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 | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame^] | 7 | /* Copyright 1996-2001, 2002, 2003 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 | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 22 | #include FT_INTERNAL_OBJECTS_H |
| 23 | #include FT_INTERNAL_DEBUG_H |
| 24 | #include FT_INTERNAL_STREAM_H |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 25 | #include FT_INTERNAL_SFNT_H /* for SFNT_Load_Table_Func */ |
Werner Lemberg | cc069be | 2000-12-08 16:17:16 +0000 | [diff] [blame] | 26 | #include FT_TRUETYPE_TABLES_H |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 27 | #include FT_TRUETYPE_IDS_H |
David Turner | f86709a | 2002-01-07 10:04:09 +0000 | [diff] [blame] | 28 | #include FT_OUTLINE_H |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 29 | |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 30 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 31 | FT_BASE_DEF( void ) |
| 32 | ft_validator_init( FT_Validator valid, |
| 33 | const FT_Byte* base, |
| 34 | const FT_Byte* limit, |
| 35 | FT_ValidationLevel level ) |
| 36 | { |
| 37 | valid->base = base; |
| 38 | valid->limit = limit; |
| 39 | valid->level = level; |
| 40 | valid->error = 0; |
| 41 | } |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 42 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 43 | |
| 44 | FT_BASE_DEF( FT_Int ) |
| 45 | ft_validator_run( FT_Validator valid ) |
| 46 | { |
| 47 | int result; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 48 | |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 49 | |
| 50 | result = ft_setjmp( valid->jump_buffer ); |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 51 | return result; |
| 52 | } |
| 53 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 54 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 55 | FT_BASE_DEF( void ) |
| 56 | ft_validator_error( FT_Validator valid, |
| 57 | FT_Error error ) |
| 58 | { |
| 59 | valid->error = error; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 60 | ft_longjmp( valid->jump_buffer, 1 ); |
| 61 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 62 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 63 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 64 | /*************************************************************************/ |
| 65 | /*************************************************************************/ |
| 66 | /*************************************************************************/ |
| 67 | /**** ****/ |
| 68 | /**** ****/ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 69 | /**** S T R E A M ****/ |
| 70 | /**** ****/ |
| 71 | /**** ****/ |
| 72 | /*************************************************************************/ |
| 73 | /*************************************************************************/ |
| 74 | /*************************************************************************/ |
| 75 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 76 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 77 | /* create a new input stream from a FT_Open_Args structure */ |
| 78 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 79 | static FT_Error |
Werner Lemberg | c4c373c | 2002-10-07 09:15:20 +0000 | [diff] [blame] | 80 | ft_input_stream_new( FT_Library library, |
| 81 | const FT_Open_Args* args, |
| 82 | FT_Stream* astream ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 83 | { |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 84 | FT_Error error; |
| 85 | FT_Memory memory; |
| 86 | FT_Stream stream; |
| 87 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 88 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 89 | if ( !library ) |
| 90 | return FT_Err_Invalid_Library_Handle; |
| 91 | |
| 92 | if ( !args ) |
| 93 | return FT_Err_Invalid_Argument; |
| 94 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 95 | *astream = 0; |
| 96 | memory = library->memory; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 97 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 98 | if ( FT_NEW( stream ) ) |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 99 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 100 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 101 | stream->memory = memory; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 102 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 103 | if ( args->flags & FT_OPEN_MEMORY ) |
Just van Rossum | d35aea7 | 2000-03-02 01:07:50 +0000 | [diff] [blame] | 104 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 105 | /* create a memory-based stream */ |
David Turner | 7d3a264 | 2002-03-20 10:49:31 +0000 | [diff] [blame] | 106 | FT_Stream_OpenMemory( stream, |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 107 | (const FT_Byte*)args->memory_base, |
| 108 | args->memory_size ); |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 109 | } |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 110 | else if ( args->flags & FT_OPEN_PATHNAME ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 111 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 112 | /* create a normal system stream */ |
| 113 | error = FT_Stream_Open( stream, args->pathname ); |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 114 | stream->pathname.pointer = args->pathname; |
| 115 | } |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 116 | else if ( ( args->flags & FT_OPEN_STREAM ) && args->stream ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 117 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 118 | /* use an existing, user-provided stream */ |
| 119 | |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 120 | /* in this case, we do not need to allocate a new stream object */ |
| 121 | /* since the caller is responsible for closing it himself */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 122 | FT_FREE( stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 123 | stream = args->stream; |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 124 | } |
| 125 | else |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 126 | error = FT_Err_Invalid_Argument; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 127 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 128 | if ( error ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 129 | FT_FREE( stream ); |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 130 | else |
| 131 | stream->memory = memory; /* just to be certain */ |
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 | *astream = stream; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 134 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 135 | Exit: |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 136 | return error; |
| 137 | } |
| 138 | |
| 139 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 140 | static void |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 141 | ft_input_stream_free( FT_Stream stream, |
| 142 | FT_Int external ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 143 | { |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 144 | if ( stream ) |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 145 | { |
| 146 | FT_Memory memory = stream->memory; |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 147 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 148 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 149 | FT_Stream_Close( stream ); |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 150 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 151 | if ( !external ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 152 | FT_FREE( stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 153 | } |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 154 | } |
| 155 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 156 | |
Werner Lemberg | eb81e37 | 2000-06-03 06:03:11 +0000 | [diff] [blame] | 157 | #undef FT_COMPONENT |
| 158 | #define FT_COMPONENT trace_objs |
| 159 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 160 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 161 | /*************************************************************************/ |
