David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 1 | /***************************************************************************/ |
| 2 | /* */ |
| 3 | /* cffobjs.c */ |
| 4 | /* */ |
| 5 | /* OpenType objects manager (body). */ |
| 6 | /* */ |
| 7 | /* Copyright 1996-2000 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 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 18 | |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 19 | #include <ft2build.h> |
| 20 | #include FT_INTERNAL_DEBUG_H |
| 21 | #include FT_INTERNAL_CALC_H |
| 22 | #include FT_INTERNAL_STREAM_H |
| 23 | #include FT_ERRORS_H |
| 24 | #include FT_TRUETYPE_NAMES_H |
| 25 | #include FT_TRUETYPE_TAGS_H |
| 26 | #include FT_INTERNAL_SFNT_H |
| 27 | #include FT_INTERNAL_POSTSCRIPT_NAMES_H |
| 28 | #include FT_SOURCE_FILE(cff,cffobjs.h) |
| 29 | #include FT_SOURCE_FILE(cff,cffload.h) |
| 30 | #include FT_INTERNAL_CFF_ERRORS_H |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 31 | |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 32 | #include <string.h> /* for strlen() */ |
| 33 | |
| 34 | |
| 35 | /*************************************************************************/ |
| 36 | /* */ |
| 37 | /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ |
| 38 | /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ |
| 39 | /* messages during execution. */ |
| 40 | /* */ |
| 41 | #undef FT_COMPONENT |
| 42 | #define FT_COMPONENT trace_t2objs |
| 43 | |
| 44 | |
| 45 | /*************************************************************************/ |
| 46 | /* */ |
| 47 | /* FACE FUNCTIONS */ |
| 48 | /* */ |
| 49 | /*************************************************************************/ |
| 50 | |
| 51 | static |
| 52 | FT_String* T2_StrCopy( FT_Memory memory, |
| 53 | const FT_String* source ) |
| 54 | { |
| 55 | FT_Error error; |
| 56 | FT_String* result = 0; |
| 57 | FT_Int len = (FT_Int)strlen( source ); |
| 58 | |
| 59 | |
| 60 | if ( !ALLOC( result, len + 1 ) ) |
| 61 | { |
| 62 | MEM_Copy( result, source, len ); |
| 63 | result[len] = 0; |
| 64 | } |
| 65 | return result; |
| 66 | } |
| 67 | |
| 68 | |
| 69 | #if 0 |
| 70 | |
| 71 | /* this function is used to build a Unicode charmap from the glyph names */ |
| 72 | /* in a file */ |
| 73 | static |
| 74 | FT_Error CFF_Build_Unicode_Charmap( T2_Face face, |
| 75 | FT_ULong base_offset, |
| 76 | PSNames_Interface* psnames ) |
| 77 | { |
| 78 | CFF_Font* font = (CFF_Font*)face->extra.data; |
| 79 | FT_Memory memory = FT_FACE_MEMORY(face); |
| 80 | FT_UInt n, num_glyphs = face->root.num_glyphs; |
| 81 | const char** glyph_names; |
| 82 | FT_Error error; |
| 83 | CFF_Font_Dict* dict = &font->top_font.font_dict; |
| 84 | FT_ULong charset_offset; |
| 85 | FT_Byte format; |
| 86 | FT_Stream stream = face->root.stream; |
| 87 | |
| 88 | |
| 89 | charset_offset = dict->charset_offset; |
| 90 | if ( !charset_offset ) |
| 91 | { |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 92 | FT_ERROR(( "CFF_Build_Unicode_Charmap: charset table is missing\n" )); |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 93 | error = T2_Err_Invalid_File_Format; |
| 94 | goto Exit; |
| 95 | } |
| 96 | |
| 97 | /* allocate the charmap */ |
| 98 | if ( ALLOC( face->charmap, ... |
| 99 | |
| 100 | /* seek to charset table and allocate glyph names table */ |
