Werner Lemberg | 9ac9060 | 2018-06-03 09:01:17 +0200 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | * |
| 3 | * sfobjs.c |
| 4 | * |
| 5 | * SFNT object management (base). |
| 6 | * |
Werner Lemberg | 7585997 | 2019-02-23 10:07:09 +0100 | [diff] [blame] | 7 | * Copyright (C) 1996-2019 by |
Werner Lemberg | 9ac9060 | 2018-06-03 09:01:17 +0200 | [diff] [blame] | 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 | */ |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 17 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 18 | |
| 19 | #include <ft2build.h> |
David Turner | 8d3a401 | 2001-03-20 11:14:24 +0000 | [diff] [blame] | 20 | #include "sfobjs.h" |
| 21 | #include "ttload.h" |
Werner Lemberg | 4b8397c | 2004-08-29 16:50:09 +0000 | [diff] [blame] | 22 | #include "ttcmap.h" |
David Turner | e568027 | 2005-02-26 00:12:04 +0000 | [diff] [blame] | 23 | #include "ttkern.h" |
Nikhil Ramakrishnan | 7b275a5 | 2019-05-30 23:57:34 +0530 | [diff] [blame] | 24 | #include "sfwoff.h" |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 25 | #include FT_INTERNAL_SFNT_H |
Werner Lemberg | 5225402 | 2006-02-15 06:05:52 +0000 | [diff] [blame] | 26 | #include FT_INTERNAL_DEBUG_H |
David Turner | 6ce03ef | 2001-03-20 14:50:04 +0000 | [diff] [blame] | 27 | #include FT_TRUETYPE_IDS_H |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 28 | #include FT_TRUETYPE_TAGS_H |
David Turner | 7760595 | 2003-10-29 21:43:52 +0000 | [diff] [blame] | 29 | #include FT_SERVICE_POSTSCRIPT_CMAPS_H |
suzuki toshiya | 75852ed | 2010-01-29 23:18:34 +0900 | [diff] [blame] | 30 | #include FT_SFNT_NAMES_H |
Werner Lemberg | c628a7d | 2016-12-14 19:31:42 +0100 | [diff] [blame] | 31 | |
| 32 | #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT |
| 33 | #include FT_SERVICE_MULTIPLE_MASTERS_H |
Werner Lemberg | 0918325 | 2016-12-14 20:44:11 +0100 | [diff] [blame] | 34 | #include FT_SERVICE_METRICS_VARIATIONS_H |
Werner Lemberg | c628a7d | 2016-12-14 19:31:42 +0100 | [diff] [blame] | 35 | #endif |
| 36 | |
Werner Lemberg | 1f7f0e8 | 2001-06-06 17:30:41 +0000 | [diff] [blame] | 37 | #include "sferrors.h" |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 38 | |
David Turner | 89a2a4b | 2005-12-14 20:38:15 +0000 | [diff] [blame] | 39 | #ifdef TT_CONFIG_OPTION_BDF |
| 40 | #include "ttbdf.h" |
| 41 | #endif |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 42 | |
Werner Lemberg | b79b513 | 2005-12-20 12:01:58 +0000 | [diff] [blame] | 43 | |
Werner Lemberg | 9ac9060 | 2018-06-03 09:01:17 +0200 | [diff] [blame] | 44 | /************************************************************************** |
| 45 | * |
| 46 | * The macro FT_COMPONENT is used in trace mode. It is an implicit |
| 47 | * parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log |
| 48 | * messages during execution. |
| 49 | */ |
Werner Lemberg | 78575dc | 2000-06-12 19:36:41 +0000 | [diff] [blame] | 50 | #undef FT_COMPONENT |
Werner Lemberg | a0dd16f | 2018-08-15 18:13:17 +0200 | [diff] [blame] | 51 | #define FT_COMPONENT sfobjs |
Werner Lemberg | 78575dc | 2000-06-12 19:36:41 +0000 | [diff] [blame] | 52 | |
| 53 | |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 54 | |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 55 | /* convert a UTF-16 name entry to ASCII */ |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 56 | static FT_String* |
Werner Lemberg | f4e5696 | 2017-01-25 15:08:41 +0100 | [diff] [blame] | 57 | tt_name_ascii_from_utf16( TT_Name entry, |
| 58 | FT_Memory memory ) |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 59 | { |
Werner Lemberg | c8f5b98 | 2010-07-12 21:13:22 +0200 | [diff] [blame] | 60 | FT_String* string = NULL; |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 61 | FT_UInt len, code, n; |
Werner Lemberg | c8f5b98 | 2010-07-12 21:13:22 +0200 | [diff] [blame] | 62 | FT_Byte* read = (FT_Byte*)entry->string; |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 63 | FT_Error error; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 64 | |
| 65 | |
| 66 | len = (FT_UInt)entry->stringLength / 2; |
| 67 | |
David Turner | 6a681fa | 2006-01-27 12:11:22 +0000 | [diff] [blame] | 68 | if ( FT_NEW_ARRAY( string, len + 1 ) ) |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 69 | return NULL; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 70 | |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 71 | for ( n = 0; n < len; n++ ) |
| 72 | { |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 73 | code = FT_NEXT_USHORT( read ); |
Huw Davies | 3650f80 | 2012-03-14 18:29:57 +0100 | [diff] [blame] | 74 | |
| 75 | if ( code == 0 ) |
| 76 | break; |
| 77 | |
| 78 | if ( code < 32 || code > 127 ) |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 79 | code = '?'; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 80 | |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 81 | string[n] = (char)code; |
| 82 | } |
| 83 | |
Huw Davies | 3650f80 | 2012-03-14 18:29:57 +0100 | [diff] [blame] | 84 | string[n] = 0; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 85 | |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 86 | return string; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 87 | } |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 88 | |
| 89 | |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 90 | /* convert an Apple Roman or symbol name entry to ASCII */ |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 91 | static FT_String* |
Werner Lemberg | f4e5696 | 2017-01-25 15:08:41 +0100 | [diff] [blame] | 92 | tt_name_ascii_from_other( TT_Name entry, |
| 93 | FT_Memory memory ) |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 94 | { |
Werner Lemberg | c8f5b98 | 2010-07-12 21:13:22 +0200 | [diff] [blame] | 95 | FT_String* string = NULL; |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 96 | FT_UInt len, code, n; |
Werner Lemberg | c8f5b98 | 2010-07-12 21:13:22 +0200 | [diff] [blame] | 97 | FT_Byte* read = (FT_Byte*)entry->string; |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 98 | FT_Error error; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 99 | |
| 100 | |
| 101 | len = (FT_UInt)entry->stringLength; |
| 102 | |
David Turner | 6a681fa | 2006-01-27 12:11:22 +0000 | [diff] [blame] | 103 | if ( FT_NEW_ARRAY( string, len + 1 ) ) |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 104 | return NULL; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 105 | |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 106 | for ( n = 0; n < len; n++ ) |
| 107 | { |
| 108 | code = *read++; |
Huw Davies | 3650f80 | 2012-03-14 18:29:57 +0100 | [diff] [blame] | 109 | |
| 110 | if ( code == 0 ) |
| 111 | break; |
| 112 | |
| 113 | if ( code < 32 || code > 127 ) |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 114 | code = '?'; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 115 | |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 116 | string[n] = (char)code; |
| 117 | } |
| 118 | |
Huw Davies | 3650f80 | 2012-03-14 18:29:57 +0100 | [diff] [blame] | 119 | string[n] = 0; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 120 | |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 121 | return string; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 122 | } |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 123 | |
| 124 | |
Werner Lemberg | f4e5696 | 2017-01-25 15:08:41 +0100 | [diff] [blame] | 125 | typedef FT_String* (*TT_Name_ConvertFunc)( TT_Name entry, |
| 126 | FT_Memory memory ); |
David Turner | 791d83a | 2002-05-27 23:52:01 +0000 | [diff] [blame] | 127 | |
Werner Lemberg | 877ff67 | 2002-05-28 06:03:10 +0000 | [diff] [blame] | 128 | |
Werner Lemberg | 1cdac10 | 2015-07-07 14:04:44 +0200 | [diff] [blame] | 129 | /* documentation is in sfnt.h */ |
| 130 | |
| 131 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 9512092 | 2008-11-08 07:20:25 +0000 | [diff] [blame] | 132 | tt_face_get_name( TT_Face face, |
| 133 | FT_UShort nameid, |
| 134 | FT_String** name ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 135 | { |
Werner Lemberg | f4e5696 | 2017-01-25 15:08:41 +0100 | [diff] [blame] | 136 | FT_Memory memory = face->root.memory; |
| 137 | FT_Error error = FT_Err_Ok; |
| 138 | FT_String* result = NULL; |
| 139 | FT_UShort n; |
| 140 | TT_Name rec; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 141 | |
Werner Lemberg | f4e5696 | 2017-01-25 15:08:41 +0100 | [diff] [blame] | 142 | FT_Int found_apple = -1; |
| 143 | FT_Int found_apple_roman = -1; |
| 144 | FT_Int found_apple_english = -1; |
| 145 | FT_Int found_win = -1; |
| 146 | FT_Int found_unicode = -1; |
Werner Lemberg | e9920c6 | 2004-06-02 21:22:32 +0000 | [diff] [blame] | 147 | |
Werner Lemberg | f4e5696 | 2017-01-25 15:08:41 +0100 | [diff] [blame] | 148 | FT_Bool is_english = 0; |
| 149 | |
| 150 | TT_Name_ConvertFunc convert; |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 151 | |
Werner Lemberg | 877ff67 | 2002-05-28 06:03:10 +0000 | [diff] [blame] | 152 | |
Werner Lemberg | 9512092 | 2008-11-08 07:20:25 +0000 | [diff] [blame] | 153 | FT_ASSERT( name ); |
| 154 | |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 155 | rec = face->name_table.names; |
David Turner | df689c2 | 2002-05-01 08:36:12 +0000 | [diff] [blame] | 156 | for ( n = 0; n < face->num_names; n++, rec++ ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 157 | { |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 158 | /* According to the OpenType 1.3 specification, only Microsoft or */ |
| 159 | /* Apple platform IDs might be used in the `name' table. The */ |
| 160 | /* `Unicode' platform is reserved for the `cmap' table, and the */ |
suzuki toshiya | 1e2a446 | 2010-07-09 12:25:59 +0900 | [diff] [blame] | 161 | /* `ISO' one is deprecated. */ |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 162 | /* */ |
| 163 | /* However, the Apple TrueType specification doesn't say the same */ |
| 164 | /* thing and goes to suggest that all Unicode `name' table entries */ |
| 165 | /* should be coded in UTF-16 (in big-endian format I suppose). */ |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 166 | /* */ |
David Turner | 791d83a | 2002-05-27 23:52:01 +0000 | [diff] [blame] | 167 | if ( rec->nameID == nameid && rec->stringLength > 0 ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 168 | { |
David Turner | 28ea6f6 | 2002-03-05 16:12:57 +0000 | [diff] [blame] | 169 | switch ( rec->platformID ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 170 | { |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 171 | case TT_PLATFORM_APPLE_UNICODE: |
| 172 | case TT_PLATFORM_ISO: |
| 173 | /* there is `languageID' to check there. We should use this */ |
| 174 | /* field only as a last solution when nothing else is */ |
| 175 | /* available. */ |
| 176 | /* */ |
| 177 | found_unicode = n; |
| 178 | break; |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 179 | |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 180 | case TT_PLATFORM_MACINTOSH: |
Werner Lemberg | f964455 | 2006-09-12 13:48:10 +0000 | [diff] [blame] | 181 | /* This is a bit special because some fonts will use either */ |
