 174 | |
| 175 | face->psaux = FT_Get_Module_Interface( FT_FACE_LIBRARY( face ), |
| 176 | "psaux" ); |
| 177 | psaux = (PSAux_Service)face->psaux; |
| 178 | |
| 179 | /* open the tokenizer, this will also check the font format */ |
| 180 | error = T42_Open_Face( face ); |
| 181 | if ( error ) |
| 182 | goto Exit; |
| 183 | |
| 184 | /* if we just wanted to check the format, leave successfully now */ |
| 185 | if ( face_index < 0 ) |
| 186 | goto Exit; |
| 187 | |
| 188 | /* check the face index */ |
| 189 | if ( face_index != 0 ) |
| 190 | { |
| 191 | FT_ERROR(( "T42_Face_Init: invalid face index\n" )); |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 192 | error = T42_Err_Invalid_Argument; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 193 | goto Exit; |
| 194 | } |
| 195 | |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 196 | /* Now load the font program into the face object */ |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 197 | |
| 198 | /* Init the face object fields */ |
| 199 | /* Now set up root face fields */ |
| 200 | |
Werner Lemberg | 65ba724 | 2003-05-30 09:12:50 +0000 | [diff] [blame] | 201 | root->num_glyphs = type1->num_glyphs; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 202 | root->num_charmaps = 0; |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 203 | root->face_index = face_index; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 204 | |
Werner Lemberg | 7734a1f | 2005-10-05 15:18:29 +0000 | [diff] [blame] | 205 | root->face_flags = FT_FACE_FLAG_SCALABLE | |
| 206 | FT_FACE_FLAG_HORIZONTAL | |
| 207 | FT_FACE_FLAG_GLYPH_NAMES; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 208 | |
Werner Lemberg | 64f1ba9 | 2003-07-25 22:09:53 +0000 | [diff] [blame] | 209 | if ( info->is_fixed_pitch ) |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 210 | root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH; |
| 211 | |
Werner Lemberg | 7734a1f | 2005-10-05 15:18:29 +0000 | [diff] [blame] | 212 | #ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER |
| 213 | root->face_flags |= FT_FACE_FLAG_HINTER; |
| 214 | #endif |
| 215 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 216 | /* XXX: TODO -- add kerning with .afm support */ |
| 217 | |
| 218 | /* get style name -- be careful, some broken fonts only */ |
| 219 | /* have a `/FontName' dictionary entry! */ |
Werner Lemberg | 65ba724 | 2003-05-30 09:12:50 +0000 | [diff] [blame] | 220 | root->family_name = info->family_name; |
Werner Lemberg | fdc042b | 2003-06-12 04:59:07 +0000 | [diff] [blame] | 221 | /* assume "Regular" style if we don't know better */ |
| 222 | root->style_name = (char *)"Regular"; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 223 | if ( root->family_name ) |
| 224 | { |
Werner Lemberg | 65ba724 | 2003-05-30 09:12:50 +0000 | [diff] [blame] | 225 | char* full = info->full_name; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 226 | char* family = root->family_name; |
| 227 | |
| 228 | |
| 229 | if ( full ) |
| 230 | { |
Werner Lemberg | fdc042b | 2003-06-12 04:59:07 +0000 | [diff] [blame] | 231 | while ( *full ) |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 232 | { |
Werner Lemberg | fdc042b | 2003-06-12 04:59:07 +0000 | [diff] [blame] | 233 | if ( *full == *family ) |
| 234 | { |
| 235 | family++; |
| 236 | full++; |
| 237 | } |
| 238 | else |
| 239 | { |
| 240 | if ( *full == ' ' || *full == '-' ) |
| 241 | full++; |
| 242 | else if ( *family == ' ' || *family == '-' ) |
| 243 | family++; |
| 244 | else |
| 245 | { |
| 246 | if ( !*family ) |
| 247 | root->style_name = full; |
| 248 | break; |
| 249 | } |
| 250 | } |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 251 | } |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 252 | } |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 253 | } |
| 254 | else |
| 255 | { |
| 256 | /* do we have a `/FontName'? */ |
Werner Lemberg | 65ba724 | 2003-05-30 09:12:50 +0000 | [diff] [blame] | 257 | if ( type1->font_name ) |
