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 | c32e83f | 2008-04-01 06:07:37 +0000 | [diff] [blame^] | 7 | /* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by */ |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 8 | /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 9 | /* */ |
Werner Lemberg | 4e6dd85 | 2000-06-05 05:26:15 +0000 | [diff] [blame] | 10 | /* This file is part of the FreeType project, and may only be used, */ |
| 11 | /* modified, and distributed under the terms of the FreeType project */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 12 | /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
| 13 | /* this file you indicate that you have read the license and */ |
| 14 | /* understand and accept it fully. */ |
| 15 | /* */ |
| 16 | /***************************************************************************/ |
| 17 | |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 18 | |
| 19 | #include <ft2build.h> |
| 20 | #include FT_LIST_H |
David Turner | 7fe38a5 | 2002-01-04 09:47:30 +0000 | [diff] [blame] | 21 | #include FT_OUTLINE_H |
Werner Lemberg | 645af08 | 2004-09-06 07:06:56 +0000 | [diff] [blame] | 22 | #include FT_INTERNAL_VALIDATE_H |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 23 | #include FT_INTERNAL_OBJECTS_H |
| 24 | #include FT_INTERNAL_DEBUG_H |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 25 | #include FT_INTERNAL_RFORK_H |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 26 | #include FT_INTERNAL_STREAM_H |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 27 | #include FT_INTERNAL_SFNT_H /* for SFNT_Load_Table_Func */ |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 28 | #include FT_TRUETYPE_TABLES_H |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 29 | #include FT_TRUETYPE_IDS_H |
David Turner | f86709a | 2002-01-07 10:04:09 +0000 | [diff] [blame] | 30 | #include FT_OUTLINE_H |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 31 | |
Werner Lemberg | 5e3614f | 2003-09-12 19:38:13 +0000 | [diff] [blame] | 32 | #include FT_SERVICE_SFNT_H |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 33 | #include FT_SERVICE_POSTSCRIPT_NAME_H |
| 34 | #include FT_SERVICE_GLYPH_DICT_H |
Werner Lemberg | 91a6747 | 2003-12-17 14:28:22 +0000 | [diff] [blame] | 35 | #include FT_SERVICE_TT_CMAP_H |
Wu, Chia-I (吳佳一) | 108fdbb | 2006-01-16 15:35:56 +0000 | [diff] [blame] | 36 | #include FT_SERVICE_KERNING_H |
David Turner | 0b5dc4d | 2006-02-21 22:36:23 +0000 | [diff] [blame] | 37 | #include FT_SERVICE_TRUETYPE_ENGINE_H |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 38 | |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 39 | #define GRID_FIT_METRICS |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 40 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 41 | FT_BASE_DEF( FT_Pointer ) |
| 42 | ft_service_list_lookup( FT_ServiceDesc service_descriptors, |
| 43 | const char* service_id ) |
| 44 | { |
| 45 | FT_Pointer result = NULL; |
| 46 | FT_ServiceDesc desc = service_descriptors; |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 47 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 48 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 49 | if ( desc && service_id ) |
| 50 | { |
| 51 | for ( ; desc->serv_id != NULL; desc++ ) |
| 52 | { |
| 53 | if ( ft_strcmp( desc->serv_id, service_id ) == 0 ) |
| 54 | { |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 55 | result = (FT_Pointer)desc->serv_data; |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 56 | break; |
| 57 | } |
| 58 | } |
| 59 | } |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 60 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 61 | return result; |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 62 | } |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 63 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 64 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 65 | FT_BASE_DEF( void ) |
| 66 | ft_validator_init( FT_Validator valid, |
| 67 | const FT_Byte* base, |
| 68 | const FT_Byte* limit, |
| 69 | FT_ValidationLevel level ) |
| 70 | { |
| 71 | valid->base = base; |
| 72 | valid->limit = limit; |
| 73 | valid->level = level; |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 74 | valid->error = FT_Err_Ok; |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 75 | } |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 76 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 77 | |
| 78 | FT_BASE_DEF( FT_Int ) |
| 79 | ft_validator_run( FT_Validator valid ) |
| 80 | { |
Werner Lemberg | 1234299 | 2006-08-19 11:18:09 +0000 | [diff] [blame] | 81 | /* This function doesn't work! None should call it. */ |
| 82 | FT_UNUSED( valid ); |
| 83 | |
David Turner | 2b21a93 | 2006-08-16 09:24:32 +0000 | [diff] [blame] | 84 | return -1; |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 85 | } |
| 86 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 87 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 88 | FT_BASE_DEF( void ) |
| 89 | ft_validator_error( FT_Validator valid, |
| 90 | FT_Error error ) |
| 91 | { |
Jens Claudius | a787f45 | 2006-08-27 11:26:18 +0000 | [diff] [blame] | 92 | /* since the cast below also disables the compiler's */ |
| 93 | /* type check, we introduce a dummy variable, which */ |
| 94 | /* will be optimized away */ |
Werner Lemberg | 607dec7 | 2007-05-15 06:49:37 +0000 | [diff] [blame] | 95 | volatile ft_jmp_buf* jump_buffer = &valid->jump_buffer; |
Jens Claudius | a787f45 | 2006-08-27 11:26:18 +0000 | [diff] [blame] | 96 | |
| 97 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 98 | valid->error = error; |
Jens Claudius | a787f45 | 2006-08-27 11:26:18 +0000 | [diff] [blame] | 99 | |
| 100 | /* throw away volatileness; use `jump_buffer' or the */ |
| 101 | /* compiler may warn about an unused local variable */ |
Werner Lemberg | 607dec7 | 2007-05-15 06:49:37 +0000 | [diff] [blame] | 102 | ft_longjmp( *(ft_jmp_buf*) jump_buffer, 1 ); |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 103 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 104 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 105 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 106 | /*************************************************************************/ |
| 107 | /*************************************************************************/ |
| 108 | /*************************************************************************/ |
| 109 | /**** ****/ |
| 110 | /**** ****/ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 111 | /**** S T R E A M ****/ |
| 112 | /**** ****/ |
| 113 | /**** ****/ |
| 114 | /*************************************************************************/ |
| 115 | /*************************************************************************/ |
| 116 | /*************************************************************************/ |
| 117 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 118 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 119 | /* create a new input stream from an FT_Open_Args structure */ |
| 120 | /* */ |
| 121 | FT_BASE_DEF( FT_Error ) |
| 122 | FT_Stream_New( FT_Library library, |
| 123 | const FT_Open_Args* args, |
| 124 | FT_Stream *astream ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 125 | { |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 126 | FT_Error error; |
| 127 | FT_Memory memory; |
| 128 | FT_Stream stream; |
| 129 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 130 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 131 | if ( !library ) |
| 132 | return FT_Err_Invalid_Library_Handle; |
| 133 | |
| 134 | if ( !args ) |
| 135 | return FT_Err_Invalid_Argument; |
| 136 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 137 | *astream = 0; |
| 138 | memory = library->memory; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 139 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 140 | if ( FT_NEW( stream ) ) |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 141 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 142 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 143 | stream->memory = memory; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 144 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 145 | if ( args->flags & FT_OPEN_MEMORY ) |
Just van Rossum | d35aea7 | 2000-03-02 01:07:50 +0000 | [diff] [blame] | 146 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 147 | /* create a memory-based stream */ |
David Turner | 7d3a264 | 2002-03-20 10:49:31 +0000 | [diff] [blame] | 148 | FT_Stream_OpenMemory( stream, |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 149 | (const FT_Byte*)args->memory_base, |
| 150 | args->memory_size ); |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 151 | } |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 152 | else if ( args->flags & FT_OPEN_PATHNAME ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 153 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 154 | /* create a normal system stream */ |
| 155 | error = FT_Stream_Open( stream, args->pathname ); |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 156 | stream->pathname.pointer = args->pathname; |
| 157 | } |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 158 | else if ( ( args->flags & FT_OPEN_STREAM ) && args->stream ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 159 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 160 | /* use an existing, user-provided stream */ |
| 161 | |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 162 | /* in this case, we do not need to allocate a new stream object */ |
| 163 | /* since the caller is responsible for closing it himself */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 164 | FT_FREE( stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 165 | stream = args->stream; |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 166 | } |
| 167 | else |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 168 | error = FT_Err_Invalid_Argument; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 169 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 170 | if ( error ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 171 | FT_FREE( stream ); |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 172 | else |
| 173 | stream->memory = memory; /* just to be certain */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 174 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 175 | *astream = stream; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 176 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 177 | Exit: |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 178 | return error; |
| 179 | } |
| 180 | |
| 181 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 182 | FT_BASE_DEF( void ) |
| 183 | FT_Stream_Free( FT_Stream stream, |
| 184 | FT_Int external ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 185 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 186 | if ( stream ) |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 187 | { |
| 188 | FT_Memory memory = stream->memory; |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 189 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 190 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 191 | FT_Stream_Close( stream ); |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 192 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 193 | if ( !external ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 194 | FT_FREE( stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 195 | } |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 196 | } |
| 197 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 198 | |
Werner Lemberg | eb81e37 | 2000-06-03 06:03:11 +0000 | [diff] [blame] | 199 | #undef FT_COMPONENT |
| 200 | #define FT_COMPONENT trace_objs |
| 201 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 202 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 203 | /*************************************************************************/ |
| 204 | /*************************************************************************/ |
| 205 | /*************************************************************************/ |
| 206 | /**** ****/ |
| 207 | /**** ****/ |
| 208 | /**** FACE, SIZE & GLYPH SLOT OBJECTS ****/ |
| 209 | /**** ****/ |
| 210 | /**** ****/ |
| 211 | /*************************************************************************/ |
| 212 | /*************************************************************************/ |
| 213 | /*************************************************************************/ |
| 214 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 215 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 216 | static FT_Error |
| 217 | ft_glyphslot_init( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 218 | { |
| 219 | FT_Driver driver = slot->face->driver; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 220 | FT_Driver_Class clazz = driver->clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 221 | FT_Memory memory = driver->root.memory; |
| 222 | FT_Error error = FT_Err_Ok; |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 223 | FT_Slot_Internal internal; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 224 | |
Werner Lemberg | a8bbc26 | 2000-07-01 14:06:46 +0000 | [diff] [blame] | 225 | |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 226 | slot->library = driver->root.library; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 227 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 228 | if ( FT_NEW( internal ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 229 | goto Exit; |
| 230 | |
| 231 | slot->internal = internal; |
| 232 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 233 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 234 | error = FT_GlyphLoader_New( memory, &internal->loader ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 235 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 236 | if ( !error && clazz->init_slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 237 | error = clazz->init_slot( slot ); |
| 238 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 239 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 240 | return error; |
| 241 | } |
| 242 | |
Werner Lemberg | e20ab69 | 2003-06-02 07:24:33 +0000 | [diff] [blame] | 243 | |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 244 | FT_BASE_DEF( void ) |
| 245 | ft_glyphslot_free_bitmap( FT_GlyphSlot slot ) |
| 246 | { |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 247 | if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 248 | { |
| 249 | FT_Memory memory = FT_FACE_MEMORY( slot->face ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 250 | |
| 251 | |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 252 | FT_FREE( slot->bitmap.buffer ); |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 253 | slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP; |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 254 | } |
| 255 | else |
| 256 | { |
| 257 | /* assume that the bitmap buffer was stolen or not */ |
| 258 | /* allocated from the heap */ |
| 259 | slot->bitmap.buffer = NULL; |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | |
| 264 | FT_BASE_DEF( void ) |
| 265 | ft_glyphslot_set_bitmap( FT_GlyphSlot slot, |
Werner Lemberg | 319c00d | 2003-04-23 19:48:24 +0000 | [diff] [blame] | 266 | FT_Byte* buffer ) |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 267 | { |
| 268 | ft_glyphslot_free_bitmap( slot ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 269 | |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 270 | slot->bitmap.buffer = buffer; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 271 | |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 272 | FT_ASSERT( (slot->internal->flags & FT_GLYPH_OWN_BITMAP) == 0 ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 273 | } |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 274 | |
| 275 | |
| 276 | FT_BASE_DEF( FT_Error ) |
| 277 | ft_glyphslot_alloc_bitmap( FT_GlyphSlot slot, |
| 278 | FT_ULong size ) |
| 279 | { |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 280 | FT_Memory memory = FT_FACE_MEMORY( slot->face ); |
| 281 | FT_Error error; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 282 | |
| 283 | |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 284 | if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 285 | FT_FREE( slot->bitmap.buffer ); |
| 286 | else |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 287 | slot->internal->flags |= FT_GLYPH_OWN_BITMAP; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 288 | |
David Turner | 6a681fa | 2006-01-27 12:11:22 +0000 | [diff] [blame] | 289 | (void)FT_ALLOC( slot->bitmap.buffer, size ); |
| 290 | return error; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 291 | } |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 292 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 293 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 294 | static void |
| 295 | ft_glyphslot_clear( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 296 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 297 | /* free bitmap if needed */ |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 298 | ft_glyphslot_free_bitmap( slot ); |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 299 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 300 | /* clear all public fields in the glyph slot */ |
David Turner | 3249c62 | 2002-10-31 08:30:19 +0000 | [diff] [blame] | 301 | FT_ZERO( &slot->metrics ); |
| 302 | FT_ZERO( &slot->outline ); |
| 303 | |
Werner Lemberg | 0f1c4fa | 2005-06-06 07:01:47 +0000 | [diff] [blame] | 304 | slot->bitmap.width = 0; |
| 305 | slot->bitmap.rows = 0; |
| 306 | slot->bitmap.pitch = 0; |
David Turner | 3249c62 | 2002-10-31 08:30:19 +0000 | [diff] [blame] | 307 | slot->bitmap.pixel_mode = 0; |
Werner Lemberg | 0f1c4fa | 2005-06-06 07:01:47 +0000 | [diff] [blame] | 308 | /* `slot->bitmap.buffer' has been handled by ft_glyphslot_free_bitmap */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 309 | |
| 310 | slot->bitmap_left = 0; |
| 311 | slot->bitmap_top = 0; |
| 312 | slot->num_subglyphs = 0; |
| 313 | slot->subglyphs = 0; |
| 314 | slot->control_data = 0; |
| 315 | slot->control_len = 0; |
| 316 | slot->other = 0; |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 317 | slot->format = FT_GLYPH_FORMAT_NONE; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 318 | |
| 319 | slot->linearHoriAdvance = 0; |
| 320 | slot->linearVertAdvance = 0; |
Werner Lemberg | 34f4f39 | 2004-12-09 22:22:52 +0000 | [diff] [blame] | 321 | slot->lsb_delta = 0; |
| 322 | slot->rsb_delta = 0; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 326 | static void |
| 327 | ft_glyphslot_done( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 328 | { |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 329 | FT_Driver driver = slot->face->driver; |
| 330 | FT_Driver_Class clazz = driver->clazz; |
| 331 | FT_Memory memory = driver->root.memory; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 332 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 333 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 334 | if ( clazz->done_slot ) |
| 335 | clazz->done_slot( slot ); |
| 336 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 337 | /* free bitmap buffer if needed */ |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 338 | ft_glyphslot_free_bitmap( slot ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 339 | |
| 340 | /* free glyph loader */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 341 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 342 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 343 | FT_GlyphLoader_Done( slot->internal->loader ); |
| 344 | slot->internal->loader = 0; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 345 | } |
| 346 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 347 | FT_FREE( slot->internal ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 348 | } |
| 349 | |
| 350 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 351 | /* documentation is in ftobjs.h */ |
| 352 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 353 | FT_BASE_DEF( FT_Error ) |
| 354 | FT_New_GlyphSlot( FT_Face face, |
| 355 | FT_GlyphSlot *aslot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 356 | { |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 357 | FT_Error error; |
| 358 | FT_Driver driver; |
| 359 | FT_Driver_Class clazz; |
| 360 | FT_Memory memory; |
| 361 | FT_GlyphSlot slot; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 362 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 363 | |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 364 | if ( !face || !face->driver ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 365 | return FT_Err_Invalid_Argument; |
| 366 | |
| 367 | driver = face->driver; |
| 368 | clazz = driver->clazz; |
| 369 | memory = driver->root.memory; |
| 370 | |
| 371 | FT_TRACE4(( "FT_New_GlyphSlot: Creating new slot object\n" )); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 372 | if ( !FT_ALLOC( slot, clazz->slot_object_size ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 373 | { |
| 374 | slot->face = face; |
| 375 | |
| 376 | error = ft_glyphslot_init( slot ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 377 | if ( error ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 378 | { |
| 379 | ft_glyphslot_done( slot ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 380 | FT_FREE( slot ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 381 | goto Exit; |
| 382 | } |
| 383 | |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 384 | slot->next = face->glyph; |
| 385 | face->glyph = slot; |
| 386 | |
| 387 | if ( aslot ) |
| 388 | *aslot = slot; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 389 | } |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 390 | else if ( aslot ) |
| 391 | *aslot = 0; |
| 392 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 393 | |
| 394 | Exit: |
| 395 | FT_TRACE4(( "FT_New_GlyphSlot: Return %d\n", error )); |
| 396 | return error; |
| 397 | } |
| 398 | |
| 399 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 400 | /* documentation is in ftobjs.h */ |
| 401 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 402 | FT_BASE_DEF( void ) |
| 403 | FT_Done_GlyphSlot( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 404 | { |
| 405 | if ( slot ) |
| 406 | { |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 407 | FT_Driver driver = slot->face->driver; |
| 408 | FT_Memory memory = driver->root.memory; |
| 409 | FT_GlyphSlot prev; |
| 410 | FT_GlyphSlot cur; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 411 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 412 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 413 | /* Remove slot from its parent face's list */ |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 414 | prev = NULL; |
| 415 | cur = slot->face->glyph; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 416 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 417 | while ( cur ) |
| 418 | { |
| 419 | if ( cur == slot ) |
| 420 | { |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 421 | if ( !prev ) |
| 422 | slot->face->glyph = cur->next; |
| 423 | else |
| 424 | prev->next = cur->next; |
| 425 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 426 | ft_glyphslot_done( slot ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 427 | FT_FREE( slot ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 428 | break; |
| 429 | } |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 430 | prev = cur; |
| 431 | cur = cur->next; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 432 | } |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 437 | /* documentation is in freetype.h */ |
| 438 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 439 | FT_EXPORT_DEF( void ) |
| 440 | FT_Set_Transform( FT_Face face, |
| 441 | FT_Matrix* matrix, |
| 442 | FT_Vector* delta ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 443 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 444 | FT_Face_Internal internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 445 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 446 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 447 | if ( !face ) |
| 448 | return; |
| 449 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 450 | internal = face->internal; |
| 451 | |
| 452 | internal->transform_flags = 0; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 453 | |
| 454 | if ( !matrix ) |
| 455 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 456 | internal->transform_matrix.xx = 0x10000L; |
| 457 | internal->transform_matrix.xy = 0; |
| 458 | internal->transform_matrix.yx = 0; |
| 459 | internal->transform_matrix.yy = 0x10000L; |
| 460 | matrix = &internal->transform_matrix; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 461 | } |
| 462 | else |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 463 | internal->transform_matrix = *matrix; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 464 | |
| 465 | /* set transform_flags bit flag 0 if `matrix' isn't the identity */ |
| 466 | if ( ( matrix->xy | matrix->yx ) || |
| 467 | matrix->xx != 0x10000L || |
| 468 | matrix->yy != 0x10000L ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 469 | internal->transform_flags |= 1; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 470 | |
| 471 | if ( !delta ) |
| 472 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 473 | internal->transform_delta.x = 0; |
| 474 | internal->transform_delta.y = 0; |
| 475 | delta = &internal->transform_delta; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 476 | } |
| 477 | else |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 478 | internal->transform_delta = *delta; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 479 | |
