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 | 6cdab92 | 2006-01-08 22:34:01 +0000 | [diff] [blame] | 7 | /* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006 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 | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 37 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 38 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 39 | FT_BASE_DEF( FT_Pointer ) |
| 40 | ft_service_list_lookup( FT_ServiceDesc service_descriptors, |
| 41 | const char* service_id ) |
| 42 | { |
| 43 | FT_Pointer result = NULL; |
| 44 | FT_ServiceDesc desc = service_descriptors; |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 45 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 46 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 47 | if ( desc && service_id ) |
| 48 | { |
| 49 | for ( ; desc->serv_id != NULL; desc++ ) |
| 50 | { |
| 51 | if ( ft_strcmp( desc->serv_id, service_id ) == 0 ) |
| 52 | { |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 53 | result = (FT_Pointer)desc->serv_data; |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 54 | break; |
| 55 | } |
| 56 | } |
| 57 | } |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 58 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 59 | return result; |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 60 | } |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 61 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 62 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 63 | FT_BASE_DEF( void ) |
| 64 | ft_validator_init( FT_Validator valid, |
| 65 | const FT_Byte* base, |
| 66 | const FT_Byte* limit, |
| 67 | FT_ValidationLevel level ) |
| 68 | { |
| 69 | valid->base = base; |
| 70 | valid->limit = limit; |
| 71 | valid->level = level; |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 72 | valid->error = FT_Err_Ok; |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 73 | } |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 74 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 75 | |
| 76 | FT_BASE_DEF( FT_Int ) |
| 77 | ft_validator_run( FT_Validator valid ) |
| 78 | { |
| 79 | int result; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 80 | |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 81 | |
| 82 | result = ft_setjmp( valid->jump_buffer ); |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 83 | return result; |
| 84 | } |
| 85 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 86 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 87 | FT_BASE_DEF( void ) |
| 88 | ft_validator_error( FT_Validator valid, |
| 89 | FT_Error error ) |
| 90 | { |
| 91 | valid->error = error; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 92 | ft_longjmp( valid->jump_buffer, 1 ); |
| 93 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 94 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 95 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 96 | /*************************************************************************/ |
| 97 | /*************************************************************************/ |
| 98 | /*************************************************************************/ |
| 99 | /**** ****/ |
| 100 | /**** ****/ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 101 | /**** S T R E A M ****/ |
| 102 | /**** ****/ |
| 103 | /**** ****/ |
| 104 | /*************************************************************************/ |
| 105 | /*************************************************************************/ |
| 106 | /*************************************************************************/ |
| 107 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 108 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 109 | /* create a new input stream from an FT_Open_Args structure */ |
| 110 | /* */ |
| 111 | FT_BASE_DEF( FT_Error ) |
| 112 | FT_Stream_New( FT_Library library, |
| 113 | const FT_Open_Args* args, |
| 114 | FT_Stream *astream ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 115 | { |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 116 | FT_Error error; |
| 117 | FT_Memory memory; |
| 118 | FT_Stream stream; |
| 119 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 120 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 121 | if ( !library ) |
| 122 | return FT_Err_Invalid_Library_Handle; |
| 123 | |
| 124 | if ( !args ) |
| 125 | return FT_Err_Invalid_Argument; |
| 126 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 127 | *astream = 0; |
| 128 | memory = library->memory; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 129 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 130 | if ( FT_NEW( stream ) ) |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 131 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 132 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 133 | stream->memory = memory; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 134 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 135 | if ( args->flags & FT_OPEN_MEMORY ) |
Just van Rossum | d35aea7 | 2000-03-02 01:07:50 +0000 | [diff] [blame] | 136 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 137 | /* create a memory-based stream */ |
David Turner | 7d3a264 | 2002-03-20 10:49:31 +0000 | [diff] [blame] | 138 | FT_Stream_OpenMemory( stream, |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 139 | (const FT_Byte*)args->memory_base, |
| 140 | args->memory_size ); |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 141 | } |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 142 | else if ( args->flags & FT_OPEN_PATHNAME ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 143 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 144 | /* create a normal system stream */ |
| 145 | error = FT_Stream_Open( stream, args->pathname ); |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 146 | stream->pathname.pointer = args->pathname; |
| 147 | } |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 148 | else if ( ( args->flags & FT_OPEN_STREAM ) && args->stream ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 149 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 150 | /* use an existing, user-provided stream */ |
| 151 | |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 152 | /* in this case, we do not need to allocate a new stream object */ |
| 153 | /* since the caller is responsible for closing it himself */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 154 | FT_FREE( stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 155 | stream = args->stream; |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 156 | } |
| 157 | else |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 158 | error = FT_Err_Invalid_Argument; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 159 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 160 | if ( error ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 161 | FT_FREE( stream ); |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 162 | else |
| 163 | stream->memory = memory; /* just to be certain */ |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 164 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 165 | *astream = stream; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 166 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 167 | Exit: |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 168 | return error; |
| 169 | } |
| 170 | |
| 171 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 172 | FT_BASE_DEF( void ) |
| 173 | FT_Stream_Free( FT_Stream stream, |
| 174 | FT_Int external ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 175 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 176 | if ( stream ) |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 177 | { |
| 178 | FT_Memory memory = stream->memory; |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 179 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 180 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 181 | FT_Stream_Close( stream ); |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 182 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 183 | if ( !external ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 184 | FT_FREE( stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 185 | } |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 186 | } |
| 187 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 188 | |
Werner Lemberg | eb81e37 | 2000-06-03 06:03:11 +0000 | [diff] [blame] | 189 | #undef FT_COMPONENT |
| 190 | #define FT_COMPONENT trace_objs |
| 191 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 192 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 193 | /*************************************************************************/ |
| 194 | /*************************************************************************/ |
| 195 | /*************************************************************************/ |
| 196 | /**** ****/ |
| 197 | /**** ****/ |
| 198 | /**** FACE, SIZE & GLYPH SLOT OBJECTS ****/ |
| 199 | /**** ****/ |
| 200 | /**** ****/ |
| 201 | /*************************************************************************/ |
| 202 | /*************************************************************************/ |
| 203 | /*************************************************************************/ |
| 204 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 205 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 206 | static FT_Error |
| 207 | ft_glyphslot_init( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 208 | { |
| 209 | FT_Driver driver = slot->face->driver; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 210 | FT_Driver_Class clazz = driver->clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 211 | FT_Memory memory = driver->root.memory; |
| 212 | FT_Error error = FT_Err_Ok; |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 213 | FT_Slot_Internal internal; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 214 | |
Werner Lemberg | a8bbc26 | 2000-07-01 14:06:46 +0000 | [diff] [blame] | 215 | |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 216 | slot->library = driver->root.library; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 217 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 218 | if ( FT_NEW( internal ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 219 | goto Exit; |
| 220 | |
| 221 | slot->internal = internal; |
| 222 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 223 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 224 | error = FT_GlyphLoader_New( memory, &internal->loader ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 225 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 226 | if ( !error && clazz->init_slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 227 | error = clazz->init_slot( slot ); |
| 228 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 229 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 230 | return error; |
| 231 | } |
| 232 | |
Werner Lemberg | e20ab69 | 2003-06-02 07:24:33 +0000 | [diff] [blame] | 233 | |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 234 | FT_BASE_DEF( void ) |
| 235 | ft_glyphslot_free_bitmap( FT_GlyphSlot slot ) |
| 236 | { |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 237 | if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 238 | { |
| 239 | FT_Memory memory = FT_FACE_MEMORY( slot->face ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 240 | |
| 241 | |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 242 | FT_FREE( slot->bitmap.buffer ); |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 243 | slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP; |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 244 | } |
| 245 | else |
| 246 | { |
| 247 | /* assume that the bitmap buffer was stolen or not */ |
| 248 | /* allocated from the heap */ |
| 249 | slot->bitmap.buffer = NULL; |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | |
| 254 | FT_BASE_DEF( void ) |
| 255 | ft_glyphslot_set_bitmap( FT_GlyphSlot slot, |
Werner Lemberg | 319c00d | 2003-04-23 19:48:24 +0000 | [diff] [blame] | 256 | FT_Byte* buffer ) |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 257 | { |
| 258 | ft_glyphslot_free_bitmap( slot ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 259 | |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 260 | slot->bitmap.buffer = buffer; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 261 | |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 262 | FT_ASSERT( (slot->internal->flags & FT_GLYPH_OWN_BITMAP) == 0 ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 263 | } |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 264 | |
| 265 | |
| 266 | FT_BASE_DEF( FT_Error ) |
| 267 | ft_glyphslot_alloc_bitmap( FT_GlyphSlot slot, |
| 268 | FT_ULong size ) |
| 269 | { |
| 270 | FT_Memory memory = FT_FACE_MEMORY( slot->face ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 271 | |
| 272 | |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 273 | if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 274 | FT_FREE( slot->bitmap.buffer ); |
| 275 | else |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 276 | slot->internal->flags |= FT_GLYPH_OWN_BITMAP; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 277 | |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 278 | return FT_MEM_ALLOC( slot->bitmap.buffer, size ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 279 | } |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 280 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 281 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 282 | static void |
| 283 | ft_glyphslot_clear( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 284 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 285 | /* free bitmap if needed */ |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 286 | ft_glyphslot_free_bitmap( slot ); |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 287 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 288 | /* clear all public fields in the glyph slot */ |
David Turner | 3249c62 | 2002-10-31 08:30:19 +0000 | [diff] [blame] | 289 | FT_ZERO( &slot->metrics ); |
| 290 | FT_ZERO( &slot->outline ); |
| 291 | |
Werner Lemberg | 0f1c4fa | 2005-06-06 07:01:47 +0000 | [diff] [blame] | 292 | slot->bitmap.width = 0; |
| 293 | slot->bitmap.rows = 0; |
| 294 | slot->bitmap.pitch = 0; |
David Turner | 3249c62 | 2002-10-31 08:30:19 +0000 | [diff] [blame] | 295 | slot->bitmap.pixel_mode = 0; |
Werner Lemberg | 0f1c4fa | 2005-06-06 07:01:47 +0000 | [diff] [blame] | 296 | /* `slot->bitmap.buffer' has been handled by ft_glyphslot_free_bitmap */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 297 | |
| 298 | slot->bitmap_left = 0; |
| 299 | slot->bitmap_top = 0; |
| 300 | slot->num_subglyphs = 0; |
| 301 | slot->subglyphs = 0; |
| 302 | slot->control_data = 0; |
| 303 | slot->control_len = 0; |
| 304 | slot->other = 0; |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 305 | slot->format = FT_GLYPH_FORMAT_NONE; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 306 | |
| 307 | slot->linearHoriAdvance = 0; |
| 308 | slot->linearVertAdvance = 0; |
Werner Lemberg | 34f4f39 | 2004-12-09 22:22:52 +0000 | [diff] [blame] | 309 | slot->lsb_delta = 0; |
| 310 | slot->rsb_delta = 0; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 311 | } |
| 312 | |
| 313 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 314 | static void |
| 315 | ft_glyphslot_done( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 316 | { |
| 317 | FT_Driver driver = slot->face->driver; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 318 | FT_Driver_Class clazz = driver->clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 319 | FT_Memory memory = driver->root.memory; |
| 320 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 321 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 322 | if ( clazz->done_slot ) |
| 323 | clazz->done_slot( slot ); |
| 324 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 325 | /* free bitmap buffer if needed */ |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 326 | ft_glyphslot_free_bitmap( slot ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 327 | |
| 328 | /* free glyph loader */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 329 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 330 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 331 | FT_GlyphLoader_Done( slot->internal->loader ); |
| 332 | slot->internal->loader = 0; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 333 | } |
| 334 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 335 | FT_FREE( slot->internal ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 336 | } |
| 337 | |
| 338 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 339 | /* documentation is in ftobjs.h */ |
| 340 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 341 | FT_BASE_DEF( FT_Error ) |
| 342 | FT_New_GlyphSlot( FT_Face face, |
| 343 | FT_GlyphSlot *aslot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 344 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 345 | FT_Error error; |
| 346 | FT_Driver driver; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 347 | FT_Driver_Class clazz; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 348 | FT_Memory memory; |
| 349 | FT_GlyphSlot slot; |
| 350 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 351 | |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 352 | if ( !face || !face->driver ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 353 | return FT_Err_Invalid_Argument; |
| 354 | |
| 355 | driver = face->driver; |
| 356 | clazz = driver->clazz; |
| 357 | memory = driver->root.memory; |
| 358 | |
| 359 | FT_TRACE4(( "FT_New_GlyphSlot: Creating new slot object\n" )); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 360 | if ( !FT_ALLOC( slot, clazz->slot_object_size ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 361 | { |
| 362 | slot->face = face; |
| 363 | |
| 364 | error = ft_glyphslot_init( slot ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 365 | if ( error ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 366 | { |
| 367 | ft_glyphslot_done( slot ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 368 | FT_FREE( slot ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 369 | goto Exit; |
| 370 | } |
| 371 | |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 372 | slot->next = face->glyph; |
| 373 | face->glyph = slot; |
| 374 | |
| 375 | if ( aslot ) |
| 376 | *aslot = slot; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 377 | } |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 378 | else if ( aslot ) |
| 379 | *aslot = 0; |
| 380 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 381 | |
| 382 | Exit: |
| 383 | FT_TRACE4(( "FT_New_GlyphSlot: Return %d\n", error )); |
| 384 | return error; |
| 385 | } |
| 386 | |
| 387 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 388 | /* documentation is in ftobjs.h */ |
| 389 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 390 | FT_BASE_DEF( void ) |
| 391 | FT_Done_GlyphSlot( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 392 | { |
| 393 | if ( slot ) |
| 394 | { |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 395 | FT_Driver driver = slot->face->driver; |
| 396 | FT_Memory memory = driver->root.memory; |
| 397 | FT_GlyphSlot prev; |
| 398 | FT_GlyphSlot cur; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 399 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 400 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 401 | /* Remove slot from its parent face's list */ |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 402 | prev = NULL; |
| 403 | cur = slot->face->glyph; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 404 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 405 | while ( cur ) |
| 406 | { |
| 407 | if ( cur == slot ) |
| 408 | { |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 409 | if ( !prev ) |
| 410 | slot->face->glyph = cur->next; |
| 411 | else |
| 412 | prev->next = cur->next; |
| 413 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 414 | ft_glyphslot_done( slot ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 415 | FT_FREE( slot ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 416 | break; |
| 417 | } |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 418 | prev = cur; |
| 419 | cur = cur->next; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 420 | } |
| 421 | } |
| 422 | } |
| 423 | |
| 424 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 425 | /* documentation is in freetype.h */ |
| 426 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 427 | FT_EXPORT_DEF( void ) |
| 428 | FT_Set_Transform( FT_Face face, |
| 429 | FT_Matrix* matrix, |
| 430 | FT_Vector* delta ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 431 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 432 | FT_Face_Internal internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 433 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 434 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 435 | if ( !face ) |
| 436 | return; |
| 437 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 438 | internal = face->internal; |
| 439 | |
| 440 | internal->transform_flags = 0; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 441 | |
| 442 | if ( !matrix ) |
| 443 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 444 | internal->transform_matrix.xx = 0x10000L; |
| 445 | internal->transform_matrix.xy = 0; |
| 446 | internal->transform_matrix.yx = 0; |
| 447 | internal->transform_matrix.yy = 0x10000L; |
| 448 | matrix = &internal->transform_matrix; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 449 | } |
| 450 | else |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 451 | internal->transform_matrix = *matrix; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 452 | |
| 453 | /* set transform_flags bit flag 0 if `matrix' isn't the identity */ |
| 454 | if ( ( matrix->xy | matrix->yx ) || |
| 455 | matrix->xx != 0x10000L || |
| 456 | matrix->yy != 0x10000L ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 457 | internal->transform_flags |= 1; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 458 | |
| 459 | if ( !delta ) |
| 460 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 461 | internal->transform_delta.x = 0; |