Werner Lemberg | 65ba724 | 2003-05-30 09:12:50 +0000 | [diff] [blame] | 258 | root->family_name = type1->font_name; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 259 | } |
| 260 | |
| 261 | /* no embedded bitmap support */ |
| 262 | root->num_fixed_sizes = 0; |
| 263 | root->available_sizes = 0; |
| 264 | |
| 265 | /* Load the TTF font embedded in the T42 font */ |
Werner Lemberg | 2a0903a | 2005-12-03 08:13:43 +0000 | [diff] [blame] | 266 | { |
| 267 | FT_Open_Args args; |
| 268 | |
| 269 | |
| 270 | args.flags = FT_OPEN_MEMORY; |
| 271 | args.memory_base = face->ttf_data; |
| 272 | args.memory_size = face->ttf_size; |
| 273 | |
| 274 | if ( num_params ) |
| 275 | { |
| 276 | args.flags |= FT_OPEN_PARAMS; |
| 277 | args.num_params = num_params; |
| 278 | args.params = params; |
| 279 | } |
| 280 | |
| 281 | error = FT_Open_Face( FT_FACE_LIBRARY( face ), |
| 282 | &args, 0, &face->ttf_face ); |
| 283 | } |
| 284 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 285 | if ( error ) |
| 286 | goto Exit; |
| 287 | |
David Turner | a1e4565 | 2002-06-11 20:35:58 +0000 | [diff] [blame] | 288 | FT_Done_Size( face->ttf_face->size ); |
| 289 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 290 | /* Ignore info in FontInfo dictionary and use the info from the */ |
| 291 | /* loaded TTF font. The PostScript interpreter also ignores it. */ |
| 292 | root->bbox = face->ttf_face->bbox; |
| 293 | root->units_per_EM = face->ttf_face->units_per_EM; |
| 294 | |
| 295 | root->ascender = face->ttf_face->ascender; |
| 296 | root->descender = face->ttf_face->descender; |
| 297 | root->height = face->ttf_face->height; |
| 298 | |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 299 | root->max_advance_width = face->ttf_face->max_advance_width; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 300 | root->max_advance_height = face->ttf_face->max_advance_height; |
| 301 | |
Werner Lemberg | 9472e23 | 2004-02-14 19:21:37 +0000 | [diff] [blame] | 302 | root->underline_position = (FT_Short)info->underline_position; |
| 303 | root->underline_thickness = (FT_Short)info->underline_thickness; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 304 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 305 | /* compute style flags */ |
| 306 | root->style_flags = 0; |
Werner Lemberg | 64f1ba9 | 2003-07-25 22:09:53 +0000 | [diff] [blame] | 307 | if ( info->italic_angle ) |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 308 | root->style_flags |= FT_STYLE_FLAG_ITALIC; |
| 309 | |
| 310 | if ( face->ttf_face->style_flags & FT_STYLE_FLAG_BOLD ) |
| 311 | root->style_flags |= FT_STYLE_FLAG_BOLD; |
| 312 | |
| 313 | if ( face->ttf_face->face_flags & FT_FACE_FLAG_VERTICAL ) |
| 314 | root->face_flags |= FT_FACE_FLAG_VERTICAL; |
| 315 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 316 | { |
| 317 | if ( psnames && psaux ) |
| 318 | { |
| 319 | FT_CharMapRec charmap; |
| 320 | T1_CMap_Classes cmap_classes = psaux->t1_cmap_classes; |
| 321 | FT_CMap_Class clazz; |
| 322 | |
| 323 | |
| 324 | charmap.face = root; |
| 325 | |
| 326 | /* first of all, try to synthetize a Unicode charmap */ |
| 327 | charmap.platform_id = 3; |
| 328 | charmap.encoding_id = 1; |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 329 | charmap.encoding = FT_ENCODING_UNICODE; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 330 | |
| 331 | FT_CMap_New( cmap_classes->unicode, NULL, &charmap, NULL ); |
| 332 | |
| 333 | /* now, generate an Adobe Standard encoding when appropriate */ |
| 334 | charmap.platform_id = 7; |
| 335 | clazz = NULL; |
| 336 | |
Werner Lemberg | 65ba724 | 2003-05-30 09:12:50 +0000 | [diff] [blame] | 337 | switch ( type1->encoding_type ) |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 338 | { |
| 339 | case T1_ENCODING_TYPE_STANDARD: |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 340 | charmap.encoding = FT_ENCODING_ADOBE_STANDARD; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 341 | charmap.encoding_id = 0; |
| 342 | clazz = cmap_classes->standard; |
