David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1 | /***************************************************************************/ |
| 2 | /* */ |
| 3 | /* ftobjs.c */ |
| 4 | /* */ |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 5 | /* The FreeType private base classes (body). */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 6 | /* */ |
Werner Lemberg | d40cd0b | 2010-01-14 20:32:21 +0100 | [diff] [blame] | 7 | /* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, */ |
| 8 | /* 2010 by */ |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 9 | /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 10 | /* */ |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 11 | /* This file is part of the FreeType project, and may only be used, */ |
| 12 | /* modified, and distributed under the terms of the FreeType project */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 13 | /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
| 14 | /* this file you indicate that you have read the license and */ |
| 15 | /* understand and accept it fully. */ |
| 16 | /* */ |
| 17 | /***************************************************************************/ |
| 18 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 19 | |
| 20 | #include <ft2build.h> |
| 21 | #include FT_LIST_H |
David Turner | 7fe38a5 | 2002-01-04 09:47:30 +0000 | [diff] [blame] | 22 | #include FT_OUTLINE_H |
Werner Lemberg | 645af08 | 2004-09-06 07:06:56 +0000 | [diff] [blame] | 23 | #include FT_INTERNAL_VALIDATE_H |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 24 | #include FT_INTERNAL_OBJECTS_H |
| 25 | #include FT_INTERNAL_DEBUG_H |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 26 | #include FT_INTERNAL_RFORK_H |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 27 | #include FT_INTERNAL_STREAM_H |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 28 | #include FT_INTERNAL_SFNT_H /* for SFNT_Load_Table_Func */ |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 29 | #include FT_TRUETYPE_TABLES_H |
Suzuki, Toshiya (鈴木俊哉) | af48cb0 | 2008-10-05 02:53:06 +0000 | [diff] [blame] | 30 | #include FT_TRUETYPE_TAGS_H |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 31 | #include FT_TRUETYPE_IDS_H |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 32 | |
Werner Lemberg | 5e3614f | 2003-09-12 19:38:13 +0000 | [diff] [blame] | 33 | #include FT_SERVICE_SFNT_H |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 34 | #include FT_SERVICE_POSTSCRIPT_NAME_H |
| 35 | #include FT_SERVICE_GLYPH_DICT_H |
Werner Lemberg | 91a6747 | 2003-12-17 14:28:22 +0000 | [diff] [blame] | 36 | #include FT_SERVICE_TT_CMAP_H |
Wu, Chia-I (吳佳一) | 108fdbb | 2006-01-16 15:35:56 +0000 | [diff] [blame] | 37 | #include FT_SERVICE_KERNING_H |
David Turner | 0b5dc4d | 2006-02-21 22:36:23 +0000 | [diff] [blame] | 38 | #include FT_SERVICE_TRUETYPE_ENGINE_H |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 39 | |
Werner Lemberg | d40cd0b | 2010-01-14 20:32:21 +0100 | [diff] [blame] | 40 | #ifdef FT_CONFIG_OPTION_MAC_FONTS |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 41 | #include "ftbase.h" |
Werner Lemberg | d40cd0b | 2010-01-14 20:32:21 +0100 | [diff] [blame] | 42 | #endif |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 43 | |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 44 | #define GRID_FIT_METRICS |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 45 | |
Werner Lemberg | b972a2a | 2008-12-11 08:55:48 +0000 | [diff] [blame] | 46 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 47 | FT_BASE_DEF( FT_Pointer ) |
| 48 | ft_service_list_lookup( FT_ServiceDesc service_descriptors, |
| 49 | const char* service_id ) |
| 50 | { |
| 51 | FT_Pointer result = NULL; |
| 52 | FT_ServiceDesc desc = service_descriptors; |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 53 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 54 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 55 | if ( desc && service_id ) |
| 56 | { |
| 57 | for ( ; desc->serv_id != NULL; desc++ ) |
| 58 | { |
| 59 | if ( ft_strcmp( desc->serv_id, service_id ) == 0 ) |
| 60 | { |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 61 | result = (FT_Pointer)desc->serv_data; |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 62 | break; |
| 63 | } |
| 64 | } |
| 65 | } |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 66 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 67 | return result; |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 68 | } |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 69 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 70 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 71 | FT_BASE_DEF( void ) |
| 72 | ft_validator_init( FT_Validator valid, |
| 73 | const FT_Byte* base, |
| 74 | const FT_Byte* limit, |
| 75 | FT_ValidationLevel level ) |
| 76 | { |
| 77 | valid->base = base; |
| 78 | valid->limit = limit; |
| 79 | valid->level = level; |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 80 | valid->error = FT_Err_Ok; |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 81 | } |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 82 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 83 | |
| 84 | FT_BASE_DEF( FT_Int ) |
| 85 | ft_validator_run( FT_Validator valid ) |
| 86 | { |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 87 | /* This function doesn't work! None should call it. */ |
| 88 | FT_UNUSED( valid ); |
| 89 | |
David Turner | 2b21a93 | 2006-08-16 09:24:32 +0000 | [diff] [blame] | 90 | return -1; |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 91 | } |
| 92 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 93 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 94 | FT_BASE_DEF( void ) |
| 95 | ft_validator_error( FT_Validator valid, |
| 96 | FT_Error error ) |
| 97 | { |
Jens Claudius | a787f45 | 2006-08-27 11:26:18 +0000 | [diff] [blame] | 98 | /* since the cast below also disables the compiler's */ |
| 99 | /* type check, we introduce a dummy variable, which */ |
| 100 | /* will be optimized away */ |
Werner Lemberg | 607dec7 | 2007-05-15 06:49:37 +0000 | [diff] [blame] | 101 | volatile ft_jmp_buf* jump_buffer = &valid->jump_buffer; |
Jens Claudius | a787f45 | 2006-08-27 11:26:18 +0000 | [diff] [blame] | 102 | |
| 103 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 104 | valid->error = error; |
Jens Claudius | a787f45 | 2006-08-27 11:26:18 +0000 | [diff] [blame] | 105 | |
| 106 | /* throw away volatileness; use `jump_buffer' or the */ |
| 107 | /* compiler may warn about an unused local variable */ |
Werner Lemberg | 607dec7 | 2007-05-15 06:49:37 +0000 | [diff] [blame] | 108 | ft_longjmp( *(ft_jmp_buf*) jump_buffer, 1 ); |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 109 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 110 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 111 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 112 | /*************************************************************************/ |
| 113 | /*************************************************************************/ |
| 114 | /*************************************************************************/ |
| 115 | /**** ****/ |
| 116 | /**** ****/ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 117 | /**** S T R E A M ****/ |
| 118 | /**** ****/ |
| 119 | /**** ****/ |
| 120 | /*************************************************************************/ |
| 121 | /*************************************************************************/ |
| 122 | /*************************************************************************/ |
| 123 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 124 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 125 | /* create a new input stream from an FT_Open_Args structure */ |
| 126 | /* */ |
| 127 | FT_BASE_DEF( FT_Error ) |
| 128 | FT_Stream_New( FT_Library library, |
| 129 | const FT_Open_Args* args, |
| 130 | FT_Stream *astream ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 131 | { |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 132 | FT_Error error; |
| 133 | FT_Memory memory; |
| 134 | FT_Stream stream; |
| 135 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 136 | |
Suzuki, Toshiya (鈴木俊哉) | 4c60bd9 | 2008-08-19 15:35:44 +0000 | [diff] [blame] | 137 | *astream = 0; |
| 138 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 139 | if ( !library ) |
| 140 | return FT_Err_Invalid_Library_Handle; |
| 141 | |
| 142 | if ( !args ) |
| 143 | return FT_Err_Invalid_Argument; |
| 144 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 145 | memory = library->memory; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 146 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 147 | if ( FT_NEW( stream ) ) |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 148 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 149 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 150 | stream->memory = memory; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 151 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 152 | if ( args->flags & FT_OPEN_MEMORY ) |
Just van Rossum | d35aea7 | 2000-03-02 01:07:50 +0000 | [diff] [blame] | 153 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 154 | /* create a memory-based stream */ |
David Turner | 7d3a264 | 2002-03-20 10:49:31 +0000 | [diff] [blame] | 155 | FT_Stream_OpenMemory( stream, |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 156 | (const FT_Byte*)args->memory_base, |
| 157 | args->memory_size ); |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 158 | } |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 159 | else if ( args->flags & FT_OPEN_PATHNAME ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 160 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 161 | /* create a normal system stream */ |
| 162 | error = FT_Stream_Open( stream, args->pathname ); |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 163 | stream->pathname.pointer = args->pathname; |
| 164 | } |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 165 | else if ( ( args->flags & FT_OPEN_STREAM ) && args->stream ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 166 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 167 | /* use an existing, user-provided stream */ |
| 168 | |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 169 | /* in this case, we do not need to allocate a new stream object */ |
| 170 | /* since the caller is responsible for closing it himself */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 171 | FT_FREE( stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 172 | stream = args->stream; |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 173 | } |
| 174 | else |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 175 | error = FT_Err_Invalid_Argument; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 176 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 177 | if ( error ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 178 | FT_FREE( stream ); |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 179 | else |
| 180 | stream->memory = memory; /* just to be certain */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 181 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 182 | *astream = stream; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 183 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 184 | Exit: |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 185 | return error; |
| 186 | } |
| 187 | |
| 188 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 189 | FT_BASE_DEF( void ) |
| 190 | FT_Stream_Free( FT_Stream stream, |
| 191 | FT_Int external ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 192 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 193 | if ( stream ) |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 194 | { |
| 195 | FT_Memory memory = stream->memory; |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 196 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 197 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 198 | FT_Stream_Close( stream ); |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 199 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 200 | if ( !external ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 201 | FT_FREE( stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 202 | } |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 203 | } |
| 204 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 205 | |
Werner Lemberg | 6874d85 | 2008-09-20 11:50:47 +0000 | [diff] [blame] | 206 | /*************************************************************************/ |
| 207 | /* */ |
| 208 | /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ |
| 209 | /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ |
| 210 | /* messages during execution. */ |
| 211 | /* */ |
Werner Lemberg | eb81e37 | 2000-06-03 06:03:11 +0000 | [diff] [blame] | 212 | #undef FT_COMPONENT |
| 213 | #define FT_COMPONENT trace_objs |
| 214 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 215 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 216 | /*************************************************************************/ |
| 217 | /*************************************************************************/ |
| 218 | /*************************************************************************/ |
| 219 | /**** ****/ |
| 220 | /**** ****/ |
| 221 | /**** FACE, SIZE & GLYPH SLOT OBJECTS ****/ |
| 222 | /**** ****/ |
| 223 | /**** ****/ |
| 224 | /*************************************************************************/ |
| 225 | /*************************************************************************/ |
| 226 | /*************************************************************************/ |
| 227 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 228 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 229 | static FT_Error |
| 230 | ft_glyphslot_init( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 231 | { |
| 232 | FT_Driver driver = slot->face->driver; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 233 | FT_Driver_Class clazz = driver->clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 234 | FT_Memory memory = driver->root.memory; |
| 235 | FT_Error error = FT_Err_Ok; |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 236 | FT_Slot_Internal internal; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 237 | |
Werner Lemberg | a8bbc26 | 2000-07-01 14:06:46 +0000 | [diff] [blame] | 238 | |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 239 | slot->library = driver->root.library; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 240 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 241 | if ( FT_NEW( internal ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 242 | goto Exit; |
| 243 | |
| 244 | slot->internal = internal; |
| 245 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 246 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 247 | error = FT_GlyphLoader_New( memory, &internal->loader ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 248 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 249 | if ( !error && clazz->init_slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 250 | error = clazz->init_slot( slot ); |
| 251 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 252 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 253 | return error; |
| 254 | } |
| 255 | |
Werner Lemberg | e20ab69 | 2003-06-02 07:24:33 +0000 | [diff] [blame] | 256 | |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 257 | FT_BASE_DEF( void ) |
| 258 | ft_glyphslot_free_bitmap( FT_GlyphSlot slot ) |
| 259 | { |
Werner Lemberg | b619282 | 2008-11-08 07:28:39 +0000 | [diff] [blame] | 260 | if ( slot->internal && ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) ) |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 261 | { |
| 262 | FT_Memory memory = FT_FACE_MEMORY( slot->face ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 263 | |
| 264 | |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 265 | FT_FREE( slot->bitmap.buffer ); |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 266 | slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP; |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 267 | } |
| 268 | else |
| 269 | { |
| 270 | /* assume that the bitmap buffer was stolen or not */ |
| 271 | /* allocated from the heap */ |
| 272 | slot->bitmap.buffer = NULL; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | |
| 277 | FT_BASE_DEF( void ) |
| 278 | ft_glyphslot_set_bitmap( FT_GlyphSlot slot, |
Werner Lemberg | 319c00d | 2003-04-23 19:48:24 +0000 | [diff] [blame] | 279 | FT_Byte* buffer ) |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 280 | { |
| 281 | ft_glyphslot_free_bitmap( slot ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 282 | |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 283 | slot->bitmap.buffer = buffer; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 284 | |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 285 | FT_ASSERT( (slot->internal->flags & FT_GLYPH_OWN_BITMAP) == 0 ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 286 | } |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 287 | |
| 288 | |
| 289 | FT_BASE_DEF( FT_Error ) |
| 290 | ft_glyphslot_alloc_bitmap( FT_GlyphSlot slot, |
| 291 | FT_ULong size ) |
| 292 | { |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 293 | FT_Memory memory = FT_FACE_MEMORY( slot->face ); |
| 294 | FT_Error error; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 295 | |
| 296 | |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 297 | if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 298 | FT_FREE( slot->bitmap.buffer ); |
| 299 | else |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 300 | slot->internal->flags |= FT_GLYPH_OWN_BITMAP; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 301 | |
David Turner | 6a681fa | 2006-01-27 12:11:22 +0000 | [diff] [blame] | 302 | (void)FT_ALLOC( slot->bitmap.buffer, size ); |
| 303 | return error; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 304 | } |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 305 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 306 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 307 | static void |
| 308 | ft_glyphslot_clear( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 309 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 310 | /* free bitmap if needed */ |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 311 | ft_glyphslot_free_bitmap( slot ); |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 312 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 313 | /* clear all public fields in the glyph slot */ |
David Turner | 3249c62 | 2002-10-31 08:30:19 +0000 | [diff] [blame] | 314 | FT_ZERO( &slot->metrics ); |
| 315 | FT_ZERO( &slot->outline ); |
| 316 | |
Werner Lemberg | 0f1c4fa | 2005-06-06 07:01:47 +0000 | [diff] [blame] | 317 | slot->bitmap.width = 0; |
| 318 | slot->bitmap.rows = 0; |
| 319 | slot->bitmap.pitch = 0; |
David Turner | 3249c62 | 2002-10-31 08:30:19 +0000 | [diff] [blame] | 320 | slot->bitmap.pixel_mode = 0; |
Werner Lemberg | 0f1c4fa | 2005-06-06 07:01:47 +0000 | [diff] [blame] | 321 | /* `slot->bitmap.buffer' has been handled by ft_glyphslot_free_bitmap */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 322 | |
| 323 | slot->bitmap_left = 0; |
| 324 | slot->bitmap_top = 0; |
| 325 | slot->num_subglyphs = 0; |
| 326 | slot->subglyphs = 0; |
| 327 | slot->control_data = 0; |
| 328 | slot->control_len = 0; |
| 329 | slot->other = 0; |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 330 | slot->format = FT_GLYPH_FORMAT_NONE; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 331 | |
| 332 | slot->linearHoriAdvance = 0; |
| 333 | slot->linearVertAdvance = 0; |
Werner Lemberg | 34f4f39 | 2004-12-09 22:22:52 +0000 | [diff] [blame] | 334 | slot->lsb_delta = 0; |
| 335 | slot->rsb_delta = 0; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 336 | } |
| 337 | |
| 338 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 339 | static void |
| 340 | ft_glyphslot_done( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 341 | { |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 342 | FT_Driver driver = slot->face->driver; |
| 343 | FT_Driver_Class clazz = driver->clazz; |
| 344 | FT_Memory memory = driver->root.memory; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 345 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 346 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 347 | if ( clazz->done_slot ) |
| 348 | clazz->done_slot( slot ); |
| 349 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 350 | /* free bitmap buffer if needed */ |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 351 | ft_glyphslot_free_bitmap( slot ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 352 | |
Werner Lemberg | c6788a3 | 2009-06-07 13:09:21 +0200 | [diff] [blame] | 353 | /* slot->internal might be NULL in out-of-memory situations */ |
| 354 | if ( slot->internal ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 355 | { |
Werner Lemberg | c6788a3 | 2009-06-07 13:09:21 +0200 | [diff] [blame] | 356 | /* free glyph loader */ |
| 357 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
| 358 | { |
| 359 | FT_GlyphLoader_Done( slot->internal->loader ); |
| 360 | slot->internal->loader = 0; |
| 361 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 362 | |
Werner Lemberg | c6788a3 | 2009-06-07 13:09:21 +0200 | [diff] [blame] | 363 | FT_FREE( slot->internal ); |
| 364 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 365 | } |
| 366 | |
| 367 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 368 | /* documentation is in ftobjs.h */ |
| 369 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 370 | FT_BASE_DEF( FT_Error ) |
| 371 | FT_New_GlyphSlot( FT_Face face, |
| 372 | FT_GlyphSlot *aslot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 373 | { |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 374 | FT_Error error; |
| 375 | FT_Driver driver; |
| 376 | FT_Driver_Class clazz; |
| 377 | FT_Memory memory; |
| 378 | FT_GlyphSlot slot; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 379 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 380 | |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 381 | if ( !face || !face->driver ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 382 | return FT_Err_Invalid_Argument; |
| 383 | |
| 384 | driver = face->driver; |
| 385 | clazz = driver->clazz; |
| 386 | memory = driver->root.memory; |
| 387 | |
| 388 | FT_TRACE4(( "FT_New_GlyphSlot: Creating new slot object\n" )); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 389 | if ( !FT_ALLOC( slot, clazz->slot_object_size ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 390 | { |
| 391 | slot->face = face; |
| 392 | |
| 393 | error = ft_glyphslot_init( slot ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 394 | if ( error ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 395 | { |
| 396 | ft_glyphslot_done( slot ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 397 | FT_FREE( slot ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 398 | goto Exit; |
| 399 | } |
| 400 | |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 401 | slot->next = face->glyph; |
| 402 | face->glyph = slot; |
| 403 | |
| 404 | if ( aslot ) |
| 405 | *aslot = slot; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 406 | } |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 407 | else if ( aslot ) |
| 408 | *aslot = 0; |
| 409 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 410 | |
| 411 | Exit: |
| 412 | FT_TRACE4(( "FT_New_GlyphSlot: Return %d\n", error )); |
| 413 | return error; |
| 414 | } |
| 415 | |
| 416 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 417 | /* documentation is in ftobjs.h */ |
| 418 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 419 | FT_BASE_DEF( void ) |
| 420 | FT_Done_GlyphSlot( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 421 | { |
| 422 | if ( slot ) |
| 423 | { |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 424 | FT_Driver driver = slot->face->driver; |
| 425 | FT_Memory memory = driver->root.memory; |
| 426 | FT_GlyphSlot prev; |
| 427 | FT_GlyphSlot cur; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 428 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 429 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 430 | /* Remove slot from its parent face's list */ |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 431 | prev = NULL; |
| 432 | cur = slot->face->glyph; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 433 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 434 | while ( cur ) |
| 435 | { |
| 436 | if ( cur == slot ) |
| 437 | { |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 438 | if ( !prev ) |
| 439 | slot->face->glyph = cur->next; |
| 440 | else |
| 441 | prev->next = cur->next; |
| 442 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 443 | ft_glyphslot_done( slot ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 444 | FT_FREE( slot ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 445 | break; |
| 446 | } |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 447 | prev = cur; |
| 448 | cur = cur->next; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 449 | } |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 454 | /* documentation is in freetype.h */ |
| 455 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 456 | FT_EXPORT_DEF( void ) |
| 457 | FT_Set_Transform( FT_Face face, |
| 458 | FT_Matrix* matrix, |
| 459 | FT_Vector* delta ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 460 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 461 | FT_Face_Internal internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 462 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 463 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 464 | if ( !face ) |
| 465 | return; |
| 466 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 467 | internal = face->internal; |
| 468 | |
| 469 | internal->transform_flags = 0; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 470 | |
| 471 | if ( !matrix ) |
| 472 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 473 | internal->transform_matrix.xx = 0x10000L; |
| 474 | internal->transform_matrix.xy = 0; |
| 475 | internal->transform_matrix.yx = 0; |
| 476 | internal->transform_matrix.yy = 0x10000L; |
| 477 | matrix = &internal->transform_matrix; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 478 | } |
| 479 | else |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 480 | internal->transform_matrix = *matrix; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 481 | |
| 482 | /* set transform_flags bit flag 0 if `matrix' isn't the identity */ |
| 483 | if ( ( matrix->xy | matrix->yx ) || |
| 484 | matrix->xx != 0x10000L || |
| 485 | matrix->yy != 0x10000L ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 486 | internal->transform_flags |= 1; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 487 | |
| 488 | if ( !delta ) |
| 489 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 490 | internal->transform_delta.x = 0; |
| 491 | internal->transform_delta.y = 0; |
| 492 | delta = &internal->transform_delta; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 493 | } |
| 494 | else |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 495 | internal->transform_delta = *delta; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 496 | |
| 497 | /* set transform_flags bit flag 1 if `delta' isn't the null vector */ |
| 498 | if ( delta->x | delta->y ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 499 | internal->transform_flags |= 2; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 500 | } |
| 501 | |
| 502 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 503 | static FT_Renderer |
| 504 | ft_lookup_glyph_renderer( FT_GlyphSlot slot ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 505 | |
| 506 | |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 507 | #ifdef GRID_FIT_METRICS |
| 508 | static void |
| 509 | ft_glyphslot_grid_fit_metrics( FT_GlyphSlot slot, |
| 510 | FT_Bool vertical ) |
| 511 | { |
| 512 | FT_Glyph_Metrics* metrics = &slot->metrics; |
| 513 | FT_Pos right, bottom; |
| 514 | |
| 515 | |
| 516 | if ( vertical ) |
| 517 | { |
| 518 | metrics->horiBearingX = FT_PIX_FLOOR( metrics->horiBearingX ); |
| 519 | metrics->horiBearingY = FT_PIX_CEIL ( metrics->horiBearingY ); |
| 520 | |