| 462 | internal->transform_delta.y = 0; |
| 463 | delta = &internal->transform_delta; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 464 | } |
| 465 | else |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 466 | internal->transform_delta = *delta; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 467 | |
| 468 | /* set transform_flags bit flag 1 if `delta' isn't the null vector */ |
| 469 | if ( delta->x | delta->y ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 470 | internal->transform_flags |= 2; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 471 | } |
| 472 | |
| 473 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 474 | static FT_Renderer |
| 475 | ft_lookup_glyph_renderer( FT_GlyphSlot slot ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 476 | |
| 477 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 478 | /* documentation is in freetype.h */ |
| 479 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 480 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | 6b5c669 | 2002-09-05 15:10:54 +0000 | [diff] [blame] | 481 | FT_Load_Glyph( FT_Face face, |
| 482 | FT_UInt glyph_index, |
| 483 | FT_Int32 load_flags ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 484 | { |
| 485 | FT_Error error; |
| 486 | FT_Driver driver; |
| 487 | FT_GlyphSlot slot; |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 488 | FT_Library library; |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 489 | FT_Bool autohint = 0; |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 490 | FT_Module hinter; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 491 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 492 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 493 | if ( !face || !face->size || !face->glyph ) |
| 494 | return FT_Err_Invalid_Face_Handle; |
| 495 | |
Werner Lemberg | 2cba64d | 2003-04-28 08:51:07 +0000 | [diff] [blame] | 496 | if ( glyph_index >= (FT_UInt)face->num_glyphs ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 497 | return FT_Err_Invalid_Argument; |
| 498 | |
| 499 | slot = face->glyph; |
| 500 | ft_glyphslot_clear( slot ); |
| 501 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 502 | driver = face->driver; |
| 503 | library = driver->root.library; |
| 504 | hinter = library->auto_hinter; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 505 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 506 | /* resolve load flags dependencies */ |
| 507 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 508 | if ( load_flags & FT_LOAD_NO_RECURSE ) |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 509 | load_flags |= FT_LOAD_NO_SCALE | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 510 | FT_LOAD_IGNORE_TRANSFORM; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 511 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 512 | if ( load_flags & FT_LOAD_NO_SCALE ) |
| 513 | { |
| 514 | load_flags |= FT_LOAD_NO_HINTING | |
| 515 | FT_LOAD_NO_BITMAP; |
| 516 | |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 517 | load_flags &= ~FT_LOAD_RENDER; |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 518 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 519 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 520 | if ( FT_LOAD_TARGET_MODE( load_flags ) == FT_RENDER_MODE_LIGHT ) |
David Turner | e6bb953 | 2005-12-23 13:32:06 +0000 | [diff] [blame] | 521 | load_flags |= FT_LOAD_FORCE_AUTOHINT; |
| 522 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 523 | /* auto-hinter is preferred and should be used */ |
Werner Lemberg | 1723dcc | 2006-01-15 07:30:32 +0000 | [diff] [blame] | 524 | if ( ( !FT_DRIVER_HAS_HINTER( driver ) || |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 525 | ( load_flags & FT_LOAD_FORCE_AUTOHINT ) ) && |
| 526 | !( load_flags & FT_LOAD_NO_HINTING ) && |
Werner Lemberg | 1723dcc | 2006-01-15 07:30:32 +0000 | [diff] [blame] | 527 | !( load_flags & FT_LOAD_NO_AUTOHINT ) ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 528 | { |
Werner Lemberg | 1723dcc | 2006-01-15 07:30:32 +0000 | [diff] [blame] | 529 | /* check whether it works for this face */ |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 530 | autohint = |
| 531 | FT_BOOL( hinter && |
| 532 | FT_DRIVER_IS_SCALABLE( driver ) && |
| 533 | FT_DRIVER_USES_OUTLINES( driver ) && |
| 534 | face->internal->transform_matrix.yy > 0 && |
| 535 | face->internal->transform_matrix.yx == 0 ); |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 536 | } |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 537 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 538 | if ( autohint ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 539 | { |
David Turner | 9657ef0 | 2002-03-14 08:49:59 +0000 | [diff] [blame] | 540 | FT_AutoHinter_Service hinting; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 541 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 542 | |
Werner Lemberg | 0d53511 | 2001-12-19 22:26:12 +0000 | [diff] [blame] | 543 | /* try to load embedded bitmaps first if available */ |
| 544 | /* */ |
| 545 | /* XXX: This is really a temporary hack that should disappear */ |
| 546 | /* promptly with FreeType 2.1! */ |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 547 | /* */ |
Werner Lemberg | eacb930 | 2002-10-07 10:12:43 +0000 | [diff] [blame] | 548 | if ( FT_HAS_FIXED_SIZES( face ) && |
David Turner | 80171e0 | 2002-10-05 14:57:03 +0000 | [diff] [blame] | 549 | ( load_flags & FT_LOAD_NO_BITMAP ) == 0 ) |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 550 | { |
| 551 | error = driver->clazz->load_glyph( slot, face->size, |
| 552 | glyph_index, |
| 553 | load_flags | FT_LOAD_SBITS_ONLY ); |
| 554 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 555 | if ( !error && slot->format == FT_GLYPH_FORMAT_BITMAP ) |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 556 | goto Load_Ok; |
| 557 | } |
| 558 | |
| 559 | /* load auto-hinted outline */ |
David Turner | 9657ef0 | 2002-03-14 08:49:59 +0000 | [diff] [blame] | 560 | hinting = (FT_AutoHinter_Service)hinter->clazz->module_interface; |
David Turner | 76a5f62 | 2000-11-04 01:55:49 +0000 | [diff] [blame] | 561 | |
| 562 | error = hinting->load_glyph( (FT_AutoHinter)hinter, |
| 563 | slot, face->size, |
| 564 | glyph_index, load_flags ); |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 565 | } |
| 566 | else |
David Turner | 662b344 | 2002-01-03 16:56:59 +0000 | [diff] [blame] | 567 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 568 | error = driver->clazz->load_glyph( slot, |
| 569 | face->size, |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 570 | glyph_index, |
| 571 | load_flags ); |
David Turner | 662b344 | 2002-01-03 16:56:59 +0000 | [diff] [blame] | 572 | if ( error ) |
| 573 | goto Exit; |
| 574 | |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 575 | /* check that the loaded outline is correct */ |
David Turner | 662b344 | 2002-01-03 16:56:59 +0000 | [diff] [blame] | 576 | error = FT_Outline_Check( &slot->outline ); |
| 577 | if ( error ) |
| 578 | goto Exit; |
| 579 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 580 | |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 581 | Load_Ok: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 582 | /* compute the advance */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 583 | if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 584 | { |
| 585 | slot->advance.x = 0; |
| 586 | slot->advance.y = slot->metrics.vertAdvance; |
| 587 | } |
| 588 | else |
| 589 | { |
| 590 | slot->advance.x = slot->metrics.horiAdvance; |
| 591 | slot->advance.y = 0; |
| 592 | } |
| 593 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 594 | /* compute the linear advance in 16.16 pixels */ |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 595 | if ( ( load_flags & FT_LOAD_LINEAR_DESIGN ) == 0 && |
| 596 | ( face->face_flags & FT_FACE_FLAG_SCALABLE ) ) |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 597 | { |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 598 | FT_Size_Metrics* metrics = &face->size->metrics; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 599 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 600 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 601 | /* it's tricky! */ |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 602 | slot->linearHoriAdvance = FT_MulDiv( slot->linearHoriAdvance, |
Werner Lemberg | be67c4e | 2003-11-24 22:54:58 +0000 | [diff] [blame] | 603 | metrics->x_scale, 64 ); |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 604 | |
| 605 | slot->linearVertAdvance = FT_MulDiv( slot->linearVertAdvance, |
Werner Lemberg | be67c4e | 2003-11-24 22:54:58 +0000 | [diff] [blame] | 606 | metrics->y_scale, 64 ); |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 607 | } |
| 608 | |
| 609 | if ( ( load_flags & FT_LOAD_IGNORE_TRANSFORM ) == 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 610 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 611 | FT_Face_Internal internal = face->internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 612 | |
| 613 | |
Werner Lemberg | d1b7475 | 2000-08-24 16:29:15 +0000 | [diff] [blame] | 614 | /* now, transform the glyph image if needed */ |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 615 | if ( internal->transform_flags ) |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 616 | { |
| 617 | /* get renderer */ |
| 618 | FT_Renderer renderer = ft_lookup_glyph_renderer( slot ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 619 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 620 | |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 621 | if ( renderer ) |
Werner Lemberg | dc72aff | 2000-11-04 08:33:38 +0000 | [diff] [blame] | 622 | error = renderer->clazz->transform_glyph( |
| 623 | renderer, slot, |
| 624 | &internal->transform_matrix, |
| 625 | &internal->transform_delta ); |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 626 | /* transform advance */ |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 627 | FT_Vector_Transform( &slot->advance, &internal->transform_matrix ); |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 628 | } |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 629 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 630 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 631 | /* do we need to render the image now? */ |
| 632 | if ( !error && |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 633 | slot->format != FT_GLYPH_FORMAT_BITMAP && |
| 634 | slot->format != FT_GLYPH_FORMAT_COMPOSITE && |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 635 | load_flags & FT_LOAD_RENDER ) |
| 636 | { |
David Turner | 00d9f40 | 2002-09-08 21:29:11 +0000 | [diff] [blame] | 637 | FT_Render_Mode mode = FT_LOAD_TARGET_MODE( load_flags ); |
| 638 | |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 639 | |
David Turner | 00d9f40 | 2002-09-08 21:29:11 +0000 | [diff] [blame] | 640 | if ( mode == FT_RENDER_MODE_NORMAL && |
| 641 | (load_flags & FT_LOAD_MONOCHROME ) ) |
| 642 | mode = FT_RENDER_MODE_MONO; |
| 643 | |
| 644 | error = FT_Render_Glyph( slot, mode ); |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 645 | } |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 646 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 647 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 648 | return error; |
| 649 | } |
| 650 | |
| 651 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 652 | /* documentation is in freetype.h */ |
| 653 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 654 | FT_EXPORT_DEF( FT_Error ) |
| 655 | FT_Load_Char( FT_Face face, |
| 656 | FT_ULong char_code, |
David Turner | f467e6a | 2002-08-21 21:39:28 +0000 | [diff] [blame] | 657 | FT_Int32 load_flags ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 658 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 659 | FT_UInt glyph_index; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 660 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 661 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 662 | if ( !face ) |
| 663 | return FT_Err_Invalid_Face_Handle; |
| 664 | |
| 665 | glyph_index = (FT_UInt)char_code; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 666 | if ( face->charmap ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 667 | glyph_index = FT_Get_Char_Index( face, char_code ); |
| 668 | |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 669 | return FT_Load_Glyph( face, glyph_index, load_flags ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 670 | } |
| 671 | |
| 672 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 673 | /* destructor for sizes list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 674 | static void |
| 675 | destroy_size( FT_Memory memory, |
| 676 | FT_Size size, |
| 677 | FT_Driver driver ) |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 678 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 679 | /* finalize client-specific data */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 680 | if ( size->generic.finalizer ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 681 | size->generic.finalizer( size ); |
| 682 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 683 | /* finalize format-specific stuff */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 684 | if ( driver->clazz->done_size ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 685 | driver->clazz->done_size( size ); |
| 686 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 687 | FT_FREE( size->internal ); |
| 688 | FT_FREE( size ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 689 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 690 | |
| 691 | |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 692 | static void |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 693 | ft_cmap_done_internal( FT_CMap cmap ); |
| 694 | |
| 695 | |
| 696 | static void |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 697 | destroy_charmaps( FT_Face face, |
| 698 | FT_Memory memory ) |
| 699 | { |
| 700 | FT_Int n; |
| 701 | |
| 702 | |
| 703 | for ( n = 0; n < face->num_charmaps; n++ ) |
| 704 | { |
| 705 | FT_CMap cmap = FT_CMAP( face->charmaps[n] ); |
| 706 | |
| 707 | |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 708 | ft_cmap_done_internal( cmap ); |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 709 | |
| 710 | face->charmaps[n] = NULL; |
| 711 | } |
| 712 | |
| 713 | FT_FREE( face->charmaps ); |
| 714 | face->num_charmaps = 0; |
| 715 | } |
| 716 | |
| 717 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 718 | /* destructor for faces list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 719 | static void |
| 720 | destroy_face( FT_Memory memory, |
| 721 | FT_Face face, |
| 722 | FT_Driver driver ) |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 723 | { |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 724 | FT_Driver_Class clazz = driver->clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 725 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 726 | |
David Turner | c49f69c | 2000-07-20 03:44:50 +0000 | [diff] [blame] | 727 | /* discard auto-hinting data */ |
| 728 | if ( face->autohint.finalizer ) |
| 729 | face->autohint.finalizer( face->autohint.data ); |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 730 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 731 | /* Discard glyph slots for this face. */ |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 732 | /* Beware! FT_Done_GlyphSlot() changes the field `face->glyph' */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 733 | while ( face->glyph ) |
| 734 | FT_Done_GlyphSlot( face->glyph ); |
| 735 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 736 | /* discard all sizes for this face */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 737 | FT_List_Finalize( &face->sizes_list, |
Werner Lemberg | 7418415 | 2003-10-18 16:56:13 +0000 | [diff] [blame] | 738 | (FT_List_Destructor)destroy_size, |
| 739 | memory, |
| 740 | driver ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 741 | face->size = 0; |
| 742 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 743 | /* now discard client data */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 744 | if ( face->generic.finalizer ) |
| 745 | face->generic.finalizer( face ); |
| 746 | |
David Turner | 2ded2c1 | 2002-03-22 22:37:40 +0000 | [diff] [blame] | 747 | /* discard charmaps */ |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 748 | destroy_charmaps( face, memory ); |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 749 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 750 | /* finalize format-specific stuff */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 751 | if ( clazz->done_face ) |
| 752 | clazz->done_face( face ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 753 | |
| 754 | /* close the stream for this face if needed */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 755 | FT_Stream_Free( |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 756 | face->stream, |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 757 | ( face->face_flags & FT_FACE_FLAG_EXTERNAL_STREAM ) != 0 ); |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 758 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 759 | face->stream = 0; |
| 760 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 761 | /* get rid of it */ |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 762 | if ( face->internal ) |
| 763 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 764 | FT_FREE( face->internal ); |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 765 | } |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 766 | FT_FREE( face ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 767 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 768 | |
| 769 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 770 | static void |
| 771 | Destroy_Driver( FT_Driver driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 772 | { |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 773 | FT_List_Finalize( &driver->faces_list, |
| 774 | (FT_List_Destructor)destroy_face, |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 775 | driver->root.memory, |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 776 | driver ); |
| 777 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 778 | /* check whether we need to drop the driver's glyph loader */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 779 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 780 | FT_GlyphLoader_Done( driver->glyph_loader ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 781 | } |
| 782 | |
| 783 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 784 | /*************************************************************************/ |
| 785 | /* */ |
| 786 | /* <Function> */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 787 | /* find_unicode_charmap */ |
| 788 | /* */ |
| 789 | /* <Description> */ |
| 790 | /* This function finds a Unicode charmap, if there is one. */ |
| 791 | /* 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] | 792 | /* extensive one, i.e., one that supports UCS-4 against those which */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 793 | /* are limited to the BMP (said UCS-2 encoding.) */ |
| 794 | /* */ |
| 795 | /* This function is called from open_face() (just below), and also */ |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 796 | /* from FT_Select_Charmap( ..., FT_ENCODING_UNICODE). */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 797 | /* */ |
| 798 | static FT_Error |
| 799 | find_unicode_charmap( FT_Face face ) |
| 800 | { |
| 801 | FT_CharMap* first; |
| 802 | FT_CharMap* cur; |
| 803 | FT_CharMap* unicmap = NULL; /* some UCS-2 map, if we found it */ |
| 804 | |
| 805 | |
| 806 | /* caller should have already checked that `face' is valid */ |
Werner Lemberg | 7418415 | 2003-10-18 16:56:13 +0000 | [diff] [blame] | 807 | FT_ASSERT( face ); |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 808 | |
| 809 | first = face->charmaps; |
| 810 | |
| 811 | if ( !first ) |
| 812 | return FT_Err_Invalid_CharMap_Handle; |
| 813 | |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 814 | /* |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 815 | * The original TrueType specification(s) only specified charmap |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 816 | * formats that are capable of mapping 8 or 16 bit character codes to |
| 817 | * glyph indices. |
| 818 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 819 | * However, recent updates to the Apple and OpenType specifications |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 820 | * introduced new formats that are capable of mapping 32-bit character |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 821 | * 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] | 822 | * map non-BMP Asian ideographs as defined in Unicode. |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 823 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 824 | * For compatibility purposes, these fonts generally come with |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 825 | * *several* Unicode charmaps: |
| 826 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 827 | * - One of them in the "old" 16-bit format, that cannot access |
| 828 | * all glyphs in the font. |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 829 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 830 | * - Another one in the "new" 32-bit format, that can access all |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 831 | * the glyphs. |
| 832 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 833 | * This function has been written to always favor a 32-bit charmap |
| 834 | * when found. Otherwise, a 16-bit one is returned when found. |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 835 | */ |
| 836 | |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 837 | /* Since the `interesting' table, with IDs (3,10), is normally the */ |
| 838 | /* last one, we loop backwards. This looses with type1 fonts with */ |
| 839 | /* non-BMP characters (<.0001%), this wins with .ttf with non-BMP */ |
| 840 | /* 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] | 841 | |
| 842 | cur = first + face->num_charmaps; /* points after the last one */ |
| 843 | |