| 343 | break; |
| 344 | |
| 345 | case T1_ENCODING_TYPE_EXPERT: |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 346 | charmap.encoding = FT_ENCODING_ADOBE_EXPERT; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 347 | charmap.encoding_id = 1; |
| 348 | clazz = cmap_classes->expert; |
| 349 | break; |
| 350 | |
| 351 | case T1_ENCODING_TYPE_ARRAY: |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 352 | charmap.encoding = FT_ENCODING_ADOBE_CUSTOM; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 353 | charmap.encoding_id = 2; |
| 354 | clazz = cmap_classes->custom; |
| 355 | break; |
| 356 | |
| 357 | case T1_ENCODING_TYPE_ISOLATIN1: |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 358 | charmap.encoding = FT_ENCODING_ADOBE_LATIN_1; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 359 | charmap.encoding_id = 3; |
| 360 | clazz = cmap_classes->unicode; |
| 361 | break; |
| 362 | |
| 363 | default: |
| 364 | ; |
| 365 | } |
| 366 | |
| 367 | if ( clazz ) |
| 368 | FT_CMap_New( clazz, NULL, &charmap, NULL ); |
| 369 | |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 370 | #if 0 |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 371 | /* Select default charmap */ |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 372 | if ( root->num_charmaps ) |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 373 | root->charmap = root->charmaps[0]; |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 374 | #endif |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 375 | } |
| 376 | } |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 377 | Exit: |
| 378 | return error; |
| 379 | } |
| 380 | |
| 381 | |
| 382 | FT_LOCAL_DEF( void ) |
| 383 | T42_Face_Done( T42_Face face ) |
| 384 | { |
| 385 | T1_Font type1; |
| 386 | PS_FontInfo info; |
| 387 | FT_Memory memory; |
| 388 | |
| 389 | |
| 390 | if ( face ) |
| 391 | { |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 392 | type1 = &face->type1; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 393 | info = &type1->font_info; |
| 394 | memory = face->root.memory; |
| 395 | |
| 396 | /* delete internal ttf face prior to freeing face->ttf_data */ |
| 397 | if ( face->ttf_face ) |
| 398 | FT_Done_Face( face->ttf_face ); |
| 399 | |
| 400 | /* release font info strings */ |
| 401 | FT_FREE( info->version ); |
| 402 | FT_FREE( info->notice ); |
| 403 | FT_FREE( info->full_name ); |
| 404 | FT_FREE( info->family_name ); |
| 405 | FT_FREE( info->weight ); |
| 406 | |
| 407 | /* release top dictionary */ |
| 408 | FT_FREE( type1->charstrings_len ); |
| 409 | FT_FREE( type1->charstrings ); |
| 410 | FT_FREE( type1->glyph_names ); |
| 411 | |
| 412 | FT_FREE( type1->charstrings_block ); |
| 413 | FT_FREE( type1->glyph_names_block ); |
| 414 | |
| 415 | FT_FREE( type1->encoding.char_index ); |
| 416 | FT_FREE( type1->encoding.char_name ); |
| 417 | FT_FREE( type1->font_name ); |
| 418 | |
| 419 | FT_FREE( face->ttf_data ); |
| 420 | |
| 421 | #if 0 |
| 422 | /* release afm data if present */ |
| 423 | if ( face->afm_data ) |
| 424 | T1_Done_AFM( memory, (T1_AFM*)face->afm_data ); |
| 425 | #endif |
| 426 | |
| 427 | /* release unicode map, if any */ |
| 428 | FT_FREE( face->unicode_map.maps ); |
| 429 | face->unicode_map.num_maps = 0; |
| 430 | |
| 431 | face->root.family_name = 0; |
| 432 | face->root.style_name = 0; |
| 433 | } |
| 434 | } |
| 435 | |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 436 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 437 | /*************************************************************************/ |
| 438 | /* */ |
| 439 | /* <Function> */ |
| 440 | /* T42_Driver_Init */ |
| 441 | /* */ |
| 442 | /* <Description> */ |
| 443 | /* Initializes a given Type 42 driver object. */ |
| 444 | /* */ |
| 445 | /* <Input> */ |
| 446 | /* driver :: A handle to the target driver object. */ |
| 447 | /* */ |
| 448 | /* <Return> */ |
| 449 | /* FreeType error code. 0 means success. */ |
| 450 | /* */ |