| 521 | right = FT_PIX_CEIL( metrics->vertBearingX + metrics->width ); |
| 522 | bottom = FT_PIX_CEIL( metrics->vertBearingY + metrics->height ); |
| 523 | |
| 524 | metrics->vertBearingX = FT_PIX_FLOOR( metrics->vertBearingX ); |
| 525 | metrics->vertBearingY = FT_PIX_FLOOR( metrics->vertBearingY ); |
| 526 | |
| 527 | metrics->width = right - metrics->vertBearingX; |
| 528 | metrics->height = bottom - metrics->vertBearingY; |
| 529 | } |
| 530 | else |
| 531 | { |
| 532 | metrics->vertBearingX = FT_PIX_FLOOR( metrics->vertBearingX ); |
| 533 | metrics->vertBearingY = FT_PIX_FLOOR( metrics->vertBearingY ); |
| 534 | |
| 535 | right = FT_PIX_CEIL ( metrics->horiBearingX + metrics->width ); |
| 536 | bottom = FT_PIX_FLOOR( metrics->horiBearingY - metrics->height ); |
| 537 | |
| 538 | metrics->horiBearingX = FT_PIX_FLOOR( metrics->horiBearingX ); |
| 539 | metrics->horiBearingY = FT_PIX_CEIL ( metrics->horiBearingY ); |
| 540 | |
| 541 | metrics->width = right - metrics->horiBearingX; |
| 542 | metrics->height = metrics->horiBearingY - bottom; |
| 543 | } |
| 544 | |
| 545 | metrics->horiAdvance = FT_PIX_ROUND( metrics->horiAdvance ); |
| 546 | metrics->vertAdvance = FT_PIX_ROUND( metrics->vertAdvance ); |
| 547 | } |
| 548 | #endif /* GRID_FIT_METRICS */ |
| 549 | |
| 550 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 551 | /* documentation is in freetype.h */ |
| 552 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 553 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | 6b5c669 | 2002-09-05 15:10:54 +0000 | [diff] [blame] | 554 | FT_Load_Glyph( FT_Face face, |
| 555 | FT_UInt glyph_index, |
| 556 | FT_Int32 load_flags ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 557 | { |
| 558 | FT_Error error; |
| 559 | FT_Driver driver; |
| 560 | FT_GlyphSlot slot; |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 561 | FT_Library library; |
Werner Lemberg | b972a2a | 2008-12-11 08:55:48 +0000 | [diff] [blame] | 562 | FT_Bool autohint = FALSE; |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 563 | FT_Module hinter; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 564 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 565 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 566 | if ( !face || !face->size || !face->glyph ) |
| 567 | return FT_Err_Invalid_Face_Handle; |
| 568 | |
Werner Lemberg | 913a365 | 2006-11-19 09:19:17 +0000 | [diff] [blame] | 569 | /* The validity test for `glyph_index' is performed by the */ |
| 570 | /* font drivers. */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 571 | |
| 572 | slot = face->glyph; |
| 573 | ft_glyphslot_clear( slot ); |
| 574 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 575 | driver = face->driver; |
| 576 | library = driver->root.library; |
| 577 | hinter = library->auto_hinter; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 578 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 579 | /* resolve load flags dependencies */ |
| 580 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 581 | if ( load_flags & FT_LOAD_NO_RECURSE ) |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 582 | load_flags |= FT_LOAD_NO_SCALE | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 583 | FT_LOAD_IGNORE_TRANSFORM; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 584 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 585 | if ( load_flags & FT_LOAD_NO_SCALE ) |
| 586 | { |
| 587 | load_flags |= FT_LOAD_NO_HINTING | |
| 588 | FT_LOAD_NO_BITMAP; |
| 589 | |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 590 | load_flags &= ~FT_LOAD_RENDER; |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 591 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 592 | |
Werner Lemberg | 046bf8b | 2006-10-03 08:43:42 +0000 | [diff] [blame] | 593 | /* |
| 594 | * Determine whether we need to auto-hint or not. |
| 595 | * The general rules are: |
| 596 | * |
James Cloos | 15e8e23 | 2009-05-29 12:59:42 +0200 | [diff] [blame] | 597 | * - Do only auto-hinting if we have a hinter module, a scalable font |
| 598 | * format dealing with outlines, and no transforms except simple |
| 599 | * slants and/or rotations by integer multiples of 90 degrees. |
Werner Lemberg | 046bf8b | 2006-10-03 08:43:42 +0000 | [diff] [blame] | 600 | * |
James Cloos | 15e8e23 | 2009-05-29 12:59:42 +0200 | [diff] [blame] | 601 | * - Then, auto-hint if FT_LOAD_FORCE_AUTOHINT is set or if we don't |
| 602 | * have a native font hinter. |
Werner Lemberg | 046bf8b | 2006-10-03 08:43:42 +0000 | [diff] [blame] | 603 | * |
| 604 | * - Otherwise, auto-hint for LIGHT hinting mode. |
| 605 | * |
James Cloos | 15e8e23 | 2009-05-29 12:59:42 +0200 | [diff] [blame] | 606 | * - Exception: The font is `tricky' and requires the native hinter to |
| 607 | * load properly. |
Werner Lemberg | 046bf8b | 2006-10-03 08:43:42 +0000 | [diff] [blame] | 608 | */ |
David Turner | e6bb953 | 2005-12-23 13:32:06 +0000 | [diff] [blame] | 609 | |
James Cloos | 15e8e23 | 2009-05-29 12:59:42 +0200 | [diff] [blame] | 610 | if ( hinter && |
| 611 | !( load_flags & FT_LOAD_NO_HINTING ) && |
| 612 | !( load_flags & FT_LOAD_NO_AUTOHINT ) && |
| 613 | FT_DRIVER_IS_SCALABLE( driver ) && |
| 614 | FT_DRIVER_USES_OUTLINES( driver ) && |
| 615 | !FT_IS_TRICKY( face ) && |
| 616 | ( ( face->internal->transform_matrix.yx == 0 && |
| 617 | face->internal->transform_matrix.xx != 0 ) || |
| 618 | ( face->internal->transform_matrix.xx == 0 && |
| 619 | face->internal->transform_matrix.yx != 0 ) ) ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 620 | { |
Werner Lemberg | b972a2a | 2008-12-11 08:55:48 +0000 | [diff] [blame] | 621 | if ( ( load_flags & FT_LOAD_FORCE_AUTOHINT ) || |
| 622 | !FT_DRIVER_HAS_HINTER( driver ) ) |
| 623 | autohint = TRUE; |
David Turner | df430e1 | 2006-10-01 00:09:35 +0000 | [diff] [blame] | 624 | else |
| 625 | { |
Werner Lemberg | 046bf8b | 2006-10-03 08:43:42 +0000 | [diff] [blame] | 626 | FT_Render_Mode mode = FT_LOAD_TARGET_MODE( load_flags ); |
| 627 | |
David Turner | df430e1 | 2006-10-01 00:09:35 +0000 | [diff] [blame] | 628 | |
| 629 | if ( mode == FT_RENDER_MODE_LIGHT || |
| 630 | face->internal->ignore_unpatented_hinter ) |
Werner Lemberg | b972a2a | 2008-12-11 08:55:48 +0000 | [diff] [blame] | 631 | autohint = TRUE; |
David Turner | df430e1 | 2006-10-01 00:09:35 +0000 | [diff] [blame] | 632 | } |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 633 | } |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 634 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 635 | if ( autohint ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 636 | { |
David Turner | 9657ef0 | 2002-03-14 08:49:59 +0000 | [diff] [blame] | 637 | FT_AutoHinter_Service hinting; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 638 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 639 | |
Werner Lemberg | 0d53511 | 2001-12-19 22:26:12 +0000 | [diff] [blame] | 640 | /* try to load embedded bitmaps first if available */ |
| 641 | /* */ |
| 642 | /* XXX: This is really a temporary hack that should disappear */ |
| 643 | /* promptly with FreeType 2.1! */ |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 644 | /* */ |
Werner Lemberg | eacb930 | 2002-10-07 10:12:43 +0000 | [diff] [blame] | 645 | if ( FT_HAS_FIXED_SIZES( face ) && |
David Turner | 80171e0 | 2002-10-05 14:57:03 +0000 | [diff] [blame] | 646 | ( load_flags & FT_LOAD_NO_BITMAP ) == 0 ) |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 647 | { |
| 648 | error = driver->clazz->load_glyph( slot, face->size, |
| 649 | glyph_index, |
| 650 | load_flags | FT_LOAD_SBITS_ONLY ); |
| 651 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 652 | if ( !error && slot->format == FT_GLYPH_FORMAT_BITMAP ) |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 653 | goto Load_Ok; |
| 654 | } |
| 655 | |
Werner Lemberg | 6d29f0f | 2008-05-03 15:54:15 +0000 | [diff] [blame] | 656 | { |
| 657 | FT_Face_Internal internal = face->internal; |
| 658 | FT_Int transform_flags = internal->transform_flags; |
David Turner | 76a5f62 | 2000-11-04 01:55:49 +0000 | [diff] [blame] | 659 | |
Werner Lemberg | 6d29f0f | 2008-05-03 15:54:15 +0000 | [diff] [blame] | 660 | |
| 661 | /* since the auto-hinter calls FT_Load_Glyph by itself, */ |
| 662 | /* make sure that glyphs aren't transformed */ |
| 663 | internal->transform_flags = 0; |
| 664 | |
| 665 | /* load auto-hinted outline */ |
| 666 | hinting = (FT_AutoHinter_Service)hinter->clazz->module_interface; |
| 667 | |
| 668 | error = hinting->load_glyph( (FT_AutoHinter)hinter, |
| 669 | slot, face->size, |
| 670 | glyph_index, load_flags ); |
| 671 | |
| 672 | internal->transform_flags = transform_flags; |
| 673 | } |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 674 | } |
| 675 | else |
David Turner | 662b344 | 2002-01-03 16:56:59 +0000 | [diff] [blame] | 676 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 677 | error = driver->clazz->load_glyph( slot, |
| 678 | face->size, |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 679 | glyph_index, |
| 680 | load_flags ); |
David Turner | 662b344 | 2002-01-03 16:56:59 +0000 | [diff] [blame] | 681 | if ( error ) |
| 682 | goto Exit; |
| 683 | |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 684 | if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) |
| 685 | { |
| 686 | /* check that the loaded outline is correct */ |
| 687 | error = FT_Outline_Check( &slot->outline ); |
| 688 | if ( error ) |
| 689 | goto Exit; |
| 690 | |
| 691 | #ifdef GRID_FIT_METRICS |
| 692 | if ( !( load_flags & FT_LOAD_NO_HINTING ) ) |
| 693 | ft_glyphslot_grid_fit_metrics( slot, |
David Turner | da95af6 | 2006-03-20 13:32:33 +0000 | [diff] [blame] | 694 | FT_BOOL( load_flags & FT_LOAD_VERTICAL_LAYOUT ) ); |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 695 | #endif |
| 696 | } |
David Turner | 662b344 | 2002-01-03 16:56:59 +0000 | [diff] [blame] | 697 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 698 | |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 699 | Load_Ok: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 700 | /* compute the advance */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 701 | if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 702 | { |
| 703 | slot->advance.x = 0; |
| 704 | slot->advance.y = slot->metrics.vertAdvance; |
| 705 | } |
| 706 | else |
| 707 | { |
| 708 | slot->advance.x = slot->metrics.horiAdvance; |
| 709 | slot->advance.y = 0; |
| 710 | } |
| 711 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 712 | /* compute the linear advance in 16.16 pixels */ |
Werner Lemberg | 38449dc | 2009-10-26 07:26:25 +0100 | [diff] [blame] | 713 | if ( ( load_flags & FT_LOAD_LINEAR_DESIGN ) == 0 && |
| 714 | ( FT_IS_SCALABLE( face ) ) ) |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 715 | { |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 716 | FT_Size_Metrics* metrics = &face->size->metrics; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 717 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 718 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 719 | /* it's tricky! */ |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 720 | slot->linearHoriAdvance = FT_MulDiv( slot->linearHoriAdvance, |
Werner Lemberg | be67c4e | 2003-11-24 22:54:58 +0000 | [diff] [blame] | 721 | metrics->x_scale, 64 ); |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 722 | |
| 723 | slot->linearVertAdvance = FT_MulDiv( slot->linearVertAdvance, |
Werner Lemberg | be67c4e | 2003-11-24 22:54:58 +0000 | [diff] [blame] | 724 | metrics->y_scale, 64 ); |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 725 | } |
| 726 | |
| 727 | if ( ( load_flags & FT_LOAD_IGNORE_TRANSFORM ) == 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 728 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 729 | FT_Face_Internal internal = face->internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 730 | |
| 731 | |
Werner Lemberg | d1b7475 | 2000-08-24 16:29:15 +0000 | [diff] [blame] | 732 | /* now, transform the glyph image if needed */ |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 733 | if ( internal->transform_flags ) |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 734 | { |
| 735 | /* get renderer */ |
| 736 | FT_Renderer renderer = ft_lookup_glyph_renderer( slot ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 737 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 738 | |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 739 | if ( renderer ) |
Werner Lemberg | dc72aff | 2000-11-04 08:33:38 +0000 | [diff] [blame] | 740 | error = renderer->clazz->transform_glyph( |
| 741 | renderer, slot, |
| 742 | &internal->transform_matrix, |
| 743 | &internal->transform_delta ); |
Werner Lemberg | 13fa21b | 2010-01-14 21:34:08 +0100 | [diff] [blame] | 744 | else if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) |
| 745 | { |
| 746 | /* apply `standard' transformation if no renderer is available */ |
| 747 | if ( &internal->transform_matrix ) |
| 748 | FT_Outline_Transform( &slot->outline, |
| 749 | &internal->transform_matrix ); |
| 750 | |
| 751 | if ( &internal->transform_delta ) |
| 752 | FT_Outline_Translate( &slot->outline, |
| 753 | internal->transform_delta.x, |
| 754 | internal->transform_delta.y ); |
| 755 | } |
| 756 | |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 757 | /* transform advance */ |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 758 | FT_Vector_Transform( &slot->advance, &internal->transform_matrix ); |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 759 | } |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 760 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 761 | |
Werner Lemberg | c4b2214 | 2009-11-15 10:10:00 +0100 | [diff] [blame] | 762 | FT_TRACE5(( " x advance: %d\n" , slot->advance.x )); |
| 763 | FT_TRACE5(( " y advance: %d\n" , slot->advance.y )); |
| 764 | |
| 765 | FT_TRACE5(( " linear x advance: %d\n" , slot->linearHoriAdvance )); |
| 766 | FT_TRACE5(( " linear y advance: %d\n" , slot->linearVertAdvance )); |
| 767 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 768 | /* do we need to render the image now? */ |
| 769 | if ( !error && |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 770 | slot->format != FT_GLYPH_FORMAT_BITMAP && |
| 771 | slot->format != FT_GLYPH_FORMAT_COMPOSITE && |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 772 | load_flags & FT_LOAD_RENDER ) |
| 773 | { |
David Turner | 00d9f40 | 2002-09-08 21:29:11 +0000 | [diff] [blame] | 774 | FT_Render_Mode mode = FT_LOAD_TARGET_MODE( load_flags ); |
| 775 | |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 776 | |
David Turner | 00d9f40 | 2002-09-08 21:29:11 +0000 | [diff] [blame] | 777 | if ( mode == FT_RENDER_MODE_NORMAL && |
| 778 | (load_flags & FT_LOAD_MONOCHROME ) ) |
| 779 | mode = FT_RENDER_MODE_MONO; |
| 780 | |
| 781 | error = FT_Render_Glyph( slot, mode ); |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 782 | } |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 783 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 784 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 785 | return error; |
| 786 | } |
| 787 | |
| 788 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 789 | /* documentation is in freetype.h */ |
| 790 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 791 | FT_EXPORT_DEF( FT_Error ) |
| 792 | FT_Load_Char( FT_Face face, |
| 793 | FT_ULong char_code, |
David Turner | f467e6a | 2002-08-21 21:39:28 +0000 | [diff] [blame] | 794 | FT_Int32 load_flags ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 795 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 796 | FT_UInt glyph_index; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 797 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 798 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 799 | if ( !face ) |
| 800 | return FT_Err_Invalid_Face_Handle; |
| 801 | |
| 802 | glyph_index = (FT_UInt)char_code; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 803 | if ( face->charmap ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 804 | glyph_index = FT_Get_Char_Index( face, char_code ); |
| 805 | |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 806 | return FT_Load_Glyph( face, glyph_index, load_flags ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 807 | } |
| 808 | |
| 809 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 810 | /* destructor for sizes list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 811 | static void |
| 812 | destroy_size( FT_Memory memory, |
| 813 | FT_Size size, |
| 814 | FT_Driver driver ) |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 815 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 816 | /* finalize client-specific data */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 817 | if ( size->generic.finalizer ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 818 | size->generic.finalizer( size ); |
| 819 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 820 | /* finalize format-specific stuff */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 821 | if ( driver->clazz->done_size ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 822 | driver->clazz->done_size( size ); |
| 823 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 824 | FT_FREE( size->internal ); |
| 825 | FT_FREE( size ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 826 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 827 | |
| 828 | |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 829 | static void |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 830 | ft_cmap_done_internal( FT_CMap cmap ); |
| 831 | |
| 832 | |
| 833 | static void |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 834 | destroy_charmaps( FT_Face face, |
| 835 | FT_Memory memory ) |
| 836 | { |
| 837 | FT_Int n; |
| 838 | |
| 839 | |
Werner Lemberg | 3d507fe | 2007-06-03 16:54:55 +0000 | [diff] [blame] | 840 | if ( !face ) |
| 841 | return; |
| 842 | |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 843 | for ( n = 0; n < face->num_charmaps; n++ ) |
| 844 | { |
| 845 | FT_CMap cmap = FT_CMAP( face->charmaps[n] ); |
| 846 | |
| 847 | |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 848 | ft_cmap_done_internal( cmap ); |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 849 | |
| 850 | face->charmaps[n] = NULL; |
| 851 | } |
| 852 | |
| 853 | FT_FREE( face->charmaps ); |
| 854 | face->num_charmaps = 0; |
| 855 | } |
| 856 | |
| 857 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 858 | /* destructor for faces list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 859 | static void |
| 860 | destroy_face( FT_Memory memory, |
| 861 | FT_Face face, |
| 862 | FT_Driver driver ) |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 863 | { |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 864 | FT_Driver_Class clazz = driver->clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 865 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 866 | |
David Turner | c49f69c | 2000-07-20 03:44:50 +0000 | [diff] [blame] | 867 | /* discard auto-hinting data */ |
| 868 | if ( face->autohint.finalizer ) |
| 869 | face->autohint.finalizer( face->autohint.data ); |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 870 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 871 | /* Discard glyph slots for this face. */ |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 872 | /* Beware! FT_Done_GlyphSlot() changes the field `face->glyph' */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 873 | while ( face->glyph ) |
| 874 | FT_Done_GlyphSlot( face->glyph ); |
| 875 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 876 | /* discard all sizes for this face */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 877 | FT_List_Finalize( &face->sizes_list, |
Werner Lemberg | 7418415 | 2003-10-18 16:56:13 +0000 | [diff] [blame] | 878 | (FT_List_Destructor)destroy_size, |
| 879 | memory, |
| 880 | driver ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 881 | face->size = 0; |
| 882 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 883 | /* now discard client data */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 884 | if ( face->generic.finalizer ) |
| 885 | face->generic.finalizer( face ); |
| 886 | |
David Turner | 2ded2c1 | 2002-03-22 22:37:40 +0000 | [diff] [blame] | 887 | /* discard charmaps */ |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 888 | destroy_charmaps( face, memory ); |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 889 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 890 | /* finalize format-specific stuff */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 891 | if ( clazz->done_face ) |
| 892 | clazz->done_face( face ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 893 | |
| 894 | /* close the stream for this face if needed */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 895 | FT_Stream_Free( |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 896 | face->stream, |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 897 | ( face->face_flags & FT_FACE_FLAG_EXTERNAL_STREAM ) != 0 ); |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 898 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 899 | face->stream = 0; |
| 900 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 901 | /* get rid of it */ |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 902 | if ( face->internal ) |
| 903 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 904 | FT_FREE( face->internal ); |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 905 | } |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 906 | FT_FREE( face ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 907 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 908 | |
| 909 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 910 | static void |
| 911 | Destroy_Driver( FT_Driver driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 912 | { |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 913 | FT_List_Finalize( &driver->faces_list, |
| 914 | (FT_List_Destructor)destroy_face, |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 915 | driver->root.memory, |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 916 | driver ); |
| 917 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 918 | /* check whether we need to drop the driver's glyph loader */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 919 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 920 | FT_GlyphLoader_Done( driver->glyph_loader ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 921 | } |
| 922 | |
| 923 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 924 | /*************************************************************************/ |
| 925 | /* */ |
| 926 | /* <Function> */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 927 | /* find_unicode_charmap */ |
| 928 | /* */ |
| 929 | /* <Description> */ |
| 930 | /* This function finds a Unicode charmap, if there is one. */ |
| 931 | /* And if there is more than one, it tries to favour the more */ |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 932 | /* extensive one, i.e., one that supports UCS-4 against those which */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 933 | /* are limited to the BMP (said UCS-2 encoding.) */ |
| 934 | /* */ |
| 935 | /* This function is called from open_face() (just below), and also */ |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 936 | /* from FT_Select_Charmap( ..., FT_ENCODING_UNICODE ). */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 937 | /* */ |
| 938 | static FT_Error |
| 939 | find_unicode_charmap( FT_Face face ) |
| 940 | { |
| 941 | FT_CharMap* first; |
| 942 | FT_CharMap* cur; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 943 | |
| 944 | |
| 945 | /* caller should have already checked that `face' is valid */ |
Werner Lemberg | 7418415 | 2003-10-18 16:56:13 +0000 | [diff] [blame] | 946 | FT_ASSERT( face ); |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 947 | |
| 948 | first = face->charmaps; |
| 949 | |
| 950 | if ( !first ) |
| 951 | return FT_Err_Invalid_CharMap_Handle; |
| 952 | |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 953 | /* |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 954 | * The original TrueType specification(s) only specified charmap |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 955 | * formats that are capable of mapping 8 or 16 bit character codes to |
| 956 | * glyph indices. |
| 957 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 958 | * However, recent updates to the Apple and OpenType specifications |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 959 | * introduced new formats that are capable of mapping 32-bit character |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 960 | * codes as well. And these are already used on some fonts, mainly to |
David Turner | ae26c68 | 2003-02-25 20:37:50 +0000 | [diff] [blame] | 961 | * map non-BMP Asian ideographs as defined in Unicode. |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 962 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 963 | * For compatibility purposes, these fonts generally come with |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 964 | * *several* Unicode charmaps: |
| 965 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 966 | * - One of them in the "old" 16-bit format, that cannot access |
| 967 | * all glyphs in the font. |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 968 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 969 | * - Another one in the "new" 32-bit format, that can access all |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 970 | * the glyphs. |
| 971 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 972 | * This function has been written to always favor a 32-bit charmap |
| 973 | * when found. Otherwise, a 16-bit one is returned when found. |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 974 | */ |
| 975 | |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 976 | /* Since the `interesting' table, with IDs (3,10), is normally the */ |
Werner Lemberg | 1e259de | 2007-03-08 15:39:21 +0000 | [diff] [blame] | 977 | /* last one, we loop backwards. This loses with type1 fonts with */ |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 978 | /* non-BMP characters (<.0001%), this wins with .ttf with non-BMP */ |
| 979 | /* chars (.01% ?), and this is the same about 99.99% of the time! */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 980 | |
| 981 | cur = first + face->num_charmaps; /* points after the last one */ |
| 982 | |
| 983 | for ( ; --cur >= first; ) |
| 984 | { |
| 985 | if ( cur[0]->encoding == FT_ENCODING_UNICODE ) |
| 986 | { |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 987 | /* XXX If some new encodings to represent UCS-4 are added, */ |
| 988 | /* they should be added here. */ |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 989 | if ( ( cur[0]->platform_id == TT_PLATFORM_MICROSOFT && |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 990 | cur[0]->encoding_id == TT_MS_ID_UCS_4 ) || |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 991 | ( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE && |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 992 | cur[0]->encoding_id == TT_APPLE_ID_UNICODE_32 ) ) |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 993 | { |
| 994 | face->charmap = cur[0]; |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 995 | return FT_Err_Ok; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 996 | } |
| 997 | } |
| 998 | } |
| 999 | |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 1000 | /* We do not have any UCS-4 charmap. */ |
| 1001 | /* Do the loop again and search for UCS-2 charmaps. */ |
| 1002 | cur = first + face->num_charmaps; |
| 1003 | |
| 1004 | for ( ; --cur >= first; ) |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1005 | { |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 1006 | if ( cur[0]->encoding == FT_ENCODING_UNICODE ) |
| 1007 | { |
| 1008 | face->charmap = cur[0]; |
| 1009 | return FT_Err_Ok; |
| 1010 | } |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1011 | } |
| 1012 | |
David Turner | 6453a81 | 2003-01-08 09:28:34 +0000 | [diff] [blame] | 1013 | return FT_Err_Invalid_CharMap_Handle; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1014 | } |
| 1015 | |
| 1016 | |
| 1017 | /*************************************************************************/ |
| 1018 | /* */ |