| 101 | if ( FILE_Seek( base_offset + charset_offset ) || |
| 102 | ALLOC_ARRAY( glyph_names, num_glyphs, const char* ) ) |
| 103 | goto Exit; |
| 104 | |
| 105 | /* now, read each glyph name and store it in the glyph name table */ |
| 106 | if ( READ_Byte( format ) ) |
| 107 | goto Fail; |
| 108 | |
| 109 | switch ( format ) |
| 110 | { |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 111 | case 0: /* format 0 - one SID per glyph */ |
| 112 | { |
| 113 | const char** gname = glyph_names; |
| 114 | const char** limit = gname + num_glyphs; |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 115 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 116 | |
| 117 | if ( ACCESS_Frame( num_glyphs * 2 ) ) |
| 118 | goto Fail; |
| 119 | |
| 120 | for ( ; gname < limit; gname++ ) |
| 121 | gname[0] = T2_Get_String( &font->string_index, |
| 122 | GET_UShort(), |
| 123 | psnames ); |
| 124 | FORGET_Frame(); |
| 125 | break; |
| 126 | } |
| 127 | |
| 128 | case 1: /* format 1 - sequential ranges */ |
| 129 | case 2: /* format 2 - sequential ranges with 16-bit counts */ |
| 130 | { |
| 131 | const char** gname = glyph_names; |
| 132 | const char** limit = gname + num_glyphs; |
| 133 | FT_UInt len = 3; |
| 134 | |
| 135 | |
| 136 | if ( format == 2 ) |
| 137 | len++; |
| 138 | |
| 139 | while ( gname < limit ) |
| 140 | { |
| 141 | FT_UInt first; |
| 142 | FT_UInt count; |
| 143 | |
| 144 | |
| 145 | if ( ACCESS_Frame( len ) ) |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 146 | goto Fail; |
| 147 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 148 | first = GET_UShort(); |
| 149 | if ( format == 3 ) |
| 150 | count = GET_UShort(); |
| 151 | else |
| 152 | count = GET_Byte(); |
| 153 | |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 154 | FORGET_Frame(); |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 155 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 156 | for ( ; count > 0; count-- ) |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 157 | { |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 158 | gname[0] = T2_Get_String( &font->string_index, |
| 159 | first, |
| 160 | psnames ); |
| 161 | gname++; |
| 162 | first++; |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 163 | } |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 164 | } |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 165 | break; |
| 166 | } |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 167 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 168 | default: /* unknown charset format! */ |
| 169 | FT_ERROR(( "CFF_Build_Unicode_Charmap: unknown charset format!\n" )); |
| 170 | error = T2_Err_Invalid_File_Format; |
| 171 | goto Fail; |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 172 | } |
| 173 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 174 | /* all right, the glyph names were loaded; we now need to create */ |
| 175 | /* the corresponding unicode charmap */ |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 176 | |
| 177 | Fail: |
| 178 | for ( n = 0; n < num_glyphs; n++ ) |
| 179 | FREE( glyph_names[n] ); |
| 180 | |
| 181 | FREE( glyph_names ); |
| 182 | |
| 183 | Exit: |
| 184 | return error; |
| 185 | } |
| 186 | |
| 187 | #endif /* 0 */ |
| 188 | |
| 189 | |
| 190 | static |
| 191 | FT_Encoding find_encoding( int platform_id, |
| 192 | int encoding_id ) |