| 182 | /* an English language id, or a Roman encoding id, to indicate */ |
| 183 | /* the English version of its font name. */ |
| 184 | /* */ |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 185 | if ( rec->languageID == TT_MAC_LANGID_ENGLISH ) |
David Turner | f305005 | 2006-09-11 12:00:32 +0000 | [diff] [blame] | 186 | found_apple_english = n; |
| 187 | else if ( rec->encodingID == TT_MAC_ID_ROMAN ) |
| 188 | found_apple_roman = n; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 189 | break; |
| 190 | |
| 191 | case TT_PLATFORM_MICROSOFT: |
| 192 | /* we only take a non-English name when there is nothing */ |
| 193 | /* else available in the font */ |
| 194 | /* */ |
| 195 | if ( found_win == -1 || ( rec->languageID & 0x3FF ) == 0x009 ) |
| 196 | { |
| 197 | switch ( rec->encodingID ) |
David Turner | 28ea6f6 | 2002-03-05 16:12:57 +0000 | [diff] [blame] | 198 | { |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 199 | case TT_MS_ID_SYMBOL_CS: |
| 200 | case TT_MS_ID_UNICODE_CS: |
| 201 | case TT_MS_ID_UCS_4: |
Werner Lemberg | 22ad9ef | 2005-05-09 22:11:36 +0000 | [diff] [blame] | 202 | is_english = FT_BOOL( ( rec->languageID & 0x3FF ) == 0x009 ); |
Werner Lemberg | e9920c6 | 2004-06-02 21:22:32 +0000 | [diff] [blame] | 203 | found_win = n; |
David Turner | 28ea6f6 | 2002-03-05 16:12:57 +0000 | [diff] [blame] | 204 | break; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 205 | |
| 206 | default: |
| 207 | ; |
David Turner | 28ea6f6 | 2002-03-05 16:12:57 +0000 | [diff] [blame] | 208 | } |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 209 | } |
| 210 | break; |
| 211 | |
| 212 | default: |
| 213 | ; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 214 | } |
| 215 | } |
| 216 | } |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 217 | |
David Turner | f305005 | 2006-09-11 12:00:32 +0000 | [diff] [blame] | 218 | found_apple = found_apple_roman; |
| 219 | if ( found_apple_english >= 0 ) |
| 220 | found_apple = found_apple_english; |
| 221 | |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 222 | /* some fonts contain invalid Unicode or Macintosh formatted entries; */ |
| 223 | /* we will thus favor names encoded in Windows formats if available */ |
Werner Lemberg | e9920c6 | 2004-06-02 21:22:32 +0000 | [diff] [blame] | 224 | /* (provided it is an English name) */ |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 225 | /* */ |
David Turner | 791d83a | 2002-05-27 23:52:01 +0000 | [diff] [blame] | 226 | convert = NULL; |
Werner Lemberg | e9920c6 | 2004-06-02 21:22:32 +0000 | [diff] [blame] | 227 | if ( found_win >= 0 && !( found_apple >= 0 && !is_english ) ) |
David Turner | 28ea6f6 | 2002-03-05 16:12:57 +0000 | [diff] [blame] | 228 | { |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 229 | rec = face->name_table.names + found_win; |
| 230 | switch ( rec->encodingID ) |
| 231 | { |
Werner Lemberg | 960ba59 | 2006-12-01 08:20:47 +0000 | [diff] [blame] | 232 | /* all Unicode strings are encoded using UTF-16BE */ |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 233 | case TT_MS_ID_UNICODE_CS: |
| 234 | case TT_MS_ID_SYMBOL_CS: |
Werner Lemberg | f4e5696 | 2017-01-25 15:08:41 +0100 | [diff] [blame] | 235 | convert = tt_name_ascii_from_utf16; |
David Turner | 9207e00 | 2007-01-02 16:58:13 +0000 | [diff] [blame] | 236 | break; |
| 237 | |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 238 | case TT_MS_ID_UCS_4: |
Werner Lemberg | 6b87e6f | 2007-01-02 19:20:08 +0000 | [diff] [blame] | 239 | /* Apparently, if this value is found in a name table entry, it is */ |
| 240 | /* documented as `full Unicode repertoire'. Experience with the */ |
| 241 | /* MsGothic font shipped with Windows Vista shows that this really */ |
| 242 | /* means UTF-16 encoded names (UCS-4 values are only used within */ |
| 243 | /* charmaps). */ |
Werner Lemberg | f4e5696 | 2017-01-25 15:08:41 +0100 | [diff] [blame] | 244 | convert = tt_name_ascii_from_utf16; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 245 | break; |
| 246 | |
| 247 | default: |
| 248 | ; |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 249 | } |
David Turner | 28ea6f6 | 2002-03-05 16:12:57 +0000 | [diff] [blame] | 250 | } |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 251 | else if ( found_apple >= 0 ) |
David Turner | 28ea6f6 | 2002-03-05 16:12:57 +0000 | [diff] [blame] | 252 | { |
David Turner | 791d83a | 2002-05-27 23:52:01 +0000 | [diff] [blame] | 253 | rec = face->name_table.names + found_apple; |
Werner Lemberg | f4e5696 | 2017-01-25 15:08:41 +0100 | [diff] [blame] | 254 | convert = tt_name_ascii_from_other; |
David Turner | 28ea6f6 | 2002-03-05 16:12:57 +0000 | [diff] [blame] | 255 | } |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 256 | else if ( found_unicode >= 0 ) |
| 257 | { |
David Turner | 791d83a | 2002-05-27 23:52:01 +0000 | [diff] [blame] | 258 | rec = face->name_table.names + found_unicode; |
Werner Lemberg | f4e5696 | 2017-01-25 15:08:41 +0100 | [diff] [blame] | 259 | convert = tt_name_ascii_from_utf16; |
David Turner | 56054f3 | 2002-03-30 16:32:47 +0000 | [diff] [blame] | 260 | } |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 261 | |
David Turner | 791d83a | 2002-05-27 23:52:01 +0000 | [diff] [blame] | 262 | if ( rec && convert ) |
| 263 | { |
Werner Lemberg | 4441f7b | 2016-12-26 17:08:17 +0100 | [diff] [blame] | 264 | if ( !rec->string ) |
David Turner | 791d83a | 2002-05-27 23:52:01 +0000 | [diff] [blame] | 265 | { |
David Turner | 791d83a | 2002-05-27 23:52:01 +0000 | [diff] [blame] | 266 | FT_Stream stream = face->name_table.stream; |
| 267 | |
| 268 | |
David Turner | 5290d2f | 2004-06-23 15:44:03 +0000 | [diff] [blame] | 269 | if ( FT_QNEW_ARRAY ( rec->string, rec->stringLength ) || |
David Turner | 791d83a | 2002-05-27 23:52:01 +0000 | [diff] [blame] | 270 | FT_STREAM_SEEK( rec->stringOffset ) || |
| 271 | FT_STREAM_READ( rec->string, rec->stringLength ) ) |
| 272 | { |
| 273 | FT_FREE( rec->string ); |
| 274 | rec->stringLength = 0; |
| 275 | result = NULL; |
| 276 | goto Exit; |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | result = convert( rec, memory ); |
| 281 | } |
| 282 | |
| 283 | Exit: |
Werner Lemberg | 9512092 | 2008-11-08 07:20:25 +0000 | [diff] [blame] | 284 | *name = result; |
| 285 | return error; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 286 | } |
| 287 | |
| 288 | |
Werner Lemberg | 52005c3 | 2001-06-27 23:25:46 +0000 | [diff] [blame] | 289 | static FT_Encoding |
David Turner | fd88e7c | 2002-03-22 15:02:38 +0000 | [diff] [blame] | 290 | sfnt_find_encoding( int platform_id, |
| 291 | int encoding_id ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 292 | { |
Werner Lemberg | 2b0b422 | 2008-05-28 22:17:28 +0000 | [diff] [blame] | 293 | typedef struct TEncoding_ |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 294 | { |
| 295 | int platform_id; |
| 296 | int encoding_id; |
| 297 | FT_Encoding encoding; |
| 298 | |
| 299 | } TEncoding; |
| 300 | |
Werner Lemberg | a8bbc26 | 2000-07-01 14:06:46 +0000 | [diff] [blame] | 301 | static |
| 302 | const TEncoding tt_encodings[] = |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 303 | { |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 304 | { TT_PLATFORM_ISO, -1, FT_ENCODING_UNICODE }, |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 305 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 306 | { TT_PLATFORM_APPLE_UNICODE, -1, FT_ENCODING_UNICODE }, |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 307 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 308 | { TT_PLATFORM_MACINTOSH, TT_MAC_ID_ROMAN, FT_ENCODING_APPLE_ROMAN }, |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 309 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 310 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_SYMBOL_CS, FT_ENCODING_MS_SYMBOL }, |
| 311 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_UCS_4, FT_ENCODING_UNICODE }, |
| 312 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, FT_ENCODING_UNICODE }, |
Werner Lemberg | ed2a8df | 2003-09-01 07:06:06 +0000 | [diff] [blame] | 313 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_SJIS, FT_ENCODING_SJIS }, |
Werner Lemberg | 464b16b | 2017-01-27 08:45:46 +0100 | [diff] [blame] | 314 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_PRC, FT_ENCODING_PRC }, |
Werner Lemberg | ed2a8df | 2003-09-01 07:06:06 +0000 | [diff] [blame] | 315 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_BIG_5, FT_ENCODING_BIG5 }, |
| 316 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_WANSUNG, FT_ENCODING_WANSUNG }, |
| 317 | { TT_PLATFORM_MICROSOFT, TT_MS_ID_JOHAB, FT_ENCODING_JOHAB } |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 318 | }; |
| 319 | |
| 320 | const TEncoding *cur, *limit; |
| 321 | |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 322 | |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 323 | cur = tt_encodings; |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 324 | limit = cur + sizeof ( tt_encodings ) / sizeof ( tt_encodings[0] ); |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 325 | |
| 326 | for ( ; cur < limit; cur++ ) |
| 327 | { |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 328 | if ( cur->platform_id == platform_id ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 329 | { |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 330 | if ( cur->encoding_id == encoding_id || |
| 331 | cur->encoding_id == -1 ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 332 | return cur->encoding; |
| 333 | } |
| 334 | } |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 335 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 336 | return FT_ENCODING_NONE; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 337 | } |
| 338 | |
| 339 | |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 340 | /* Fill in face->ttc_header. If the font is not a TTC, it is */ |
| 341 | /* synthesized into a TTC with one offset table. */ |
| 342 | static FT_Error |
| 343 | sfnt_open_font( FT_Stream stream, |
| 344 | TT_Face face ) |
| 345 | { |
| 346 | FT_Memory memory = stream->memory; |
| 347 | FT_Error error; |
| 348 | FT_ULong tag, offset; |
| 349 | |
| 350 | static const FT_Frame_Field ttc_header_fields[] = |
| 351 | { |
| 352 | #undef FT_STRUCTURE |
| 353 | #define FT_STRUCTURE TTC_HeaderRec |
| 354 | |
| 355 | FT_FRAME_START( 8 ), |
| 356 | FT_FRAME_LONG( version ), |
Werner Lemberg | af7b8b1 | 2011-03-20 07:51:57 +0100 | [diff] [blame] | 357 | FT_FRAME_LONG( count ), /* this is ULong in the specs */ |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 358 | FT_FRAME_END |
| 359 | }; |
| 360 | |
| 361 | |
| 362 | face->ttc_header.tag = 0; |
| 363 | face->ttc_header.version = 0; |
| 364 | face->ttc_header.count = 0; |
| 365 | |
Werner Lemberg | d689d1c | 2013-08-29 17:53:40 +0200 | [diff] [blame] | 366 | retry: |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 367 | offset = FT_STREAM_POS(); |
| 368 | |
| 369 | if ( FT_READ_ULONG( tag ) ) |