| 844 | for ( ; --cur >= first; ) |
| 845 | { |
| 846 | if ( cur[0]->encoding == FT_ENCODING_UNICODE ) |
| 847 | { |
| 848 | unicmap = cur; /* record we found a Unicode charmap */ |
| 849 | |
| 850 | /* XXX If some new encodings to represent UCS-4 are added, */ |
| 851 | /* they should be added here. */ |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 852 | if ( ( cur[0]->platform_id == TT_PLATFORM_MICROSOFT && |
| 853 | cur[0]->encoding_id == TT_MS_ID_UCS_4 ) || |
| 854 | ( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE && |
| 855 | cur[0]->encoding_id == TT_APPLE_ID_UNICODE_32 ) ) |
| 856 | |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 857 | /* Hurray! We found a UCS-4 charmap. We can stop the scan! */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 858 | { |
| 859 | face->charmap = cur[0]; |
| 860 | return 0; |
| 861 | } |
| 862 | } |
| 863 | } |
| 864 | |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 865 | /* We do not have any UCS-4 charmap. Sigh. */ |
| 866 | /* Let's see if we have some other kind of Unicode charmap, though. */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 867 | if ( unicmap != NULL ) |
| 868 | { |
| 869 | face->charmap = unicmap[0]; |
| 870 | return 0; |
| 871 | } |
| 872 | |
| 873 | /* Chou blanc! */ |
David Turner | 6453a81 | 2003-01-08 09:28:34 +0000 | [diff] [blame] | 874 | return FT_Err_Invalid_CharMap_Handle; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 875 | } |
| 876 | |
| 877 | |
| 878 | /*************************************************************************/ |
| 879 | /* */ |
| 880 | /* <Function> */ |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 881 | /* open_face */ |
| 882 | /* */ |
| 883 | /* <Description> */ |
| 884 | /* This function does some work for FT_Open_Face(). */ |
| 885 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 886 | static FT_Error |
| 887 | open_face( FT_Driver driver, |
| 888 | FT_Stream stream, |
| 889 | FT_Long face_index, |
| 890 | FT_Int num_params, |
| 891 | FT_Parameter* params, |
Werner Lemberg | 6d79899 | 2003-07-01 07:28:55 +0000 | [diff] [blame] | 892 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 893 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 894 | FT_Memory memory; |
Werner Lemberg | 77c34b8 | 2003-05-20 22:06:38 +0000 | [diff] [blame] | 895 | FT_Driver_Class clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 896 | FT_Face face = 0; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 897 | FT_Error error, error2; |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 898 | FT_Face_Internal internal; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 899 | |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 900 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 901 | clazz = driver->clazz; |
| 902 | memory = driver->root.memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 903 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 904 | /* allocate the face object and perform basic initialization */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 905 | if ( FT_ALLOC( face, clazz->face_object_size ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 906 | goto Fail; |
| 907 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 908 | if ( FT_NEW( internal ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 909 | goto Fail; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 910 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 911 | face->internal = internal; |
| 912 | |
| 913 | face->driver = driver; |
| 914 | face->memory = memory; |
| 915 | face->stream = stream; |
Graham Asher | ce12182 | 2002-08-01 15:29:17 +0000 | [diff] [blame] | 916 | |
Graham Asher | d53cf1d | 2002-07-18 15:04:29 +0000 | [diff] [blame] | 917 | #ifdef FT_CONFIG_OPTION_INCREMENTAL |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 918 | { |
| 919 | int i; |
| 920 | |
| 921 | |
| 922 | face->internal->incremental_interface = 0; |
| 923 | for ( i = 0; i < num_params && !face->internal->incremental_interface; |
| 924 | i++ ) |
| 925 | if ( params[i].tag == FT_PARAM_TAG_INCREMENTAL ) |
| 926 | face->internal->incremental_interface = params[i].data; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 927 | } |
Graham Asher | d53cf1d | 2002-07-18 15:04:29 +0000 | [diff] [blame] | 928 | #endif |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 929 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 930 | error = clazz->init_face( stream, |
| 931 | face, |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 932 | (FT_Int)face_index, |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 933 | num_params, |
| 934 | params ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 935 | if ( error ) |
| 936 | goto Fail; |
| 937 | |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 938 | /* select Unicode charmap by default */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 939 | error2 = find_unicode_charmap( face ); |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 940 | |
Werner Lemberg | 6d79899 | 2003-07-01 07:28:55 +0000 | [diff] [blame] | 941 | /* if no Unicode charmap can be found, FT_Err_Invalid_CharMap_Handle */ |
| 942 | /* is returned. */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 943 | |
Werner Lemberg | 6d79899 | 2003-07-01 07:28:55 +0000 | [diff] [blame] | 944 | /* no error should happen, but we want to play safe */ |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 945 | if ( error2 && error2 != FT_Err_Invalid_CharMap_Handle ) |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 946 | { |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 947 | error = error2; |
| 948 | goto Fail; |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 949 | } |
| 950 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 951 | *aface = face; |
| 952 | |
| 953 | Fail: |
| 954 | if ( error ) |
| 955 | { |
Werner Lemberg | 4338dab | 2004-01-05 14:41:59 +0000 | [diff] [blame] | 956 | destroy_charmaps( face, memory ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 957 | clazz->done_face( face ); |
Werner Lemberg | 77c34b8 | 2003-05-20 22:06:38 +0000 | [diff] [blame] | 958 | FT_FREE( internal ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 959 | FT_FREE( face ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 960 | *aface = 0; |
| 961 | } |
| 962 | |
| 963 | return error; |
| 964 | } |
| 965 | |
| 966 | |
Werner Lemberg | 05c21b8 | 2000-07-29 20:38:19 +0000 | [diff] [blame] | 967 | /* there's a Mac-specific extended implementation of FT_New_Face() */ |
Werner Lemberg | 4d631e4 | 2002-05-27 13:02:37 +0000 | [diff] [blame] | 968 | /* in src/base/ftmac.c */ |
Werner Lemberg | 05c21b8 | 2000-07-29 20:38:19 +0000 | [diff] [blame] | 969 | |
Werner Lemberg | 9ca7a15 | 2002-04-30 14:26:49 +0000 | [diff] [blame] | 970 | #ifndef FT_MACINTOSH |
Just van Rossum | 9e830c5 | 2000-07-28 01:12:34 +0000 | [diff] [blame] | 971 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 972 | /* documentation is in freetype.h */ |
| 973 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 974 | FT_EXPORT_DEF( FT_Error ) |
| 975 | FT_New_Face( FT_Library library, |
| 976 | const char* pathname, |
| 977 | FT_Long face_index, |
| 978 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 979 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 980 | FT_Open_Args args; |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 981 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 982 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 983 | /* test for valid `library' and `aface' delayed to FT_Open_Face() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 984 | if ( !pathname ) |
| 985 | return FT_Err_Invalid_Argument; |
| 986 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 987 | args.flags = FT_OPEN_PATHNAME; |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 988 | args.pathname = (char*)pathname; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 989 | |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 990 | return FT_Open_Face( library, &args, face_index, aface ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 991 | } |
| 992 | |
Werner Lemberg | 9ca7a15 | 2002-04-30 14:26:49 +0000 | [diff] [blame] | 993 | #endif /* !FT_MACINTOSH */ |
Just van Rossum | 9e830c5 | 2000-07-28 01:12:34 +0000 | [diff] [blame] | 994 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 995 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 996 | /* documentation is in freetype.h */ |
| 997 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 998 | FT_EXPORT_DEF( FT_Error ) |
| 999 | FT_New_Memory_Face( FT_Library library, |
| 1000 | const FT_Byte* file_base, |
| 1001 | FT_Long file_size, |
| 1002 | FT_Long face_index, |
| 1003 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1004 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1005 | FT_Open_Args args; |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1006 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1007 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1008 | /* test for valid `library' and `face' delayed to FT_Open_Face() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1009 | if ( !file_base ) |
| 1010 | return FT_Err_Invalid_Argument; |
| 1011 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1012 | args.flags = FT_OPEN_MEMORY; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1013 | args.memory_base = file_base; |
| 1014 | args.memory_size = file_size; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1015 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1016 | return FT_Open_Face( library, &args, face_index, aface ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1017 | } |
| 1018 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1019 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1020 | #if !defined( FT_MACINTOSH ) && defined( FT_CONFIG_OPTION_MAC_FONTS ) |
| 1021 | |
| 1022 | /* The behavior here is very similar to that in base/ftmac.c, but it */ |
| 1023 | /* is designed to work on non-mac systems, so no mac specific calls. */ |
| 1024 | /* */ |
| 1025 | /* We look at the file and determine if it is a mac dfont file or a mac */ |
| 1026 | /* resource file, or a macbinary file containing a mac resource file. */ |
| 1027 | /* */ |
| 1028 | /* Unlike ftmac I'm not going to look at a `FOND'. I don't really see */ |
| 1029 | /* the point, especially since there may be multiple `FOND' resources. */ |
| 1030 | /* Instead I'll just look for `sfnt' and `POST' resources, ordered as */ |
| 1031 | /* they occur in the file. */ |
| 1032 | /* */ |
| 1033 | /* Note that multiple `POST' resources do not mean multiple postscript */ |
| 1034 | /* fonts; they all get jammed together to make what is essentially a */ |
| 1035 | /* pfb file. */ |
| 1036 | /* */ |
| 1037 | /* We aren't interested in `NFNT' or `FONT' bitmap resources. */ |
| 1038 | /* */ |
| 1039 | /* As soon as we get an `sfnt' load it into memory and pass it off to */ |
| 1040 | /* FT_Open_Face. */ |
| 1041 | /* */ |
| 1042 | /* If we have a (set of) `POST' resources, massage them into a (memory) */ |
| 1043 | /* pfb file and pass that to FT_Open_Face. (As with ftmac.c I'm not */ |
| 1044 | /* going to try to save the kerning info. After all that lives in the */ |
| 1045 | /* `FOND' which isn't in the file containing the `POST' resources so */ |
| 1046 | /* we don't really have access to it. */ |
| 1047 | |
| 1048 | |
| 1049 | /* Finalizer for a memory stream; gets called by FT_Done_Face(). |
| 1050 | It frees the memory it uses. */ |
| 1051 | /* from ftmac.c */ |
| 1052 | static void |
| 1053 | memory_stream_close( FT_Stream stream ) |
| 1054 | { |
| 1055 | FT_Memory memory = stream->memory; |
| 1056 | |
| 1057 | |
| 1058 | FT_FREE( stream->base ); |
| 1059 | |
| 1060 | stream->size = 0; |
| 1061 | stream->base = 0; |
| 1062 | stream->close = 0; |
| 1063 | } |
| 1064 | |
| 1065 | |
| 1066 | /* Create a new memory stream from a buffer and a size. */ |
| 1067 | /* from ftmac.c */ |
| 1068 | static FT_Error |
| 1069 | new_memory_stream( FT_Library library, |
| 1070 | FT_Byte* base, |
| 1071 | FT_ULong size, |
| 1072 | FT_Stream_CloseFunc close, |
| 1073 | FT_Stream *astream ) |
| 1074 | { |
| 1075 | FT_Error error; |
| 1076 | FT_Memory memory; |
| 1077 | FT_Stream stream; |
| 1078 | |
| 1079 | |
| 1080 | if ( !library ) |
| 1081 | return FT_Err_Invalid_Library_Handle; |
| 1082 | |
| 1083 | if ( !base ) |
| 1084 | return FT_Err_Invalid_Argument; |
| 1085 | |
| 1086 | *astream = 0; |
| 1087 | memory = library->memory; |
| 1088 | if ( FT_NEW( stream ) ) |
| 1089 | goto Exit; |
| 1090 | |
| 1091 | FT_Stream_OpenMemory( stream, base, size ); |
| 1092 | |
| 1093 | stream->close = close; |
| 1094 | |
| 1095 | *astream = stream; |
| 1096 | |
| 1097 | Exit: |
| 1098 | return error; |
| 1099 | } |
| 1100 | |
| 1101 | |
| 1102 | /* Create a new FT_Face given a buffer and a driver name. */ |
| 1103 | /* from ftmac.c */ |
| 1104 | static FT_Error |
| 1105 | open_face_from_buffer( FT_Library library, |
| 1106 | FT_Byte* base, |
| 1107 | FT_ULong size, |
| 1108 | FT_Long face_index, |
| 1109 | const char* driver_name, |
| 1110 | FT_Face *aface ) |
| 1111 | { |
| 1112 | FT_Open_Args args; |
| 1113 | FT_Error error; |
| 1114 | FT_Stream stream; |
| 1115 | FT_Memory memory = library->memory; |
| 1116 | |
| 1117 | |
| 1118 | error = new_memory_stream( library, |
| 1119 | base, |
| 1120 | size, |
| 1121 | memory_stream_close, |
| 1122 | &stream ); |
| 1123 | if ( error ) |
| 1124 | { |
| 1125 | FT_FREE( base ); |
| 1126 | return error; |
| 1127 | } |
| 1128 | |
| 1129 | args.flags = FT_OPEN_STREAM; |
| 1130 | args.stream = stream; |
| 1131 | if ( driver_name ) |
| 1132 | { |
Werner Lemberg | 7a02410 | 2003-06-18 06:59:57 +0000 | [diff] [blame] | 1133 | args.flags = args.flags | FT_OPEN_DRIVER; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1134 | args.driver = FT_Get_Module( library, driver_name ); |
| 1135 | } |
| 1136 | |
| 1137 | error = FT_Open_Face( library, &args, face_index, aface ); |
| 1138 | |
| 1139 | if ( error == FT_Err_Ok ) |
| 1140 | (*aface)->face_flags &= ~FT_FACE_FLAG_EXTERNAL_STREAM; |
| 1141 | else |
| 1142 | { |
| 1143 | FT_Stream_Close( stream ); |
| 1144 | FT_FREE( stream ); |
| 1145 | } |
| 1146 | |
| 1147 | return error; |
| 1148 | } |
| 1149 | |
| 1150 | |
| 1151 | /* The resource header says we've got resource_cnt `POST' (type1) */ |
| 1152 | /* resources in this file. They all need to be coalesced into */ |
| 1153 | /* one lump which gets passed on to the type1 driver. */ |
| 1154 | /* Here can be only one PostScript font in a file so face_index */ |
| 1155 | /* must be 0 (or -1). */ |
| 1156 | /* */ |
| 1157 | static FT_Error |
| 1158 | Mac_Read_POST_Resource( FT_Library library, |
| 1159 | FT_Stream stream, |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1160 | FT_Long *offsets, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1161 | FT_Long resource_cnt, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1162 | FT_Long face_index, |
| 1163 | FT_Face *aface ) |
| 1164 | { |
| 1165 | FT_Error error = FT_Err_Cannot_Open_Resource; |
| 1166 | FT_Memory memory = library->memory; |
| 1167 | FT_Byte* pfb_data; |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 1168 | int i, type, flags; |
| 1169 | FT_Long len; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1170 | FT_Long pfb_len, pfb_pos, pfb_lenpos; |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 1171 | FT_Long rlen, temp; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1172 | |
| 1173 | |
| 1174 | if ( face_index == -1 ) |
| 1175 | face_index = 0; |
| 1176 | if ( face_index != 0 ) |
Werner Lemberg | 77c34b8 | 2003-05-20 22:06:38 +0000 | [diff] [blame] | 1177 | return error; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1178 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1179 | /* Find the length of all the POST resources, concatenated. Assume */ |
| 1180 | /* worst case (each resource in its own section). */ |
| 1181 | pfb_len = 0; |
| 1182 | for ( i = 0; i < resource_cnt; ++i ) |
| 1183 | { |
| 1184 | error = FT_Stream_Seek( stream, offsets[i] ); |
| 1185 | if ( error ) |
| 1186 | goto Exit; |
| 1187 | if ( FT_READ_LONG( temp ) ) |
| 1188 | goto Exit; |
| 1189 | pfb_len += temp + 6; |
| 1190 | } |
| 1191 | |
| 1192 | if ( FT_ALLOC( pfb_data, (FT_Long)pfb_len + 2 ) ) |
| 1193 | goto Exit; |
| 1194 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 1195 | pfb_data[0] = 0x80; |
| 1196 | pfb_data[1] = 1; /* Ascii section */ |
| 1197 | pfb_data[2] = 0; /* 4-byte length, fill in later */ |
| 1198 | pfb_data[3] = 0; |
| 1199 | pfb_data[4] = 0; |
| 1200 | pfb_data[5] = 0; |
| 1201 | pfb_pos = 7; |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 1202 | pfb_lenpos = 2; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1203 | |
| 1204 | len = 0; |
| 1205 | type = 1; |
| 1206 | for ( i = 0; i < resource_cnt; ++i ) |
| 1207 | { |
| 1208 | error = FT_Stream_Seek( stream, offsets[i] ); |
| 1209 | if ( error ) |
| 1210 | goto Exit2; |
| 1211 | if ( FT_READ_LONG( rlen ) ) |
| 1212 | goto Exit; |
| 1213 | if ( FT_READ_USHORT( flags ) ) |
| 1214 | goto Exit; |
| 1215 | rlen -= 2; /* the flags are part of the resource */ |
| 1216 | if ( ( flags >> 8 ) == type ) |
| 1217 | len += rlen; |
| 1218 | else |
| 1219 | { |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 1220 | pfb_data[pfb_lenpos ] = (FT_Byte)( len ); |
| 1221 | pfb_data[pfb_lenpos + 1] = (FT_Byte)( len >> 8 ); |
| 1222 | pfb_data[pfb_lenpos + 2] = (FT_Byte)( len >> 16 ); |
| 1223 | pfb_data[pfb_lenpos + 3] = (FT_Byte)( len >> 24 ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1224 | |
| 1225 | if ( ( flags >> 8 ) == 5 ) /* End of font mark */ |
| 1226 | break; |
| 1227 | |
| 1228 | pfb_data[pfb_pos++] = 0x80; |
| 1229 | |
| 1230 | type = flags >> 8; |
| 1231 | len = rlen; |
| 1232 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 1233 | pfb_data[pfb_pos++] = (FT_Byte)type; |
| 1234 | pfb_lenpos = (FT_Byte)pfb_pos; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1235 | pfb_data[pfb_pos++] = 0; /* 4-byte length, fill in later */ |
| 1236 | pfb_data[pfb_pos++] = 0; |
| 1237 | pfb_data[pfb_pos++] = 0; |
| 1238 | pfb_data[pfb_pos++] = 0; |
| 1239 | } |
| 1240 | |
| 1241 | error = FT_Stream_Read( stream, (FT_Byte *)pfb_data + pfb_pos, rlen ); |
| 1242 | pfb_pos += rlen; |
| 1243 | } |
| 1244 | |
| 1245 | pfb_data[pfb_pos++] = 0x80; |
| 1246 | pfb_data[pfb_pos++] = 3; |
| 1247 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 1248 | pfb_data[pfb_lenpos ] = (FT_Byte)( len ); |
| 1249 | pfb_data[pfb_lenpos + 1] = (FT_Byte)( len >> 8 ); |
| 1250 | pfb_data[pfb_lenpos + 2] = (FT_Byte)( len >> 16 ); |
| 1251 | pfb_data[pfb_lenpos + 3] = (FT_Byte)( len >> 24 ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1252 | |
| 1253 | return open_face_from_buffer( library, |
| 1254 | pfb_data, |
| 1255 | pfb_pos, |
| 1256 | face_index, |
| 1257 | "type1", |
| 1258 | aface ); |
| 1259 | |
| 1260 | Exit2: |
| 1261 | FT_FREE( pfb_data ); |
| 1262 | |
| 1263 | Exit: |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1264 | return error; |
| 1265 | } |
| 1266 | |
| 1267 | |
| 1268 | /* The resource header says we've got resource_cnt `sfnt' */ |
| 1269 | /* (TrueType/OpenType) resources in this file. Look through */ |
| 1270 | /* them for the one indicated by face_index, load it into mem, */ |
| 1271 | /* pass it on the the truetype driver and return it. */ |
| 1272 | /* */ |
| 1273 | static FT_Error |
| 1274 | Mac_Read_sfnt_Resource( FT_Library library, |
| 1275 | FT_Stream stream, |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1276 | FT_Long *offsets, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1277 | FT_Long resource_cnt, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1278 | FT_Long face_index, |
| 1279 | FT_Face *aface ) |
| 1280 | { |
| 1281 | FT_Memory memory = library->memory; |
| 1282 | FT_Byte* sfnt_data; |
| 1283 | FT_Error error; |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1284 | FT_Long flag_offset; |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 1285 | FT_Long rlen; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1286 | int is_cff; |
| 1287 | |
| 1288 | |
| 1289 | if ( face_index == -1 ) |
| 1290 | face_index = 0; |
| 1291 | if ( face_index >= resource_cnt ) |
| 1292 | return FT_Err_Cannot_Open_Resource; |
| 1293 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1294 | flag_offset = offsets[face_index]; |
| 1295 | error = FT_Stream_Seek( stream, flag_offset ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1296 | if ( error ) |
| 1297 | goto Exit; |
| 1298 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1299 | if ( FT_READ_LONG( rlen ) ) |
| 1300 | goto Exit; |
| 1301 | if ( rlen == -1 ) |
| 1302 | return FT_Err_Cannot_Open_Resource; |
| 1303 | |
| 1304 | if ( FT_ALLOC( sfnt_data, (FT_Long)rlen ) ) |
| 1305 | return error; |
| 1306 | error = FT_Stream_Read( stream, (FT_Byte *)sfnt_data, rlen ); |
| 1307 | if ( error ) |
| 1308 | goto Exit; |
| 1309 | |
| 1310 | is_cff = rlen > 4 && sfnt_data[0] == 'O' && |
| 1311 | sfnt_data[1] == 'T' && |
| 1312 | sfnt_data[2] == 'T' && |
| 1313 | sfnt_data[3] == 'O'; |
| 1314 | |
| 1315 | error = open_face_from_buffer( library, |
| 1316 | sfnt_data, |
| 1317 | rlen, |
| 1318 | face_index, |
| 1319 | is_cff ? "cff" : "truetype", |
| 1320 | aface ); |
| 1321 | |
| 1322 | Exit: |
| 1323 | return error; |
| 1324 | } |
| 1325 | |
| 1326 | |
| 1327 | /* Check for a valid resource fork header, or a valid dfont */ |
| 1328 | /* header. In a resource fork the first 16 bytes are repeated */ |
| 1329 | /* at the location specified by bytes 4-7. In a dfont bytes */ |
| 1330 | /* 4-7 point to 16 bytes of zeroes instead. */ |
| 1331 | /* */ |
| 1332 | static FT_Error |
| 1333 | IsMacResource( FT_Library library, |
| 1334 | FT_Stream stream, |
| 1335 | FT_Long resource_offset, |
| 1336 | FT_Long face_index, |
| 1337 | FT_Face *aface ) |
| 1338 | { |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1339 | FT_Memory memory = library->memory; |
| 1340 | FT_Error error; |
| 1341 | FT_Long map_offset, rdara_pos; |
| 1342 | FT_Long *data_offsets; |
| 1343 | FT_Long count; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1344 | |
| 1345 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1346 | error = FT_Raccess_Get_HeaderInfo( library, stream, resource_offset, |