| 1019 | /* <Function> */ |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 1020 | /* find_variant_selector_charmap */ |
| 1021 | /* */ |
| 1022 | /* <Description> */ |
| 1023 | /* This function finds the variant selector charmap, if there is one. */ |
| 1024 | /* There can only be one (platform=0, specific=5, format=14). */ |
| 1025 | /* */ |
| 1026 | static FT_CharMap |
| 1027 | find_variant_selector_charmap( FT_Face face ) |
| 1028 | { |
| 1029 | FT_CharMap* first; |
| 1030 | FT_CharMap* end; |
| 1031 | FT_CharMap* cur; |
| 1032 | |
| 1033 | |
| 1034 | /* caller should have already checked that `face' is valid */ |
| 1035 | FT_ASSERT( face ); |
| 1036 | |
| 1037 | first = face->charmaps; |
| 1038 | |
| 1039 | if ( !first ) |
| 1040 | return NULL; |
| 1041 | |
| 1042 | end = first + face->num_charmaps; /* points after the last one */ |
| 1043 | |
| 1044 | for ( cur = first; cur < end; ++cur ) |
| 1045 | { |
| 1046 | if ( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE && |
| 1047 | cur[0]->encoding_id == TT_APPLE_ID_VARIANT_SELECTOR && |
| 1048 | FT_Get_CMap_Format( cur[0] ) == 14 ) |
| 1049 | return cur[0]; |
| 1050 | } |
| 1051 | |
| 1052 | return NULL; |
| 1053 | } |
| 1054 | |
| 1055 | |
| 1056 | /*************************************************************************/ |
| 1057 | /* */ |
| 1058 | /* <Function> */ |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1059 | /* open_face */ |
| 1060 | /* */ |
| 1061 | /* <Description> */ |
| 1062 | /* This function does some work for FT_Open_Face(). */ |
| 1063 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1064 | static FT_Error |
| 1065 | open_face( FT_Driver driver, |
| 1066 | FT_Stream stream, |
| 1067 | FT_Long face_index, |
| 1068 | FT_Int num_params, |
| 1069 | FT_Parameter* params, |
Werner Lemberg | 6d79899 | 2003-07-01 07:28:55 +0000 | [diff] [blame] | 1070 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1071 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1072 | FT_Memory memory; |
Werner Lemberg | 77c34b8 | 2003-05-20 22:06:38 +0000 | [diff] [blame] | 1073 | FT_Driver_Class clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1074 | FT_Face face = 0; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1075 | FT_Error error, error2; |
David Turner | 6a681fa | 2006-01-27 12:11:22 +0000 | [diff] [blame] | 1076 | FT_Face_Internal internal = NULL; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1077 | |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 1078 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1079 | clazz = driver->clazz; |
| 1080 | memory = driver->root.memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1081 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1082 | /* allocate the face object and perform basic initialization */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1083 | if ( FT_ALLOC( face, clazz->face_object_size ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1084 | goto Fail; |
| 1085 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1086 | if ( FT_NEW( internal ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1087 | goto Fail; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1088 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1089 | face->internal = internal; |
| 1090 | |
| 1091 | face->driver = driver; |
| 1092 | face->memory = memory; |
| 1093 | face->stream = stream; |
Graham Asher | ce12182 | 2002-08-01 15:29:17 +0000 | [diff] [blame] | 1094 | |
Graham Asher | d53cf1d | 2002-07-18 15:04:29 +0000 | [diff] [blame] | 1095 | #ifdef FT_CONFIG_OPTION_INCREMENTAL |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 1096 | { |
| 1097 | int i; |
| 1098 | |
| 1099 | |
| 1100 | face->internal->incremental_interface = 0; |
| 1101 | for ( i = 0; i < num_params && !face->internal->incremental_interface; |
| 1102 | i++ ) |
| 1103 | if ( params[i].tag == FT_PARAM_TAG_INCREMENTAL ) |
Werner Lemberg | 1e1b6df | 2007-07-07 07:30:40 +0000 | [diff] [blame] | 1104 | face->internal->incremental_interface = |
| 1105 | (FT_Incremental_Interface)params[i].data; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1106 | } |
Graham Asher | d53cf1d | 2002-07-18 15:04:29 +0000 | [diff] [blame] | 1107 | #endif |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1108 | |
Werner Lemberg | f3200fa | 2008-06-10 04:57:57 +0000 | [diff] [blame] | 1109 | if ( clazz->init_face ) |
Werner Lemberg | 102bb83 | 2008-06-10 04:57:19 +0000 | [diff] [blame] | 1110 | error = clazz->init_face( stream, |
| 1111 | face, |
| 1112 | (FT_Int)face_index, |
| 1113 | num_params, |
| 1114 | params ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1115 | if ( error ) |
| 1116 | goto Fail; |
| 1117 | |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 1118 | /* select Unicode charmap by default */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1119 | error2 = find_unicode_charmap( face ); |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 1120 | |
Werner Lemberg | 6d79899 | 2003-07-01 07:28:55 +0000 | [diff] [blame] | 1121 | /* if no Unicode charmap can be found, FT_Err_Invalid_CharMap_Handle */ |
| 1122 | /* is returned. */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1123 | |
Werner Lemberg | 6d79899 | 2003-07-01 07:28:55 +0000 | [diff] [blame] | 1124 | /* no error should happen, but we want to play safe */ |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 1125 | if ( error2 && error2 != FT_Err_Invalid_CharMap_Handle ) |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 1126 | { |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1127 | error = error2; |
| 1128 | goto Fail; |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 1129 | } |
| 1130 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1131 | *aface = face; |
| 1132 | |
| 1133 | Fail: |
| 1134 | if ( error ) |
| 1135 | { |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 1136 | destroy_charmaps( face, memory ); |
Werner Lemberg | 102bb83 | 2008-06-10 04:57:19 +0000 | [diff] [blame] | 1137 | if ( clazz->done_face ) |
| 1138 | clazz->done_face( face ); |
Werner Lemberg | 77c34b8 | 2003-05-20 22:06:38 +0000 | [diff] [blame] | 1139 | FT_FREE( internal ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1140 | FT_FREE( face ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1141 | *aface = 0; |
| 1142 | } |
| 1143 | |
| 1144 | return error; |
| 1145 | } |
| 1146 | |
| 1147 | |
Werner Lemberg | 05c21b8 | 2000-07-29 20:38:19 +0000 | [diff] [blame] | 1148 | /* there's a Mac-specific extended implementation of FT_New_Face() */ |
Werner Lemberg | 4d631e4 | 2002-05-27 13:02:37 +0000 | [diff] [blame] | 1149 | /* in src/base/ftmac.c */ |
Werner Lemberg | 05c21b8 | 2000-07-29 20:38:19 +0000 | [diff] [blame] | 1150 | |
Suzuki, Toshiya (鈴木俊哉) | 9e2b990 | 2008-10-03 11:52:22 +0000 | [diff] [blame] | 1151 | #if !defined( FT_MACINTOSH ) || defined( DARWIN_NO_CARBON ) |
Just van Rossum | 9e830c5 | 2000-07-28 01:12:34 +0000 | [diff] [blame] | 1152 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1153 | /* documentation is in freetype.h */ |
| 1154 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1155 | FT_EXPORT_DEF( FT_Error ) |
| 1156 | FT_New_Face( FT_Library library, |
| 1157 | const char* pathname, |
| 1158 | FT_Long face_index, |
| 1159 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1160 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1161 | FT_Open_Args args; |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1162 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1163 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1164 | /* test for valid `library' and `aface' delayed to FT_Open_Face() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1165 | if ( !pathname ) |
| 1166 | return FT_Err_Invalid_Argument; |
| 1167 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1168 | args.flags = FT_OPEN_PATHNAME; |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1169 | args.pathname = (char*)pathname; |
Werner Lemberg | b66efef | 2009-03-12 08:07:49 +0000 | [diff] [blame] | 1170 | args.stream = NULL; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1171 | |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1172 | return FT_Open_Face( library, &args, face_index, aface ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1173 | } |
| 1174 | |
Suzuki, Toshiya (鈴木俊哉) | 9e2b990 | 2008-10-03 11:52:22 +0000 | [diff] [blame] | 1175 | #endif /* defined( FT_MACINTOSH ) && !defined( DARWIN_NO_CARBON ) */ |
Just van Rossum | 9e830c5 | 2000-07-28 01:12:34 +0000 | [diff] [blame] | 1176 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1177 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1178 | /* documentation is in freetype.h */ |
| 1179 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1180 | FT_EXPORT_DEF( FT_Error ) |
| 1181 | FT_New_Memory_Face( FT_Library library, |
| 1182 | const FT_Byte* file_base, |
| 1183 | FT_Long file_size, |
| 1184 | FT_Long face_index, |
| 1185 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1186 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1187 | FT_Open_Args args; |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1188 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1189 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1190 | /* test for valid `library' and `face' delayed to FT_Open_Face() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1191 | if ( !file_base ) |
| 1192 | return FT_Err_Invalid_Argument; |
| 1193 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1194 | args.flags = FT_OPEN_MEMORY; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1195 | args.memory_base = file_base; |
| 1196 | args.memory_size = file_size; |
Werner Lemberg | b66efef | 2009-03-12 08:07:49 +0000 | [diff] [blame] | 1197 | args.stream = NULL; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1198 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1199 | return FT_Open_Face( library, &args, face_index, aface ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1200 | } |
| 1201 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1202 | |
Werner Lemberg | 0219728 | 2008-11-29 09:31:44 +0000 | [diff] [blame] | 1203 | #ifdef FT_CONFIG_OPTION_MAC_FONTS |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1204 | |
| 1205 | /* The behavior here is very similar to that in base/ftmac.c, but it */ |
| 1206 | /* is designed to work on non-mac systems, so no mac specific calls. */ |
| 1207 | /* */ |
| 1208 | /* We look at the file and determine if it is a mac dfont file or a mac */ |
| 1209 | /* resource file, or a macbinary file containing a mac resource file. */ |
| 1210 | /* */ |
| 1211 | /* Unlike ftmac I'm not going to look at a `FOND'. I don't really see */ |
| 1212 | /* the point, especially since there may be multiple `FOND' resources. */ |
| 1213 | /* Instead I'll just look for `sfnt' and `POST' resources, ordered as */ |
| 1214 | /* they occur in the file. */ |
| 1215 | /* */ |
| 1216 | /* Note that multiple `POST' resources do not mean multiple postscript */ |
| 1217 | /* fonts; they all get jammed together to make what is essentially a */ |
| 1218 | /* pfb file. */ |
| 1219 | /* */ |
| 1220 | /* We aren't interested in `NFNT' or `FONT' bitmap resources. */ |
| 1221 | /* */ |
| 1222 | /* As soon as we get an `sfnt' load it into memory and pass it off to */ |
| 1223 | /* FT_Open_Face. */ |
| 1224 | /* */ |
| 1225 | /* If we have a (set of) `POST' resources, massage them into a (memory) */ |
| 1226 | /* pfb file and pass that to FT_Open_Face. (As with ftmac.c I'm not */ |
| 1227 | /* going to try to save the kerning info. After all that lives in the */ |
| 1228 | /* `FOND' which isn't in the file containing the `POST' resources so */ |
| 1229 | /* we don't really have access to it. */ |
| 1230 | |
| 1231 | |
Werner Lemberg | cff15b0 | 2008-10-02 05:38:29 +0000 | [diff] [blame] | 1232 | /* Finalizer for a memory stream; gets called by FT_Done_Face(). */ |
| 1233 | /* It frees the memory it uses. */ |
| 1234 | /* From ftmac.c. */ |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1235 | static void |
| 1236 | memory_stream_close( FT_Stream stream ) |
| 1237 | { |
| 1238 | FT_Memory memory = stream->memory; |
| 1239 | |
| 1240 | |
| 1241 | FT_FREE( stream->base ); |
| 1242 | |
| 1243 | stream->size = 0; |
| 1244 | stream->base = 0; |
| 1245 | stream->close = 0; |
| 1246 | } |
| 1247 | |
| 1248 | |
| 1249 | /* Create a new memory stream from a buffer and a size. */ |
Werner Lemberg | cff15b0 | 2008-10-02 05:38:29 +0000 | [diff] [blame] | 1250 | /* From ftmac.c. */ |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1251 | static FT_Error |
| 1252 | new_memory_stream( FT_Library library, |
| 1253 | FT_Byte* base, |
| 1254 | FT_ULong size, |
| 1255 | FT_Stream_CloseFunc close, |
| 1256 | FT_Stream *astream ) |
| 1257 | { |
| 1258 | FT_Error error; |
| 1259 | FT_Memory memory; |
| 1260 | FT_Stream stream; |
| 1261 | |
| 1262 | |
| 1263 | if ( !library ) |
| 1264 | return FT_Err_Invalid_Library_Handle; |
| 1265 | |
| 1266 | if ( !base ) |
| 1267 | return FT_Err_Invalid_Argument; |
| 1268 | |
| 1269 | *astream = 0; |
| 1270 | memory = library->memory; |
| 1271 | if ( FT_NEW( stream ) ) |
| 1272 | goto Exit; |
| 1273 | |
| 1274 | FT_Stream_OpenMemory( stream, base, size ); |
| 1275 | |
| 1276 | stream->close = close; |
| 1277 | |
| 1278 | *astream = stream; |
| 1279 | |
| 1280 | Exit: |
| 1281 | return error; |
| 1282 | } |
| 1283 | |
| 1284 | |
| 1285 | /* Create a new FT_Face given a buffer and a driver name. */ |
| 1286 | /* from ftmac.c */ |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 1287 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1288 | open_face_from_buffer( FT_Library library, |
| 1289 | FT_Byte* base, |
| 1290 | FT_ULong size, |
| 1291 | FT_Long face_index, |
| 1292 | const char* driver_name, |
| 1293 | FT_Face *aface ) |
| 1294 | { |
| 1295 | FT_Open_Args args; |
| 1296 | FT_Error error; |
Werner Lemberg | 607dec7 | 2007-05-15 06:49:37 +0000 | [diff] [blame] | 1297 | FT_Stream stream = NULL; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1298 | FT_Memory memory = library->memory; |
| 1299 | |
| 1300 | |
| 1301 | error = new_memory_stream( library, |
| 1302 | base, |
| 1303 | size, |
| 1304 | memory_stream_close, |
| 1305 | &stream ); |
| 1306 | if ( error ) |
| 1307 | { |
| 1308 | FT_FREE( base ); |
| 1309 | return error; |
| 1310 | } |
| 1311 | |
| 1312 | args.flags = FT_OPEN_STREAM; |
| 1313 | args.stream = stream; |
| 1314 | if ( driver_name ) |
| 1315 | { |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 1316 | args.flags = args.flags | FT_OPEN_DRIVER; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1317 | args.driver = FT_Get_Module( library, driver_name ); |
| 1318 | } |
| 1319 | |
Werner Lemberg | 0219728 | 2008-11-29 09:31:44 +0000 | [diff] [blame] | 1320 | #ifdef FT_MACINTOSH |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 1321 | /* At this point, face_index has served its purpose; */ |
| 1322 | /* whoever calls this function has already used it to */ |
| 1323 | /* locate the correct font data. We should not propagate */ |
| 1324 | /* this index to FT_Open_Face() (unless it is negative). */ |
| 1325 | |
| 1326 | if ( face_index > 0 ) |
| 1327 | face_index = 0; |
| 1328 | #endif |
| 1329 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1330 | error = FT_Open_Face( library, &args, face_index, aface ); |
| 1331 | |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 1332 | if ( error == FT_Err_Ok ) |
| 1333 | (*aface)->face_flags &= ~FT_FACE_FLAG_EXTERNAL_STREAM; |
| 1334 | else |
Werner Lemberg | 0219728 | 2008-11-29 09:31:44 +0000 | [diff] [blame] | 1335 | #ifdef FT_MACINTOSH |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 1336 | FT_Stream_Free( stream, 0 ); |
| 1337 | #else |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1338 | { |
| 1339 | FT_Stream_Close( stream ); |
| 1340 | FT_FREE( stream ); |
| 1341 | } |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 1342 | #endif |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1343 | |
| 1344 | return error; |
| 1345 | } |
| 1346 | |
| 1347 | |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 1348 | /* Look up `TYP1' or `CID ' table from sfnt table directory. */ |
| 1349 | /* `offset' and `length' must exclude the binary header in tables. */ |
| 1350 | |
| 1351 | /* Type 1 and CID-keyed font drivers should recognize sfnt-wrapped */ |
| 1352 | /* format too. Here, since we can't expect that the TrueType font */ |
| 1353 | /* driver is loaded unconditially, we must parse the font by */ |
| 1354 | /* ourselves. We are only interested in the name of the table and */ |
Werner Lemberg | cff15b0 | 2008-10-02 05:38:29 +0000 | [diff] [blame] | 1355 | /* the offset. */ |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 1356 | |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1357 | static FT_Error |
| 1358 | ft_lookup_PS_in_sfnt_stream( FT_Stream stream, |
| 1359 | FT_Long face_index, |
| 1360 | FT_ULong* offset, |
| 1361 | FT_ULong* length, |
| 1362 | FT_Bool* is_sfnt_cid ) |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 1363 | { |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1364 | FT_Error error; |
| 1365 | FT_UShort numTables; |
| 1366 | FT_Long pstable_index; |
| 1367 | FT_ULong tag; |
| 1368 | int i; |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 1369 | |
| 1370 | |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 1371 | *offset = 0; |
| 1372 | *length = 0; |
Suzuki, Toshiya (鈴木俊哉) | bc2c498 | 2008-10-03 12:28:52 +0000 | [diff] [blame] | 1373 | *is_sfnt_cid = FALSE; |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1374 | |
Suzuki, Toshiya (鈴木俊哉) | 72eb270 | 2008-10-04 17:49:58 +0000 | [diff] [blame] | 1375 | /* TODO: support for sfnt-wrapped PS/CID in TTC format */ |
| 1376 | |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1377 | /* version check for 'typ1' (should be ignored?) */ |
| 1378 | if ( FT_READ_ULONG( tag ) ) |
| 1379 | return error; |
Suzuki, Toshiya (鈴木俊哉) | 21bd516 | 2008-10-04 18:10:28 +0000 | [diff] [blame] | 1380 | if ( tag != TTAG_typ1 ) |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1381 | return FT_Err_Unknown_File_Format; |
| 1382 | |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1383 | if ( FT_READ_USHORT( numTables ) ) |
| 1384 | return error; |
| 1385 | if ( FT_STREAM_SKIP( 2 * 3 ) ) /* skip binary search header */ |
| 1386 | return error; |
| 1387 | |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1388 | pstable_index = -1; |
Werner Lemberg | 4548958 | 2008-10-04 11:39:03 +0000 | [diff] [blame] | 1389 | *is_sfnt_cid = FALSE; |
| 1390 | |
| 1391 | for ( i = 0; i < numTables; i++ ) |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1392 | { |
Werner Lemberg | 4548958 | 2008-10-04 11:39:03 +0000 | [diff] [blame] | 1393 | if ( FT_READ_ULONG( tag ) || FT_STREAM_SKIP( 4 ) || |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1394 | FT_READ_ULONG( *offset ) || FT_READ_ULONG( *length ) ) |
| 1395 | return error; |
| 1396 | |
Suzuki, Toshiya (鈴木俊哉) | 21bd516 | 2008-10-04 18:10:28 +0000 | [diff] [blame] | 1397 | if ( tag == TTAG_CID ) |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1398 | { |
Werner Lemberg | 4548958 | 2008-10-04 11:39:03 +0000 | [diff] [blame] | 1399 | pstable_index++; |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1400 | *offset += 22; |
| 1401 | *length -= 22; |
| 1402 | *is_sfnt_cid = TRUE; |
| 1403 | if ( face_index < 0 ) |
| 1404 | return FT_Err_Ok; |
| 1405 | } |
Suzuki, Toshiya (鈴木俊哉) | 21bd516 | 2008-10-04 18:10:28 +0000 | [diff] [blame] | 1406 | else if ( tag == TTAG_TYP1 ) |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1407 | { |
Werner Lemberg | 4548958 | 2008-10-04 11:39:03 +0000 | [diff] [blame] | 1408 | pstable_index++; |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1409 | *offset += 24; |
| 1410 | *length -= 24; |
| 1411 | *is_sfnt_cid = FALSE; |
| 1412 | if ( face_index < 0 ) |
| 1413 | return FT_Err_Ok; |
| 1414 | } |
| 1415 | if ( face_index >= 0 && pstable_index == face_index ) |
| 1416 | return FT_Err_Ok; |
| 1417 | } |
| 1418 | return FT_Err_Table_Missing; |
| 1419 | } |
| 1420 | |
| 1421 | |
| 1422 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 4548958 | 2008-10-04 11:39:03 +0000 | [diff] [blame] | 1423 | open_face_PS_from_sfnt_stream( FT_Library library, |
| 1424 | FT_Stream stream, |
| 1425 | FT_Long face_index, |
| 1426 | FT_Int num_params, |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1427 | FT_Parameter *params, |
| 1428 | FT_Face *aface ) |
| 1429 | { |
| 1430 | FT_Error error; |
| 1431 | FT_Memory memory = library->memory; |
| 1432 | FT_ULong offset, length; |
| 1433 | FT_Long pos; |
| 1434 | FT_Bool is_sfnt_cid; |
| 1435 | FT_Byte* sfnt_ps; |
| 1436 | |
Werner Lemberg | 4548958 | 2008-10-04 11:39:03 +0000 | [diff] [blame] | 1437 | FT_UNUSED( num_params ); |
| 1438 | FT_UNUSED( params ); |
| 1439 | |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1440 | |
| 1441 | pos = FT_Stream_Pos( stream ); |
| 1442 | |
| 1443 | error = ft_lookup_PS_in_sfnt_stream( stream, |
| 1444 | face_index, |
| 1445 | &offset, |
| 1446 | &length, |
| 1447 | &is_sfnt_cid ); |
| 1448 | if ( error ) |
Suzuki, Toshiya (鈴木俊哉) | 5a00909 | 2009-01-22 03:50:37 +0000 | [diff] [blame] | 1449 | goto Exit; |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1450 | |
| 1451 | if ( FT_Stream_Seek( stream, pos + offset ) ) |
| 1452 | goto Exit; |
| 1453 | |
| 1454 | if ( FT_ALLOC( sfnt_ps, (FT_Long)length ) ) |
| 1455 | goto Exit; |
| 1456 | |
| 1457 | error = FT_Stream_Read( stream, (FT_Byte *)sfnt_ps, length ); |
| 1458 | if ( error ) |
| 1459 | goto Exit; |
| 1460 | |
| 1461 | error = open_face_from_buffer( library, |
| 1462 | sfnt_ps, |
| 1463 | length, |
| 1464 | face_index < 0 ? face_index : 0, |
| 1465 | is_sfnt_cid ? "cid" : "type1", |
| 1466 | aface ); |
| 1467 | Exit: |
Werner Lemberg | b66efef | 2009-03-12 08:07:49 +0000 | [diff] [blame] | 1468 | { |
| 1469 | FT_Error error1; |
| 1470 | |
| 1471 | |
| 1472 | if ( error == FT_Err_Unknown_File_Format ) |
| 1473 | { |
| 1474 | error1 = FT_Stream_Seek( stream, pos ); |
| 1475 | if ( error1 ) |
| 1476 | return error1; |
| 1477 | } |
| 1478 | |
| 1479 | return error; |
| 1480 | } |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 1481 | } |
| 1482 | |
| 1483 | |
| 1484 | #if !defined( FT_MACINTOSH ) || defined( DARWIN_NO_CARBON ) |
Werner Lemberg | cff15b0 | 2008-10-02 05:38:29 +0000 | [diff] [blame] | 1485 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1486 | /* The resource header says we've got resource_cnt `POST' (type1) */ |
| 1487 | /* resources in this file. They all need to be coalesced into */ |
| 1488 | /* one lump which gets passed on to the type1 driver. */ |
| 1489 | /* Here can be only one PostScript font in a file so face_index */ |
| 1490 | /* must be 0 (or -1). */ |
| 1491 | /* */ |
| 1492 | static FT_Error |
| 1493 | Mac_Read_POST_Resource( FT_Library library, |
| 1494 | FT_Stream stream, |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1495 | FT_Long *offsets, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1496 | FT_Long resource_cnt, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1497 | FT_Long face_index, |
| 1498 | FT_Face *aface ) |
| 1499 | { |
| 1500 | FT_Error error = FT_Err_Cannot_Open_Resource; |
| 1501 | FT_Memory memory = library->memory; |
| 1502 | FT_Byte* pfb_data; |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 1503 | int i, type, flags; |
| 1504 | FT_Long len; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1505 | FT_Long pfb_len, pfb_pos, pfb_lenpos; |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 1506 | FT_Long rlen, temp; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1507 | |
| 1508 | |
| 1509 | if ( face_index == -1 ) |
| 1510 | face_index = 0; |
| 1511 | if ( face_index != 0 ) |
Werner Lemberg | 77c34b8 | 2003-05-20 22:06:38 +0000 | [diff] [blame] | 1512 | return error; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1513 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1514 | /* Find the length of all the POST resources, concatenated. Assume */ |
| 1515 | /* worst case (each resource in its own section). */ |
| 1516 | pfb_len = 0; |
| 1517 | for ( i = 0; i < resource_cnt; ++i ) |
| 1518 | { |
| 1519 | error = FT_Stream_Seek( stream, offsets[i] ); |
| 1520 | if ( error ) |
| 1521 | goto Exit; |
| 1522 | if ( FT_READ_LONG( temp ) ) |
| 1523 | goto Exit; |
| 1524 | pfb_len += temp + 6; |
| 1525 | } |
| 1526 | |
| 1527 | if ( FT_ALLOC( pfb_data, (FT_Long)pfb_len + 2 ) ) |
| 1528 | goto Exit; |
| 1529 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 1530 | pfb_data[0] = 0x80; |
| 1531 | pfb_data[1] = 1; /* Ascii section */ |
| 1532 | pfb_data[2] = 0; /* 4-byte length, fill in later */ |
| 1533 | pfb_data[3] = 0; |
| 1534 | pfb_data[4] = 0; |
| 1535 | pfb_data[5] = 0; |
Suzuki, Toshiya (鈴木俊哉) | a229540 | 2006-04-30 04:46:17 +0000 | [diff] [blame] | 1536 | pfb_pos = 6; |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 1537 | pfb_lenpos = 2; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1538 | |
| 1539 | len = 0; |
| 1540 | type = 1; |
| 1541 | for ( i = 0; i < resource_cnt; ++i ) |
| 1542 | { |
| 1543 | error = FT_Stream_Seek( stream, offsets[i] ); |
| 1544 | if ( error ) |
| 1545 | goto Exit2; |
| 1546 | if ( FT_READ_LONG( rlen ) ) |
| 1547 | goto Exit; |
| 1548 | if ( FT_READ_USHORT( flags ) ) |
| 1549 | goto Exit; |
| 1550 | rlen -= 2; /* the flags are part of the resource */ |
| 1551 | if ( ( flags >> 8 ) == type ) |
| 1552 | len += rlen; |
| 1553 | else |
| 1554 | { |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 1555 | pfb_data[pfb_lenpos ] = (FT_Byte)( len ); |
| 1556 | pfb_data[pfb_lenpos + 1] = (FT_Byte)( len >> 8 ); |
| 1557 | pfb_data[pfb_lenpos + 2] = (FT_Byte)( len >> 16 ); |
| 1558 | pfb_data[pfb_lenpos + 3] = (FT_Byte)( len >> 24 ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1559 | |
| 1560 | if ( ( flags >> 8 ) == 5 ) /* End of font mark */ |
| 1561 | break; |
| 1562 | |
| 1563 | pfb_data[pfb_pos++] = 0x80; |
| 1564 | |
| 1565 | type = flags >> 8; |
| 1566 | len = rlen; |
| 1567 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 1568 | pfb_data[pfb_pos++] = (FT_Byte)type; |
Suzuki, Toshiya (鈴木俊哉) | a229540 | 2006-04-30 04:46:17 +0000 | [diff] [blame] | 1569 | pfb_lenpos = pfb_pos; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1570 | pfb_data[pfb_pos++] = 0; /* 4-byte length, fill in later */ |
| 1571 | pfb_data[pfb_pos++] = 0; |
| 1572 | pfb_data[pfb_pos++] = 0; |
| 1573 | pfb_data[pfb_pos++] = 0; |
| 1574 | } |
| 1575 | |
| 1576 | error = FT_Stream_Read( stream, (FT_Byte *)pfb_data + pfb_pos, rlen ); |
| 1577 | pfb_pos += rlen; |
| 1578 | } |
| 1579 | |
| 1580 | pfb_data[pfb_pos++] = 0x80; |
| 1581 | pfb_data[pfb_pos++] = 3; |
| 1582 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 1583 | pfb_data[pfb_lenpos ] = (FT_Byte)( len ); |
| 1584 | pfb_data[pfb_lenpos + 1] = (FT_Byte)( len >> 8 ); |
| 1585 | pfb_data[pfb_lenpos + 2] = (FT_Byte)( len >> 16 ); |
| 1586 | pfb_data[pfb_lenpos + 3] = (FT_Byte)( len >> 24 ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1587 | |
| 1588 | return open_face_from_buffer( library, |
| 1589 | pfb_data, |
| 1590 | pfb_pos, |
| 1591 | face_index, |
| 1592 | "type1", |
| 1593 | aface ); |
| 1594 | |
| 1595 | Exit2: |
| 1596 | FT_FREE( pfb_data ); |
| 1597 | |
| 1598 | Exit: |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1599 | return error; |
| 1600 | } |
| 1601 | |
| 1602 | |
| 1603 | /* The resource header says we've got resource_cnt `sfnt' */ |
| 1604 | /* (TrueType/OpenType) resources in this file. Look through */ |
| 1605 | /* them for the one indicated by face_index, load it into mem, */ |
| 1606 | /* pass it on the the truetype driver and return it. */ |
| 1607 | /* */ |
| 1608 | static FT_Error |
| 1609 | Mac_Read_sfnt_Resource( FT_Library library, |
| 1610 | FT_Stream stream, |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1611 | FT_Long *offsets, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1612 | FT_Long resource_cnt, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1613 | FT_Long face_index, |
| 1614 | FT_Face *aface ) |
| 1615 | { |
| 1616 | FT_Memory memory = library->memory; |
| 1617 | FT_Byte* sfnt_data; |
| 1618 | FT_Error error; |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1619 | FT_Long flag_offset; |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 1620 | FT_Long rlen; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1621 | int is_cff; |
Suzuki, Toshiya (鈴木俊哉) | 7a7d403 | 2006-12-15 14:47:42 +0000 | [diff] [blame] | 1622 | FT_Long face_index_in_resource = 0; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1623 | |