| 193 | { |
| 194 | typedef struct TEncoding |
| 195 | { |
| 196 | int platform_id; |
| 197 | int encoding_id; |
| 198 | FT_Encoding encoding; |
| 199 | |
| 200 | } TEncoding; |
| 201 | |
| 202 | static |
| 203 | const TEncoding tt_encodings[] = |
| 204 | { |
| 205 | { TT_PLATFORM_ISO, -1, ft_encoding_unicode }, |
| 206 | |
| 207 | { TT_PLATFORM_APPLE_UNICODE, -1, ft_encoding_unicode }, |
| 208 | |
| 209 | { TT_PLATFORM_MACINTOSH, TT_MAC_ID_ROMAN, ft_encoding_apple_roman }, |
| 210 | |
| 211 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, ft_encoding_unicode }, |
| 212 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_SJIS, ft_encoding_sjis }, |
| 213 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_GB2312, ft_encoding_gb2312 }, |
| 214 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_BIG_5, ft_encoding_big5 }, |
| 215 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_WANSUNG, ft_encoding_wansung }, |
| 216 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_JOHAB, ft_encoding_johab } |
| 217 | }; |
| 218 | |
| 219 | const TEncoding *cur, *limit; |
| 220 | |
| 221 | |
| 222 | cur = tt_encodings; |
| 223 | limit = cur + sizeof ( tt_encodings ) / sizeof ( tt_encodings[0] ); |
| 224 | |
| 225 | for ( ; cur < limit; cur++ ) |
| 226 | { |
| 227 | if ( cur->platform_id == platform_id ) |
| 228 | { |
| 229 | if ( cur->encoding_id == encoding_id || |
| 230 | cur->encoding_id == -1 ) |
| 231 | return cur->encoding; |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | return ft_encoding_none; |
| 236 | } |
| 237 | |
| 238 | |
| 239 | /*************************************************************************/ |
| 240 | /* */ |
| 241 | /* <Function> */ |
| 242 | /* T2_Init_Face */ |
| 243 | /* */ |
| 244 | /* <Description> */ |
| 245 | /* Initializes a given OpenType face object. */ |
| 246 | /* */ |
| 247 | /* <Input> */ |
| 248 | /* stream :: The source font stream. */ |
| 249 | /* */ |
| 250 | /* face_index :: The index of the font face in the resource. */ |
| 251 | /* */ |
| 252 | /* num_params :: Number of additional generic parameters. Ignored. */ |
| 253 | /* */ |
| 254 | /* params :: Additional generic parameters. Ignored. */ |
| 255 | /* */ |
| 256 | /* <InOut> */ |
| 257 | /* face :: The newly built face object. */ |
| 258 | /* */ |
| 259 | /* <Return> */ |
| 260 | /* FreeType error code. 0 means success. */ |
| 261 | /* */ |
| 262 | FT_LOCAL |
| 263 | FT_Error T2_Init_Face( FT_Stream stream, |
| 264 | T2_Face face, |
| 265 | FT_Int face_index, |
| 266 | FT_Int num_params, |
| 267 | FT_Parameter* params ) |
| 268 | { |
| 269 | FT_Error error; |
| 270 | SFNT_Interface* sfnt; |
| 271 | PSNames_Interface* psnames; |
| 272 | FT_Bool pure_cff = 1; |
| 273 | FT_Bool sfnt_format = 0; |
| 274 | |
| 275 | |
| 276 | sfnt = (SFNT_Interface*)FT_Get_Module_Interface( |
| 277 | face->root.driver->root.library, "sfnt" ); |
| 278 | if ( !sfnt ) |
| 279 | goto Bad_Format; |
| 280 | |
| 281 | psnames = (PSNames_Interface*)FT_Get_Module_Interface( |
| 282 | face->root.driver->root.library, "psnames" ); |
| 283 | |
| 284 | /* create input stream from resource */ |
| 285 | if ( FILE_Seek( 0 ) ) |
| 286 | goto Exit; |
| 287 | |
| 288 | /* check that we have a valid OpenType file */ |
| 289 | error = sfnt->init_face( stream, face, face_index, num_params, params ); |
| 290 | if ( !error ) |