| 1347 | &map_offset, &rdara_pos ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1348 | if ( error ) |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1349 | return error; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1350 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1351 | error = FT_Raccess_Get_DataOffsets( library, stream, |
| 1352 | map_offset, rdara_pos, |
| 1353 | FT_MAKE_TAG( 'P', 'O', 'S', 'T' ), |
| 1354 | &data_offsets, &count ); |
| 1355 | if ( !error ) |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1356 | { |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1357 | error = Mac_Read_POST_Resource( library, stream, data_offsets, count, |
| 1358 | face_index, aface ); |
| 1359 | FT_FREE( data_offsets ); |
| 1360 | return error; |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1361 | } |
| 1362 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1363 | error = FT_Raccess_Get_DataOffsets( library, stream, |
| 1364 | map_offset, rdara_pos, |
| 1365 | FT_MAKE_TAG( 's', 'f', 'n', 't' ), |
| 1366 | &data_offsets, &count ); |
| 1367 | if ( !error ) |
| 1368 | { |
| 1369 | error = Mac_Read_sfnt_Resource( library, stream, data_offsets, count, |
| 1370 | face_index, aface ); |
| 1371 | FT_FREE( data_offsets ); |
| 1372 | } |
| 1373 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1374 | return error; |
| 1375 | } |
| 1376 | |
| 1377 | |
| 1378 | /* Check for a valid macbinary header, and if we find one */ |
| 1379 | /* check that the (flattened) resource fork in it is valid. */ |
| 1380 | /* */ |
| 1381 | static FT_Error |
| 1382 | IsMacBinary( FT_Library library, |
| 1383 | FT_Stream stream, |
| 1384 | FT_Long face_index, |
| 1385 | FT_Face *aface ) |
| 1386 | { |
| 1387 | unsigned char header[128]; |
| 1388 | FT_Error error; |
| 1389 | FT_Long dlen, offset; |
| 1390 | |
| 1391 | |
| 1392 | error = FT_Stream_Seek( stream, 0 ); |
| 1393 | if ( error ) |
| 1394 | goto Exit; |
| 1395 | |
| 1396 | error = FT_Stream_Read( stream, (FT_Byte*)header, 128 ); |
| 1397 | if ( error ) |
| 1398 | goto Exit; |
| 1399 | |
| 1400 | if ( header[ 0] != 0 || |
| 1401 | header[74] != 0 || |
| 1402 | header[82] != 0 || |
| 1403 | header[ 1] == 0 || |
| 1404 | header[ 1] > 33 || |
| 1405 | header[63] != 0 || |
| 1406 | header[2 + header[1]] != 0 ) |
| 1407 | return FT_Err_Unknown_File_Format; |
| 1408 | |
| 1409 | dlen = ( header[0x53] << 24 ) | |
| 1410 | ( header[0x54] << 16 ) | |
| 1411 | ( header[0x55] << 8 ) | |
| 1412 | header[0x56]; |
| 1413 | #if 0 |
| 1414 | rlen = ( header[0x57] << 24 ) | |
| 1415 | ( header[0x58] << 16 ) | |
| 1416 | ( header[0x59] << 8 ) | |
| 1417 | header[0x5a]; |
| 1418 | #endif /* 0 */ |
| 1419 | offset = 128 + ( ( dlen + 127 ) & ~127 ); |
| 1420 | |
| 1421 | return IsMacResource( library, stream, offset, face_index, aface ); |
| 1422 | |
| 1423 | Exit: |
| 1424 | return error; |
| 1425 | } |
| 1426 | |
| 1427 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1428 | static FT_Error |
| 1429 | load_face_in_embedded_rfork( FT_Library library, |
| 1430 | FT_Stream stream, |
| 1431 | FT_Long face_index, |
| 1432 | FT_Face *aface, |
| 1433 | const FT_Open_Args *args ) |
| 1434 | { |
| 1435 | |
| 1436 | #undef FT_COMPONENT |
| 1437 | #define FT_COMPONENT trace_raccess |
| 1438 | |
| 1439 | FT_Memory memory = library->memory; |
| 1440 | FT_Error error = FT_Err_Unknown_File_Format; |
| 1441 | int i; |
| 1442 | |
| 1443 | char * file_names[FT_RACCESS_N_RULES]; |
| 1444 | FT_Long offsets[FT_RACCESS_N_RULES]; |
| 1445 | FT_Error errors[FT_RACCESS_N_RULES]; |
| 1446 | |
| 1447 | FT_Open_Args args2; |
| 1448 | FT_Stream stream2; |
| 1449 | |
| 1450 | |
| 1451 | FT_Raccess_Guess( library, stream, |
| 1452 | args->pathname, file_names, offsets, errors ); |
| 1453 | |
| 1454 | for ( i = 0; i < FT_RACCESS_N_RULES; i++ ) |
| 1455 | { |
| 1456 | if ( errors[i] ) |
| 1457 | { |
| 1458 | FT_TRACE3(( "Error[%d] has occurred in rule %d\n", errors[i], i )); |
| 1459 | continue; |
| 1460 | } |
| 1461 | |
| 1462 | args2.flags = FT_OPEN_PATHNAME; |
| 1463 | args2.pathname = file_names[i] ? file_names[i] : args->pathname; |
| 1464 | |
| 1465 | FT_TRACE3(( "Try rule %d: %s (offset=%d) ...", |
| 1466 | i, args2.pathname, offsets[i] )); |
| 1467 | |
| 1468 | error = FT_Stream_New( library, &args2, &stream2 ); |
| 1469 | if ( error ) |
| 1470 | { |
| 1471 | FT_TRACE3(( "failed\n" )); |
| 1472 | continue; |
| 1473 | } |
| 1474 | |
| 1475 | error = IsMacResource( library, stream2, offsets[i], |
| 1476 | face_index, aface ); |
| 1477 | FT_Stream_Close( stream2 ); |
| 1478 | |
| 1479 | FT_TRACE3(( "%s\n", error ? "failed": "successful" )); |
| 1480 | |
| 1481 | if ( !error ) |
| 1482 | break; |
| 1483 | } |
| 1484 | |
| 1485 | for (i = 0; i < FT_RACCESS_N_RULES; i++) |
| 1486 | { |
| 1487 | if ( file_names[i] ) |
| 1488 | FT_FREE( file_names[i] ); |
| 1489 | } |
| 1490 | |
| 1491 | /* Caller (load_mac_face) requires FT_Err_Unknown_File_Format. */ |
| 1492 | if ( error ) |
| 1493 | error = FT_Err_Unknown_File_Format; |
| 1494 | |
| 1495 | return error; |
| 1496 | |
| 1497 | #undef FT_COMPONENT |
| 1498 | #define FT_COMPONENT trace_objs |
| 1499 | |
| 1500 | } |
| 1501 | |
| 1502 | |
| 1503 | /* Check for some macintosh formats. */ |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1504 | /* Is this a macbinary file? If so look at the resource fork. */ |
| 1505 | /* Is this a mac dfont file? */ |
| 1506 | /* Is this an old style resource fork? (in data) */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1507 | /* Else call load_face_in_embedded_rfork to try extra rules */ |
| 1508 | /* (defined in `ftrfork.c'). */ |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1509 | /* */ |
| 1510 | static FT_Error |
| 1511 | load_mac_face( FT_Library library, |
| 1512 | FT_Stream stream, |
| 1513 | FT_Long face_index, |
| 1514 | FT_Face *aface, |
| 1515 | const FT_Open_Args *args ) |
| 1516 | { |
| 1517 | FT_Error error; |
| 1518 | FT_UNUSED( args ); |
| 1519 | |
| 1520 | |
| 1521 | error = IsMacBinary( library, stream, face_index, aface ); |
| 1522 | if ( FT_ERROR_BASE( error ) == FT_Err_Unknown_File_Format ) |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1523 | { |
| 1524 | |
| 1525 | #undef FT_COMPONENT |
| 1526 | #define FT_COMPONENT trace_raccess |
| 1527 | |
| 1528 | FT_TRACE3(( "Try as dfont: %s ...", args->pathname )); |
| 1529 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1530 | error = IsMacResource( library, stream, 0, face_index, aface ); |
| 1531 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1532 | FT_TRACE3(( "%s\n", error ? "failed" : "successful" )); |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 1533 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1534 | #undef FT_COMPONENT |
| 1535 | #define FT_COMPONENT trace_objs |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1536 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1537 | } |
| 1538 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1539 | if ( ( FT_ERROR_BASE( error ) == FT_Err_Unknown_File_Format || |
| 1540 | FT_ERROR_BASE( error ) == FT_Err_Invalid_Stream_Operation ) && |
| 1541 | ( args->flags & FT_OPEN_PATHNAME ) ) |
| 1542 | error = load_face_in_embedded_rfork( library, stream, |
| 1543 | face_index, aface, args ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1544 | return error; |
| 1545 | } |
| 1546 | |
| 1547 | #endif /* !FT_MACINTOSH && FT_CONFIG_OPTION_MAC_FONTS */ |
| 1548 | |
| 1549 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1550 | /* documentation is in freetype.h */ |
| 1551 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1552 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | c4c373c | 2002-10-07 09:15:20 +0000 | [diff] [blame] | 1553 | FT_Open_Face( FT_Library library, |
| 1554 | const FT_Open_Args* args, |
| 1555 | FT_Long face_index, |
| 1556 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1557 | { |
| 1558 | FT_Error error; |
| 1559 | FT_Driver driver; |
| 1560 | FT_Memory memory; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1561 | FT_Stream stream; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1562 | FT_Face face = 0; |
| 1563 | FT_ListNode node = 0; |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1564 | FT_Bool external_stream; |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1565 | |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 1566 | |
Werner Lemberg | f9b0375 | 2000-09-11 22:50:13 +0000 | [diff] [blame] | 1567 | /* test for valid `library' delayed to */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1568 | /* FT_Stream_New() */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1569 | |
Werner Lemberg | ce235ea | 2005-05-17 20:35:23 +0000 | [diff] [blame] | 1570 | if ( ( !aface && face_index >= 0 ) || !args ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1571 | return FT_Err_Invalid_Argument; |
| 1572 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1573 | external_stream = FT_BOOL( ( args->flags & FT_OPEN_STREAM ) && |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 1574 | args->stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1575 | |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1576 | /* create input stream */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1577 | error = FT_Stream_New( library, args, &stream ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1578 | if ( error ) |
| 1579 | goto Exit; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1580 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1581 | memory = library->memory; |
| 1582 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1583 | /* If the font driver is specified in the `args' structure, use */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1584 | /* it. Otherwise, we scan the list of registered drivers. */ |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1585 | if ( ( args->flags & FT_OPEN_DRIVER ) && args->driver ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1586 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1587 | driver = FT_DRIVER( args->driver ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1588 | |
| 1589 | /* not all modules are drivers, so check... */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1590 | if ( FT_MODULE_IS_DRIVER( driver ) ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1591 | { |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 1592 | FT_Int num_params = 0; |
| 1593 | FT_Parameter* params = 0; |
| 1594 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1595 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1596 | if ( args->flags & FT_OPEN_PARAMS ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1597 | { |
| 1598 | num_params = args->num_params; |
| 1599 | params = args->params; |
| 1600 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1601 | |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1602 | error = open_face( driver, stream, face_index, |
| 1603 | num_params, params, &face ); |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1604 | if ( !error ) |
| 1605 | goto Success; |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1606 | } |
| 1607 | else |
| 1608 | error = FT_Err_Invalid_Handle; |
| 1609 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1610 | FT_Stream_Free( stream, external_stream ); |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1611 | goto Fail; |
| 1612 | } |
Just van Rossum | 1e5754f | 2000-03-02 10:52:57 +0000 | [diff] [blame] | 1613 | else |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1614 | { |
| 1615 | /* check each font driver for an appropriate format */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1616 | FT_Module* cur = library->modules; |
| 1617 | FT_Module* limit = cur + library->num_modules; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1618 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1619 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1620 | for ( ; cur < limit; cur++ ) |
| 1621 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1622 | /* not all modules are font drivers, so check... */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1623 | if ( FT_MODULE_IS_DRIVER( cur[0] ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1624 | { |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1625 | FT_Int num_params = 0; |
| 1626 | FT_Parameter* params = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1627 | |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 1628 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1629 | driver = FT_DRIVER( cur[0] ); |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1630 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1631 | if ( args->flags & FT_OPEN_PARAMS ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1632 | { |
| 1633 | num_params = args->num_params; |
| 1634 | params = args->params; |
| 1635 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1636 | |
Graham Asher | d53cf1d | 2002-07-18 15:04:29 +0000 | [diff] [blame] | 1637 | error = open_face( driver, stream, face_index, |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1638 | num_params, params, &face ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1639 | if ( !error ) |
| 1640 | goto Success; |
| 1641 | |
Werner Lemberg | 7986070 | 2001-06-08 21:17:29 +0000 | [diff] [blame] | 1642 | if ( FT_ERROR_BASE( error ) != FT_Err_Unknown_File_Format ) |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1643 | goto Fail3; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1644 | } |
| 1645 | } |
| 1646 | |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1647 | Fail3: |
| 1648 | /* If we are on the mac, and we get an FT_Err_Invalid_Stream_Operation */ |
| 1649 | /* it may be because we have an empty data fork, so we need to check */ |
| 1650 | /* the resource fork. */ |
| 1651 | if ( FT_ERROR_BASE( error ) != FT_Err_Unknown_File_Format && |
| 1652 | FT_ERROR_BASE( error ) != FT_Err_Invalid_Stream_Operation ) |
| 1653 | goto Fail2; |
| 1654 | |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 1655 | #if !defined( FT_MACINTOSH ) && defined( FT_CONFIG_OPTION_MAC_FONTS ) |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1656 | error = load_mac_face( library, stream, face_index, aface, args ); |
| 1657 | if ( !error ) |
| 1658 | { |
| 1659 | /* We don't want to go to Success here. We've already done that. */ |
| 1660 | /* On the other hand, if we succeeded we still need to close this */ |
| 1661 | /* stream (we opened a different stream which extracted the */ |
| 1662 | /* interesting information out of this stream here. That stream */ |
| 1663 | /* will still be open and the face will point to it). */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1664 | FT_Stream_Free( stream, external_stream ); |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1665 | return error; |
| 1666 | } |
| 1667 | |
| 1668 | if ( FT_ERROR_BASE( error ) != FT_Err_Unknown_File_Format ) |
| 1669 | goto Fail2; |
Werner Lemberg | dc8ad54 | 2003-12-09 02:12:14 +0000 | [diff] [blame] | 1670 | #endif /* !FT_MACINTOSH && FT_CONFIG_OPTION_MAC_FONTS */ |
Werner Lemberg | 51daa4f | 2003-05-18 22:40:11 +0000 | [diff] [blame] | 1671 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1672 | /* no driver is able to handle this format */ |
| 1673 | error = FT_Err_Unknown_File_Format; |
David Turner | ebe85f5 | 2001-05-11 14:25:57 +0000 | [diff] [blame] | 1674 | |
| 1675 | Fail2: |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1676 | FT_Stream_Free( stream, external_stream ); |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1677 | goto Fail; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1678 | } |
| 1679 | |
| 1680 | Success: |
Werner Lemberg | f9b0375 | 2000-09-11 22:50:13 +0000 | [diff] [blame] | 1681 | FT_TRACE4(( "FT_Open_Face: New face object, adding to list\n" )); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1682 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1683 | /* set the FT_FACE_FLAG_EXTERNAL_STREAM bit for FT_Done_Face */ |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1684 | if ( external_stream ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1685 | face->face_flags |= FT_FACE_FLAG_EXTERNAL_STREAM; |
| 1686 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1687 | /* add the face object to its driver's list */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1688 | if ( FT_NEW( node ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1689 | goto Fail; |
| 1690 | |
| 1691 | node->data = face; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1692 | /* don't assume driver is the same as face->driver, so use */ |
| 1693 | /* face->driver instead. */ |
Just van Rossum | 7eef536 | 2000-03-05 16:07:58 +0000 | [diff] [blame] | 1694 | FT_List_Add( &face->driver->faces_list, node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1695 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1696 | /* now allocate a glyph slot object for the face */ |
Werner Lemberg | b9ee737 | 2005-05-20 21:52:19 +0000 | [diff] [blame] | 1697 | FT_TRACE4(( "FT_Open_Face: Creating glyph slot\n" )); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1698 | |
David Turner | 92f30c8 | 2005-10-17 21:17:20 +0000 | [diff] [blame] | 1699 | if ( face_index >= 0 ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1700 | { |
David Turner | 92f30c8 | 2005-10-17 21:17:20 +0000 | [diff] [blame] | 1701 | error = FT_New_GlyphSlot( face, NULL ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1702 | if ( error ) |
| 1703 | goto Fail; |
| 1704 | |
David Turner | 92f30c8 | 2005-10-17 21:17:20 +0000 | [diff] [blame] | 1705 | /* finally, allocate a size object for the face */ |
| 1706 | { |
| 1707 | FT_Size size; |
| 1708 | |
| 1709 | |
| 1710 | FT_TRACE4(( "FT_Open_Face: Creating size object\n" )); |
| 1711 | |
| 1712 | error = FT_New_Size( face, &size ); |
| 1713 | if ( error ) |
| 1714 | goto Fail; |
| 1715 | |
| 1716 | face->size = size; |
| 1717 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1718 | } |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1719 | |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 1720 | /* some checks */ |
| 1721 | |
| 1722 | if ( FT_IS_SCALABLE( face ) ) |
| 1723 | { |
| 1724 | if ( face->height < 0 ) |
| 1725 | face->height = -face->height; |
| 1726 | |
| 1727 | if ( !FT_HAS_VERTICAL( face ) ) |
| 1728 | face->max_advance_height = face->height; |
| 1729 | } |
| 1730 | |
| 1731 | if ( FT_HAS_FIXED_SIZES( face ) ) |
| 1732 | { |
Werner Lemberg | 1723dcc | 2006-01-15 07:30:32 +0000 | [diff] [blame] | 1733 | FT_Int i; |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 1734 | |
| 1735 | |
| 1736 | for ( i = 0; i < face->num_fixed_sizes; i++ ) |
| 1737 | { |
| 1738 | FT_Bitmap_Size* bsize = face->available_sizes + i; |
| 1739 | |
| 1740 | |
| 1741 | if ( bsize->height < 0 ) |
| 1742 | bsize->height = -bsize->height; |
| 1743 | if ( bsize->x_ppem < 0 ) |
| 1744 | bsize->x_ppem = -bsize->x_ppem; |
| 1745 | if ( bsize->y_ppem < 0 ) |
| 1746 | bsize->y_ppem = -bsize->y_ppem; |
| 1747 | } |
| 1748 | } |
| 1749 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1750 | /* initialize internal face data */ |
| 1751 | { |
| 1752 | FT_Face_Internal internal = face->internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1753 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1754 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1755 | internal->transform_matrix.xx = 0x10000L; |
| 1756 | internal->transform_matrix.xy = 0; |
| 1757 | internal->transform_matrix.yx = 0; |
| 1758 | internal->transform_matrix.yy = 0x10000L; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1759 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1760 | internal->transform_delta.x = 0; |
| 1761 | internal->transform_delta.y = 0; |
| 1762 | } |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1763 | |
Werner Lemberg | ce235ea | 2005-05-17 20:35:23 +0000 | [diff] [blame] | 1764 | if ( aface ) |
| 1765 | *aface = face; |
Werner Lemberg | b2d0253 | 2005-11-04 06:58:49 +0000 | [diff] [blame] | 1766 | else |
| 1767 | FT_Done_Face( face ); |
| 1768 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1769 | goto Exit; |
| 1770 | |
| 1771 | Fail: |
| 1772 | FT_Done_Face( face ); |
| 1773 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1774 | Exit: |
| 1775 | FT_TRACE4(( "FT_Open_Face: Return %d\n", error )); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1776 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1777 | return error; |
| 1778 | } |
| 1779 | |
| 1780 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1781 | /* documentation is in freetype.h */ |
| 1782 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1783 | FT_EXPORT_DEF( FT_Error ) |
| 1784 | FT_Attach_File( FT_Face face, |
| 1785 | const char* filepathname ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1786 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1787 | FT_Open_Args open; |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1788 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1789 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1790 | /* test for valid `face' delayed to FT_Attach_Stream() */ |
| 1791 | |
| 1792 | if ( !filepathname ) |
| 1793 | return FT_Err_Invalid_Argument; |
| 1794 | |
Werner Lemberg | b8fdcd6 | 2004-08-03 03:28:11 +0000 | [diff] [blame] | 1795 | open.stream = NULL; |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1796 | open.flags = FT_OPEN_PATHNAME; |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1797 | open.pathname = (char*)filepathname; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1798 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1799 | return FT_Attach_Stream( face, &open ); |
| 1800 | } |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1801 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1802 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1803 | /* documentation is in freetype.h */ |
| 1804 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1805 | FT_EXPORT_DEF( FT_Error ) |
| 1806 | FT_Attach_Stream( FT_Face face, |
| 1807 | FT_Open_Args* parameters ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1808 | { |
| 1809 | FT_Stream stream; |
| 1810 | FT_Error error; |
| 1811 | FT_Driver driver; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1812 | |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 1813 | FT_Driver_Class clazz; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1814 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1815 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1816 | /* test for valid `parameters' delayed to FT_Stream_New() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1817 | |