| 1624 | |
| 1625 | if ( face_index == -1 ) |
| 1626 | face_index = 0; |
| 1627 | if ( face_index >= resource_cnt ) |
| 1628 | return FT_Err_Cannot_Open_Resource; |
| 1629 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1630 | flag_offset = offsets[face_index]; |
| 1631 | error = FT_Stream_Seek( stream, flag_offset ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1632 | if ( error ) |
| 1633 | goto Exit; |
| 1634 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1635 | if ( FT_READ_LONG( rlen ) ) |
| 1636 | goto Exit; |
| 1637 | if ( rlen == -1 ) |
| 1638 | return FT_Err_Cannot_Open_Resource; |
| 1639 | |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1640 | error = open_face_PS_from_sfnt_stream( library, |
| 1641 | stream, |
| 1642 | face_index, |
| 1643 | 0, NULL, |
| 1644 | aface ); |
| 1645 | if ( !error ) |
| 1646 | goto Exit; |
| 1647 | |
Suzuki, Toshiya (鈴木俊哉) | 5a00909 | 2009-01-22 03:50:37 +0000 | [diff] [blame] | 1648 | /* rewind sfnt stream before open_face_PS_from_sfnt_stream() */ |
| 1649 | if ( FT_Stream_Seek( stream, flag_offset + 4 ) ) |
| 1650 | goto Exit; |
| 1651 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1652 | if ( FT_ALLOC( sfnt_data, (FT_Long)rlen ) ) |
| 1653 | return error; |
| 1654 | error = FT_Stream_Read( stream, (FT_Byte *)sfnt_data, rlen ); |
| 1655 | if ( error ) |
| 1656 | goto Exit; |
| 1657 | |
Suzuki, Toshiya (鈴木俊哉) | 1137d04 | 2008-10-04 07:11:58 +0000 | [diff] [blame] | 1658 | is_cff = rlen > 4 && !ft_memcmp( sfnt_data, "OTTO", 4 ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1659 | error = open_face_from_buffer( library, |
| 1660 | sfnt_data, |
| 1661 | rlen, |
Suzuki, Toshiya (鈴木俊哉) | 7a7d403 | 2006-12-15 14:47:42 +0000 | [diff] [blame] | 1662 | face_index_in_resource, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1663 | is_cff ? "cff" : "truetype", |
| 1664 | aface ); |
| 1665 | |
| 1666 | Exit: |
| 1667 | return error; |
| 1668 | } |
| 1669 | |
| 1670 | |
| 1671 | /* Check for a valid resource fork header, or a valid dfont */ |
| 1672 | /* header. In a resource fork the first 16 bytes are repeated */ |
| 1673 | /* at the location specified by bytes 4-7. In a dfont bytes */ |
| 1674 | /* 4-7 point to 16 bytes of zeroes instead. */ |
| 1675 | /* */ |
| 1676 | static FT_Error |
| 1677 | IsMacResource( FT_Library library, |
| 1678 | FT_Stream stream, |
| 1679 | FT_Long resource_offset, |
| 1680 | FT_Long face_index, |
| 1681 | FT_Face *aface ) |
| 1682 | { |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1683 | FT_Memory memory = library->memory; |
| 1684 | FT_Error error; |
| 1685 | FT_Long map_offset, rdara_pos; |
| 1686 | FT_Long *data_offsets; |
| 1687 | FT_Long count; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1688 | |
| 1689 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1690 | error = FT_Raccess_Get_HeaderInfo( library, stream, resource_offset, |
| 1691 | &map_offset, &rdara_pos ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1692 | if ( error ) |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1693 | return error; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1694 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1695 | error = FT_Raccess_Get_DataOffsets( library, stream, |
| 1696 | map_offset, rdara_pos, |
Suzuki, Toshiya (鈴木俊哉) | 21bd516 | 2008-10-04 18:10:28 +0000 | [diff] [blame] | 1697 | TTAG_POST, |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1698 | &data_offsets, &count ); |
| 1699 | if ( !error ) |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1700 | { |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1701 | error = Mac_Read_POST_Resource( library, stream, data_offsets, count, |
| 1702 | face_index, aface ); |
| 1703 | FT_FREE( data_offsets ); |
Werner Lemberg | 0fd08bd | 2006-12-16 02:57:46 +0000 | [diff] [blame] | 1704 | /* POST exists in an LWFN providing a single face */ |
Werner Lemberg | 17432b5 | 2007-01-12 09:28:44 +0000 | [diff] [blame] | 1705 | if ( !error ) |
David Turner | 7a3c564 | 2007-01-11 15:09:01 +0000 | [diff] [blame] | 1706 | (*aface)->num_faces = 1; |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1707 | return error; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1708 | } |
| 1709 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1710 | error = FT_Raccess_Get_DataOffsets( library, stream, |
| 1711 | map_offset, rdara_pos, |
Suzuki, Toshiya (鈴木俊哉) | 21bd516 | 2008-10-04 18:10:28 +0000 | [diff] [blame] | 1712 | TTAG_sfnt, |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1713 | &data_offsets, &count ); |
| 1714 | if ( !error ) |
| 1715 | { |
Werner Lemberg | 0fd08bd | 2006-12-16 02:57:46 +0000 | [diff] [blame] | 1716 | FT_Long face_index_internal = face_index % count; |
Suzuki, Toshiya (鈴木俊哉) | 7a7d403 | 2006-12-15 14:47:42 +0000 | [diff] [blame] | 1717 | |
| 1718 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1719 | error = Mac_Read_sfnt_Resource( library, stream, data_offsets, count, |
Suzuki, Toshiya (鈴木俊哉) | 7a7d403 | 2006-12-15 14:47:42 +0000 | [diff] [blame] | 1720 | face_index_internal, aface ); |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1721 | FT_FREE( data_offsets ); |
Werner Lemberg | 17432b5 | 2007-01-12 09:28:44 +0000 | [diff] [blame] | 1722 | if ( !error ) |
David Turner | 7a3c564 | 2007-01-11 15:09:01 +0000 | [diff] [blame] | 1723 | (*aface)->num_faces = count; |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1724 | } |
| 1725 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1726 | return error; |
| 1727 | } |
| 1728 | |
| 1729 | |
| 1730 | /* Check for a valid macbinary header, and if we find one */ |
| 1731 | /* check that the (flattened) resource fork in it is valid. */ |
| 1732 | /* */ |
| 1733 | static FT_Error |
| 1734 | IsMacBinary( FT_Library library, |
| 1735 | FT_Stream stream, |
| 1736 | FT_Long face_index, |
| 1737 | FT_Face *aface ) |
| 1738 | { |
| 1739 | unsigned char header[128]; |
| 1740 | FT_Error error; |
| 1741 | FT_Long dlen, offset; |
| 1742 | |
| 1743 | |
Suzuki, Toshiya (鈴木俊哉) | 86c0f90 | 2007-11-20 14:00:17 +0000 | [diff] [blame] | 1744 | if ( NULL == stream ) |
| 1745 | return FT_Err_Invalid_Stream_Operation; |
| 1746 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1747 | error = FT_Stream_Seek( stream, 0 ); |
| 1748 | if ( error ) |
| 1749 | goto Exit; |
| 1750 | |
| 1751 | error = FT_Stream_Read( stream, (FT_Byte*)header, 128 ); |
| 1752 | if ( error ) |
| 1753 | goto Exit; |
| 1754 | |
| 1755 | if ( header[ 0] != 0 || |
| 1756 | header[74] != 0 || |
| 1757 | header[82] != 0 || |
| 1758 | header[ 1] == 0 || |
| 1759 | header[ 1] > 33 || |
| 1760 | header[63] != 0 || |
| 1761 | header[2 + header[1]] != 0 ) |
| 1762 | return FT_Err_Unknown_File_Format; |
| 1763 | |
| 1764 | dlen = ( header[0x53] << 24 ) | |
| 1765 | ( header[0x54] << 16 ) | |
| 1766 | ( header[0x55] << 8 ) | |
| 1767 | header[0x56]; |
| 1768 | #if 0 |
| 1769 | rlen = ( header[0x57] << 24 ) | |
| 1770 | ( header[0x58] << 16 ) | |
| 1771 | ( header[0x59] << 8 ) | |
| 1772 | header[0x5a]; |
| 1773 | #endif /* 0 */ |
| 1774 | offset = 128 + ( ( dlen + 127 ) & ~127 ); |
| 1775 | |
| 1776 | return IsMacResource( library, stream, offset, face_index, aface ); |
| 1777 | |
| 1778 | Exit: |
| 1779 | return error; |
| 1780 | } |
| 1781 | |
| 1782 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1783 | static FT_Error |
| 1784 | load_face_in_embedded_rfork( FT_Library library, |
| 1785 | FT_Stream stream, |
| 1786 | FT_Long face_index, |
| 1787 | FT_Face *aface, |
| 1788 | const FT_Open_Args *args ) |
| 1789 | { |
| 1790 | |
| 1791 | #undef FT_COMPONENT |
| 1792 | #define FT_COMPONENT trace_raccess |
| 1793 | |
| 1794 | FT_Memory memory = library->memory; |
| 1795 | FT_Error error = FT_Err_Unknown_File_Format; |
| 1796 | int i; |
| 1797 | |
| 1798 | char * file_names[FT_RACCESS_N_RULES]; |
| 1799 | FT_Long offsets[FT_RACCESS_N_RULES]; |
| 1800 | FT_Error errors[FT_RACCESS_N_RULES]; |
| 1801 | |
| 1802 | FT_Open_Args args2; |
Suzuki, Toshiya (鈴木俊哉) | 4c60bd9 | 2008-08-19 15:35:44 +0000 | [diff] [blame] | 1803 | FT_Stream stream2 = 0; |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1804 | |
| 1805 | |
| 1806 | FT_Raccess_Guess( library, stream, |
| 1807 | args->pathname, file_names, offsets, errors ); |
| 1808 | |
| 1809 | for ( i = 0; i < FT_RACCESS_N_RULES; i++ ) |
| 1810 | { |
| 1811 | if ( errors[i] ) |
| 1812 | { |
| 1813 | FT_TRACE3(( "Error[%d] has occurred in rule %d\n", errors[i], i )); |
| 1814 | continue; |
| 1815 | } |
| 1816 | |
| 1817 | args2.flags = FT_OPEN_PATHNAME; |
| 1818 | args2.pathname = file_names[i] ? file_names[i] : args->pathname; |
| 1819 | |
| 1820 | FT_TRACE3(( "Try rule %d: %s (offset=%d) ...", |
| 1821 | i, args2.pathname, offsets[i] )); |
| 1822 | |
| 1823 | error = FT_Stream_New( library, &args2, &stream2 ); |
| 1824 | if ( error ) |
| 1825 | { |
| 1826 | FT_TRACE3(( "failed\n" )); |
| 1827 | continue; |
| 1828 | } |
| 1829 | |
| 1830 | error = IsMacResource( library, stream2, offsets[i], |
| 1831 | face_index, aface ); |
Suzuki, Toshiya (鈴木俊哉) | de0a96c | 2006-05-19 23:16:12 +0000 | [diff] [blame] | 1832 | FT_Stream_Free( stream2, 0 ); |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1833 | |
| 1834 | FT_TRACE3(( "%s\n", error ? "failed": "successful" )); |
| 1835 | |
| 1836 | if ( !error ) |
| 1837 | break; |
| 1838 | } |
| 1839 | |
| 1840 | for (i = 0; i < FT_RACCESS_N_RULES; i++) |
| 1841 | { |
| 1842 | if ( file_names[i] ) |
| 1843 | FT_FREE( file_names[i] ); |
| 1844 | } |
| 1845 | |
| 1846 | /* Caller (load_mac_face) requires FT_Err_Unknown_File_Format. */ |
| 1847 | if ( error ) |
| 1848 | error = FT_Err_Unknown_File_Format; |
| 1849 | |
| 1850 | return error; |
| 1851 | |
| 1852 | #undef FT_COMPONENT |
| 1853 | #define FT_COMPONENT trace_objs |
| 1854 | |
| 1855 | } |
| 1856 | |
| 1857 | |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 1858 | /* Check for some macintosh formats without Carbon framework. */ |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1859 | /* Is this a macbinary file? If so look at the resource fork. */ |
| 1860 | /* Is this a mac dfont file? */ |
| 1861 | /* Is this an old style resource fork? (in data) */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1862 | /* Else call load_face_in_embedded_rfork to try extra rules */ |
| 1863 | /* (defined in `ftrfork.c'). */ |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1864 | /* */ |
| 1865 | static FT_Error |
| 1866 | load_mac_face( FT_Library library, |
| 1867 | FT_Stream stream, |
| 1868 | FT_Long face_index, |
| 1869 | FT_Face *aface, |
| 1870 | const FT_Open_Args *args ) |
| 1871 | { |
| 1872 | FT_Error error; |
| 1873 | FT_UNUSED( args ); |
| 1874 | |
| 1875 | |
| 1876 | error = IsMacBinary( library, stream, face_index, aface ); |
| 1877 | if ( FT_ERROR_BASE( error ) == FT_Err_Unknown_File_Format ) |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1878 | { |
| 1879 | |
| 1880 | #undef FT_COMPONENT |
| 1881 | #define FT_COMPONENT trace_raccess |
| 1882 | |
| 1883 | FT_TRACE3(( "Try as dfont: %s ...", args->pathname )); |
| 1884 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1885 | error = IsMacResource( library, stream, 0, face_index, aface ); |
| 1886 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1887 | FT_TRACE3(( "%s\n", error ? "failed" : "successful" )); |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 1888 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1889 | #undef FT_COMPONENT |
| 1890 | #define FT_COMPONENT trace_objs |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1891 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1892 | } |
| 1893 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1894 | if ( ( FT_ERROR_BASE( error ) == FT_Err_Unknown_File_Format || |
| 1895 | FT_ERROR_BASE( error ) == FT_Err_Invalid_Stream_Operation ) && |
| 1896 | ( args->flags & FT_OPEN_PATHNAME ) ) |
| 1897 | error = load_face_in_embedded_rfork( library, stream, |
| 1898 | face_index, aface, args ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1899 | return error; |
| 1900 | } |
Suzuki, Toshiya (鈴木俊哉) | f414702 | 2008-10-02 01:43:18 +0000 | [diff] [blame] | 1901 | #endif |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1902 | |
| 1903 | #endif /* !FT_MACINTOSH && FT_CONFIG_OPTION_MAC_FONTS */ |
| 1904 | |
| 1905 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1906 | /* documentation is in freetype.h */ |
| 1907 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1908 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | c4c373c | 2002-10-07 09:15:20 +0000 | [diff] [blame] | 1909 | FT_Open_Face( FT_Library library, |
| 1910 | const FT_Open_Args* args, |
| 1911 | FT_Long face_index, |
| 1912 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1913 | { |
| 1914 | FT_Error error; |
| 1915 | FT_Driver driver; |
| 1916 | FT_Memory memory; |
Suzuki, Toshiya (鈴木俊哉) | 4c60bd9 | 2008-08-19 15:35:44 +0000 | [diff] [blame] | 1917 | FT_Stream stream = 0; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1918 | FT_Face face = 0; |
| 1919 | FT_ListNode node = 0; |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1920 | FT_Bool external_stream; |
Werner Lemberg | c32e83f | 2008-04-01 06:07:37 +0000 | [diff] [blame] | 1921 | FT_Module* cur; |
| 1922 | FT_Module* limit; |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1923 | |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 1924 | |
Werner Lemberg | f9b0375 | 2000-09-11 22:50:13 +0000 | [diff] [blame] | 1925 | /* test for valid `library' delayed to */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1926 | /* FT_Stream_New() */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1927 | |
Werner Lemberg | ce235ea | 2005-05-17 20:35:23 +0000 | [diff] [blame] | 1928 | if ( ( !aface && face_index >= 0 ) || !args ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1929 | return FT_Err_Invalid_Argument; |
| 1930 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1931 | external_stream = FT_BOOL( ( args->flags & FT_OPEN_STREAM ) && |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 1932 | args->stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1933 | |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1934 | /* create input stream */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1935 | error = FT_Stream_New( library, args, &stream ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1936 | if ( error ) |
Suzuki, Toshiya (鈴木俊哉) | 86c0f90 | 2007-11-20 14:00:17 +0000 | [diff] [blame] | 1937 | goto Fail3; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1938 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1939 | memory = library->memory; |
| 1940 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1941 | /* If the font driver is specified in the `args' structure, use */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1942 | /* it. Otherwise, we scan the list of registered drivers. */ |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1943 | if ( ( args->flags & FT_OPEN_DRIVER ) && args->driver ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1944 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1945 | driver = FT_DRIVER( args->driver ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1946 | |
| 1947 | /* not all modules are drivers, so check... */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1948 | if ( FT_MODULE_IS_DRIVER( driver ) ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1949 | { |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 1950 | FT_Int num_params = 0; |
| 1951 | FT_Parameter* params = 0; |
| 1952 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1953 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1954 | if ( args->flags & FT_OPEN_PARAMS ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1955 | { |
| 1956 | num_params = args->num_params; |
| 1957 | params = args->params; |
| 1958 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1959 | |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1960 | error = open_face( driver, stream, face_index, |
| 1961 | num_params, params, &face ); |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1962 | if ( !error ) |
| 1963 | goto Success; |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1964 | } |
| 1965 | else |
| 1966 | error = FT_Err_Invalid_Handle; |
| 1967 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1968 | FT_Stream_Free( stream, external_stream ); |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1969 | goto Fail; |
| 1970 | } |
Just van Rossum | 1e5754f | 2000-03-02 10:52:57 +0000 | [diff] [blame] | 1971 | else |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1972 | { |
| 1973 | /* check each font driver for an appropriate format */ |
Werner Lemberg | c32e83f | 2008-04-01 06:07:37 +0000 | [diff] [blame] | 1974 | cur = library->modules; |
| 1975 | limit = cur + library->num_modules; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1976 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1977 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1978 | for ( ; cur < limit; cur++ ) |
| 1979 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1980 | /* not all modules are font drivers, so check... */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1981 | if ( FT_MODULE_IS_DRIVER( cur[0] ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1982 | { |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1983 | FT_Int num_params = 0; |
| 1984 | FT_Parameter* params = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1985 | |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 1986 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1987 | driver = FT_DRIVER( cur[0] ); |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1988 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1989 | if ( args->flags & FT_OPEN_PARAMS ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1990 | { |
| 1991 | num_params = args->num_params; |
| 1992 | params = args->params; |
| 1993 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1994 | |
Graham Asher | d53cf1d | 2002-07-18 15:04:29 +0000 | [diff] [blame] | 1995 | error = open_face( driver, stream, face_index, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1996 | num_params, params, &face ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1997 | if ( !error ) |
| 1998 | goto Success; |
| 1999 | |
Suzuki, Toshiya (鈴木俊哉) | 2d3e0af | 2008-10-05 02:38:57 +0000 | [diff] [blame] | 2000 | #ifdef FT_CONFIG_OPTION_MAC_FONTS |
| 2001 | if ( ft_strcmp( cur[0]->clazz->module_name, "truetype" ) == 0 && |
Werner Lemberg | 570b1fd | 2008-10-05 06:08:40 +0000 | [diff] [blame] | 2002 | FT_ERROR_BASE( error ) == FT_Err_Table_Missing ) |
Suzuki, Toshiya (鈴木俊哉) | 2d3e0af | 2008-10-05 02:38:57 +0000 | [diff] [blame] | 2003 | { |
| 2004 | /* TrueType but essential tables are missing */ |
| 2005 | if ( FT_Stream_Seek( stream, 0 ) ) |
| 2006 | break; |
| 2007 | |
| 2008 | error = open_face_PS_from_sfnt_stream( library, |
| 2009 | stream, |
| 2010 | face_index, |
| 2011 | num_params, |
| 2012 | params, |
| 2013 | aface ); |
| 2014 | if ( !error ) |
| 2015 | { |
| 2016 | FT_Stream_Free( stream, external_stream ); |
| 2017 | return error; |
| 2018 | } |
| 2019 | } |
| 2020 | #endif |
| 2021 | |
Werner Lemberg | 7986070 | 2001-06-08 21:17:29 +0000 | [diff] [blame] | 2022 | if ( FT_ERROR_BASE( error ) != FT_Err_Unknown_File_Format ) |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 2023 | goto Fail3; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2024 | } |
| 2025 | } |
| 2026 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 2027 | Fail3: |
| 2028 | /* If we are on the mac, and we get an FT_Err_Invalid_Stream_Operation */ |
| 2029 | /* it may be because we have an empty data fork, so we need to check */ |
| 2030 | /* the resource fork. */ |
Suzuki, Toshiya (鈴木俊哉) | 86c0f90 | 2007-11-20 14:00:17 +0000 | [diff] [blame] | 2031 | if ( FT_ERROR_BASE( error ) != FT_Err_Cannot_Open_Stream && |
| 2032 | FT_ERROR_BASE( error ) != FT_Err_Unknown_File_Format && |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 2033 | FT_ERROR_BASE( error ) != FT_Err_Invalid_Stream_Operation ) |
| 2034 | goto Fail2; |
| 2035 | |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 2036 | #if !defined( FT_MACINTOSH ) && defined( FT_CONFIG_OPTION_MAC_FONTS ) |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 2037 | error = load_mac_face( library, stream, face_index, aface, args ); |
| 2038 | if ( !error ) |
| 2039 | { |
| 2040 | /* We don't want to go to Success here. We've already done that. */ |
| 2041 | /* On the other hand, if we succeeded we still need to close this */ |
| 2042 | /* stream (we opened a different stream which extracted the */ |
| 2043 | /* interesting information out of this stream here. That stream */ |
| 2044 | /* will still be open and the face will point to it). */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 2045 | FT_Stream_Free( stream, external_stream ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 2046 | return error; |
| 2047 | } |
| 2048 | |
| 2049 | if ( FT_ERROR_BASE( error ) != FT_Err_Unknown_File_Format ) |
| 2050 | goto Fail2; |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 2051 | #endif /* !FT_MACINTOSH && FT_CONFIG_OPTION_MAC_FONTS */ |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 2052 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2053 | /* no driver is able to handle this format */ |
| 2054 | error = FT_Err_Unknown_File_Format; |
David Turner | ebe85f5 | 2001-05-11 14:25:57 +0000 | [diff] [blame] | 2055 | |
| 2056 | Fail2: |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 2057 | FT_Stream_Free( stream, external_stream ); |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 2058 | goto Fail; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2059 | } |
| 2060 | |
| 2061 | Success: |
Werner Lemberg | f9b0375 | 2000-09-11 22:50:13 +0000 | [diff] [blame] | 2062 | FT_TRACE4(( "FT_Open_Face: New face object, adding to list\n" )); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2063 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2064 | /* set the FT_FACE_FLAG_EXTERNAL_STREAM bit for FT_Done_Face */ |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 2065 | if ( external_stream ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2066 | face->face_flags |= FT_FACE_FLAG_EXTERNAL_STREAM; |
| 2067 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 2068 | /* add the face object to its driver's list */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2069 | if ( FT_NEW( node ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2070 | goto Fail; |
| 2071 | |
| 2072 | node->data = face; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2073 | /* don't assume driver is the same as face->driver, so use */ |
| 2074 | /* face->driver instead. */ |
Just van Rossum | 7eef536 | 2000-03-05 16:07:58 +0000 | [diff] [blame] | 2075 | FT_List_Add( &face->driver->faces_list, node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2076 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 2077 | /* now allocate a glyph slot object for the face */ |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 2078 | FT_TRACE4(( "FT_Open_Face: Creating glyph slot\n" )); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2079 | |
David Turner | 92f30c8 | 2005-10-17 21:17:20 +0000 | [diff] [blame] | 2080 | if ( face_index >= 0 ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2081 | { |
David Turner | 92f30c8 | 2005-10-17 21:17:20 +0000 | [diff] [blame] | 2082 | error = FT_New_GlyphSlot( face, NULL ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2083 | if ( error ) |
| 2084 | goto Fail; |
| 2085 | |
David Turner | 92f30c8 | 2005-10-17 21:17:20 +0000 | [diff] [blame] | 2086 | /* finally, allocate a size object for the face */ |
| 2087 | { |
| 2088 | FT_Size size; |
| 2089 | |
| 2090 | |
| 2091 | FT_TRACE4(( "FT_Open_Face: Creating size object\n" )); |
| 2092 | |
| 2093 | error = FT_New_Size( face, &size ); |
| 2094 | if ( error ) |
| 2095 | goto Fail; |
| 2096 | |
| 2097 | face->size = size; |
| 2098 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2099 | } |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 2100 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 2101 | /* some checks */ |
| 2102 | |
| 2103 | if ( FT_IS_SCALABLE( face ) ) |
| 2104 | { |
| 2105 | if ( face->height < 0 ) |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 2106 | face->height = (FT_Short)-face->height; |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 2107 | |
| 2108 | if ( !FT_HAS_VERTICAL( face ) ) |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 2109 | face->max_advance_height = (FT_Short)face->height; |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 2110 | } |
| 2111 | |
| 2112 | if ( FT_HAS_FIXED_SIZES( face ) ) |
| 2113 | { |
Werner Lemberg | 1723dcc | 2006-01-15 07:30:32 +0000 | [diff] [blame] | 2114 | FT_Int i; |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 2115 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 2116 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 2117 | for ( i = 0; i < face->num_fixed_sizes; i++ ) |
| 2118 | { |
| 2119 | FT_Bitmap_Size* bsize = face->available_sizes + i; |
| 2120 | |
| 2121 | |
| 2122 | if ( bsize->height < 0 ) |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 2123 | bsize->height = (FT_Short)-bsize->height; |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 2124 | if ( bsize->x_ppem < 0 ) |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 2125 | bsize->x_ppem = (FT_Short)-bsize->x_ppem; |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 2126 | if ( bsize->y_ppem < 0 ) |
| 2127 | bsize->y_ppem = -bsize->y_ppem; |
| 2128 | } |
| 2129 | } |
| 2130 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 2131 | /* initialize internal face data */ |
| 2132 | { |
| 2133 | FT_Face_Internal internal = face->internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 2134 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 2135 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 2136 | internal->transform_matrix.xx = 0x10000L; |
| 2137 | internal->transform_matrix.xy = 0; |
| 2138 | internal->transform_matrix.yx = 0; |
| 2139 | internal->transform_matrix.yy = 0x10000L; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 2140 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 2141 | internal->transform_delta.x = 0; |
| 2142 | internal->transform_delta.y = 0; |
| 2143 | } |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 2144 | |
Werner Lemberg | ce235ea | 2005-05-17 20:35:23 +0000 | [diff] [blame] | 2145 | if ( aface ) |
| 2146 | *aface = face; |
Werner Lemberg | b2d0253 | 2005-11-04 06:58:49 +0000 | [diff] [blame] | 2147 | else |
| 2148 | FT_Done_Face( face ); |
| 2149 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2150 | goto Exit; |
| 2151 | |
| 2152 | Fail: |
| 2153 | FT_Done_Face( face ); |
| 2154 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2155 | Exit: |
| 2156 | FT_TRACE4(( "FT_Open_Face: Return %d\n", error )); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2157 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2158 | return error; |
| 2159 | } |
| 2160 | |
| 2161 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2162 | /* documentation is in freetype.h */ |
| 2163 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2164 | FT_EXPORT_DEF( FT_Error ) |
| 2165 | FT_Attach_File( FT_Face face, |
| 2166 | const char* filepathname ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 2167 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 2168 | FT_Open_Args open; |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 2169 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2170 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2171 | /* test for valid `face' delayed to FT_Attach_Stream() */ |
| 2172 | |
| 2173 | if ( !filepathname ) |
| 2174 | return FT_Err_Invalid_Argument; |
| 2175 | |
Werner Lemberg | b8fdcd6 | 2004-08-03 03:28:11 +0000 | [diff] [blame] | 2176 | open.stream = NULL; |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2177 | open.flags = FT_OPEN_PATHNAME; |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 2178 | open.pathname = (char*)filepathname; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2179 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 2180 | return FT_Attach_Stream( face, &open ); |
| 2181 | } |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 2182 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2183 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2184 | /* documentation is in freetype.h */ |