| 480 | /* set transform_flags bit flag 1 if `delta' isn't the null vector */ |
| 481 | if ( delta->x | delta->y ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 482 | internal->transform_flags |= 2; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 483 | } |
| 484 | |
| 485 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 486 | static FT_Renderer |
| 487 | ft_lookup_glyph_renderer( FT_GlyphSlot slot ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 488 | |
| 489 | |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 490 | #ifdef GRID_FIT_METRICS |
| 491 | static void |
| 492 | ft_glyphslot_grid_fit_metrics( FT_GlyphSlot slot, |
| 493 | FT_Bool vertical ) |
| 494 | { |
| 495 | FT_Glyph_Metrics* metrics = &slot->metrics; |
| 496 | FT_Pos right, bottom; |
| 497 | |
| 498 | |
| 499 | if ( vertical ) |
| 500 | { |
| 501 | metrics->horiBearingX = FT_PIX_FLOOR( metrics->horiBearingX ); |
| 502 | metrics->horiBearingY = FT_PIX_CEIL ( metrics->horiBearingY ); |
| 503 | |
| 504 | right = FT_PIX_CEIL( metrics->vertBearingX + metrics->width ); |
| 505 | bottom = FT_PIX_CEIL( metrics->vertBearingY + metrics->height ); |
| 506 | |
| 507 | metrics->vertBearingX = FT_PIX_FLOOR( metrics->vertBearingX ); |
| 508 | metrics->vertBearingY = FT_PIX_FLOOR( metrics->vertBearingY ); |
| 509 | |
| 510 | metrics->width = right - metrics->vertBearingX; |
| 511 | metrics->height = bottom - metrics->vertBearingY; |
| 512 | } |
| 513 | else |
| 514 | { |
| 515 | metrics->vertBearingX = FT_PIX_FLOOR( metrics->vertBearingX ); |
| 516 | metrics->vertBearingY = FT_PIX_FLOOR( metrics->vertBearingY ); |
| 517 | |
| 518 | right = FT_PIX_CEIL ( metrics->horiBearingX + metrics->width ); |
| 519 | bottom = FT_PIX_FLOOR( metrics->horiBearingY - metrics->height ); |
| 520 | |
| 521 | metrics->horiBearingX = FT_PIX_FLOOR( metrics->horiBearingX ); |
| 522 | metrics->horiBearingY = FT_PIX_CEIL ( metrics->horiBearingY ); |
| 523 | |
| 524 | metrics->width = right - metrics->horiBearingX; |
| 525 | metrics->height = metrics->horiBearingY - bottom; |
| 526 | } |
| 527 | |
| 528 | metrics->horiAdvance = FT_PIX_ROUND( metrics->horiAdvance ); |
| 529 | metrics->vertAdvance = FT_PIX_ROUND( metrics->vertAdvance ); |
| 530 | } |
| 531 | #endif /* GRID_FIT_METRICS */ |
| 532 | |
| 533 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 534 | /* documentation is in freetype.h */ |
| 535 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 536 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | 6b5c669 | 2002-09-05 15:10:54 +0000 | [diff] [blame] | 537 | FT_Load_Glyph( FT_Face face, |
| 538 | FT_UInt glyph_index, |
| 539 | FT_Int32 load_flags ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 540 | { |
| 541 | FT_Error error; |
| 542 | FT_Driver driver; |
| 543 | FT_GlyphSlot slot; |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 544 | FT_Library library; |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 545 | FT_Bool autohint = 0; |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 546 | FT_Module hinter; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 547 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 548 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 549 | if ( !face || !face->size || !face->glyph ) |
| 550 | return FT_Err_Invalid_Face_Handle; |
| 551 | |
Werner Lemberg | 913a365 | 2006-11-19 09:19:17 +0000 | [diff] [blame] | 552 | /* The validity test for `glyph_index' is performed by the */ |
| 553 | /* font drivers. */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 554 | |
| 555 | slot = face->glyph; |
| 556 | ft_glyphslot_clear( slot ); |
| 557 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 558 | driver = face->driver; |
| 559 | library = driver->root.library; |
| 560 | hinter = library->auto_hinter; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 561 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 562 | /* resolve load flags dependencies */ |
| 563 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 564 | if ( load_flags & FT_LOAD_NO_RECURSE ) |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 565 | load_flags |= FT_LOAD_NO_SCALE | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 566 | FT_LOAD_IGNORE_TRANSFORM; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 567 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 568 | if ( load_flags & FT_LOAD_NO_SCALE ) |
| 569 | { |
| 570 | load_flags |= FT_LOAD_NO_HINTING | |
| 571 | FT_LOAD_NO_BITMAP; |
| 572 | |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 573 | load_flags &= ~FT_LOAD_RENDER; |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 574 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 575 | |
Werner Lemberg | 046bf8b | 2006-10-03 08:43:42 +0000 | [diff] [blame] | 576 | /* |
| 577 | * Determine whether we need to auto-hint or not. |
| 578 | * The general rules are: |
| 579 | * |
| 580 | * - Do only auto-hinting if we have a hinter module, |
| 581 | * a scalable font format dealing with outlines, |
| 582 | * and no transforms except simple slants. |
| 583 | * |
| 584 | * - Then, autohint if FT_LOAD_FORCE_AUTOHINT is set |
| 585 | * or if we don't have a native font hinter. |
| 586 | * |
| 587 | * - Otherwise, auto-hint for LIGHT hinting mode. |
| 588 | * |
| 589 | * - Exception: The font requires the unpatented |
| 590 | * bytecode interpreter to load properly. |
| 591 | */ |
David Turner | e6bb953 | 2005-12-23 13:32:06 +0000 | [diff] [blame] | 592 | |
David Turner | df430e1 | 2006-10-01 00:09:35 +0000 | [diff] [blame] | 593 | autohint = 0; |
Werner Lemberg | 046bf8b | 2006-10-03 08:43:42 +0000 | [diff] [blame] | 594 | if ( hinter && |
| 595 | ( load_flags & FT_LOAD_NO_HINTING ) == 0 && |
| 596 | ( load_flags & FT_LOAD_NO_AUTOHINT ) == 0 && |
| 597 | FT_DRIVER_IS_SCALABLE( driver ) && |
| 598 | FT_DRIVER_USES_OUTLINES( driver ) && |
| 599 | face->internal->transform_matrix.yy > 0 && |
| 600 | face->internal->transform_matrix.yx == 0 ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 601 | { |
Werner Lemberg | 046bf8b | 2006-10-03 08:43:42 +0000 | [diff] [blame] | 602 | if ( ( load_flags & FT_LOAD_FORCE_AUTOHINT ) != 0 || |
| 603 | !FT_DRIVER_HAS_HINTER( driver ) ) |
David Turner | df430e1 | 2006-10-01 00:09:35 +0000 | [diff] [blame] | 604 | autohint = 1; |
David Turner | df430e1 | 2006-10-01 00:09:35 +0000 | [diff] [blame] | 605 | else |
| 606 | { |
Werner Lemberg | 046bf8b | 2006-10-03 08:43:42 +0000 | [diff] [blame] | 607 | FT_Render_Mode mode = FT_LOAD_TARGET_MODE( load_flags ); |
| 608 | |
David Turner | df430e1 | 2006-10-01 00:09:35 +0000 | [diff] [blame] | 609 | |
| 610 | if ( mode == FT_RENDER_MODE_LIGHT || |
| 611 | face->internal->ignore_unpatented_hinter ) |
David Turner | df430e1 | 2006-10-01 00:09:35 +0000 | [diff] [blame] | 612 | autohint = 1; |
David Turner | df430e1 | 2006-10-01 00:09:35 +0000 | [diff] [blame] | 613 | } |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 614 | } |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 615 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 616 | if ( autohint ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 617 | { |
David Turner | 9657ef0 | 2002-03-14 08:49:59 +0000 | [diff] [blame] | 618 | FT_AutoHinter_Service hinting; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 619 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 620 | |
Werner Lemberg | 0d53511 | 2001-12-19 22:26:12 +0000 | [diff] [blame] | 621 | /* try to load embedded bitmaps first if available */ |
| 622 | /* */ |
| 623 | /* XXX: This is really a temporary hack that should disappear */ |
| 624 | /* promptly with FreeType 2.1! */ |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 625 | /* */ |
Werner Lemberg | eacb930 | 2002-10-07 10:12:43 +0000 | [diff] [blame] | 626 | if ( FT_HAS_FIXED_SIZES( face ) && |
David Turner | 80171e0 | 2002-10-05 14:57:03 +0000 | [diff] [blame] | 627 | ( load_flags & FT_LOAD_NO_BITMAP ) == 0 ) |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 628 | { |
| 629 | error = driver->clazz->load_glyph( slot, face->size, |
| 630 | glyph_index, |
| 631 | load_flags | FT_LOAD_SBITS_ONLY ); |
| 632 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 633 | if ( !error && slot->format == FT_GLYPH_FORMAT_BITMAP ) |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 634 | goto Load_Ok; |
| 635 | } |
| 636 | |
| 637 | /* load auto-hinted outline */ |
David Turner | 9657ef0 | 2002-03-14 08:49:59 +0000 | [diff] [blame] | 638 | hinting = (FT_AutoHinter_Service)hinter->clazz->module_interface; |
David Turner | 76a5f62 | 2000-11-04 01:55:49 +0000 | [diff] [blame] | 639 | |
| 640 | error = hinting->load_glyph( (FT_AutoHinter)hinter, |
| 641 | slot, face->size, |
| 642 | glyph_index, load_flags ); |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 643 | } |
| 644 | else |
David Turner | 662b344 | 2002-01-03 16:56:59 +0000 | [diff] [blame] | 645 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 646 | error = driver->clazz->load_glyph( slot, |
| 647 | face->size, |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 648 | glyph_index, |
| 649 | load_flags ); |
David Turner | 662b344 | 2002-01-03 16:56:59 +0000 | [diff] [blame] | 650 | if ( error ) |
| 651 | goto Exit; |
| 652 | |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 653 | if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) |
| 654 | { |
| 655 | /* check that the loaded outline is correct */ |
| 656 | error = FT_Outline_Check( &slot->outline ); |
| 657 | if ( error ) |
| 658 | goto Exit; |
| 659 | |
| 660 | #ifdef GRID_FIT_METRICS |
| 661 | if ( !( load_flags & FT_LOAD_NO_HINTING ) ) |
| 662 | ft_glyphslot_grid_fit_metrics( slot, |
David Turner | da95af6 | 2006-03-20 13:32:33 +0000 | [diff] [blame] | 663 | FT_BOOL( load_flags & FT_LOAD_VERTICAL_LAYOUT ) ); |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 664 | #endif |
| 665 | } |
David Turner | 662b344 | 2002-01-03 16:56:59 +0000 | [diff] [blame] | 666 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 667 | |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 668 | Load_Ok: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 669 | /* compute the advance */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 670 | if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 671 | { |
| 672 | slot->advance.x = 0; |
| 673 | slot->advance.y = slot->metrics.vertAdvance; |
| 674 | } |
| 675 | else |
| 676 | { |
| 677 | slot->advance.x = slot->metrics.horiAdvance; |
| 678 | slot->advance.y = 0; |
| 679 | } |
| 680 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 681 | /* compute the linear advance in 16.16 pixels */ |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 682 | if ( ( load_flags & FT_LOAD_LINEAR_DESIGN ) == 0 && |
| 683 | ( face->face_flags & FT_FACE_FLAG_SCALABLE ) ) |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 684 | { |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 685 | FT_Size_Metrics* metrics = &face->size->metrics; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 686 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 687 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 688 | /* it's tricky! */ |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 689 | slot->linearHoriAdvance = FT_MulDiv( slot->linearHoriAdvance, |
Werner Lemberg | be67c4e | 2003-11-24 22:54:58 +0000 | [diff] [blame] | 690 | metrics->x_scale, 64 ); |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 691 | |
| 692 | slot->linearVertAdvance = FT_MulDiv( slot->linearVertAdvance, |
Werner Lemberg | be67c4e | 2003-11-24 22:54:58 +0000 | [diff] [blame] | 693 | metrics->y_scale, 64 ); |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 694 | } |
| 695 | |
| 696 | if ( ( load_flags & FT_LOAD_IGNORE_TRANSFORM ) == 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 697 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 698 | FT_Face_Internal internal = face->internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 699 | |
| 700 | |
Werner Lemberg | d1b7475 | 2000-08-24 16:29:15 +0000 | [diff] [blame] | 701 | /* now, transform the glyph image if needed */ |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 702 | if ( internal->transform_flags ) |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 703 | { |
| 704 | /* get renderer */ |
| 705 | FT_Renderer renderer = ft_lookup_glyph_renderer( slot ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 706 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 707 | |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 708 | if ( renderer ) |
Werner Lemberg | dc72aff | 2000-11-04 08:33:38 +0000 | [diff] [blame] | 709 | error = renderer->clazz->transform_glyph( |
| 710 | renderer, slot, |
| 711 | &internal->transform_matrix, |
| 712 | &internal->transform_delta ); |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 713 | /* transform advance */ |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 714 | FT_Vector_Transform( &slot->advance, &internal->transform_matrix ); |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 715 | } |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 716 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 717 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 718 | /* do we need to render the image now? */ |
| 719 | if ( !error && |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 720 | slot->format != FT_GLYPH_FORMAT_BITMAP && |
| 721 | slot->format != FT_GLYPH_FORMAT_COMPOSITE && |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 722 | load_flags & FT_LOAD_RENDER ) |
| 723 | { |
David Turner | 00d9f40 | 2002-09-08 21:29:11 +0000 | [diff] [blame] | 724 | FT_Render_Mode mode = FT_LOAD_TARGET_MODE( load_flags ); |
| 725 | |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 726 | |
David Turner | 00d9f40 | 2002-09-08 21:29:11 +0000 | [diff] [blame] | 727 | if ( mode == FT_RENDER_MODE_NORMAL && |
| 728 | (load_flags & FT_LOAD_MONOCHROME ) ) |
| 729 | mode = FT_RENDER_MODE_MONO; |
| 730 | |
| 731 | error = FT_Render_Glyph( slot, mode ); |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 732 | } |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 733 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 734 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 735 | return error; |
| 736 | } |
| 737 | |
| 738 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 739 | /* documentation is in freetype.h */ |
| 740 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 741 | FT_EXPORT_DEF( FT_Error ) |
| 742 | FT_Load_Char( FT_Face face, |
| 743 | FT_ULong char_code, |
David Turner | f467e6a | 2002-08-21 21:39:28 +0000 | [diff] [blame] | 744 | FT_Int32 load_flags ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 745 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 746 | FT_UInt glyph_index; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 747 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 748 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 749 | if ( !face ) |
| 750 | return FT_Err_Invalid_Face_Handle; |
| 751 | |
| 752 | glyph_index = (FT_UInt)char_code; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 753 | if ( face->charmap ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 754 | glyph_index = FT_Get_Char_Index( face, char_code ); |
| 755 | |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 756 | return FT_Load_Glyph( face, glyph_index, load_flags ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 757 | } |
| 758 | |
| 759 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 760 | /* destructor for sizes list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 761 | static void |
| 762 | destroy_size( FT_Memory memory, |
| 763 | FT_Size size, |
| 764 | FT_Driver driver ) |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 765 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 766 | /* finalize client-specific data */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 767 | if ( size->generic.finalizer ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 768 | size->generic.finalizer( size ); |
| 769 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 770 | /* finalize format-specific stuff */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 771 | if ( driver->clazz->done_size ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 772 | driver->clazz->done_size( size ); |
| 773 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 774 | FT_FREE( size->internal ); |
| 775 | FT_FREE( size ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 776 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 777 | |
| 778 | |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 779 | static void |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 780 | ft_cmap_done_internal( FT_CMap cmap ); |
| 781 | |
| 782 | |
| 783 | static void |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 784 | destroy_charmaps( FT_Face face, |
| 785 | FT_Memory memory ) |
| 786 | { |
| 787 | FT_Int n; |
| 788 | |
| 789 | |
Werner Lemberg | 3d507fe | 2007-06-03 16:54:55 +0000 | [diff] [blame] | 790 | if ( !face ) |
| 791 | return; |
| 792 | |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 793 | for ( n = 0; n < face->num_charmaps; n++ ) |
| 794 | { |
| 795 | FT_CMap cmap = FT_CMAP( face->charmaps[n] ); |
| 796 | |
| 797 | |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 798 | ft_cmap_done_internal( cmap ); |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 799 | |
| 800 | face->charmaps[n] = NULL; |
| 801 | } |
| 802 | |
| 803 | FT_FREE( face->charmaps ); |
| 804 | face->num_charmaps = 0; |
| 805 | } |
| 806 | |
| 807 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 808 | /* destructor for faces list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 809 | static void |
| 810 | destroy_face( FT_Memory memory, |
| 811 | FT_Face face, |
| 812 | FT_Driver driver ) |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 813 | { |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 814 | FT_Driver_Class clazz = driver->clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 815 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 816 | |
David Turner | c49f69c | 2000-07-20 03:44:50 +0000 | [diff] [blame] | 817 | /* discard auto-hinting data */ |
| 818 | if ( face->autohint.finalizer ) |
| 819 | face->autohint.finalizer( face->autohint.data ); |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 820 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 821 | /* Discard glyph slots for this face. */ |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 822 | /* Beware! FT_Done_GlyphSlot() changes the field `face->glyph' */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 823 | while ( face->glyph ) |
| 824 | FT_Done_GlyphSlot( face->glyph ); |
| 825 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 826 | /* discard all sizes for this face */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 827 | FT_List_Finalize( &face->sizes_list, |
Werner Lemberg | 7418415 | 2003-10-18 16:56:13 +0000 | [diff] [blame] | 828 | (FT_List_Destructor)destroy_size, |
| 829 | memory, |
| 830 | driver ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 831 | face->size = 0; |
| 832 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 833 | /* now discard client data */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 834 | if ( face->generic.finalizer ) |
| 835 | face->generic.finalizer( face ); |
| 836 | |
David Turner | 2ded2c1 | 2002-03-22 22:37:40 +0000 | [diff] [blame] | 837 | /* discard charmaps */ |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 838 | destroy_charmaps( face, memory ); |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 839 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 840 | /* finalize format-specific stuff */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 841 | if ( clazz->done_face ) |
| 842 | clazz->done_face( face ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 843 | |
| 844 | /* close the stream for this face if needed */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 845 | FT_Stream_Free( |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 846 | face->stream, |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 847 | ( face->face_flags & FT_FACE_FLAG_EXTERNAL_STREAM ) != 0 ); |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 848 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 849 | face->stream = 0; |
| 850 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 851 | /* get rid of it */ |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 852 | if ( face->internal ) |
| 853 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 854 | FT_FREE( face->internal ); |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 855 | } |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 856 | FT_FREE( face ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 857 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 858 | |
| 859 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 860 | static void |
| 861 | Destroy_Driver( FT_Driver driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 862 | { |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 863 | FT_List_Finalize( &driver->faces_list, |
| 864 | (FT_List_Destructor)destroy_face, |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 865 | driver->root.memory, |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 866 | driver ); |
| 867 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 868 | /* check whether we need to drop the driver's glyph loader */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 869 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 870 | FT_GlyphLoader_Done( driver->glyph_loader ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 871 | } |
| 872 | |
| 873 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 874 | /*************************************************************************/ |
| 875 | /* */ |
| 876 | /* <Function> */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 877 | /* find_unicode_charmap */ |
| 878 | /* */ |
| 879 | /* <Description> */ |
| 880 | /* This function finds a Unicode charmap, if there is one. */ |
| 881 | /* 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] | 882 | /* extensive one, i.e., one that supports UCS-4 against those which */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 883 | /* are limited to the BMP (said UCS-2 encoding.) */ |
| 884 | /* */ |
| 885 | /* This function is called from open_face() (just below), and also */ |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 886 | /* from FT_Select_Charmap( ..., FT_ENCODING_UNICODE ). */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 887 | /* */ |
| 888 | static FT_Error |
| 889 | find_unicode_charmap( FT_Face face ) |
| 890 | { |
| 891 | FT_CharMap* first; |
| 892 | FT_CharMap* cur; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 893 | |
| 894 | |
| 895 | /* caller should have already checked that `face' is valid */ |
Werner Lemberg | 7418415 | 2003-10-18 16:56:13 +0000 | [diff] [blame] | 896 | FT_ASSERT( face ); |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 897 | |
| 898 | first = face->charmaps; |
| 899 | |
| 900 | if ( !first ) |
| 901 | return FT_Err_Invalid_CharMap_Handle; |
| 902 | |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 903 | /* |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 904 | * The original TrueType specification(s) only specified charmap |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 905 | * formats that are capable of mapping 8 or 16 bit character codes to |
| 906 | * glyph indices. |
| 907 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 908 | * However, recent updates to the Apple and OpenType specifications |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 909 | * introduced new formats that are capable of mapping 32-bit character |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 910 | * 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] | 911 | * map non-BMP Asian ideographs as defined in Unicode. |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 912 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 913 | * For compatibility purposes, these fonts generally come with |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 914 | * *several* Unicode charmaps: |
| 915 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 916 | * - One of them in the "old" 16-bit format, that cannot access |
| 917 | * all glyphs in the font. |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 918 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 919 | * - Another one in the "new" 32-bit format, that can access all |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 920 | * the glyphs. |
| 921 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 922 | * This function has been written to always favor a 32-bit charmap |
| 923 | * when found. Otherwise, a 16-bit one is returned when found. |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 924 | */ |
| 925 | |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 926 | /* Since the `interesting' table, with IDs (3,10), is normally the */ |
Werner Lemberg | 1e259de | 2007-03-08 15:39:21 +0000 | [diff] [blame] | 927 | /* last one, we loop backwards. This loses with type1 fonts with */ |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 928 | /* non-BMP characters (<.0001%), this wins with .ttf with non-BMP */ |
| 929 | /* 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] | 930 | |
| 931 | cur = first + face->num_charmaps; /* points after the last one */ |
| 932 | |
| 933 | for ( ; --cur >= first; ) |
| 934 | { |
| 935 | if ( cur[0]->encoding == FT_ENCODING_UNICODE ) |
| 936 | { |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 937 | /* XXX If some new encodings to represent UCS-4 are added, */ |