| 291 | { |
| 292 | if ( face->format_tag != 0x4F54544FL ) /* `OTTO'; OpenType/CFF font */ |
| 293 | { |
| 294 | FT_TRACE2(( "[not a valid OpenType/CFF font]\n" )); |
| 295 | goto Bad_Format; |
| 296 | } |
| 297 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 298 | /* if we are performing a simple font format check, exit immediately */ |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 299 | if ( face_index < 0 ) |
| 300 | return T2_Err_Ok; |
| 301 | |
| 302 | sfnt_format = 1; |
| 303 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 304 | /* now, the font can be either an OpenType/CFF font, or an SVG CEF */ |
| 305 | /* font in the later case; it doesn't have a `head' table */ |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 306 | error = face->goto_table( face, TTAG_head, stream, 0 ); |
| 307 | if ( !error ) |
| 308 | { |
| 309 | pure_cff = 0; |
| 310 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 311 | /* load font directory */ |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 312 | error = sfnt->load_face( stream, face, |
| 313 | face_index, num_params, params ); |
| 314 | if ( error ) |
| 315 | goto Exit; |
| 316 | } |
| 317 | else |
| 318 | { |
| 319 | /* load the `cmap' table by hand */ |
| 320 | error = sfnt->load_charmaps( face, stream ); |
| 321 | if ( error ) |
| 322 | goto Exit; |
| 323 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 324 | /* XXX: we don't load the GPOS table, as OpenType Layout */ |
| 325 | /* support will be added later to a layout library on top of */ |
| 326 | /* FreeType 2 */ |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 327 | } |
| 328 | |
| 329 | /* now, load the CFF part of the file */ |
| 330 | error = face->goto_table( face, TTAG_CFF, stream, 0 ); |
| 331 | if ( error ) |
| 332 | goto Exit; |
| 333 | } |
| 334 | else |
| 335 | { |
| 336 | /* rewind to start of file; we are going to load a pure-CFF font */ |
| 337 | if ( FILE_Seek( 0 ) ) |
| 338 | goto Exit; |
| 339 | error = FT_Err_Ok; |
| 340 | } |
| 341 | |
| 342 | /* now load and parse the CFF table in the file */ |
| 343 | { |
| 344 | CFF_Font* cff; |
| 345 | FT_Memory memory = face->root.memory; |
| 346 | FT_Face root; |
| 347 | FT_UInt flags; |
| 348 | FT_ULong base_offset; |
| 349 | |
| 350 | |
| 351 | if ( ALLOC( cff, sizeof ( *cff ) ) ) |
| 352 | goto Exit; |
| 353 | |
| 354 | base_offset = FILE_Pos(); |
| 355 | |
| 356 | face->extra.data = cff; |
| 357 | error = CFF_Load_Font( stream, face_index, cff ); |
| 358 | if ( error ) |
| 359 | goto Exit; |
| 360 | |
| 361 | /* Complement the root flags with some interesting information. */ |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 362 | /* Note that this is only necessary for pure CFF and CEF fonts. */ |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 363 | |
| 364 | root = &face->root; |
| 365 | if ( pure_cff ) |
| 366 | { |
| 367 | CFF_Font_Dict* dict = &cff->top_font.font_dict; |
| 368 | |
| 369 | |
| 370 | /* we need the `PSNames' module for pure-CFF and CEF formats */ |
| 371 | if ( !psnames ) |
| 372 | { |
| 373 | FT_ERROR(( "T2_Init_Face:" )); |
| 374 | FT_ERROR(( " cannot open CFF & CEF fonts\n" )); |
| 375 | FT_ERROR(( " " )); |
| 376 | FT_ERROR(( " without the `PSNames' module\n" )); |
| 377 | goto Bad_Format; |
| 378 | } |
| 379 | |
| 380 | /* Set up num_faces. */ |