| 162 | /*************************************************************************/ |
| 163 | /*************************************************************************/ |
| 164 | /**** ****/ |
| 165 | /**** ****/ |
| 166 | /**** FACE, SIZE & GLYPH SLOT OBJECTS ****/ |
| 167 | /**** ****/ |
| 168 | /**** ****/ |
| 169 | /*************************************************************************/ |
| 170 | /*************************************************************************/ |
| 171 | /*************************************************************************/ |
| 172 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 173 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 174 | static FT_Error |
| 175 | ft_glyphslot_init( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 176 | { |
| 177 | FT_Driver driver = slot->face->driver; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 178 | FT_Driver_Class clazz = driver->clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 179 | FT_Memory memory = driver->root.memory; |
| 180 | FT_Error error = FT_Err_Ok; |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 181 | FT_Slot_Internal internal; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 182 | |
Werner Lemberg | a8bbc26 | 2000-07-01 14:06:46 +0000 | [diff] [blame] | 183 | |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 184 | slot->library = driver->root.library; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 185 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 186 | if ( FT_NEW( internal ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 187 | goto Exit; |
| 188 | |
| 189 | slot->internal = internal; |
| 190 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 191 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 192 | error = FT_GlyphLoader_New( memory, &internal->loader ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 193 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 194 | if ( !error && clazz->init_slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 195 | error = clazz->init_slot( slot ); |
| 196 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 197 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 198 | return error; |
| 199 | } |
| 200 | |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 201 | FT_BASE_DEF( void ) |
| 202 | ft_glyphslot_free_bitmap( FT_GlyphSlot slot ) |
| 203 | { |
| 204 | if ( slot->flags & FT_GLYPH_OWN_BITMAP ) |
| 205 | { |
| 206 | FT_Memory memory = FT_FACE_MEMORY( slot->face ); |
| 207 | |
| 208 | |
| 209 | FT_FREE( slot->bitmap.buffer ); |
| 210 | slot->flags &= ~FT_GLYPH_OWN_BITMAP; |
| 211 | } |
| 212 | else |
| 213 | { |
| 214 | /* assume that the bitmap buffer was stolen or not */ |
| 215 | /* allocated from the heap */ |
| 216 | slot->bitmap.buffer = NULL; |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | |
| 221 | FT_BASE_DEF( void ) |
| 222 | ft_glyphslot_set_bitmap( FT_GlyphSlot slot, |
| 223 | FT_Pointer buffer ) |
| 224 | { |
| 225 | ft_glyphslot_free_bitmap( slot ); |
| 226 | |
| 227 | slot->bitmap.buffer = buffer; |
| 228 | |
| 229 | FT_ASSERT( (slot->flags & FT_GLYPH_OWN_BITMAP) == 0 ); |
| 230 | } |
| 231 | |
| 232 | |
| 233 | FT_BASE_DEF( FT_Error ) |
| 234 | ft_glyphslot_alloc_bitmap( FT_GlyphSlot slot, |
| 235 | FT_ULong size ) |
| 236 | { |
| 237 | FT_Memory memory = FT_FACE_MEMORY( slot->face ); |
| 238 | |
| 239 | |
| 240 | if ( slot->flags & FT_GLYPH_OWN_BITMAP ) |
| 241 | FT_FREE( slot->bitmap.buffer ); |
| 242 | else |
| 243 | slot->flags |= FT_GLYPH_OWN_BITMAP; |
| 244 | |
| 245 | return FT_MEM_ALLOC( slot->bitmap.buffer, size ); |
| 246 | } |
| 247 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 248 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 249 | static void |
| 250 | ft_glyphslot_clear( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 251 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 252 | /* free bitmap if needed */ |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 253 | ft_glyphslot_free_bitmap( slot ); |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 254 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 255 | /* clear all public fields in the glyph slot */ |
David Turner | 3249c62 | 2002-10-31 08:30:19 +0000 | [diff] [blame] | 256 | FT_ZERO( &slot->metrics ); |
| 257 | FT_ZERO( &slot->outline ); |
| 258 | |
| 259 | slot->bitmap.width = 0; |
| 260 | slot->bitmap.rows = 0; |
| 261 | slot->bitmap.pitch = 0; |
| 262 | slot->bitmap.pixel_mode = 0; |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame^] | 263 | /* don't touch 'slot->bitmap.buffer'! */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 264 | |
| 265 | slot->bitmap_left = 0; |
| 266 | slot->bitmap_top = 0; |
| 267 | slot->num_subglyphs = 0; |
| 268 | slot->subglyphs = 0; |
| 269 | slot->control_data = 0; |
| 270 | slot->control_len = 0; |
| 271 | slot->other = 0; |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 272 | slot->format = FT_GLYPH_FORMAT_NONE; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 273 | |
| 274 | slot->linearHoriAdvance = 0; |
| 275 | slot->linearVertAdvance = 0; |
| 276 | } |
| 277 | |
| 278 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 279 | static void |
| 280 | ft_glyphslot_done( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 281 | { |
| 282 | FT_Driver driver = slot->face->driver; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 283 | FT_Driver_Class clazz = driver->clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 284 | FT_Memory memory = driver->root.memory; |
| 285 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 286 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 287 | if ( clazz->done_slot ) |
| 288 | clazz->done_slot( slot ); |
| 289 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 290 | /* free bitmap buffer if needed */ |
David Turner | 66cbc20 | 2003-03-20 07:04:40 +0000 | [diff] [blame] | 291 | ft_glyphslot_free_bitmap( slot ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 292 | |
| 293 | /* free glyph loader */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 294 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 295 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 296 | FT_GlyphLoader_Done( slot->internal->loader ); |
| 297 | slot->internal->loader = 0; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 298 | } |
| 299 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 300 | FT_FREE( slot->internal ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 301 | } |
| 302 | |
| 303 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 304 | /* documentation is in ftobjs.h */ |
| 305 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 306 | FT_BASE_DEF( FT_Error ) |
| 307 | FT_New_GlyphSlot( FT_Face face, |
| 308 | FT_GlyphSlot *aslot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 309 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 310 | FT_Error error; |
| 311 | FT_Driver driver; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 312 | FT_Driver_Class clazz; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 313 | FT_Memory memory; |
| 314 | FT_GlyphSlot slot; |
| 315 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 316 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 317 | if ( !face || !aslot || !face->driver ) |
| 318 | return FT_Err_Invalid_Argument; |
| 319 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 320 | *aslot = 0; |
| 321 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 322 | driver = face->driver; |
| 323 | clazz = driver->clazz; |
| 324 | memory = driver->root.memory; |
| 325 | |
| 326 | FT_TRACE4(( "FT_New_GlyphSlot: Creating new slot object\n" )); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 327 | if ( !FT_ALLOC( slot, clazz->slot_object_size ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 328 | { |
| 329 | slot->face = face; |
| 330 | |
| 331 | error = ft_glyphslot_init( slot ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 332 | if ( error ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 333 | { |
| 334 | ft_glyphslot_done( slot ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 335 | FT_FREE( slot ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 336 | goto Exit; |
| 337 | } |