| 938 | /* they should be added here. */ |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 939 | if ( ( cur[0]->platform_id == TT_PLATFORM_MICROSOFT && |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 940 | cur[0]->encoding_id == TT_MS_ID_UCS_4 ) || |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 941 | ( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE && |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 942 | cur[0]->encoding_id == TT_APPLE_ID_UNICODE_32 ) ) |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 943 | { |
| 944 | face->charmap = cur[0]; |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 945 | return FT_Err_Ok; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 946 | } |
| 947 | } |
| 948 | } |
| 949 | |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 950 | /* We do not have any UCS-4 charmap. */ |
| 951 | /* Do the loop again and search for UCS-2 charmaps. */ |
| 952 | cur = first + face->num_charmaps; |
| 953 | |
| 954 | for ( ; --cur >= first; ) |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 955 | { |
Werner Lemberg | 74597cc | 2007-10-01 07:08:56 +0000 | [diff] [blame] | 956 | if ( cur[0]->encoding == FT_ENCODING_UNICODE ) |
| 957 | { |
| 958 | face->charmap = cur[0]; |
| 959 | return FT_Err_Ok; |
| 960 | } |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 961 | } |
| 962 | |
David Turner | 6453a81 | 2003-01-08 09:28:34 +0000 | [diff] [blame] | 963 | return FT_Err_Invalid_CharMap_Handle; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 964 | } |
| 965 | |
| 966 | |
| 967 | /*************************************************************************/ |
| 968 | /* */ |
| 969 | /* <Function> */ |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 970 | /* find_variant_selector_charmap */ |
| 971 | /* */ |
| 972 | /* <Description> */ |
| 973 | /* This function finds the variant selector charmap, if there is one. */ |
| 974 | /* There can only be one (platform=0, specific=5, format=14). */ |
| 975 | /* */ |
| 976 | static FT_CharMap |
| 977 | find_variant_selector_charmap( FT_Face face ) |
| 978 | { |
| 979 | FT_CharMap* first; |
| 980 | FT_CharMap* end; |
| 981 | FT_CharMap* cur; |
| 982 | |
| 983 | |
| 984 | /* caller should have already checked that `face' is valid */ |
| 985 | FT_ASSERT( face ); |
| 986 | |
| 987 | first = face->charmaps; |
| 988 | |
| 989 | if ( !first ) |
| 990 | return NULL; |
| 991 | |
| 992 | end = first + face->num_charmaps; /* points after the last one */ |
| 993 | |
| 994 | for ( cur = first; cur < end; ++cur ) |
| 995 | { |
| 996 | if ( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE && |
| 997 | cur[0]->encoding_id == TT_APPLE_ID_VARIANT_SELECTOR && |
| 998 | FT_Get_CMap_Format( cur[0] ) == 14 ) |
| 999 | return cur[0]; |
| 1000 | } |
| 1001 | |
| 1002 | return NULL; |
| 1003 | } |
| 1004 | |
| 1005 | |
| 1006 | /*************************************************************************/ |
| 1007 | /* */ |
| 1008 | /* <Function> */ |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1009 | /* open_face */ |
| 1010 | /* */ |
| 1011 | /* <Description> */ |
| 1012 | /* This function does some work for FT_Open_Face(). */ |
| 1013 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1014 | static FT_Error |
| 1015 | open_face( FT_Driver driver, |
| 1016 | FT_Stream stream, |
| 1017 | FT_Long face_index, |
| 1018 | FT_Int num_params, |
| 1019 | FT_Parameter* params, |
Werner Lemberg | 6d79899 | 2003-07-01 07:28:55 +0000 | [diff] [blame] | 1020 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1021 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1022 | FT_Memory memory; |
Werner Lemberg | 77c34b8 | 2003-05-20 22:06:38 +0000 | [diff] [blame] | 1023 | FT_Driver_Class clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1024 | FT_Face face = 0; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1025 | FT_Error error, error2; |
David Turner | 6a681fa | 2006-01-27 12:11:22 +0000 | [diff] [blame] | 1026 | FT_Face_Internal internal = NULL; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1027 | |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 1028 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1029 | clazz = driver->clazz; |
| 1030 | memory = driver->root.memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1031 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1032 | /* allocate the face object and perform basic initialization */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1033 | if ( FT_ALLOC( face, clazz->face_object_size ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1034 | goto Fail; |
| 1035 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1036 | if ( FT_NEW( internal ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1037 | goto Fail; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1038 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1039 | face->internal = internal; |
| 1040 | |
| 1041 | face->driver = driver; |
| 1042 | face->memory = memory; |
| 1043 | face->stream = stream; |
Graham Asher | ce12182 | 2002-08-01 15:29:17 +0000 | [diff] [blame] | 1044 | |
Graham Asher | d53cf1d | 2002-07-18 15:04:29 +0000 | [diff] [blame] | 1045 | #ifdef FT_CONFIG_OPTION_INCREMENTAL |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 1046 | { |
| 1047 | int i; |
| 1048 | |
| 1049 | |
| 1050 | face->internal->incremental_interface = 0; |
| 1051 | for ( i = 0; i < num_params && !face->internal->incremental_interface; |
| 1052 | i++ ) |
| 1053 | if ( params[i].tag == FT_PARAM_TAG_INCREMENTAL ) |
Werner Lemberg | 1e1b6df | 2007-07-07 07:30:40 +0000 | [diff] [blame] | 1054 | face->internal->incremental_interface = |
| 1055 | (FT_Incremental_Interface)params[i].data; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1056 | } |
Graham Asher | d53cf1d | 2002-07-18 15:04:29 +0000 | [diff] [blame] | 1057 | #endif |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1058 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1059 | error = clazz->init_face( stream, |
| 1060 | face, |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 1061 | (FT_Int)face_index, |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1062 | num_params, |
| 1063 | params ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1064 | if ( error ) |
| 1065 | goto Fail; |
| 1066 | |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 1067 | /* select Unicode charmap by default */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1068 | error2 = find_unicode_charmap( face ); |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 1069 | |
Werner Lemberg | 6d79899 | 2003-07-01 07:28:55 +0000 | [diff] [blame] | 1070 | /* if no Unicode charmap can be found, FT_Err_Invalid_CharMap_Handle */ |
| 1071 | /* is returned. */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1072 | |
Werner Lemberg | 6d79899 | 2003-07-01 07:28:55 +0000 | [diff] [blame] | 1073 | /* no error should happen, but we want to play safe */ |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 1074 | if ( error2 && error2 != FT_Err_Invalid_CharMap_Handle ) |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 1075 | { |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1076 | error = error2; |
| 1077 | goto Fail; |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 1078 | } |
| 1079 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1080 | *aface = face; |
| 1081 | |
| 1082 | Fail: |
| 1083 | if ( error ) |
| 1084 | { |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 1085 | destroy_charmaps( face, memory ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1086 | clazz->done_face( face ); |
Werner Lemberg | 77c34b8 | 2003-05-20 22:06:38 +0000 | [diff] [blame] | 1087 | FT_FREE( internal ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1088 | FT_FREE( face ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1089 | *aface = 0; |
| 1090 | } |
| 1091 | |
| 1092 | return error; |
| 1093 | } |
| 1094 | |
| 1095 | |
Werner Lemberg | 05c21b8 | 2000-07-29 20:38:19 +0000 | [diff] [blame] | 1096 | /* there's a Mac-specific extended implementation of FT_New_Face() */ |
Werner Lemberg | 4d631e4 | 2002-05-27 13:02:37 +0000 | [diff] [blame] | 1097 | /* in src/base/ftmac.c */ |
Werner Lemberg | 05c21b8 | 2000-07-29 20:38:19 +0000 | [diff] [blame] | 1098 | |
Werner Lemberg | 9ca7a15 | 2002-04-30 14:26:49 +0000 | [diff] [blame] | 1099 | #ifndef FT_MACINTOSH |
Just van Rossum | 9e830c5 | 2000-07-28 01:12:34 +0000 | [diff] [blame] | 1100 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1101 | /* documentation is in freetype.h */ |
| 1102 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1103 | FT_EXPORT_DEF( FT_Error ) |
| 1104 | FT_New_Face( FT_Library library, |
| 1105 | const char* pathname, |
| 1106 | FT_Long face_index, |
| 1107 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1108 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1109 | FT_Open_Args args; |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1110 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1111 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1112 | /* test for valid `library' and `aface' delayed to FT_Open_Face() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1113 | if ( !pathname ) |
| 1114 | return FT_Err_Invalid_Argument; |
| 1115 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1116 | args.flags = FT_OPEN_PATHNAME; |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1117 | args.pathname = (char*)pathname; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1118 | |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1119 | return FT_Open_Face( library, &args, face_index, aface ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1120 | } |
| 1121 | |
Werner Lemberg | 9ca7a15 | 2002-04-30 14:26:49 +0000 | [diff] [blame] | 1122 | #endif /* !FT_MACINTOSH */ |
Just van Rossum | 9e830c5 | 2000-07-28 01:12:34 +0000 | [diff] [blame] | 1123 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1124 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1125 | /* documentation is in freetype.h */ |
| 1126 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1127 | FT_EXPORT_DEF( FT_Error ) |
| 1128 | FT_New_Memory_Face( FT_Library library, |
| 1129 | const FT_Byte* file_base, |
| 1130 | FT_Long file_size, |
| 1131 | FT_Long face_index, |
| 1132 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1133 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1134 | FT_Open_Args args; |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1135 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1136 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1137 | /* test for valid `library' and `face' delayed to FT_Open_Face() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1138 | if ( !file_base ) |
| 1139 | return FT_Err_Invalid_Argument; |
| 1140 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1141 | args.flags = FT_OPEN_MEMORY; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1142 | args.memory_base = file_base; |
| 1143 | args.memory_size = file_size; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1144 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1145 | return FT_Open_Face( library, &args, face_index, aface ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1146 | } |
| 1147 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1148 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1149 | #if !defined( FT_MACINTOSH ) && defined( FT_CONFIG_OPTION_MAC_FONTS ) |
| 1150 | |
| 1151 | /* The behavior here is very similar to that in base/ftmac.c, but it */ |
| 1152 | /* is designed to work on non-mac systems, so no mac specific calls. */ |
| 1153 | /* */ |
| 1154 | /* We look at the file and determine if it is a mac dfont file or a mac */ |
| 1155 | /* resource file, or a macbinary file containing a mac resource file. */ |
| 1156 | /* */ |
| 1157 | /* Unlike ftmac I'm not going to look at a `FOND'. I don't really see */ |
| 1158 | /* the point, especially since there may be multiple `FOND' resources. */ |
| 1159 | /* Instead I'll just look for `sfnt' and `POST' resources, ordered as */ |
| 1160 | /* they occur in the file. */ |
| 1161 | /* */ |
| 1162 | /* Note that multiple `POST' resources do not mean multiple postscript */ |
| 1163 | /* fonts; they all get jammed together to make what is essentially a */ |
| 1164 | /* pfb file. */ |
| 1165 | /* */ |
| 1166 | /* We aren't interested in `NFNT' or `FONT' bitmap resources. */ |
| 1167 | /* */ |
| 1168 | /* As soon as we get an `sfnt' load it into memory and pass it off to */ |
| 1169 | /* FT_Open_Face. */ |
| 1170 | /* */ |
| 1171 | /* If we have a (set of) `POST' resources, massage them into a (memory) */ |
| 1172 | /* pfb file and pass that to FT_Open_Face. (As with ftmac.c I'm not */ |
| 1173 | /* going to try to save the kerning info. After all that lives in the */ |
| 1174 | /* `FOND' which isn't in the file containing the `POST' resources so */ |
| 1175 | /* we don't really have access to it. */ |
| 1176 | |
| 1177 | |
| 1178 | /* Finalizer for a memory stream; gets called by FT_Done_Face(). |
| 1179 | It frees the memory it uses. */ |
| 1180 | /* from ftmac.c */ |
| 1181 | static void |
| 1182 | memory_stream_close( FT_Stream stream ) |
| 1183 | { |
| 1184 | FT_Memory memory = stream->memory; |
| 1185 | |
| 1186 | |
| 1187 | FT_FREE( stream->base ); |
| 1188 | |
| 1189 | stream->size = 0; |
| 1190 | stream->base = 0; |
| 1191 | stream->close = 0; |
| 1192 | } |
| 1193 | |
| 1194 | |
| 1195 | /* Create a new memory stream from a buffer and a size. */ |
| 1196 | /* from ftmac.c */ |
| 1197 | static FT_Error |
| 1198 | new_memory_stream( FT_Library library, |
| 1199 | FT_Byte* base, |
| 1200 | FT_ULong size, |
| 1201 | FT_Stream_CloseFunc close, |
| 1202 | FT_Stream *astream ) |
| 1203 | { |
| 1204 | FT_Error error; |
| 1205 | FT_Memory memory; |
| 1206 | FT_Stream stream; |
| 1207 | |
| 1208 | |
| 1209 | if ( !library ) |
| 1210 | return FT_Err_Invalid_Library_Handle; |
| 1211 | |
| 1212 | if ( !base ) |
| 1213 | return FT_Err_Invalid_Argument; |
| 1214 | |
| 1215 | *astream = 0; |
| 1216 | memory = library->memory; |
| 1217 | if ( FT_NEW( stream ) ) |
| 1218 | goto Exit; |
| 1219 | |
| 1220 | FT_Stream_OpenMemory( stream, base, size ); |
| 1221 | |
| 1222 | stream->close = close; |
| 1223 | |
| 1224 | *astream = stream; |
| 1225 | |
| 1226 | Exit: |
| 1227 | return error; |
| 1228 | } |
| 1229 | |
| 1230 | |
| 1231 | /* Create a new FT_Face given a buffer and a driver name. */ |
| 1232 | /* from ftmac.c */ |
| 1233 | static FT_Error |
| 1234 | open_face_from_buffer( FT_Library library, |
| 1235 | FT_Byte* base, |
| 1236 | FT_ULong size, |
| 1237 | FT_Long face_index, |
| 1238 | const char* driver_name, |
| 1239 | FT_Face *aface ) |
| 1240 | { |
| 1241 | FT_Open_Args args; |
| 1242 | FT_Error error; |
Werner Lemberg | 607dec7 | 2007-05-15 06:49:37 +0000 | [diff] [blame] | 1243 | FT_Stream stream = NULL; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1244 | FT_Memory memory = library->memory; |
| 1245 | |
| 1246 | |
| 1247 | error = new_memory_stream( library, |
| 1248 | base, |
| 1249 | size, |
| 1250 | memory_stream_close, |
| 1251 | &stream ); |
| 1252 | if ( error ) |
| 1253 | { |
| 1254 | FT_FREE( base ); |
| 1255 | return error; |
| 1256 | } |
| 1257 | |
| 1258 | args.flags = FT_OPEN_STREAM; |
| 1259 | args.stream = stream; |
| 1260 | if ( driver_name ) |
| 1261 | { |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 1262 | args.flags = args.flags | FT_OPEN_DRIVER; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1263 | args.driver = FT_Get_Module( library, driver_name ); |
| 1264 | } |
| 1265 | |
| 1266 | error = FT_Open_Face( library, &args, face_index, aface ); |
| 1267 | |
| 1268 | if ( error == FT_Err_Ok ) |
| 1269 | (*aface)->face_flags &= ~FT_FACE_FLAG_EXTERNAL_STREAM; |
| 1270 | else |
| 1271 | { |
| 1272 | FT_Stream_Close( stream ); |
| 1273 | FT_FREE( stream ); |
| 1274 | } |
| 1275 | |
| 1276 | return error; |
| 1277 | } |
| 1278 | |
| 1279 | |
| 1280 | /* The resource header says we've got resource_cnt `POST' (type1) */ |
| 1281 | /* resources in this file. They all need to be coalesced into */ |
| 1282 | /* one lump which gets passed on to the type1 driver. */ |
| 1283 | /* Here can be only one PostScript font in a file so face_index */ |
| 1284 | /* must be 0 (or -1). */ |
| 1285 | /* */ |
| 1286 | static FT_Error |
| 1287 | Mac_Read_POST_Resource( FT_Library library, |
| 1288 | FT_Stream stream, |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1289 | FT_Long *offsets, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1290 | FT_Long resource_cnt, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1291 | FT_Long face_index, |
| 1292 | FT_Face *aface ) |
| 1293 | { |
| 1294 | FT_Error error = FT_Err_Cannot_Open_Resource; |
| 1295 | FT_Memory memory = library->memory; |
| 1296 | FT_Byte* pfb_data; |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 1297 | int i, type, flags; |
| 1298 | FT_Long len; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1299 | FT_Long pfb_len, pfb_pos, pfb_lenpos; |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 1300 | FT_Long rlen, temp; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1301 | |
| 1302 | |
| 1303 | if ( face_index == -1 ) |
| 1304 | face_index = 0; |
| 1305 | if ( face_index != 0 ) |
Werner Lemberg | 77c34b8 | 2003-05-20 22:06:38 +0000 | [diff] [blame] | 1306 | return error; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1307 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1308 | /* Find the length of all the POST resources, concatenated. Assume */ |
| 1309 | /* worst case (each resource in its own section). */ |
| 1310 | pfb_len = 0; |
| 1311 | for ( i = 0; i < resource_cnt; ++i ) |
| 1312 | { |
| 1313 | error = FT_Stream_Seek( stream, offsets[i] ); |
| 1314 | if ( error ) |
| 1315 | goto Exit; |
| 1316 | if ( FT_READ_LONG( temp ) ) |
| 1317 | goto Exit; |
| 1318 | pfb_len += temp + 6; |
| 1319 | } |
| 1320 | |
| 1321 | if ( FT_ALLOC( pfb_data, (FT_Long)pfb_len + 2 ) ) |
| 1322 | goto Exit; |
| 1323 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 1324 | pfb_data[0] = 0x80; |
| 1325 | pfb_data[1] = 1; /* Ascii section */ |
| 1326 | pfb_data[2] = 0; /* 4-byte length, fill in later */ |
| 1327 | pfb_data[3] = 0; |
| 1328 | pfb_data[4] = 0; |
| 1329 | pfb_data[5] = 0; |
Suzuki, Toshiya (鈴木俊哉) | a229540 | 2006-04-30 04:46:17 +0000 | [diff] [blame] | 1330 | pfb_pos = 6; |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 1331 | pfb_lenpos = 2; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1332 | |
| 1333 | len = 0; |
| 1334 | type = 1; |
| 1335 | for ( i = 0; i < resource_cnt; ++i ) |
| 1336 | { |
| 1337 | error = FT_Stream_Seek( stream, offsets[i] ); |
| 1338 | if ( error ) |
| 1339 | goto Exit2; |
| 1340 | if ( FT_READ_LONG( rlen ) ) |
| 1341 | goto Exit; |
| 1342 | if ( FT_READ_USHORT( flags ) ) |
| 1343 | goto Exit; |
| 1344 | rlen -= 2; /* the flags are part of the resource */ |
| 1345 | if ( ( flags >> 8 ) == type ) |
| 1346 | len += rlen; |
| 1347 | else |
| 1348 | { |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 1349 | pfb_data[pfb_lenpos ] = (FT_Byte)( len ); |
| 1350 | pfb_data[pfb_lenpos + 1] = (FT_Byte)( len >> 8 ); |
| 1351 | pfb_data[pfb_lenpos + 2] = (FT_Byte)( len >> 16 ); |
| 1352 | pfb_data[pfb_lenpos + 3] = (FT_Byte)( len >> 24 ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1353 | |
| 1354 | if ( ( flags >> 8 ) == 5 ) /* End of font mark */ |
| 1355 | break; |
| 1356 | |
| 1357 | pfb_data[pfb_pos++] = 0x80; |
| 1358 | |
| 1359 | type = flags >> 8; |
| 1360 | len = rlen; |
| 1361 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 1362 | pfb_data[pfb_pos++] = (FT_Byte)type; |
Suzuki, Toshiya (鈴木俊哉) | a229540 | 2006-04-30 04:46:17 +0000 | [diff] [blame] | 1363 | pfb_lenpos = pfb_pos; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1364 | pfb_data[pfb_pos++] = 0; /* 4-byte length, fill in later */ |
| 1365 | pfb_data[pfb_pos++] = 0; |
| 1366 | pfb_data[pfb_pos++] = 0; |
| 1367 | pfb_data[pfb_pos++] = 0; |
| 1368 | } |
| 1369 | |
| 1370 | error = FT_Stream_Read( stream, (FT_Byte *)pfb_data + pfb_pos, rlen ); |
| 1371 | pfb_pos += rlen; |
| 1372 | } |
| 1373 | |
| 1374 | pfb_data[pfb_pos++] = 0x80; |
| 1375 | pfb_data[pfb_pos++] = 3; |
| 1376 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 1377 | pfb_data[pfb_lenpos ] = (FT_Byte)( len ); |
| 1378 | pfb_data[pfb_lenpos + 1] = (FT_Byte)( len >> 8 ); |
| 1379 | pfb_data[pfb_lenpos + 2] = (FT_Byte)( len >> 16 ); |
| 1380 | pfb_data[pfb_lenpos + 3] = (FT_Byte)( len >> 24 ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1381 | |
| 1382 | return open_face_from_buffer( library, |
| 1383 | pfb_data, |
| 1384 | pfb_pos, |
| 1385 | face_index, |
| 1386 | "type1", |
| 1387 | aface ); |
| 1388 | |
| 1389 | Exit2: |
| 1390 | FT_FREE( pfb_data ); |
| 1391 | |
| 1392 | Exit: |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1393 | return error; |
| 1394 | } |
| 1395 | |
| 1396 | |
| 1397 | /* The resource header says we've got resource_cnt `sfnt' */ |
| 1398 | /* (TrueType/OpenType) resources in this file. Look through */ |
| 1399 | /* them for the one indicated by face_index, load it into mem, */ |
| 1400 | /* pass it on the the truetype driver and return it. */ |
| 1401 | /* */ |
| 1402 | static FT_Error |
| 1403 | Mac_Read_sfnt_Resource( FT_Library library, |
| 1404 | FT_Stream stream, |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1405 | FT_Long *offsets, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1406 | FT_Long resource_cnt, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1407 | FT_Long face_index, |
| 1408 | FT_Face *aface ) |
| 1409 | { |
| 1410 | FT_Memory memory = library->memory; |
| 1411 | FT_Byte* sfnt_data; |
| 1412 | FT_Error error; |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1413 | FT_Long flag_offset; |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 1414 | FT_Long rlen; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1415 | int is_cff; |
Suzuki, Toshiya (鈴木俊哉) | 7a7d403 | 2006-12-15 14:47:42 +0000 | [diff] [blame] | 1416 | FT_Long face_index_in_resource = 0; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1417 | |
| 1418 | |
| 1419 | if ( face_index == -1 ) |
| 1420 | face_index = 0; |
| 1421 | if ( face_index >= resource_cnt ) |
| 1422 | return FT_Err_Cannot_Open_Resource; |
| 1423 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1424 | flag_offset = offsets[face_index]; |
| 1425 | error = FT_Stream_Seek( stream, flag_offset ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1426 | if ( error ) |
| 1427 | goto Exit; |
| 1428 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1429 | if ( FT_READ_LONG( rlen ) ) |
| 1430 | goto Exit; |
| 1431 | if ( rlen == -1 ) |
| 1432 | return FT_Err_Cannot_Open_Resource; |
| 1433 | |
| 1434 | if ( FT_ALLOC( sfnt_data, (FT_Long)rlen ) ) |
| 1435 | return error; |
| 1436 | error = FT_Stream_Read( stream, (FT_Byte *)sfnt_data, rlen ); |
| 1437 | if ( error ) |
| 1438 | goto Exit; |
| 1439 | |
| 1440 | is_cff = rlen > 4 && sfnt_data[0] == 'O' && |
| 1441 | sfnt_data[1] == 'T' && |
| 1442 | sfnt_data[2] == 'T' && |
| 1443 | sfnt_data[3] == 'O'; |
| 1444 | |
| 1445 | error = open_face_from_buffer( library, |
| 1446 | sfnt_data, |
| 1447 | rlen, |
Suzuki, Toshiya (鈴木俊哉) | 7a7d403 | 2006-12-15 14:47:42 +0000 | [diff] [blame] | 1448 | face_index_in_resource, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1449 | is_cff ? "cff" : "truetype", |
| 1450 | aface ); |
| 1451 | |
| 1452 | Exit: |
| 1453 | return error; |
| 1454 | } |
| 1455 | |
| 1456 | |
| 1457 | /* Check for a valid resource fork header, or a valid dfont */ |
| 1458 | /* header. In a resource fork the first 16 bytes are repeated */ |
| 1459 | /* at the location specified by bytes 4-7. In a dfont bytes */ |
| 1460 | /* 4-7 point to 16 bytes of zeroes instead. */ |
| 1461 | /* */ |
| 1462 | static FT_Error |
| 1463 | IsMacResource( FT_Library library, |
| 1464 | FT_Stream stream, |
| 1465 | FT_Long resource_offset, |
| 1466 | FT_Long face_index, |
| 1467 | FT_Face *aface ) |
| 1468 | { |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1469 | FT_Memory memory = library->memory; |
| 1470 | FT_Error error; |
| 1471 | FT_Long map_offset, rdara_pos; |
| 1472 | FT_Long *data_offsets; |
| 1473 | FT_Long count; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1474 | |
| 1475 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1476 | error = FT_Raccess_Get_HeaderInfo( library, stream, resource_offset, |
| 1477 | &map_offset, &rdara_pos ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1478 | if ( error ) |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1479 | return error; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1480 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1481 | error = FT_Raccess_Get_DataOffsets( library, stream, |
| 1482 | map_offset, rdara_pos, |
| 1483 | FT_MAKE_TAG( 'P', 'O', 'S', 'T' ), |
| 1484 | &data_offsets, &count ); |
| 1485 | if ( !error ) |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1486 | { |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1487 | error = Mac_Read_POST_Resource( library, stream, data_offsets, count, |
| 1488 | face_index, aface ); |
| 1489 | FT_FREE( data_offsets ); |
Werner Lemberg | 0fd08bd | 2006-12-16 02:57:46 +0000 | [diff] [blame] | 1490 | /* POST exists in an LWFN providing a single face */ |
Werner Lemberg | 17432b5 | 2007-01-12 09:28:44 +0000 | [diff] [blame] | 1491 | if ( !error ) |
David Turner | 7a3c564 | 2007-01-11 15:09:01 +0000 | [diff] [blame] | 1492 | (*aface)->num_faces = 1; |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1493 | return error; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1494 | } |
| 1495 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1496 | error = FT_Raccess_Get_DataOffsets( library, stream, |
| 1497 | map_offset, rdara_pos, |
| 1498 | FT_MAKE_TAG( 's', 'f', 'n', 't' ), |
| 1499 | &data_offsets, &count ); |
| 1500 | if ( !error ) |
| 1501 | { |
Werner Lemberg | 0fd08bd | 2006-12-16 02:57:46 +0000 | [diff] [blame] | 1502 | FT_Long face_index_internal = face_index % count; |