| 2185 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2186 | FT_EXPORT_DEF( FT_Error ) |
| 2187 | FT_Attach_Stream( FT_Face face, |
| 2188 | FT_Open_Args* parameters ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 2189 | { |
| 2190 | FT_Stream stream; |
| 2191 | FT_Error error; |
| 2192 | FT_Driver driver; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2193 | |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 2194 | FT_Driver_Class clazz; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2195 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2196 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 2197 | /* test for valid `parameters' delayed to FT_Stream_New() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2198 | |
| 2199 | if ( !face ) |
| 2200 | return FT_Err_Invalid_Face_Handle; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2201 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 2202 | driver = face->driver; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2203 | if ( !driver ) |
| 2204 | return FT_Err_Invalid_Driver_Handle; |
| 2205 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 2206 | error = FT_Stream_New( driver->root.library, parameters, &stream ); |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2207 | if ( error ) |
| 2208 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2209 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 2210 | /* we implement FT_Attach_Stream in each driver through the */ |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2211 | /* `attach_file' interface */ |
| 2212 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 2213 | error = FT_Err_Unimplemented_Feature; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2214 | clazz = driver->clazz; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2215 | if ( clazz->attach_file ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2216 | error = clazz->attach_file( face, stream ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2217 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 2218 | /* close the attached stream */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 2219 | FT_Stream_Free( stream, |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 2220 | (FT_Bool)( parameters->stream && |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2221 | ( parameters->flags & FT_OPEN_STREAM ) ) ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2222 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 2223 | Exit: |
| 2224 | return error; |
| 2225 | } |
| 2226 | |
| 2227 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2228 | /* documentation is in freetype.h */ |
| 2229 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2230 | FT_EXPORT_DEF( FT_Error ) |
| 2231 | FT_Done_Face( FT_Face face ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2232 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2233 | FT_Error error; |
| 2234 | FT_Driver driver; |
| 2235 | FT_Memory memory; |
| 2236 | FT_ListNode node; |
| 2237 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2238 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2239 | error = FT_Err_Invalid_Face_Handle; |
| 2240 | if ( face && face->driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2241 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2242 | driver = face->driver; |
| 2243 | memory = driver->root.memory; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2244 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2245 | /* find face in driver's list */ |
| 2246 | node = FT_List_Find( &driver->faces_list, face ); |
| 2247 | if ( node ) |
| 2248 | { |
| 2249 | /* remove face object from the driver's list */ |
| 2250 | FT_List_Remove( &driver->faces_list, node ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2251 | FT_FREE( node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2252 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2253 | /* now destroy the object proper */ |
| 2254 | destroy_face( memory, face, driver ); |
| 2255 | error = FT_Err_Ok; |
| 2256 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2257 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2258 | return error; |
| 2259 | } |
| 2260 | |
| 2261 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2262 | /* documentation is in ftobjs.h */ |
| 2263 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2264 | FT_EXPORT_DEF( FT_Error ) |
| 2265 | FT_New_Size( FT_Face face, |
| 2266 | FT_Size *asize ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2267 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2268 | FT_Error error; |
| 2269 | FT_Memory memory; |
| 2270 | FT_Driver driver; |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 2271 | FT_Driver_Class clazz; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2272 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2273 | FT_Size size = 0; |
| 2274 | FT_ListNode node = 0; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2275 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2276 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 2277 | if ( !face ) |
| 2278 | return FT_Err_Invalid_Face_Handle; |
| 2279 | |
| 2280 | if ( !asize ) |
| 2281 | return FT_Err_Invalid_Size_Handle; |
| 2282 | |
| 2283 | if ( !face->driver ) |
| 2284 | return FT_Err_Invalid_Driver_Handle; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2285 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2286 | *asize = 0; |
| 2287 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2288 | driver = face->driver; |
| 2289 | clazz = driver->clazz; |
| 2290 | memory = face->memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2291 | |
| 2292 | /* Allocate new size object and perform basic initialisation */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2293 | if ( FT_ALLOC( size, clazz->size_object_size ) || FT_NEW( node ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2294 | goto Exit; |
| 2295 | |
| 2296 | size->face = face; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 2297 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 2298 | /* for now, do not use any internal fields in size objects */ |
| 2299 | size->internal = 0; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2300 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2301 | if ( clazz->init_size ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2302 | error = clazz->init_size( size ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2303 | |
| 2304 | /* in case of success, add to the face's list */ |
| 2305 | if ( !error ) |
| 2306 | { |
| 2307 | *asize = size; |
| 2308 | node->data = size; |
| 2309 | FT_List_Add( &face->sizes_list, node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2310 | } |
| 2311 | |
| 2312 | Exit: |
| 2313 | if ( error ) |
| 2314 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2315 | FT_FREE( node ); |
| 2316 | FT_FREE( size ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2317 | } |
| 2318 | |
| 2319 | return error; |
| 2320 | } |
| 2321 | |
| 2322 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2323 | /* documentation is in ftobjs.h */ |
| 2324 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2325 | FT_EXPORT_DEF( FT_Error ) |
| 2326 | FT_Done_Size( FT_Size size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2327 | { |
| 2328 | FT_Error error; |
| 2329 | FT_Driver driver; |
| 2330 | FT_Memory memory; |
| 2331 | FT_Face face; |
| 2332 | FT_ListNode node; |
| 2333 | |
| 2334 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2335 | if ( !size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2336 | return FT_Err_Invalid_Size_Handle; |
| 2337 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2338 | face = size->face; |
| 2339 | if ( !face ) |
| 2340 | return FT_Err_Invalid_Face_Handle; |
| 2341 | |
| 2342 | driver = face->driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2343 | if ( !driver ) |
| 2344 | return FT_Err_Invalid_Driver_Handle; |
| 2345 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2346 | memory = driver->root.memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2347 | |
| 2348 | error = FT_Err_Ok; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2349 | node = FT_List_Find( &face->sizes_list, size ); |
| 2350 | if ( node ) |
| 2351 | { |
| 2352 | FT_List_Remove( &face->sizes_list, node ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2353 | FT_FREE( node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2354 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2355 | if ( face->size == size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2356 | { |
| 2357 | face->size = 0; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2358 | if ( face->sizes_list.head ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2359 | face->size = (FT_Size)(face->sizes_list.head->data); |
| 2360 | } |
| 2361 | |
| 2362 | destroy_size( memory, size, driver ); |
| 2363 | } |
| 2364 | else |
| 2365 | error = FT_Err_Invalid_Size_Handle; |
| 2366 | |
Werner Lemberg | cf24d51 | 2001-06-18 14:23:45 +0000 | [diff] [blame] | 2367 | return error; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2368 | } |
| 2369 | |
| 2370 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2371 | /* documentation is in ftobjs.h */ |
| 2372 | |
| 2373 | FT_BASE_DEF( FT_Error ) |
| 2374 | FT_Match_Size( FT_Face face, |
| 2375 | FT_Size_Request req, |
| 2376 | FT_Bool ignore_width, |
Werner Lemberg | 8c4120d | 2007-01-15 06:42:40 +0000 | [diff] [blame] | 2377 | FT_ULong* size_index ) |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2378 | { |
| 2379 | FT_Int i; |
| 2380 | FT_Long w, h; |
| 2381 | |
| 2382 | |
| 2383 | if ( !FT_HAS_FIXED_SIZES( face ) ) |
| 2384 | return FT_Err_Invalid_Face_Handle; |
| 2385 | |
| 2386 | /* FT_Bitmap_Size doesn't provide enough info... */ |
| 2387 | if ( req->type != FT_SIZE_REQUEST_TYPE_NOMINAL ) |
| 2388 | return FT_Err_Unimplemented_Feature; |
| 2389 | |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 2390 | w = FT_REQUEST_WIDTH ( req ); |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2391 | h = FT_REQUEST_HEIGHT( req ); |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2392 | |
| 2393 | if ( req->width && !req->height ) |
| 2394 | h = w; |
| 2395 | else if ( !req->width && req->height ) |
| 2396 | w = h; |
| 2397 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2398 | w = FT_PIX_ROUND( w ); |
| 2399 | h = FT_PIX_ROUND( h ); |
| 2400 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2401 | for ( i = 0; i < face->num_fixed_sizes; i++ ) |
| 2402 | { |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2403 | FT_Bitmap_Size* bsize = face->available_sizes + i; |
| 2404 | |
| 2405 | |
| 2406 | if ( h != FT_PIX_ROUND( bsize->y_ppem ) ) |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2407 | continue; |
| 2408 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2409 | if ( w == FT_PIX_ROUND( bsize->x_ppem ) || ignore_width ) |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2410 | { |
Werner Lemberg | 8c4120d | 2007-01-15 06:42:40 +0000 | [diff] [blame] | 2411 | if ( size_index ) |
| 2412 | *size_index = (FT_ULong)i; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2413 | |
| 2414 | return FT_Err_Ok; |
| 2415 | } |
| 2416 | } |
| 2417 | |
| 2418 | return FT_Err_Invalid_Pixel_Size; |
| 2419 | } |
| 2420 | |
| 2421 | |
Wu, Chia-I (吳佳一) | 212aee0 | 2006-01-15 06:24:53 +0000 | [diff] [blame] | 2422 | /* documentation is in ftobjs.h */ |
| 2423 | |
| 2424 | FT_BASE_DEF( void ) |
Wu, Chia-I (吳佳一) | ea1e8d3 | 2006-01-15 15:01:45 +0000 | [diff] [blame] | 2425 | ft_synthesize_vertical_metrics( FT_Glyph_Metrics* metrics, |
| 2426 | FT_Pos advance ) |
Wu, Chia-I (吳佳一) | 212aee0 | 2006-01-15 06:24:53 +0000 | [diff] [blame] | 2427 | { |
Bram Tassyns | 4694ea2 | 2009-09-02 13:06:33 +0200 | [diff] [blame] | 2428 | FT_Pos height = metrics->height; |
| 2429 | |
| 2430 | |
| 2431 | /* compensate for glyph with bbox above/below the baseline */ |
| 2432 | if ( metrics->horiBearingY < 0 ) |
| 2433 | { |
| 2434 | if ( height < metrics->horiBearingY ) |
| 2435 | height = metrics->horiBearingY; |
| 2436 | } |
| 2437 | else if ( metrics->horiBearingY > 0 ) |
| 2438 | height -= metrics->horiBearingY; |
| 2439 | |
Werner Lemberg | 1723dcc | 2006-01-15 07:30:32 +0000 | [diff] [blame] | 2440 | /* the factor 1.2 is a heuristical value */ |
Wu, Chia-I (吳佳一) | 212aee0 | 2006-01-15 06:24:53 +0000 | [diff] [blame] | 2441 | if ( !advance ) |
Bram Tassyns | 4694ea2 | 2009-09-02 13:06:33 +0200 | [diff] [blame] | 2442 | advance = height * 12 / 10; |
Wu, Chia-I (吳佳一) | 212aee0 | 2006-01-15 06:24:53 +0000 | [diff] [blame] | 2443 | |
Bram Tassyns | 4694ea2 | 2009-09-02 13:06:33 +0200 | [diff] [blame] | 2444 | metrics->vertBearingX = metrics->horiBearingX - metrics->horiAdvance / 2; |
| 2445 | metrics->vertBearingY = ( advance - height ) / 2; |
Wu, Chia-I (吳佳一) | 212aee0 | 2006-01-15 06:24:53 +0000 | [diff] [blame] | 2446 | metrics->vertAdvance = advance; |
| 2447 | } |
| 2448 | |
| 2449 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2450 | static void |
| 2451 | ft_recompute_scaled_metrics( FT_Face face, |
| 2452 | FT_Size_Metrics* metrics ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2453 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2454 | /* Compute root ascender, descender, test height, and max_advance */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2455 | |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 2456 | #ifdef GRID_FIT_METRICS |
David Turner | b463665 | 2006-02-26 07:57:45 +0000 | [diff] [blame] | 2457 | metrics->ascender = FT_PIX_CEIL( FT_MulFix( face->ascender, |
| 2458 | metrics->y_scale ) ); |
| 2459 | |
| 2460 | metrics->descender = FT_PIX_FLOOR( FT_MulFix( face->descender, |
| 2461 | metrics->y_scale ) ); |
| 2462 | |
| 2463 | metrics->height = FT_PIX_ROUND( FT_MulFix( face->height, |
| 2464 | metrics->y_scale ) ); |
| 2465 | |
| 2466 | metrics->max_advance = FT_PIX_ROUND( FT_MulFix( face->max_advance_width, |
| 2467 | metrics->x_scale ) ); |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 2468 | #else /* !GRID_FIT_METRICS */ |
Wu, Chia-I (吳佳一) | dcb8b71 | 2005-12-16 14:27:14 +0000 | [diff] [blame] | 2469 | metrics->ascender = FT_MulFix( face->ascender, |
| 2470 | metrics->y_scale ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2471 | |
Wu, Chia-I (吳佳一) | dcb8b71 | 2005-12-16 14:27:14 +0000 | [diff] [blame] | 2472 | metrics->descender = FT_MulFix( face->descender, |
| 2473 | metrics->y_scale ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2474 | |
Wu, Chia-I (吳佳一) | dcb8b71 | 2005-12-16 14:27:14 +0000 | [diff] [blame] | 2475 | metrics->height = FT_MulFix( face->height, |
| 2476 | metrics->y_scale ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2477 | |
Wu, Chia-I (吳佳一) | dcb8b71 | 2005-12-16 14:27:14 +0000 | [diff] [blame] | 2478 | metrics->max_advance = FT_MulFix( face->max_advance_width, |
| 2479 | metrics->x_scale ); |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 2480 | #endif /* !GRID_FIT_METRICS */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2481 | } |
| 2482 | |
| 2483 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2484 | FT_BASE_DEF( void ) |
| 2485 | FT_Select_Metrics( FT_Face face, |
| 2486 | FT_ULong strike_index ) |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2487 | { |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2488 | FT_Size_Metrics* metrics; |
| 2489 | FT_Bitmap_Size* bsize; |
| 2490 | |
| 2491 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2492 | metrics = &face->size->metrics; |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2493 | bsize = face->available_sizes + strike_index; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2494 | |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 2495 | metrics->x_ppem = (FT_UShort)( ( bsize->x_ppem + 32 ) >> 6 ); |
| 2496 | metrics->y_ppem = (FT_UShort)( ( bsize->y_ppem + 32 ) >> 6 ); |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2497 | |
| 2498 | if ( FT_IS_SCALABLE( face ) ) |
| 2499 | { |
| 2500 | metrics->x_scale = FT_DivFix( bsize->x_ppem, |
| 2501 | face->units_per_EM ); |
| 2502 | metrics->y_scale = FT_DivFix( bsize->y_ppem, |
| 2503 | face->units_per_EM ); |
| 2504 | |
| 2505 | ft_recompute_scaled_metrics( face, metrics ); |
| 2506 | } |
| 2507 | else |
| 2508 | { |
Werner Lemberg | 14de111 | 2009-02-24 21:34:51 +0000 | [diff] [blame] | 2509 | metrics->x_scale = 1L << 16; |
| 2510 | metrics->y_scale = 1L << 16; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2511 | metrics->ascender = bsize->y_ppem; |
| 2512 | metrics->descender = 0; |
| 2513 | metrics->height = bsize->height << 6; |
| 2514 | metrics->max_advance = bsize->x_ppem; |
| 2515 | } |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2516 | } |
| 2517 | |
| 2518 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2519 | FT_BASE_DEF( void ) |
| 2520 | FT_Request_Metrics( FT_Face face, |
| 2521 | FT_Size_Request req ) |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2522 | { |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2523 | FT_Size_Metrics* metrics; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2524 | |
| 2525 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2526 | metrics = &face->size->metrics; |
| 2527 | |
| 2528 | if ( FT_IS_SCALABLE( face ) ) |
| 2529 | { |
Werner Lemberg | ce280a2 | 2007-06-03 05:58:30 +0000 | [diff] [blame] | 2530 | FT_Long w = 0, h = 0, scaled_w = 0, scaled_h = 0; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2531 | |
| 2532 | |
| 2533 | switch ( req->type ) |
| 2534 | { |
| 2535 | case FT_SIZE_REQUEST_TYPE_NOMINAL: |
| 2536 | w = h = face->units_per_EM; |
| 2537 | break; |
Werner Lemberg | f1c2b91 | 2006-01-13 14:53:28 +0000 | [diff] [blame] | 2538 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2539 | case FT_SIZE_REQUEST_TYPE_REAL_DIM: |
| 2540 | w = h = face->ascender - face->descender; |
| 2541 | break; |
Werner Lemberg | f1c2b91 | 2006-01-13 14:53:28 +0000 | [diff] [blame] | 2542 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2543 | case FT_SIZE_REQUEST_TYPE_BBOX: |
| 2544 | w = face->bbox.xMax - face->bbox.xMin; |
| 2545 | h = face->bbox.yMax - face->bbox.yMin; |
| 2546 | break; |
Werner Lemberg | f1c2b91 | 2006-01-13 14:53:28 +0000 | [diff] [blame] | 2547 | |
Werner Lemberg | b9933f4 | 2007-06-01 21:27:12 +0000 | [diff] [blame] | 2548 | case FT_SIZE_REQUEST_TYPE_CELL: |
| 2549 | w = face->max_advance_width; |
| 2550 | h = face->ascender - face->descender; |
| 2551 | break; |
| 2552 | |
Wu, Chia-I (吳佳一) | a8e7a01 | 2006-02-24 06:11:30 +0000 | [diff] [blame] | 2553 | case FT_SIZE_REQUEST_TYPE_SCALES: |
| 2554 | metrics->x_scale = (FT_Fixed)req->width; |
| 2555 | metrics->y_scale = (FT_Fixed)req->height; |
| 2556 | if ( !metrics->x_scale ) |
| 2557 | metrics->x_scale = metrics->y_scale; |
| 2558 | else if ( !metrics->y_scale ) |
| 2559 | metrics->y_scale = metrics->x_scale; |
| 2560 | goto Calculate_Ppem; |
Wu, Chia-I (吳佳一) | a8e7a01 | 2006-02-24 06:11:30 +0000 | [diff] [blame] | 2561 | |
Werner Lemberg | b9933f4 | 2007-06-01 21:27:12 +0000 | [diff] [blame] | 2562 | case FT_SIZE_REQUEST_TYPE_MAX: |
| 2563 | break; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2564 | } |
| 2565 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2566 | /* to be on the safe side */ |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 2567 | if ( w < 0 ) |
| 2568 | w = -w; |
| 2569 | |
| 2570 | if ( h < 0 ) |
| 2571 | h = -h; |
| 2572 | |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 2573 | scaled_w = FT_REQUEST_WIDTH ( req ); |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2574 | scaled_h = FT_REQUEST_HEIGHT( req ); |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2575 | |
| 2576 | /* determine scales */ |
| 2577 | if ( req->width ) |
| 2578 | { |
| 2579 | metrics->x_scale = FT_DivFix( scaled_w, w ); |
| 2580 | |
| 2581 | if ( req->height ) |
| 2582 | { |
| 2583 | metrics->y_scale = FT_DivFix( scaled_h, h ); |
| 2584 | |
| 2585 | if ( req->type == FT_SIZE_REQUEST_TYPE_CELL ) |
| 2586 | { |
| 2587 | if ( metrics->y_scale > metrics->x_scale ) |
| 2588 | metrics->y_scale = metrics->x_scale; |
| 2589 | else |
| 2590 | metrics->x_scale = metrics->y_scale; |
| 2591 | } |
| 2592 | } |
| 2593 | else |
| 2594 | { |
| 2595 | metrics->y_scale = metrics->x_scale; |
| 2596 | scaled_h = FT_MulDiv( scaled_w, h, w ); |
| 2597 | } |
| 2598 | } |
| 2599 | else |
| 2600 | { |
| 2601 | metrics->x_scale = metrics->y_scale = FT_DivFix( scaled_h, h ); |
| 2602 | scaled_w = FT_MulDiv( scaled_h, w, h ); |
| 2603 | } |
| 2604 | |
Wu, Chia-I (吳佳一) | a8e7a01 | 2006-02-24 06:11:30 +0000 | [diff] [blame] | 2605 | Calculate_Ppem: |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2606 | /* calculate the ppems */ |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2607 | if ( req->type != FT_SIZE_REQUEST_TYPE_NOMINAL ) |
| 2608 | { |
| 2609 | scaled_w = FT_MulFix( face->units_per_EM, metrics->x_scale ); |
| 2610 | scaled_h = FT_MulFix( face->units_per_EM, metrics->y_scale ); |
| 2611 | } |
| 2612 | |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 2613 | metrics->x_ppem = (FT_UShort)( ( scaled_w + 32 ) >> 6 ); |
| 2614 | metrics->y_ppem = (FT_UShort)( ( scaled_h + 32 ) >> 6 ); |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2615 | |
| 2616 | ft_recompute_scaled_metrics( face, metrics ); |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2617 | } |
| 2618 | else |
| 2619 | { |
| 2620 | FT_ZERO( metrics ); |
Werner Lemberg | 14de111 | 2009-02-24 21:34:51 +0000 | [diff] [blame] | 2621 | metrics->x_scale = 1L << 16; |
| 2622 | metrics->y_scale = 1L << 16; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2623 | } |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2624 | } |
| 2625 | |
| 2626 | |
| 2627 | /* documentation is in freetype.h */ |
| 2628 | |
| 2629 | FT_EXPORT_DEF( FT_Error ) |
| 2630 | FT_Select_Size( FT_Face face, |
| 2631 | FT_Int strike_index ) |
| 2632 | { |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 2633 | FT_Driver_Class clazz; |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2634 | |
| 2635 | |
| 2636 | if ( !face || !FT_HAS_FIXED_SIZES( face ) ) |
| 2637 | return FT_Err_Invalid_Face_Handle; |
| 2638 | |
| 2639 | if ( strike_index < 0 || strike_index >= face->num_fixed_sizes ) |
| 2640 | return FT_Err_Invalid_Argument; |
| 2641 | |
| 2642 | clazz = face->driver->clazz; |
| 2643 | |
| 2644 | if ( clazz->select_size ) |
| 2645 | return clazz->select_size( face->size, (FT_ULong)strike_index ); |
| 2646 | |
| 2647 | FT_Select_Metrics( face, (FT_ULong)strike_index ); |
| 2648 | |
| 2649 | return FT_Err_Ok; |
| 2650 | } |
| 2651 | |
| 2652 | |
| 2653 | /* documentation is in freetype.h */ |
| 2654 | |
| 2655 | FT_EXPORT_DEF( FT_Error ) |
| 2656 | FT_Request_Size( FT_Face face, |
| 2657 | FT_Size_Request req ) |
| 2658 | { |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 2659 | FT_Driver_Class clazz; |
| 2660 | FT_ULong strike_index; |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2661 | |
| 2662 | |
| 2663 | if ( !face ) |
| 2664 | return FT_Err_Invalid_Face_Handle; |
| 2665 | |
| 2666 | if ( !req || req->width < 0 || req->height < 0 || |
| 2667 | req->type >= FT_SIZE_REQUEST_TYPE_MAX ) |
| 2668 | return FT_Err_Invalid_Argument; |
| 2669 | |
| 2670 | clazz = face->driver->clazz; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2671 | |
| 2672 | if ( clazz->request_size ) |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2673 | return clazz->request_size( face->size, req ); |
| 2674 | |
Wu, Chia-I (吳佳一) | e33dc2e | 2006-01-14 05:09:30 +0000 | [diff] [blame] | 2675 | /* |
Werner Lemberg | 3d8eeb8 | 2006-01-14 07:10:45 +0000 | [diff] [blame] | 2676 | * The reason that a driver doesn't have `request_size' defined is |
| 2677 | * either that the scaling here suffices or that the supported formats |
| 2678 | * are bitmap-only and size matching is not implemented. |
Wu, Chia-I (吳佳一) | e33dc2e | 2006-01-14 05:09:30 +0000 | [diff] [blame] | 2679 | * |
| 2680 | * In the latter case, a simple size matching is done. |
| 2681 | */ |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2682 | if ( !FT_IS_SCALABLE( face ) && FT_HAS_FIXED_SIZES( face ) ) |
Wu, Chia-I (吳佳一) | e33dc2e | 2006-01-14 05:09:30 +0000 | [diff] [blame] | 2683 | { |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2684 | FT_Error error; |
Wu, Chia-I (吳佳一) | e33dc2e | 2006-01-14 05:09:30 +0000 | [diff] [blame] | 2685 | |
| 2686 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2687 | error = FT_Match_Size( face, req, 0, &strike_index ); |
| 2688 | if ( error ) |
| 2689 | return error; |
Wu, Chia-I (吳佳一) | e33dc2e | 2006-01-14 05:09:30 +0000 | [diff] [blame] | 2690 | |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 2691 | FT_TRACE3(( "FT_Request_Size: bitmap strike %lu matched\n", |
| 2692 | strike_index )); |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2693 | |
| 2694 | return FT_Select_Size( face, (FT_Int)strike_index ); |
Wu, Chia-I (吳佳一) | e33dc2e | 2006-01-14 05:09:30 +0000 | [diff] [blame] | 2695 | } |
| 2696 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2697 | FT_Request_Metrics( face, req ); |
| 2698 | |
| 2699 | return FT_Err_Ok; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2700 | } |
| 2701 | |
| 2702 | |
| 2703 | /* documentation is in freetype.h */ |
| 2704 | |
| 2705 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2706 | FT_Set_Char_Size( FT_Face face, |
| 2707 | FT_F26Dot6 char_width, |
| 2708 | FT_F26Dot6 char_height, |
| 2709 | FT_UInt horz_resolution, |
| 2710 | FT_UInt vert_resolution ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2711 | { |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2712 | FT_Size_RequestRec req; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2713 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2714 | |
Wu, Chia-I (吳佳一) | cffa8b6 | 2006-02-27 11:11:40 +0000 | [diff] [blame] | 2715 | if ( !char_width ) |
| 2716 | char_width = char_height; |
| 2717 | else if ( !char_height ) |
| 2718 | char_height = char_width; |
| 2719 | |
Werner Lemberg | 7478197 | 2007-04-03 19:39:28 +0000 | [diff] [blame] | 2720 | if ( !horz_resolution ) |
David Turner | 7338ec2 | 2007-04-03 14:30:34 +0000 | [diff] [blame] | 2721 | horz_resolution = vert_resolution; |
Werner Lemberg | 7478197 | 2007-04-03 19:39:28 +0000 | [diff] [blame] | 2722 | else if ( !vert_resolution ) |
David Turner | 7338ec2 | 2007-04-03 14:30:34 +0000 | [diff] [blame] | 2723 | vert_resolution = horz_resolution; |
| 2724 | |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 2725 | if ( char_width < 1 * 64 ) |
| 2726 | char_width = 1 * 64; |
| 2727 | if ( char_height < 1 * 64 ) |
| 2728 | char_height = 1 * 64; |
| 2729 | |
Werner Lemberg | 106eaf1 | 2007-05-03 07:07:47 +0000 | [diff] [blame] | 2730 | if ( !horz_resolution ) |
| 2731 | horz_resolution = vert_resolution = 72; |
| 2732 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2733 | req.type = FT_SIZE_REQUEST_TYPE_NOMINAL; |
| 2734 | req.width = char_width; |
| 2735 | req.height = char_height; |
Werner Lemberg | 106eaf1 | 2007-05-03 07:07:47 +0000 | [diff] [blame] | 2736 | req.horiResolution = horz_resolution; |
| 2737 | req.vertResolution = vert_resolution; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2738 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2739 | return FT_Request_Size( face, &req ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2740 | } |
| 2741 | |
| 2742 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2743 | /* documentation is in freetype.h */ |
| 2744 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2745 | FT_EXPORT_DEF( FT_Error ) |
| 2746 | FT_Set_Pixel_Sizes( FT_Face face, |
| 2747 | FT_UInt pixel_width, |
| 2748 | FT_UInt pixel_height ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2749 | { |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2750 | FT_Size_RequestRec req; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2751 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2752 | |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 2753 | if ( pixel_width == 0 ) |
| 2754 | pixel_width = pixel_height; |
| 2755 | else if ( pixel_height == 0 ) |
| 2756 | pixel_height = pixel_width; |
| 2757 | |
| 2758 | if ( pixel_width < 1 ) |
| 2759 | pixel_width = 1; |
| 2760 | if ( pixel_height < 1 ) |
| 2761 | pixel_height = 1; |
| 2762 | |
Werner Lemberg | 6e87ed9 | 2007-01-26 22:18:56 +0000 | [diff] [blame] | 2763 | /* use `>=' to avoid potential compiler warning on 16bit platforms */ |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 2764 | if ( pixel_width >= 0xFFFFU ) |