| 338 | |
| 339 | *aslot = slot; |
| 340 | } |
| 341 | |
| 342 | Exit: |
| 343 | FT_TRACE4(( "FT_New_GlyphSlot: Return %d\n", error )); |
| 344 | return error; |
| 345 | } |
| 346 | |
| 347 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 348 | /* documentation is in ftobjs.h */ |
| 349 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 350 | FT_BASE_DEF( void ) |
| 351 | FT_Done_GlyphSlot( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 352 | { |
| 353 | if ( slot ) |
| 354 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 355 | FT_Driver driver = slot->face->driver; |
| 356 | FT_Memory memory = driver->root.memory; |
| 357 | FT_GlyphSlot* parent; |
| 358 | FT_GlyphSlot cur; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 359 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 360 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 361 | /* Remove slot from its parent face's list */ |
| 362 | parent = &slot->face->glyph; |
| 363 | cur = *parent; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 364 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 365 | while ( cur ) |
| 366 | { |
| 367 | if ( cur == slot ) |
| 368 | { |
| 369 | *parent = cur->next; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 370 | ft_glyphslot_done( slot ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 371 | FT_FREE( slot ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 372 | break; |
| 373 | } |
| 374 | cur = cur->next; |
| 375 | } |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 380 | /* documentation is in freetype.h */ |
| 381 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 382 | FT_EXPORT_DEF( void ) |
| 383 | FT_Set_Transform( FT_Face face, |
| 384 | FT_Matrix* matrix, |
| 385 | FT_Vector* delta ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 386 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 387 | FT_Face_Internal internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 388 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 389 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 390 | if ( !face ) |
| 391 | return; |
| 392 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 393 | internal = face->internal; |
| 394 | |
| 395 | internal->transform_flags = 0; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 396 | |
| 397 | if ( !matrix ) |
| 398 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 399 | internal->transform_matrix.xx = 0x10000L; |
| 400 | internal->transform_matrix.xy = 0; |
| 401 | internal->transform_matrix.yx = 0; |
| 402 | internal->transform_matrix.yy = 0x10000L; |
| 403 | matrix = &internal->transform_matrix; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 404 | } |
| 405 | else |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 406 | internal->transform_matrix = *matrix; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 407 | |
| 408 | /* set transform_flags bit flag 0 if `matrix' isn't the identity */ |
| 409 | if ( ( matrix->xy | matrix->yx ) || |
| 410 | matrix->xx != 0x10000L || |
| 411 | matrix->yy != 0x10000L ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 412 | internal->transform_flags |= 1; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 413 | |
| 414 | if ( !delta ) |
| 415 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 416 | internal->transform_delta.x = 0; |
| 417 | internal->transform_delta.y = 0; |
| 418 | delta = &internal->transform_delta; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 419 | } |
| 420 | else |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 421 | internal->transform_delta = *delta; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 422 | |
| 423 | /* set transform_flags bit flag 1 if `delta' isn't the null vector */ |
| 424 | if ( delta->x | delta->y ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 425 | internal->transform_flags |= 2; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 426 | } |
| 427 | |
| 428 | |
David Turner | 27c322e | 2002-07-08 22:26:11 +0000 | [diff] [blame] | 429 | /* documentation is in freetype.h */ |
| 430 | |
| 431 | FT_EXPORT_DEF( void ) |
| 432 | FT_Set_Hint_Flags( FT_Face face, |
| 433 | FT_ULong flags ) |
| 434 | { |
| 435 | FT_Face_Internal internal; |
| 436 | |
| 437 | if ( !face ) |
| 438 | return; |
| 439 | |
| 440 | internal = face->internal; |
| 441 | |
| 442 | internal->hint_flags = (FT_UInt)flags; |
| 443 | } |
| 444 | |
| 445 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 446 | static FT_Renderer |
| 447 | ft_lookup_glyph_renderer( FT_GlyphSlot slot ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 448 | |
| 449 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 450 | /* documentation is in freetype.h */ |
| 451 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 452 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | 6b5c669 | 2002-09-05 15:10:54 +0000 | [diff] [blame] | 453 | FT_Load_Glyph( FT_Face face, |
| 454 | FT_UInt glyph_index, |
| 455 | FT_Int32 load_flags ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 456 | { |
| 457 | FT_Error error; |
| 458 | FT_Driver driver; |
| 459 | FT_GlyphSlot slot; |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 460 | FT_Library library; |
| 461 | FT_Bool autohint; |
| 462 | FT_Module hinter; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 463 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 464 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 465 | if ( !face || !face->size || !face->glyph ) |
| 466 | return FT_Err_Invalid_Face_Handle; |
| 467 | |
Werner Lemberg | fd97d13 | 2002-06-16 01:14:16 +0000 | [diff] [blame] | 468 | if ( glyph_index > (FT_UInt)face->num_glyphs ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 469 | return FT_Err_Invalid_Argument; |
| 470 | |
| 471 | slot = face->glyph; |
| 472 | ft_glyphslot_clear( slot ); |
| 473 | |
| 474 | driver = face->driver; |
| 475 | |
Werner Lemberg | 0d53511 | 2001-12-19 22:26:12 +0000 | [diff] [blame] | 476 | /* if the flag NO_RECURSE is set, we disable hinting and scaling */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 477 | if ( load_flags & FT_LOAD_NO_RECURSE ) |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 478 | { |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 479 | /* disable scaling, hinting, and transformation */ |
| 480 | load_flags |= FT_LOAD_NO_SCALE | |
| 481 | FT_LOAD_NO_HINTING | |
David Turner | 80171e0 | 2002-10-05 14:57:03 +0000 | [diff] [blame] | 482 | FT_LOAD_NO_BITMAP | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 483 | FT_LOAD_IGNORE_TRANSFORM; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 484 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 485 | /* disable bitmap rendering */ |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 486 | load_flags &= ~FT_LOAD_RENDER; |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 487 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 488 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 489 | /* do we need to load the glyph through the auto-hinter? */ |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 490 | library = driver->root.library; |
| 491 | hinter = library->auto_hinter; |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 492 | autohint = |
David Turner | 21f433c | 2002-08-21 22:06:41 +0000 | [diff] [blame] | 493 | FT_BOOL( hinter && |
David Turner | 00d9f40 | 2002-09-08 21:29:11 +0000 | [diff] [blame] | 494 | !( load_flags & ( FT_LOAD_NO_SCALE | |
| 495 | FT_LOAD_NO_HINTING | |
David Turner | 21f433c | 2002-08-21 22:06:41 +0000 | [diff] [blame] | 496 | FT_LOAD_NO_AUTOHINT ) ) && |
| 497 | FT_DRIVER_IS_SCALABLE( driver ) && |
| 498 | FT_DRIVER_USES_OUTLINES( driver ) ); |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 499 | if ( autohint ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 500 | { |
| 501 | if ( FT_DRIVER_HAS_HINTER( driver ) && |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 502 | !( load_flags & FT_LOAD_FORCE_AUTOHINT ) ) |
| 503 | autohint = 0; |
| 504 | } |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 505 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 506 | if ( autohint ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 507 | { |