Suzuki, Toshiya (鈴木俊哉) | 7a7d403 | 2006-12-15 14:47:42 +0000 | [diff] [blame] | 1503 | |
| 1504 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1505 | 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] | 1506 | face_index_internal, aface ); |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1507 | FT_FREE( data_offsets ); |
Werner Lemberg | 17432b5 | 2007-01-12 09:28:44 +0000 | [diff] [blame] | 1508 | if ( !error ) |
David Turner | 7a3c564 | 2007-01-11 15:09:01 +0000 | [diff] [blame] | 1509 | (*aface)->num_faces = count; |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1510 | } |
| 1511 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1512 | return error; |
| 1513 | } |
| 1514 | |
| 1515 | |
| 1516 | /* Check for a valid macbinary header, and if we find one */ |
| 1517 | /* check that the (flattened) resource fork in it is valid. */ |
| 1518 | /* */ |
| 1519 | static FT_Error |
| 1520 | IsMacBinary( FT_Library library, |
| 1521 | FT_Stream stream, |
| 1522 | FT_Long face_index, |
| 1523 | FT_Face *aface ) |
| 1524 | { |
| 1525 | unsigned char header[128]; |
| 1526 | FT_Error error; |
| 1527 | FT_Long dlen, offset; |
| 1528 | |
| 1529 | |
Suzuki, Toshiya (鈴木俊哉) | 86c0f90 | 2007-11-20 14:00:17 +0000 | [diff] [blame] | 1530 | if ( NULL == stream ) |
| 1531 | return FT_Err_Invalid_Stream_Operation; |
| 1532 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1533 | error = FT_Stream_Seek( stream, 0 ); |
| 1534 | if ( error ) |
| 1535 | goto Exit; |
| 1536 | |
| 1537 | error = FT_Stream_Read( stream, (FT_Byte*)header, 128 ); |
| 1538 | if ( error ) |
| 1539 | goto Exit; |
| 1540 | |
| 1541 | if ( header[ 0] != 0 || |
| 1542 | header[74] != 0 || |
| 1543 | header[82] != 0 || |
| 1544 | header[ 1] == 0 || |
| 1545 | header[ 1] > 33 || |
| 1546 | header[63] != 0 || |
| 1547 | header[2 + header[1]] != 0 ) |
| 1548 | return FT_Err_Unknown_File_Format; |
| 1549 | |
| 1550 | dlen = ( header[0x53] << 24 ) | |
| 1551 | ( header[0x54] << 16 ) | |
| 1552 | ( header[0x55] << 8 ) | |
| 1553 | header[0x56]; |
| 1554 | #if 0 |
| 1555 | rlen = ( header[0x57] << 24 ) | |
| 1556 | ( header[0x58] << 16 ) | |
| 1557 | ( header[0x59] << 8 ) | |
| 1558 | header[0x5a]; |
| 1559 | #endif /* 0 */ |
| 1560 | offset = 128 + ( ( dlen + 127 ) & ~127 ); |
| 1561 | |
| 1562 | return IsMacResource( library, stream, offset, face_index, aface ); |
| 1563 | |
| 1564 | Exit: |
| 1565 | return error; |
| 1566 | } |
| 1567 | |
| 1568 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1569 | static FT_Error |
| 1570 | load_face_in_embedded_rfork( FT_Library library, |
| 1571 | FT_Stream stream, |
| 1572 | FT_Long face_index, |
| 1573 | FT_Face *aface, |
| 1574 | const FT_Open_Args *args ) |
| 1575 | { |
| 1576 | |
| 1577 | #undef FT_COMPONENT |
| 1578 | #define FT_COMPONENT trace_raccess |
| 1579 | |
| 1580 | FT_Memory memory = library->memory; |
| 1581 | FT_Error error = FT_Err_Unknown_File_Format; |
| 1582 | int i; |
| 1583 | |
| 1584 | char * file_names[FT_RACCESS_N_RULES]; |
| 1585 | FT_Long offsets[FT_RACCESS_N_RULES]; |
| 1586 | FT_Error errors[FT_RACCESS_N_RULES]; |
| 1587 | |
| 1588 | FT_Open_Args args2; |
| 1589 | FT_Stream stream2; |
| 1590 | |
| 1591 | |
| 1592 | FT_Raccess_Guess( library, stream, |
| 1593 | args->pathname, file_names, offsets, errors ); |
| 1594 | |
| 1595 | for ( i = 0; i < FT_RACCESS_N_RULES; i++ ) |
| 1596 | { |
| 1597 | if ( errors[i] ) |
| 1598 | { |
| 1599 | FT_TRACE3(( "Error[%d] has occurred in rule %d\n", errors[i], i )); |
| 1600 | continue; |
| 1601 | } |
| 1602 | |
| 1603 | args2.flags = FT_OPEN_PATHNAME; |
| 1604 | args2.pathname = file_names[i] ? file_names[i] : args->pathname; |
| 1605 | |
| 1606 | FT_TRACE3(( "Try rule %d: %s (offset=%d) ...", |
| 1607 | i, args2.pathname, offsets[i] )); |
| 1608 | |
| 1609 | error = FT_Stream_New( library, &args2, &stream2 ); |
| 1610 | if ( error ) |
| 1611 | { |
| 1612 | FT_TRACE3(( "failed\n" )); |
| 1613 | continue; |
| 1614 | } |
| 1615 | |
| 1616 | error = IsMacResource( library, stream2, offsets[i], |
| 1617 | face_index, aface ); |
Suzuki, Toshiya (鈴木俊哉) | de0a96c | 2006-05-19 23:16:12 +0000 | [diff] [blame] | 1618 | FT_Stream_Free( stream2, 0 ); |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1619 | |
| 1620 | FT_TRACE3(( "%s\n", error ? "failed": "successful" )); |
| 1621 | |
| 1622 | if ( !error ) |
| 1623 | break; |
| 1624 | } |
| 1625 | |
| 1626 | for (i = 0; i < FT_RACCESS_N_RULES; i++) |
| 1627 | { |
| 1628 | if ( file_names[i] ) |
| 1629 | FT_FREE( file_names[i] ); |
| 1630 | } |
| 1631 | |
| 1632 | /* Caller (load_mac_face) requires FT_Err_Unknown_File_Format. */ |
| 1633 | if ( error ) |
| 1634 | error = FT_Err_Unknown_File_Format; |
| 1635 | |
| 1636 | return error; |
| 1637 | |
| 1638 | #undef FT_COMPONENT |
| 1639 | #define FT_COMPONENT trace_objs |
| 1640 | |
| 1641 | } |
| 1642 | |
| 1643 | |
| 1644 | /* Check for some macintosh formats. */ |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1645 | /* Is this a macbinary file? If so look at the resource fork. */ |
| 1646 | /* Is this a mac dfont file? */ |
| 1647 | /* Is this an old style resource fork? (in data) */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1648 | /* Else call load_face_in_embedded_rfork to try extra rules */ |
| 1649 | /* (defined in `ftrfork.c'). */ |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1650 | /* */ |
| 1651 | static FT_Error |
| 1652 | load_mac_face( FT_Library library, |
| 1653 | FT_Stream stream, |
| 1654 | FT_Long face_index, |
| 1655 | FT_Face *aface, |
| 1656 | const FT_Open_Args *args ) |
| 1657 | { |
| 1658 | FT_Error error; |
| 1659 | FT_UNUSED( args ); |
| 1660 | |
| 1661 | |
| 1662 | error = IsMacBinary( library, stream, face_index, aface ); |
| 1663 | if ( FT_ERROR_BASE( error ) == FT_Err_Unknown_File_Format ) |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1664 | { |
| 1665 | |
| 1666 | #undef FT_COMPONENT |
| 1667 | #define FT_COMPONENT trace_raccess |
| 1668 | |
| 1669 | FT_TRACE3(( "Try as dfont: %s ...", args->pathname )); |
| 1670 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1671 | error = IsMacResource( library, stream, 0, face_index, aface ); |
| 1672 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1673 | FT_TRACE3(( "%s\n", error ? "failed" : "successful" )); |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 1674 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1675 | #undef FT_COMPONENT |
| 1676 | #define FT_COMPONENT trace_objs |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1677 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1678 | } |
| 1679 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1680 | if ( ( FT_ERROR_BASE( error ) == FT_Err_Unknown_File_Format || |
| 1681 | FT_ERROR_BASE( error ) == FT_Err_Invalid_Stream_Operation ) && |
| 1682 | ( args->flags & FT_OPEN_PATHNAME ) ) |
| 1683 | error = load_face_in_embedded_rfork( library, stream, |
| 1684 | face_index, aface, args ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1685 | return error; |
| 1686 | } |
| 1687 | |
| 1688 | #endif /* !FT_MACINTOSH && FT_CONFIG_OPTION_MAC_FONTS */ |
| 1689 | |
| 1690 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1691 | /* documentation is in freetype.h */ |
| 1692 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1693 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | c4c373c | 2002-10-07 09:15:20 +0000 | [diff] [blame] | 1694 | FT_Open_Face( FT_Library library, |
| 1695 | const FT_Open_Args* args, |
| 1696 | FT_Long face_index, |
| 1697 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1698 | { |
| 1699 | FT_Error error; |
| 1700 | FT_Driver driver; |
| 1701 | FT_Memory memory; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1702 | FT_Stream stream; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1703 | FT_Face face = 0; |
| 1704 | FT_ListNode node = 0; |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1705 | FT_Bool external_stream; |
Werner Lemberg | c32e83f | 2008-04-01 06:07:37 +0000 | [diff] [blame^] | 1706 | FT_Module* cur; |
| 1707 | FT_Module* limit; |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1708 | |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 1709 | |
Werner Lemberg | f9b0375 | 2000-09-11 22:50:13 +0000 | [diff] [blame] | 1710 | /* test for valid `library' delayed to */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1711 | /* FT_Stream_New() */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1712 | |
Werner Lemberg | ce235ea | 2005-05-17 20:35:23 +0000 | [diff] [blame] | 1713 | if ( ( !aface && face_index >= 0 ) || !args ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1714 | return FT_Err_Invalid_Argument; |
| 1715 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1716 | external_stream = FT_BOOL( ( args->flags & FT_OPEN_STREAM ) && |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 1717 | args->stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1718 | |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1719 | /* create input stream */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1720 | error = FT_Stream_New( library, args, &stream ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1721 | if ( error ) |
Suzuki, Toshiya (鈴木俊哉) | 86c0f90 | 2007-11-20 14:00:17 +0000 | [diff] [blame] | 1722 | goto Fail3; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1723 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1724 | memory = library->memory; |
| 1725 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1726 | /* If the font driver is specified in the `args' structure, use */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1727 | /* it. Otherwise, we scan the list of registered drivers. */ |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1728 | if ( ( args->flags & FT_OPEN_DRIVER ) && args->driver ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1729 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1730 | driver = FT_DRIVER( args->driver ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1731 | |
| 1732 | /* not all modules are drivers, so check... */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1733 | if ( FT_MODULE_IS_DRIVER( driver ) ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1734 | { |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 1735 | FT_Int num_params = 0; |
| 1736 | FT_Parameter* params = 0; |
| 1737 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1738 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1739 | if ( args->flags & FT_OPEN_PARAMS ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1740 | { |
| 1741 | num_params = args->num_params; |
| 1742 | params = args->params; |
| 1743 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1744 | |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1745 | error = open_face( driver, stream, face_index, |
| 1746 | num_params, params, &face ); |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1747 | if ( !error ) |
| 1748 | goto Success; |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1749 | } |
| 1750 | else |
| 1751 | error = FT_Err_Invalid_Handle; |
| 1752 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1753 | FT_Stream_Free( stream, external_stream ); |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1754 | goto Fail; |
| 1755 | } |
Just van Rossum | 1e5754f | 2000-03-02 10:52:57 +0000 | [diff] [blame] | 1756 | else |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1757 | { |
| 1758 | /* check each font driver for an appropriate format */ |
Werner Lemberg | c32e83f | 2008-04-01 06:07:37 +0000 | [diff] [blame^] | 1759 | cur = library->modules; |
| 1760 | limit = cur + library->num_modules; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1761 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1762 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1763 | for ( ; cur < limit; cur++ ) |
| 1764 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1765 | /* not all modules are font drivers, so check... */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1766 | if ( FT_MODULE_IS_DRIVER( cur[0] ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1767 | { |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1768 | FT_Int num_params = 0; |
| 1769 | FT_Parameter* params = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1770 | |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 1771 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1772 | driver = FT_DRIVER( cur[0] ); |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1773 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1774 | if ( args->flags & FT_OPEN_PARAMS ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1775 | { |
| 1776 | num_params = args->num_params; |
| 1777 | params = args->params; |
| 1778 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1779 | |
Graham Asher | d53cf1d | 2002-07-18 15:04:29 +0000 | [diff] [blame] | 1780 | error = open_face( driver, stream, face_index, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1781 | num_params, params, &face ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1782 | if ( !error ) |
| 1783 | goto Success; |
| 1784 | |
Werner Lemberg | 7986070 | 2001-06-08 21:17:29 +0000 | [diff] [blame] | 1785 | if ( FT_ERROR_BASE( error ) != FT_Err_Unknown_File_Format ) |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1786 | goto Fail3; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1787 | } |
| 1788 | } |
| 1789 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1790 | Fail3: |
| 1791 | /* If we are on the mac, and we get an FT_Err_Invalid_Stream_Operation */ |
| 1792 | /* it may be because we have an empty data fork, so we need to check */ |
| 1793 | /* the resource fork. */ |
Suzuki, Toshiya (鈴木俊哉) | 86c0f90 | 2007-11-20 14:00:17 +0000 | [diff] [blame] | 1794 | if ( FT_ERROR_BASE( error ) != FT_Err_Cannot_Open_Stream && |
| 1795 | FT_ERROR_BASE( error ) != FT_Err_Unknown_File_Format && |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1796 | FT_ERROR_BASE( error ) != FT_Err_Invalid_Stream_Operation ) |
| 1797 | goto Fail2; |
| 1798 | |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 1799 | #if !defined( FT_MACINTOSH ) && defined( FT_CONFIG_OPTION_MAC_FONTS ) |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1800 | error = load_mac_face( library, stream, face_index, aface, args ); |
| 1801 | if ( !error ) |
| 1802 | { |
| 1803 | /* We don't want to go to Success here. We've already done that. */ |
| 1804 | /* On the other hand, if we succeeded we still need to close this */ |
| 1805 | /* stream (we opened a different stream which extracted the */ |
| 1806 | /* interesting information out of this stream here. That stream */ |
| 1807 | /* will still be open and the face will point to it). */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1808 | FT_Stream_Free( stream, external_stream ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1809 | return error; |
| 1810 | } |
| 1811 | |
| 1812 | if ( FT_ERROR_BASE( error ) != FT_Err_Unknown_File_Format ) |
| 1813 | goto Fail2; |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 1814 | #endif /* !FT_MACINTOSH && FT_CONFIG_OPTION_MAC_FONTS */ |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1815 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1816 | /* no driver is able to handle this format */ |
| 1817 | error = FT_Err_Unknown_File_Format; |
David Turner | ebe85f5 | 2001-05-11 14:25:57 +0000 | [diff] [blame] | 1818 | |
| 1819 | Fail2: |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1820 | FT_Stream_Free( stream, external_stream ); |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1821 | goto Fail; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1822 | } |
| 1823 | |
| 1824 | Success: |
Werner Lemberg | f9b0375 | 2000-09-11 22:50:13 +0000 | [diff] [blame] | 1825 | FT_TRACE4(( "FT_Open_Face: New face object, adding to list\n" )); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1826 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1827 | /* set the FT_FACE_FLAG_EXTERNAL_STREAM bit for FT_Done_Face */ |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1828 | if ( external_stream ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1829 | face->face_flags |= FT_FACE_FLAG_EXTERNAL_STREAM; |
| 1830 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1831 | /* add the face object to its driver's list */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1832 | if ( FT_NEW( node ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1833 | goto Fail; |
| 1834 | |
| 1835 | node->data = face; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1836 | /* don't assume driver is the same as face->driver, so use */ |
| 1837 | /* face->driver instead. */ |
Just van Rossum | 7eef536 | 2000-03-05 16:07:58 +0000 | [diff] [blame] | 1838 | FT_List_Add( &face->driver->faces_list, node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1839 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1840 | /* now allocate a glyph slot object for the face */ |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 1841 | FT_TRACE4(( "FT_Open_Face: Creating glyph slot\n" )); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1842 | |
David Turner | 92f30c8 | 2005-10-17 21:17:20 +0000 | [diff] [blame] | 1843 | if ( face_index >= 0 ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1844 | { |
David Turner | 92f30c8 | 2005-10-17 21:17:20 +0000 | [diff] [blame] | 1845 | error = FT_New_GlyphSlot( face, NULL ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1846 | if ( error ) |
| 1847 | goto Fail; |
| 1848 | |
David Turner | 92f30c8 | 2005-10-17 21:17:20 +0000 | [diff] [blame] | 1849 | /* finally, allocate a size object for the face */ |
| 1850 | { |
| 1851 | FT_Size size; |
| 1852 | |
| 1853 | |
| 1854 | FT_TRACE4(( "FT_Open_Face: Creating size object\n" )); |
| 1855 | |
| 1856 | error = FT_New_Size( face, &size ); |
| 1857 | if ( error ) |
| 1858 | goto Fail; |
| 1859 | |
| 1860 | face->size = size; |
| 1861 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1862 | } |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1863 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 1864 | /* some checks */ |
| 1865 | |
| 1866 | if ( FT_IS_SCALABLE( face ) ) |
| 1867 | { |
| 1868 | if ( face->height < 0 ) |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 1869 | face->height = (FT_Short)-face->height; |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 1870 | |
| 1871 | if ( !FT_HAS_VERTICAL( face ) ) |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 1872 | face->max_advance_height = (FT_Short)face->height; |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 1873 | } |
| 1874 | |
| 1875 | if ( FT_HAS_FIXED_SIZES( face ) ) |
| 1876 | { |
Werner Lemberg | 1723dcc | 2006-01-15 07:30:32 +0000 | [diff] [blame] | 1877 | FT_Int i; |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 1878 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 1879 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 1880 | for ( i = 0; i < face->num_fixed_sizes; i++ ) |
| 1881 | { |
| 1882 | FT_Bitmap_Size* bsize = face->available_sizes + i; |
| 1883 | |
| 1884 | |
| 1885 | if ( bsize->height < 0 ) |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 1886 | bsize->height = (FT_Short)-bsize->height; |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 1887 | if ( bsize->x_ppem < 0 ) |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 1888 | bsize->x_ppem = (FT_Short)-bsize->x_ppem; |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 1889 | if ( bsize->y_ppem < 0 ) |
| 1890 | bsize->y_ppem = -bsize->y_ppem; |
| 1891 | } |
| 1892 | } |
| 1893 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1894 | /* initialize internal face data */ |
| 1895 | { |
| 1896 | FT_Face_Internal internal = face->internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1897 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1898 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1899 | internal->transform_matrix.xx = 0x10000L; |
| 1900 | internal->transform_matrix.xy = 0; |
| 1901 | internal->transform_matrix.yx = 0; |
| 1902 | internal->transform_matrix.yy = 0x10000L; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1903 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1904 | internal->transform_delta.x = 0; |
| 1905 | internal->transform_delta.y = 0; |
| 1906 | } |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1907 | |
Werner Lemberg | ce235ea | 2005-05-17 20:35:23 +0000 | [diff] [blame] | 1908 | if ( aface ) |
| 1909 | *aface = face; |
Werner Lemberg | b2d0253 | 2005-11-04 06:58:49 +0000 | [diff] [blame] | 1910 | else |
| 1911 | FT_Done_Face( face ); |
| 1912 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1913 | goto Exit; |
| 1914 | |
| 1915 | Fail: |
| 1916 | FT_Done_Face( face ); |
| 1917 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1918 | Exit: |
| 1919 | FT_TRACE4(( "FT_Open_Face: Return %d\n", error )); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1920 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1921 | return error; |
| 1922 | } |
| 1923 | |
| 1924 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1925 | /* documentation is in freetype.h */ |
| 1926 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1927 | FT_EXPORT_DEF( FT_Error ) |
| 1928 | FT_Attach_File( FT_Face face, |
| 1929 | const char* filepathname ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1930 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1931 | FT_Open_Args open; |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1932 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1933 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1934 | /* test for valid `face' delayed to FT_Attach_Stream() */ |
| 1935 | |
| 1936 | if ( !filepathname ) |
| 1937 | return FT_Err_Invalid_Argument; |
| 1938 | |
Werner Lemberg | b8fdcd6 | 2004-08-03 03:28:11 +0000 | [diff] [blame] | 1939 | open.stream = NULL; |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1940 | open.flags = FT_OPEN_PATHNAME; |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1941 | open.pathname = (char*)filepathname; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1942 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1943 | return FT_Attach_Stream( face, &open ); |
| 1944 | } |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1945 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1946 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1947 | /* documentation is in freetype.h */ |
| 1948 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1949 | FT_EXPORT_DEF( FT_Error ) |
| 1950 | FT_Attach_Stream( FT_Face face, |
| 1951 | FT_Open_Args* parameters ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1952 | { |
| 1953 | FT_Stream stream; |
| 1954 | FT_Error error; |
| 1955 | FT_Driver driver; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1956 | |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 1957 | FT_Driver_Class clazz; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1958 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1959 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1960 | /* test for valid `parameters' delayed to FT_Stream_New() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1961 | |
| 1962 | if ( !face ) |
| 1963 | return FT_Err_Invalid_Face_Handle; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1964 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1965 | driver = face->driver; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1966 | if ( !driver ) |
| 1967 | return FT_Err_Invalid_Driver_Handle; |
| 1968 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1969 | error = FT_Stream_New( driver->root.library, parameters, &stream ); |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1970 | if ( error ) |
| 1971 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1972 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1973 | /* we implement FT_Attach_Stream in each driver through the */ |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1974 | /* `attach_file' interface */ |
| 1975 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1976 | error = FT_Err_Unimplemented_Feature; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1977 | clazz = driver->clazz; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1978 | if ( clazz->attach_file ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1979 | error = clazz->attach_file( face, stream ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1980 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1981 | /* close the attached stream */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1982 | FT_Stream_Free( stream, |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 1983 | (FT_Bool)( parameters->stream && |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1984 | ( parameters->flags & FT_OPEN_STREAM ) ) ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1985 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1986 | Exit: |
| 1987 | return error; |
| 1988 | } |
| 1989 | |
| 1990 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1991 | /* documentation is in freetype.h */ |
| 1992 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1993 | FT_EXPORT_DEF( FT_Error ) |
| 1994 | FT_Done_Face( FT_Face face ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1995 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1996 | FT_Error error; |
| 1997 | FT_Driver driver; |
| 1998 | FT_Memory memory; |
| 1999 | FT_ListNode node; |
| 2000 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2001 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2002 | error = FT_Err_Invalid_Face_Handle; |
| 2003 | if ( face && face->driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2004 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2005 | driver = face->driver; |