| 2765 | pixel_width = 0xFFFFU; |
| 2766 | if ( pixel_height >= 0xFFFFU ) |
| 2767 | pixel_height = 0xFFFFU; |
| 2768 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2769 | req.type = FT_SIZE_REQUEST_TYPE_NOMINAL; |
| 2770 | req.width = pixel_width << 6; |
| 2771 | req.height = pixel_height << 6; |
| 2772 | req.horiResolution = 0; |
| 2773 | req.vertResolution = 0; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2774 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2775 | return FT_Request_Size( face, &req ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2776 | } |
| 2777 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2778 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2779 | /* documentation is in freetype.h */ |
| 2780 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2781 | FT_EXPORT_DEF( FT_Error ) |
| 2782 | FT_Get_Kerning( FT_Face face, |
| 2783 | FT_UInt left_glyph, |
| 2784 | FT_UInt right_glyph, |
| 2785 | FT_UInt kern_mode, |
| 2786 | FT_Vector *akerning ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2787 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2788 | FT_Error error = FT_Err_Ok; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2789 | FT_Driver driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2790 | |
Werner Lemberg | a8bbc26 | 2000-07-01 14:06:46 +0000 | [diff] [blame] | 2791 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2792 | if ( !face ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2793 | return FT_Err_Invalid_Face_Handle; |
| 2794 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 2795 | if ( !akerning ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2796 | return FT_Err_Invalid_Argument; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2797 | |
| 2798 | driver = face->driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2799 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 2800 | akerning->x = 0; |
| 2801 | akerning->y = 0; |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2802 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2803 | if ( driver->clazz->get_kerning ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2804 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2805 | error = driver->clazz->get_kerning( face, |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2806 | left_glyph, |
| 2807 | right_glyph, |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 2808 | akerning ); |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2809 | if ( !error ) |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 2810 | { |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2811 | if ( kern_mode != FT_KERNING_UNSCALED ) |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 2812 | { |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 2813 | akerning->x = FT_MulFix( akerning->x, face->size->metrics.x_scale ); |
| 2814 | akerning->y = FT_MulFix( akerning->y, face->size->metrics.y_scale ); |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2815 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2816 | if ( kern_mode != FT_KERNING_UNFITTED ) |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2817 | { |
Werner Lemberg | 133eee0 | 2004-12-12 06:55:40 +0000 | [diff] [blame] | 2818 | /* we scale down kerning values for small ppem values */ |
| 2819 | /* to avoid that rounding makes them too big. */ |
| 2820 | /* `25' has been determined heuristically. */ |
| 2821 | if ( face->size->metrics.x_ppem < 25 ) |
| 2822 | akerning->x = FT_MulDiv( akerning->x, |
| 2823 | face->size->metrics.x_ppem, 25 ); |
| 2824 | if ( face->size->metrics.y_ppem < 25 ) |
| 2825 | akerning->y = FT_MulDiv( akerning->y, |
| 2826 | face->size->metrics.y_ppem, 25 ); |
| 2827 | |
| 2828 | akerning->x = FT_PIX_ROUND( akerning->x ); |
| 2829 | akerning->y = FT_PIX_ROUND( akerning->y ); |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2830 | } |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 2831 | } |
| 2832 | } |
| 2833 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2834 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2835 | return error; |
| 2836 | } |
| 2837 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2838 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2839 | /* documentation is in freetype.h */ |
| 2840 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2841 | FT_EXPORT_DEF( FT_Error ) |
Wu, Chia-I (吳佳一) | 108fdbb | 2006-01-16 15:35:56 +0000 | [diff] [blame] | 2842 | FT_Get_Track_Kerning( FT_Face face, |
| 2843 | FT_Fixed point_size, |
| 2844 | FT_Int degree, |
| 2845 | FT_Fixed* akerning ) |
| 2846 | { |
| 2847 | FT_Service_Kerning service; |
| 2848 | FT_Error error = FT_Err_Ok; |
Wu, Chia-I (吳佳一) | 108fdbb | 2006-01-16 15:35:56 +0000 | [diff] [blame] | 2849 | |
| 2850 | |
| 2851 | if ( !face ) |
| 2852 | return FT_Err_Invalid_Face_Handle; |
| 2853 | |
| 2854 | if ( !akerning ) |
| 2855 | return FT_Err_Invalid_Argument; |
| 2856 | |
Wu, Chia-I (吳佳一) | 108fdbb | 2006-01-16 15:35:56 +0000 | [diff] [blame] | 2857 | FT_FACE_FIND_SERVICE( face, service, KERNING ); |
| 2858 | if ( !service ) |
| 2859 | return FT_Err_Unimplemented_Feature; |
| 2860 | |
| 2861 | error = service->get_track( face, |
| 2862 | point_size, |
| 2863 | degree, |
| 2864 | akerning ); |
| 2865 | |
| 2866 | return error; |
| 2867 | } |
| 2868 | |
| 2869 | |
| 2870 | /* documentation is in freetype.h */ |
| 2871 | |
| 2872 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2873 | FT_Select_Charmap( FT_Face face, |
| 2874 | FT_Encoding encoding ) |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2875 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2876 | FT_CharMap* cur; |
| 2877 | FT_CharMap* limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2878 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2879 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2880 | if ( !face ) |
| 2881 | return FT_Err_Invalid_Face_Handle; |
| 2882 | |
Werner Lemberg | e88c526 | 2006-10-24 05:46:26 +0000 | [diff] [blame] | 2883 | if ( encoding == FT_ENCODING_NONE ) |
| 2884 | return FT_Err_Invalid_Argument; |
| 2885 | |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 2886 | /* FT_ENCODING_UNICODE is special. We try to find the `best' Unicode */ |
| 2887 | /* charmap available, i.e., one with UCS-4 characters, if possible. */ |
| 2888 | /* */ |
| 2889 | /* This is done by find_unicode_charmap() above, to share code. */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 2890 | if ( encoding == FT_ENCODING_UNICODE ) |
| 2891 | return find_unicode_charmap( face ); |
| 2892 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2893 | cur = face->charmaps; |
| 2894 | if ( !cur ) |
| 2895 | return FT_Err_Invalid_CharMap_Handle; |
| 2896 | |
| 2897 | limit = cur + face->num_charmaps; |
| 2898 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2899 | for ( ; cur < limit; cur++ ) |
| 2900 | { |
| 2901 | if ( cur[0]->encoding == encoding ) |
| 2902 | { |
| 2903 | face->charmap = cur[0]; |
| 2904 | return 0; |
| 2905 | } |
| 2906 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2907 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2908 | return FT_Err_Invalid_Argument; |
| 2909 | } |
| 2910 | |
| 2911 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2912 | /* documentation is in freetype.h */ |
| 2913 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2914 | FT_EXPORT_DEF( FT_Error ) |
| 2915 | FT_Set_Charmap( FT_Face face, |
| 2916 | FT_CharMap charmap ) |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2917 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2918 | FT_CharMap* cur; |
| 2919 | FT_CharMap* limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2920 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2921 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2922 | if ( !face ) |
| 2923 | return FT_Err_Invalid_Face_Handle; |
| 2924 | |
| 2925 | cur = face->charmaps; |
| 2926 | if ( !cur ) |
| 2927 | return FT_Err_Invalid_CharMap_Handle; |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 2928 | if ( FT_Get_CMap_Format( charmap ) == 14 ) |
| 2929 | return FT_Err_Invalid_Argument; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2930 | |
| 2931 | limit = cur + face->num_charmaps; |
| 2932 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2933 | for ( ; cur < limit; cur++ ) |
| 2934 | { |
| 2935 | if ( cur[0] == charmap ) |
| 2936 | { |
| 2937 | face->charmap = cur[0]; |
| 2938 | return 0; |
| 2939 | } |
| 2940 | } |
| 2941 | return FT_Err_Invalid_Argument; |
| 2942 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2943 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2944 | |
Werner Lemberg | e95365b | 2004-04-24 14:43:37 +0000 | [diff] [blame] | 2945 | /* documentation is in freetype.h */ |
| 2946 | |
| 2947 | FT_EXPORT_DEF( FT_Int ) |
| 2948 | FT_Get_Charmap_Index( FT_CharMap charmap ) |
| 2949 | { |
| 2950 | FT_Int i; |
| 2951 | |
| 2952 | |
Werner Lemberg | e30de29 | 2010-05-22 20:03:41 +0200 | [diff] [blame] | 2953 | if ( !charmap || !charmap->face ) |
| 2954 | return -1; |
| 2955 | |
Werner Lemberg | e95365b | 2004-04-24 14:43:37 +0000 | [diff] [blame] | 2956 | for ( i = 0; i < charmap->face->num_charmaps; i++ ) |
| 2957 | if ( charmap->face->charmaps[i] == charmap ) |
| 2958 | break; |
| 2959 | |
| 2960 | FT_ASSERT( i < charmap->face->num_charmaps ); |
| 2961 | |
| 2962 | return i; |
| 2963 | } |
| 2964 | |
| 2965 | |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2966 | static void |
| 2967 | ft_cmap_done_internal( FT_CMap cmap ) |
| 2968 | { |
| 2969 | FT_CMap_Class clazz = cmap->clazz; |
| 2970 | FT_Face face = cmap->charmap.face; |
| 2971 | FT_Memory memory = FT_FACE_MEMORY(face); |
| 2972 | |
| 2973 | |
| 2974 | if ( clazz->done ) |
| 2975 | clazz->done( cmap ); |
| 2976 | |
| 2977 | FT_FREE( cmap ); |
| 2978 | } |
| 2979 | |
| 2980 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2981 | FT_BASE_DEF( void ) |
| 2982 | FT_CMap_Done( FT_CMap cmap ) |
| 2983 | { |
| 2984 | if ( cmap ) |
| 2985 | { |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2986 | FT_Face face = cmap->charmap.face; |
| 2987 | FT_Memory memory = FT_FACE_MEMORY( face ); |
| 2988 | FT_Error error; |
| 2989 | FT_Int i, j; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2990 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2991 | |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2992 | for ( i = 0; i < face->num_charmaps; i++ ) |
| 2993 | { |
| 2994 | if ( (FT_CMap)face->charmaps[i] == cmap ) |
| 2995 | { |
| 2996 | FT_CharMap last_charmap = face->charmaps[face->num_charmaps - 1]; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2997 | |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2998 | |
| 2999 | if ( FT_RENEW_ARRAY( face->charmaps, |
| 3000 | face->num_charmaps, |
| 3001 | face->num_charmaps - 1 ) ) |
| 3002 | return; |
| 3003 | |
| 3004 | /* remove it from our list of charmaps */ |
| 3005 | for ( j = i + 1; j < face->num_charmaps; j++ ) |
| 3006 | { |
| 3007 | if ( j == face->num_charmaps - 1 ) |
| 3008 | face->charmaps[j - 1] = last_charmap; |
| 3009 | else |
| 3010 | face->charmaps[j - 1] = face->charmaps[j]; |
| 3011 | } |
| 3012 | |
| 3013 | face->num_charmaps--; |
| 3014 | |
| 3015 | if ( (FT_CMap)face->charmap == cmap ) |
| 3016 | face->charmap = NULL; |
| 3017 | |
| 3018 | ft_cmap_done_internal( cmap ); |
| 3019 | |
| 3020 | break; |
| 3021 | } |
| 3022 | } |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3023 | } |
| 3024 | } |
| 3025 | |
| 3026 | |
| 3027 | FT_BASE_DEF( FT_Error ) |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 3028 | FT_CMap_New( FT_CMap_Class clazz, |
| 3029 | FT_Pointer init_data, |
| 3030 | FT_CharMap charmap, |
| 3031 | FT_CMap *acmap ) |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 3032 | { |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 3033 | FT_Error error = FT_Err_Ok; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3034 | FT_Face face; |
| 3035 | FT_Memory memory; |
| 3036 | FT_CMap cmap; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 3037 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3038 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3039 | if ( clazz == NULL || charmap == NULL || charmap->face == NULL ) |
| 3040 | return FT_Err_Invalid_Argument; |
| 3041 | |
| 3042 | face = charmap->face; |
Werner Lemberg | f35ff80 | 2003-06-02 21:58:05 +0000 | [diff] [blame] | 3043 | memory = FT_FACE_MEMORY( face ); |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3044 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3045 | if ( !FT_ALLOC( cmap, clazz->size ) ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3046 | { |
| 3047 | cmap->charmap = *charmap; |
| 3048 | cmap->clazz = clazz; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 3049 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3050 | if ( clazz->init ) |
| 3051 | { |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 3052 | error = clazz->init( cmap, init_data ); |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3053 | if ( error ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3054 | goto Fail; |
| 3055 | } |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 3056 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3057 | /* add it to our list of charmaps */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3058 | if ( FT_RENEW_ARRAY( face->charmaps, |
| 3059 | face->num_charmaps, |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 3060 | face->num_charmaps + 1 ) ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3061 | goto Fail; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 3062 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3063 | face->charmaps[face->num_charmaps++] = (FT_CharMap)cmap; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3064 | } |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 3065 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3066 | Exit: |
| 3067 | if ( acmap ) |
| 3068 | *acmap = cmap; |
| 3069 | |
| 3070 | return error; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 3071 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3072 | Fail: |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 3073 | ft_cmap_done_internal( cmap ); |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3074 | cmap = NULL; |
| 3075 | goto Exit; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 3076 | } |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 3077 | |
| 3078 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3079 | /* documentation is in freetype.h */ |
| 3080 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3081 | FT_EXPORT_DEF( FT_UInt ) |
| 3082 | FT_Get_Char_Index( FT_Face face, |
| 3083 | FT_ULong charcode ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 3084 | { |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 3085 | FT_UInt result = 0; |
| 3086 | |
| 3087 | |
| 3088 | if ( face && face->charmap ) |
| 3089 | { |
| 3090 | FT_CMap cmap = FT_CMAP( face->charmap ); |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 3091 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3092 | |
suzuki toshiya | 0d226c3 | 2009-08-01 00:30:24 +0900 | [diff] [blame] | 3093 | if ( charcode > 0xFFFFFFFFUL ) |
| 3094 | { |
| 3095 | FT_TRACE1(( "FT_Get_Char_Index: too large charcode" )); |
| 3096 | FT_TRACE1(( " 0x%x is truncated\n", charcode )); |
| 3097 | } |
| 3098 | result = cmap->clazz->char_index( cmap, (FT_UInt32)charcode ); |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 3099 | } |
Behdad Esfahbod | 2415cbf | 2010-02-26 23:48:53 +0100 | [diff] [blame] | 3100 | return result; |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 3101 | } |
| 3102 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 3103 | |
Werner Lemberg | 0f7c2f1 | 2002-02-04 20:55:58 +0000 | [diff] [blame] | 3104 | /* documentation is in freetype.h */ |
| 3105 | |
| 3106 | FT_EXPORT_DEF( FT_ULong ) |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 3107 | FT_Get_First_Char( FT_Face face, |
| 3108 | FT_UInt *agindex ) |
Werner Lemberg | 0f7c2f1 | 2002-02-04 20:55:58 +0000 | [diff] [blame] | 3109 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3110 | FT_ULong result = 0; |
| 3111 | FT_UInt gindex = 0; |
| 3112 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 3113 | |
Werner Lemberg | d087199 | 2010-06-07 08:46:01 +0200 | [diff] [blame^] | 3114 | if ( face && face->charmap && face->num_glyphs ) |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 3115 | { |
| 3116 | gindex = FT_Get_Char_Index( face, 0 ); |
Behdad Esfahbod | 2415cbf | 2010-02-26 23:48:53 +0100 | [diff] [blame] | 3117 | if ( gindex == 0 || gindex >= (FT_UInt)face->num_glyphs ) |
Werner Lemberg | e0717d4 | 2010-02-27 08:10:11 +0100 | [diff] [blame] | 3118 | result = FT_Get_Next_Char( face, 0, &gindex ); |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 3119 | } |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 3120 | |
Behdad Esfahbod | 2415cbf | 2010-02-26 23:48:53 +0100 | [diff] [blame] | 3121 | if ( agindex ) |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 3122 | *agindex = gindex; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 3123 | |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 3124 | return result; |
| 3125 | } |
| 3126 | |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 3127 | |
Werner Lemberg | 7b0cc66 | 2003-07-05 07:46:49 +0000 | [diff] [blame] | 3128 | /* documentation is in freetype.h */ |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 3129 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 3130 | FT_EXPORT_DEF( FT_ULong ) |
| 3131 | FT_Get_Next_Char( FT_Face face, |
| 3132 | FT_ULong charcode, |
| 3133 | FT_UInt *agindex ) |
| 3134 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3135 | FT_ULong result = 0; |
| 3136 | FT_UInt gindex = 0; |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 3137 | |
| 3138 | |
Werner Lemberg | d087199 | 2010-06-07 08:46:01 +0200 | [diff] [blame^] | 3139 | if ( face && face->charmap && face->num_glyphs ) |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 3140 | { |
| 3141 | FT_UInt32 code = (FT_UInt32)charcode; |
| 3142 | FT_CMap cmap = FT_CMAP( face->charmap ); |
| 3143 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3144 | |
Behdad Esfahbod | 2415cbf | 2010-02-26 23:48:53 +0100 | [diff] [blame] | 3145 | do { |
| 3146 | gindex = cmap->clazz->char_next( cmap, &code ); |
| 3147 | } while ( gindex >= (FT_UInt)face->num_glyphs ); |
| 3148 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 3149 | result = ( gindex == 0 ) ? 0 : code; |
| 3150 | } |
| 3151 | |
| 3152 | if ( agindex ) |
| 3153 | *agindex = gindex; |
| 3154 | |
| 3155 | return result; |
| 3156 | } |
| 3157 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 3158 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3159 | /* documentation is in freetype.h */ |
| 3160 | |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 3161 | FT_EXPORT_DEF( FT_UInt ) |
David Turner | cf432db | 2007-10-19 12:36:40 +0000 | [diff] [blame] | 3162 | FT_Face_GetCharVariantIndex( FT_Face face, |
| 3163 | FT_ULong charcode, |
| 3164 | FT_ULong variantSelector ) |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 3165 | { |
| 3166 | FT_UInt result = 0; |
| 3167 | |
| 3168 | |
| 3169 | if ( face && face->charmap && |
| 3170 | face->charmap->encoding == FT_ENCODING_UNICODE ) |
| 3171 | { |
| 3172 | FT_CharMap charmap = find_variant_selector_charmap( face ); |
| 3173 | FT_CMap ucmap = FT_CMAP( face->charmap ); |
| 3174 | |
| 3175 | |
| 3176 | if ( charmap != NULL ) |
| 3177 | { |
| 3178 | FT_CMap vcmap = FT_CMAP( charmap ); |
| 3179 | |
| 3180 | |
suzuki toshiya | 0d226c3 | 2009-08-01 00:30:24 +0900 | [diff] [blame] | 3181 | if ( charcode > 0xFFFFFFFFUL ) |
| 3182 | { |
| 3183 | FT_TRACE1(( "FT_Get_Char_Index: too large charcode" )); |
| 3184 | FT_TRACE1(( " 0x%x is truncated\n", charcode )); |
| 3185 | } |
| 3186 | if ( variantSelector > 0xFFFFFFFFUL ) |
| 3187 | { |
| 3188 | FT_TRACE1(( "FT_Get_Char_Index: too large variantSelector" )); |
| 3189 | FT_TRACE1(( " 0x%x is truncated\n", variantSelector )); |
| 3190 | } |
| 3191 | |
| 3192 | result = vcmap->clazz->char_var_index( vcmap, ucmap, |
| 3193 | (FT_UInt32)charcode, |
| 3194 | (FT_UInt32)variantSelector ); |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 3195 | } |
| 3196 | } |
| 3197 | |
| 3198 | return result; |
| 3199 | } |
| 3200 | |
| 3201 | |
| 3202 | /* documentation is in freetype.h */ |
| 3203 | |
| 3204 | FT_EXPORT_DEF( FT_Int ) |
David Turner | cf432db | 2007-10-19 12:36:40 +0000 | [diff] [blame] | 3205 | FT_Face_GetCharVariantIsDefault( FT_Face face, |
| 3206 | FT_ULong charcode, |
| 3207 | FT_ULong variantSelector ) |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 3208 | { |
| 3209 | FT_Int result = -1; |
| 3210 | |
| 3211 | |
| 3212 | if ( face ) |
| 3213 | { |
| 3214 | FT_CharMap charmap = find_variant_selector_charmap( face ); |
| 3215 | |
| 3216 | |
| 3217 | if ( charmap != NULL ) |
| 3218 | { |
| 3219 | FT_CMap vcmap = FT_CMAP( charmap ); |
| 3220 | |
| 3221 | |
suzuki toshiya | 0d226c3 | 2009-08-01 00:30:24 +0900 | [diff] [blame] | 3222 | if ( charcode > 0xFFFFFFFFUL ) |
| 3223 | { |
| 3224 | FT_TRACE1(( "FT_Get_Char_Index: too large charcode" )); |
| 3225 | FT_TRACE1(( " 0x%x is truncated\n", charcode )); |
| 3226 | } |
| 3227 | if ( variantSelector > 0xFFFFFFFFUL ) |
| 3228 | { |
| 3229 | FT_TRACE1(( "FT_Get_Char_Index: too large variantSelector" )); |
| 3230 | FT_TRACE1(( " 0x%x is truncated\n", variantSelector )); |
| 3231 | } |
| 3232 | |
| 3233 | result = vcmap->clazz->char_var_default( vcmap, |
| 3234 | (FT_UInt32)charcode, |
| 3235 | (FT_UInt32)variantSelector ); |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 3236 | } |
| 3237 | } |
| 3238 | |
| 3239 | return result; |
| 3240 | } |
| 3241 | |
| 3242 | |
| 3243 | /* documentation is in freetype.h */ |
| 3244 | |
| 3245 | FT_EXPORT_DEF( FT_UInt32* ) |
David Turner | cf432db | 2007-10-19 12:36:40 +0000 | [diff] [blame] | 3246 | FT_Face_GetVariantSelectors( FT_Face face ) |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 3247 | { |
| 3248 | FT_UInt32 *result = NULL; |
| 3249 | |
| 3250 | |
| 3251 | if ( face ) |
| 3252 | { |
| 3253 | FT_CharMap charmap = find_variant_selector_charmap( face ); |
| 3254 | |
| 3255 | |
| 3256 | if ( charmap != NULL ) |
| 3257 | { |
| 3258 | FT_CMap vcmap = FT_CMAP( charmap ); |
| 3259 | FT_Memory memory = FT_FACE_MEMORY( face ); |
| 3260 | |
| 3261 | |
| 3262 | result = vcmap->clazz->variant_list( vcmap, memory ); |
| 3263 | } |
| 3264 | } |
| 3265 | |
| 3266 | return result; |
| 3267 | } |
| 3268 | |
| 3269 | |
| 3270 | /* documentation is in freetype.h */ |
| 3271 | |
| 3272 | FT_EXPORT_DEF( FT_UInt32* ) |
David Turner | cf432db | 2007-10-19 12:36:40 +0000 | [diff] [blame] | 3273 | FT_Face_GetVariantsOfChar( FT_Face face, |
| 3274 | FT_ULong charcode ) |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 3275 | { |
| 3276 | FT_UInt32 *result = NULL; |
| 3277 | |
| 3278 | |
| 3279 | if ( face ) |
| 3280 | { |
| 3281 | FT_CharMap charmap = find_variant_selector_charmap( face ); |
| 3282 | |
| 3283 | |
| 3284 | if ( charmap != NULL ) |
| 3285 | { |
| 3286 | FT_CMap vcmap = FT_CMAP( charmap ); |
| 3287 | FT_Memory memory = FT_FACE_MEMORY( face ); |
| 3288 | |
| 3289 | |
suzuki toshiya | 0d226c3 | 2009-08-01 00:30:24 +0900 | [diff] [blame] | 3290 | if ( charcode > 0xFFFFFFFFUL ) |
| 3291 | { |
| 3292 | FT_TRACE1(( "FT_Get_Char_Index: too large charcode" )); |
| 3293 | FT_TRACE1(( " 0x%x is truncated\n", charcode )); |
| 3294 | } |
| 3295 | |
| 3296 | result = vcmap->clazz->charvariant_list( vcmap, memory, |
| 3297 | (FT_UInt32)charcode ); |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 3298 | } |
| 3299 | } |
| 3300 | return result; |
| 3301 | } |
| 3302 | |
| 3303 | |
| 3304 | /* documentation is in freetype.h */ |
| 3305 | |
| 3306 | FT_EXPORT_DEF( FT_UInt32* ) |
David Turner | cf432db | 2007-10-19 12:36:40 +0000 | [diff] [blame] | 3307 | FT_Face_GetCharsOfVariant( FT_Face face, |
| 3308 | FT_ULong variantSelector ) |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 3309 | { |
| 3310 | FT_UInt32 *result = NULL; |
| 3311 | |
| 3312 | |
| 3313 | if ( face ) |
| 3314 | { |
| 3315 | FT_CharMap charmap = find_variant_selector_charmap( face ); |
| 3316 | |
| 3317 | |
| 3318 | if ( charmap != NULL ) |
| 3319 | { |
| 3320 | FT_CMap vcmap = FT_CMAP( charmap ); |
| 3321 | FT_Memory memory = FT_FACE_MEMORY( face ); |
| 3322 | |
| 3323 | |
suzuki toshiya | 0d226c3 | 2009-08-01 00:30:24 +0900 | [diff] [blame] | 3324 | if ( variantSelector > 0xFFFFFFFFUL ) |
| 3325 | { |
| 3326 | FT_TRACE1(( "FT_Get_Char_Index: too large variantSelector" )); |
| 3327 | FT_TRACE1(( " 0x%x is truncated\n", variantSelector )); |
| 3328 | } |
| 3329 | |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 3330 | result = vcmap->clazz->variantchar_list( vcmap, memory, |
suzuki toshiya | 0d226c3 | 2009-08-01 00:30:24 +0900 | [diff] [blame] | 3331 | (FT_UInt32)variantSelector ); |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 3332 | } |
| 3333 | } |
| 3334 | |
| 3335 | return result; |
| 3336 | } |
| 3337 | |
| 3338 | |
| 3339 | /* documentation is in freetype.h */ |
| 3340 | |
| 3341 | FT_EXPORT_DEF( FT_UInt ) |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 3342 | FT_Get_Name_Index( FT_Face face, |
| 3343 | FT_String* glyph_name ) |
| 3344 | { |
| 3345 | FT_UInt result = 0; |
| 3346 | |
| 3347 | |
| 3348 | if ( face && FT_HAS_GLYPH_NAMES( face ) ) |
| 3349 | { |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3350 | FT_Service_GlyphDict service; |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 3351 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3352 | |
Werner Lemberg | 46333a1 | 2003-09-17 19:20:02 +0000 | [diff] [blame] | 3353 | FT_FACE_LOOKUP_SERVICE( face, |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 3354 | service, |
| 3355 | GLYPH_DICT ); |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3356 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3357 | if ( service && service->name_index ) |
| 3358 | result = service->name_index( face, glyph_name ); |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3359 | } |
| 3360 | |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 3361 | return result; |
| 3362 | } |
| 3363 | |
Werner Lemberg | aef3fc8 | 2001-12-17 16:21:22 +0000 | [diff] [blame] | 3364 | |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 3365 | /* documentation is in freetype.h */ |
| 3366 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3367 | FT_EXPORT_DEF( FT_Error ) |
| 3368 | FT_Get_Glyph_Name( FT_Face face, |
| 3369 | FT_UInt glyph_index, |
| 3370 | FT_Pointer buffer, |
| 3371 | FT_UInt buffer_max ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3372 | { |
| 3373 | FT_Error error = FT_Err_Invalid_Argument; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 3374 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 3375 | |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3376 | /* clean up buffer */ |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 3377 | if ( buffer && buffer_max > 0 ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3378 | ((FT_Byte*)buffer)[0] = 0; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 3379 | |
Werner Lemberg | fd97d13 | 2002-06-16 01:14:16 +0000 | [diff] [blame] | 3380 | if ( face && |
suzuki toshiya | 95aeebf | 2009-08-01 00:30:13 +0900 | [diff] [blame] | 3381 | (FT_Long)glyph_index <= face->num_glyphs && |
Werner Lemberg | fd97d13 | 2002-06-16 01:14:16 +0000 | [diff] [blame] | 3382 | FT_HAS_GLYPH_NAMES( face ) ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3383 | { |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3384 | FT_Service_GlyphDict service; |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3385 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3386 | |
Werner Lemberg | 46333a1 | 2003-09-17 19:20:02 +0000 | [diff] [blame] | 3387 | FT_FACE_LOOKUP_SERVICE( face, |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 3388 | service, |
| 3389 | GLYPH_DICT ); |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 3390 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3391 | if ( service && service->get_name ) |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3392 | error = service->get_name( face, glyph_index, buffer, buffer_max ); |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3393 | } |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 3394 | |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3395 | return error; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 3396 | } |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3397 | |