David Turner | 9657ef0 | 2002-03-14 08:49:59 +0000 | [diff] [blame] | 508 | FT_AutoHinter_Service hinting; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 509 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 510 | |
Werner Lemberg | 0d53511 | 2001-12-19 22:26:12 +0000 | [diff] [blame] | 511 | /* try to load embedded bitmaps first if available */ |
| 512 | /* */ |
| 513 | /* XXX: This is really a temporary hack that should disappear */ |
| 514 | /* promptly with FreeType 2.1! */ |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 515 | /* */ |
Werner Lemberg | eacb930 | 2002-10-07 10:12:43 +0000 | [diff] [blame] | 516 | if ( FT_HAS_FIXED_SIZES( face ) && |
David Turner | 80171e0 | 2002-10-05 14:57:03 +0000 | [diff] [blame] | 517 | ( load_flags & FT_LOAD_NO_BITMAP ) == 0 ) |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 518 | { |
| 519 | error = driver->clazz->load_glyph( slot, face->size, |
| 520 | glyph_index, |
| 521 | load_flags | FT_LOAD_SBITS_ONLY ); |
| 522 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 523 | if ( !error && slot->format == FT_GLYPH_FORMAT_BITMAP ) |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 524 | goto Load_Ok; |
| 525 | } |
| 526 | |
| 527 | /* load auto-hinted outline */ |
David Turner | 9657ef0 | 2002-03-14 08:49:59 +0000 | [diff] [blame] | 528 | hinting = (FT_AutoHinter_Service)hinter->clazz->module_interface; |
David Turner | 76a5f62 | 2000-11-04 01:55:49 +0000 | [diff] [blame] | 529 | |
| 530 | error = hinting->load_glyph( (FT_AutoHinter)hinter, |
| 531 | slot, face->size, |
| 532 | glyph_index, load_flags ); |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 533 | } |
| 534 | else |
David Turner | 662b344 | 2002-01-03 16:56:59 +0000 | [diff] [blame] | 535 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 536 | error = driver->clazz->load_glyph( slot, |
| 537 | face->size, |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 538 | glyph_index, |
| 539 | load_flags ); |
David Turner | 662b344 | 2002-01-03 16:56:59 +0000 | [diff] [blame] | 540 | if ( error ) |
| 541 | goto Exit; |
| 542 | |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 543 | /* check that the loaded outline is correct */ |
David Turner | 662b344 | 2002-01-03 16:56:59 +0000 | [diff] [blame] | 544 | error = FT_Outline_Check( &slot->outline ); |
| 545 | if ( error ) |
| 546 | goto Exit; |
| 547 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 548 | |
David Turner | 4937a3e | 2001-12-19 21:09:16 +0000 | [diff] [blame] | 549 | Load_Ok: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 550 | /* compute the advance */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 551 | if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 552 | { |
| 553 | slot->advance.x = 0; |
| 554 | slot->advance.y = slot->metrics.vertAdvance; |
| 555 | } |
| 556 | else |
| 557 | { |
| 558 | slot->advance.x = slot->metrics.horiAdvance; |
| 559 | slot->advance.y = 0; |
| 560 | } |
| 561 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 562 | /* compute the linear advance in 16.16 pixels */ |
| 563 | if ( ( load_flags & FT_LOAD_LINEAR_DESIGN ) == 0 ) |
| 564 | { |
| 565 | FT_UInt EM = face->units_per_EM; |
| 566 | FT_Size_Metrics* metrics = &face->size->metrics; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 567 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 568 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 569 | slot->linearHoriAdvance = FT_MulDiv( slot->linearHoriAdvance, |
| 570 | (FT_Long)metrics->x_ppem << 16, EM ); |
| 571 | |
| 572 | slot->linearVertAdvance = FT_MulDiv( slot->linearVertAdvance, |
| 573 | (FT_Long)metrics->y_ppem << 16, EM ); |
| 574 | } |
| 575 | |
| 576 | if ( ( load_flags & FT_LOAD_IGNORE_TRANSFORM ) == 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 577 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 578 | FT_Face_Internal internal = face->internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 579 | |
| 580 | |
Werner Lemberg | d1b7475 | 2000-08-24 16:29:15 +0000 | [diff] [blame] | 581 | /* now, transform the glyph image if needed */ |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 582 | if ( internal->transform_flags ) |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 583 | { |
| 584 | /* get renderer */ |
| 585 | FT_Renderer renderer = ft_lookup_glyph_renderer( slot ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 586 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 587 | |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 588 | if ( renderer ) |
Werner Lemberg | dc72aff | 2000-11-04 08:33:38 +0000 | [diff] [blame] | 589 | error = renderer->clazz->transform_glyph( |
| 590 | renderer, slot, |
| 591 | &internal->transform_matrix, |
| 592 | &internal->transform_delta ); |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 593 | /* transform advance */ |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 594 | FT_Vector_Transform( &slot->advance, &internal->transform_matrix ); |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 595 | } |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 596 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 597 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 598 | /* do we need to render the image now? */ |
| 599 | if ( !error && |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 600 | slot->format != FT_GLYPH_FORMAT_BITMAP && |
| 601 | slot->format != FT_GLYPH_FORMAT_COMPOSITE && |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 602 | load_flags & FT_LOAD_RENDER ) |
| 603 | { |
David Turner | 00d9f40 | 2002-09-08 21:29:11 +0000 | [diff] [blame] | 604 | FT_Render_Mode mode = FT_LOAD_TARGET_MODE( load_flags ); |
| 605 | |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 606 | |
David Turner | 00d9f40 | 2002-09-08 21:29:11 +0000 | [diff] [blame] | 607 | if ( mode == FT_RENDER_MODE_NORMAL && |
| 608 | (load_flags & FT_LOAD_MONOCHROME ) ) |
| 609 | mode = FT_RENDER_MODE_MONO; |
| 610 | |
| 611 | error = FT_Render_Glyph( slot, mode ); |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 612 | } |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 613 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 614 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 615 | return error; |
| 616 | } |
| 617 | |
| 618 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 619 | /* documentation is in freetype.h */ |
| 620 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 621 | FT_EXPORT_DEF( FT_Error ) |
| 622 | FT_Load_Char( FT_Face face, |
| 623 | FT_ULong char_code, |
David Turner | f467e6a | 2002-08-21 21:39:28 +0000 | [diff] [blame] | 624 | FT_Int32 load_flags ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 625 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 626 | FT_UInt glyph_index; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 627 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 628 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 629 | if ( !face ) |
| 630 | return FT_Err_Invalid_Face_Handle; |
| 631 | |
| 632 | glyph_index = (FT_UInt)char_code; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 633 | if ( face->charmap ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 634 | glyph_index = FT_Get_Char_Index( face, char_code ); |
| 635 | |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 636 | return FT_Load_Glyph( face, glyph_index, load_flags ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 637 | } |
| 638 | |
| 639 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 640 | /* destructor for sizes list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 641 | static void |
| 642 | destroy_size( FT_Memory memory, |
| 643 | FT_Size size, |
| 644 | FT_Driver driver ) |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 645 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 646 | /* finalize client-specific data */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 647 | if ( size->generic.finalizer ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 648 | size->generic.finalizer( size ); |
| 649 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 650 | /* finalize format-specific stuff */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 651 | if ( driver->clazz->done_size ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 652 | driver->clazz->done_size( size ); |