| 2006 | memory = driver->root.memory; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2007 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2008 | /* find face in driver's list */ |
| 2009 | node = FT_List_Find( &driver->faces_list, face ); |
| 2010 | if ( node ) |
| 2011 | { |
| 2012 | /* remove face object from the driver's list */ |
| 2013 | FT_List_Remove( &driver->faces_list, node ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2014 | FT_FREE( node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2015 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2016 | /* now destroy the object proper */ |
| 2017 | destroy_face( memory, face, driver ); |
| 2018 | error = FT_Err_Ok; |
| 2019 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2020 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2021 | return error; |
| 2022 | } |
| 2023 | |
| 2024 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2025 | /* documentation is in ftobjs.h */ |
| 2026 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2027 | FT_EXPORT_DEF( FT_Error ) |
| 2028 | FT_New_Size( FT_Face face, |
| 2029 | FT_Size *asize ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2030 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2031 | FT_Error error; |
| 2032 | FT_Memory memory; |
| 2033 | FT_Driver driver; |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 2034 | FT_Driver_Class clazz; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2035 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2036 | FT_Size size = 0; |
| 2037 | FT_ListNode node = 0; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2038 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2039 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 2040 | if ( !face ) |
| 2041 | return FT_Err_Invalid_Face_Handle; |
| 2042 | |
| 2043 | if ( !asize ) |
| 2044 | return FT_Err_Invalid_Size_Handle; |
| 2045 | |
| 2046 | if ( !face->driver ) |
| 2047 | return FT_Err_Invalid_Driver_Handle; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2048 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2049 | *asize = 0; |
| 2050 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2051 | driver = face->driver; |
| 2052 | clazz = driver->clazz; |
| 2053 | memory = face->memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2054 | |
| 2055 | /* Allocate new size object and perform basic initialisation */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2056 | if ( FT_ALLOC( size, clazz->size_object_size ) || FT_NEW( node ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2057 | goto Exit; |
| 2058 | |
| 2059 | size->face = face; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 2060 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 2061 | /* for now, do not use any internal fields in size objects */ |
| 2062 | size->internal = 0; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2063 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2064 | if ( clazz->init_size ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2065 | error = clazz->init_size( size ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2066 | |
| 2067 | /* in case of success, add to the face's list */ |
| 2068 | if ( !error ) |
| 2069 | { |
| 2070 | *asize = size; |
| 2071 | node->data = size; |
| 2072 | FT_List_Add( &face->sizes_list, node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2073 | } |
| 2074 | |
| 2075 | Exit: |
| 2076 | if ( error ) |
| 2077 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2078 | FT_FREE( node ); |
| 2079 | FT_FREE( size ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2080 | } |
| 2081 | |
| 2082 | return error; |
| 2083 | } |
| 2084 | |
| 2085 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2086 | /* documentation is in ftobjs.h */ |
| 2087 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2088 | FT_EXPORT_DEF( FT_Error ) |
| 2089 | FT_Done_Size( FT_Size size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2090 | { |
| 2091 | FT_Error error; |
| 2092 | FT_Driver driver; |
| 2093 | FT_Memory memory; |
| 2094 | FT_Face face; |
| 2095 | FT_ListNode node; |
| 2096 | |
| 2097 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2098 | if ( !size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2099 | return FT_Err_Invalid_Size_Handle; |
| 2100 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2101 | face = size->face; |
| 2102 | if ( !face ) |
| 2103 | return FT_Err_Invalid_Face_Handle; |
| 2104 | |
| 2105 | driver = face->driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2106 | if ( !driver ) |
| 2107 | return FT_Err_Invalid_Driver_Handle; |
| 2108 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2109 | memory = driver->root.memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2110 | |
| 2111 | error = FT_Err_Ok; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2112 | node = FT_List_Find( &face->sizes_list, size ); |
| 2113 | if ( node ) |
| 2114 | { |
| 2115 | FT_List_Remove( &face->sizes_list, node ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2116 | FT_FREE( node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2117 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2118 | if ( face->size == size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2119 | { |
| 2120 | face->size = 0; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2121 | if ( face->sizes_list.head ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2122 | face->size = (FT_Size)(face->sizes_list.head->data); |
| 2123 | } |
| 2124 | |
| 2125 | destroy_size( memory, size, driver ); |
| 2126 | } |
| 2127 | else |
| 2128 | error = FT_Err_Invalid_Size_Handle; |
| 2129 | |
Werner Lemberg | cf24d51 | 2001-06-18 14:23:45 +0000 | [diff] [blame] | 2130 | return error; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2131 | } |
| 2132 | |
| 2133 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2134 | /* documentation is in ftobjs.h */ |
| 2135 | |
| 2136 | FT_BASE_DEF( FT_Error ) |
| 2137 | FT_Match_Size( FT_Face face, |
| 2138 | FT_Size_Request req, |
| 2139 | FT_Bool ignore_width, |
Werner Lemberg | 8c4120d | 2007-01-15 06:42:40 +0000 | [diff] [blame] | 2140 | FT_ULong* size_index ) |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2141 | { |
| 2142 | FT_Int i; |
| 2143 | FT_Long w, h; |
| 2144 | |
| 2145 | |
| 2146 | if ( !FT_HAS_FIXED_SIZES( face ) ) |
| 2147 | return FT_Err_Invalid_Face_Handle; |
| 2148 | |
| 2149 | /* FT_Bitmap_Size doesn't provide enough info... */ |
| 2150 | if ( req->type != FT_SIZE_REQUEST_TYPE_NOMINAL ) |
| 2151 | return FT_Err_Unimplemented_Feature; |
| 2152 | |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 2153 | w = FT_REQUEST_WIDTH ( req ); |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2154 | h = FT_REQUEST_HEIGHT( req ); |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2155 | |
| 2156 | if ( req->width && !req->height ) |
| 2157 | h = w; |
| 2158 | else if ( !req->width && req->height ) |
| 2159 | w = h; |
| 2160 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2161 | w = FT_PIX_ROUND( w ); |
| 2162 | h = FT_PIX_ROUND( h ); |
| 2163 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2164 | for ( i = 0; i < face->num_fixed_sizes; i++ ) |
| 2165 | { |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2166 | FT_Bitmap_Size* bsize = face->available_sizes + i; |
| 2167 | |
| 2168 | |
| 2169 | if ( h != FT_PIX_ROUND( bsize->y_ppem ) ) |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2170 | continue; |
| 2171 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2172 | 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] | 2173 | { |
Werner Lemberg | 8c4120d | 2007-01-15 06:42:40 +0000 | [diff] [blame] | 2174 | if ( size_index ) |
| 2175 | *size_index = (FT_ULong)i; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2176 | |
| 2177 | return FT_Err_Ok; |
| 2178 | } |
| 2179 | } |
| 2180 | |
| 2181 | return FT_Err_Invalid_Pixel_Size; |
| 2182 | } |
| 2183 | |
| 2184 | |
Wu, Chia-I (吳佳一) | 212aee0 | 2006-01-15 06:24:53 +0000 | [diff] [blame] | 2185 | /* documentation is in ftobjs.h */ |
| 2186 | |
| 2187 | FT_BASE_DEF( void ) |
Wu, Chia-I (吳佳一) | ea1e8d3 | 2006-01-15 15:01:45 +0000 | [diff] [blame] | 2188 | ft_synthesize_vertical_metrics( FT_Glyph_Metrics* metrics, |
| 2189 | FT_Pos advance ) |
Wu, Chia-I (吳佳一) | 212aee0 | 2006-01-15 06:24:53 +0000 | [diff] [blame] | 2190 | { |
Werner Lemberg | 1723dcc | 2006-01-15 07:30:32 +0000 | [diff] [blame] | 2191 | /* the factor 1.2 is a heuristical value */ |
Wu, Chia-I (吳佳一) | 212aee0 | 2006-01-15 06:24:53 +0000 | [diff] [blame] | 2192 | if ( !advance ) |
| 2193 | advance = metrics->height * 12 / 10; |
| 2194 | |
| 2195 | metrics->vertBearingX = -( metrics->width / 2 ); |
| 2196 | metrics->vertBearingY = ( advance - metrics->height ) / 2; |
| 2197 | metrics->vertAdvance = advance; |
| 2198 | } |
| 2199 | |
| 2200 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2201 | static void |
| 2202 | ft_recompute_scaled_metrics( FT_Face face, |
| 2203 | FT_Size_Metrics* metrics ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2204 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2205 | /* Compute root ascender, descender, test height, and max_advance */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2206 | |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 2207 | #ifdef GRID_FIT_METRICS |
David Turner | b463665 | 2006-02-26 07:57:45 +0000 | [diff] [blame] | 2208 | metrics->ascender = FT_PIX_CEIL( FT_MulFix( face->ascender, |
| 2209 | metrics->y_scale ) ); |
| 2210 | |
| 2211 | metrics->descender = FT_PIX_FLOOR( FT_MulFix( face->descender, |
| 2212 | metrics->y_scale ) ); |
| 2213 | |
| 2214 | metrics->height = FT_PIX_ROUND( FT_MulFix( face->height, |
| 2215 | metrics->y_scale ) ); |
| 2216 | |
| 2217 | metrics->max_advance = FT_PIX_ROUND( FT_MulFix( face->max_advance_width, |
| 2218 | metrics->x_scale ) ); |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 2219 | #else /* !GRID_FIT_METRICS */ |
Wu, Chia-I (吳佳一) | dcb8b71 | 2005-12-16 14:27:14 +0000 | [diff] [blame] | 2220 | metrics->ascender = FT_MulFix( face->ascender, |
| 2221 | metrics->y_scale ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2222 | |
Wu, Chia-I (吳佳一) | dcb8b71 | 2005-12-16 14:27:14 +0000 | [diff] [blame] | 2223 | metrics->descender = FT_MulFix( face->descender, |
| 2224 | metrics->y_scale ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2225 | |
Wu, Chia-I (吳佳一) | dcb8b71 | 2005-12-16 14:27:14 +0000 | [diff] [blame] | 2226 | metrics->height = FT_MulFix( face->height, |
| 2227 | metrics->y_scale ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2228 | |
Wu, Chia-I (吳佳一) | dcb8b71 | 2005-12-16 14:27:14 +0000 | [diff] [blame] | 2229 | metrics->max_advance = FT_MulFix( face->max_advance_width, |
| 2230 | metrics->x_scale ); |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 2231 | #endif /* !GRID_FIT_METRICS */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2232 | } |
| 2233 | |
| 2234 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2235 | FT_BASE_DEF( void ) |
| 2236 | FT_Select_Metrics( FT_Face face, |
| 2237 | FT_ULong strike_index ) |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2238 | { |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2239 | FT_Size_Metrics* metrics; |
| 2240 | FT_Bitmap_Size* bsize; |
| 2241 | |
| 2242 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2243 | metrics = &face->size->metrics; |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2244 | bsize = face->available_sizes + strike_index; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2245 | |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 2246 | metrics->x_ppem = (FT_UShort)( ( bsize->x_ppem + 32 ) >> 6 ); |
| 2247 | 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] | 2248 | |
| 2249 | if ( FT_IS_SCALABLE( face ) ) |
| 2250 | { |
| 2251 | metrics->x_scale = FT_DivFix( bsize->x_ppem, |
| 2252 | face->units_per_EM ); |
| 2253 | metrics->y_scale = FT_DivFix( bsize->y_ppem, |
| 2254 | face->units_per_EM ); |
| 2255 | |
| 2256 | ft_recompute_scaled_metrics( face, metrics ); |
| 2257 | } |
| 2258 | else |
| 2259 | { |
Werner Lemberg | 1723dcc | 2006-01-15 07:30:32 +0000 | [diff] [blame] | 2260 | metrics->x_scale = 1L << 22; |
| 2261 | metrics->y_scale = 1L << 22; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2262 | metrics->ascender = bsize->y_ppem; |
| 2263 | metrics->descender = 0; |
| 2264 | metrics->height = bsize->height << 6; |
| 2265 | metrics->max_advance = bsize->x_ppem; |
| 2266 | } |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2267 | } |
| 2268 | |
| 2269 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2270 | FT_BASE_DEF( void ) |
| 2271 | FT_Request_Metrics( FT_Face face, |
| 2272 | FT_Size_Request req ) |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2273 | { |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2274 | FT_Size_Metrics* metrics; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2275 | |
| 2276 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2277 | metrics = &face->size->metrics; |
| 2278 | |
| 2279 | if ( FT_IS_SCALABLE( face ) ) |
| 2280 | { |
Werner Lemberg | ce280a2 | 2007-06-03 05:58:30 +0000 | [diff] [blame] | 2281 | 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] | 2282 | |
| 2283 | |
| 2284 | switch ( req->type ) |
| 2285 | { |
| 2286 | case FT_SIZE_REQUEST_TYPE_NOMINAL: |
| 2287 | w = h = face->units_per_EM; |
| 2288 | break; |
Werner Lemberg | f1c2b91 | 2006-01-13 14:53:28 +0000 | [diff] [blame] | 2289 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2290 | case FT_SIZE_REQUEST_TYPE_REAL_DIM: |
| 2291 | w = h = face->ascender - face->descender; |
| 2292 | break; |
Werner Lemberg | f1c2b91 | 2006-01-13 14:53:28 +0000 | [diff] [blame] | 2293 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2294 | case FT_SIZE_REQUEST_TYPE_BBOX: |
| 2295 | w = face->bbox.xMax - face->bbox.xMin; |
| 2296 | h = face->bbox.yMax - face->bbox.yMin; |
| 2297 | break; |
Werner Lemberg | f1c2b91 | 2006-01-13 14:53:28 +0000 | [diff] [blame] | 2298 | |
Werner Lemberg | b9933f4 | 2007-06-01 21:27:12 +0000 | [diff] [blame] | 2299 | case FT_SIZE_REQUEST_TYPE_CELL: |
| 2300 | w = face->max_advance_width; |
| 2301 | h = face->ascender - face->descender; |
| 2302 | break; |
| 2303 | |
Wu, Chia-I (吳佳一) | a8e7a01 | 2006-02-24 06:11:30 +0000 | [diff] [blame] | 2304 | case FT_SIZE_REQUEST_TYPE_SCALES: |
| 2305 | metrics->x_scale = (FT_Fixed)req->width; |
| 2306 | metrics->y_scale = (FT_Fixed)req->height; |
| 2307 | if ( !metrics->x_scale ) |
| 2308 | metrics->x_scale = metrics->y_scale; |
| 2309 | else if ( !metrics->y_scale ) |
| 2310 | metrics->y_scale = metrics->x_scale; |
| 2311 | goto Calculate_Ppem; |
Wu, Chia-I (吳佳一) | a8e7a01 | 2006-02-24 06:11:30 +0000 | [diff] [blame] | 2312 | |
Werner Lemberg | b9933f4 | 2007-06-01 21:27:12 +0000 | [diff] [blame] | 2313 | case FT_SIZE_REQUEST_TYPE_MAX: |
| 2314 | break; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2315 | } |
| 2316 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2317 | /* to be on the safe side */ |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 2318 | if ( w < 0 ) |
| 2319 | w = -w; |
| 2320 | |
| 2321 | if ( h < 0 ) |
| 2322 | h = -h; |
| 2323 | |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 2324 | scaled_w = FT_REQUEST_WIDTH ( req ); |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2325 | scaled_h = FT_REQUEST_HEIGHT( req ); |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2326 | |
| 2327 | /* determine scales */ |
| 2328 | if ( req->width ) |
| 2329 | { |
| 2330 | metrics->x_scale = FT_DivFix( scaled_w, w ); |
| 2331 | |
| 2332 | if ( req->height ) |
| 2333 | { |
| 2334 | metrics->y_scale = FT_DivFix( scaled_h, h ); |
| 2335 | |
| 2336 | if ( req->type == FT_SIZE_REQUEST_TYPE_CELL ) |
| 2337 | { |
| 2338 | if ( metrics->y_scale > metrics->x_scale ) |
| 2339 | metrics->y_scale = metrics->x_scale; |
| 2340 | else |
| 2341 | metrics->x_scale = metrics->y_scale; |
| 2342 | } |
| 2343 | } |
| 2344 | else |
| 2345 | { |
| 2346 | metrics->y_scale = metrics->x_scale; |
| 2347 | scaled_h = FT_MulDiv( scaled_w, h, w ); |
| 2348 | } |
| 2349 | } |
| 2350 | else |
| 2351 | { |
| 2352 | metrics->x_scale = metrics->y_scale = FT_DivFix( scaled_h, h ); |
| 2353 | scaled_w = FT_MulDiv( scaled_h, w, h ); |
| 2354 | } |
| 2355 | |
Wu, Chia-I (吳佳一) | a8e7a01 | 2006-02-24 06:11:30 +0000 | [diff] [blame] | 2356 | Calculate_Ppem: |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2357 | /* calculate the ppems */ |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2358 | if ( req->type != FT_SIZE_REQUEST_TYPE_NOMINAL ) |
| 2359 | { |
| 2360 | scaled_w = FT_MulFix( face->units_per_EM, metrics->x_scale ); |
| 2361 | scaled_h = FT_MulFix( face->units_per_EM, metrics->y_scale ); |
| 2362 | } |
| 2363 | |
Werner Lemberg | be3c981 | 2006-01-27 14:16:16 +0000 | [diff] [blame] | 2364 | metrics->x_ppem = (FT_UShort)( ( scaled_w + 32 ) >> 6 ); |
| 2365 | 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] | 2366 | |
| 2367 | ft_recompute_scaled_metrics( face, metrics ); |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2368 | } |
| 2369 | else |
| 2370 | { |
| 2371 | FT_ZERO( metrics ); |
Werner Lemberg | 1723dcc | 2006-01-15 07:30:32 +0000 | [diff] [blame] | 2372 | metrics->x_scale = 1L << 22; |
| 2373 | metrics->y_scale = 1L << 22; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2374 | } |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2375 | } |
| 2376 | |
| 2377 | |
| 2378 | /* documentation is in freetype.h */ |
| 2379 | |
| 2380 | FT_EXPORT_DEF( FT_Error ) |
| 2381 | FT_Select_Size( FT_Face face, |
| 2382 | FT_Int strike_index ) |
| 2383 | { |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 2384 | FT_Driver_Class clazz; |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2385 | |
| 2386 | |
| 2387 | if ( !face || !FT_HAS_FIXED_SIZES( face ) ) |
| 2388 | return FT_Err_Invalid_Face_Handle; |
| 2389 | |
| 2390 | if ( strike_index < 0 || strike_index >= face->num_fixed_sizes ) |
| 2391 | return FT_Err_Invalid_Argument; |
| 2392 | |
| 2393 | clazz = face->driver->clazz; |
| 2394 | |
| 2395 | if ( clazz->select_size ) |
| 2396 | return clazz->select_size( face->size, (FT_ULong)strike_index ); |
| 2397 | |
| 2398 | FT_Select_Metrics( face, (FT_ULong)strike_index ); |
| 2399 | |
| 2400 | return FT_Err_Ok; |
| 2401 | } |
| 2402 | |
| 2403 | |
| 2404 | /* documentation is in freetype.h */ |
| 2405 | |
| 2406 | FT_EXPORT_DEF( FT_Error ) |
| 2407 | FT_Request_Size( FT_Face face, |
| 2408 | FT_Size_Request req ) |
| 2409 | { |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 2410 | FT_Driver_Class clazz; |
| 2411 | FT_ULong strike_index; |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2412 | |
| 2413 | |
| 2414 | if ( !face ) |
| 2415 | return FT_Err_Invalid_Face_Handle; |
| 2416 | |
| 2417 | if ( !req || req->width < 0 || req->height < 0 || |
| 2418 | req->type >= FT_SIZE_REQUEST_TYPE_MAX ) |
| 2419 | return FT_Err_Invalid_Argument; |
| 2420 | |
| 2421 | clazz = face->driver->clazz; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2422 | |
| 2423 | if ( clazz->request_size ) |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2424 | return clazz->request_size( face->size, req ); |
| 2425 | |
Wu, Chia-I (吳佳一) | e33dc2e | 2006-01-14 05:09:30 +0000 | [diff] [blame] | 2426 | /* |
Werner Lemberg | 3d8eeb8 | 2006-01-14 07:10:45 +0000 | [diff] [blame] | 2427 | * The reason that a driver doesn't have `request_size' defined is |
| 2428 | * either that the scaling here suffices or that the supported formats |
| 2429 | * 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] | 2430 | * |
| 2431 | * In the latter case, a simple size matching is done. |
| 2432 | */ |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2433 | 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] | 2434 | { |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2435 | FT_Error error; |
Wu, Chia-I (吳佳一) | e33dc2e | 2006-01-14 05:09:30 +0000 | [diff] [blame] | 2436 | |
| 2437 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2438 | error = FT_Match_Size( face, req, 0, &strike_index ); |
| 2439 | if ( error ) |
| 2440 | return error; |
Wu, Chia-I (吳佳一) | e33dc2e | 2006-01-14 05:09:30 +0000 | [diff] [blame] | 2441 | |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 2442 | FT_TRACE3(( "FT_Request_Size: bitmap strike %lu matched\n", |
| 2443 | strike_index )); |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2444 | |
| 2445 | 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] | 2446 | } |
| 2447 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame] | 2448 | FT_Request_Metrics( face, req ); |
| 2449 | |
| 2450 | return FT_Err_Ok; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2451 | } |
| 2452 | |
| 2453 | |
| 2454 | /* documentation is in freetype.h */ |
| 2455 | |
| 2456 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2457 | FT_Set_Char_Size( FT_Face face, |
| 2458 | FT_F26Dot6 char_width, |
| 2459 | FT_F26Dot6 char_height, |
| 2460 | FT_UInt horz_resolution, |
| 2461 | FT_UInt vert_resolution ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2462 | { |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2463 | FT_Size_RequestRec req; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2464 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2465 | |
Wu, Chia-I (吳佳一) | cffa8b6 | 2006-02-27 11:11:40 +0000 | [diff] [blame] | 2466 | if ( !char_width ) |
| 2467 | char_width = char_height; |
| 2468 | else if ( !char_height ) |
| 2469 | char_height = char_width; |
| 2470 | |
Werner Lemberg | 7478197 | 2007-04-03 19:39:28 +0000 | [diff] [blame] | 2471 | if ( !horz_resolution ) |
David Turner | 7338ec2 | 2007-04-03 14:30:34 +0000 | [diff] [blame] | 2472 | horz_resolution = vert_resolution; |
Werner Lemberg | 7478197 | 2007-04-03 19:39:28 +0000 | [diff] [blame] | 2473 | else if ( !vert_resolution ) |
David Turner | 7338ec2 | 2007-04-03 14:30:34 +0000 | [diff] [blame] | 2474 | vert_resolution = horz_resolution; |
| 2475 | |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 2476 | if ( char_width < 1 * 64 ) |
| 2477 | char_width = 1 * 64; |
| 2478 | if ( char_height < 1 * 64 ) |
| 2479 | char_height = 1 * 64; |
| 2480 | |
Werner Lemberg | 106eaf1 | 2007-05-03 07:07:47 +0000 | [diff] [blame] | 2481 | if ( !horz_resolution ) |
| 2482 | horz_resolution = vert_resolution = 72; |
| 2483 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2484 | req.type = FT_SIZE_REQUEST_TYPE_NOMINAL; |
| 2485 | req.width = char_width; |
| 2486 | req.height = char_height; |
Werner Lemberg | 106eaf1 | 2007-05-03 07:07:47 +0000 | [diff] [blame] | 2487 | req.horiResolution = horz_resolution; |
| 2488 | req.vertResolution = vert_resolution; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2489 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2490 | return FT_Request_Size( face, &req ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2491 | } |
| 2492 | |
| 2493 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2494 | /* documentation is in freetype.h */ |
| 2495 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2496 | FT_EXPORT_DEF( FT_Error ) |
| 2497 | FT_Set_Pixel_Sizes( FT_Face face, |
| 2498 | FT_UInt pixel_width, |
| 2499 | FT_UInt pixel_height ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2500 | { |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2501 | FT_Size_RequestRec req; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2502 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2503 | |
Wu, Chia-I (吳佳一) | 2e48a1a | 2006-02-27 09:18:07 +0000 | [diff] [blame] | 2504 | if ( pixel_width == 0 ) |
| 2505 | pixel_width = pixel_height; |
| 2506 | else if ( pixel_height == 0 ) |
| 2507 | pixel_height = pixel_width; |
| 2508 | |
| 2509 | if ( pixel_width < 1 ) |
| 2510 | pixel_width = 1; |
| 2511 | if ( pixel_height < 1 ) |
| 2512 | pixel_height = 1; |
| 2513 | |
Werner Lemberg | 6e87ed9 | 2007-01-26 22:18:56 +0000 | [diff] [blame] | 2514 | /* 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] | 2515 | if ( pixel_width >= 0xFFFFU ) |
| 2516 | pixel_width = 0xFFFFU; |
| 2517 | if ( pixel_height >= 0xFFFFU ) |
| 2518 | pixel_height = 0xFFFFU; |
| 2519 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2520 | req.type = FT_SIZE_REQUEST_TYPE_NOMINAL; |
| 2521 | req.width = pixel_width << 6; |
| 2522 | req.height = pixel_height << 6; |
| 2523 | req.horiResolution = 0; |
| 2524 | req.vertResolution = 0; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2525 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2526 | return FT_Request_Size( face, &req ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2527 | } |
| 2528 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2529 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2530 | /* documentation is in freetype.h */ |
| 2531 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2532 | FT_EXPORT_DEF( FT_Error ) |
| 2533 | FT_Get_Kerning( FT_Face face, |
| 2534 | FT_UInt left_glyph, |
| 2535 | FT_UInt right_glyph, |
| 2536 | FT_UInt kern_mode, |
| 2537 | FT_Vector *akerning ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2538 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2539 | FT_Error error = FT_Err_Ok; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2540 | FT_Driver driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2541 | |
Werner Lemberg | a8bbc26 | 2000-07-01 14:06:46 +0000 | [diff] [blame] | 2542 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2543 | if ( !face ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2544 | return FT_Err_Invalid_Face_Handle; |
| 2545 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 2546 | if ( !akerning ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2547 | return FT_Err_Invalid_Argument; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2548 | |
| 2549 | driver = face->driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2550 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 2551 | akerning->x = 0; |