| 3398 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 3399 | /* documentation is in freetype.h */ |
| 3400 | |
| 3401 | FT_EXPORT_DEF( const char* ) |
| 3402 | FT_Get_Postscript_Name( FT_Face face ) |
| 3403 | { |
| 3404 | const char* result = NULL; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 3405 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 3406 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 3407 | if ( !face ) |
| 3408 | goto Exit; |
| 3409 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 3410 | if ( !result ) |
| 3411 | { |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 3412 | FT_Service_PsFontName service; |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 3413 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3414 | |
Werner Lemberg | 46333a1 | 2003-09-17 19:20:02 +0000 | [diff] [blame] | 3415 | FT_FACE_LOOKUP_SERVICE( face, |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 3416 | service, |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 3417 | POSTSCRIPT_FONT_NAME ); |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 3418 | |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 3419 | if ( service && service->get_ps_font_name ) |
| 3420 | result = service->get_ps_font_name( face ); |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 3421 | } |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3422 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 3423 | Exit: |
| 3424 | return result; |
| 3425 | } |
| 3426 | |
| 3427 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3428 | /* documentation is in tttables.h */ |
| 3429 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3430 | FT_EXPORT_DEF( void* ) |
| 3431 | FT_Get_Sfnt_Table( FT_Face face, |
| 3432 | FT_Sfnt_Tag tag ) |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 3433 | { |
Werner Lemberg | 40bb096 | 2003-11-01 14:36:20 +0000 | [diff] [blame] | 3434 | void* table = 0; |
| 3435 | FT_Service_SFNT_Table service; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 3436 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3437 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3438 | if ( face && FT_IS_SFNT( face ) ) |
| 3439 | { |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 3440 | FT_FACE_FIND_SERVICE( face, service, SFNT_TABLE ); |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3441 | if ( service != NULL ) |
| 3442 | table = service->get_table( face, tag ); |
| 3443 | } |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 3444 | |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 3445 | return table; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 3446 | } |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 3447 | |
| 3448 | |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 3449 | /* documentation is in tttables.h */ |
| 3450 | |
| 3451 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 3452 | FT_Load_Sfnt_Table( FT_Face face, |
| 3453 | FT_ULong tag, |
| 3454 | FT_Long offset, |
| 3455 | FT_Byte* buffer, |
| 3456 | FT_ULong* length ) |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 3457 | { |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3458 | FT_Service_SFNT_Table service; |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 3459 | |
| 3460 | |
| 3461 | if ( !face || !FT_IS_SFNT( face ) ) |
| 3462 | return FT_Err_Invalid_Face_Handle; |
| 3463 | |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 3464 | FT_FACE_FIND_SERVICE( face, service, SFNT_TABLE ); |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3465 | if ( service == NULL ) |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 3466 | return FT_Err_Unimplemented_Feature; |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 3467 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3468 | return service->load_table( face, tag, offset, buffer, length ); |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 3469 | } |
| 3470 | |
| 3471 | |
Werner Lemberg | 1743942 | 2004-08-11 05:25:37 +0000 | [diff] [blame] | 3472 | /* documentation is in tttables.h */ |
| 3473 | |
| 3474 | FT_EXPORT_DEF( FT_Error ) |
| 3475 | FT_Sfnt_Table_Info( FT_Face face, |
| 3476 | FT_UInt table_index, |
| 3477 | FT_ULong *tag, |
| 3478 | FT_ULong *length ) |
| 3479 | { |
| 3480 | FT_Service_SFNT_Table service; |
suzuki toshiya | ad289d1 | 2009-06-29 03:09:17 +0900 | [diff] [blame] | 3481 | FT_ULong offset; |
Werner Lemberg | 1743942 | 2004-08-11 05:25:37 +0000 | [diff] [blame] | 3482 | |
| 3483 | |
| 3484 | if ( !face || !FT_IS_SFNT( face ) ) |
| 3485 | return FT_Err_Invalid_Face_Handle; |
| 3486 | |
| 3487 | FT_FACE_FIND_SERVICE( face, service, SFNT_TABLE ); |
| 3488 | if ( service == NULL ) |
| 3489 | return FT_Err_Unimplemented_Feature; |
| 3490 | |
suzuki toshiya | ad289d1 | 2009-06-29 03:09:17 +0900 | [diff] [blame] | 3491 | return service->table_info( face, table_index, tag, &offset, length ); |
Werner Lemberg | 1743942 | 2004-08-11 05:25:37 +0000 | [diff] [blame] | 3492 | } |
| 3493 | |
| 3494 | |
Werner Lemberg | ece8b20 | 2004-12-13 23:16:59 +0000 | [diff] [blame] | 3495 | /* documentation is in tttables.h */ |
| 3496 | |
Werner Lemberg | 91a6747 | 2003-12-17 14:28:22 +0000 | [diff] [blame] | 3497 | FT_EXPORT_DEF( FT_ULong ) |
| 3498 | FT_Get_CMap_Language_ID( FT_CharMap charmap ) |
| 3499 | { |
| 3500 | FT_Service_TTCMaps service; |
| 3501 | FT_Face face; |
| 3502 | TT_CMapInfo cmap_info; |
| 3503 | |
David Turner | 87c0d30 | 2003-12-24 01:10:46 +0000 | [diff] [blame] | 3504 | |
Werner Lemberg | 91a6747 | 2003-12-17 14:28:22 +0000 | [diff] [blame] | 3505 | if ( !charmap || !charmap->face ) |
| 3506 | return 0; |
| 3507 | |
| 3508 | face = charmap->face; |
| 3509 | FT_FACE_FIND_SERVICE( face, service, TT_CMAP ); |
| 3510 | if ( service == NULL ) |
| 3511 | return 0; |
| 3512 | if ( service->get_cmap_info( charmap, &cmap_info )) |
| 3513 | return 0; |
| 3514 | |
| 3515 | return cmap_info.language; |
| 3516 | } |
| 3517 | |
| 3518 | |
Werner Lemberg | b826fa7 | 2007-05-19 07:18:48 +0000 | [diff] [blame] | 3519 | /* documentation is in tttables.h */ |
| 3520 | |
| 3521 | FT_EXPORT_DEF( FT_Long ) |
| 3522 | FT_Get_CMap_Format( FT_CharMap charmap ) |
| 3523 | { |
| 3524 | FT_Service_TTCMaps service; |
| 3525 | FT_Face face; |
| 3526 | TT_CMapInfo cmap_info; |
| 3527 | |
| 3528 | |
| 3529 | if ( !charmap || !charmap->face ) |
| 3530 | return -1; |
| 3531 | |
| 3532 | face = charmap->face; |
| 3533 | FT_FACE_FIND_SERVICE( face, service, TT_CMAP ); |
| 3534 | if ( service == NULL ) |
| 3535 | return -1; |
| 3536 | if ( service->get_cmap_info( charmap, &cmap_info )) |
| 3537 | return -1; |
| 3538 | |
| 3539 | return cmap_info.format; |
| 3540 | } |
| 3541 | |
| 3542 | |
Werner Lemberg | ece8b20 | 2004-12-13 23:16:59 +0000 | [diff] [blame] | 3543 | /* documentation is in ftsizes.h */ |
| 3544 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 3545 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 3546 | FT_Activate_Size( FT_Size size ) |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 3547 | { |
| 3548 | FT_Face face; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 3549 | |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 3550 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 3551 | if ( size == NULL ) |
Werner Lemberg | 3c5ad95 | 2008-12-21 17:51:12 +0000 | [diff] [blame] | 3552 | return FT_Err_Invalid_Argument; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 3553 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 3554 | face = size->face; |
| 3555 | if ( face == NULL || face->driver == NULL ) |
Werner Lemberg | 3c5ad95 | 2008-12-21 17:51:12 +0000 | [diff] [blame] | 3556 | return FT_Err_Invalid_Argument; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 3557 | |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 3558 | /* we don't need anything more complex than that; all size objects */ |
| 3559 | /* are already listed by the face */ |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 3560 | face->size = size; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 3561 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 3562 | return FT_Err_Ok; |
| 3563 | } |
| 3564 | |
| 3565 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 3566 | /*************************************************************************/ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3567 | /*************************************************************************/ |
| 3568 | /*************************************************************************/ |
| 3569 | /**** ****/ |
| 3570 | /**** ****/ |
| 3571 | /**** R E N D E R E R S ****/ |
| 3572 | /**** ****/ |
| 3573 | /**** ****/ |
| 3574 | /*************************************************************************/ |
| 3575 | /*************************************************************************/ |
| 3576 | /*************************************************************************/ |
| 3577 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3578 | /* lookup a renderer by glyph format in the library's list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3579 | FT_BASE_DEF( FT_Renderer ) |
| 3580 | FT_Lookup_Renderer( FT_Library library, |
| 3581 | FT_Glyph_Format format, |
| 3582 | FT_ListNode* node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3583 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3584 | FT_ListNode cur; |
| 3585 | FT_Renderer result = 0; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3586 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3587 | |
| 3588 | if ( !library ) |
| 3589 | goto Exit; |
| 3590 | |
| 3591 | cur = library->renderers.head; |
| 3592 | |
| 3593 | if ( node ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3594 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3595 | if ( *node ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3596 | cur = (*node)->next; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3597 | *node = 0; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3598 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3599 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3600 | while ( cur ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3601 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3602 | FT_Renderer renderer = FT_RENDERER( cur->data ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3603 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3604 | |
| 3605 | if ( renderer->glyph_format == format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3606 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3607 | if ( node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3608 | *node = cur; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3609 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3610 | result = renderer; |
| 3611 | break; |
| 3612 | } |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3613 | cur = cur->next; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3614 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3615 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3616 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3617 | return result; |
| 3618 | } |
| 3619 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3620 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3621 | static FT_Renderer |
| 3622 | ft_lookup_glyph_renderer( FT_GlyphSlot slot ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3623 | { |
| 3624 | FT_Face face = slot->face; |
| 3625 | FT_Library library = FT_FACE_LIBRARY( face ); |
| 3626 | FT_Renderer result = library->cur_renderer; |
| 3627 | |
| 3628 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3629 | if ( !result || result->glyph_format != slot->format ) |
David Turner | 81bb4ad | 2000-06-28 04:19:49 +0000 | [diff] [blame] | 3630 | result = FT_Lookup_Renderer( library, slot->format, 0 ); |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 3631 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3632 | return result; |
| 3633 | } |
| 3634 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3635 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3636 | static void |
| 3637 | ft_set_current_renderer( FT_Library library ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3638 | { |
| 3639 | FT_Renderer renderer; |
| 3640 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3641 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3642 | renderer = FT_Lookup_Renderer( library, FT_GLYPH_FORMAT_OUTLINE, 0 ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3643 | library->cur_renderer = renderer; |
| 3644 | } |
| 3645 | |
| 3646 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3647 | static FT_Error |
| 3648 | ft_add_renderer( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3649 | { |
| 3650 | FT_Library library = module->library; |
| 3651 | FT_Memory memory = library->memory; |
| 3652 | FT_Error error; |
| 3653 | FT_ListNode node; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3654 | |
| 3655 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3656 | if ( FT_NEW( node ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3657 | goto Exit; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3658 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3659 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3660 | FT_Renderer render = FT_RENDERER( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3661 | FT_Renderer_Class* clazz = (FT_Renderer_Class*)module->clazz; |
| 3662 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3663 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3664 | render->clazz = clazz; |
| 3665 | render->glyph_format = clazz->glyph_format; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3666 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3667 | /* allocate raster object if needed */ |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3668 | if ( clazz->glyph_format == FT_GLYPH_FORMAT_OUTLINE && |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3669 | clazz->raster_class->raster_new ) |
| 3670 | { |
| 3671 | error = clazz->raster_class->raster_new( memory, &render->raster ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3672 | if ( error ) |
| 3673 | goto Fail; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3674 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3675 | render->raster_render = clazz->raster_class->raster_render; |
| 3676 | render->render = clazz->render_glyph; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3677 | } |
| 3678 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3679 | /* add to list */ |
| 3680 | node->data = module; |
| 3681 | FT_List_Add( &library->renderers, node ); |
| 3682 | |
| 3683 | ft_set_current_renderer( library ); |
| 3684 | } |
| 3685 | |
| 3686 | Fail: |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3687 | if ( error ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3688 | FT_FREE( node ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3689 | |
| 3690 | Exit: |
| 3691 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3692 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3693 | |
| 3694 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3695 | static void |
| 3696 | ft_remove_renderer( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3697 | { |
| 3698 | FT_Library library = module->library; |
| 3699 | FT_Memory memory = library->memory; |
| 3700 | FT_ListNode node; |
| 3701 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3702 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3703 | node = FT_List_Find( &library->renderers, module ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3704 | if ( node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3705 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3706 | FT_Renderer render = FT_RENDERER( module ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3707 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3708 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3709 | /* release raster object, if any */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3710 | if ( render->raster ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3711 | render->clazz->raster_class->raster_done( render->raster ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3712 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3713 | /* remove from list */ |
| 3714 | FT_List_Remove( &library->renderers, node ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3715 | FT_FREE( node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3716 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3717 | ft_set_current_renderer( library ); |
| 3718 | } |
| 3719 | } |
| 3720 | |
| 3721 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3722 | /* documentation is in ftrender.h */ |
| 3723 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3724 | FT_EXPORT_DEF( FT_Renderer ) |
| 3725 | FT_Get_Renderer( FT_Library library, |
| 3726 | FT_Glyph_Format format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3727 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3728 | /* test for valid `library' delayed to FT_Lookup_Renderer() */ |
| 3729 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3730 | return FT_Lookup_Renderer( library, format, 0 ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3731 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3732 | |
| 3733 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3734 | /* documentation is in ftrender.h */ |
| 3735 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3736 | FT_EXPORT_DEF( FT_Error ) |
| 3737 | FT_Set_Renderer( FT_Library library, |
| 3738 | FT_Renderer renderer, |
| 3739 | FT_UInt num_params, |
| 3740 | FT_Parameter* parameters ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3741 | { |
| 3742 | FT_ListNode node; |
| 3743 | FT_Error error = FT_Err_Ok; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3744 | |
| 3745 | |
| 3746 | if ( !library ) |
| 3747 | return FT_Err_Invalid_Library_Handle; |
| 3748 | |
| 3749 | if ( !renderer ) |
| 3750 | return FT_Err_Invalid_Argument; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3751 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3752 | node = FT_List_Find( &library->renderers, renderer ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3753 | if ( !node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3754 | { |
| 3755 | error = FT_Err_Invalid_Argument; |
| 3756 | goto Exit; |
| 3757 | } |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3758 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3759 | FT_List_Up( &library->renderers, node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3760 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3761 | if ( renderer->glyph_format == FT_GLYPH_FORMAT_OUTLINE ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3762 | library->cur_renderer = renderer; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3763 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3764 | if ( num_params > 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3765 | { |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3766 | FT_Renderer_SetModeFunc set_mode = renderer->clazz->set_mode; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3767 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3768 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3769 | for ( ; num_params > 0; num_params-- ) |
| 3770 | { |
| 3771 | error = set_mode( renderer, parameters->tag, parameters->data ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3772 | if ( error ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3773 | break; |
| 3774 | } |
| 3775 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3776 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3777 | Exit: |
| 3778 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3779 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3780 | |
| 3781 | |
David Turner | 7504e48 | 2002-06-07 07:24:55 +0000 | [diff] [blame] | 3782 | FT_BASE_DEF( FT_Error ) |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 3783 | FT_Render_Glyph_Internal( FT_Library library, |
| 3784 | FT_GlyphSlot slot, |
| 3785 | FT_Render_Mode render_mode ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3786 | { |
| 3787 | FT_Error error = FT_Err_Ok; |
| 3788 | FT_Renderer renderer; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3789 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3790 | |
| 3791 | /* if it is already a bitmap, no need to do anything */ |
| 3792 | switch ( slot->format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3793 | { |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3794 | case FT_GLYPH_FORMAT_BITMAP: /* already a bitmap, don't do anything */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3795 | break; |
| 3796 | |
| 3797 | default: |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3798 | { |
| 3799 | FT_ListNode node = 0; |
| 3800 | FT_Bool update = 0; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3801 | |
| 3802 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3803 | /* small shortcut for the very common case */ |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3804 | if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3805 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3806 | renderer = library->cur_renderer; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3807 | node = library->renderers.head; |
| 3808 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3809 | else |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3810 | renderer = FT_Lookup_Renderer( library, slot->format, &node ); |
| 3811 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3812 | error = FT_Err_Unimplemented_Feature; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3813 | while ( renderer ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3814 | { |
David Turner | c8ad30a | 2001-12-05 17:24:34 +0000 | [diff] [blame] | 3815 | error = renderer->render( renderer, slot, render_mode, NULL ); |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 3816 | if ( !error || |
Werner Lemberg | 7986070 | 2001-06-08 21:17:29 +0000 | [diff] [blame] | 3817 | FT_ERROR_BASE( error ) != FT_Err_Cannot_Render_Glyph ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3818 | break; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3819 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3820 | /* FT_Err_Cannot_Render_Glyph is returned if the render mode */ |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3821 | /* is unsupported by the current renderer for this glyph image */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3822 | /* format. */ |
| 3823 | |
| 3824 | /* now, look for another renderer that supports the same */ |
| 3825 | /* format. */ |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3826 | renderer = FT_Lookup_Renderer( library, slot->format, &node ); |
| 3827 | update = 1; |
| 3828 | } |
| 3829 | |
| 3830 | /* if we changed the current renderer for the glyph image format */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3831 | /* we need to select it as the next current one */ |
| 3832 | if ( !error && update && renderer ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3833 | FT_Set_Renderer( library, renderer, 0, 0 ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3834 | } |
| 3835 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3836 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3837 | return error; |
| 3838 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3839 | |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3840 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3841 | /* documentation is in freetype.h */ |
| 3842 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3843 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 3844 | FT_Render_Glyph( FT_GlyphSlot slot, |
| 3845 | FT_Render_Mode render_mode ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3846 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3847 | FT_Library library; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3848 | |
| 3849 | |
Werner Lemberg | e30de29 | 2010-05-22 20:03:41 +0200 | [diff] [blame] | 3850 | if ( !slot || !slot->face ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3851 | return FT_Err_Invalid_Argument; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3852 | |
| 3853 | library = FT_FACE_LIBRARY( slot->face ); |
| 3854 | |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3855 | return FT_Render_Glyph_Internal( library, slot, render_mode ); |
| 3856 | } |
| 3857 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3858 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3859 | /*************************************************************************/ |
| 3860 | /*************************************************************************/ |
| 3861 | /*************************************************************************/ |
| 3862 | /**** ****/ |
| 3863 | /**** ****/ |
| 3864 | /**** M O D U L E S ****/ |
| 3865 | /**** ****/ |
| 3866 | /**** ****/ |
| 3867 | /*************************************************************************/ |
| 3868 | /*************************************************************************/ |
| 3869 | /*************************************************************************/ |
| 3870 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3871 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3872 | /*************************************************************************/ |
| 3873 | /* */ |
| 3874 | /* <Function> */ |
| 3875 | /* Destroy_Module */ |
| 3876 | /* */ |
| 3877 | /* <Description> */ |
| 3878 | /* Destroys a given module object. For drivers, this also destroys */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3879 | /* all child faces. */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3880 | /* */ |
| 3881 | /* <InOut> */ |
| 3882 | /* module :: A handle to the target driver object. */ |
| 3883 | /* */ |
| 3884 | /* <Note> */ |
| 3885 | /* The driver _must_ be LOCKED! */ |
| 3886 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3887 | static void |
| 3888 | Destroy_Module( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3889 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 3890 | FT_Memory memory = module->memory; |
| 3891 | FT_Module_Class* clazz = module->clazz; |
| 3892 | FT_Library library = module->library; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3893 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3894 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3895 | /* finalize client-data - before anything else */ |
| 3896 | if ( module->generic.finalizer ) |
| 3897 | module->generic.finalizer( module ); |
| 3898 | |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 3899 | if ( library && library->auto_hinter == module ) |
| 3900 | library->auto_hinter = 0; |
| 3901 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3902 | /* if the module is a renderer */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3903 | if ( FT_MODULE_IS_RENDERER( module ) ) |
| 3904 | ft_remove_renderer( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3905 | |
| 3906 | /* if the module is a font driver, add some steps */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3907 | if ( FT_MODULE_IS_DRIVER( module ) ) |
| 3908 | Destroy_Driver( FT_DRIVER( module ) ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3909 | |
| 3910 | /* finalize the module object */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3911 | if ( clazz->module_done ) |
| 3912 | clazz->module_done( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3913 | |
| 3914 | /* discard it */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3915 | FT_FREE( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3916 | } |
| 3917 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3918 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 3919 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3920 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3921 | FT_EXPORT_DEF( FT_Error ) |
| 3922 | FT_Add_Module( FT_Library library, |
| 3923 | const FT_Module_Class* clazz ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3924 | { |
| 3925 | FT_Error error; |
| 3926 | FT_Memory memory; |
| 3927 | FT_Module module; |
| 3928 | FT_UInt nn; |