| 370 | return error; |
| 371 | |
Werner Lemberg | d689d1c | 2013-08-29 17:53:40 +0200 | [diff] [blame] | 372 | if ( tag == TTAG_wOFF ) |
| 373 | { |
| 374 | FT_TRACE2(( "sfnt_open_font: file is a WOFF; synthesizing SFNT\n" )); |
| 375 | |
| 376 | if ( FT_STREAM_SEEK( offset ) ) |
| 377 | return error; |
| 378 | |
| 379 | error = woff_open_font( stream, face ); |
| 380 | if ( error ) |
| 381 | return error; |
| 382 | |
| 383 | /* Swap out stream and retry! */ |
| 384 | stream = face->root.stream; |
| 385 | goto retry; |
| 386 | } |
| 387 | |
Werner Lemberg | 570b1fd | 2008-10-05 06:08:40 +0000 | [diff] [blame] | 388 | if ( tag != 0x00010000UL && |
| 389 | tag != TTAG_ttcf && |
| 390 | tag != TTAG_OTTO && |
| 391 | tag != TTAG_true && |
| 392 | tag != TTAG_typ1 && |
suzuki toshiya | 5c4e40d | 2017-09-09 00:59:33 +0900 | [diff] [blame] | 393 | tag != TTAG_0xA5kbd && |
| 394 | tag != TTAG_0xA5lst && |
Werner Lemberg | 570b1fd | 2008-10-05 06:08:40 +0000 | [diff] [blame] | 395 | tag != 0x00020000UL ) |
Werner Lemberg | 70cf8c5 | 2011-11-26 20:09:39 +0100 | [diff] [blame] | 396 | { |
| 397 | FT_TRACE2(( " not a font using the SFNT container format\n" )); |
Werner Lemberg | 059bc33 | 2013-03-14 10:27:35 +0100 | [diff] [blame] | 398 | return FT_THROW( Unknown_File_Format ); |
Werner Lemberg | 70cf8c5 | 2011-11-26 20:09:39 +0100 | [diff] [blame] | 399 | } |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 400 | |
| 401 | face->ttc_header.tag = TTAG_ttcf; |
| 402 | |
| 403 | if ( tag == TTAG_ttcf ) |
| 404 | { |
| 405 | FT_Int n; |
| 406 | |
| 407 | |
| 408 | FT_TRACE3(( "sfnt_open_font: file is a collection\n" )); |
| 409 | |
| 410 | if ( FT_STREAM_READ_FIELDS( ttc_header_fields, &face->ttc_header ) ) |
| 411 | return error; |
| 412 | |
Werner Lemberg | 3b125e9 | 2016-12-17 10:02:19 +0100 | [diff] [blame] | 413 | FT_TRACE3(( " with %ld subfonts\n", |
| 414 | face->ttc_header.count )); |
| 415 | |
Werner Lemberg | af7b8b1 | 2011-03-20 07:51:57 +0100 | [diff] [blame] | 416 | if ( face->ttc_header.count == 0 ) |
Werner Lemberg | 059bc33 | 2013-03-14 10:27:35 +0100 | [diff] [blame] | 417 | return FT_THROW( Invalid_Table ); |
Werner Lemberg | af7b8b1 | 2011-03-20 07:51:57 +0100 | [diff] [blame] | 418 | |
| 419 | /* a rough size estimate: let's conservatively assume that there */ |
| 420 | /* is just a single table info in each subfont header (12 + 16*1 = */ |
| 421 | /* 28 bytes), thus we have (at least) `12 + 4*count' bytes for the */ |
| 422 | /* size of the TTC header plus `28*count' bytes for all subfont */ |
| 423 | /* headers */ |
| 424 | if ( (FT_ULong)face->ttc_header.count > stream->size / ( 28 + 4 ) ) |
Werner Lemberg | 059bc33 | 2013-03-14 10:27:35 +0100 | [diff] [blame] | 425 | return FT_THROW( Array_Too_Large ); |
Werner Lemberg | af7b8b1 | 2011-03-20 07:51:57 +0100 | [diff] [blame] | 426 | |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 427 | /* now read the offsets of each font in the file */ |
| 428 | if ( FT_NEW_ARRAY( face->ttc_header.offsets, face->ttc_header.count ) ) |
| 429 | return error; |
| 430 | |
| 431 | if ( FT_FRAME_ENTER( face->ttc_header.count * 4L ) ) |
| 432 | return error; |
| 433 | |
| 434 | for ( n = 0; n < face->ttc_header.count; n++ ) |
| 435 | face->ttc_header.offsets[n] = FT_GET_ULONG(); |
| 436 | |
| 437 | FT_FRAME_EXIT(); |
| 438 | } |
| 439 | else |
| 440 | { |
| 441 | FT_TRACE3(( "sfnt_open_font: synthesize TTC\n" )); |
| 442 | |
| 443 | face->ttc_header.version = 1 << 16; |
| 444 | face->ttc_header.count = 1; |
| 445 | |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 446 | if ( FT_NEW( face->ttc_header.offsets ) ) |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 447 | return error; |
| 448 | |
| 449 | face->ttc_header.offsets[0] = offset; |
| 450 | } |
| 451 | |
| 452 | return error; |
| 453 | } |
| 454 | |
| 455 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 456 | FT_LOCAL_DEF( FT_Error ) |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 457 | sfnt_init_face( FT_Stream stream, |
Werner Lemberg | 52005c3 | 2001-06-27 23:25:46 +0000 | [diff] [blame] | 458 | TT_Face face, |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 459 | FT_Int face_instance_index, |
Werner Lemberg | 52005c3 | 2001-06-27 23:25:46 +0000 | [diff] [blame] | 460 | FT_Int num_params, |
| 461 | FT_Parameter* params ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 462 | { |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 463 | FT_Error error; |
| 464 | FT_Library library = face->root.driver->root.library; |
| 465 | SFNT_Service sfnt; |
| 466 | FT_Int face_index; |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 467 | |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 468 | |
| 469 | /* for now, parameters are unused */ |
David Turner | c6a9220 | 2000-07-04 18:12:13 +0000 | [diff] [blame] | 470 | FT_UNUSED( num_params ); |
| 471 | FT_UNUSED( params ); |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 472 | |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 473 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 474 | sfnt = (SFNT_Service)face->sfnt; |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 475 | if ( !sfnt ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 476 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 477 | sfnt = (SFNT_Service)FT_Get_Module_Interface( library, "sfnt" ); |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 478 | if ( !sfnt ) |
Werner Lemberg | 930e9bf | 2011-11-26 13:38:26 +0100 | [diff] [blame] | 479 | { |
| 480 | FT_ERROR(( "sfnt_init_face: cannot access `sfnt' module\n" )); |
Werner Lemberg | 059bc33 | 2013-03-14 10:27:35 +0100 | [diff] [blame] | 481 | return FT_THROW( Missing_Module ); |
Werner Lemberg | 930e9bf | 2011-11-26 13:38:26 +0100 | [diff] [blame] | 482 | } |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 483 | |
| 484 | face->sfnt = sfnt; |
| 485 | face->goto_table = sfnt->goto_table; |
| 486 | } |
| 487 | |
David Turner | 7760595 | 2003-10-29 21:43:52 +0000 | [diff] [blame] | 488 | FT_FACE_FIND_GLOBAL_SERVICE( face, face->psnames, POSTSCRIPT_CMAPS ); |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 489 | |
Werner Lemberg | c628a7d | 2016-12-14 19:31:42 +0100 | [diff] [blame] | 490 | #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT |
| 491 | if ( !face->mm ) |
| 492 | { |
| 493 | /* we want the MM interface from the `truetype' module only */ |
| 494 | FT_Module tt_module = FT_Get_Module( library, "truetype" ); |
| 495 | |
| 496 | |
| 497 | face->mm = ft_module_get_service( tt_module, |
| 498 | FT_SERVICE_ID_MULTI_MASTERS, |
| 499 | 0 ); |
| 500 | } |
Werner Lemberg | 0918325 | 2016-12-14 20:44:11 +0100 | [diff] [blame] | 501 | |
Seigo Nonaka | 14844ef | 2023-05-02 10:01:38 +0900 | [diff] [blame] | 502 | if ( !face->tt_var ) |
Werner Lemberg | fa437d8 | 2017-01-31 23:06:38 +0100 | [diff] [blame] | 503 | { |
| 504 | /* we want the metrics variations interface */ |
| 505 | /* from the `truetype' module only */ |
| 506 | FT_Module tt_module = FT_Get_Module( library, "truetype" ); |
| 507 | |
| 508 | |
Seigo Nonaka | 14844ef | 2023-05-02 10:01:38 +0900 | [diff] [blame] | 509 | face->tt_var = ft_module_get_service( tt_module, |
| 510 | FT_SERVICE_ID_METRICS_VARIATIONS, |
| 511 | 0 ); |
Werner Lemberg | fa437d8 | 2017-01-31 23:06:38 +0100 | [diff] [blame] | 512 | } |
Seigo Nonaka | 14844ef | 2023-05-02 10:01:38 +0900 | [diff] [blame] | 513 | |
| 514 | if ( !face->face_var ) |
| 515 | face->face_var = ft_module_get_service( |
| 516 | &face->root.driver->root, |
| 517 | FT_SERVICE_ID_METRICS_VARIATIONS, |
| 518 | 0 ); |
Werner Lemberg | c628a7d | 2016-12-14 19:31:42 +0100 | [diff] [blame] | 519 | #endif |
| 520 | |
Werner Lemberg | 70cf8c5 | 2011-11-26 20:09:39 +0100 | [diff] [blame] | 521 | FT_TRACE2(( "SFNT driver\n" )); |
| 522 | |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 523 | error = sfnt_open_font( stream, face ); |
| 524 | if ( error ) |
| 525 | return error; |
| 526 | |
Werner Lemberg | d689d1c | 2013-08-29 17:53:40 +0200 | [diff] [blame] | 527 | /* Stream may have changed in sfnt_open_font. */ |
| 528 | stream = face->root.stream; |
| 529 | |
Werner Lemberg | 8ed5346 | 2018-07-25 22:07:22 +0200 | [diff] [blame] | 530 | FT_TRACE2(( "sfnt_init_face: %08p (index %d)\n", |
| 531 | face, |
| 532 | face_instance_index )); |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 533 | |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 534 | face_index = FT_ABS( face_instance_index ) & 0xFFFF; |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 535 | |
Werner Lemberg | 63765a8 | 2017-01-01 10:43:41 +0100 | [diff] [blame] | 536 | /* value -(N+1) requests information on index N */ |
| 537 | if ( face_instance_index < 0 ) |
| 538 | face_index--; |
| 539 | |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 540 | if ( face_index >= face->ttc_header.count ) |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 541 | { |
| 542 | if ( face_instance_index >= 0 ) |
| 543 | return FT_THROW( Invalid_Argument ); |
| 544 | else |
| 545 | face_index = 0; |
| 546 | } |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 547 | |
| 548 | if ( FT_STREAM_SEEK( face->ttc_header.offsets[face_index] ) ) |
| 549 | return error; |
| 550 | |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 551 | /* check whether we have a valid TrueType file */ |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 552 | error = sfnt->load_font_dir( face, stream ); |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 553 | if ( error ) |
Wu, Chia-I (吳佳一) | 65863a5 | 2006-02-14 07:01:29 +0000 | [diff] [blame] | 554 | return error; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 555 | |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 556 | #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT |
| 557 | { |
Werner Lemberg | d5bfa05 | 2017-03-17 21:47:54 +0100 | [diff] [blame] | 558 | FT_Memory memory = face->root.memory; |
| 559 | |
Werner Lemberg | 4f7f6f6 | 2015-10-11 07:55:25 +0200 | [diff] [blame] | 560 | FT_ULong fvar_len; |
| 561 | |
| 562 | FT_ULong version; |
| 563 | FT_ULong offset; |
| 564 | |
| 565 | FT_UShort num_axes; |
| 566 | FT_UShort axis_size; |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 567 | FT_UShort num_instances; |
Werner Lemberg | 4f7f6f6 | 2015-10-11 07:55:25 +0200 | [diff] [blame] | 568 | FT_UShort instance_size; |
| 569 | |
| 570 | FT_Int instance_index; |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 571 | |
Werner Lemberg | 27fee7f | 2017-03-06 20:45:44 +0100 | [diff] [blame] | 572 | FT_Byte* default_values = NULL; |
| 573 | FT_Byte* instance_values = NULL; |
| 574 | |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 575 | |
| 576 | instance_index = FT_ABS( face_instance_index ) >> 16; |
| 577 | |
| 578 | /* test whether current face is a GX font with named instances */ |
| 579 | if ( face->goto_table( face, TTAG_fvar, stream, &fvar_len ) || |
| 580 | fvar_len < 20 || |
Werner Lemberg | 4f7f6f6 | 2015-10-11 07:55:25 +0200 | [diff] [blame] | 581 | FT_READ_ULONG( version ) || |