| 381 | root->num_faces = cff->num_faces; |
| 382 | |
| 383 | /* compute number of glyphs */ |
| 384 | if ( dict->cid_registry ) |
| 385 | root->num_glyphs = dict->cid_count; |
| 386 | else |
| 387 | root->num_glyphs = cff->charstrings_index.count; |
| 388 | |
| 389 | /* set global bbox, as well as EM size */ |
| 390 | root->units_per_EM = 1000; |
| 391 | root->bbox = dict->font_bbox; |
| 392 | root->ascender = (FT_Short)root->bbox.yMax; |
| 393 | root->descender = (FT_Short)root->bbox.yMin; |
| 394 | root->height = ( ( root->ascender - root->descender ) * 12 ) / 10; |
| 395 | |
| 396 | /* retrieve font family & style name */ |
| 397 | root->family_name = CFF_Get_Name( &cff->name_index, face_index ); |
| 398 | if ( dict->cid_registry ) |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 399 | root->style_name = T2_StrCopy( memory, "Regular" ); /* XXXX */ |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 400 | else |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 401 | root->style_name = CFF_Get_String( &cff->string_index, |
| 402 | dict->weight, |
| 403 | psnames ); |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 404 | |
| 405 | /*******************************************************************/ |
| 406 | /* */ |
| 407 | /* Compute face flags. */ |
| 408 | /* */ |
| 409 | flags = FT_FACE_FLAG_SCALABLE | /* scalable outlines */ |
| 410 | FT_FACE_FLAG_HORIZONTAL; /* horizontal data */ |
| 411 | |
| 412 | if ( sfnt_format ) |
| 413 | flags |= FT_FACE_FLAG_SFNT; |
| 414 | |
| 415 | /* fixed width font? */ |
| 416 | if ( dict->is_fixed_pitch ) |
| 417 | flags |= FT_FACE_FLAG_FIXED_WIDTH; |
| 418 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame^] | 419 | /* XXX: WE DO NOT SUPPORT KERNING METRICS IN THE GPOS TABLE FOR NOW */ |
David Turner | 19ed8af | 2000-12-08 02:42:29 +0000 | [diff] [blame] | 420 | #if 0 |
| 421 | /* kerning available? */ |
| 422 | if ( face->kern_pairs ) |
| 423 | flags |= FT_FACE_FLAG_KERNING; |
| 424 | #endif |
| 425 | |
| 426 | root->face_flags = flags; |
| 427 | |
| 428 | /*******************************************************************/ |
| 429 | /* */ |
| 430 | /* Compute style flags. */ |
| 431 | /* */ |
| 432 | flags = 0; |
| 433 | |
| 434 | if ( dict->italic_angle ) |
| 435 | flags |= FT_STYLE_FLAG_ITALIC; |
| 436 | |
| 437 | /* XXX: may not be correct */ |
| 438 | if ( cff->top_font.private_dict.force_bold ) |
| 439 | flags |= FT_STYLE_FLAG_BOLD; |
| 440 | |
| 441 | root->style_flags = flags; |
| 442 | |
| 443 | /* set the charmaps if any */ |
| 444 | if ( sfnt_format ) |
| 445 | { |
| 446 | /*****************************************************************/ |
| 447 | /* */ |
| 448 | /* Polish the charmaps. */ |
| 449 | /* */ |
| 450 | /* Try to set the charmap encoding according to the platform & */ |
| 451 | /* encoding ID of each charmap. */ |
| 452 | /* */ |
| 453 | TT_CharMap charmap; |
| 454 | FT_Int n; |
| 455 | |
| 456 | |
| 457 | charmap = face->charmaps; |
| 458 | root->num_charmaps = face->num_charmaps; |
| 459 | |
| 460 | /* allocate table of pointers */ |
| 461 | if ( ALLOC_ARRAY( root->charmaps, root->num_charmaps, FT_CharMap ) ) |
| 462 | goto Exit; |
| 463 | |
| 464 | for ( n = 0; n < root->num_charmaps; n++, charmap++ ) |
| 465 | { |
| 466 | FT_Int platform = charmap->cmap.platformID; |
| 467 | FT_Int encoding = charmap->cmap.platformEncodingID; |