| 451 | FT_LOCAL_DEF( FT_Error ) |
| 452 | T42_Driver_Init( T42_Driver driver ) |
| 453 | { |
| 454 | FT_Module ttmodule; |
| 455 | |
| 456 | |
| 457 | ttmodule = FT_Get_Module( FT_MODULE(driver)->library, "truetype" ); |
| 458 | driver->ttclazz = (FT_Driver_Class)ttmodule->clazz; |
| 459 | |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 460 | return T42_Err_Ok; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 461 | } |
| 462 | |
| 463 | |
| 464 | FT_LOCAL_DEF( void ) |
| 465 | T42_Driver_Done( T42_Driver driver ) |
| 466 | { |
| 467 | FT_UNUSED( driver ); |
| 468 | } |
| 469 | |
| 470 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 471 | FT_LOCAL_DEF( FT_Error ) |
| 472 | T42_Size_Init( T42_Size size ) |
| 473 | { |
| 474 | FT_Face face = size->root.face; |
| 475 | T42_Face t42face = (T42_Face)face; |
| 476 | FT_Size ttsize; |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 477 | FT_Error error = T42_Err_Ok; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 478 | |
| 479 | |
| 480 | error = FT_New_Size( t42face->ttf_face, &ttsize ); |
| 481 | size->ttsize = ttsize; |
| 482 | |
David Turner | a1e4565 | 2002-06-11 20:35:58 +0000 | [diff] [blame] | 483 | FT_Activate_Size( ttsize ); |
| 484 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 485 | return error; |
| 486 | } |
| 487 | |
| 488 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 489 | FT_LOCAL_DEF( FT_Error ) |
| 490 | T42_Size_Request( T42_Size size, |
| 491 | FT_Size_Request req ) |
| 492 | { |
Werner Lemberg | f1c2b91 | 2006-01-13 14:53:28 +0000 | [diff] [blame] | 493 | T42_Face face = (T42_Face)size->root.face; |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 494 | FT_Error error; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 495 | |
| 496 | |
| 497 | FT_Activate_Size( size->ttsize ); |
| 498 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 499 | error = FT_Request_Size( face->ttf_face, req ); |
| 500 | if ( !error ) |
| 501 | ( (FT_Size)size )->metrics = face->ttf_face->size->metrics; |
| 502 | |
| 503 | return error; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 504 | } |
| 505 | |
| 506 | |
| 507 | FT_LOCAL_DEF( FT_Error ) |
| 508 | T42_Size_Select( T42_Size size, |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 509 | FT_ULong strike_index ) |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 510 | { |
Werner Lemberg | f1c2b91 | 2006-01-13 14:53:28 +0000 | [diff] [blame] | 511 | T42_Face face = (T42_Face)size->root.face; |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 512 | FT_Error error; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 513 | |
| 514 | |
| 515 | FT_Activate_Size( size->ttsize ); |
| 516 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 517 | error = FT_Select_Size( face->ttf_face, strike_index ); |
| 518 | if ( !error ) |
| 519 | ( (FT_Size)size )->metrics = face->ttf_face->size->metrics; |
| 520 | |
| 521 | return error; |
| 522 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 523 | } |
| 524 | |
| 525 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 526 | FT_LOCAL_DEF( void ) |
| 527 | T42_Size_Done( T42_Size size ) |
| 528 | { |
| 529 | FT_Face face = size->root.face; |
| 530 | T42_Face t42face = (T42_Face)face; |
| 531 | FT_ListNode node; |
| 532 | |
| 533 | |
| 534 | node = FT_List_Find( &t42face->ttf_face->sizes_list, size->ttsize ); |
| 535 | if ( node ) |
| 536 | { |
| 537 | FT_Done_Size( size->ttsize ); |
| 538 | size->ttsize = NULL; |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | |
| 543 | FT_LOCAL_DEF( FT_Error ) |
| 544 | T42_GlyphSlot_Init( T42_GlyphSlot slot ) |
| 545 | { |
| 546 | FT_Face face = slot->root.face; |
| 547 | T42_Face t42face = (T42_Face)face; |
| 548 | FT_GlyphSlot ttslot; |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 549 | FT_Error error = T42_Err_Ok; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 550 | |
| 551 | |
| 552 | if ( face->glyph == NULL ) |
| 553 | { |
| 554 | /* First glyph slot for this face */ |