| 582 | FT_READ_USHORT( offset ) || |
Werner Lemberg | 99fb3c3 | 2017-03-05 11:32:41 +0100 | [diff] [blame] | 583 | FT_STREAM_SKIP( 2 ) /* reserved */ || |
Werner Lemberg | 4f7f6f6 | 2015-10-11 07:55:25 +0200 | [diff] [blame] | 584 | FT_READ_USHORT( num_axes ) || |
| 585 | FT_READ_USHORT( axis_size ) || |
| 586 | FT_READ_USHORT( num_instances ) || |
| 587 | FT_READ_USHORT( instance_size ) ) |
| 588 | { |
| 589 | version = 0; |
Werner Lemberg | e93d326 | 2015-10-22 10:17:20 +0200 | [diff] [blame] | 590 | offset = 0; |
Werner Lemberg | 4f7f6f6 | 2015-10-11 07:55:25 +0200 | [diff] [blame] | 591 | num_axes = 0; |
| 592 | axis_size = 0; |
| 593 | num_instances = 0; |
| 594 | instance_size = 0; |
| 595 | } |
| 596 | |
Werner Lemberg | 25f3ac2 | 2016-12-18 15:50:18 +0100 | [diff] [blame] | 597 | /* check that the data is bound by the table length */ |
Werner Lemberg | 4f7f6f6 | 2015-10-11 07:55:25 +0200 | [diff] [blame] | 598 | if ( version != 0x00010000UL || |
| 599 | axis_size != 20 || |
Werner Lemberg | 7c75b16 | 2016-12-17 13:28:24 +0100 | [diff] [blame] | 600 | num_axes == 0 || |
Werner Lemberg | 25f3ac2 | 2016-12-18 15:50:18 +0100 | [diff] [blame] | 601 | /* `num_axes' limit implied by 16-bit `instance_size' */ |
Werner Lemberg | 4f7f6f6 | 2015-10-11 07:55:25 +0200 | [diff] [blame] | 602 | num_axes > 0x3FFE || |
Werner Lemberg | 25f3ac2 | 2016-12-18 15:50:18 +0100 | [diff] [blame] | 603 | !( instance_size == 4 + 4 * num_axes || |
| 604 | instance_size == 6 + 4 * num_axes ) || |
Werner Lemberg | 99fb3c3 | 2017-03-05 11:32:41 +0100 | [diff] [blame] | 605 | /* `num_instances' limit implied by limited range of name IDs */ |
Werner Lemberg | 4f7f6f6 | 2015-10-11 07:55:25 +0200 | [diff] [blame] | 606 | num_instances > 0x7EFF || |
| 607 | offset + |
| 608 | axis_size * num_axes + |
| 609 | instance_size * num_instances > fvar_len ) |
Werner Lemberg | 64a9113 | 2016-12-21 19:30:33 +0100 | [diff] [blame] | 610 | num_instances = 0; |
Werner Lemberg | 25f3ac2 | 2016-12-18 15:50:18 +0100 | [diff] [blame] | 611 | else |
Werner Lemberg | 64a9113 | 2016-12-21 19:30:33 +0100 | [diff] [blame] | 612 | face->variation_support |= TT_FACE_FLAG_VAR_FVAR; |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 613 | |
Werner Lemberg | 27fee7f | 2017-03-06 20:45:44 +0100 | [diff] [blame] | 614 | /* |
Werner Lemberg | 9ac9060 | 2018-06-03 09:01:17 +0200 | [diff] [blame] | 615 | * As documented in the OpenType specification, an entry for the |
| 616 | * default instance may be omitted in the named instance table. In |
| 617 | * particular this means that even if there is no named instance |
| 618 | * table in the font we actually do have a named instance, namely the |
| 619 | * default instance. |
Werner Lemberg | 27fee7f | 2017-03-06 20:45:44 +0100 | [diff] [blame] | 620 | * |
Werner Lemberg | 9ac9060 | 2018-06-03 09:01:17 +0200 | [diff] [blame] | 621 | * For consistency, we always want the default instance in our list |
| 622 | * of named instances. If it is missing, we try to synthesize it |
| 623 | * later on. Here, we have to adjust `num_instances' accordingly. |
Werner Lemberg | 27fee7f | 2017-03-06 20:45:44 +0100 | [diff] [blame] | 624 | */ |
| 625 | |
Werner Lemberg | 6342da9 | 2017-03-20 05:36:41 +0100 | [diff] [blame] | 626 | if ( ( face->variation_support & TT_FACE_FLAG_VAR_FVAR ) && |
Werner Lemberg | 913f436 | 2017-03-23 18:37:06 +0100 | [diff] [blame] | 627 | !( FT_ALLOC( default_values, num_axes * 4 ) || |
| 628 | FT_ALLOC( instance_values, num_axes * 4 ) ) ) |
Werner Lemberg | 27fee7f | 2017-03-06 20:45:44 +0100 | [diff] [blame] | 629 | { |
| 630 | /* the current stream position is 16 bytes after the table start */ |
| 631 | FT_ULong array_start = FT_STREAM_POS() - 16 + offset; |
| 632 | FT_ULong default_value_offset, instance_offset; |
| 633 | |
| 634 | FT_Byte* p; |
| 635 | FT_UInt i; |
| 636 | |
| 637 | |
| 638 | default_value_offset = array_start + 8; |
| 639 | p = default_values; |
| 640 | |
| 641 | for ( i = 0; i < num_axes; i++ ) |
| 642 | { |
Werner Lemberg | 913f436 | 2017-03-23 18:37:06 +0100 | [diff] [blame] | 643 | (void)FT_STREAM_READ_AT( default_value_offset, p, 4 ); |
Werner Lemberg | 27fee7f | 2017-03-06 20:45:44 +0100 | [diff] [blame] | 644 | |
| 645 | default_value_offset += axis_size; |
Werner Lemberg | 913f436 | 2017-03-23 18:37:06 +0100 | [diff] [blame] | 646 | p += 4; |
Werner Lemberg | 27fee7f | 2017-03-06 20:45:44 +0100 | [diff] [blame] | 647 | } |
| 648 | |
| 649 | instance_offset = array_start + axis_size * num_axes + 4; |
| 650 | |
| 651 | for ( i = 0; i < num_instances; i++ ) |
| 652 | { |
| 653 | (void)FT_STREAM_READ_AT( instance_offset, |
| 654 | instance_values, |
Werner Lemberg | 913f436 | 2017-03-23 18:37:06 +0100 | [diff] [blame] | 655 | num_axes * 4 ); |
Werner Lemberg | 27fee7f | 2017-03-06 20:45:44 +0100 | [diff] [blame] | 656 | |
Werner Lemberg | 913f436 | 2017-03-23 18:37:06 +0100 | [diff] [blame] | 657 | if ( !ft_memcmp( default_values, instance_values, num_axes * 4 ) ) |
Werner Lemberg | 27fee7f | 2017-03-06 20:45:44 +0100 | [diff] [blame] | 658 | break; |
| 659 | |
| 660 | instance_offset += instance_size; |
| 661 | } |
| 662 | |
| 663 | if ( i == num_instances ) |
| 664 | { |
| 665 | /* no default instance in named instance table; */ |
| 666 | /* we thus have to synthesize it */ |
| 667 | num_instances++; |
| 668 | } |
| 669 | } |
| 670 | |
| 671 | FT_FREE( default_values ); |
| 672 | FT_FREE( instance_values ); |
| 673 | |
Werner Lemberg | 7bbb91f | 2017-03-08 15:09:41 +0100 | [diff] [blame] | 674 | /* we don't support Multiple Master CFFs yet; */ |
| 675 | /* note that `glyf' or `CFF2' have precedence */ |
Werner Lemberg | 7793097 | 2017-03-07 17:27:58 +0100 | [diff] [blame] | 676 | if ( face->goto_table( face, TTAG_glyf, stream, 0 ) && |
Werner Lemberg | 7bbb91f | 2017-03-08 15:09:41 +0100 | [diff] [blame] | 677 | face->goto_table( face, TTAG_CFF2, stream, 0 ) && |
Werner Lemberg | 7793097 | 2017-03-07 17:27:58 +0100 | [diff] [blame] | 678 | !face->goto_table( face, TTAG_CFF, stream, 0 ) ) |
| 679 | num_instances = 0; |
| 680 | |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 681 | /* instance indices in `face_instance_index' start with index 1, */ |
| 682 | /* thus `>' and not `>=' */ |
| 683 | if ( instance_index > num_instances ) |
| 684 | { |
| 685 | if ( face_instance_index >= 0 ) |
| 686 | return FT_THROW( Invalid_Argument ); |
| 687 | else |
| 688 | num_instances = 0; |
| 689 | } |
| 690 | |
| 691 | face->root.style_flags = (FT_Long)num_instances << 16; |
| 692 | } |
| 693 | #endif |
| 694 | |
Werner Lemberg | 1ad384d | 2008-12-25 23:52:00 +0000 | [diff] [blame] | 695 | face->root.num_faces = face->ttc_header.count; |
Werner Lemberg | ee3f36f | 2016-07-14 10:25:20 +0200 | [diff] [blame] | 696 | face->root.face_index = face_instance_index; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 697 | |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 698 | return error; |
| 699 | } |
| 700 | |
| 701 | |
Werner Lemberg | 89f5064 | 2013-03-14 17:50:49 +0100 | [diff] [blame] | 702 | #define LOAD_( x ) \ |
Werner Lemberg | a44b784 | 2013-12-02 09:52:38 +0100 | [diff] [blame] | 703 | do \ |
| 704 | { \ |
Werner Lemberg | 89f5064 | 2013-03-14 17:50:49 +0100 | [diff] [blame] | 705 | FT_TRACE2(( "`" #x "' " )); \ |
| 706 | FT_TRACE3(( "-->\n" )); \ |
| 707 | \ |
| 708 | error = sfnt->load_ ## x( face, stream ); \ |
| 709 | \ |
| 710 | FT_TRACE2(( "%s\n", ( !error ) \ |
| 711 | ? "loaded" \ |
| 712 | : FT_ERR_EQ( error, Table_Missing ) \ |
| 713 | ? "missing" \ |
| 714 | : "failed to load" )); \ |
| 715 | FT_TRACE3(( "\n" )); \ |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 716 | } while ( 0 ) |
| 717 | |
Werner Lemberg | 89f5064 | 2013-03-14 17:50:49 +0100 | [diff] [blame] | 718 | #define LOADM_( x, vertical ) \ |
Werner Lemberg | a44b784 | 2013-12-02 09:52:38 +0100 | [diff] [blame] | 719 | do \ |
| 720 | { \ |
Werner Lemberg | 89f5064 | 2013-03-14 17:50:49 +0100 | [diff] [blame] | 721 | FT_TRACE2(( "`%s" #x "' ", \ |
| 722 | vertical ? "vertical " : "" )); \ |
| 723 | FT_TRACE3(( "-->\n" )); \ |
| 724 | \ |
| 725 | error = sfnt->load_ ## x( face, stream, vertical ); \ |
| 726 | \ |
| 727 | FT_TRACE2(( "%s\n", ( !error ) \ |
| 728 | ? "loaded" \ |
| 729 | : FT_ERR_EQ( error, Table_Missing ) \ |
| 730 | ? "missing" \ |
| 731 | : "failed to load" )); \ |
| 732 | FT_TRACE3(( "\n" )); \ |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 733 | } while ( 0 ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 734 | |
Werner Lemberg | d77b1ea | 2012-08-27 05:48:23 +0200 | [diff] [blame] | 735 | #define GET_NAME( id, field ) \ |
Werner Lemberg | a44b784 | 2013-12-02 09:52:38 +0100 | [diff] [blame] | 736 | do \ |
| 737 | { \ |
Werner Lemberg | d77b1ea | 2012-08-27 05:48:23 +0200 | [diff] [blame] | 738 | error = tt_face_get_name( face, TT_NAME_ID_ ## id, field ); \ |
| 739 | if ( error ) \ |
| 740 | goto Exit; \ |
Werner Lemberg | 9512092 | 2008-11-08 07:20:25 +0000 | [diff] [blame] | 741 | } while ( 0 ) |
| 742 | |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 743 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 744 | FT_LOCAL_DEF( FT_Error ) |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 745 | sfnt_load_face( FT_Stream stream, |
Werner Lemberg | 52005c3 | 2001-06-27 23:25:46 +0000 | [diff] [blame] | 746 | TT_Face face, |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 747 | FT_Int face_instance_index, |
Werner Lemberg | 52005c3 | 2001-06-27 23:25:46 +0000 | [diff] [blame] | 748 | FT_Int num_params, |
| 749 | FT_Parameter* params ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 750 | { |
Werner Lemberg | ce1bad0 | 2008-10-01 22:46:26 +0000 | [diff] [blame] | 751 | FT_Error error; |
| 752 | #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES |
| 753 | FT_Error psnames_error; |
| 754 | #endif |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 755 | FT_Bool has_outline; |
| 756 | FT_Bool is_apple_sbit; |
Behdad Esfahbod | 778a7e6 | 2013-07-19 14:28:28 +0200 | [diff] [blame] | 757 | FT_Bool is_apple_sbix; |
Werner Lemberg | 713d68e | 2018-02-17 18:35:15 +0100 | [diff] [blame] | 758 | FT_Bool has_CBLC; |
| 759 | FT_Bool has_CBDT; |
Werner Lemberg | 141f0ea | 2017-01-24 17:00:36 +0100 | [diff] [blame] | 760 | FT_Bool ignore_typographic_family = FALSE; |
| 761 | FT_Bool ignore_typographic_subfamily = FALSE; |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 762 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 763 | SFNT_Service sfnt = (SFNT_Service)face->sfnt; |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 764 | |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 765 | FT_UNUSED( face_instance_index ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 766 | |
Werner Lemberg | d77b1ea | 2012-08-27 05:48:23 +0200 | [diff] [blame] | 767 | |
suzuki toshiya | 75852ed | 2010-01-29 23:18:34 +0900 | [diff] [blame] | 768 | /* Check parameters */ |
Werner Lemberg | af7b8b1 | 2011-03-20 07:51:57 +0100 | [diff] [blame] | 769 | |
suzuki toshiya | 75852ed | 2010-01-29 23:18:34 +0900 | [diff] [blame] | 770 | { |