| 2552 | akerning->y = 0; |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2553 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2554 | if ( driver->clazz->get_kerning ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2555 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2556 | error = driver->clazz->get_kerning( face, |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2557 | left_glyph, |
| 2558 | right_glyph, |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 2559 | akerning ); |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2560 | if ( !error ) |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 2561 | { |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2562 | if ( kern_mode != FT_KERNING_UNSCALED ) |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 2563 | { |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 2564 | akerning->x = FT_MulFix( akerning->x, face->size->metrics.x_scale ); |
| 2565 | akerning->y = FT_MulFix( akerning->y, face->size->metrics.y_scale ); |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2566 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2567 | if ( kern_mode != FT_KERNING_UNFITTED ) |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2568 | { |
Werner Lemberg | 133eee0 | 2004-12-12 06:55:40 +0000 | [diff] [blame] | 2569 | /* we scale down kerning values for small ppem values */ |
| 2570 | /* to avoid that rounding makes them too big. */ |
| 2571 | /* `25' has been determined heuristically. */ |
| 2572 | if ( face->size->metrics.x_ppem < 25 ) |
| 2573 | akerning->x = FT_MulDiv( akerning->x, |
| 2574 | face->size->metrics.x_ppem, 25 ); |
| 2575 | if ( face->size->metrics.y_ppem < 25 ) |
| 2576 | akerning->y = FT_MulDiv( akerning->y, |
| 2577 | face->size->metrics.y_ppem, 25 ); |
| 2578 | |
| 2579 | akerning->x = FT_PIX_ROUND( akerning->x ); |
| 2580 | akerning->y = FT_PIX_ROUND( akerning->y ); |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2581 | } |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 2582 | } |
| 2583 | } |
| 2584 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2585 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2586 | return error; |
| 2587 | } |
| 2588 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2589 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2590 | /* documentation is in freetype.h */ |
| 2591 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2592 | FT_EXPORT_DEF( FT_Error ) |
Wu, Chia-I (吳佳一) | 108fdbb | 2006-01-16 15:35:56 +0000 | [diff] [blame] | 2593 | FT_Get_Track_Kerning( FT_Face face, |
| 2594 | FT_Fixed point_size, |
| 2595 | FT_Int degree, |
| 2596 | FT_Fixed* akerning ) |
| 2597 | { |
| 2598 | FT_Service_Kerning service; |
| 2599 | FT_Error error = FT_Err_Ok; |
Wu, Chia-I (吳佳一) | 108fdbb | 2006-01-16 15:35:56 +0000 | [diff] [blame] | 2600 | |
| 2601 | |
| 2602 | if ( !face ) |
| 2603 | return FT_Err_Invalid_Face_Handle; |
| 2604 | |
| 2605 | if ( !akerning ) |
| 2606 | return FT_Err_Invalid_Argument; |
| 2607 | |
Wu, Chia-I (吳佳一) | 108fdbb | 2006-01-16 15:35:56 +0000 | [diff] [blame] | 2608 | FT_FACE_FIND_SERVICE( face, service, KERNING ); |
| 2609 | if ( !service ) |
| 2610 | return FT_Err_Unimplemented_Feature; |
| 2611 | |
| 2612 | error = service->get_track( face, |
| 2613 | point_size, |
| 2614 | degree, |
| 2615 | akerning ); |
| 2616 | |
| 2617 | return error; |
| 2618 | } |
| 2619 | |
| 2620 | |
| 2621 | /* documentation is in freetype.h */ |
| 2622 | |
| 2623 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2624 | FT_Select_Charmap( FT_Face face, |
| 2625 | FT_Encoding encoding ) |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2626 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2627 | FT_CharMap* cur; |
| 2628 | FT_CharMap* limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2629 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2630 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2631 | if ( !face ) |
| 2632 | return FT_Err_Invalid_Face_Handle; |
| 2633 | |
Werner Lemberg | e88c526 | 2006-10-24 05:46:26 +0000 | [diff] [blame] | 2634 | if ( encoding == FT_ENCODING_NONE ) |
| 2635 | return FT_Err_Invalid_Argument; |
| 2636 | |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 2637 | /* FT_ENCODING_UNICODE is special. We try to find the `best' Unicode */ |
| 2638 | /* charmap available, i.e., one with UCS-4 characters, if possible. */ |
| 2639 | /* */ |
| 2640 | /* This is done by find_unicode_charmap() above, to share code. */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 2641 | if ( encoding == FT_ENCODING_UNICODE ) |
| 2642 | return find_unicode_charmap( face ); |
| 2643 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2644 | cur = face->charmaps; |
| 2645 | if ( !cur ) |
| 2646 | return FT_Err_Invalid_CharMap_Handle; |
| 2647 | |
| 2648 | limit = cur + face->num_charmaps; |
| 2649 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2650 | for ( ; cur < limit; cur++ ) |
| 2651 | { |
| 2652 | if ( cur[0]->encoding == encoding ) |
| 2653 | { |
| 2654 | face->charmap = cur[0]; |
| 2655 | return 0; |
| 2656 | } |
| 2657 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2658 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2659 | return FT_Err_Invalid_Argument; |
| 2660 | } |
| 2661 | |
| 2662 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2663 | /* documentation is in freetype.h */ |
| 2664 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2665 | FT_EXPORT_DEF( FT_Error ) |
| 2666 | FT_Set_Charmap( FT_Face face, |
| 2667 | FT_CharMap charmap ) |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2668 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2669 | FT_CharMap* cur; |
| 2670 | FT_CharMap* limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2671 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2672 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2673 | if ( !face ) |
| 2674 | return FT_Err_Invalid_Face_Handle; |
| 2675 | |
| 2676 | cur = face->charmaps; |
| 2677 | if ( !cur ) |
| 2678 | return FT_Err_Invalid_CharMap_Handle; |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 2679 | if ( FT_Get_CMap_Format( charmap ) == 14 ) |
| 2680 | return FT_Err_Invalid_Argument; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2681 | |
| 2682 | limit = cur + face->num_charmaps; |
| 2683 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2684 | for ( ; cur < limit; cur++ ) |
| 2685 | { |
| 2686 | if ( cur[0] == charmap ) |
| 2687 | { |
| 2688 | face->charmap = cur[0]; |
| 2689 | return 0; |
| 2690 | } |
| 2691 | } |
| 2692 | return FT_Err_Invalid_Argument; |
| 2693 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2694 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2695 | |
Werner Lemberg | e95365b | 2004-04-24 14:43:37 +0000 | [diff] [blame] | 2696 | /* documentation is in freetype.h */ |
| 2697 | |
| 2698 | FT_EXPORT_DEF( FT_Int ) |
| 2699 | FT_Get_Charmap_Index( FT_CharMap charmap ) |
| 2700 | { |
| 2701 | FT_Int i; |
| 2702 | |
| 2703 | |
| 2704 | for ( i = 0; i < charmap->face->num_charmaps; i++ ) |
| 2705 | if ( charmap->face->charmaps[i] == charmap ) |
| 2706 | break; |
| 2707 | |
| 2708 | FT_ASSERT( i < charmap->face->num_charmaps ); |
| 2709 | |
| 2710 | return i; |
| 2711 | } |
| 2712 | |
| 2713 | |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2714 | static void |
| 2715 | ft_cmap_done_internal( FT_CMap cmap ) |
| 2716 | { |
| 2717 | FT_CMap_Class clazz = cmap->clazz; |
| 2718 | FT_Face face = cmap->charmap.face; |
| 2719 | FT_Memory memory = FT_FACE_MEMORY(face); |
| 2720 | |
| 2721 | |
| 2722 | if ( clazz->done ) |
| 2723 | clazz->done( cmap ); |
| 2724 | |
| 2725 | FT_FREE( cmap ); |
| 2726 | } |
| 2727 | |
| 2728 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2729 | FT_BASE_DEF( void ) |
| 2730 | FT_CMap_Done( FT_CMap cmap ) |
| 2731 | { |
| 2732 | if ( cmap ) |
| 2733 | { |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2734 | FT_Face face = cmap->charmap.face; |
| 2735 | FT_Memory memory = FT_FACE_MEMORY( face ); |
| 2736 | FT_Error error; |
| 2737 | FT_Int i, j; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2738 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2739 | |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2740 | for ( i = 0; i < face->num_charmaps; i++ ) |
| 2741 | { |
| 2742 | if ( (FT_CMap)face->charmaps[i] == cmap ) |
| 2743 | { |
| 2744 | FT_CharMap last_charmap = face->charmaps[face->num_charmaps - 1]; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2745 | |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2746 | |
| 2747 | if ( FT_RENEW_ARRAY( face->charmaps, |
| 2748 | face->num_charmaps, |
| 2749 | face->num_charmaps - 1 ) ) |
| 2750 | return; |
| 2751 | |
| 2752 | /* remove it from our list of charmaps */ |
| 2753 | for ( j = i + 1; j < face->num_charmaps; j++ ) |
| 2754 | { |
| 2755 | if ( j == face->num_charmaps - 1 ) |
| 2756 | face->charmaps[j - 1] = last_charmap; |
| 2757 | else |
| 2758 | face->charmaps[j - 1] = face->charmaps[j]; |
| 2759 | } |
| 2760 | |
| 2761 | face->num_charmaps--; |
| 2762 | |
| 2763 | if ( (FT_CMap)face->charmap == cmap ) |
| 2764 | face->charmap = NULL; |
| 2765 | |
| 2766 | ft_cmap_done_internal( cmap ); |
| 2767 | |
| 2768 | break; |
| 2769 | } |
| 2770 | } |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2771 | } |
| 2772 | } |
| 2773 | |
| 2774 | |
| 2775 | FT_BASE_DEF( FT_Error ) |
Werner Lemberg | 9cc4aed | 2006-01-26 21:03:58 +0000 | [diff] [blame] | 2776 | FT_CMap_New( FT_CMap_Class clazz, |
| 2777 | FT_Pointer init_data, |
| 2778 | FT_CharMap charmap, |
| 2779 | FT_CMap *acmap ) |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2780 | { |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 2781 | FT_Error error = FT_Err_Ok; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2782 | FT_Face face; |
| 2783 | FT_Memory memory; |
| 2784 | FT_CMap cmap; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2785 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2786 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2787 | if ( clazz == NULL || charmap == NULL || charmap->face == NULL ) |
| 2788 | return FT_Err_Invalid_Argument; |
| 2789 | |
| 2790 | face = charmap->face; |
Werner Lemberg | f35ff80 | 2003-06-02 21:58:05 +0000 | [diff] [blame] | 2791 | memory = FT_FACE_MEMORY( face ); |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2792 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2793 | if ( !FT_ALLOC( cmap, clazz->size ) ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2794 | { |
| 2795 | cmap->charmap = *charmap; |
| 2796 | cmap->clazz = clazz; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2797 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2798 | if ( clazz->init ) |
| 2799 | { |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2800 | error = clazz->init( cmap, init_data ); |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2801 | if ( error ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2802 | goto Fail; |
| 2803 | } |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2804 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2805 | /* add it to our list of charmaps */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2806 | if ( FT_RENEW_ARRAY( face->charmaps, |
| 2807 | face->num_charmaps, |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 2808 | face->num_charmaps + 1 ) ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2809 | goto Fail; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2810 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2811 | face->charmaps[face->num_charmaps++] = (FT_CharMap)cmap; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2812 | } |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2813 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2814 | Exit: |
| 2815 | if ( acmap ) |
| 2816 | *acmap = cmap; |
| 2817 | |
| 2818 | return error; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2819 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2820 | Fail: |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2821 | ft_cmap_done_internal( cmap ); |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2822 | cmap = NULL; |
| 2823 | goto Exit; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2824 | } |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2825 | |
| 2826 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2827 | /* documentation is in freetype.h */ |
| 2828 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2829 | FT_EXPORT_DEF( FT_UInt ) |
| 2830 | FT_Get_Char_Index( FT_Face face, |
| 2831 | FT_ULong charcode ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2832 | { |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2833 | FT_UInt result = 0; |
| 2834 | |
| 2835 | |
| 2836 | if ( face && face->charmap ) |
| 2837 | { |
| 2838 | FT_CMap cmap = FT_CMAP( face->charmap ); |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 2839 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2840 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2841 | result = cmap->clazz->char_index( cmap, charcode ); |
| 2842 | } |
| 2843 | return result; |
| 2844 | } |
| 2845 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2846 | |
Werner Lemberg | 0f7c2f1 | 2002-02-04 20:55:58 +0000 | [diff] [blame] | 2847 | /* documentation is in freetype.h */ |
| 2848 | |
| 2849 | FT_EXPORT_DEF( FT_ULong ) |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 2850 | FT_Get_First_Char( FT_Face face, |
| 2851 | FT_UInt *agindex ) |
Werner Lemberg | 0f7c2f1 | 2002-02-04 20:55:58 +0000 | [diff] [blame] | 2852 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2853 | FT_ULong result = 0; |
| 2854 | FT_UInt gindex = 0; |
| 2855 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2856 | |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 2857 | if ( face && face->charmap ) |
| 2858 | { |
| 2859 | gindex = FT_Get_Char_Index( face, 0 ); |
| 2860 | if ( gindex == 0 ) |
| 2861 | result = FT_Get_Next_Char( face, 0, &gindex ); |
| 2862 | } |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2863 | |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 2864 | if ( agindex ) |
| 2865 | *agindex = gindex; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2866 | |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 2867 | return result; |
| 2868 | } |
| 2869 | |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 2870 | |
Werner Lemberg | 7b0cc66 | 2003-07-05 07:46:49 +0000 | [diff] [blame] | 2871 | /* documentation is in freetype.h */ |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2872 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2873 | FT_EXPORT_DEF( FT_ULong ) |
| 2874 | FT_Get_Next_Char( FT_Face face, |
| 2875 | FT_ULong charcode, |
| 2876 | FT_UInt *agindex ) |
| 2877 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2878 | FT_ULong result = 0; |
| 2879 | FT_UInt gindex = 0; |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2880 | |
| 2881 | |
| 2882 | if ( face && face->charmap ) |
| 2883 | { |
| 2884 | FT_UInt32 code = (FT_UInt32)charcode; |
| 2885 | FT_CMap cmap = FT_CMAP( face->charmap ); |
| 2886 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2887 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2888 | gindex = cmap->clazz->char_next( cmap, &code ); |
| 2889 | result = ( gindex == 0 ) ? 0 : code; |
| 2890 | } |
| 2891 | |
| 2892 | if ( agindex ) |
| 2893 | *agindex = gindex; |
| 2894 | |
| 2895 | return result; |
| 2896 | } |
| 2897 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2898 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2899 | /* documentation is in freetype.h */ |
| 2900 | |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 2901 | FT_EXPORT_DEF( FT_UInt ) |
David Turner | cf432db | 2007-10-19 12:36:40 +0000 | [diff] [blame] | 2902 | FT_Face_GetCharVariantIndex( FT_Face face, |
| 2903 | FT_ULong charcode, |
| 2904 | FT_ULong variantSelector ) |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 2905 | { |
| 2906 | FT_UInt result = 0; |
| 2907 | |
| 2908 | |
| 2909 | if ( face && face->charmap && |
| 2910 | face->charmap->encoding == FT_ENCODING_UNICODE ) |
| 2911 | { |
| 2912 | FT_CharMap charmap = find_variant_selector_charmap( face ); |
| 2913 | FT_CMap ucmap = FT_CMAP( face->charmap ); |
| 2914 | |
| 2915 | |
| 2916 | if ( charmap != NULL ) |
| 2917 | { |
| 2918 | FT_CMap vcmap = FT_CMAP( charmap ); |
| 2919 | |
| 2920 | |
| 2921 | result = vcmap->clazz->char_var_index( vcmap, ucmap, charcode, |
| 2922 | variantSelector ); |
| 2923 | } |
| 2924 | } |
| 2925 | |
| 2926 | return result; |
| 2927 | } |
| 2928 | |
| 2929 | |
| 2930 | /* documentation is in freetype.h */ |
| 2931 | |
| 2932 | FT_EXPORT_DEF( FT_Int ) |
David Turner | cf432db | 2007-10-19 12:36:40 +0000 | [diff] [blame] | 2933 | FT_Face_GetCharVariantIsDefault( FT_Face face, |
| 2934 | FT_ULong charcode, |
| 2935 | FT_ULong variantSelector ) |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 2936 | { |
| 2937 | FT_Int result = -1; |
| 2938 | |
| 2939 | |
| 2940 | if ( face ) |
| 2941 | { |
| 2942 | FT_CharMap charmap = find_variant_selector_charmap( face ); |
| 2943 | |
| 2944 | |
| 2945 | if ( charmap != NULL ) |
| 2946 | { |
| 2947 | FT_CMap vcmap = FT_CMAP( charmap ); |
| 2948 | |
| 2949 | |
| 2950 | result = vcmap->clazz->char_var_default( vcmap, charcode, |
| 2951 | variantSelector ); |
| 2952 | } |
| 2953 | } |
| 2954 | |
| 2955 | return result; |
| 2956 | } |
| 2957 | |
| 2958 | |
| 2959 | /* documentation is in freetype.h */ |
| 2960 | |
| 2961 | FT_EXPORT_DEF( FT_UInt32* ) |
David Turner | cf432db | 2007-10-19 12:36:40 +0000 | [diff] [blame] | 2962 | FT_Face_GetVariantSelectors( FT_Face face ) |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 2963 | { |
| 2964 | FT_UInt32 *result = NULL; |
| 2965 | |
| 2966 | |
| 2967 | if ( face ) |
| 2968 | { |
| 2969 | FT_CharMap charmap = find_variant_selector_charmap( face ); |
| 2970 | |
| 2971 | |
| 2972 | if ( charmap != NULL ) |
| 2973 | { |
| 2974 | FT_CMap vcmap = FT_CMAP( charmap ); |
| 2975 | FT_Memory memory = FT_FACE_MEMORY( face ); |
| 2976 | |
| 2977 | |
| 2978 | result = vcmap->clazz->variant_list( vcmap, memory ); |
| 2979 | } |
| 2980 | } |
| 2981 | |
| 2982 | return result; |
| 2983 | } |
| 2984 | |
| 2985 | |
| 2986 | /* documentation is in freetype.h */ |
| 2987 | |
| 2988 | FT_EXPORT_DEF( FT_UInt32* ) |
David Turner | cf432db | 2007-10-19 12:36:40 +0000 | [diff] [blame] | 2989 | FT_Face_GetVariantsOfChar( FT_Face face, |
| 2990 | FT_ULong charcode ) |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 2991 | { |
| 2992 | FT_UInt32 *result = NULL; |
| 2993 | |
| 2994 | |
| 2995 | if ( face ) |
| 2996 | { |
| 2997 | FT_CharMap charmap = find_variant_selector_charmap( face ); |
| 2998 | |
| 2999 | |
| 3000 | if ( charmap != NULL ) |
| 3001 | { |
| 3002 | FT_CMap vcmap = FT_CMAP( charmap ); |
| 3003 | FT_Memory memory = FT_FACE_MEMORY( face ); |
| 3004 | |
| 3005 | |
| 3006 | result = vcmap->clazz->charvariant_list( vcmap, memory, charcode ); |
| 3007 | } |
| 3008 | } |
| 3009 | return result; |
| 3010 | } |
| 3011 | |
| 3012 | |
| 3013 | /* documentation is in freetype.h */ |
| 3014 | |
| 3015 | FT_EXPORT_DEF( FT_UInt32* ) |
David Turner | cf432db | 2007-10-19 12:36:40 +0000 | [diff] [blame] | 3016 | FT_Face_GetCharsOfVariant( FT_Face face, |
| 3017 | FT_ULong variantSelector ) |
Werner Lemberg | 9a966b7 | 2007-10-15 17:21:32 +0000 | [diff] [blame] | 3018 | { |
| 3019 | FT_UInt32 *result = NULL; |
| 3020 | |
| 3021 | |
| 3022 | if ( face ) |
| 3023 | { |
| 3024 | FT_CharMap charmap = find_variant_selector_charmap( face ); |
| 3025 | |
| 3026 | |
| 3027 | if ( charmap != NULL ) |
| 3028 | { |
| 3029 | FT_CMap vcmap = FT_CMAP( charmap ); |
| 3030 | FT_Memory memory = FT_FACE_MEMORY( face ); |
| 3031 | |
| 3032 | |
| 3033 | result = vcmap->clazz->variantchar_list( vcmap, memory, |
| 3034 | variantSelector ); |
| 3035 | } |
| 3036 | } |
| 3037 | |
| 3038 | return result; |
| 3039 | } |
| 3040 | |
| 3041 | |
| 3042 | /* documentation is in freetype.h */ |
| 3043 | |
| 3044 | FT_EXPORT_DEF( FT_UInt ) |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 3045 | FT_Get_Name_Index( FT_Face face, |
| 3046 | FT_String* glyph_name ) |
| 3047 | { |
| 3048 | FT_UInt result = 0; |
| 3049 | |
| 3050 | |
| 3051 | if ( face && FT_HAS_GLYPH_NAMES( face ) ) |
| 3052 | { |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3053 | FT_Service_GlyphDict service; |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 3054 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3055 | |
Werner Lemberg | 46333a1 | 2003-09-17 19:20:02 +0000 | [diff] [blame] | 3056 | FT_FACE_LOOKUP_SERVICE( face, |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 3057 | service, |
| 3058 | GLYPH_DICT ); |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3059 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3060 | if ( service && service->name_index ) |
| 3061 | result = service->name_index( face, glyph_name ); |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3062 | } |
| 3063 | |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 3064 | return result; |
| 3065 | } |
| 3066 | |
Werner Lemberg | aef3fc8 | 2001-12-17 16:21:22 +0000 | [diff] [blame] | 3067 | |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 3068 | /* documentation is in freetype.h */ |
| 3069 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3070 | FT_EXPORT_DEF( FT_Error ) |
| 3071 | FT_Get_Glyph_Name( FT_Face face, |
| 3072 | FT_UInt glyph_index, |
| 3073 | FT_Pointer buffer, |
| 3074 | FT_UInt buffer_max ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3075 | { |
| 3076 | FT_Error error = FT_Err_Invalid_Argument; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 3077 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 3078 | |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3079 | /* clean up buffer */ |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 3080 | if ( buffer && buffer_max > 0 ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3081 | ((FT_Byte*)buffer)[0] = 0; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 3082 | |
Werner Lemberg | fd97d13 | 2002-06-16 01:14:16 +0000 | [diff] [blame] | 3083 | if ( face && |
| 3084 | glyph_index <= (FT_UInt)face->num_glyphs && |
| 3085 | FT_HAS_GLYPH_NAMES( face ) ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3086 | { |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3087 | FT_Service_GlyphDict service; |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3088 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3089 | |
Werner Lemberg | 46333a1 | 2003-09-17 19:20:02 +0000 | [diff] [blame] | 3090 | FT_FACE_LOOKUP_SERVICE( face, |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 3091 | service, |
| 3092 | GLYPH_DICT ); |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 3093 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3094 | if ( service && service->get_name ) |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3095 | error = service->get_name( face, glyph_index, buffer, buffer_max ); |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3096 | } |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 3097 | |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3098 | return error; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 3099 | } |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 3100 | |
| 3101 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 3102 | /* documentation is in freetype.h */ |
| 3103 | |
| 3104 | FT_EXPORT_DEF( const char* ) |
| 3105 | FT_Get_Postscript_Name( FT_Face face ) |
| 3106 | { |
| 3107 | const char* result = NULL; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 3108 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 3109 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 3110 | if ( !face ) |
| 3111 | goto Exit; |
| 3112 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 3113 | if ( !result ) |
| 3114 | { |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 3115 | FT_Service_PsFontName service; |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 3116 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3117 | |
Werner Lemberg | 46333a1 | 2003-09-17 19:20:02 +0000 | [diff] [blame] | 3118 | FT_FACE_LOOKUP_SERVICE( face, |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 3119 | service, |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 3120 | POSTSCRIPT_FONT_NAME ); |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 3121 | |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 3122 | if ( service && service->get_ps_font_name ) |
| 3123 | result = service->get_ps_font_name( face ); |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 3124 | } |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3125 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 3126 | Exit: |
| 3127 | return result; |
| 3128 | } |
| 3129 | |
| 3130 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3131 | /* documentation is in tttables.h */ |
| 3132 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3133 | FT_EXPORT_DEF( void* ) |
| 3134 | FT_Get_Sfnt_Table( FT_Face face, |
| 3135 | FT_Sfnt_Tag tag ) |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 3136 | { |
Werner Lemberg | 40bb096 | 2003-11-01 14:36:20 +0000 | [diff] [blame] | 3137 | void* table = 0; |
| 3138 | FT_Service_SFNT_Table service; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 3139 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 3140 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3141 | if ( face && FT_IS_SFNT( face ) ) |
| 3142 | { |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 3143 | FT_FACE_FIND_SERVICE( face, service, SFNT_TABLE ); |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3144 | if ( service != NULL ) |
| 3145 | table = service->get_table( face, tag ); |
| 3146 | } |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 3147 | |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 3148 | return table; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 3149 | } |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 3150 | |