| 468 | |
| 469 | |
| 470 | charmap->root.face = (FT_Face)face; |
| 471 | charmap->root.platform_id = platform; |
| 472 | charmap->root.encoding_id = encoding; |
| 473 | charmap->root.encoding = find_encoding( platform, encoding ); |
| 474 | |
| 475 | /* now, set root->charmap with a unicode charmap */ |
| 476 | /* wherever available */ |
| 477 | if ( !root->charmap && |
| 478 | charmap->root.encoding == ft_encoding_unicode ) |
| 479 | root->charmap = (FT_CharMap)charmap; |
| 480 | |
| 481 | root->charmaps[n] = (FT_CharMap)charmap; |
| 482 | } |
| 483 | } |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | Exit: |
| 488 | return error; |
| 489 | |
| 490 | Bad_Format: |
| 491 | error = FT_Err_Unknown_File_Format; |
| 492 | goto Exit; |
| 493 | } |
| 494 | |
| 495 | |
| 496 | /*************************************************************************/ |
| 497 | /* */ |
| 498 | /* <Function> */ |
| 499 | /* T2_Done_Face */ |
| 500 | /* */ |
| 501 | /* <Description> */ |
| 502 | /* Finalizes a given face object. */ |
| 503 | /* */ |
| 504 | /* <Input> */ |
| 505 | /* face :: A pointer to the face object to destroy. */ |
| 506 | /* */ |
| 507 | FT_LOCAL |
| 508 | void T2_Done_Face( T2_Face face ) |
| 509 | { |
| 510 | FT_Memory memory = face->root.memory; |
| 511 | SFNT_Interface* sfnt = (SFNT_Interface*)face->sfnt; |
| 512 | |
| 513 | |
| 514 | if ( sfnt ) |
| 515 | sfnt->done_face( face ); |
| 516 | |
| 517 | { |
| 518 | CFF_Font* cff = (CFF_Font*)face->extra.data; |
| 519 | |
| 520 | |
| 521 | if ( cff ) |
| 522 | { |
| 523 | CFF_Done_Font( cff ); |
| 524 | FREE( face->extra.data ); |
| 525 | } |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | |
| 530 | /*************************************************************************/ |
| 531 | /* */ |
| 532 | /* <Function> */ |
| 533 | /* T2_Init_Driver */ |
| 534 | /* */ |
| 535 | /* <Description> */ |
| 536 | /* Initializes a given OpenType driver object. */ |
| 537 | /* */ |
| 538 | /* <Input> */ |
| 539 | /* driver :: A handle to the target driver object. */ |
| 540 | /* */ |
| 541 | /* <Return> */ |
| 542 | /* FreeType error code. 0 means success. */ |
| 543 | /* */ |
| 544 | FT_LOCAL_DEF |
| 545 | FT_Error T2_Init_Driver( T2_Driver driver ) |
| 546 | { |
| 547 | /* init extension registry if needed */ |
| 548 | |
| 549 | #ifdef TT_CONFIG_OPTION_EXTEND_ENGINE |
| 550 | |
| 551 | return TT_Init_Extensions( driver ); |
| 552 | |
| 553 | #else |
| 554 | |
| 555 | FT_UNUSED( driver ); |
| 556 | |
| 557 | return T2_Err_Ok; |
| 558 | |
| 559 | #endif |
| 560 | } |
| 561 | |
| 562 | |
| 563 | /*************************************************************************/ |
| 564 | /* */ |
| 565 | /* <Function> */ |
| 566 | /* T2_Done_Driver */ |
| 567 | /* */ |
| 568 | /* <Description> */ |
| 569 | /* Finalizes a given OpenType driver. */ |
| 570 | /* */ |
| 571 | /* <Input> */ |
| 572 | /* driver :: A handle to the target OpenType driver. */ |
| 573 | /* */ |
| 574 | FT_LOCAL_DEF |
| 575 | void T2_Done_Driver( T2_Driver driver ) |
| 576 | { |
| 577 | /* destroy extensions registry if needed */ |
| 578 | |
| 579 | #ifdef TT_CONFIG_OPTION_EXTEND_ENGINE |
| 580 | |
| 581 | TT_Done_Extensions( driver ); |
| 582 | |
| 583 | #else |
| 584 | |
| 585 | FT_UNUSED( driver ); |
| 586 | |
| 587 | #endif |
| 588 | } |
| 589 | |
| 590 | |
| 591 | /* END */ |