| 771 | FT_Int i; |
| 772 | |
| 773 | |
| 774 | for ( i = 0; i < num_params; i++ ) |
| 775 | { |
Werner Lemberg | 141f0ea | 2017-01-24 17:00:36 +0100 | [diff] [blame] | 776 | if ( params[i].tag == FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY ) |
| 777 | ignore_typographic_family = TRUE; |
| 778 | else if ( params[i].tag == FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY ) |
| 779 | ignore_typographic_subfamily = TRUE; |
suzuki toshiya | 75852ed | 2010-01-29 23:18:34 +0900 | [diff] [blame] | 780 | } |
| 781 | } |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 782 | |
| 783 | /* Load tables */ |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 784 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 785 | /* We now support two SFNT-based bitmapped font formats. They */ |
| 786 | /* are recognized easily as they do not include a `glyf' */ |
| 787 | /* table. */ |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 788 | /* */ |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 789 | /* The first format comes from Apple, and uses a table named */ |
| 790 | /* `bhed' instead of `head' to store the font header (using */ |
| 791 | /* the same format). It also doesn't include horizontal and */ |
| 792 | /* vertical metrics tables (i.e. `hhea' and `vhea' tables are */ |
| 793 | /* missing). */ |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 794 | /* */ |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 795 | /* The other format comes from Microsoft, and is used with */ |
| 796 | /* WinCE/PocketPC. It looks like a standard TTF, except that */ |
| 797 | /* it doesn't contain outlines. */ |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 798 | /* */ |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 799 | |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 800 | FT_TRACE2(( "sfnt_load_face: %08p\n\n", face )); |
| 801 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 802 | /* do we have outlines in there? */ |
Graham Asher | cd0d1df | 2002-07-18 16:38:07 +0000 | [diff] [blame] | 803 | #ifdef FT_CONFIG_OPTION_INCREMENTAL |
Werner Lemberg | 4441f7b | 2016-12-26 17:08:17 +0100 | [diff] [blame] | 804 | has_outline = FT_BOOL( face->root.internal->incremental_interface || |
| 805 | tt_face_lookup_table( face, TTAG_glyf ) || |
| 806 | tt_face_lookup_table( face, TTAG_CFF ) || |
| 807 | tt_face_lookup_table( face, TTAG_CFF2 ) ); |
Graham Asher | cd0d1df | 2002-07-18 16:38:07 +0000 | [diff] [blame] | 808 | #else |
Werner Lemberg | 4441f7b | 2016-12-26 17:08:17 +0100 | [diff] [blame] | 809 | has_outline = FT_BOOL( tt_face_lookup_table( face, TTAG_glyf ) || |
| 810 | tt_face_lookup_table( face, TTAG_CFF ) || |
| 811 | tt_face_lookup_table( face, TTAG_CFF2 ) ); |
Graham Asher | cd0d1df | 2002-07-18 16:38:07 +0000 | [diff] [blame] | 812 | #endif |
| 813 | |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 814 | is_apple_sbit = 0; |
Behdad Esfahbod | 778a7e6 | 2013-07-19 14:28:28 +0200 | [diff] [blame] | 815 | is_apple_sbix = !face->goto_table( face, TTAG_sbix, stream, 0 ); |
| 816 | |
| 817 | /* Apple 'sbix' color bitmaps are rendered scaled and then the 'glyf' |
| 818 | * outline rendered on top. We don't support that yet, so just ignore |
| 819 | * the 'glyf' outline and advertise it as a bitmap-only font. */ |
| 820 | if ( is_apple_sbix ) |
| 821 | has_outline = FALSE; |
| 822 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 823 | /* if this font doesn't contain outlines, we try to load */ |
| 824 | /* a `bhed' table */ |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 825 | if ( !has_outline && sfnt->load_bhed ) |
| 826 | { |
| 827 | LOAD_( bhed ); |
Werner Lemberg | 5a73d8d | 2006-03-20 16:55:32 +0000 | [diff] [blame] | 828 | is_apple_sbit = FT_BOOL( !error ); |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 829 | } |
Werner Lemberg | 9a814fa | 2000-08-06 19:48:47 +0000 | [diff] [blame] | 830 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 831 | /* load the font header (`head' table) if this isn't an Apple */ |
| 832 | /* sbit font file */ |
Behdad Esfahbod | 778a7e6 | 2013-07-19 14:28:28 +0200 | [diff] [blame] | 833 | if ( !is_apple_sbit || is_apple_sbix ) |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 834 | { |
| 835 | LOAD_( head ); |
| 836 | if ( error ) |
| 837 | goto Exit; |
| 838 | } |
| 839 | |
Werner Lemberg | 713d68e | 2018-02-17 18:35:15 +0100 | [diff] [blame] | 840 | has_CBLC = !face->goto_table( face, TTAG_CBLC, stream, 0 ); |
| 841 | has_CBDT = !face->goto_table( face, TTAG_CBDT, stream, 0 ); |
| 842 | |
| 843 | /* Ignore outlines for CBLC/CBDT fonts. */ |
| 844 | if ( has_CBLC || has_CBDT ) |
| 845 | has_outline = FALSE; |
| 846 | |
Werner Lemberg | ce36777 | 2017-08-01 08:24:51 +0200 | [diff] [blame] | 847 | /* OpenType 1.8.2 introduced limits to this value; */ |
| 848 | /* however, they make sense for older SFNT fonts also */ |
| 849 | if ( face->header.Units_Per_EM < 16 || |
| 850 | face->header.Units_Per_EM > 16384 ) |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 851 | { |
Werner Lemberg | 059bc33 | 2013-03-14 10:27:35 +0100 | [diff] [blame] | 852 | error = FT_THROW( Invalid_Table ); |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 853 | |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 854 | goto Exit; |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 855 | } |
Werner Lemberg | 9a814fa | 2000-08-06 19:48:47 +0000 | [diff] [blame] | 856 | |
Werner Lemberg | 60a1fab | 2002-02-08 06:23:50 +0000 | [diff] [blame] | 857 | /* the following tables are often not present in embedded TrueType */ |
| 858 | /* fonts within PDF documents, so don't check for them. */ |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 859 | LOAD_( maxp ); |
| 860 | LOAD_( cmap ); |
David Turner | 617a2e1 | 2002-02-27 21:25:47 +0000 | [diff] [blame] | 861 | |
Werner Lemberg | 0d53511 | 2001-12-19 22:26:12 +0000 | [diff] [blame] | 862 | /* the following tables are optional in PCL fonts -- */ |
| 863 | /* don't check for errors */ |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 864 | LOAD_( name ); |
| 865 | LOAD_( post ); |
Werner Lemberg | ce1bad0 | 2008-10-01 22:46:26 +0000 | [diff] [blame] | 866 | |
| 867 | #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 868 | psnames_error = error; |
Werner Lemberg | ce1bad0 | 2008-10-01 22:46:26 +0000 | [diff] [blame] | 869 | #endif |
Werner Lemberg | 9a814fa | 2000-08-06 19:48:47 +0000 | [diff] [blame] | 870 | |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 871 | /* do not load the metrics headers and tables if this is an Apple */ |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 872 | /* sbit font file */ |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 873 | if ( !is_apple_sbit ) |
Werner Lemberg | 9a814fa | 2000-08-06 19:48:47 +0000 | [diff] [blame] | 874 | { |
Wu, Chia-I (吳佳一) | 9a2b3b6 | 2006-02-14 08:37:03 +0000 | [diff] [blame] | 875 | /* load the `hhea' and `hmtx' tables */ |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 876 | LOADM_( hhea, 0 ); |
Wu, Chia-I (吳佳一) | 9a2b3b6 | 2006-02-14 08:37:03 +0000 | [diff] [blame] | 877 | if ( !error ) |
| 878 | { |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 879 | LOADM_( hmtx, 0 ); |
Werner Lemberg | 89f5064 | 2013-03-14 17:50:49 +0100 | [diff] [blame] | 880 | if ( FT_ERR_EQ( error, Table_Missing ) ) |
Wu, Chia-I (吳佳一) | 9a2b3b6 | 2006-02-14 08:37:03 +0000 | [diff] [blame] | 881 | { |
Werner Lemberg | 059bc33 | 2013-03-14 10:27:35 +0100 | [diff] [blame] | 882 | error = FT_THROW( Hmtx_Table_Missing ); |
Wu, Chia-I (吳佳一) | 9a2b3b6 | 2006-02-14 08:37:03 +0000 | [diff] [blame] | 883 | |
| 884 | #ifdef FT_CONFIG_OPTION_INCREMENTAL |
| 885 | /* If this is an incrementally loaded font and there are */ |
| 886 | /* overriding metrics, tolerate a missing `hmtx' table. */ |
| 887 | if ( face->root.internal->incremental_interface && |
| 888 | face->root.internal->incremental_interface->funcs-> |
| 889 | get_glyph_metrics ) |
| 890 | { |
| 891 | face->horizontal.number_Of_HMetrics = 0; |
Werner Lemberg | e3c9301 | 2013-03-14 11:21:17 +0100 | [diff] [blame] | 892 | error = FT_Err_Ok; |
Wu, Chia-I (吳佳一) | 9a2b3b6 | 2006-02-14 08:37:03 +0000 | [diff] [blame] | 893 | } |
| 894 | #endif |
| 895 | } |
| 896 | } |
Werner Lemberg | 89f5064 | 2013-03-14 17:50:49 +0100 | [diff] [blame] | 897 | else if ( FT_ERR_EQ( error, Table_Missing ) ) |
Wu, Chia-I (吳佳一) | 9a2b3b6 | 2006-02-14 08:37:03 +0000 | [diff] [blame] | 898 | { |
| 899 | /* No `hhea' table necessary for SFNT Mac fonts. */ |
| 900 | if ( face->format_tag == TTAG_true ) |
| 901 | { |
Werner Lemberg | 5225402 | 2006-02-15 06:05:52 +0000 | [diff] [blame] | 902 | FT_TRACE2(( "This is an SFNT Mac font.\n" )); |
Werner Lemberg | b511999 | 2011-07-03 09:46:32 +0200 | [diff] [blame] | 903 | |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 904 | has_outline = 0; |
Werner Lemberg | e3c9301 | 2013-03-14 11:21:17 +0100 | [diff] [blame] | 905 | error = FT_Err_Ok; |
Wu, Chia-I (吳佳一) | 9a2b3b6 | 2006-02-14 08:37:03 +0000 | [diff] [blame] | 906 | } |
| 907 | else |
Werner Lemberg | fcc1f47 | 2007-04-10 11:51:50 +0000 | [diff] [blame] | 908 | { |
Werner Lemberg | 059bc33 | 2013-03-14 10:27:35 +0100 | [diff] [blame] | 909 | error = FT_THROW( Horiz_Header_Missing ); |
Werner Lemberg | fcc1f47 | 2007-04-10 11:51:50 +0000 | [diff] [blame] | 910 | |
| 911 | #ifdef FT_CONFIG_OPTION_INCREMENTAL |
| 912 | /* If this is an incrementally loaded font and there are */ |
| 913 | /* overriding metrics, tolerate a missing `hhea' table. */ |
| 914 | if ( face->root.internal->incremental_interface && |
| 915 | face->root.internal->incremental_interface->funcs-> |
| 916 | get_glyph_metrics ) |
| 917 | { |
| 918 | face->horizontal.number_Of_HMetrics = 0; |
Werner Lemberg | e3c9301 | 2013-03-14 11:21:17 +0100 | [diff] [blame] | 919 | error = FT_Err_Ok; |
Werner Lemberg | fcc1f47 | 2007-04-10 11:51:50 +0000 | [diff] [blame] | 920 | } |
| 921 | #endif |
| 922 | |
| 923 | } |
Wu, Chia-I (吳佳一) | 9a2b3b6 | 2006-02-14 08:37:03 +0000 | [diff] [blame] | 924 | } |
| 925 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 926 | if ( error ) |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 927 | goto Exit; |
Werner Lemberg | 415235d | 2001-06-28 17:49:10 +0000 | [diff] [blame] | 928 | |
Wu, Chia-I (吳佳一) | 9a2b3b6 | 2006-02-14 08:37:03 +0000 | [diff] [blame] | 929 | /* try to load the `vhea' and `vmtx' tables */ |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 930 | LOADM_( hhea, 1 ); |
Wu, Chia-I (吳佳一) | 9a2b3b6 | 2006-02-14 08:37:03 +0000 | [diff] [blame] | 931 | if ( !error ) |
| 932 | { |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 933 | LOADM_( hmtx, 1 ); |
Wu, Chia-I (吳佳一) | 9a2b3b6 | 2006-02-14 08:37:03 +0000 | [diff] [blame] | 934 | if ( !error ) |
| 935 | face->vertical_info = 1; |
| 936 | } |
| 937 | |
Werner Lemberg | 89f5064 | 2013-03-14 17:50:49 +0100 | [diff] [blame] | 938 | if ( error && FT_ERR_NEQ( error, Table_Missing ) ) |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 939 | goto Exit; |