| 3151 | |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 3152 | /* documentation is in tttables.h */ |
| 3153 | |
| 3154 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 3155 | FT_Load_Sfnt_Table( FT_Face face, |
| 3156 | FT_ULong tag, |
| 3157 | FT_Long offset, |
| 3158 | FT_Byte* buffer, |
| 3159 | FT_ULong* length ) |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 3160 | { |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3161 | FT_Service_SFNT_Table service; |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 3162 | |
| 3163 | |
| 3164 | if ( !face || !FT_IS_SFNT( face ) ) |
| 3165 | return FT_Err_Invalid_Face_Handle; |
| 3166 | |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 3167 | FT_FACE_FIND_SERVICE( face, service, SFNT_TABLE ); |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3168 | if ( service == NULL ) |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 3169 | return FT_Err_Unimplemented_Feature; |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 3170 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 3171 | return service->load_table( face, tag, offset, buffer, length ); |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 3172 | } |
| 3173 | |
| 3174 | |
Werner Lemberg | 1743942 | 2004-08-11 05:25:37 +0000 | [diff] [blame] | 3175 | /* documentation is in tttables.h */ |
| 3176 | |
| 3177 | FT_EXPORT_DEF( FT_Error ) |
| 3178 | FT_Sfnt_Table_Info( FT_Face face, |
| 3179 | FT_UInt table_index, |
| 3180 | FT_ULong *tag, |
| 3181 | FT_ULong *length ) |
| 3182 | { |
| 3183 | FT_Service_SFNT_Table service; |
| 3184 | |
| 3185 | |
| 3186 | if ( !face || !FT_IS_SFNT( face ) ) |
| 3187 | return FT_Err_Invalid_Face_Handle; |
| 3188 | |
| 3189 | FT_FACE_FIND_SERVICE( face, service, SFNT_TABLE ); |
| 3190 | if ( service == NULL ) |
| 3191 | return FT_Err_Unimplemented_Feature; |
| 3192 | |
| 3193 | return service->table_info( face, table_index, tag, length ); |
| 3194 | } |
| 3195 | |
| 3196 | |
Werner Lemberg | ece8b20 | 2004-12-13 23:16:59 +0000 | [diff] [blame] | 3197 | /* documentation is in tttables.h */ |
| 3198 | |
Werner Lemberg | 91a6747 | 2003-12-17 14:28:22 +0000 | [diff] [blame] | 3199 | FT_EXPORT_DEF( FT_ULong ) |
| 3200 | FT_Get_CMap_Language_ID( FT_CharMap charmap ) |
| 3201 | { |
| 3202 | FT_Service_TTCMaps service; |
| 3203 | FT_Face face; |
| 3204 | TT_CMapInfo cmap_info; |
| 3205 | |
David Turner | 87c0d30 | 2003-12-24 01:10:46 +0000 | [diff] [blame] | 3206 | |
Werner Lemberg | 91a6747 | 2003-12-17 14:28:22 +0000 | [diff] [blame] | 3207 | if ( !charmap || !charmap->face ) |
| 3208 | return 0; |
| 3209 | |
| 3210 | face = charmap->face; |
| 3211 | FT_FACE_FIND_SERVICE( face, service, TT_CMAP ); |
| 3212 | if ( service == NULL ) |
| 3213 | return 0; |
| 3214 | if ( service->get_cmap_info( charmap, &cmap_info )) |
| 3215 | return 0; |
| 3216 | |
| 3217 | return cmap_info.language; |
| 3218 | } |
| 3219 | |
| 3220 | |
Werner Lemberg | b826fa7 | 2007-05-19 07:18:48 +0000 | [diff] [blame] | 3221 | /* documentation is in tttables.h */ |
| 3222 | |
| 3223 | FT_EXPORT_DEF( FT_Long ) |
| 3224 | FT_Get_CMap_Format( FT_CharMap charmap ) |
| 3225 | { |
| 3226 | FT_Service_TTCMaps service; |
| 3227 | FT_Face face; |
| 3228 | TT_CMapInfo cmap_info; |
| 3229 | |
| 3230 | |
| 3231 | if ( !charmap || !charmap->face ) |
| 3232 | return -1; |
| 3233 | |
| 3234 | face = charmap->face; |
| 3235 | FT_FACE_FIND_SERVICE( face, service, TT_CMAP ); |
| 3236 | if ( service == NULL ) |
| 3237 | return -1; |
| 3238 | if ( service->get_cmap_info( charmap, &cmap_info )) |
| 3239 | return -1; |
| 3240 | |
| 3241 | return cmap_info.format; |
| 3242 | } |
| 3243 | |
| 3244 | |
Werner Lemberg | ece8b20 | 2004-12-13 23:16:59 +0000 | [diff] [blame] | 3245 | /* documentation is in ftsizes.h */ |
| 3246 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 3247 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 3248 | FT_Activate_Size( FT_Size size ) |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 3249 | { |
| 3250 | FT_Face face; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 3251 | |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 3252 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 3253 | if ( size == NULL ) |
| 3254 | return FT_Err_Bad_Argument; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 3255 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 3256 | face = size->face; |
| 3257 | if ( face == NULL || face->driver == NULL ) |
| 3258 | return FT_Err_Bad_Argument; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 3259 | |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 3260 | /* we don't need anything more complex than that; all size objects */ |
| 3261 | /* are already listed by the face */ |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 3262 | face->size = size; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 3263 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 3264 | return FT_Err_Ok; |
| 3265 | } |
| 3266 | |
| 3267 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 3268 | /*************************************************************************/ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3269 | /*************************************************************************/ |
| 3270 | /*************************************************************************/ |
| 3271 | /**** ****/ |
| 3272 | /**** ****/ |
| 3273 | /**** R E N D E R E R S ****/ |
| 3274 | /**** ****/ |
| 3275 | /**** ****/ |
| 3276 | /*************************************************************************/ |
| 3277 | /*************************************************************************/ |
| 3278 | /*************************************************************************/ |
| 3279 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3280 | /* lookup a renderer by glyph format in the library's list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3281 | FT_BASE_DEF( FT_Renderer ) |
| 3282 | FT_Lookup_Renderer( FT_Library library, |
| 3283 | FT_Glyph_Format format, |
| 3284 | FT_ListNode* node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3285 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3286 | FT_ListNode cur; |
| 3287 | FT_Renderer result = 0; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3288 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3289 | |
| 3290 | if ( !library ) |
| 3291 | goto Exit; |
| 3292 | |
| 3293 | cur = library->renderers.head; |
| 3294 | |
| 3295 | if ( node ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3296 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3297 | if ( *node ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3298 | cur = (*node)->next; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3299 | *node = 0; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3300 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3301 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3302 | while ( cur ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3303 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3304 | FT_Renderer renderer = FT_RENDERER( cur->data ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3305 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3306 | |
| 3307 | if ( renderer->glyph_format == format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3308 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3309 | if ( node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3310 | *node = cur; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3311 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3312 | result = renderer; |
| 3313 | break; |
| 3314 | } |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3315 | cur = cur->next; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3316 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3317 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3318 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3319 | return result; |
| 3320 | } |
| 3321 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3322 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3323 | static FT_Renderer |
| 3324 | ft_lookup_glyph_renderer( FT_GlyphSlot slot ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3325 | { |
| 3326 | FT_Face face = slot->face; |
| 3327 | FT_Library library = FT_FACE_LIBRARY( face ); |
| 3328 | FT_Renderer result = library->cur_renderer; |
| 3329 | |
| 3330 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3331 | if ( !result || result->glyph_format != slot->format ) |
David Turner | 81bb4ad | 2000-06-28 04:19:49 +0000 | [diff] [blame] | 3332 | result = FT_Lookup_Renderer( library, slot->format, 0 ); |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 3333 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3334 | return result; |
| 3335 | } |
| 3336 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3337 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3338 | static void |
| 3339 | ft_set_current_renderer( FT_Library library ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3340 | { |
| 3341 | FT_Renderer renderer; |
| 3342 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3343 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3344 | renderer = FT_Lookup_Renderer( library, FT_GLYPH_FORMAT_OUTLINE, 0 ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3345 | library->cur_renderer = renderer; |
| 3346 | } |
| 3347 | |
| 3348 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3349 | static FT_Error |
| 3350 | ft_add_renderer( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3351 | { |
| 3352 | FT_Library library = module->library; |
| 3353 | FT_Memory memory = library->memory; |
| 3354 | FT_Error error; |
| 3355 | FT_ListNode node; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3356 | |
| 3357 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3358 | if ( FT_NEW( node ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3359 | goto Exit; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3360 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3361 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3362 | FT_Renderer render = FT_RENDERER( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3363 | FT_Renderer_Class* clazz = (FT_Renderer_Class*)module->clazz; |
| 3364 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3365 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3366 | render->clazz = clazz; |
| 3367 | render->glyph_format = clazz->glyph_format; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3368 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3369 | /* allocate raster object if needed */ |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3370 | if ( clazz->glyph_format == FT_GLYPH_FORMAT_OUTLINE && |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3371 | clazz->raster_class->raster_new ) |
| 3372 | { |
| 3373 | error = clazz->raster_class->raster_new( memory, &render->raster ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3374 | if ( error ) |
| 3375 | goto Fail; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3376 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3377 | render->raster_render = clazz->raster_class->raster_render; |
| 3378 | render->render = clazz->render_glyph; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3379 | } |
| 3380 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3381 | /* add to list */ |
| 3382 | node->data = module; |
| 3383 | FT_List_Add( &library->renderers, node ); |
| 3384 | |
| 3385 | ft_set_current_renderer( library ); |
| 3386 | } |
| 3387 | |
| 3388 | Fail: |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3389 | if ( error ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3390 | FT_FREE( node ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3391 | |
| 3392 | Exit: |
| 3393 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3394 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3395 | |
| 3396 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3397 | static void |
| 3398 | ft_remove_renderer( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3399 | { |
| 3400 | FT_Library library = module->library; |
| 3401 | FT_Memory memory = library->memory; |
| 3402 | FT_ListNode node; |
| 3403 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3404 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3405 | node = FT_List_Find( &library->renderers, module ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3406 | if ( node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3407 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3408 | FT_Renderer render = FT_RENDERER( module ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3409 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3410 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3411 | /* release raster object, if any */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3412 | if ( render->raster ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3413 | render->clazz->raster_class->raster_done( render->raster ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3414 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3415 | /* remove from list */ |
| 3416 | FT_List_Remove( &library->renderers, node ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3417 | FT_FREE( node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3418 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3419 | ft_set_current_renderer( library ); |
| 3420 | } |
| 3421 | } |
| 3422 | |
| 3423 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3424 | /* documentation is in ftrender.h */ |
| 3425 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3426 | FT_EXPORT_DEF( FT_Renderer ) |
| 3427 | FT_Get_Renderer( FT_Library library, |
| 3428 | FT_Glyph_Format format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3429 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3430 | /* test for valid `library' delayed to FT_Lookup_Renderer() */ |
| 3431 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3432 | return FT_Lookup_Renderer( library, format, 0 ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3433 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3434 | |
| 3435 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3436 | /* documentation is in ftrender.h */ |
| 3437 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3438 | FT_EXPORT_DEF( FT_Error ) |
| 3439 | FT_Set_Renderer( FT_Library library, |
| 3440 | FT_Renderer renderer, |
| 3441 | FT_UInt num_params, |
| 3442 | FT_Parameter* parameters ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3443 | { |
| 3444 | FT_ListNode node; |
| 3445 | FT_Error error = FT_Err_Ok; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3446 | |
| 3447 | |
| 3448 | if ( !library ) |
| 3449 | return FT_Err_Invalid_Library_Handle; |
| 3450 | |
| 3451 | if ( !renderer ) |
| 3452 | return FT_Err_Invalid_Argument; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3453 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3454 | node = FT_List_Find( &library->renderers, renderer ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3455 | if ( !node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3456 | { |
| 3457 | error = FT_Err_Invalid_Argument; |
| 3458 | goto Exit; |
| 3459 | } |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3460 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3461 | FT_List_Up( &library->renderers, node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3462 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3463 | if ( renderer->glyph_format == FT_GLYPH_FORMAT_OUTLINE ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3464 | library->cur_renderer = renderer; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3465 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3466 | if ( num_params > 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3467 | { |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3468 | FT_Renderer_SetModeFunc set_mode = renderer->clazz->set_mode; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3469 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3470 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3471 | for ( ; num_params > 0; num_params-- ) |
| 3472 | { |
| 3473 | error = set_mode( renderer, parameters->tag, parameters->data ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3474 | if ( error ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3475 | break; |
| 3476 | } |
| 3477 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3478 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3479 | Exit: |
| 3480 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3481 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3482 | |
| 3483 | |
David Turner | 7504e48 | 2002-06-07 07:24:55 +0000 | [diff] [blame] | 3484 | FT_BASE_DEF( FT_Error ) |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 3485 | FT_Render_Glyph_Internal( FT_Library library, |
| 3486 | FT_GlyphSlot slot, |
| 3487 | FT_Render_Mode render_mode ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3488 | { |
| 3489 | FT_Error error = FT_Err_Ok; |
| 3490 | FT_Renderer renderer; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3491 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3492 | |
| 3493 | /* if it is already a bitmap, no need to do anything */ |
| 3494 | switch ( slot->format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3495 | { |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3496 | case FT_GLYPH_FORMAT_BITMAP: /* already a bitmap, don't do anything */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3497 | break; |
| 3498 | |
| 3499 | default: |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3500 | { |
| 3501 | FT_ListNode node = 0; |
| 3502 | FT_Bool update = 0; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3503 | |
| 3504 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3505 | /* small shortcut for the very common case */ |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3506 | if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3507 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3508 | renderer = library->cur_renderer; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3509 | node = library->renderers.head; |
| 3510 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3511 | else |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3512 | renderer = FT_Lookup_Renderer( library, slot->format, &node ); |
| 3513 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3514 | error = FT_Err_Unimplemented_Feature; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3515 | while ( renderer ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3516 | { |
David Turner | c8ad30a | 2001-12-05 17:24:34 +0000 | [diff] [blame] | 3517 | error = renderer->render( renderer, slot, render_mode, NULL ); |
Werner Lemberg | 7986070 | 2001-06-08 21:17:29 +0000 | [diff] [blame] | 3518 | if ( !error || |
| 3519 | FT_ERROR_BASE( error ) != FT_Err_Cannot_Render_Glyph ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3520 | break; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3521 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3522 | /* FT_Err_Cannot_Render_Glyph is returned if the render mode */ |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3523 | /* is unsupported by the current renderer for this glyph image */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3524 | /* format. */ |
| 3525 | |
| 3526 | /* now, look for another renderer that supports the same */ |
| 3527 | /* format. */ |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3528 | renderer = FT_Lookup_Renderer( library, slot->format, &node ); |
| 3529 | update = 1; |
| 3530 | } |
| 3531 | |
| 3532 | /* if we changed the current renderer for the glyph image format */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3533 | /* we need to select it as the next current one */ |
| 3534 | if ( !error && update && renderer ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3535 | FT_Set_Renderer( library, renderer, 0, 0 ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3536 | } |
| 3537 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3538 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3539 | return error; |
| 3540 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3541 | |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3542 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3543 | /* documentation is in freetype.h */ |
| 3544 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3545 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 3546 | FT_Render_Glyph( FT_GlyphSlot slot, |
| 3547 | FT_Render_Mode render_mode ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3548 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3549 | FT_Library library; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3550 | |
| 3551 | |
| 3552 | if ( !slot ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3553 | return FT_Err_Invalid_Argument; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3554 | |
| 3555 | library = FT_FACE_LIBRARY( slot->face ); |
| 3556 | |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3557 | return FT_Render_Glyph_Internal( library, slot, render_mode ); |
| 3558 | } |
| 3559 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3560 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3561 | /*************************************************************************/ |
| 3562 | /*************************************************************************/ |
| 3563 | /*************************************************************************/ |
| 3564 | /**** ****/ |
| 3565 | /**** ****/ |
| 3566 | /**** M O D U L E S ****/ |
| 3567 | /**** ****/ |
| 3568 | /**** ****/ |
| 3569 | /*************************************************************************/ |
| 3570 | /*************************************************************************/ |
| 3571 | /*************************************************************************/ |
| 3572 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3573 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3574 | /*************************************************************************/ |
| 3575 | /* */ |
| 3576 | /* <Function> */ |
| 3577 | /* Destroy_Module */ |
| 3578 | /* */ |
| 3579 | /* <Description> */ |
| 3580 | /* Destroys a given module object. For drivers, this also destroys */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3581 | /* all child faces. */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3582 | /* */ |
| 3583 | /* <InOut> */ |
| 3584 | /* module :: A handle to the target driver object. */ |
| 3585 | /* */ |
| 3586 | /* <Note> */ |
| 3587 | /* The driver _must_ be LOCKED! */ |
| 3588 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3589 | static void |
| 3590 | Destroy_Module( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3591 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 3592 | FT_Memory memory = module->memory; |
| 3593 | FT_Module_Class* clazz = module->clazz; |
| 3594 | FT_Library library = module->library; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3595 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3596 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3597 | /* finalize client-data - before anything else */ |
| 3598 | if ( module->generic.finalizer ) |
| 3599 | module->generic.finalizer( module ); |
| 3600 | |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 3601 | if ( library && library->auto_hinter == module ) |
| 3602 | library->auto_hinter = 0; |
| 3603 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3604 | /* if the module is a renderer */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3605 | if ( FT_MODULE_IS_RENDERER( module ) ) |
| 3606 | ft_remove_renderer( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3607 | |
| 3608 | /* if the module is a font driver, add some steps */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3609 | if ( FT_MODULE_IS_DRIVER( module ) ) |
| 3610 | Destroy_Driver( FT_DRIVER( module ) ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3611 | |
| 3612 | /* finalize the module object */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3613 | if ( clazz->module_done ) |
| 3614 | clazz->module_done( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3615 | |
| 3616 | /* discard it */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3617 | FT_FREE( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3618 | } |
| 3619 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3620 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 3621 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3622 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3623 | FT_EXPORT_DEF( FT_Error ) |
| 3624 | FT_Add_Module( FT_Library library, |
| 3625 | const FT_Module_Class* clazz ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3626 | { |
| 3627 | FT_Error error; |
| 3628 | FT_Memory memory; |
| 3629 | FT_Module module; |
| 3630 | FT_UInt nn; |
| 3631 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3632 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3633 | #define FREETYPE_VER_FIXED ( ( (FT_Long)FREETYPE_MAJOR << 16 ) | \ |
| 3634 | FREETYPE_MINOR ) |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3635 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3636 | if ( !library ) |
| 3637 | return FT_Err_Invalid_Library_Handle; |
| 3638 | |
| 3639 | if ( !clazz ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3640 | return FT_Err_Invalid_Argument; |
| 3641 | |
| 3642 | /* check freetype version */ |
| 3643 | if ( clazz->module_requires > FREETYPE_VER_FIXED ) |
| 3644 | return FT_Err_Invalid_Version; |
| 3645 | |
| 3646 | /* look for a module with the same name in the library's table */ |
| 3647 | for ( nn = 0; nn < library->num_modules; nn++ ) |