| 653 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 654 | FT_FREE( size->internal ); |
| 655 | FT_FREE( size ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 656 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 657 | |
| 658 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 659 | /* destructor for faces list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 660 | static void |
| 661 | destroy_face( FT_Memory memory, |
| 662 | FT_Face face, |
| 663 | FT_Driver driver ) |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 664 | { |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 665 | FT_Driver_Class clazz = driver->clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 666 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 667 | |
David Turner | c49f69c | 2000-07-20 03:44:50 +0000 | [diff] [blame] | 668 | /* discard auto-hinting data */ |
| 669 | if ( face->autohint.finalizer ) |
| 670 | face->autohint.finalizer( face->autohint.data ); |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 671 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 672 | /* Discard glyph slots for this face. */ |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 673 | /* Beware! FT_Done_GlyphSlot() changes the field `face->glyph' */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 674 | while ( face->glyph ) |
| 675 | FT_Done_GlyphSlot( face->glyph ); |
| 676 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 677 | /* discard all sizes for this face */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 678 | FT_List_Finalize( &face->sizes_list, |
| 679 | (FT_List_Destructor)destroy_size, |
| 680 | memory, |
| 681 | driver ); |
| 682 | face->size = 0; |
| 683 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 684 | /* now discard client data */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 685 | if ( face->generic.finalizer ) |
| 686 | face->generic.finalizer( face ); |
| 687 | |
David Turner | 2ded2c1 | 2002-03-22 22:37:40 +0000 | [diff] [blame] | 688 | /* discard charmaps */ |
| 689 | { |
| 690 | FT_Int n; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 691 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 692 | |
David Turner | 2ded2c1 | 2002-03-22 22:37:40 +0000 | [diff] [blame] | 693 | for ( n = 0; n < face->num_charmaps; n++ ) |
| 694 | { |
| 695 | FT_CMap cmap = FT_CMAP( face->charmaps[n] ); |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 696 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 697 | |
David Turner | 2ded2c1 | 2002-03-22 22:37:40 +0000 | [diff] [blame] | 698 | FT_CMap_Done( cmap ); |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 699 | |
David Turner | 2ded2c1 | 2002-03-22 22:37:40 +0000 | [diff] [blame] | 700 | face->charmaps[n] = NULL; |
| 701 | } |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 702 | |
David Turner | 2ded2c1 | 2002-03-22 22:37:40 +0000 | [diff] [blame] | 703 | FT_FREE( face->charmaps ); |
| 704 | face->num_charmaps = 0; |
| 705 | } |
| 706 | |
David Turner | 2ded2c1 | 2002-03-22 22:37:40 +0000 | [diff] [blame] | 707 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 708 | /* finalize format-specific stuff */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 709 | if ( clazz->done_face ) |
| 710 | clazz->done_face( face ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 711 | |
| 712 | /* close the stream for this face if needed */ |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 713 | ft_input_stream_free( |
| 714 | face->stream, |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 715 | ( face->face_flags & FT_FACE_FLAG_EXTERNAL_STREAM ) != 0 ); |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 716 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 717 | face->stream = 0; |
| 718 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 719 | /* get rid of it */ |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 720 | if ( face->internal ) |
| 721 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 722 | FT_FREE( face->internal->postscript_name ); |
| 723 | FT_FREE( face->internal ); |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 724 | } |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 725 | FT_FREE( face ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 726 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 727 | |
| 728 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 729 | static void |
| 730 | Destroy_Driver( FT_Driver driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 731 | { |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 732 | FT_List_Finalize( &driver->faces_list, |
| 733 | (FT_List_Destructor)destroy_face, |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 734 | driver->root.memory, |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 735 | driver ); |
| 736 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 737 | /* check whether we need to drop the driver's glyph loader */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 738 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 739 | FT_GlyphLoader_Done( driver->glyph_loader ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 740 | } |
| 741 | |
| 742 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 743 | /*************************************************************************/ |
| 744 | /* */ |
| 745 | /* <Function> */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 746 | /* find_unicode_charmap */ |
| 747 | /* */ |
| 748 | /* <Description> */ |
| 749 | /* This function finds a Unicode charmap, if there is one. */ |
| 750 | /* 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^] | 751 | /* extensive one, i.e., one that supports UCS-4 against those which */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 752 | /* are limited to the BMP (said UCS-2 encoding.) */ |
| 753 | /* */ |
| 754 | /* This function is called from open_face() (just below), and also */ |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame^] | 755 | /* from FT_Select_Charmap( ..., FT_ENCODING_UNICODE). */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 756 | /* */ |
| 757 | static FT_Error |
| 758 | find_unicode_charmap( FT_Face face ) |
| 759 | { |
| 760 | FT_CharMap* first; |
| 761 | FT_CharMap* cur; |
| 762 | FT_CharMap* unicmap = NULL; /* some UCS-2 map, if we found it */ |
| 763 | |
| 764 | |
| 765 | /* caller should have already checked that `face' is valid */ |
| 766 | FT_ASSERT ( face ); |
| 767 | |
| 768 | first = face->charmaps; |
| 769 | |
| 770 | if ( !first ) |
| 771 | return FT_Err_Invalid_CharMap_Handle; |
| 772 | |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 773 | /* |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame^] | 774 | * The original TrueType specification(s) only specified charmap |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 775 | * formats that are capable of mapping 8 or 16 bit character codes to |
| 776 | * glyph indices. |
| 777 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame^] | 778 | * However, recent updates to the Apple and OpenType specifications |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 779 | * introduced new formats that are capable of mapping 32-bit character |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame^] | 780 | * 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] | 781 | * map non-BMP Asian ideographs as defined in Unicode. |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 782 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame^] | 783 | * For compatibility purposes, these fonts generally come with |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 784 | * *several* Unicode charmaps: |
| 785 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame^] | 786 | * - One of them in the "old" 16-bit format, that cannot access |
| 787 | * all glyphs in the font. |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 788 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame^] | 789 | * - Another one in the "new" 32-bit format, that can access all |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 790 | * the glyphs. |