Werner Lemberg | 415235d | 2001-06-28 17:49:10 +0000 | [diff] [blame] | 940 | |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 941 | LOAD_( os2 ); |
| 942 | if ( error ) |
| 943 | { |
Werner Lemberg | fa764cf | 2010-11-18 13:08:52 +0100 | [diff] [blame] | 944 | /* we treat the table as missing if there are any errors */ |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 945 | face->os2.version = 0xFFFFU; |
| 946 | } |
Werner Lemberg | 9a814fa | 2000-08-06 19:48:47 +0000 | [diff] [blame] | 947 | } |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 948 | |
| 949 | /* the optional tables */ |
| 950 | |
Werner Lemberg | 76fffcd | 2008-12-05 18:37:44 +0000 | [diff] [blame] | 951 | /* embedded bitmap support */ |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 952 | if ( sfnt->load_eblc ) |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 953 | LOAD_( eblc ); |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 954 | |
Werner Lemberg | 54b332a | 2018-06-13 08:46:27 +0200 | [diff] [blame] | 955 | /* colored glyph support */ |
| 956 | if ( sfnt->load_cpal ) |
Shao Yu Zhang | f04d817 | 2018-05-13 03:25:09 +0200 | [diff] [blame] | 957 | { |
Werner Lemberg | 54b332a | 2018-06-13 08:46:27 +0200 | [diff] [blame] | 958 | LOAD_( cpal ); |
Shao Yu Zhang | f04d817 | 2018-05-13 03:25:09 +0200 | [diff] [blame] | 959 | LOAD_( colr ); |
| 960 | } |
| 961 | |
Werner Lemberg | 624b680 | 2017-01-03 09:42:41 +0100 | [diff] [blame] | 962 | /* consider the pclt, kerning, and gasp tables as optional */ |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 963 | LOAD_( pclt ); |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 964 | LOAD_( gasp ); |
| 965 | LOAD_( kern ); |
David Turner | e568027 | 2005-02-26 00:12:04 +0000 | [diff] [blame] | 966 | |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 967 | face->root.num_glyphs = face->max_profile.numGlyphs; |
| 968 | |
Werner Lemberg | 7d9c189 | 2007-10-21 08:12:30 +0000 | [diff] [blame] | 969 | /* Bit 8 of the `fsSelection' field in the `OS/2' table denotes */ |
| 970 | /* a WWS-only font face. `WWS' stands for `weight', width', and */ |
| 971 | /* `slope', a term used by Microsoft's Windows Presentation */ |
Werner Lemberg | e7aad02 | 2008-11-08 22:00:55 +0000 | [diff] [blame] | 972 | /* Foundation (WPF). This flag has been introduced in version */ |
| 973 | /* 1.5 of the OpenType specification (May 2008). */ |
Werner Lemberg | 91d0f1e | 2004-07-25 08:43:35 +0000 | [diff] [blame] | 974 | |
suzuki toshiya | c9669a8 | 2010-01-30 02:24:25 +0900 | [diff] [blame] | 975 | face->root.family_name = NULL; |
| 976 | face->root.style_name = NULL; |
Werner Lemberg | 7d9c189 | 2007-10-21 08:12:30 +0000 | [diff] [blame] | 977 | if ( face->os2.version != 0xFFFFU && face->os2.fsSelection & 256 ) |
Werner Lemberg | 7d9c189 | 2007-10-21 08:12:30 +0000 | [diff] [blame] | 978 | { |
Werner Lemberg | 141f0ea | 2017-01-24 17:00:36 +0100 | [diff] [blame] | 979 | if ( !ignore_typographic_family ) |
| 980 | GET_NAME( TYPOGRAPHIC_FAMILY, &face->root.family_name ); |
suzuki toshiya | c9669a8 | 2010-01-30 02:24:25 +0900 | [diff] [blame] | 981 | if ( !face->root.family_name ) |
| 982 | GET_NAME( FONT_FAMILY, &face->root.family_name ); |
Werner Lemberg | 7d9c189 | 2007-10-21 08:12:30 +0000 | [diff] [blame] | 983 | |
Werner Lemberg | 141f0ea | 2017-01-24 17:00:36 +0100 | [diff] [blame] | 984 | if ( !ignore_typographic_subfamily ) |
| 985 | GET_NAME( TYPOGRAPHIC_SUBFAMILY, &face->root.style_name ); |
suzuki toshiya | c9669a8 | 2010-01-30 02:24:25 +0900 | [diff] [blame] | 986 | if ( !face->root.style_name ) |
| 987 | GET_NAME( FONT_SUBFAMILY, &face->root.style_name ); |
Werner Lemberg | 7d9c189 | 2007-10-21 08:12:30 +0000 | [diff] [blame] | 988 | } |
Werner Lemberg | 7d9c189 | 2007-10-21 08:12:30 +0000 | [diff] [blame] | 989 | else |
| 990 | { |
Werner Lemberg | 9512092 | 2008-11-08 07:20:25 +0000 | [diff] [blame] | 991 | GET_NAME( WWS_FAMILY, &face->root.family_name ); |
Werner Lemberg | 141f0ea | 2017-01-24 17:00:36 +0100 | [diff] [blame] | 992 | if ( !face->root.family_name && !ignore_typographic_family ) |
| 993 | GET_NAME( TYPOGRAPHIC_FAMILY, &face->root.family_name ); |
Werner Lemberg | 7d9c189 | 2007-10-21 08:12:30 +0000 | [diff] [blame] | 994 | if ( !face->root.family_name ) |
Werner Lemberg | 9512092 | 2008-11-08 07:20:25 +0000 | [diff] [blame] | 995 | GET_NAME( FONT_FAMILY, &face->root.family_name ); |
Werner Lemberg | 7d9c189 | 2007-10-21 08:12:30 +0000 | [diff] [blame] | 996 | |
Werner Lemberg | 9512092 | 2008-11-08 07:20:25 +0000 | [diff] [blame] | 997 | GET_NAME( WWS_SUBFAMILY, &face->root.style_name ); |
Werner Lemberg | 141f0ea | 2017-01-24 17:00:36 +0100 | [diff] [blame] | 998 | if ( !face->root.style_name && !ignore_typographic_subfamily ) |
| 999 | GET_NAME( TYPOGRAPHIC_SUBFAMILY, &face->root.style_name ); |
Werner Lemberg | 7d9c189 | 2007-10-21 08:12:30 +0000 | [diff] [blame] | 1000 | if ( !face->root.style_name ) |
Werner Lemberg | 9512092 | 2008-11-08 07:20:25 +0000 | [diff] [blame] | 1001 | GET_NAME( FONT_SUBFAMILY, &face->root.style_name ); |
Werner Lemberg | 7d9c189 | 2007-10-21 08:12:30 +0000 | [diff] [blame] | 1002 | } |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1003 | |
| 1004 | /* now set up root fields */ |
| 1005 | { |
suzuki toshiya | 0105905 | 2009-08-01 00:32:20 +0900 | [diff] [blame] | 1006 | FT_Face root = &face->root; |
| 1007 | FT_Long flags = root->face_flags; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1008 | |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 1009 | |
Werner Lemberg | 9ac9060 | 2018-06-03 09:01:17 +0200 | [diff] [blame] | 1010 | /********************************************************************** |
| 1011 | * |
| 1012 | * Compute face flags. |
| 1013 | */ |
Behdad Esfahbod | 21c32b0 | 2013-07-25 21:53:18 +0200 | [diff] [blame] | 1014 | if ( face->sbit_table_type == TT_SBIT_TABLE_TYPE_CBLC || |
Shao Yu Zhang | f04d817 | 2018-05-13 03:25:09 +0200 | [diff] [blame] | 1015 | face->sbit_table_type == TT_SBIT_TABLE_TYPE_SBIX || |
Werner Lemberg | 54b332a | 2018-06-13 08:46:27 +0200 | [diff] [blame] | 1016 | face->colr ) |
Behdad Esfahbod | 21c32b0 | 2013-07-25 21:53:18 +0200 | [diff] [blame] | 1017 | flags |= FT_FACE_FLAG_COLOR; /* color glyphs */ |
| 1018 | |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 1019 | if ( has_outline == TRUE ) |
Werner Lemberg | 7734a1f | 2005-10-05 15:18:29 +0000 | [diff] [blame] | 1020 | flags |= FT_FACE_FLAG_SCALABLE; /* scalable outlines */ |
Werner Lemberg | 9a814fa | 2000-08-06 19:48:47 +0000 | [diff] [blame] | 1021 | |
Werner Lemberg | 7734a1f | 2005-10-05 15:18:29 +0000 | [diff] [blame] | 1022 | /* The sfnt driver only supports bitmap fonts natively, thus we */ |
| 1023 | /* don't set FT_FACE_FLAG_HINTER. */ |
| 1024 | flags |= FT_FACE_FLAG_SFNT | /* SFNT file format */ |
Werner Lemberg | 9a814fa | 2000-08-06 19:48:47 +0000 | [diff] [blame] | 1025 | FT_FACE_FLAG_HORIZONTAL; /* horizontal data */ |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1026 | |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1027 | #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES |
Werner Lemberg | 89f5064 | 2013-03-14 17:50:49 +0100 | [diff] [blame] | 1028 | if ( !psnames_error && |
Werner Lemberg | 7f1458a | 2003-12-17 21:57:56 +0000 | [diff] [blame] | 1029 | face->postscript.FormatType != 0x00030000L ) |
Werner Lemberg | 25ab491 | 2003-12-10 20:04:50 +0000 | [diff] [blame] | 1030 | flags |= FT_FACE_FLAG_GLYPH_NAMES; |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1031 | #endif |
| 1032 | |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 1033 | /* fixed width font? */ |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1034 | if ( face->postscript.isFixedPitch ) |
| 1035 | flags |= FT_FACE_FLAG_FIXED_WIDTH; |
| 1036 | |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 1037 | /* vertical information? */ |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1038 | if ( face->vertical_info ) |
| 1039 | flags |= FT_FACE_FLAG_VERTICAL; |
| 1040 | |
| 1041 | /* kerning available ? */ |
Werner Lemberg | e793092 | 2005-03-01 02:13:50 +0000 | [diff] [blame] | 1042 | if ( TT_FACE_HAS_KERNING( face ) ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1043 | flags |= FT_FACE_FLAG_KERNING; |
| 1044 | |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 1045 | #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT |
| 1046 | /* Don't bother to load the tables unless somebody asks for them. */ |
| 1047 | /* No need to do work which will (probably) not be used. */ |
Werner Lemberg | 64a9113 | 2016-12-21 19:30:33 +0100 | [diff] [blame] | 1048 | if ( face->variation_support & TT_FACE_FLAG_VAR_FVAR ) |
Werner Lemberg | 25f3ac2 | 2016-12-18 15:50:18 +0100 | [diff] [blame] | 1049 | { |
| 1050 | if ( tt_face_lookup_table( face, TTAG_glyf ) != 0 && |
| 1051 | tt_face_lookup_table( face, TTAG_gvar ) != 0 ) |
| 1052 | flags |= FT_FACE_FLAG_MULTIPLE_MASTERS; |
| 1053 | if ( tt_face_lookup_table( face, TTAG_CFF2 ) != 0 ) |
| 1054 | flags |= FT_FACE_FLAG_MULTIPLE_MASTERS; |
| 1055 | } |
Werner Lemberg | 44bb303 | 2004-04-25 20:15:11 +0000 | [diff] [blame] | 1056 | #endif |
| 1057 | |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1058 | root->face_flags = flags; |
| 1059 | |
Werner Lemberg | 9ac9060 | 2018-06-03 09:01:17 +0200 | [diff] [blame] | 1060 | /********************************************************************** |
| 1061 | * |
| 1062 | * Compute style flags. |
| 1063 | */ |
Werner Lemberg | 7d9c189 | 2007-10-21 08:12:30 +0000 | [diff] [blame] | 1064 | |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1065 | flags = 0; |
Werner Lemberg | 43ba084 | 2003-06-23 19:26:53 +0000 | [diff] [blame] | 1066 | if ( has_outline == TRUE && face->os2.version != 0xFFFFU ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1067 | { |
Werner Lemberg | e7aad02 | 2008-11-08 22:00:55 +0000 | [diff] [blame] | 1068 | /* We have an OS/2 table; use the `fsSelection' field. Bit 9 */ |
| 1069 | /* indicates an oblique font face. This flag has been */ |
| 1070 | /* introduced in version 1.5 of the OpenType specification. */ |
Werner Lemberg | 7d9c189 | 2007-10-21 08:12:30 +0000 | [diff] [blame] | 1071 | |
| 1072 | if ( face->os2.fsSelection & 512 ) /* bit 9 */ |
| 1073 | flags |= FT_STYLE_FLAG_ITALIC; |
| 1074 | else if ( face->os2.fsSelection & 1 ) /* bit 0 */ |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 1075 | flags |= FT_STYLE_FLAG_ITALIC; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1076 | |
Werner Lemberg | 7d9c189 | 2007-10-21 08:12:30 +0000 | [diff] [blame] | 1077 | if ( face->os2.fsSelection & 32 ) /* bit 5 */ |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 1078 | flags |= FT_STYLE_FLAG_BOLD; |
| 1079 | } |
| 1080 | else |
| 1081 | { |
| 1082 | /* this is an old Mac font, use the header field */ |
Werner Lemberg | e7aad02 | 2008-11-08 22:00:55 +0000 | [diff] [blame] | 1083 | |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 1084 | if ( face->header.Mac_Style & 1 ) |