| 1818 | if ( !face ) |
| 1819 | return FT_Err_Invalid_Face_Handle; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1820 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1821 | driver = face->driver; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1822 | if ( !driver ) |
| 1823 | return FT_Err_Invalid_Driver_Handle; |
| 1824 | |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1825 | error = FT_Stream_New( driver->root.library, parameters, &stream ); |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1826 | if ( error ) |
| 1827 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1828 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1829 | /* we implement FT_Attach_Stream in each driver through the */ |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1830 | /* `attach_file' interface */ |
| 1831 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1832 | error = FT_Err_Unimplemented_Feature; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1833 | clazz = driver->clazz; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1834 | if ( clazz->attach_file ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1835 | error = clazz->attach_file( face, stream ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1836 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1837 | /* close the attached stream */ |
Werner Lemberg | 7543533 | 2004-02-25 12:58:54 +0000 | [diff] [blame] | 1838 | FT_Stream_Free( stream, |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 1839 | (FT_Bool)( parameters->stream && |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1840 | ( parameters->flags & FT_OPEN_STREAM ) ) ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1841 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1842 | Exit: |
| 1843 | return error; |
| 1844 | } |
| 1845 | |
| 1846 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1847 | /* documentation is in freetype.h */ |
| 1848 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1849 | FT_EXPORT_DEF( FT_Error ) |
| 1850 | FT_Done_Face( FT_Face face ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1851 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1852 | FT_Error error; |
| 1853 | FT_Driver driver; |
| 1854 | FT_Memory memory; |
| 1855 | FT_ListNode node; |
| 1856 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1857 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1858 | error = FT_Err_Invalid_Face_Handle; |
| 1859 | if ( face && face->driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1860 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1861 | driver = face->driver; |
| 1862 | memory = driver->root.memory; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1863 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1864 | /* find face in driver's list */ |
| 1865 | node = FT_List_Find( &driver->faces_list, face ); |
| 1866 | if ( node ) |
| 1867 | { |
| 1868 | /* remove face object from the driver's list */ |
| 1869 | FT_List_Remove( &driver->faces_list, node ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1870 | FT_FREE( node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1871 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1872 | /* now destroy the object proper */ |
| 1873 | destroy_face( memory, face, driver ); |
| 1874 | error = FT_Err_Ok; |
| 1875 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1876 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1877 | return error; |
| 1878 | } |
| 1879 | |
| 1880 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1881 | /* documentation is in ftobjs.h */ |
| 1882 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1883 | FT_EXPORT_DEF( FT_Error ) |
| 1884 | FT_New_Size( FT_Face face, |
| 1885 | FT_Size *asize ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1886 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1887 | FT_Error error; |
| 1888 | FT_Memory memory; |
| 1889 | FT_Driver driver; |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 1890 | FT_Driver_Class clazz; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1891 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1892 | FT_Size size = 0; |
| 1893 | FT_ListNode node = 0; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1894 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1895 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1896 | if ( !face ) |
| 1897 | return FT_Err_Invalid_Face_Handle; |
| 1898 | |
| 1899 | if ( !asize ) |
| 1900 | return FT_Err_Invalid_Size_Handle; |
| 1901 | |
| 1902 | if ( !face->driver ) |
| 1903 | return FT_Err_Invalid_Driver_Handle; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1904 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1905 | *asize = 0; |
| 1906 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1907 | driver = face->driver; |
| 1908 | clazz = driver->clazz; |
| 1909 | memory = face->memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1910 | |
| 1911 | /* Allocate new size object and perform basic initialisation */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1912 | if ( FT_ALLOC( size, clazz->size_object_size ) || FT_NEW( node ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1913 | goto Exit; |
| 1914 | |
| 1915 | size->face = face; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1916 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1917 | /* for now, do not use any internal fields in size objects */ |
| 1918 | size->internal = 0; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1919 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1920 | if ( clazz->init_size ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1921 | error = clazz->init_size( size ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1922 | |
| 1923 | /* in case of success, add to the face's list */ |
| 1924 | if ( !error ) |
| 1925 | { |
| 1926 | *asize = size; |
| 1927 | node->data = size; |
| 1928 | FT_List_Add( &face->sizes_list, node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1929 | } |
| 1930 | |
| 1931 | Exit: |
| 1932 | if ( error ) |
| 1933 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1934 | FT_FREE( node ); |
| 1935 | FT_FREE( size ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1936 | } |
| 1937 | |
| 1938 | return error; |
| 1939 | } |
| 1940 | |
| 1941 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1942 | /* documentation is in ftobjs.h */ |
| 1943 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1944 | FT_EXPORT_DEF( FT_Error ) |
| 1945 | FT_Done_Size( FT_Size size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1946 | { |
| 1947 | FT_Error error; |
| 1948 | FT_Driver driver; |
| 1949 | FT_Memory memory; |
| 1950 | FT_Face face; |
| 1951 | FT_ListNode node; |
| 1952 | |
| 1953 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1954 | if ( !size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1955 | return FT_Err_Invalid_Size_Handle; |
| 1956 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1957 | face = size->face; |
| 1958 | if ( !face ) |
| 1959 | return FT_Err_Invalid_Face_Handle; |
| 1960 | |
| 1961 | driver = face->driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1962 | if ( !driver ) |
| 1963 | return FT_Err_Invalid_Driver_Handle; |
| 1964 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1965 | memory = driver->root.memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1966 | |
| 1967 | error = FT_Err_Ok; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1968 | node = FT_List_Find( &face->sizes_list, size ); |
| 1969 | if ( node ) |
| 1970 | { |
| 1971 | FT_List_Remove( &face->sizes_list, node ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1972 | FT_FREE( node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1973 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1974 | if ( face->size == size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1975 | { |
| 1976 | face->size = 0; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1977 | if ( face->sizes_list.head ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1978 | face->size = (FT_Size)(face->sizes_list.head->data); |
| 1979 | } |
| 1980 | |
| 1981 | destroy_size( memory, size, driver ); |
| 1982 | } |
| 1983 | else |
| 1984 | error = FT_Err_Invalid_Size_Handle; |
| 1985 | |
Werner Lemberg | cf24d51 | 2001-06-18 14:23:45 +0000 | [diff] [blame] | 1986 | return error; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1987 | } |
| 1988 | |
| 1989 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 1990 | /* documentation is in ftobjs.h */ |
| 1991 | |
| 1992 | FT_BASE_DEF( FT_Error ) |
| 1993 | FT_Match_Size( FT_Face face, |
| 1994 | FT_Size_Request req, |
| 1995 | FT_Bool ignore_width, |
| 1996 | FT_ULong* index ) |
| 1997 | { |
| 1998 | FT_Int i; |
| 1999 | FT_Long w, h; |
| 2000 | |
| 2001 | |
| 2002 | if ( !FT_HAS_FIXED_SIZES( face ) ) |
| 2003 | return FT_Err_Invalid_Face_Handle; |
| 2004 | |
| 2005 | /* FT_Bitmap_Size doesn't provide enough info... */ |
| 2006 | if ( req->type != FT_SIZE_REQUEST_TYPE_NOMINAL ) |
| 2007 | return FT_Err_Unimplemented_Feature; |
| 2008 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2009 | w = FT_REQUEST_WIDTH( req ); |
| 2010 | h = FT_REQUEST_HEIGHT( req ); |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2011 | |
| 2012 | if ( req->width && !req->height ) |
| 2013 | h = w; |
| 2014 | else if ( !req->width && req->height ) |
| 2015 | w = h; |
| 2016 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2017 | w = FT_PIX_ROUND( w ); |
| 2018 | h = FT_PIX_ROUND( h ); |
| 2019 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2020 | for ( i = 0; i < face->num_fixed_sizes; i++ ) |
| 2021 | { |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2022 | FT_Bitmap_Size* bsize = face->available_sizes + i; |
| 2023 | |
| 2024 | |
| 2025 | if ( h != FT_PIX_ROUND( bsize->y_ppem ) ) |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2026 | continue; |
| 2027 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2028 | 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] | 2029 | { |
| 2030 | if ( index ) |
| 2031 | *index = (FT_ULong)i; |
| 2032 | |
| 2033 | return FT_Err_Ok; |
| 2034 | } |
| 2035 | } |
| 2036 | |
| 2037 | return FT_Err_Invalid_Pixel_Size; |
| 2038 | } |
| 2039 | |
| 2040 | |
Wu, Chia-I (吳佳一) | 212aee0 | 2006-01-15 06:24:53 +0000 | [diff] [blame] | 2041 | /* documentation is in ftobjs.h */ |
| 2042 | |
| 2043 | FT_BASE_DEF( void ) |
Wu, Chia-I (吳佳一) | ea1e8d3 | 2006-01-15 15:01:45 +0000 | [diff] [blame] | 2044 | ft_synthesize_vertical_metrics( FT_Glyph_Metrics* metrics, |
| 2045 | FT_Pos advance ) |
Wu, Chia-I (吳佳一) | 212aee0 | 2006-01-15 06:24:53 +0000 | [diff] [blame] | 2046 | { |
Werner Lemberg | 1723dcc | 2006-01-15 07:30:32 +0000 | [diff] [blame] | 2047 | /* the factor 1.2 is a heuristical value */ |
Wu, Chia-I (吳佳一) | 212aee0 | 2006-01-15 06:24:53 +0000 | [diff] [blame] | 2048 | if ( !advance ) |
| 2049 | advance = metrics->height * 12 / 10; |
| 2050 | |
| 2051 | metrics->vertBearingX = -( metrics->width / 2 ); |
| 2052 | metrics->vertBearingY = ( advance - metrics->height ) / 2; |
| 2053 | metrics->vertAdvance = advance; |
| 2054 | } |
| 2055 | |
| 2056 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2057 | static void |
| 2058 | ft_recompute_scaled_metrics( FT_Face face, |
| 2059 | FT_Size_Metrics* metrics ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2060 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2061 | /* Compute root ascender, descender, test height, and max_advance */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2062 | |
Wu, Chia-I (吳佳一) | dcb8b71 | 2005-12-16 14:27:14 +0000 | [diff] [blame] | 2063 | metrics->ascender = FT_MulFix( face->ascender, |
| 2064 | metrics->y_scale ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2065 | |
Wu, Chia-I (吳佳一) | dcb8b71 | 2005-12-16 14:27:14 +0000 | [diff] [blame] | 2066 | metrics->descender = FT_MulFix( face->descender, |
| 2067 | metrics->y_scale ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2068 | |
Wu, Chia-I (吳佳一) | dcb8b71 | 2005-12-16 14:27:14 +0000 | [diff] [blame] | 2069 | metrics->height = FT_MulFix( face->height, |
| 2070 | metrics->y_scale ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2071 | |
Wu, Chia-I (吳佳一) | dcb8b71 | 2005-12-16 14:27:14 +0000 | [diff] [blame] | 2072 | metrics->max_advance = FT_MulFix( face->max_advance_width, |
| 2073 | metrics->x_scale ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2074 | } |
| 2075 | |
| 2076 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2077 | FT_BASE_DEF( void ) |
| 2078 | FT_Select_Metrics( FT_Face face, |
| 2079 | FT_ULong strike_index ) |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2080 | { |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2081 | FT_Size_Metrics* metrics; |
| 2082 | FT_Bitmap_Size* bsize; |
| 2083 | |
| 2084 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2085 | metrics = &face->size->metrics; |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2086 | bsize = face->available_sizes + strike_index; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2087 | |
| 2088 | metrics->x_ppem = ( bsize->x_ppem + 32 ) >> 6; |
| 2089 | metrics->y_ppem = ( bsize->y_ppem + 32 ) >> 6; |
| 2090 | |
| 2091 | if ( FT_IS_SCALABLE( face ) ) |
| 2092 | { |
| 2093 | metrics->x_scale = FT_DivFix( bsize->x_ppem, |
| 2094 | face->units_per_EM ); |
| 2095 | metrics->y_scale = FT_DivFix( bsize->y_ppem, |
| 2096 | face->units_per_EM ); |
| 2097 | |
| 2098 | ft_recompute_scaled_metrics( face, metrics ); |
| 2099 | } |
| 2100 | else |
| 2101 | { |
Werner Lemberg | 1723dcc | 2006-01-15 07:30:32 +0000 | [diff] [blame] | 2102 | metrics->x_scale = 1L << 22; |
| 2103 | metrics->y_scale = 1L << 22; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2104 | metrics->ascender = bsize->y_ppem; |
| 2105 | metrics->descender = 0; |
| 2106 | metrics->height = bsize->height << 6; |
| 2107 | metrics->max_advance = bsize->x_ppem; |
| 2108 | } |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2109 | } |
| 2110 | |
| 2111 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2112 | FT_BASE_DEF( void ) |
| 2113 | FT_Request_Metrics( FT_Face face, |
| 2114 | FT_Size_Request req ) |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2115 | { |
| 2116 | FT_Driver_Class clazz; |
| 2117 | FT_Size_Metrics* metrics; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2118 | |
| 2119 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2120 | clazz = face->driver->clazz; |
| 2121 | metrics = &face->size->metrics; |
| 2122 | |
| 2123 | if ( FT_IS_SCALABLE( face ) ) |
| 2124 | { |
| 2125 | FT_Long w, h, scaled_w, scaled_h; |
| 2126 | |
| 2127 | |
| 2128 | switch ( req->type ) |
| 2129 | { |
| 2130 | case FT_SIZE_REQUEST_TYPE_NOMINAL: |
| 2131 | w = h = face->units_per_EM; |
| 2132 | break; |
Werner Lemberg | f1c2b91 | 2006-01-13 14:53:28 +0000 | [diff] [blame] | 2133 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2134 | case FT_SIZE_REQUEST_TYPE_REAL_DIM: |
| 2135 | w = h = face->ascender - face->descender; |
| 2136 | break; |
Werner Lemberg | f1c2b91 | 2006-01-13 14:53:28 +0000 | [diff] [blame] | 2137 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2138 | case FT_SIZE_REQUEST_TYPE_CELL: |
| 2139 | w = face->max_advance_width; |
| 2140 | h = face->ascender - face->descender; |
| 2141 | break; |
Werner Lemberg | f1c2b91 | 2006-01-13 14:53:28 +0000 | [diff] [blame] | 2142 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2143 | case FT_SIZE_REQUEST_TYPE_BBOX: |
| 2144 | w = face->bbox.xMax - face->bbox.xMin; |
| 2145 | h = face->bbox.yMax - face->bbox.yMin; |
| 2146 | break; |
Werner Lemberg | f1c2b91 | 2006-01-13 14:53:28 +0000 | [diff] [blame] | 2147 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2148 | default: |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2149 | /* this never happens */ |
| 2150 | return; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2151 | break; |
| 2152 | } |
| 2153 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2154 | /* to be on the safe side */ |
Wu, Chia-I (吳佳一) | e5ff059 | 2006-01-15 06:00:49 +0000 | [diff] [blame] | 2155 | if ( w < 0 ) |
| 2156 | w = -w; |
| 2157 | |
| 2158 | if ( h < 0 ) |
| 2159 | h = -h; |
| 2160 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2161 | scaled_w = FT_REQUEST_WIDTH( req ); |
| 2162 | scaled_h = FT_REQUEST_HEIGHT( req ); |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2163 | |
| 2164 | /* determine scales */ |
| 2165 | if ( req->width ) |
| 2166 | { |
| 2167 | metrics->x_scale = FT_DivFix( scaled_w, w ); |
| 2168 | |
| 2169 | if ( req->height ) |
| 2170 | { |
| 2171 | metrics->y_scale = FT_DivFix( scaled_h, h ); |
| 2172 | |
| 2173 | if ( req->type == FT_SIZE_REQUEST_TYPE_CELL ) |
| 2174 | { |
| 2175 | if ( metrics->y_scale > metrics->x_scale ) |
| 2176 | metrics->y_scale = metrics->x_scale; |
| 2177 | else |
| 2178 | metrics->x_scale = metrics->y_scale; |
| 2179 | } |
| 2180 | } |
| 2181 | else |
| 2182 | { |
| 2183 | metrics->y_scale = metrics->x_scale; |
| 2184 | scaled_h = FT_MulDiv( scaled_w, h, w ); |
| 2185 | } |
| 2186 | } |
| 2187 | else |
| 2188 | { |
| 2189 | metrics->x_scale = metrics->y_scale = FT_DivFix( scaled_h, h ); |
| 2190 | scaled_w = FT_MulDiv( scaled_h, w, h ); |
| 2191 | } |
| 2192 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2193 | /* calculate the ppems */ |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2194 | if ( req->type != FT_SIZE_REQUEST_TYPE_NOMINAL ) |
| 2195 | { |
| 2196 | scaled_w = FT_MulFix( face->units_per_EM, metrics->x_scale ); |
| 2197 | scaled_h = FT_MulFix( face->units_per_EM, metrics->y_scale ); |
| 2198 | } |
| 2199 | |
| 2200 | metrics->x_ppem = ( scaled_w + 32 ) >> 6; |
| 2201 | metrics->y_ppem = ( scaled_h + 32 ) >> 6; |
| 2202 | |
| 2203 | ft_recompute_scaled_metrics( face, metrics ); |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2204 | } |
| 2205 | else |
| 2206 | { |
| 2207 | FT_ZERO( metrics ); |
Werner Lemberg | 1723dcc | 2006-01-15 07:30:32 +0000 | [diff] [blame] | 2208 | metrics->x_scale = 1L << 22; |
| 2209 | metrics->y_scale = 1L << 22; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2210 | } |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2211 | } |
| 2212 | |
| 2213 | |
| 2214 | /* documentation is in freetype.h */ |
| 2215 | |
| 2216 | FT_EXPORT_DEF( FT_Error ) |
| 2217 | FT_Select_Size( FT_Face face, |
| 2218 | FT_Int strike_index ) |
| 2219 | { |
| 2220 | FT_Driver_Class clazz; |
| 2221 | |
| 2222 | |
| 2223 | if ( !face || !FT_HAS_FIXED_SIZES( face ) ) |
| 2224 | return FT_Err_Invalid_Face_Handle; |
| 2225 | |
| 2226 | if ( strike_index < 0 || strike_index >= face->num_fixed_sizes ) |
| 2227 | return FT_Err_Invalid_Argument; |
| 2228 | |
| 2229 | clazz = face->driver->clazz; |
| 2230 | |
| 2231 | if ( clazz->select_size ) |
| 2232 | return clazz->select_size( face->size, (FT_ULong)strike_index ); |
| 2233 | |
| 2234 | FT_Select_Metrics( face, (FT_ULong)strike_index ); |
| 2235 | |
| 2236 | return FT_Err_Ok; |
| 2237 | } |
| 2238 | |
| 2239 | |
| 2240 | /* documentation is in freetype.h */ |
| 2241 | |
| 2242 | FT_EXPORT_DEF( FT_Error ) |
| 2243 | FT_Request_Size( FT_Face face, |
| 2244 | FT_Size_Request req ) |
| 2245 | { |
| 2246 | FT_Driver_Class clazz; |
| 2247 | FT_ULong strike_index; |
| 2248 | |
| 2249 | |
| 2250 | if ( !face ) |
| 2251 | return FT_Err_Invalid_Face_Handle; |
| 2252 | |
| 2253 | if ( !req || req->width < 0 || req->height < 0 || |
| 2254 | req->type >= FT_SIZE_REQUEST_TYPE_MAX ) |
| 2255 | return FT_Err_Invalid_Argument; |
| 2256 | |
| 2257 | clazz = face->driver->clazz; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2258 | |
| 2259 | if ( clazz->request_size ) |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2260 | return clazz->request_size( face->size, req ); |
| 2261 | |
Wu, Chia-I (吳佳一) | e33dc2e | 2006-01-14 05:09:30 +0000 | [diff] [blame] | 2262 | /* |
Werner Lemberg | 3d8eeb8 | 2006-01-14 07:10:45 +0000 | [diff] [blame] | 2263 | * The reason that a driver doesn't have `request_size' defined is |
| 2264 | * either that the scaling here suffices or that the supported formats |
| 2265 | * 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] | 2266 | * |
| 2267 | * In the latter case, a simple size matching is done. |
| 2268 | */ |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2269 | 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] | 2270 | { |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2271 | FT_Error error; |
Wu, Chia-I (吳佳一) | e33dc2e | 2006-01-14 05:09:30 +0000 | [diff] [blame] | 2272 | |
| 2273 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2274 | error = FT_Match_Size( face, req, 0, &strike_index ); |
| 2275 | if ( error ) |
| 2276 | return error; |
Wu, Chia-I (吳佳一) | e33dc2e | 2006-01-14 05:09:30 +0000 | [diff] [blame] | 2277 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2278 | FT_TRACE3(( "FT_Request_Size: bitmap strike %lu matched\n", strike_index )); |
| 2279 | |
| 2280 | 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] | 2281 | } |
| 2282 | |
Wu, Chia-I (吳佳一) | bcc438b | 2006-01-23 14:12:40 +0000 | [diff] [blame^] | 2283 | FT_Request_Metrics( face, req ); |
| 2284 | |
| 2285 | return FT_Err_Ok; |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2286 | } |
| 2287 | |
| 2288 | |
| 2289 | /* documentation is in freetype.h */ |
| 2290 | |
| 2291 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2292 | FT_Set_Char_Size( FT_Face face, |
| 2293 | FT_F26Dot6 char_width, |
| 2294 | FT_F26Dot6 char_height, |
| 2295 | FT_UInt horz_resolution, |
| 2296 | FT_UInt vert_resolution ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2297 | { |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2298 | FT_Size_RequestRec req; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2299 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2300 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2301 | req.type = FT_SIZE_REQUEST_TYPE_NOMINAL; |
| 2302 | req.width = char_width; |
| 2303 | req.height = char_height; |
| 2304 | req.horiResolution = ( horz_resolution ) ? horz_resolution : 72; |
| 2305 | req.vertResolution = ( vert_resolution ) ? vert_resolution : 72; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2306 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2307 | return FT_Request_Size( face, &req ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2308 | } |