| 791 | * |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame^] | 792 | * This function has been written to always favor a 32-bit charmap |
| 793 | * when found. Otherwise, a 16-bit one is returned when found. |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 794 | */ |
| 795 | |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 796 | /* since the `interesting' table, with id's 3,10, is normally the */ |
| 797 | /* last one, we loop backwards. This looses with type1 fonts with */ |
| 798 | /* non-BMP characters (<.0001%), this wins with .ttf with non-BMP */ |
| 799 | /* chars (.01% ?), and this is the same about 99.99% of the time! */ |
| 800 | |
| 801 | cur = first + face->num_charmaps; /* points after the last one */ |
| 802 | |
| 803 | for ( ; --cur >= first; ) |
| 804 | { |
| 805 | if ( cur[0]->encoding == FT_ENCODING_UNICODE ) |
| 806 | { |
| 807 | unicmap = cur; /* record we found a Unicode charmap */ |
| 808 | |
| 809 | /* XXX If some new encodings to represent UCS-4 are added, */ |
| 810 | /* they should be added here. */ |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 811 | if ( ( cur[0]->platform_id == TT_PLATFORM_MICROSOFT && |
| 812 | cur[0]->encoding_id == TT_MS_ID_UCS_4 ) || |
| 813 | ( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE && |
| 814 | cur[0]->encoding_id == TT_APPLE_ID_UNICODE_32 ) ) |
| 815 | |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 816 | /* Hurray! We found a UCS-4 charmap. We can stop the scan! */ |
| 817 | { |
| 818 | face->charmap = cur[0]; |
| 819 | return 0; |
| 820 | } |
| 821 | } |
| 822 | } |
| 823 | |
| 824 | /* We do not have any UCS-4 charmap. Sigh. */ |
| 825 | /* Let's see if we have some other kind of Unicode charmap, though. */ |
| 826 | if ( unicmap != NULL ) |
| 827 | { |
| 828 | face->charmap = unicmap[0]; |
| 829 | return 0; |
| 830 | } |
| 831 | |
| 832 | /* Chou blanc! */ |
David Turner | 6453a81 | 2003-01-08 09:28:34 +0000 | [diff] [blame] | 833 | return FT_Err_Invalid_CharMap_Handle; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 834 | } |
| 835 | |
| 836 | |
| 837 | /*************************************************************************/ |
| 838 | /* */ |
| 839 | /* <Function> */ |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 840 | /* open_face */ |
| 841 | /* */ |
| 842 | /* <Description> */ |
| 843 | /* This function does some work for FT_Open_Face(). */ |
| 844 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 845 | static FT_Error |
| 846 | open_face( FT_Driver driver, |
| 847 | FT_Stream stream, |
| 848 | FT_Long face_index, |
| 849 | FT_Int num_params, |
| 850 | FT_Parameter* params, |
| 851 | FT_Face* aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 852 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 853 | FT_Memory memory; |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 854 | FT_Driver_Class clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 855 | FT_Face face = 0; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 856 | FT_Error error, error2; |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 857 | FT_Face_Internal internal; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 858 | |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 859 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 860 | clazz = driver->clazz; |
| 861 | memory = driver->root.memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 862 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 863 | /* allocate the face object and perform basic initialization */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 864 | if ( FT_ALLOC( face, clazz->face_object_size ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 865 | goto Fail; |
| 866 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 867 | if ( FT_NEW( internal ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 868 | goto Fail; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 869 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 870 | face->internal = internal; |
| 871 | |
| 872 | face->driver = driver; |
| 873 | face->memory = memory; |
| 874 | face->stream = stream; |
Graham Asher | ce12182 | 2002-08-01 15:29:17 +0000 | [diff] [blame] | 875 | |
Graham Asher | d53cf1d | 2002-07-18 15:04:29 +0000 | [diff] [blame] | 876 | #ifdef FT_CONFIG_OPTION_INCREMENTAL |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 877 | { |
| 878 | int i; |
| 879 | |
| 880 | |
| 881 | face->internal->incremental_interface = 0; |
| 882 | for ( i = 0; i < num_params && !face->internal->incremental_interface; |
| 883 | i++ ) |
| 884 | if ( params[i].tag == FT_PARAM_TAG_INCREMENTAL ) |
| 885 | face->internal->incremental_interface = params[i].data; |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 886 | } |
Graham Asher | d53cf1d | 2002-07-18 15:04:29 +0000 | [diff] [blame] | 887 | #endif |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 888 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 889 | error = clazz->init_face( stream, |
| 890 | face, |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 891 | (FT_Int)face_index, |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 892 | num_params, |
| 893 | params ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 894 | if ( error ) |
| 895 | goto Fail; |
| 896 | |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 897 | /* select Unicode charmap by default */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 898 | error2 = find_unicode_charmap( face ); |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 899 | |
| 900 | /* if no Unicode charmap can be found, FT_Err_Invalid_CharMap_Handle is |
| 901 | * returned. |
| 902 | */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 903 | |
| 904 | /* no error should happen, but we want to play safe. */ |
David Turner | c528f6f | 2002-12-18 22:43:07 +0000 | [diff] [blame] | 905 | if ( error2 && error2 != FT_Err_Invalid_CharMap_Handle ) |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 906 | { |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 907 | error = error2; |
| 908 | goto Fail; |
David Turner | fed59b7 | 2002-07-17 22:51:06 +0000 | [diff] [blame] | 909 | } |
| 910 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 911 | *aface = face; |
| 912 | |
| 913 | Fail: |
| 914 | if ( error ) |
| 915 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 916 | clazz->done_face( face ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 917 | FT_FREE( face->internal ); |
| 918 | FT_FREE( face ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 919 | *aface = 0; |
| 920 | } |
| 921 | |
| 922 | return error; |
| 923 | } |
| 924 | |
| 925 | |
Werner Lemberg | 05c21b8 | 2000-07-29 20:38:19 +0000 | [diff] [blame] | 926 | /* there's a Mac-specific extended implementation of FT_New_Face() */ |
Werner Lemberg | 4d631e4 | 2002-05-27 13:02:37 +0000 | [diff] [blame] | 927 | /* in src/base/ftmac.c */ |
Werner Lemberg | 05c21b8 | 2000-07-29 20:38:19 +0000 | [diff] [blame] | 928 | |
Werner Lemberg | 9ca7a15 | 2002-04-30 14:26:49 +0000 | [diff] [blame] | 929 | #ifndef FT_MACINTOSH |
Just van Rossum | 9e830c5 | 2000-07-28 01:12:34 +0000 | [diff] [blame] | 930 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 931 | /* documentation is in freetype.h */ |
| 932 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 933 | FT_EXPORT_DEF( FT_Error ) |
| 934 | FT_New_Face( FT_Library library, |
| 935 | const char* pathname, |
| 936 | FT_Long face_index, |
| 937 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 938 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 939 | FT_Open_Args args; |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 940 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 941 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 942 | /* test for valid `library' and `aface' delayed to FT_Open_Face() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 943 | if ( !pathname ) |
| 944 | return FT_Err_Invalid_Argument; |
| 945 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 946 | args.flags = FT_OPEN_PATHNAME; |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 947 | args.pathname = (char*)pathname; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 948 | |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 949 | return FT_Open_Face( library, &args, face_index, aface ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 950 | } |