| 1085 | flags |= FT_STYLE_FLAG_BOLD; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1086 | |
David Turner | f96594f | 2000-11-06 23:07:51 +0000 | [diff] [blame] | 1087 | if ( face->header.Mac_Style & 2 ) |
| 1088 | flags |= FT_STYLE_FLAG_ITALIC; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1089 | } |
| 1090 | |
Werner Lemberg | 14d6b5d | 2015-08-13 15:22:17 +0200 | [diff] [blame] | 1091 | root->style_flags |= flags; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1092 | |
Werner Lemberg | 9ac9060 | 2018-06-03 09:01:17 +0200 | [diff] [blame] | 1093 | /********************************************************************** |
| 1094 | * |
| 1095 | * Polish the charmaps. |
| 1096 | * |
| 1097 | * Try to set the charmap encoding according to the platform & |
| 1098 | * encoding ID of each charmap. Emulate Unicode charmap if one |
| 1099 | * is missing. |
| 1100 | */ |
David Turner | fd88e7c | 2002-03-22 15:02:38 +0000 | [diff] [blame] | 1101 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1102 | tt_face_build_cmaps( face ); /* ignore errors */ |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 1103 | |
| 1104 | |
David Turner | fd88e7c | 2002-03-22 15:02:38 +0000 | [diff] [blame] | 1105 | /* set the encoding fields */ |
| 1106 | { |
Alexei Podtelezhnikov | 75cb071 | 2017-06-21 22:52:37 -0400 | [diff] [blame] | 1107 | FT_Int m; |
| 1108 | #ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES |
| 1109 | FT_Bool has_unicode = FALSE; |
| 1110 | #endif |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 1111 | |
| 1112 | |
David Turner | 94dbf7f | 2002-03-26 02:38:39 +0000 | [diff] [blame] | 1113 | for ( m = 0; m < root->num_charmaps; m++ ) |
David Turner | fd88e7c | 2002-03-22 15:02:38 +0000 | [diff] [blame] | 1114 | { |
David Turner | 94dbf7f | 2002-03-26 02:38:39 +0000 | [diff] [blame] | 1115 | FT_CharMap charmap = root->charmaps[m]; |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 1116 | |
| 1117 | |
David Turner | fd88e7c | 2002-03-22 15:02:38 +0000 | [diff] [blame] | 1118 | charmap->encoding = sfnt_find_encoding( charmap->platform_id, |
| 1119 | charmap->encoding_id ); |
Alexei Podtelezhnikov | 75cb071 | 2017-06-21 22:52:37 -0400 | [diff] [blame] | 1120 | |
| 1121 | #ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES |
| 1122 | |
Alexei Podtelezhnikov | 7653c76 | 2017-08-17 21:28:32 -0400 | [diff] [blame] | 1123 | if ( charmap->encoding == FT_ENCODING_UNICODE || |
| 1124 | charmap->encoding == FT_ENCODING_MS_SYMBOL ) /* PUA */ |
Alexei Podtelezhnikov | 75cb071 | 2017-06-21 22:52:37 -0400 | [diff] [blame] | 1125 | has_unicode = TRUE; |
| 1126 | } |
| 1127 | |
| 1128 | /* synthesize Unicode charmap if one is missing */ |
| 1129 | if ( !has_unicode ) |
| 1130 | { |
| 1131 | FT_CharMapRec cmaprec; |
| 1132 | |
| 1133 | |
| 1134 | cmaprec.face = root; |
| 1135 | cmaprec.platform_id = TT_PLATFORM_MICROSOFT; |
| 1136 | cmaprec.encoding_id = TT_MS_ID_UNICODE_CS; |
| 1137 | cmaprec.encoding = FT_ENCODING_UNICODE; |
| 1138 | |
| 1139 | |
| 1140 | error = FT_CMap_New( (FT_CMap_Class)&tt_cmap_unicode_class_rec, |
| 1141 | NULL, &cmaprec, NULL ); |
| 1142 | if ( error && |
Werner Lemberg | 912e174 | 2018-10-07 09:28:52 +0200 | [diff] [blame] | 1143 | FT_ERR_NEQ( error, No_Unicode_Glyph_Name ) && |
| 1144 | FT_ERR_NEQ( error, Unimplemented_Feature ) ) |
Alexei Podtelezhnikov | abeb28f | 2017-07-01 16:48:32 -0400 | [diff] [blame] | 1145 | goto Exit; |
| 1146 | error = FT_Err_Ok; |
Alexei Podtelezhnikov | 75cb071 | 2017-06-21 22:52:37 -0400 | [diff] [blame] | 1147 | |
| 1148 | #endif /* FT_CONFIG_OPTION_POSTSCRIPT_NAMES */ |
| 1149 | |
David Turner | fd88e7c | 2002-03-22 15:02:38 +0000 | [diff] [blame] | 1150 | } |
| 1151 | } |
| 1152 | |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1153 | #ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS |
| 1154 | |
| 1155 | /* |
Werner Lemberg | 9ac9060 | 2018-06-03 09:01:17 +0200 | [diff] [blame] | 1156 | * Now allocate the root array of FT_Bitmap_Size records and |
| 1157 | * populate them. Unfortunately, it isn't possible to indicate bit |
| 1158 | * depths in the FT_Bitmap_Size record. This is a design error. |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1159 | */ |
| 1160 | { |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 1161 | FT_UInt count; |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1162 | |
| 1163 | |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1164 | count = face->sbit_num_strikes; |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1165 | |
| 1166 | if ( count > 0 ) |
| 1167 | { |
| 1168 | FT_Memory memory = face->root.stream->memory; |
| 1169 | FT_UShort em_size = face->header.Units_Per_EM; |
| 1170 | FT_Short avgwidth = face->os2.xAvgCharWidth; |
| 1171 | FT_Size_Metrics metrics; |
| 1172 | |
Werner Lemberg | e421a0b | 2016-09-10 08:02:30 +0200 | [diff] [blame] | 1173 | FT_UInt* sbit_strike_map = NULL; |
| 1174 | FT_UInt strike_idx, bsize_idx; |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 1175 | |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1176 | |
| 1177 | if ( em_size == 0 || face->os2.version == 0xFFFFU ) |
| 1178 | { |
Werner Lemberg | 8af2a1c | 2013-11-21 13:13:12 +0100 | [diff] [blame] | 1179 | avgwidth = 1; |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1180 | em_size = 1; |
| 1181 | } |
| 1182 | |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 1183 | /* to avoid invalid strike data in the `available_sizes' field */ |
| 1184 | /* of `FT_Face', we map `available_sizes' indices to strike */ |
| 1185 | /* indices */ |
| 1186 | if ( FT_NEW_ARRAY( root->available_sizes, count ) || |
Werner Lemberg | e421a0b | 2016-09-10 08:02:30 +0200 | [diff] [blame] | 1187 | FT_NEW_ARRAY( sbit_strike_map, count ) ) |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1188 | goto Exit; |
| 1189 | |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 1190 | bsize_idx = 0; |
| 1191 | for ( strike_idx = 0; strike_idx < count; strike_idx++ ) |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1192 | { |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 1193 | FT_Bitmap_Size* bsize = root->available_sizes + bsize_idx; |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1194 | |
| 1195 | |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 1196 | error = sfnt->load_strike_metrics( face, strike_idx, &metrics ); |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1197 | if ( error ) |
Werner Lemberg | e421a0b | 2016-09-10 08:02:30 +0200 | [diff] [blame] | 1198 | continue; |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1199 | |
| 1200 | bsize->height = (FT_Short)( metrics.height >> 6 ); |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 1201 | bsize->width = (FT_Short)( |
| 1202 | ( avgwidth * metrics.x_ppem + em_size / 2 ) / em_size ); |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1203 | |
| 1204 | bsize->x_ppem = metrics.x_ppem << 6; |
| 1205 | bsize->y_ppem = metrics.y_ppem << 6; |
| 1206 | |
| 1207 | /* assume 72dpi */ |
| 1208 | bsize->size = metrics.y_ppem << 6; |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 1209 | |
| 1210 | /* only use strikes with valid PPEM values */ |
| 1211 | if ( bsize->x_ppem && bsize->y_ppem ) |
Werner Lemberg | e421a0b | 2016-09-10 08:02:30 +0200 | [diff] [blame] | 1212 | sbit_strike_map[bsize_idx++] = strike_idx; |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1213 | } |
| 1214 | |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 1215 | /* reduce array size to the actually used elements */ |
Werner Lemberg | e421a0b | 2016-09-10 08:02:30 +0200 | [diff] [blame] | 1216 | (void)FT_RENEW_ARRAY( sbit_strike_map, count, bsize_idx ); |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 1217 | |
Werner Lemberg | e421a0b | 2016-09-10 08:02:30 +0200 | [diff] [blame] | 1218 | /* from now on, all strike indices are mapped */ |
| 1219 | /* using `sbit_strike_map' */ |
| 1220 | if ( bsize_idx ) |
| 1221 | { |
| 1222 | face->sbit_strike_map = sbit_strike_map; |
| 1223 | |
| 1224 | root->face_flags |= FT_FACE_FLAG_FIXED_SIZES; |
| 1225 | root->num_fixed_sizes = (FT_Int)bsize_idx; |
| 1226 | } |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1227 | } |
| 1228 | } |
| 1229 | |
| 1230 | #endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ |
| 1231 | |
| 1232 | /* a font with no bitmaps and no outlines is scalable; */ |
| 1233 | /* it has only empty glyphs then */ |
| 1234 | if ( !FT_HAS_FIXED_SIZES( root ) && !FT_IS_SCALABLE( root ) ) |
| 1235 | root->face_flags |= FT_FACE_FLAG_SCALABLE; |
| 1236 | |
David Turner | fd88e7c | 2002-03-22 15:02:38 +0000 | [diff] [blame] | 1237 | |
Werner Lemberg | 9ac9060 | 2018-06-03 09:01:17 +0200 | [diff] [blame] | 1238 | /********************************************************************** |
| 1239 | * |
| 1240 | * Set up metrics. |
| 1241 | */ |
Werner Lemberg | c2cabd4 | 2009-02-09 22:20:27 +0000 | [diff] [blame] | 1242 | if ( FT_IS_SCALABLE( root ) ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1243 | { |
Werner Lemberg | 9a814fa | 2000-08-06 19:48:47 +0000 | [diff] [blame] | 1244 | /* XXX What about if outline header is missing */ |
Werner Lemberg | 6d79899 | 2003-07-01 07:28:55 +0000 | [diff] [blame] | 1245 | /* (e.g. sfnt wrapped bitmap)? */ |
Werner Lemberg | 9a814fa | 2000-08-06 19:48:47 +0000 | [diff] [blame] | 1246 | root->bbox.xMin = face->header.xMin; |
| 1247 | root->bbox.yMin = face->header.yMin; |
| 1248 | root->bbox.xMax = face->header.xMax; |
| 1249 | root->bbox.yMax = face->header.yMax; |
| 1250 | root->units_per_EM = face->header.Units_Per_EM; |
| 1251 | |
David Turner | 5878a6d | 2000-08-29 16:03:01 +0000 | [diff] [blame] | 1252 | |
Nikolaus Waxweiler | f72b007 | 2019-02-02 15:45:31 +0000 | [diff] [blame] | 1253 | /* |
| 1254 | * Computing the ascender/descender/height is tricky. |
| 1255 | * |
| 1256 | * The OpenType specification v1.8.3 says: |
| 1257 | * |
| 1258 | * [OS/2's] sTypoAscender, sTypoDescender and sTypoLineGap fields |
| 1259 | * are intended to allow applications to lay out documents in a |
| 1260 | * typographically-correct and portable fashion. |
| 1261 | * |
| 1262 | * This is somewhat at odds with the decades of backwards |
| 1263 | * compatibility, operating systems and applications doing whatever |
| 1264 | * they want, not to mention broken fonts. |
| 1265 | * |
| 1266 | * Not all fonts have an OS/2 table; in this case, we take the values |
| 1267 | * in the horizontal header, although there is nothing stopping the |
| 1268 | * values from being unreliable. Even with a OS/2 table, certain fonts |
| 1269 | * set the sTypoAscender, sTypoDescender and sTypoLineGap fields to 0 |
| 1270 | * and instead correctly set usWinAscent and usWinDescent. |
| 1271 | * |
| 1272 | * As an example, Arial Narrow is shipped as four files ARIALN.TTF, |
| 1273 | * ARIALNI.TTF, ARIALNB.TTF and ARIALNBI.TTF. Strangely, all fonts have |
| 1274 | * the same values in their sTypo* fields, except ARIALNB.ttf which |
| 1275 | * sets them to 0. All of them have different usWinAscent/Descent |