| 555 | slot->ttslot = t42face->ttf_face->glyph; |
| 556 | } |
| 557 | else |
| 558 | { |
| 559 | error = FT_New_GlyphSlot( t42face->ttf_face, &ttslot ); |
| 560 | slot->ttslot = ttslot; |
| 561 | } |
| 562 | |
| 563 | return error; |
| 564 | } |
| 565 | |
| 566 | |
| 567 | FT_LOCAL_DEF( void ) |
| 568 | T42_GlyphSlot_Done( T42_GlyphSlot slot ) |
| 569 | { |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 570 | FT_Done_GlyphSlot( slot->ttslot ); |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 571 | } |
| 572 | |
| 573 | |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 574 | static void |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 575 | t42_glyphslot_clear( FT_GlyphSlot slot ) |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 576 | { |
| 577 | /* free bitmap if needed */ |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 578 | ft_glyphslot_free_bitmap( slot ); |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 579 | |
| 580 | /* clear all public fields in the glyph slot */ |
David Turner | a1e4565 | 2002-06-11 20:35:58 +0000 | [diff] [blame] | 581 | FT_ZERO( &slot->metrics ); |
| 582 | FT_ZERO( &slot->outline ); |
| 583 | FT_ZERO( &slot->bitmap ); |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 584 | |
| 585 | slot->bitmap_left = 0; |
| 586 | slot->bitmap_top = 0; |
| 587 | slot->num_subglyphs = 0; |
| 588 | slot->subglyphs = 0; |
| 589 | slot->control_data = 0; |
| 590 | slot->control_len = 0; |
| 591 | slot->other = 0; |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 592 | slot->format = FT_GLYPH_FORMAT_NONE; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 593 | |
| 594 | slot->linearHoriAdvance = 0; |
| 595 | slot->linearVertAdvance = 0; |
| 596 | } |
| 597 | |
| 598 | |
| 599 | FT_LOCAL_DEF( FT_Error ) |
| 600 | T42_GlyphSlot_Load( FT_GlyphSlot glyph, |
| 601 | FT_Size size, |
Werner Lemberg | e3f4198 | 2003-10-16 15:48:39 +0000 | [diff] [blame] | 602 | FT_UInt glyph_index, |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 603 | FT_Int32 load_flags ) |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 604 | { |
| 605 | FT_Error error; |
| 606 | T42_GlyphSlot t42slot = (T42_GlyphSlot)glyph; |
| 607 | T42_Size t42size = (T42_Size)size; |
| 608 | FT_Driver_Class ttclazz = ((T42_Driver)glyph->face->driver)->ttclazz; |
| 609 | |
Werner Lemberg | bd8e324 | 2002-06-12 08:43:58 +0000 | [diff] [blame] | 610 | |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 611 | t42_glyphslot_clear( t42slot->ttslot ); |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 612 | error = ttclazz->load_glyph( t42slot->ttslot, |
| 613 | t42size->ttsize, |
| 614 | glyph_index, |
| 615 | load_flags | FT_LOAD_NO_BITMAP ); |
| 616 | |
| 617 | if ( !error ) |
| 618 | { |
| 619 | glyph->metrics = t42slot->ttslot->metrics; |
| 620 | |
| 621 | glyph->linearHoriAdvance = t42slot->ttslot->linearHoriAdvance; |
| 622 | glyph->linearVertAdvance = t42slot->ttslot->linearVertAdvance; |
| 623 | |
| 624 | glyph->format = t42slot->ttslot->format; |
| 625 | glyph->outline = t42slot->ttslot->outline; |
| 626 | |
| 627 | glyph->bitmap = t42slot->ttslot->bitmap; |
| 628 | glyph->bitmap_left = t42slot->ttslot->bitmap_left; |
| 629 | glyph->bitmap_top = t42slot->ttslot->bitmap_top; |
David Turner | d1214ac | 2002-07-17 21:14:23 +0000 | [diff] [blame] | 630 | |
David Turner | a1e4565 | 2002-06-11 20:35:58 +0000 | [diff] [blame] | 631 | glyph->num_subglyphs = t42slot->ttslot->num_subglyphs; |
| 632 | glyph->subglyphs = t42slot->ttslot->subglyphs; |
David Turner | d1214ac | 2002-07-17 21:14:23 +0000 | [diff] [blame] | 633 | |
David Turner | a1e4565 | 2002-06-11 20:35:58 +0000 | [diff] [blame] | 634 | glyph->control_data = t42slot->ttslot->control_data; |
| 635 | glyph->control_len = t42slot->ttslot->control_len; |
David Turner | 9f95bab | 2002-06-07 07:23:06 +0000 | [diff] [blame] | 636 | } |
| 637 | |
| 638 | return error; |
| 639 | } |
| 640 | |
| 641 | |
Werner Lemberg | 8c90c22 | 2002-06-08 06:47:18 +0000 | [diff] [blame] | 642 | /* END */ |