| 951 | |
Werner Lemberg | 9ca7a15 | 2002-04-30 14:26:49 +0000 | [diff] [blame] | 952 | #endif /* !FT_MACINTOSH */ |
Just van Rossum | 9e830c5 | 2000-07-28 01:12:34 +0000 | [diff] [blame] | 953 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 954 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 955 | /* documentation is in freetype.h */ |
| 956 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 957 | FT_EXPORT_DEF( FT_Error ) |
| 958 | FT_New_Memory_Face( FT_Library library, |
| 959 | const FT_Byte* file_base, |
| 960 | FT_Long file_size, |
| 961 | FT_Long face_index, |
| 962 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 963 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 964 | FT_Open_Args args; |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 965 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 966 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 967 | /* test for valid `library' and `face' delayed to FT_Open_Face() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 968 | if ( !file_base ) |
| 969 | return FT_Err_Invalid_Argument; |
| 970 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 971 | args.flags = FT_OPEN_MEMORY; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 972 | args.memory_base = file_base; |
| 973 | args.memory_size = file_size; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 974 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 975 | return FT_Open_Face( library, &args, face_index, aface ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 976 | } |
| 977 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 978 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 979 | /* documentation is in freetype.h */ |
| 980 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 981 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | c4c373c | 2002-10-07 09:15:20 +0000 | [diff] [blame] | 982 | FT_Open_Face( FT_Library library, |
| 983 | const FT_Open_Args* args, |
| 984 | FT_Long face_index, |
| 985 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 986 | { |
| 987 | FT_Error error; |
| 988 | FT_Driver driver; |
| 989 | FT_Memory memory; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 990 | FT_Stream stream; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 991 | FT_Face face = 0; |
| 992 | FT_ListNode node = 0; |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 993 | FT_Bool external_stream; |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 994 | |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 995 | |
Werner Lemberg | f9b0375 | 2000-09-11 22:50:13 +0000 | [diff] [blame] | 996 | /* test for valid `library' delayed to */ |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 997 | /* ft_input_stream_new() */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 998 | |
Werner Lemberg | f9b0375 | 2000-09-11 22:50:13 +0000 | [diff] [blame] | 999 | if ( !aface || !args ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1000 | return FT_Err_Invalid_Argument; |
| 1001 | |
| 1002 | *aface = 0; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1003 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1004 | external_stream = FT_BOOL( ( args->flags & FT_OPEN_STREAM ) && |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 1005 | args->stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1006 | |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1007 | /* create input stream */ |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 1008 | error = ft_input_stream_new( library, args, &stream ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1009 | if ( error ) |
| 1010 | goto Exit; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1011 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1012 | memory = library->memory; |
| 1013 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1014 | /* If the font driver is specified in the `args' structure, use */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1015 | /* it. Otherwise, we scan the list of registered drivers. */ |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1016 | if ( ( args->flags & FT_OPEN_DRIVER ) && args->driver ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1017 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1018 | driver = FT_DRIVER( args->driver ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1019 | |
| 1020 | /* not all modules are drivers, so check... */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1021 | if ( FT_MODULE_IS_DRIVER( driver ) ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1022 | { |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 1023 | FT_Int num_params = 0; |
| 1024 | FT_Parameter* params = 0; |
| 1025 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1026 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1027 | if ( args->flags & FT_OPEN_PARAMS ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1028 | { |
| 1029 | num_params = args->num_params; |
| 1030 | params = args->params; |
| 1031 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1032 | |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1033 | error = open_face( driver, stream, face_index, |
| 1034 | num_params, params, &face ); |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1035 | if ( !error ) |
| 1036 | goto Success; |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1037 | } |
| 1038 | else |
| 1039 | error = FT_Err_Invalid_Handle; |
| 1040 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 1041 | ft_input_stream_free( stream, external_stream ); |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1042 | goto Fail; |
| 1043 | } |
Just van Rossum | 1e5754f | 2000-03-02 10:52:57 +0000 | [diff] [blame] | 1044 | else |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1045 | { |
| 1046 | /* check each font driver for an appropriate format */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1047 | FT_Module* cur = library->modules; |
| 1048 | FT_Module* limit = cur + library->num_modules; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1049 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1050 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1051 | for ( ; cur < limit; cur++ ) |
| 1052 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1053 | /* not all modules are font drivers, so check... */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1054 | if ( FT_MODULE_IS_DRIVER( cur[0] ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1055 | { |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1056 | FT_Int num_params = 0; |
| 1057 | FT_Parameter* params = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1058 | |
Werner Lemberg | 3c403e4 | 2002-08-06 21:47:40 +0000 | [diff] [blame] | 1059 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1060 | driver = FT_DRIVER( cur[0] ); |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1061 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1062 | if ( args->flags & FT_OPEN_PARAMS ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1063 | { |
| 1064 | num_params = args->num_params; |
| 1065 | params = args->params; |
| 1066 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1067 | |
Graham Asher | d53cf1d | 2002-07-18 15:04:29 +0000 | [diff] [blame] | 1068 | error = open_face( driver, stream, face_index, |
| 1069 | num_params, params, &face ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1070 | if ( !error ) |
| 1071 | goto Success; |
| 1072 | |
Werner Lemberg | 7986070 | 2001-06-08 21:17:29 +0000 | [diff] [blame] | 1073 | if ( FT_ERROR_BASE( error ) != FT_Err_Unknown_File_Format ) |
David Turner | ebe85f5 | 2001-05-11 14:25:57 +0000 | [diff] [blame] | 1074 | goto Fail2; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1075 | } |
| 1076 | } |
| 1077 | |
| 1078 | /* no driver is able to handle this format */ |
| 1079 | error = FT_Err_Unknown_File_Format; |
David Turner | ebe85f5 | 2001-05-11 14:25:57 +0000 | [diff] [blame] | 1080 | |