| 1276 | * values. The OS/2 table therefore cannot be trusted for computing the |
| 1277 | * text height reliably. |
| 1278 | * |
| 1279 | * As a compromise, do the following: |
| 1280 | * |
| 1281 | * 1. If the OS/2 table exists and the fsSelection bit 7 is set |
| 1282 | * (USE_TYPO_METRICS), trust the font and use the sTypo* metrics. |
| 1283 | * 2. Otherwise, use the `hhea' table's metrics. |
| 1284 | * 3. If they are zero and the OS/2 table exists, |
| 1285 | * 1. use the OS/2 table's sTypo* metrics if they are non-zero. |
| 1286 | * 2. Otherwise, use the OS/2 table's usWin* metrics. |
| 1287 | */ |
David Turner | 5878a6d | 2000-08-29 16:03:01 +0000 | [diff] [blame] | 1288 | |
Nikolaus Waxweiler | f72b007 | 2019-02-02 15:45:31 +0000 | [diff] [blame] | 1289 | if ( face->os2.version != 0xFFFFU && face->os2.fsSelection & 128 ) |
Werner Lemberg | 9a814fa | 2000-08-06 19:48:47 +0000 | [diff] [blame] | 1290 | { |
Nikolaus Waxweiler | f72b007 | 2019-02-02 15:45:31 +0000 | [diff] [blame] | 1291 | root->ascender = face->os2.sTypoAscender; |
| 1292 | root->descender = face->os2.sTypoDescender; |
| 1293 | root->height = root->ascender - root->descender + |
| 1294 | face->os2.sTypoLineGap; |
| 1295 | } |
| 1296 | else |
| 1297 | { |
| 1298 | root->ascender = face->horizontal.Ascender; |
| 1299 | root->descender = face->horizontal.Descender; |
| 1300 | root->height = root->ascender - root->descender + |
| 1301 | face->horizontal.Line_Gap; |
| 1302 | |
| 1303 | if ( !( root->ascender || root->descender ) ) |
Werner Lemberg | f095744 | 2011-07-07 14:10:39 +0200 | [diff] [blame] | 1304 | { |
Nikolaus Waxweiler | f72b007 | 2019-02-02 15:45:31 +0000 | [diff] [blame] | 1305 | if ( face->os2.version != 0xFFFFU ) |
Werner Lemberg | f095744 | 2011-07-07 14:10:39 +0200 | [diff] [blame] | 1306 | { |
Nikolaus Waxweiler | f72b007 | 2019-02-02 15:45:31 +0000 | [diff] [blame] | 1307 | if ( face->os2.sTypoAscender || face->os2.sTypoDescender ) |
| 1308 | { |
| 1309 | root->ascender = face->os2.sTypoAscender; |
| 1310 | root->descender = face->os2.sTypoDescender; |
| 1311 | root->height = root->ascender - root->descender + |
| 1312 | face->os2.sTypoLineGap; |
| 1313 | } |
| 1314 | else |
| 1315 | { |
| 1316 | root->ascender = (FT_Short)face->os2.usWinAscent; |
| 1317 | root->descender = -(FT_Short)face->os2.usWinDescent; |
| 1318 | root->height = root->ascender - root->descender; |
| 1319 | } |
Werner Lemberg | f095744 | 2011-07-07 14:10:39 +0200 | [diff] [blame] | 1320 | } |
| 1321 | } |
Werner Lemberg | 9a814fa | 2000-08-06 19:48:47 +0000 | [diff] [blame] | 1322 | } |
Werner Lemberg | 4a5c142 | 2000-08-29 18:37:25 +0000 | [diff] [blame] | 1323 | |
Werner Lemberg | 01f0842 | 2015-02-22 12:03:28 +0100 | [diff] [blame] | 1324 | root->max_advance_width = |
| 1325 | (FT_Short)face->horizontal.advance_Width_Max; |
| 1326 | root->max_advance_height = |
| 1327 | (FT_Short)( face->vertical_info ? face->vertical.advance_Height_Max |
| 1328 | : root->height ); |
Werner Lemberg | 9a814fa | 2000-08-06 19:48:47 +0000 | [diff] [blame] | 1329 | |
Werner Lemberg | 87ddad2 | 2017-12-04 20:43:30 +0100 | [diff] [blame] | 1330 | /* See https://www.microsoft.com/typography/otspec/post.htm -- */ |
| 1331 | /* Adjust underline position from top edge to centre of */ |
| 1332 | /* stroke to convert TrueType meaning to FreeType meaning. */ |
Werner Lemberg | 174b8de | 2008-10-12 11:47:29 +0000 | [diff] [blame] | 1333 | root->underline_position = face->postscript.underlinePosition - |
| 1334 | face->postscript.underlineThickness / 2; |
Werner Lemberg | 9a814fa | 2000-08-06 19:48:47 +0000 | [diff] [blame] | 1335 | root->underline_thickness = face->postscript.underlineThickness; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1336 | } |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 1337 | |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1338 | } |
| 1339 | |
| 1340 | Exit: |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 1341 | FT_TRACE2(( "sfnt_load_face: done\n" )); |
| 1342 | |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1343 | return error; |
| 1344 | } |
| 1345 | |
| 1346 | |
| 1347 | #undef LOAD_ |
Wu, Chia-I (吳佳一) | 0d565fd | 2006-02-15 07:44:31 +0000 | [diff] [blame] | 1348 | #undef LOADM_ |
Werner Lemberg | 9512092 | 2008-11-08 07:20:25 +0000 | [diff] [blame] | 1349 | #undef GET_NAME |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1350 | |
| 1351 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1352 | FT_LOCAL_DEF( void ) |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1353 | sfnt_done_face( TT_Face face ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1354 | { |
Werner Lemberg | d03d856 | 2008-10-01 22:39:05 +0000 | [diff] [blame] | 1355 | FT_Memory memory; |
| 1356 | SFNT_Service sfnt; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1357 | |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 1358 | |
Werner Lemberg | d03d856 | 2008-10-01 22:39:05 +0000 | [diff] [blame] | 1359 | if ( !face ) |
| 1360 | return; |
| 1361 | |
| 1362 | memory = face->root.memory; |
| 1363 | sfnt = (SFNT_Service)face->sfnt; |
| 1364 | |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 1365 | if ( sfnt ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1366 | { |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 1367 | /* destroy the postscript names table if it is loaded */ |
| 1368 | if ( sfnt->free_psnames ) |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1369 | sfnt->free_psnames( face ); |
| 1370 | |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 1371 | /* destroy the embedded bitmaps table if it is loaded */ |
Wu, Chia-I (吳佳一) | f5aa47b | 2006-02-14 06:40:10 +0000 | [diff] [blame] | 1372 | if ( sfnt->free_eblc ) |
| 1373 | sfnt->free_eblc( face ); |
Shao Yu Zhang | f04d817 | 2018-05-13 03:25:09 +0200 | [diff] [blame] | 1374 | |
| 1375 | /* destroy color table data if it is loaded */ |
Werner Lemberg | 54b332a | 2018-06-13 08:46:27 +0200 | [diff] [blame] | 1376 | if ( sfnt->free_cpal ) |
| 1377 | { |
| 1378 | sfnt->free_cpal( face ); |
Shao Yu Zhang | f04d817 | 2018-05-13 03:25:09 +0200 | [diff] [blame] | 1379 | sfnt->free_colr( face ); |
Werner Lemberg | 54b332a | 2018-06-13 08:46:27 +0200 | [diff] [blame] | 1380 | } |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1381 | } |
| 1382 | |
David Turner | 89a2a4b | 2005-12-14 20:38:15 +0000 | [diff] [blame] | 1383 | #ifdef TT_CONFIG_OPTION_BDF |
| 1384 | /* freeing the embedded BDF properties */ |
| 1385 | tt_face_free_bdf_props( face ); |
| 1386 | #endif |
| 1387 | |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1388 | /* freeing the kerning table */ |
David Turner | e568027 | 2005-02-26 00:12:04 +0000 | [diff] [blame] | 1389 | tt_face_done_kern( face ); |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1390 | |
| 1391 | /* freeing the collection table */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1392 | FT_FREE( face->ttc_header.offsets ); |
Werner Lemberg | e1bbc01 | 2000-07-19 06:25:56 +0000 | [diff] [blame] | 1393 | face->ttc_header.count = 0; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1394 | |
| 1395 | /* freeing table directory */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1396 | FT_FREE( face->dir_tables ); |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1397 | face->num_tables = 0; |
| 1398 | |
David Turner | fd88e7c | 2002-03-22 15:02:38 +0000 | [diff] [blame] | 1399 | { |
Werner Lemberg | b7b163c | 2002-03-31 18:48:24 +0000 | [diff] [blame] | 1400 | FT_Stream stream = FT_FACE_STREAM( face ); |
| 1401 | |
| 1402 | |
David Turner | fd88e7c | 2002-03-22 15:02:38 +0000 | [diff] [blame] | 1403 | /* simply release the 'cmap' table frame */ |
| 1404 | FT_FRAME_RELEASE( face->cmap_table ); |
| 1405 | face->cmap_size = 0; |
| 1406 | } |
| 1407 | |
Werner Lemberg | bf90239 | 2016-09-29 13:04:46 +0200 | [diff] [blame] | 1408 | face->horz_metrics_size = 0; |
| 1409 | face->vert_metrics_size = 0; |
David Turner | 6a487b5 | 2005-02-28 22:09:07 +0000 | [diff] [blame] | 1410 | |
Werner Lemberg | bf90239 | 2016-09-29 13:04:46 +0200 | [diff] [blame] | 1411 | /* freeing vertical metrics, if any */ |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1412 | if ( face->vertical_info ) |
| 1413 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1414 | FT_FREE( face->vertical.long_metrics ); |
| 1415 | FT_FREE( face->vertical.short_metrics ); |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1416 | face->vertical_info = 0; |
| 1417 | } |
| 1418 | |
| 1419 | /* freeing the gasp table */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1420 | FT_FREE( face->gasp.gaspRanges ); |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1421 | face->gasp.numRanges = 0; |
| 1422 | |
| 1423 | /* freeing the name table */ |
Werner Lemberg | d503fc5 | 2007-11-01 09:19:44 +0000 | [diff] [blame] | 1424 | if ( sfnt ) |
| 1425 | sfnt->free_name( face ); |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1426 | |
| 1427 | /* freeing family and style name */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1428 | FT_FREE( face->root.family_name ); |
| 1429 | FT_FREE( face->root.style_name ); |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1430 | |
| 1431 | /* freeing sbit size table */ |
Werner Lemberg | b6420e8 | 2004-05-18 20:16:04 +0000 | [diff] [blame] | 1432 | FT_FREE( face->root.available_sizes ); |
Werner Lemberg | d609b7c | 2016-09-09 22:11:07 +0200 | [diff] [blame] | 1433 | FT_FREE( face->sbit_strike_map ); |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1434 | face->root.num_fixed_sizes = 0; |
Werner Lemberg | b6420e8 | 2004-05-18 20:16:04 +0000 | [diff] [blame] | 1435 | |
| 1436 | FT_FREE( face->postscript_name ); |
Ben Wagner | 96b5e50 | 2018-08-10 22:24:26 +0200 | [diff] [blame] | 1437 | |
| 1438 | #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT |
Werner Lemberg | 34010f7 | 2017-03-14 21:50:22 +0100 | [diff] [blame] | 1439 | FT_FREE( face->var_postscript_prefix ); |
Werner Lemberg | d5bfa05 | 2017-03-17 21:47:54 +0100 | [diff] [blame] | 1440 | #endif |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1441 | |
Werner Lemberg | c412de5 | 2018-06-09 23:56:21 +0200 | [diff] [blame] | 1442 | /* freeing glyph color palette data */ |
Werner Lemberg | d8b8b6e | 2018-06-10 21:37:15 +0200 | [diff] [blame] | 1443 | FT_FREE( face->palette_data.palette_name_ids ); |
Werner Lemberg | 7edc937 | 2018-07-02 11:50:04 +0200 | [diff] [blame] | 1444 | FT_FREE( face->palette_data.palette_flags ); |
Werner Lemberg | d8b8b6e | 2018-06-10 21:37:15 +0200 | [diff] [blame] | 1445 | FT_FREE( face->palette_data.palette_entry_name_ids ); |
Werner Lemberg | b85d4e8 | 2018-06-12 05:53:58 +0200 | [diff] [blame] | 1446 | FT_FREE( face->palette ); |
Werner Lemberg | c412de5 | 2018-06-09 23:56:21 +0200 | [diff] [blame] | 1447 | |
Alexei Podtelezhnikov | 792db0b | 2015-04-15 23:20:23 -0400 | [diff] [blame] | 1448 | face->sfnt = NULL; |
David Turner | 241e151 | 2000-05-28 17:15:37 +0000 | [diff] [blame] | 1449 | } |
| 1450 | |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 1451 | |
| 1452 | /* END */ |