| 3929 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3930 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3931 | #define FREETYPE_VER_FIXED ( ( (FT_Long)FREETYPE_MAJOR << 16 ) | \ |
| 3932 | FREETYPE_MINOR ) |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3933 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3934 | if ( !library ) |
| 3935 | return FT_Err_Invalid_Library_Handle; |
| 3936 | |
| 3937 | if ( !clazz ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3938 | return FT_Err_Invalid_Argument; |
| 3939 | |
| 3940 | /* check freetype version */ |
| 3941 | if ( clazz->module_requires > FREETYPE_VER_FIXED ) |
| 3942 | return FT_Err_Invalid_Version; |
| 3943 | |
| 3944 | /* look for a module with the same name in the library's table */ |
| 3945 | for ( nn = 0; nn < library->num_modules; nn++ ) |
| 3946 | { |
| 3947 | module = library->modules[nn]; |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 3948 | if ( ft_strcmp( module->clazz->module_name, clazz->module_name ) == 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3949 | { |
| 3950 | /* this installed module has the same name, compare their versions */ |
| 3951 | if ( clazz->module_version <= module->clazz->module_version ) |
| 3952 | return FT_Err_Lower_Module_Version; |
| 3953 | |
| 3954 | /* remove the module from our list, then exit the loop to replace */ |
| 3955 | /* it by our new version.. */ |
| 3956 | FT_Remove_Module( library, module ); |
| 3957 | break; |
| 3958 | } |
| 3959 | } |
| 3960 | |
| 3961 | memory = library->memory; |
| 3962 | error = FT_Err_Ok; |
| 3963 | |
| 3964 | if ( library->num_modules >= FT_MAX_MODULES ) |
| 3965 | { |
| 3966 | error = FT_Err_Too_Many_Drivers; |
| 3967 | goto Exit; |
| 3968 | } |
| 3969 | |
| 3970 | /* allocate module object */ |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 3971 | if ( FT_ALLOC( module, clazz->module_size ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3972 | goto Exit; |
| 3973 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3974 | /* base initialization */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3975 | module->library = library; |
| 3976 | module->memory = memory; |
| 3977 | module->clazz = (FT_Module_Class*)clazz; |
| 3978 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3979 | /* check whether the module is a renderer - this must be performed */ |
| 3980 | /* before the normal module initialization */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3981 | if ( FT_MODULE_IS_RENDERER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3982 | { |
| 3983 | /* add to the renderers list */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3984 | error = ft_add_renderer( module ); |
| 3985 | if ( error ) |
| 3986 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3987 | } |
| 3988 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 3989 | /* is the module a auto-hinter? */ |
| 3990 | if ( FT_MODULE_IS_HINTER( module ) ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 3991 | library->auto_hinter = module; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 3992 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3993 | /* if the module is a font driver */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3994 | if ( FT_MODULE_IS_DRIVER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3995 | { |
| 3996 | /* allocate glyph loader if needed */ |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3997 | FT_Driver driver = FT_DRIVER( module ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3998 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3999 | |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 4000 | driver->clazz = (FT_Driver_Class)module->clazz; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4001 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4002 | { |
| 4003 | error = FT_GlyphLoader_New( memory, &driver->glyph_loader ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4004 | if ( error ) |
| 4005 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4006 | } |
| 4007 | } |
| 4008 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4009 | if ( clazz->module_init ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4010 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4011 | error = clazz->module_init( module ); |
| 4012 | if ( error ) |
| 4013 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4014 | } |
| 4015 | |
| 4016 | /* add module to the library's table */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4017 | library->modules[library->num_modules++] = module; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 4018 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4019 | Exit: |
| 4020 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 4021 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4022 | Fail: |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4023 | if ( FT_MODULE_IS_DRIVER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4024 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4025 | FT_Driver driver = FT_DRIVER( module ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 4026 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4027 | |
| 4028 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4029 | FT_GlyphLoader_Done( driver->glyph_loader ); |
| 4030 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 4031 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4032 | if ( FT_MODULE_IS_RENDERER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4033 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4034 | FT_Renderer renderer = FT_RENDERER( module ); |
| 4035 | |
| 4036 | |
| 4037 | if ( renderer->raster ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4038 | renderer->clazz->raster_class->raster_done( renderer->raster ); |
| 4039 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4040 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 4041 | FT_FREE( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4042 | goto Exit; |
| 4043 | } |
| 4044 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4045 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 4046 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 4047 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 4048 | FT_EXPORT_DEF( FT_Module ) |
| 4049 | FT_Get_Module( FT_Library library, |
| 4050 | const char* module_name ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4051 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 4052 | FT_Module result = 0; |
| 4053 | FT_Module* cur; |
| 4054 | FT_Module* limit; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4055 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4056 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 4057 | if ( !library || !module_name ) |
| 4058 | return result; |
| 4059 | |
| 4060 | cur = library->modules; |
| 4061 | limit = cur + library->num_modules; |
| 4062 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4063 | for ( ; cur < limit; cur++ ) |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 4064 | if ( ft_strcmp( cur[0]->clazz->module_name, module_name ) == 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4065 | { |
| 4066 | result = cur[0]; |
| 4067 | break; |
| 4068 | } |
| 4069 | |
| 4070 | return result; |
| 4071 | } |
| 4072 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4073 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 4074 | /* documentation is in ftobjs.h */ |
| 4075 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 4076 | FT_BASE_DEF( const void* ) |
| 4077 | FT_Get_Module_Interface( FT_Library library, |
| 4078 | const char* mod_name ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4079 | { |
| 4080 | FT_Module module; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 4081 | |
| 4082 | |
| 4083 | /* test for valid `library' delayed to FT_Get_Module() */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4084 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4085 | module = FT_Get_Module( library, mod_name ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4086 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4087 | return module ? module->clazz->module_interface : 0; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 4088 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4089 | |
| 4090 | |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 4091 | FT_BASE_DEF( FT_Pointer ) |
| 4092 | ft_module_get_service( FT_Module module, |
| 4093 | const char* service_id ) |
| 4094 | { |
| 4095 | FT_Pointer result = NULL; |
| 4096 | |
| 4097 | if ( module ) |
| 4098 | { |
| 4099 | FT_ASSERT( module->clazz && module->clazz->get_interface ); |
| 4100 | |
| 4101 | /* first, look for the service in the module |
| 4102 | */ |
| 4103 | if ( module->clazz->get_interface ) |
| 4104 | result = module->clazz->get_interface( module, service_id ); |
| 4105 | |
| 4106 | if ( result == NULL ) |
| 4107 | { |
| 4108 | /* we didn't find it, look in all other modules then |
| 4109 | */ |
| 4110 | FT_Library library = module->library; |
| 4111 | FT_Module* cur = library->modules; |
| 4112 | FT_Module* limit = cur + library->num_modules; |
| 4113 | |
| 4114 | for ( ; cur < limit; cur++ ) |
| 4115 | { |
| 4116 | if ( cur[0] != module ) |
| 4117 | { |
| 4118 | FT_ASSERT( cur[0]->clazz ); |
| 4119 | |
| 4120 | if ( cur[0]->clazz->get_interface ) |
| 4121 | { |
| 4122 | result = cur[0]->clazz->get_interface( cur[0], service_id ); |
| 4123 | if ( result != NULL ) |
| 4124 | break; |
| 4125 | } |
| 4126 | } |
| 4127 | } |
| 4128 | } |
| 4129 | } |
| 4130 | |
| 4131 | return result; |
| 4132 | } |
| 4133 | |
| 4134 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 4135 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 4136 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 4137 | FT_EXPORT_DEF( FT_Error ) |
| 4138 | FT_Remove_Module( FT_Library library, |
| 4139 | FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4140 | { |
| 4141 | /* try to find the module from the table, then remove it from there */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 4142 | |
| 4143 | if ( !library ) |
| 4144 | return FT_Err_Invalid_Library_Handle; |
| 4145 | |
| 4146 | if ( module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4147 | { |
| 4148 | FT_Module* cur = library->modules; |
| 4149 | FT_Module* limit = cur + library->num_modules; |
| 4150 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4151 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4152 | for ( ; cur < limit; cur++ ) |
| 4153 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 4154 | if ( cur[0] == module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4155 | { |
| 4156 | /* remove it from the table */ |
| 4157 | library->num_modules--; |
| 4158 | limit--; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4159 | while ( cur < limit ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4160 | { |
| 4161 | cur[0] = cur[1]; |
| 4162 | cur++; |
| 4163 | } |
| 4164 | limit[0] = 0; |
| 4165 | |
| 4166 | /* destroy the module */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4167 | Destroy_Module( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4168 | |
| 4169 | return FT_Err_Ok; |
| 4170 | } |
| 4171 | } |
| 4172 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 4173 | return FT_Err_Invalid_Driver_Handle; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4174 | } |
| 4175 | |
| 4176 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4177 | /*************************************************************************/ |
| 4178 | /*************************************************************************/ |
| 4179 | /*************************************************************************/ |
| 4180 | /**** ****/ |
| 4181 | /**** ****/ |
| 4182 | /**** L I B R A R Y ****/ |
| 4183 | /**** ****/ |
| 4184 | /**** ****/ |
| 4185 | /*************************************************************************/ |
| 4186 | /*************************************************************************/ |
| 4187 | /*************************************************************************/ |
| 4188 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4189 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 4190 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 4191 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 4192 | FT_EXPORT_DEF( FT_Error ) |
| 4193 | FT_New_Library( FT_Memory memory, |
| 4194 | FT_Library *alibrary ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4195 | { |
| 4196 | FT_Library library = 0; |
| 4197 | FT_Error error; |
| 4198 | |
| 4199 | |
| 4200 | if ( !memory ) |
| 4201 | return FT_Err_Invalid_Argument; |
| 4202 | |
David Turner | f574960 | 2002-04-18 10:07:26 +0000 | [diff] [blame] | 4203 | #ifdef FT_DEBUG_LEVEL_ERROR |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 4204 | /* init debugging support */ |
| 4205 | ft_debug_init(); |
David Turner | f574960 | 2002-04-18 10:07:26 +0000 | [diff] [blame] | 4206 | #endif |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 4207 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4208 | /* first of all, allocate the library object */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 4209 | if ( FT_NEW( library ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4210 | return error; |
| 4211 | |
| 4212 | library->memory = memory; |
| 4213 | |
Oran Agra | 636c294 | 2009-04-05 17:59:26 +0300 | [diff] [blame] | 4214 | #ifdef FT_CONFIG_OPTION_PIC |
| 4215 | /* initialize position independent code containers */ |
| 4216 | error = ft_pic_container_init( library ); |
| 4217 | if ( error ) |
| 4218 | goto Fail; |
| 4219 | #endif |
| 4220 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4221 | /* allocate the render pool */ |
| 4222 | library->raster_pool_size = FT_RENDER_POOL_SIZE; |
Werner Lemberg | 39c91ad | 2007-07-28 05:40:40 +0000 | [diff] [blame] | 4223 | #if FT_RENDER_POOL_SIZE > 0 |
| 4224 | if ( FT_ALLOC( library->raster_pool, FT_RENDER_POOL_SIZE ) ) |
| 4225 | goto Fail; |
| 4226 | #endif |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4227 | |
Werner Lemberg | 777d6d5 | 2009-06-25 16:46:39 +0200 | [diff] [blame] | 4228 | library->version_major = FREETYPE_MAJOR; |
| 4229 | library->version_minor = FREETYPE_MINOR; |
| 4230 | library->version_patch = FREETYPE_PATCH; |
| 4231 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4232 | /* That's ok now */ |
| 4233 | *alibrary = library; |
| 4234 | |
| 4235 | return FT_Err_Ok; |
| 4236 | |
| 4237 | Fail: |
Oran Agra | 636c294 | 2009-04-05 17:59:26 +0300 | [diff] [blame] | 4238 | #ifdef FT_CONFIG_OPTION_PIC |
| 4239 | ft_pic_container_destroy( library ); |
| 4240 | #endif |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 4241 | FT_FREE( library ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4242 | return error; |
| 4243 | } |
| 4244 | |
| 4245 | |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 4246 | /* documentation is in freetype.h */ |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 4247 | |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 4248 | FT_EXPORT_DEF( void ) |
| 4249 | FT_Library_Version( FT_Library library, |
| 4250 | FT_Int *amajor, |
| 4251 | FT_Int *aminor, |
| 4252 | FT_Int *apatch ) |
| 4253 | { |
| 4254 | FT_Int major = 0; |
| 4255 | FT_Int minor = 0; |
| 4256 | FT_Int patch = 0; |
| 4257 | |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 4258 | |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 4259 | if ( library ) |
| 4260 | { |
| 4261 | major = library->version_major; |
| 4262 | minor = library->version_minor; |
| 4263 | patch = library->version_patch; |
| 4264 | } |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 4265 | |
David Turner | d48575e | 2002-09-18 23:18:36 +0000 | [diff] [blame] | 4266 | if ( amajor ) |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 4267 | *amajor = major; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 4268 | |
David Turner | d48575e | 2002-09-18 23:18:36 +0000 | [diff] [blame] | 4269 | if ( aminor ) |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 4270 | *aminor = minor; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 4271 | |
David Turner | d48575e | 2002-09-18 23:18:36 +0000 | [diff] [blame] | 4272 | if ( apatch ) |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 4273 | *apatch = patch; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 4274 | } |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 4275 | |
| 4276 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 4277 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 4278 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 4279 | FT_EXPORT_DEF( FT_Error ) |
| 4280 | FT_Done_Library( FT_Library library ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4281 | { |
| 4282 | FT_Memory memory; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4283 | |
| 4284 | |
| 4285 | if ( !library ) |
| 4286 | return FT_Err_Invalid_Library_Handle; |
| 4287 | |
| 4288 | memory = library->memory; |
| 4289 | |
| 4290 | /* Discard client-data */ |
| 4291 | if ( library->generic.finalizer ) |
| 4292 | library->generic.finalizer( library ); |
| 4293 | |
Werner Lemberg | 4ea0a7f | 2007-01-05 09:03:31 +0000 | [diff] [blame] | 4294 | /* Close all faces in the library. If we don't do |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 4295 | * this, we can have some subtle memory leaks. |
Werner Lemberg | 4ea0a7f | 2007-01-05 09:03:31 +0000 | [diff] [blame] | 4296 | * Example: |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 4297 | * |
| 4298 | * - the cff font driver uses the pshinter module in cff_size_done |
| 4299 | * - if the pshinter module is destroyed before the cff font driver, |
Werner Lemberg | 4ea0a7f | 2007-01-05 09:03:31 +0000 | [diff] [blame] | 4300 | * opened FT_Face objects managed by the driver are not properly |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 4301 | * destroyed, resulting in a memory leak |
| 4302 | */ |
| 4303 | { |
| 4304 | FT_UInt n; |
| 4305 | |
Werner Lemberg | 4ea0a7f | 2007-01-05 09:03:31 +0000 | [diff] [blame] | 4306 | |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 4307 | for ( n = 0; n < library->num_modules; n++ ) |
| 4308 | { |
| 4309 | FT_Module module = library->modules[n]; |
| 4310 | FT_List faces; |
| 4311 | |
Werner Lemberg | 4ea0a7f | 2007-01-05 09:03:31 +0000 | [diff] [blame] | 4312 | |
| 4313 | if ( ( module->clazz->module_flags & FT_MODULE_FONT_DRIVER ) == 0 ) |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 4314 | continue; |
| 4315 | |
| 4316 | faces = &FT_DRIVER(module)->faces_list; |
Werner Lemberg | 4ea0a7f | 2007-01-05 09:03:31 +0000 | [diff] [blame] | 4317 | while ( faces->head ) |
Werner Lemberg | 9b1da08 | 2009-01-09 06:21:04 +0000 | [diff] [blame] | 4318 | { |
Werner Lemberg | 4ea0a7f | 2007-01-05 09:03:31 +0000 | [diff] [blame] | 4319 | FT_Done_Face( FT_FACE( faces->head->data ) ); |
Werner Lemberg | 9b1da08 | 2009-01-09 06:21:04 +0000 | [diff] [blame] | 4320 | if ( faces->head ) |
Werner Lemberg | 858abbe | 2009-06-26 06:15:41 +0200 | [diff] [blame] | 4321 | FT_TRACE0(( "FT_Done_Library: failed to free some faces\n" )); |
Werner Lemberg | 9b1da08 | 2009-01-09 06:21:04 +0000 | [diff] [blame] | 4322 | } |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 4323 | } |
| 4324 | } |
| 4325 | |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 4326 | /* Close all other modules in the library */ |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 4327 | #if 1 |
Wu, Chia-I (吳佳一) | a87b08a | 2006-02-28 09:53:23 +0000 | [diff] [blame] | 4328 | /* XXX Modules are removed in the reversed order so that */ |
David Turner | 2b21a93 | 2006-08-16 09:24:32 +0000 | [diff] [blame] | 4329 | /* type42 module is removed before truetype module. This */ |
Wu, Chia-I (吳佳一) | a87b08a | 2006-02-28 09:53:23 +0000 | [diff] [blame] | 4330 | /* avoids double free in some occasions. It is a hack. */ |
David Turner | c808748 | 2001-12-20 13:14:18 +0000 | [diff] [blame] | 4331 | while ( library->num_modules > 0 ) |
Wu, Chia-I (吳佳一) | a87b08a | 2006-02-28 09:53:23 +0000 | [diff] [blame] | 4332 | FT_Remove_Module( library, |
| 4333 | library->modules[library->num_modules - 1] ); |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 4334 | #else |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4335 | { |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 4336 | FT_UInt n; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4337 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4338 | |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 4339 | for ( n = 0; n < library->num_modules; n++ ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4340 | { |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 4341 | FT_Module module = library->modules[n]; |
| 4342 | |
| 4343 | |
| 4344 | if ( module ) |
| 4345 | { |
| 4346 | Destroy_Module( module ); |
| 4347 | library->modules[n] = 0; |
| 4348 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4349 | } |
| 4350 | } |
David Turner | c808748 | 2001-12-20 13:14:18 +0000 | [diff] [blame] | 4351 | #endif |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4352 | |
| 4353 | /* Destroy raster objects */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 4354 | FT_FREE( library->raster_pool ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4355 | library->raster_pool_size = 0; |
| 4356 | |
Oran Agra | 636c294 | 2009-04-05 17:59:26 +0300 | [diff] [blame] | 4357 | #ifdef FT_CONFIG_OPTION_PIC |
| 4358 | /* Destroy pic container contents */ |
| 4359 | ft_pic_container_destroy( library ); |
| 4360 | #endif |
| 4361 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 4362 | FT_FREE( library ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4363 | return FT_Err_Ok; |
| 4364 | } |
| 4365 | |
| 4366 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 4367 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 4368 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 4369 | FT_EXPORT_DEF( void ) |
| 4370 | FT_Set_Debug_Hook( FT_Library library, |
| 4371 | FT_UInt hook_index, |
| 4372 | FT_DebugHook_Func debug_hook ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4373 | { |
| 4374 | if ( library && debug_hook && |
| 4375 | hook_index < |
| 4376 | ( sizeof ( library->debug_hooks ) / sizeof ( void* ) ) ) |
| 4377 | library->debug_hooks[hook_index] = debug_hook; |
| 4378 | } |
| 4379 | |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4380 | |
David Turner | 0b5dc4d | 2006-02-21 22:36:23 +0000 | [diff] [blame] | 4381 | /* documentation is in ftmodapi.h */ |
| 4382 | |
| 4383 | FT_EXPORT_DEF( FT_TrueTypeEngineType ) |
| 4384 | FT_Get_TrueType_Engine_Type( FT_Library library ) |
| 4385 | { |
| 4386 | FT_TrueTypeEngineType result = FT_TRUETYPE_ENGINE_TYPE_NONE; |
| 4387 | |
Werner Lemberg | 5edafed | 2006-02-22 08:23:35 +0000 | [diff] [blame] | 4388 | |
David Turner | 0b5dc4d | 2006-02-21 22:36:23 +0000 | [diff] [blame] | 4389 | if ( library ) |
| 4390 | { |
| 4391 | FT_Module module = FT_Get_Module( library, "truetype" ); |
| 4392 | |
Werner Lemberg | 5edafed | 2006-02-22 08:23:35 +0000 | [diff] [blame] | 4393 | |
David Turner | 0b5dc4d | 2006-02-21 22:36:23 +0000 | [diff] [blame] | 4394 | if ( module ) |
| 4395 | { |
| 4396 | FT_Service_TrueTypeEngine service; |
| 4397 | |
Werner Lemberg | 5edafed | 2006-02-22 08:23:35 +0000 | [diff] [blame] | 4398 | |
David Turner | 6c71c6b | 2006-02-25 12:49:40 +0000 | [diff] [blame] | 4399 | service = (FT_Service_TrueTypeEngine) |
| 4400 | ft_module_get_service( module, |
| 4401 | FT_SERVICE_ID_TRUETYPE_ENGINE ); |
David Turner | 0b5dc4d | 2006-02-21 22:36:23 +0000 | [diff] [blame] | 4402 | if ( service ) |
| 4403 | result = service->engine_type; |
| 4404 | } |
| 4405 | } |
Werner Lemberg | 5edafed | 2006-02-22 08:23:35 +0000 | [diff] [blame] | 4406 | |
David Turner | 0b5dc4d | 2006-02-21 22:36:23 +0000 | [diff] [blame] | 4407 | return result; |
| 4408 | } |
| 4409 | |
Werner Lemberg | 5edafed | 2006-02-22 08:23:35 +0000 | [diff] [blame] | 4410 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4411 | #ifdef FT_CONFIG_OPTION_OLD_INTERNALS |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4412 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4413 | FT_BASE_DEF( FT_Error ) |
| 4414 | ft_stub_set_char_sizes( FT_Size size, |
| 4415 | FT_F26Dot6 width, |
| 4416 | FT_F26Dot6 height, |
| 4417 | FT_UInt horz_res, |
| 4418 | FT_UInt vert_res ) |
| 4419 | { |
| 4420 | FT_Size_RequestRec req; |
| 4421 | FT_Driver driver = size->face->driver; |
| 4422 | |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4423 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4424 | if ( driver->clazz->request_size ) |
| 4425 | { |
| 4426 | req.type = FT_SIZE_REQUEST_TYPE_NOMINAL; |
| 4427 | req.width = width; |
| 4428 | req.height = height; |
| 4429 | |
| 4430 | if ( horz_res == 0 ) |
| 4431 | horz_res = vert_res; |
| 4432 | |
| 4433 | if ( vert_res == 0 ) |
| 4434 | vert_res = horz_res; |
| 4435 | |
| 4436 | if ( horz_res == 0 ) |
| 4437 | horz_res = vert_res = 72; |
| 4438 | |
| 4439 | req.horiResolution = horz_res; |
| 4440 | req.vertResolution = vert_res; |
| 4441 | |
| 4442 | return driver->clazz->request_size( size, &req ); |
| 4443 | } |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4444 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4445 | return 0; |
| 4446 | } |
| 4447 | |
| 4448 | |
| 4449 | FT_BASE_DEF( FT_Error ) |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4450 | ft_stub_set_pixel_sizes( FT_Size size, |
| 4451 | FT_UInt width, |
| 4452 | FT_UInt height ) |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4453 | { |
| 4454 | FT_Size_RequestRec req; |
| 4455 | FT_Driver driver = size->face->driver; |
| 4456 | |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4457 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4458 | if ( driver->clazz->request_size ) |
| 4459 | { |
| 4460 | req.type = FT_SIZE_REQUEST_TYPE_NOMINAL; |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4461 | req.width = width << 6; |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4462 | req.height = height << 6; |
| 4463 | req.horiResolution = 0; |
| 4464 | req.vertResolution = 0; |
| 4465 | |
| 4466 | return driver->clazz->request_size( size, &req ); |
| 4467 | } |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4468 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4469 | return 0; |
| 4470 | } |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4471 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4472 | #endif /* FT_CONFIG_OPTION_OLD_INTERNALS */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4473 | |
David Turner | 2b21a93 | 2006-08-16 09:24:32 +0000 | [diff] [blame] | 4474 | |
Werner Lemberg | e30de29 | 2010-05-22 20:03:41 +0200 | [diff] [blame] | 4475 | /* documentation is in freetype.h */ |
| 4476 | |
David Turner | 2ce9203 | 2006-03-23 20:58:20 +0000 | [diff] [blame] | 4477 | FT_EXPORT_DEF( FT_Error ) |
| 4478 | FT_Get_SubGlyph_Info( FT_GlyphSlot glyph, |
| 4479 | FT_UInt sub_index, |
Werner Lemberg | 4db32ec | 2006-03-24 11:54:53 +0000 | [diff] [blame] | 4480 | FT_Int *p_index, |
| 4481 | FT_UInt *p_flags, |
| 4482 | FT_Int *p_arg1, |
| 4483 | FT_Int *p_arg2, |
| 4484 | FT_Matrix *p_transform ) |
David Turner | 2ce9203 | 2006-03-23 20:58:20 +0000 | [diff] [blame] | 4485 | { |
Werner Lemberg | 4db32ec | 2006-03-24 11:54:53 +0000 | [diff] [blame] | 4486 | FT_Error error = FT_Err_Invalid_Argument; |
Werner Lemberg | 4db32ec | 2006-03-24 11:54:53 +0000 | [diff] [blame] | 4487 | |
David Turner | 2b21a93 | 2006-08-16 09:24:32 +0000 | [diff] [blame] | 4488 | |
Werner Lemberg | e30de29 | 2010-05-22 20:03:41 +0200 | [diff] [blame] | 4489 | if ( glyph && |
| 4490 | glyph->subglyphs && |
Werner Lemberg | 4db32ec | 2006-03-24 11:54:53 +0000 | [diff] [blame] | 4491 | glyph->format == FT_GLYPH_FORMAT_COMPOSITE && |
| 4492 | sub_index < glyph->num_subglyphs ) |
| 4493 | { |
David Turner | 2ce9203 | 2006-03-23 20:58:20 +0000 | [diff] [blame] | 4494 | FT_SubGlyph subg = glyph->subglyphs + sub_index; |
David Turner | 2b21a93 | 2006-08-16 09:24:32 +0000 | [diff] [blame] | 4495 | |
Werner Lemberg | 4db32ec | 2006-03-24 11:54:53 +0000 | [diff] [blame] | 4496 | |
| 4497 | *p_index = subg->index; |
| 4498 | *p_flags = subg->flags; |
| 4499 | *p_arg1 = subg->arg1; |
| 4500 | *p_arg2 = subg->arg2; |
| 4501 | *p_transform = subg->transform; |
| 4502 | } |
| 4503 | |
| 4504 | return error; |
David Turner | 2ce9203 | 2006-03-23 20:58:20 +0000 | [diff] [blame] | 4505 | } |
| 4506 | |
Werner Lemberg | 4db32ec | 2006-03-24 11:54:53 +0000 | [diff] [blame] | 4507 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 4508 | /* END */ |