| 2309 | |
| 2310 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2311 | /* documentation is in freetype.h */ |
| 2312 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2313 | FT_EXPORT_DEF( FT_Error ) |
| 2314 | FT_Set_Pixel_Sizes( FT_Face face, |
| 2315 | FT_UInt pixel_width, |
| 2316 | FT_UInt pixel_height ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2317 | { |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2318 | FT_Size_RequestRec req; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2319 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2320 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2321 | req.type = FT_SIZE_REQUEST_TYPE_NOMINAL; |
| 2322 | req.width = pixel_width << 6; |
| 2323 | req.height = pixel_height << 6; |
| 2324 | req.horiResolution = 0; |
| 2325 | req.vertResolution = 0; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2326 | |
Wu, Chia-I (吳佳一) | fa7d6ab | 2006-01-13 12:21:31 +0000 | [diff] [blame] | 2327 | return FT_Request_Size( face, &req ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2328 | } |
| 2329 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2330 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2331 | /* documentation is in freetype.h */ |
| 2332 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2333 | FT_EXPORT_DEF( FT_Error ) |
| 2334 | FT_Get_Kerning( FT_Face face, |
| 2335 | FT_UInt left_glyph, |
| 2336 | FT_UInt right_glyph, |
| 2337 | FT_UInt kern_mode, |
| 2338 | FT_Vector *akerning ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2339 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2340 | FT_Error error = FT_Err_Ok; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2341 | FT_Driver driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2342 | |
Werner Lemberg | a8bbc26 | 2000-07-01 14:06:46 +0000 | [diff] [blame] | 2343 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2344 | if ( !face ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2345 | return FT_Err_Invalid_Face_Handle; |
| 2346 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 2347 | if ( !akerning ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2348 | return FT_Err_Invalid_Argument; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2349 | |
| 2350 | driver = face->driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2351 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 2352 | akerning->x = 0; |
| 2353 | akerning->y = 0; |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2354 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2355 | if ( driver->clazz->get_kerning ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2356 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2357 | error = driver->clazz->get_kerning( face, |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2358 | left_glyph, |
| 2359 | right_glyph, |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 2360 | akerning ); |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2361 | if ( !error ) |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 2362 | { |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2363 | if ( kern_mode != FT_KERNING_UNSCALED ) |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 2364 | { |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 2365 | akerning->x = FT_MulFix( akerning->x, face->size->metrics.x_scale ); |
| 2366 | akerning->y = FT_MulFix( akerning->y, face->size->metrics.y_scale ); |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2367 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2368 | if ( kern_mode != FT_KERNING_UNFITTED ) |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2369 | { |
Werner Lemberg | 133eee0 | 2004-12-12 06:55:40 +0000 | [diff] [blame] | 2370 | /* we scale down kerning values for small ppem values */ |
| 2371 | /* to avoid that rounding makes them too big. */ |
| 2372 | /* `25' has been determined heuristically. */ |
| 2373 | if ( face->size->metrics.x_ppem < 25 ) |
| 2374 | akerning->x = FT_MulDiv( akerning->x, |
| 2375 | face->size->metrics.x_ppem, 25 ); |
| 2376 | if ( face->size->metrics.y_ppem < 25 ) |
| 2377 | akerning->y = FT_MulDiv( akerning->y, |
| 2378 | face->size->metrics.y_ppem, 25 ); |
| 2379 | |
| 2380 | akerning->x = FT_PIX_ROUND( akerning->x ); |
| 2381 | akerning->y = FT_PIX_ROUND( akerning->y ); |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 2382 | } |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 2383 | } |
| 2384 | } |
| 2385 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2386 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2387 | return error; |
| 2388 | } |
| 2389 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2390 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2391 | /* documentation is in freetype.h */ |
| 2392 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2393 | FT_EXPORT_DEF( FT_Error ) |
Wu, Chia-I (吳佳一) | 108fdbb | 2006-01-16 15:35:56 +0000 | [diff] [blame] | 2394 | FT_Get_Track_Kerning( FT_Face face, |
| 2395 | FT_Fixed point_size, |
| 2396 | FT_Int degree, |
| 2397 | FT_Fixed* akerning ) |
| 2398 | { |
| 2399 | FT_Service_Kerning service; |
| 2400 | FT_Error error = FT_Err_Ok; |
| 2401 | FT_Driver driver; |
| 2402 | |
| 2403 | |
| 2404 | if ( !face ) |
| 2405 | return FT_Err_Invalid_Face_Handle; |
| 2406 | |
| 2407 | if ( !akerning ) |
| 2408 | return FT_Err_Invalid_Argument; |
| 2409 | |
| 2410 | driver = face->driver; |
| 2411 | |
| 2412 | FT_FACE_FIND_SERVICE( face, service, KERNING ); |
| 2413 | if ( !service ) |
| 2414 | return FT_Err_Unimplemented_Feature; |
| 2415 | |
| 2416 | error = service->get_track( face, |
| 2417 | point_size, |
| 2418 | degree, |
| 2419 | akerning ); |
| 2420 | |
| 2421 | return error; |
| 2422 | } |
| 2423 | |
| 2424 | |
| 2425 | /* documentation is in freetype.h */ |
| 2426 | |
| 2427 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2428 | FT_Select_Charmap( FT_Face face, |
| 2429 | FT_Encoding encoding ) |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2430 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2431 | FT_CharMap* cur; |
| 2432 | FT_CharMap* limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2433 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2434 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2435 | if ( !face ) |
| 2436 | return FT_Err_Invalid_Face_Handle; |
| 2437 | |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 2438 | /* FT_ENCODING_UNICODE is special. We try to find the `best' Unicode */ |
| 2439 | /* charmap available, i.e., one with UCS-4 characters, if possible. */ |
| 2440 | /* */ |
| 2441 | /* This is done by find_unicode_charmap() above, to share code. */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 2442 | if ( encoding == FT_ENCODING_UNICODE ) |
| 2443 | return find_unicode_charmap( face ); |
| 2444 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2445 | cur = face->charmaps; |
| 2446 | if ( !cur ) |
| 2447 | return FT_Err_Invalid_CharMap_Handle; |
| 2448 | |
| 2449 | limit = cur + face->num_charmaps; |
| 2450 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2451 | for ( ; cur < limit; cur++ ) |
| 2452 | { |
| 2453 | if ( cur[0]->encoding == encoding ) |
| 2454 | { |
| 2455 | face->charmap = cur[0]; |
| 2456 | return 0; |
| 2457 | } |
| 2458 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2459 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2460 | return FT_Err_Invalid_Argument; |
| 2461 | } |
| 2462 | |
| 2463 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2464 | /* documentation is in freetype.h */ |
| 2465 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2466 | FT_EXPORT_DEF( FT_Error ) |
| 2467 | FT_Set_Charmap( FT_Face face, |
| 2468 | FT_CharMap charmap ) |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2469 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2470 | FT_CharMap* cur; |
| 2471 | FT_CharMap* limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2472 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2473 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 2474 | if ( !face ) |
| 2475 | return FT_Err_Invalid_Face_Handle; |
| 2476 | |
| 2477 | cur = face->charmaps; |
| 2478 | if ( !cur ) |
| 2479 | return FT_Err_Invalid_CharMap_Handle; |
| 2480 | |
| 2481 | limit = cur + face->num_charmaps; |
| 2482 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 2483 | for ( ; cur < limit; cur++ ) |
| 2484 | { |
| 2485 | if ( cur[0] == charmap ) |
| 2486 | { |
| 2487 | face->charmap = cur[0]; |
| 2488 | return 0; |
| 2489 | } |
| 2490 | } |
| 2491 | return FT_Err_Invalid_Argument; |
| 2492 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2493 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 2494 | |
Werner Lemberg | e95365b | 2004-04-24 14:43:37 +0000 | [diff] [blame] | 2495 | /* documentation is in freetype.h */ |
| 2496 | |
| 2497 | FT_EXPORT_DEF( FT_Int ) |
| 2498 | FT_Get_Charmap_Index( FT_CharMap charmap ) |
| 2499 | { |
| 2500 | FT_Int i; |
| 2501 | |
| 2502 | |
| 2503 | for ( i = 0; i < charmap->face->num_charmaps; i++ ) |
| 2504 | if ( charmap->face->charmaps[i] == charmap ) |
| 2505 | break; |
| 2506 | |
| 2507 | FT_ASSERT( i < charmap->face->num_charmaps ); |
| 2508 | |
| 2509 | return i; |
| 2510 | } |
| 2511 | |
| 2512 | |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2513 | static void |
| 2514 | ft_cmap_done_internal( FT_CMap cmap ) |
| 2515 | { |
| 2516 | FT_CMap_Class clazz = cmap->clazz; |
| 2517 | FT_Face face = cmap->charmap.face; |
| 2518 | FT_Memory memory = FT_FACE_MEMORY(face); |
| 2519 | |
| 2520 | |
| 2521 | if ( clazz->done ) |
| 2522 | clazz->done( cmap ); |
| 2523 | |
| 2524 | FT_FREE( cmap ); |
| 2525 | } |
| 2526 | |
| 2527 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2528 | FT_BASE_DEF( void ) |
| 2529 | FT_CMap_Done( FT_CMap cmap ) |
| 2530 | { |
| 2531 | if ( cmap ) |
| 2532 | { |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2533 | FT_Face face = cmap->charmap.face; |
| 2534 | FT_Memory memory = FT_FACE_MEMORY( face ); |
| 2535 | FT_Error error; |
| 2536 | FT_Int i, j; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2537 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2538 | |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2539 | for ( i = 0; i < face->num_charmaps; i++ ) |
| 2540 | { |
| 2541 | if ( (FT_CMap)face->charmaps[i] == cmap ) |
| 2542 | { |
| 2543 | FT_CharMap last_charmap = face->charmaps[face->num_charmaps - 1]; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2544 | |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2545 | |
| 2546 | if ( FT_RENEW_ARRAY( face->charmaps, |
| 2547 | face->num_charmaps, |
| 2548 | face->num_charmaps - 1 ) ) |
| 2549 | return; |
| 2550 | |
| 2551 | /* remove it from our list of charmaps */ |
| 2552 | for ( j = i + 1; j < face->num_charmaps; j++ ) |
| 2553 | { |
| 2554 | if ( j == face->num_charmaps - 1 ) |
| 2555 | face->charmaps[j - 1] = last_charmap; |
| 2556 | else |
| 2557 | face->charmaps[j - 1] = face->charmaps[j]; |
| 2558 | } |
| 2559 | |
| 2560 | face->num_charmaps--; |
| 2561 | |
| 2562 | if ( (FT_CMap)face->charmap == cmap ) |
| 2563 | face->charmap = NULL; |
| 2564 | |
| 2565 | ft_cmap_done_internal( cmap ); |
| 2566 | |
| 2567 | break; |
| 2568 | } |
| 2569 | } |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2570 | } |
| 2571 | } |
| 2572 | |
| 2573 | |
| 2574 | FT_BASE_DEF( FT_Error ) |
| 2575 | FT_CMap_New( FT_CMap_Class clazz, |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2576 | FT_Pointer init_data, |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2577 | FT_CharMap charmap, |
| 2578 | FT_CMap *acmap ) |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2579 | { |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 2580 | FT_Error error = FT_Err_Ok; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2581 | FT_Face face; |
| 2582 | FT_Memory memory; |
| 2583 | FT_CMap cmap; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2584 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2585 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2586 | if ( clazz == NULL || charmap == NULL || charmap->face == NULL ) |
| 2587 | return FT_Err_Invalid_Argument; |
| 2588 | |
| 2589 | face = charmap->face; |
Werner Lemberg | f35ff80 | 2003-06-02 21:58:05 +0000 | [diff] [blame] | 2590 | memory = FT_FACE_MEMORY( face ); |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2591 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2592 | if ( !FT_ALLOC( cmap, clazz->size ) ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2593 | { |
| 2594 | cmap->charmap = *charmap; |
| 2595 | cmap->clazz = clazz; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2596 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2597 | if ( clazz->init ) |
| 2598 | { |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2599 | error = clazz->init( cmap, init_data ); |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2600 | if ( error ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2601 | goto Fail; |
| 2602 | } |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2603 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2604 | /* add it to our list of charmaps */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2605 | if ( FT_RENEW_ARRAY( face->charmaps, |
| 2606 | face->num_charmaps, |
Werner Lemberg | 8acb867 | 2005-03-08 11:43:36 +0000 | [diff] [blame] | 2607 | face->num_charmaps + 1 ) ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2608 | goto Fail; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2609 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2610 | face->charmaps[face->num_charmaps++] = (FT_CharMap)cmap; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2611 | } |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2612 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2613 | Exit: |
| 2614 | if ( acmap ) |
| 2615 | *acmap = cmap; |
| 2616 | |
| 2617 | return error; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2618 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2619 | Fail: |
Werner Lemberg | e70371c | 2005-05-27 06:01:28 +0000 | [diff] [blame] | 2620 | ft_cmap_done_internal( cmap ); |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2621 | cmap = NULL; |
| 2622 | goto Exit; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2623 | } |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 2624 | |
| 2625 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2626 | /* documentation is in freetype.h */ |
| 2627 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2628 | FT_EXPORT_DEF( FT_UInt ) |
| 2629 | FT_Get_Char_Index( FT_Face face, |
| 2630 | FT_ULong charcode ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2631 | { |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2632 | FT_UInt result = 0; |
| 2633 | |
| 2634 | |
| 2635 | if ( face && face->charmap ) |
| 2636 | { |
| 2637 | FT_CMap cmap = FT_CMAP( face->charmap ); |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 2638 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2639 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2640 | result = cmap->clazz->char_index( cmap, charcode ); |
| 2641 | } |
| 2642 | return result; |
| 2643 | } |
| 2644 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2645 | |
Werner Lemberg | 0f7c2f1 | 2002-02-04 20:55:58 +0000 | [diff] [blame] | 2646 | /* documentation is in freetype.h */ |
| 2647 | |
| 2648 | FT_EXPORT_DEF( FT_ULong ) |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 2649 | FT_Get_First_Char( FT_Face face, |
| 2650 | FT_UInt *agindex ) |
Werner Lemberg | 0f7c2f1 | 2002-02-04 20:55:58 +0000 | [diff] [blame] | 2651 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2652 | FT_ULong result = 0; |
| 2653 | FT_UInt gindex = 0; |
| 2654 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2655 | |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 2656 | if ( face && face->charmap ) |
| 2657 | { |
| 2658 | gindex = FT_Get_Char_Index( face, 0 ); |
| 2659 | if ( gindex == 0 ) |
| 2660 | result = FT_Get_Next_Char( face, 0, &gindex ); |
| 2661 | } |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2662 | |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 2663 | if ( agindex ) |
| 2664 | *agindex = gindex; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 2665 | |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 2666 | return result; |
| 2667 | } |
| 2668 | |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 2669 | |
Werner Lemberg | 7b0cc66 | 2003-07-05 07:46:49 +0000 | [diff] [blame] | 2670 | /* documentation is in freetype.h */ |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2671 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2672 | FT_EXPORT_DEF( FT_ULong ) |
| 2673 | FT_Get_Next_Char( FT_Face face, |
| 2674 | FT_ULong charcode, |
| 2675 | FT_UInt *agindex ) |
| 2676 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2677 | FT_ULong result = 0; |
| 2678 | FT_UInt gindex = 0; |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2679 | |
| 2680 | |
| 2681 | if ( face && face->charmap ) |
| 2682 | { |
| 2683 | FT_UInt32 code = (FT_UInt32)charcode; |
| 2684 | FT_CMap cmap = FT_CMAP( face->charmap ); |
| 2685 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2686 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2687 | gindex = cmap->clazz->char_next( cmap, &code ); |
| 2688 | result = ( gindex == 0 ) ? 0 : code; |
| 2689 | } |
| 2690 | |
| 2691 | if ( agindex ) |
| 2692 | *agindex = gindex; |
| 2693 | |
| 2694 | return result; |
| 2695 | } |
| 2696 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 2697 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2698 | /* documentation is in freetype.h */ |
| 2699 | |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 2700 | FT_EXPORT_DEF( FT_UInt ) |
| 2701 | FT_Get_Name_Index( FT_Face face, |
| 2702 | FT_String* glyph_name ) |
| 2703 | { |
| 2704 | FT_UInt result = 0; |
| 2705 | |
| 2706 | |
| 2707 | if ( face && FT_HAS_GLYPH_NAMES( face ) ) |
| 2708 | { |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 2709 | FT_Service_GlyphDict service; |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 2710 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 2711 | |
Werner Lemberg | 46333a1 | 2003-09-17 19:20:02 +0000 | [diff] [blame] | 2712 | FT_FACE_LOOKUP_SERVICE( face, |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 2713 | service, |
| 2714 | GLYPH_DICT ); |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 2715 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 2716 | if ( service && service->name_index ) |
| 2717 | result = service->name_index( face, glyph_name ); |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 2718 | } |
| 2719 | |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 2720 | return result; |
| 2721 | } |
| 2722 | |
Werner Lemberg | aef3fc8 | 2001-12-17 16:21:22 +0000 | [diff] [blame] | 2723 | |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 2724 | /* documentation is in freetype.h */ |
| 2725 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2726 | FT_EXPORT_DEF( FT_Error ) |
| 2727 | FT_Get_Glyph_Name( FT_Face face, |
| 2728 | FT_UInt glyph_index, |
| 2729 | FT_Pointer buffer, |
| 2730 | FT_UInt buffer_max ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 2731 | { |
| 2732 | FT_Error error = FT_Err_Invalid_Argument; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 2733 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 2734 | |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 2735 | /* clean up buffer */ |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 2736 | if ( buffer && buffer_max > 0 ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 2737 | ((FT_Byte*)buffer)[0] = 0; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 2738 | |
Werner Lemberg | fd97d13 | 2002-06-16 01:14:16 +0000 | [diff] [blame] | 2739 | if ( face && |
| 2740 | glyph_index <= (FT_UInt)face->num_glyphs && |
| 2741 | FT_HAS_GLYPH_NAMES( face ) ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 2742 | { |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 2743 | FT_Service_GlyphDict service; |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 2744 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 2745 | |
Werner Lemberg | 46333a1 | 2003-09-17 19:20:02 +0000 | [diff] [blame] | 2746 | FT_FACE_LOOKUP_SERVICE( face, |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 2747 | service, |
| 2748 | GLYPH_DICT ); |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 2749 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 2750 | if ( service && service->get_name ) |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 2751 | error = service->get_name( face, glyph_index, buffer, buffer_max ); |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 2752 | } |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 2753 | |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 2754 | return error; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 2755 | } |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 2756 | |
| 2757 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 2758 | /* documentation is in freetype.h */ |
| 2759 | |
| 2760 | FT_EXPORT_DEF( const char* ) |
| 2761 | FT_Get_Postscript_Name( FT_Face face ) |
| 2762 | { |
| 2763 | const char* result = NULL; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 2764 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 2765 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 2766 | if ( !face ) |
| 2767 | goto Exit; |
| 2768 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 2769 | if ( !result ) |
| 2770 | { |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 2771 | FT_Service_PsFontName service; |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 2772 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 2773 | |
Werner Lemberg | 46333a1 | 2003-09-17 19:20:02 +0000 | [diff] [blame] | 2774 | FT_FACE_LOOKUP_SERVICE( face, |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 2775 | service, |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 2776 | POSTSCRIPT_FONT_NAME ); |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 2777 | |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 2778 | if ( service && service->get_ps_font_name ) |
| 2779 | result = service->get_ps_font_name( face ); |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 2780 | } |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 2781 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 2782 | Exit: |