| 3648 | { |
| 3649 | module = library->modules[nn]; |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 3650 | if ( ft_strcmp( module->clazz->module_name, clazz->module_name ) == 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3651 | { |
| 3652 | /* this installed module has the same name, compare their versions */ |
| 3653 | if ( clazz->module_version <= module->clazz->module_version ) |
| 3654 | return FT_Err_Lower_Module_Version; |
| 3655 | |
| 3656 | /* remove the module from our list, then exit the loop to replace */ |
| 3657 | /* it by our new version.. */ |
| 3658 | FT_Remove_Module( library, module ); |
| 3659 | break; |
| 3660 | } |
| 3661 | } |
| 3662 | |
| 3663 | memory = library->memory; |
| 3664 | error = FT_Err_Ok; |
| 3665 | |
| 3666 | if ( library->num_modules >= FT_MAX_MODULES ) |
| 3667 | { |
| 3668 | error = FT_Err_Too_Many_Drivers; |
| 3669 | goto Exit; |
| 3670 | } |
| 3671 | |
| 3672 | /* allocate module object */ |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 3673 | if ( FT_ALLOC( module, clazz->module_size ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3674 | goto Exit; |
| 3675 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3676 | /* base initialization */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3677 | module->library = library; |
| 3678 | module->memory = memory; |
| 3679 | module->clazz = (FT_Module_Class*)clazz; |
| 3680 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3681 | /* check whether the module is a renderer - this must be performed */ |
| 3682 | /* before the normal module initialization */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3683 | if ( FT_MODULE_IS_RENDERER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3684 | { |
| 3685 | /* add to the renderers list */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3686 | error = ft_add_renderer( module ); |
| 3687 | if ( error ) |
| 3688 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3689 | } |
| 3690 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 3691 | /* is the module a auto-hinter? */ |
| 3692 | if ( FT_MODULE_IS_HINTER( module ) ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 3693 | library->auto_hinter = module; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 3694 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3695 | /* if the module is a font driver */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3696 | if ( FT_MODULE_IS_DRIVER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3697 | { |
| 3698 | /* allocate glyph loader if needed */ |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3699 | FT_Driver driver = FT_DRIVER( module ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3700 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3701 | |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 3702 | driver->clazz = (FT_Driver_Class)module->clazz; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3703 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3704 | { |
| 3705 | error = FT_GlyphLoader_New( memory, &driver->glyph_loader ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3706 | if ( error ) |
| 3707 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3708 | } |
| 3709 | } |
| 3710 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3711 | if ( clazz->module_init ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3712 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3713 | error = clazz->module_init( module ); |
| 3714 | if ( error ) |
| 3715 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3716 | } |
| 3717 | |
| 3718 | /* add module to the library's table */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3719 | library->modules[library->num_modules++] = module; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3720 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3721 | Exit: |
| 3722 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3723 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3724 | Fail: |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3725 | if ( FT_MODULE_IS_DRIVER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3726 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3727 | FT_Driver driver = FT_DRIVER( module ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3728 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3729 | |
| 3730 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3731 | FT_GlyphLoader_Done( driver->glyph_loader ); |
| 3732 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3733 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3734 | if ( FT_MODULE_IS_RENDERER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3735 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3736 | FT_Renderer renderer = FT_RENDERER( module ); |
| 3737 | |
| 3738 | |
| 3739 | if ( renderer->raster ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3740 | renderer->clazz->raster_class->raster_done( renderer->raster ); |
| 3741 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3742 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3743 | FT_FREE( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3744 | goto Exit; |
| 3745 | } |
| 3746 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3747 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 3748 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3749 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3750 | FT_EXPORT_DEF( FT_Module ) |
| 3751 | FT_Get_Module( FT_Library library, |
| 3752 | const char* module_name ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3753 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3754 | FT_Module result = 0; |
| 3755 | FT_Module* cur; |
| 3756 | FT_Module* limit; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3757 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3758 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3759 | if ( !library || !module_name ) |
| 3760 | return result; |
| 3761 | |
| 3762 | cur = library->modules; |
| 3763 | limit = cur + library->num_modules; |
| 3764 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3765 | for ( ; cur < limit; cur++ ) |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 3766 | if ( ft_strcmp( cur[0]->clazz->module_name, module_name ) == 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3767 | { |
| 3768 | result = cur[0]; |
| 3769 | break; |
| 3770 | } |
| 3771 | |
| 3772 | return result; |
| 3773 | } |
| 3774 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3775 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 3776 | /* documentation is in ftobjs.h */ |
| 3777 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3778 | FT_BASE_DEF( const void* ) |
| 3779 | FT_Get_Module_Interface( FT_Library library, |
| 3780 | const char* mod_name ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3781 | { |
| 3782 | FT_Module module; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3783 | |
| 3784 | |
| 3785 | /* test for valid `library' delayed to FT_Get_Module() */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3786 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3787 | module = FT_Get_Module( library, mod_name ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3788 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3789 | return module ? module->clazz->module_interface : 0; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3790 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3791 | |
| 3792 | |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 3793 | FT_BASE_DEF( FT_Pointer ) |
| 3794 | ft_module_get_service( FT_Module module, |
| 3795 | const char* service_id ) |
| 3796 | { |
| 3797 | FT_Pointer result = NULL; |
| 3798 | |
| 3799 | if ( module ) |
| 3800 | { |
| 3801 | FT_ASSERT( module->clazz && module->clazz->get_interface ); |
| 3802 | |
| 3803 | /* first, look for the service in the module |
| 3804 | */ |
| 3805 | if ( module->clazz->get_interface ) |
| 3806 | result = module->clazz->get_interface( module, service_id ); |
| 3807 | |
| 3808 | if ( result == NULL ) |
| 3809 | { |
| 3810 | /* we didn't find it, look in all other modules then |
| 3811 | */ |
| 3812 | FT_Library library = module->library; |
| 3813 | FT_Module* cur = library->modules; |
| 3814 | FT_Module* limit = cur + library->num_modules; |
| 3815 | |
| 3816 | for ( ; cur < limit; cur++ ) |
| 3817 | { |
| 3818 | if ( cur[0] != module ) |
| 3819 | { |
| 3820 | FT_ASSERT( cur[0]->clazz ); |
| 3821 | |
| 3822 | if ( cur[0]->clazz->get_interface ) |
| 3823 | { |
| 3824 | result = cur[0]->clazz->get_interface( cur[0], service_id ); |
| 3825 | if ( result != NULL ) |
| 3826 | break; |
| 3827 | } |
| 3828 | } |
| 3829 | } |
| 3830 | } |
| 3831 | } |
| 3832 | |
| 3833 | return result; |
| 3834 | } |
| 3835 | |
| 3836 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 3837 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3838 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3839 | FT_EXPORT_DEF( FT_Error ) |
| 3840 | FT_Remove_Module( FT_Library library, |
| 3841 | FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3842 | { |
| 3843 | /* 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] | 3844 | |
| 3845 | if ( !library ) |
| 3846 | return FT_Err_Invalid_Library_Handle; |
| 3847 | |
| 3848 | if ( module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3849 | { |
| 3850 | FT_Module* cur = library->modules; |
| 3851 | FT_Module* limit = cur + library->num_modules; |
| 3852 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3853 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3854 | for ( ; cur < limit; cur++ ) |
| 3855 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3856 | if ( cur[0] == module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3857 | { |
| 3858 | /* remove it from the table */ |
| 3859 | library->num_modules--; |
| 3860 | limit--; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3861 | while ( cur < limit ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3862 | { |
| 3863 | cur[0] = cur[1]; |
| 3864 | cur++; |
| 3865 | } |
| 3866 | limit[0] = 0; |
| 3867 | |
| 3868 | /* destroy the module */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3869 | Destroy_Module( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3870 | |
| 3871 | return FT_Err_Ok; |
| 3872 | } |
| 3873 | } |
| 3874 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 3875 | return FT_Err_Invalid_Driver_Handle; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3876 | } |
| 3877 | |
| 3878 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3879 | /*************************************************************************/ |
| 3880 | /*************************************************************************/ |
| 3881 | /*************************************************************************/ |
| 3882 | /**** ****/ |
| 3883 | /**** ****/ |
| 3884 | /**** L I B R A R Y ****/ |
| 3885 | /**** ****/ |
| 3886 | /**** ****/ |
| 3887 | /*************************************************************************/ |
| 3888 | /*************************************************************************/ |
| 3889 | /*************************************************************************/ |
| 3890 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3891 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 3892 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3893 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3894 | FT_EXPORT_DEF( FT_Error ) |
| 3895 | FT_New_Library( FT_Memory memory, |
| 3896 | FT_Library *alibrary ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3897 | { |
| 3898 | FT_Library library = 0; |
| 3899 | FT_Error error; |
| 3900 | |
| 3901 | |
| 3902 | if ( !memory ) |
| 3903 | return FT_Err_Invalid_Argument; |
| 3904 | |
David Turner | f574960 | 2002-04-18 10:07:26 +0000 | [diff] [blame] | 3905 | #ifdef FT_DEBUG_LEVEL_ERROR |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 3906 | /* init debugging support */ |
| 3907 | ft_debug_init(); |
David Turner | f574960 | 2002-04-18 10:07:26 +0000 | [diff] [blame] | 3908 | #endif |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 3909 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3910 | /* first of all, allocate the library object */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3911 | if ( FT_NEW( library ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3912 | return error; |
| 3913 | |
| 3914 | library->memory = memory; |
| 3915 | |
| 3916 | /* allocate the render pool */ |
| 3917 | library->raster_pool_size = FT_RENDER_POOL_SIZE; |
Werner Lemberg | 39c91ad | 2007-07-28 05:40:40 +0000 | [diff] [blame] | 3918 | #if FT_RENDER_POOL_SIZE > 0 |
| 3919 | if ( FT_ALLOC( library->raster_pool, FT_RENDER_POOL_SIZE ) ) |
| 3920 | goto Fail; |
| 3921 | #endif |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3922 | |
| 3923 | /* That's ok now */ |
| 3924 | *alibrary = library; |
| 3925 | |
| 3926 | return FT_Err_Ok; |
| 3927 | |
| 3928 | Fail: |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3929 | FT_FREE( library ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3930 | return error; |
| 3931 | } |
| 3932 | |
| 3933 | |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3934 | /* documentation is in freetype.h */ |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 3935 | |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3936 | FT_EXPORT_DEF( void ) |
| 3937 | FT_Library_Version( FT_Library library, |
| 3938 | FT_Int *amajor, |
| 3939 | FT_Int *aminor, |
| 3940 | FT_Int *apatch ) |
| 3941 | { |
| 3942 | FT_Int major = 0; |
| 3943 | FT_Int minor = 0; |
| 3944 | FT_Int patch = 0; |
| 3945 | |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 3946 | |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3947 | if ( library ) |
| 3948 | { |
| 3949 | major = library->version_major; |
| 3950 | minor = library->version_minor; |
| 3951 | patch = library->version_patch; |
| 3952 | } |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 3953 | |
David Turner | d48575e | 2002-09-18 23:18:36 +0000 | [diff] [blame] | 3954 | if ( amajor ) |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3955 | *amajor = major; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 3956 | |
David Turner | d48575e | 2002-09-18 23:18:36 +0000 | [diff] [blame] | 3957 | if ( aminor ) |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3958 | *aminor = minor; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 3959 | |
David Turner | d48575e | 2002-09-18 23:18:36 +0000 | [diff] [blame] | 3960 | if ( apatch ) |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3961 | *apatch = patch; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 3962 | } |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3963 | |
| 3964 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 3965 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3966 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3967 | FT_EXPORT_DEF( FT_Error ) |
| 3968 | FT_Done_Library( FT_Library library ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3969 | { |
| 3970 | FT_Memory memory; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3971 | |
| 3972 | |
| 3973 | if ( !library ) |
| 3974 | return FT_Err_Invalid_Library_Handle; |
| 3975 | |
| 3976 | memory = library->memory; |
| 3977 | |
| 3978 | /* Discard client-data */ |
| 3979 | if ( library->generic.finalizer ) |
| 3980 | library->generic.finalizer( library ); |
| 3981 | |
Werner Lemberg | 4ea0a7f | 2007-01-05 09:03:31 +0000 | [diff] [blame] | 3982 | /* Close all faces in the library. If we don't do |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 3983 | * this, we can have some subtle memory leaks. |
Werner Lemberg | 4ea0a7f | 2007-01-05 09:03:31 +0000 | [diff] [blame] | 3984 | * Example: |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 3985 | * |
| 3986 | * - the cff font driver uses the pshinter module in cff_size_done |
| 3987 | * - if the pshinter module is destroyed before the cff font driver, |
Werner Lemberg | 4ea0a7f | 2007-01-05 09:03:31 +0000 | [diff] [blame] | 3988 | * opened FT_Face objects managed by the driver are not properly |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 3989 | * destroyed, resulting in a memory leak |
| 3990 | */ |
| 3991 | { |
| 3992 | FT_UInt n; |
| 3993 | |
Werner Lemberg | 4ea0a7f | 2007-01-05 09:03:31 +0000 | [diff] [blame] | 3994 | |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 3995 | for ( n = 0; n < library->num_modules; n++ ) |
| 3996 | { |
| 3997 | FT_Module module = library->modules[n]; |
| 3998 | FT_List faces; |
| 3999 | |
Werner Lemberg | 4ea0a7f | 2007-01-05 09:03:31 +0000 | [diff] [blame] | 4000 | |
| 4001 | if ( ( module->clazz->module_flags & FT_MODULE_FONT_DRIVER ) == 0 ) |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 4002 | continue; |
| 4003 | |
| 4004 | faces = &FT_DRIVER(module)->faces_list; |
Werner Lemberg | 4ea0a7f | 2007-01-05 09:03:31 +0000 | [diff] [blame] | 4005 | while ( faces->head ) |
| 4006 | FT_Done_Face( FT_FACE( faces->head->data ) ); |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 4007 | } |
| 4008 | } |
| 4009 | |
David Turner | a8cf42b | 2007-01-04 16:46:46 +0000 | [diff] [blame] | 4010 | /* Close all other modules in the library */ |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 4011 | #if 1 |
Wu, Chia-I (吳佳一) | a87b08a | 2006-02-28 09:53:23 +0000 | [diff] [blame] | 4012 | /* XXX Modules are removed in the reversed order so that */ |
David Turner | 2b21a93 | 2006-08-16 09:24:32 +0000 | [diff] [blame] | 4013 | /* type42 module is removed before truetype module. This */ |
Wu, Chia-I (吳佳一) | a87b08a | 2006-02-28 09:53:23 +0000 | [diff] [blame] | 4014 | /* avoids double free in some occasions. It is a hack. */ |
David Turner | c808748 | 2001-12-20 13:14:18 +0000 | [diff] [blame] | 4015 | while ( library->num_modules > 0 ) |
Wu, Chia-I (吳佳一) | a87b08a | 2006-02-28 09:53:23 +0000 | [diff] [blame] | 4016 | FT_Remove_Module( library, |
| 4017 | library->modules[library->num_modules - 1] ); |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 4018 | #else |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4019 | { |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 4020 | FT_UInt n; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4021 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 4022 | |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 4023 | for ( n = 0; n < library->num_modules; n++ ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4024 | { |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 4025 | FT_Module module = library->modules[n]; |
| 4026 | |
| 4027 | |
| 4028 | if ( module ) |
| 4029 | { |
| 4030 | Destroy_Module( module ); |
| 4031 | library->modules[n] = 0; |
| 4032 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4033 | } |
| 4034 | } |
David Turner | c808748 | 2001-12-20 13:14:18 +0000 | [diff] [blame] | 4035 | #endif |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4036 | |
| 4037 | /* Destroy raster objects */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 4038 | FT_FREE( library->raster_pool ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4039 | library->raster_pool_size = 0; |
| 4040 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 4041 | FT_FREE( library ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4042 | return FT_Err_Ok; |
| 4043 | } |
| 4044 | |
| 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( void ) |
| 4049 | FT_Set_Debug_Hook( FT_Library library, |
| 4050 | FT_UInt hook_index, |
| 4051 | FT_DebugHook_Func debug_hook ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4052 | { |
| 4053 | if ( library && debug_hook && |
| 4054 | hook_index < |
| 4055 | ( sizeof ( library->debug_hooks ) / sizeof ( void* ) ) ) |
| 4056 | library->debug_hooks[hook_index] = debug_hook; |
| 4057 | } |
| 4058 | |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4059 | |
David Turner | 0b5dc4d | 2006-02-21 22:36:23 +0000 | [diff] [blame] | 4060 | /* documentation is in ftmodapi.h */ |
| 4061 | |
| 4062 | FT_EXPORT_DEF( FT_TrueTypeEngineType ) |
| 4063 | FT_Get_TrueType_Engine_Type( FT_Library library ) |
| 4064 | { |
| 4065 | FT_TrueTypeEngineType result = FT_TRUETYPE_ENGINE_TYPE_NONE; |
| 4066 | |
Werner Lemberg | 5edafed | 2006-02-22 08:23:35 +0000 | [diff] [blame] | 4067 | |
David Turner | 0b5dc4d | 2006-02-21 22:36:23 +0000 | [diff] [blame] | 4068 | if ( library ) |
| 4069 | { |
| 4070 | FT_Module module = FT_Get_Module( library, "truetype" ); |
| 4071 | |
Werner Lemberg | 5edafed | 2006-02-22 08:23:35 +0000 | [diff] [blame] | 4072 | |
David Turner | 0b5dc4d | 2006-02-21 22:36:23 +0000 | [diff] [blame] | 4073 | if ( module ) |
| 4074 | { |
| 4075 | FT_Service_TrueTypeEngine service; |
| 4076 | |
Werner Lemberg | 5edafed | 2006-02-22 08:23:35 +0000 | [diff] [blame] | 4077 | |
David Turner | 6c71c6b | 2006-02-25 12:49:40 +0000 | [diff] [blame] | 4078 | service = (FT_Service_TrueTypeEngine) |
| 4079 | ft_module_get_service( module, |
| 4080 | FT_SERVICE_ID_TRUETYPE_ENGINE ); |
David Turner | 0b5dc4d | 2006-02-21 22:36:23 +0000 | [diff] [blame] | 4081 | if ( service ) |
| 4082 | result = service->engine_type; |
| 4083 | } |
| 4084 | } |
Werner Lemberg | 5edafed | 2006-02-22 08:23:35 +0000 | [diff] [blame] | 4085 | |
David Turner | 0b5dc4d | 2006-02-21 22:36:23 +0000 | [diff] [blame] | 4086 | return result; |
| 4087 | } |
| 4088 | |
Werner Lemberg | 5edafed | 2006-02-22 08:23:35 +0000 | [diff] [blame] | 4089 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4090 | #ifdef FT_CONFIG_OPTION_OLD_INTERNALS |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4091 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4092 | FT_BASE_DEF( FT_Error ) |
| 4093 | ft_stub_set_char_sizes( FT_Size size, |
| 4094 | FT_F26Dot6 width, |
| 4095 | FT_F26Dot6 height, |
| 4096 | FT_UInt horz_res, |
| 4097 | FT_UInt vert_res ) |
| 4098 | { |
| 4099 | FT_Size_RequestRec req; |
| 4100 | FT_Driver driver = size->face->driver; |
| 4101 | |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4102 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4103 | if ( driver->clazz->request_size ) |
| 4104 | { |
| 4105 | req.type = FT_SIZE_REQUEST_TYPE_NOMINAL; |
| 4106 | req.width = width; |
| 4107 | req.height = height; |
| 4108 | |
| 4109 | if ( horz_res == 0 ) |
| 4110 | horz_res = vert_res; |
| 4111 | |
| 4112 | if ( vert_res == 0 ) |
| 4113 | vert_res = horz_res; |
| 4114 | |
| 4115 | if ( horz_res == 0 ) |
| 4116 | horz_res = vert_res = 72; |
| 4117 | |
| 4118 | req.horiResolution = horz_res; |
| 4119 | req.vertResolution = vert_res; |
| 4120 | |
| 4121 | return driver->clazz->request_size( size, &req ); |
| 4122 | } |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4123 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4124 | return 0; |
| 4125 | } |
| 4126 | |
| 4127 | |
| 4128 | FT_BASE_DEF( FT_Error ) |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4129 | ft_stub_set_pixel_sizes( FT_Size size, |
| 4130 | FT_UInt width, |
| 4131 | FT_UInt height ) |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4132 | { |
| 4133 | FT_Size_RequestRec req; |
| 4134 | FT_Driver driver = size->face->driver; |
| 4135 | |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4136 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4137 | if ( driver->clazz->request_size ) |
| 4138 | { |
| 4139 | req.type = FT_SIZE_REQUEST_TYPE_NOMINAL; |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4140 | req.width = width << 6; |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4141 | req.height = height << 6; |
| 4142 | req.horiResolution = 0; |
| 4143 | req.vertResolution = 0; |
| 4144 | |
| 4145 | return driver->clazz->request_size( size, &req ); |
| 4146 | } |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4147 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4148 | return 0; |
| 4149 | } |
Werner Lemberg | 8e6f8c4 | 2006-02-17 08:07:09 +0000 | [diff] [blame] | 4150 | |
David Turner | cda2d95 | 2006-02-16 22:45:31 +0000 | [diff] [blame] | 4151 | #endif /* FT_CONFIG_OPTION_OLD_INTERNALS */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 4152 | |
David Turner | 2b21a93 | 2006-08-16 09:24:32 +0000 | [diff] [blame] | 4153 | |
David Turner | 2ce9203 | 2006-03-23 20:58:20 +0000 | [diff] [blame] | 4154 | FT_EXPORT_DEF( FT_Error ) |
| 4155 | FT_Get_SubGlyph_Info( FT_GlyphSlot glyph, |
| 4156 | FT_UInt sub_index, |
Werner Lemberg | 4db32ec | 2006-03-24 11:54:53 +0000 | [diff] [blame] | 4157 | FT_Int *p_index, |
| 4158 | FT_UInt *p_flags, |
| 4159 | FT_Int *p_arg1, |
| 4160 | FT_Int *p_arg2, |
| 4161 | FT_Matrix *p_transform ) |
David Turner | 2ce9203 | 2006-03-23 20:58:20 +0000 | [diff] [blame] | 4162 | { |
Werner Lemberg | 4db32ec | 2006-03-24 11:54:53 +0000 | [diff] [blame] | 4163 | FT_Error error = FT_Err_Invalid_Argument; |
Werner Lemberg | 4db32ec | 2006-03-24 11:54:53 +0000 | [diff] [blame] | 4164 | |
David Turner | 2b21a93 | 2006-08-16 09:24:32 +0000 | [diff] [blame] | 4165 | |
| 4166 | if ( glyph != NULL && |
Werner Lemberg | 4db32ec | 2006-03-24 11:54:53 +0000 | [diff] [blame] | 4167 | glyph->format == FT_GLYPH_FORMAT_COMPOSITE && |
| 4168 | sub_index < glyph->num_subglyphs ) |
| 4169 | { |
David Turner | 2ce9203 | 2006-03-23 20:58:20 +0000 | [diff] [blame] | 4170 | FT_SubGlyph subg = glyph->subglyphs + sub_index; |
David Turner | 2b21a93 | 2006-08-16 09:24:32 +0000 | [diff] [blame] | 4171 | |
Werner Lemberg | 4db32ec | 2006-03-24 11:54:53 +0000 | [diff] [blame] | 4172 | |
| 4173 | *p_index = subg->index; |
| 4174 | *p_flags = subg->flags; |
| 4175 | *p_arg1 = subg->arg1; |
| 4176 | *p_arg2 = subg->arg2; |
| 4177 | *p_transform = subg->transform; |
| 4178 | } |
| 4179 | |
| 4180 | return error; |
David Turner | 2ce9203 | 2006-03-23 20:58:20 +0000 | [diff] [blame] | 4181 | } |
| 4182 | |
Werner Lemberg | 4db32ec | 2006-03-24 11:54:53 +0000 | [diff] [blame] | 4183 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 4184 | /* END */ |