| 2783 | return result; |
| 2784 | } |
| 2785 | |
| 2786 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2787 | /* documentation is in tttables.h */ |
| 2788 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2789 | FT_EXPORT_DEF( void* ) |
| 2790 | FT_Get_Sfnt_Table( FT_Face face, |
| 2791 | FT_Sfnt_Tag tag ) |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 2792 | { |
Werner Lemberg | 40bb096 | 2003-11-01 14:36:20 +0000 | [diff] [blame] | 2793 | void* table = 0; |
| 2794 | FT_Service_SFNT_Table service; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2795 | |
Werner Lemberg | 013efd1 | 2003-09-17 05:26:33 +0000 | [diff] [blame] | 2796 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 2797 | if ( face && FT_IS_SFNT( face ) ) |
| 2798 | { |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 2799 | FT_FACE_FIND_SERVICE( face, service, SFNT_TABLE ); |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 2800 | if ( service != NULL ) |
| 2801 | table = service->get_table( face, tag ); |
| 2802 | } |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 2803 | |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 2804 | return table; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 2805 | } |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 2806 | |
| 2807 | |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 2808 | /* documentation is in tttables.h */ |
| 2809 | |
| 2810 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame] | 2811 | FT_Load_Sfnt_Table( FT_Face face, |
| 2812 | FT_ULong tag, |
| 2813 | FT_Long offset, |
| 2814 | FT_Byte* buffer, |
| 2815 | FT_ULong* length ) |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 2816 | { |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 2817 | FT_Service_SFNT_Table service; |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 2818 | |
| 2819 | |
| 2820 | if ( !face || !FT_IS_SFNT( face ) ) |
| 2821 | return FT_Err_Invalid_Face_Handle; |
| 2822 | |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 2823 | FT_FACE_FIND_SERVICE( face, service, SFNT_TABLE ); |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 2824 | if ( service == NULL ) |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 2825 | return FT_Err_Unimplemented_Feature; |
David Turner | e2d1284 | 2003-09-21 17:15:55 +0000 | [diff] [blame] | 2826 | |
David Turner | c313c50 | 2003-09-11 19:51:54 +0000 | [diff] [blame] | 2827 | return service->load_table( face, tag, offset, buffer, length ); |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 2828 | } |
| 2829 | |
| 2830 | |
Werner Lemberg | 1743942 | 2004-08-11 05:25:37 +0000 | [diff] [blame] | 2831 | /* documentation is in tttables.h */ |
| 2832 | |
| 2833 | FT_EXPORT_DEF( FT_Error ) |
| 2834 | FT_Sfnt_Table_Info( FT_Face face, |
| 2835 | FT_UInt table_index, |
| 2836 | FT_ULong *tag, |
| 2837 | FT_ULong *length ) |
| 2838 | { |
| 2839 | FT_Service_SFNT_Table service; |
| 2840 | |
| 2841 | |
| 2842 | if ( !face || !FT_IS_SFNT( face ) ) |
| 2843 | return FT_Err_Invalid_Face_Handle; |
| 2844 | |
| 2845 | FT_FACE_FIND_SERVICE( face, service, SFNT_TABLE ); |
| 2846 | if ( service == NULL ) |
| 2847 | return FT_Err_Unimplemented_Feature; |
| 2848 | |
| 2849 | return service->table_info( face, table_index, tag, length ); |
| 2850 | } |
| 2851 | |
| 2852 | |
Werner Lemberg | ece8b20 | 2004-12-13 23:16:59 +0000 | [diff] [blame] | 2853 | /* documentation is in tttables.h */ |
| 2854 | |
Werner Lemberg | 91a6747 | 2003-12-17 14:28:22 +0000 | [diff] [blame] | 2855 | FT_EXPORT_DEF( FT_ULong ) |
| 2856 | FT_Get_CMap_Language_ID( FT_CharMap charmap ) |
| 2857 | { |
| 2858 | FT_Service_TTCMaps service; |
| 2859 | FT_Face face; |
| 2860 | TT_CMapInfo cmap_info; |
| 2861 | |
David Turner | 87c0d30 | 2003-12-24 01:10:46 +0000 | [diff] [blame] | 2862 | |
Werner Lemberg | 91a6747 | 2003-12-17 14:28:22 +0000 | [diff] [blame] | 2863 | if ( !charmap || !charmap->face ) |
| 2864 | return 0; |
| 2865 | |
| 2866 | face = charmap->face; |
| 2867 | FT_FACE_FIND_SERVICE( face, service, TT_CMAP ); |
| 2868 | if ( service == NULL ) |
| 2869 | return 0; |
| 2870 | if ( service->get_cmap_info( charmap, &cmap_info )) |
| 2871 | return 0; |
| 2872 | |
| 2873 | return cmap_info.language; |
| 2874 | } |
| 2875 | |
| 2876 | |
Werner Lemberg | ece8b20 | 2004-12-13 23:16:59 +0000 | [diff] [blame] | 2877 | /* documentation is in ftsizes.h */ |
| 2878 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 2879 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 2880 | FT_Activate_Size( FT_Size size ) |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 2881 | { |
| 2882 | FT_Face face; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 2883 | |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 2884 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 2885 | if ( size == NULL ) |
| 2886 | return FT_Err_Bad_Argument; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 2887 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 2888 | face = size->face; |
| 2889 | if ( face == NULL || face->driver == NULL ) |
| 2890 | return FT_Err_Bad_Argument; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 2891 | |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 2892 | /* we don't need anything more complex than that; all size objects */ |
| 2893 | /* are already listed by the face */ |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 2894 | face->size = size; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 2895 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 2896 | return FT_Err_Ok; |
| 2897 | } |
| 2898 | |
| 2899 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2900 | /*************************************************************************/ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2901 | /*************************************************************************/ |
| 2902 | /*************************************************************************/ |
| 2903 | /**** ****/ |
| 2904 | /**** ****/ |
| 2905 | /**** R E N D E R E R S ****/ |
| 2906 | /**** ****/ |
| 2907 | /**** ****/ |
| 2908 | /*************************************************************************/ |
| 2909 | /*************************************************************************/ |
| 2910 | /*************************************************************************/ |
| 2911 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2912 | /* lookup a renderer by glyph format in the library's list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2913 | FT_BASE_DEF( FT_Renderer ) |
| 2914 | FT_Lookup_Renderer( FT_Library library, |
| 2915 | FT_Glyph_Format format, |
| 2916 | FT_ListNode* node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2917 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2918 | FT_ListNode cur; |
| 2919 | FT_Renderer result = 0; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2920 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2921 | |
| 2922 | if ( !library ) |
| 2923 | goto Exit; |
| 2924 | |
| 2925 | cur = library->renderers.head; |
| 2926 | |
| 2927 | if ( node ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2928 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2929 | if ( *node ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2930 | cur = (*node)->next; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2931 | *node = 0; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2932 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2933 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2934 | while ( cur ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2935 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2936 | FT_Renderer renderer = FT_RENDERER( cur->data ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2937 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2938 | |
| 2939 | if ( renderer->glyph_format == format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2940 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2941 | if ( node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2942 | *node = cur; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2943 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2944 | result = renderer; |
| 2945 | break; |
| 2946 | } |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2947 | cur = cur->next; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2948 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2949 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2950 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2951 | return result; |
| 2952 | } |
| 2953 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2954 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2955 | static FT_Renderer |
| 2956 | ft_lookup_glyph_renderer( FT_GlyphSlot slot ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2957 | { |
| 2958 | FT_Face face = slot->face; |
| 2959 | FT_Library library = FT_FACE_LIBRARY( face ); |
| 2960 | FT_Renderer result = library->cur_renderer; |
| 2961 | |
| 2962 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2963 | if ( !result || result->glyph_format != slot->format ) |
David Turner | 81bb4ad | 2000-06-28 04:19:49 +0000 | [diff] [blame] | 2964 | result = FT_Lookup_Renderer( library, slot->format, 0 ); |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 2965 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2966 | return result; |
| 2967 | } |
| 2968 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2969 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2970 | static void |
| 2971 | ft_set_current_renderer( FT_Library library ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2972 | { |
| 2973 | FT_Renderer renderer; |
| 2974 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2975 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2976 | renderer = FT_Lookup_Renderer( library, FT_GLYPH_FORMAT_OUTLINE, 0 ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2977 | library->cur_renderer = renderer; |
| 2978 | } |
| 2979 | |
| 2980 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2981 | static FT_Error |
| 2982 | ft_add_renderer( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2983 | { |
| 2984 | FT_Library library = module->library; |
| 2985 | FT_Memory memory = library->memory; |
| 2986 | FT_Error error; |
| 2987 | FT_ListNode node; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2988 | |
| 2989 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2990 | if ( FT_NEW( node ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2991 | goto Exit; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2992 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2993 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2994 | FT_Renderer render = FT_RENDERER( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2995 | FT_Renderer_Class* clazz = (FT_Renderer_Class*)module->clazz; |
| 2996 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2997 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2998 | render->clazz = clazz; |
| 2999 | render->glyph_format = clazz->glyph_format; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3000 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3001 | /* allocate raster object if needed */ |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3002 | if ( clazz->glyph_format == FT_GLYPH_FORMAT_OUTLINE && |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3003 | clazz->raster_class->raster_new ) |
| 3004 | { |
| 3005 | error = clazz->raster_class->raster_new( memory, &render->raster ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3006 | if ( error ) |
| 3007 | goto Fail; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3008 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3009 | render->raster_render = clazz->raster_class->raster_render; |
| 3010 | render->render = clazz->render_glyph; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3011 | } |
| 3012 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3013 | /* add to list */ |
| 3014 | node->data = module; |
| 3015 | FT_List_Add( &library->renderers, node ); |
| 3016 | |
| 3017 | ft_set_current_renderer( library ); |
| 3018 | } |
| 3019 | |
| 3020 | Fail: |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3021 | if ( error ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3022 | FT_FREE( node ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3023 | |
| 3024 | Exit: |
| 3025 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3026 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3027 | |
| 3028 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3029 | static void |
| 3030 | ft_remove_renderer( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3031 | { |
| 3032 | FT_Library library = module->library; |
| 3033 | FT_Memory memory = library->memory; |
| 3034 | FT_ListNode node; |
| 3035 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3036 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3037 | node = FT_List_Find( &library->renderers, module ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3038 | if ( node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3039 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3040 | FT_Renderer render = FT_RENDERER( module ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3041 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3042 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3043 | /* release raster object, if any */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3044 | if ( render->raster ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3045 | render->clazz->raster_class->raster_done( render->raster ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3046 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3047 | /* remove from list */ |
| 3048 | FT_List_Remove( &library->renderers, node ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3049 | FT_FREE( node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3050 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3051 | ft_set_current_renderer( library ); |
| 3052 | } |
| 3053 | } |
| 3054 | |
| 3055 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3056 | /* documentation is in ftrender.h */ |
| 3057 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3058 | FT_EXPORT_DEF( FT_Renderer ) |
| 3059 | FT_Get_Renderer( FT_Library library, |
| 3060 | FT_Glyph_Format format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3061 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3062 | /* test for valid `library' delayed to FT_Lookup_Renderer() */ |
| 3063 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3064 | return FT_Lookup_Renderer( library, format, 0 ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3065 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3066 | |
| 3067 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3068 | /* documentation is in ftrender.h */ |
| 3069 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3070 | FT_EXPORT_DEF( FT_Error ) |
| 3071 | FT_Set_Renderer( FT_Library library, |
| 3072 | FT_Renderer renderer, |
| 3073 | FT_UInt num_params, |
| 3074 | FT_Parameter* parameters ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3075 | { |
| 3076 | FT_ListNode node; |
| 3077 | FT_Error error = FT_Err_Ok; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3078 | |
| 3079 | |
| 3080 | if ( !library ) |
| 3081 | return FT_Err_Invalid_Library_Handle; |
| 3082 | |
| 3083 | if ( !renderer ) |
| 3084 | return FT_Err_Invalid_Argument; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3085 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3086 | node = FT_List_Find( &library->renderers, renderer ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3087 | if ( !node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3088 | { |
| 3089 | error = FT_Err_Invalid_Argument; |
| 3090 | goto Exit; |
| 3091 | } |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3092 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3093 | FT_List_Up( &library->renderers, node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3094 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3095 | if ( renderer->glyph_format == FT_GLYPH_FORMAT_OUTLINE ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3096 | library->cur_renderer = renderer; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3097 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3098 | if ( num_params > 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3099 | { |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3100 | FT_Renderer_SetModeFunc set_mode = renderer->clazz->set_mode; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3101 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3102 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3103 | for ( ; num_params > 0; num_params-- ) |
| 3104 | { |
| 3105 | error = set_mode( renderer, parameters->tag, parameters->data ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3106 | if ( error ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3107 | break; |
| 3108 | } |
| 3109 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3110 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3111 | Exit: |
| 3112 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3113 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3114 | |
| 3115 | |
David Turner | 7504e48 | 2002-06-07 07:24:55 +0000 | [diff] [blame] | 3116 | FT_BASE_DEF( FT_Error ) |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 3117 | FT_Render_Glyph_Internal( FT_Library library, |
| 3118 | FT_GlyphSlot slot, |
| 3119 | FT_Render_Mode render_mode ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3120 | { |
| 3121 | FT_Error error = FT_Err_Ok; |
| 3122 | FT_Renderer renderer; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3123 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3124 | |
| 3125 | /* if it is already a bitmap, no need to do anything */ |
| 3126 | switch ( slot->format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3127 | { |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3128 | case FT_GLYPH_FORMAT_BITMAP: /* already a bitmap, don't do anything */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3129 | break; |
| 3130 | |
| 3131 | default: |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3132 | { |
| 3133 | FT_ListNode node = 0; |
| 3134 | FT_Bool update = 0; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3135 | |
| 3136 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3137 | /* small shortcut for the very common case */ |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 3138 | if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3139 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3140 | renderer = library->cur_renderer; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3141 | node = library->renderers.head; |
| 3142 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3143 | else |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3144 | renderer = FT_Lookup_Renderer( library, slot->format, &node ); |
| 3145 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3146 | error = FT_Err_Unimplemented_Feature; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3147 | while ( renderer ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3148 | { |
David Turner | c8ad30a | 2001-12-05 17:24:34 +0000 | [diff] [blame] | 3149 | error = renderer->render( renderer, slot, render_mode, NULL ); |
Werner Lemberg | 7986070 | 2001-06-08 21:17:29 +0000 | [diff] [blame] | 3150 | if ( !error || |
| 3151 | FT_ERROR_BASE( error ) != FT_Err_Cannot_Render_Glyph ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3152 | break; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3153 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3154 | /* FT_Err_Cannot_Render_Glyph is returned if the render mode */ |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3155 | /* is unsupported by the current renderer for this glyph image */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3156 | /* format. */ |
| 3157 | |
| 3158 | /* now, look for another renderer that supports the same */ |
| 3159 | /* format. */ |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3160 | renderer = FT_Lookup_Renderer( library, slot->format, &node ); |
| 3161 | update = 1; |
| 3162 | } |
| 3163 | |
| 3164 | /* if we changed the current renderer for the glyph image format */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3165 | /* we need to select it as the next current one */ |
| 3166 | if ( !error && update && renderer ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3167 | FT_Set_Renderer( library, renderer, 0, 0 ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3168 | } |
| 3169 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3170 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3171 | return error; |
| 3172 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3173 | |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3174 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3175 | /* documentation is in freetype.h */ |
| 3176 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3177 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 3178 | FT_Render_Glyph( FT_GlyphSlot slot, |
| 3179 | FT_Render_Mode render_mode ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3180 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3181 | FT_Library library; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3182 | |
| 3183 | |
| 3184 | if ( !slot ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3185 | return FT_Err_Invalid_Argument; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3186 | |
| 3187 | library = FT_FACE_LIBRARY( slot->face ); |
| 3188 | |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 3189 | return FT_Render_Glyph_Internal( library, slot, render_mode ); |
| 3190 | } |
| 3191 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3192 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3193 | /*************************************************************************/ |
| 3194 | /*************************************************************************/ |
| 3195 | /*************************************************************************/ |
| 3196 | /**** ****/ |
| 3197 | /**** ****/ |
| 3198 | /**** M O D U L E S ****/ |
| 3199 | /**** ****/ |
| 3200 | /**** ****/ |
| 3201 | /*************************************************************************/ |
| 3202 | /*************************************************************************/ |
| 3203 | /*************************************************************************/ |
| 3204 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3205 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3206 | /*************************************************************************/ |
| 3207 | /* */ |
| 3208 | /* <Function> */ |
| 3209 | /* Destroy_Module */ |
| 3210 | /* */ |
| 3211 | /* <Description> */ |
| 3212 | /* Destroys a given module object. For drivers, this also destroys */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3213 | /* all child faces. */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3214 | /* */ |
| 3215 | /* <InOut> */ |
| 3216 | /* module :: A handle to the target driver object. */ |
| 3217 | /* */ |
| 3218 | /* <Note> */ |
| 3219 | /* The driver _must_ be LOCKED! */ |
| 3220 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3221 | static void |
| 3222 | Destroy_Module( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3223 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 3224 | FT_Memory memory = module->memory; |
| 3225 | FT_Module_Class* clazz = module->clazz; |
| 3226 | FT_Library library = module->library; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3227 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3228 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3229 | /* finalize client-data - before anything else */ |
| 3230 | if ( module->generic.finalizer ) |
| 3231 | module->generic.finalizer( module ); |
| 3232 | |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 3233 | if ( library && library->auto_hinter == module ) |
| 3234 | library->auto_hinter = 0; |
| 3235 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3236 | /* if the module is a renderer */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3237 | if ( FT_MODULE_IS_RENDERER( module ) ) |
| 3238 | ft_remove_renderer( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3239 | |
| 3240 | /* if the module is a font driver, add some steps */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3241 | if ( FT_MODULE_IS_DRIVER( module ) ) |
| 3242 | Destroy_Driver( FT_DRIVER( module ) ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3243 | |
| 3244 | /* finalize the module object */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3245 | if ( clazz->module_done ) |
| 3246 | clazz->module_done( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3247 | |
| 3248 | /* discard it */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3249 | FT_FREE( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3250 | } |
| 3251 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3252 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 3253 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3254 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3255 | FT_EXPORT_DEF( FT_Error ) |
| 3256 | FT_Add_Module( FT_Library library, |
| 3257 | const FT_Module_Class* clazz ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3258 | { |
| 3259 | FT_Error error; |
| 3260 | FT_Memory memory; |
| 3261 | FT_Module module; |
| 3262 | FT_UInt nn; |
| 3263 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3264 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3265 | #define FREETYPE_VER_FIXED ( ( (FT_Long)FREETYPE_MAJOR << 16 ) | \ |
| 3266 | FREETYPE_MINOR ) |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3267 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3268 | if ( !library ) |
| 3269 | return FT_Err_Invalid_Library_Handle; |
| 3270 | |
| 3271 | if ( !clazz ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3272 | return FT_Err_Invalid_Argument; |
| 3273 | |
| 3274 | /* check freetype version */ |
| 3275 | if ( clazz->module_requires > FREETYPE_VER_FIXED ) |
| 3276 | return FT_Err_Invalid_Version; |
| 3277 | |
| 3278 | /* look for a module with the same name in the library's table */ |
| 3279 | for ( nn = 0; nn < library->num_modules; nn++ ) |
| 3280 | { |
| 3281 | module = library->modules[nn]; |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 3282 | if ( ft_strcmp( module->clazz->module_name, clazz->module_name ) == 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3283 | { |
| 3284 | /* this installed module has the same name, compare their versions */ |
| 3285 | if ( clazz->module_version <= module->clazz->module_version ) |
| 3286 | return FT_Err_Lower_Module_Version; |
| 3287 | |
| 3288 | /* remove the module from our list, then exit the loop to replace */ |
| 3289 | /* it by our new version.. */ |
| 3290 | FT_Remove_Module( library, module ); |
| 3291 | break; |
| 3292 | } |
| 3293 | } |
| 3294 | |
| 3295 | memory = library->memory; |
| 3296 | error = FT_Err_Ok; |
| 3297 | |
| 3298 | if ( library->num_modules >= FT_MAX_MODULES ) |
| 3299 | { |
| 3300 | error = FT_Err_Too_Many_Drivers; |
| 3301 | goto Exit; |
| 3302 | } |
| 3303 | |
| 3304 | /* allocate module object */ |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 3305 | if ( FT_ALLOC( module, clazz->module_size ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3306 | goto Exit; |
| 3307 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3308 | /* base initialization */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3309 | module->library = library; |
| 3310 | module->memory = memory; |
| 3311 | module->clazz = (FT_Module_Class*)clazz; |
| 3312 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3313 | /* check whether the module is a renderer - this must be performed */ |
| 3314 | /* before the normal module initialization */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3315 | if ( FT_MODULE_IS_RENDERER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3316 | { |
| 3317 | /* add to the renderers list */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3318 | error = ft_add_renderer( module ); |
| 3319 | if ( error ) |
| 3320 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3321 | } |
| 3322 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 3323 | /* is the module a auto-hinter? */ |
| 3324 | if ( FT_MODULE_IS_HINTER( module ) ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 3325 | library->auto_hinter = module; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 3326 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3327 | /* if the module is a font driver */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3328 | if ( FT_MODULE_IS_DRIVER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3329 | { |
| 3330 | /* allocate glyph loader if needed */ |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 3331 | FT_Driver driver = FT_DRIVER( module ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3332 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3333 | |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 3334 | driver->clazz = (FT_Driver_Class)module->clazz; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3335 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3336 | { |
| 3337 | error = FT_GlyphLoader_New( memory, &driver->glyph_loader ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3338 | if ( error ) |
| 3339 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3340 | } |
| 3341 | } |
| 3342 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3343 | if ( clazz->module_init ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3344 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3345 | error = clazz->module_init( module ); |
| 3346 | if ( error ) |
| 3347 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3348 | } |
| 3349 | |
| 3350 | /* add module to the library's table */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3351 | library->modules[library->num_modules++] = module; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3352 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3353 | Exit: |
| 3354 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3355 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3356 | Fail: |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3357 | if ( FT_MODULE_IS_DRIVER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3358 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3359 | FT_Driver driver = FT_DRIVER( module ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3360 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3361 | |
| 3362 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3363 | FT_GlyphLoader_Done( driver->glyph_loader ); |
| 3364 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3365 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3366 | if ( FT_MODULE_IS_RENDERER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3367 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3368 | FT_Renderer renderer = FT_RENDERER( module ); |
| 3369 | |
| 3370 | |
| 3371 | if ( renderer->raster ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3372 | renderer->clazz->raster_class->raster_done( renderer->raster ); |
| 3373 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3374 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3375 | FT_FREE( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3376 | goto Exit; |
| 3377 | } |
| 3378 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3379 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 3380 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3381 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3382 | FT_EXPORT_DEF( FT_Module ) |
| 3383 | FT_Get_Module( FT_Library library, |
| 3384 | const char* module_name ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3385 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3386 | FT_Module result = 0; |
| 3387 | FT_Module* cur; |
| 3388 | FT_Module* limit; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3389 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3390 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3391 | if ( !library || !module_name ) |
| 3392 | return result; |
| 3393 | |
| 3394 | cur = library->modules; |
| 3395 | limit = cur + library->num_modules; |
| 3396 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3397 | for ( ; cur < limit; cur++ ) |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 3398 | if ( ft_strcmp( cur[0]->clazz->module_name, module_name ) == 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3399 | { |
| 3400 | result = cur[0]; |
| 3401 | break; |
| 3402 | } |
| 3403 | |
| 3404 | return result; |
| 3405 | } |
| 3406 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3407 | |
Werner Lemberg | 6cdab92 | 2006-01-08 22:34:01 +0000 | [diff] [blame] | 3408 | /* documentation is in ftmodapi.h */ |
| 3409 | |
| 3410 | FT_EXPORT_DEF( FT_Error ) |
| 3411 | FT_Module_Get_Flags( FT_Module module, |
| 3412 | FT_ULong* flags ) |
| 3413 | { |
| 3414 | if ( !module ) |
| 3415 | return FT_Err_Invalid_Driver_Handle; |
| 3416 | |
| 3417 | if ( !flags ) |
| 3418 | return FT_Err_Invalid_Argument; |
| 3419 | |
| 3420 | *flags = module->clazz->module_flags; |
| 3421 | return FT_Err_Ok; |
| 3422 | } |
| 3423 | |
| 3424 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 3425 | /* documentation is in ftobjs.h */ |
| 3426 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3427 | FT_BASE_DEF( const void* ) |
| 3428 | FT_Get_Module_Interface( FT_Library library, |
| 3429 | const char* mod_name ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3430 | { |
| 3431 | FT_Module module; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3432 | |
| 3433 | |
| 3434 | /* test for valid `library' delayed to FT_Get_Module() */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3435 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3436 | module = FT_Get_Module( library, mod_name ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3437 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3438 | return module ? module->clazz->module_interface : 0; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3439 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3440 | |
| 3441 | |
David Turner | b72d8a8 | 2003-09-29 20:33:37 +0000 | [diff] [blame] | 3442 | FT_BASE_DEF( FT_Pointer ) |
| 3443 | ft_module_get_service( FT_Module module, |
| 3444 | const char* service_id ) |
| 3445 | { |
| 3446 | FT_Pointer result = NULL; |
| 3447 | |
| 3448 | if ( module ) |
| 3449 | { |
| 3450 | FT_ASSERT( module->clazz && module->clazz->get_interface ); |
| 3451 | |
| 3452 | /* first, look for the service in the module |
| 3453 | */ |
| 3454 | if ( module->clazz->get_interface ) |
| 3455 | result = module->clazz->get_interface( module, service_id ); |
| 3456 | |
| 3457 | if ( result == NULL ) |
| 3458 | { |
| 3459 | /* we didn't find it, look in all other modules then |
| 3460 | */ |
| 3461 | FT_Library library = module->library; |
| 3462 | FT_Module* cur = library->modules; |
| 3463 | FT_Module* limit = cur + library->num_modules; |
| 3464 | |
| 3465 | for ( ; cur < limit; cur++ ) |
| 3466 | { |
| 3467 | if ( cur[0] != module ) |
| 3468 | { |
| 3469 | FT_ASSERT( cur[0]->clazz ); |
| 3470 | |
| 3471 | if ( cur[0]->clazz->get_interface ) |
| 3472 | { |
| 3473 | result = cur[0]->clazz->get_interface( cur[0], service_id ); |
| 3474 | if ( result != NULL ) |
| 3475 | break; |
| 3476 | } |
| 3477 | } |
| 3478 | } |
| 3479 | } |
| 3480 | } |
| 3481 | |
| 3482 | return result; |
| 3483 | } |
| 3484 | |
| 3485 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 3486 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3487 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3488 | FT_EXPORT_DEF( FT_Error ) |
| 3489 | FT_Remove_Module( FT_Library library, |
| 3490 | FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3491 | { |
| 3492 | /* 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] | 3493 | |
| 3494 | if ( !library ) |
| 3495 | return FT_Err_Invalid_Library_Handle; |
| 3496 | |
| 3497 | if ( module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3498 | { |
| 3499 | FT_Module* cur = library->modules; |
| 3500 | FT_Module* limit = cur + library->num_modules; |
| 3501 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3502 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3503 | for ( ; cur < limit; cur++ ) |
| 3504 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 3505 | if ( cur[0] == module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3506 | { |
| 3507 | /* remove it from the table */ |
| 3508 | library->num_modules--; |
| 3509 | limit--; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3510 | while ( cur < limit ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3511 | { |
| 3512 | cur[0] = cur[1]; |
| 3513 | cur++; |
| 3514 | } |
| 3515 | limit[0] = 0; |
| 3516 | |
| 3517 | /* destroy the module */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3518 | Destroy_Module( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3519 | |
| 3520 | return FT_Err_Ok; |
| 3521 | } |
| 3522 | } |
| 3523 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 3524 | return FT_Err_Invalid_Driver_Handle; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3525 | } |
| 3526 | |
| 3527 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3528 | /*************************************************************************/ |
| 3529 | /*************************************************************************/ |
| 3530 | /*************************************************************************/ |
| 3531 | /**** ****/ |
| 3532 | /**** ****/ |
| 3533 | /**** L I B R A R Y ****/ |
| 3534 | /**** ****/ |
| 3535 | /**** ****/ |
| 3536 | /*************************************************************************/ |
| 3537 | /*************************************************************************/ |
| 3538 | /*************************************************************************/ |
| 3539 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3540 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 3541 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3542 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3543 | FT_EXPORT_DEF( FT_Error ) |
| 3544 | FT_New_Library( FT_Memory memory, |
| 3545 | FT_Library *alibrary ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3546 | { |
| 3547 | FT_Library library = 0; |
| 3548 | FT_Error error; |
| 3549 | |
| 3550 | |
| 3551 | if ( !memory ) |
| 3552 | return FT_Err_Invalid_Argument; |
| 3553 | |
David Turner | f574960 | 2002-04-18 10:07:26 +0000 | [diff] [blame] | 3554 | #ifdef FT_DEBUG_LEVEL_ERROR |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 3555 | /* init debugging support */ |
| 3556 | ft_debug_init(); |
David Turner | f574960 | 2002-04-18 10:07:26 +0000 | [diff] [blame] | 3557 | #endif |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 3558 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3559 | /* first of all, allocate the library object */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3560 | if ( FT_NEW( library ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3561 | return error; |
| 3562 | |
| 3563 | library->memory = memory; |
| 3564 | |
| 3565 | /* allocate the render pool */ |
| 3566 | library->raster_pool_size = FT_RENDER_POOL_SIZE; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3567 | if ( FT_ALLOC( library->raster_pool, FT_RENDER_POOL_SIZE ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3568 | goto Fail; |
| 3569 | |
| 3570 | /* That's ok now */ |
| 3571 | *alibrary = library; |
| 3572 | |
| 3573 | return FT_Err_Ok; |
| 3574 | |
| 3575 | Fail: |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3576 | FT_FREE( library ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3577 | return error; |
| 3578 | } |
| 3579 | |
| 3580 | |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3581 | /* documentation is in freetype.h */ |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 3582 | |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3583 | FT_EXPORT_DEF( void ) |
| 3584 | FT_Library_Version( FT_Library library, |
| 3585 | FT_Int *amajor, |
| 3586 | FT_Int *aminor, |
| 3587 | FT_Int *apatch ) |
| 3588 | { |
| 3589 | FT_Int major = 0; |
| 3590 | FT_Int minor = 0; |
| 3591 | FT_Int patch = 0; |
| 3592 | |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 3593 | |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3594 | if ( library ) |
| 3595 | { |
| 3596 | major = library->version_major; |
| 3597 | minor = library->version_minor; |
| 3598 | patch = library->version_patch; |
| 3599 | } |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 3600 | |
David Turner | d48575e | 2002-09-18 23:18:36 +0000 | [diff] [blame] | 3601 | if ( amajor ) |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3602 | *amajor = major; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 3603 | |
David Turner | d48575e | 2002-09-18 23:18:36 +0000 | [diff] [blame] | 3604 | if ( aminor ) |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3605 | *aminor = minor; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 3606 | |
David Turner | d48575e | 2002-09-18 23:18:36 +0000 | [diff] [blame] | 3607 | if ( apatch ) |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3608 | *apatch = patch; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 3609 | } |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 3610 | |
| 3611 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 3612 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3613 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3614 | FT_EXPORT_DEF( FT_Error ) |
| 3615 | FT_Done_Library( FT_Library library ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3616 | { |
| 3617 | FT_Memory memory; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3618 | |
| 3619 | |
| 3620 | if ( !library ) |
| 3621 | return FT_Err_Invalid_Library_Handle; |
| 3622 | |
| 3623 | memory = library->memory; |
| 3624 | |
| 3625 | /* Discard client-data */ |
| 3626 | if ( library->generic.finalizer ) |
| 3627 | library->generic.finalizer( library ); |
| 3628 | |
| 3629 | /* Close all modules in the library */ |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 3630 | #if 1 |
David Turner | c808748 | 2001-12-20 13:14:18 +0000 | [diff] [blame] | 3631 | while ( library->num_modules > 0 ) |
| 3632 | FT_Remove_Module( library, library->modules[0] ); |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 3633 | #else |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3634 | { |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 3635 | FT_UInt n; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3636 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 3637 | |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 3638 | for ( n = 0; n < library->num_modules; n++ ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3639 | { |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 3640 | FT_Module module = library->modules[n]; |
| 3641 | |
| 3642 | |
| 3643 | if ( module ) |
| 3644 | { |
| 3645 | Destroy_Module( module ); |
| 3646 | library->modules[n] = 0; |
| 3647 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3648 | } |
| 3649 | } |
David Turner | c808748 | 2001-12-20 13:14:18 +0000 | [diff] [blame] | 3650 | #endif |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3651 | |
| 3652 | /* Destroy raster objects */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3653 | FT_FREE( library->raster_pool ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3654 | library->raster_pool_size = 0; |
| 3655 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 3656 | FT_FREE( library ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3657 | return FT_Err_Ok; |
| 3658 | } |
| 3659 | |
| 3660 | |
Werner Lemberg | 748b171 | 2005-12-25 09:15:09 +0000 | [diff] [blame] | 3661 | /* documentation is in ftmodapi.h */ |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 3662 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 3663 | FT_EXPORT_DEF( void ) |
| 3664 | FT_Set_Debug_Hook( FT_Library library, |
| 3665 | FT_UInt hook_index, |
| 3666 | FT_DebugHook_Func debug_hook ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 3667 | { |
| 3668 | if ( library && debug_hook && |
| 3669 | hook_index < |
| 3670 | ( sizeof ( library->debug_hooks ) / sizeof ( void* ) ) ) |
| 3671 | library->debug_hooks[hook_index] = debug_hook; |
| 3672 | } |
| 3673 | |
| 3674 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 3675 | /* END */ |