| 1081 | Fail2: |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 1082 | ft_input_stream_free( stream, external_stream ); |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1083 | goto Fail; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1084 | } |
| 1085 | |
| 1086 | Success: |
Werner Lemberg | f9b0375 | 2000-09-11 22:50:13 +0000 | [diff] [blame] | 1087 | FT_TRACE4(( "FT_Open_Face: New face object, adding to list\n" )); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1088 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1089 | /* set the FT_FACE_FLAG_EXTERNAL_STREAM bit for FT_Done_Face */ |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1090 | if ( external_stream ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1091 | face->face_flags |= FT_FACE_FLAG_EXTERNAL_STREAM; |
| 1092 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1093 | /* add the face object to its driver's list */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1094 | if ( FT_NEW( node ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1095 | goto Fail; |
| 1096 | |
| 1097 | node->data = face; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1098 | /* don't assume driver is the same as face->driver, so use */ |
| 1099 | /* face->driver instead. */ |
Just van Rossum | 7eef536 | 2000-03-05 16:07:58 +0000 | [diff] [blame] | 1100 | FT_List_Add( &face->driver->faces_list, node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1101 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1102 | /* now allocate a glyph slot object for the face */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1103 | { |
| 1104 | FT_GlyphSlot slot; |
| 1105 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1106 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1107 | FT_TRACE4(( "FT_Open_Face: Creating glyph slot\n" )); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1108 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1109 | error = FT_New_GlyphSlot( face, &slot ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1110 | if ( error ) |
| 1111 | goto Fail; |
| 1112 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1113 | face->glyph = slot; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1114 | } |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1115 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1116 | /* finally, allocate a size object for the face */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1117 | { |
| 1118 | FT_Size size; |
| 1119 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1120 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1121 | FT_TRACE4(( "FT_Open_Face: Creating size object\n" )); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1122 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1123 | error = FT_New_Size( face, &size ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1124 | if ( error ) |
| 1125 | goto Fail; |
| 1126 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1127 | face->size = size; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1128 | } |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1129 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1130 | /* initialize internal face data */ |
| 1131 | { |
| 1132 | FT_Face_Internal internal = face->internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1133 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1134 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1135 | internal->transform_matrix.xx = 0x10000L; |
| 1136 | internal->transform_matrix.xy = 0; |
| 1137 | internal->transform_matrix.yx = 0; |
| 1138 | internal->transform_matrix.yy = 0x10000L; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1139 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1140 | internal->transform_delta.x = 0; |
| 1141 | internal->transform_delta.y = 0; |
| 1142 | } |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1143 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1144 | *aface = face; |
| 1145 | goto Exit; |
| 1146 | |
| 1147 | Fail: |
| 1148 | FT_Done_Face( face ); |
| 1149 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1150 | Exit: |
| 1151 | FT_TRACE4(( "FT_Open_Face: Return %d\n", error )); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1152 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1153 | return error; |
| 1154 | } |
| 1155 | |
| 1156 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1157 | /* documentation is in freetype.h */ |
| 1158 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1159 | FT_EXPORT_DEF( FT_Error ) |
| 1160 | FT_Attach_File( FT_Face face, |
| 1161 | const char* filepathname ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1162 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1163 | FT_Open_Args open; |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1164 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1165 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1166 | /* test for valid `face' delayed to FT_Attach_Stream() */ |
| 1167 | |
| 1168 | if ( !filepathname ) |
| 1169 | return FT_Err_Invalid_Argument; |
| 1170 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1171 | open.flags = FT_OPEN_PATHNAME; |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1172 | open.pathname = (char*)filepathname; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1173 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1174 | return FT_Attach_Stream( face, &open ); |
| 1175 | } |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1176 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1177 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1178 | /* documentation is in freetype.h */ |
| 1179 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1180 | FT_EXPORT_DEF( FT_Error ) |
| 1181 | FT_Attach_Stream( FT_Face face, |
| 1182 | FT_Open_Args* parameters ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1183 | { |
| 1184 | FT_Stream stream; |
| 1185 | FT_Error error; |
| 1186 | FT_Driver driver; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1187 | |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 1188 | FT_Driver_Class clazz; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1189 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1190 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 1191 | /* test for valid `parameters' delayed to ft_input_stream_new() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1192 | |
| 1193 | if ( !face ) |
| 1194 | return FT_Err_Invalid_Face_Handle; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1195 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1196 | driver = face->driver; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1197 | if ( !driver ) |
| 1198 | return FT_Err_Invalid_Driver_Handle; |
| 1199 | |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 1200 | error = ft_input_stream_new( driver->root.library, parameters, &stream ); |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1201 | if ( error ) |
| 1202 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1203 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1204 | /* we implement FT_Attach_Stream in each driver through the */ |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1205 | /* `attach_file' interface */ |
| 1206 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1207 | error = FT_Err_Unimplemented_Feature; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1208 | clazz = driver->clazz; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1209 | if ( clazz->attach_file ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1210 | error = clazz->attach_file( face, stream ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1211 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1212 | /* close the attached stream */ |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 1213 | ft_input_stream_free( stream, |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 1214 | (FT_Bool)( parameters->stream && |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1215 | ( parameters->flags & FT_OPEN_STREAM ) ) ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1216 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1217 | Exit: |
| 1218 | return error; |
| 1219 | } |
| 1220 | |
| 1221 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1222 | /* documentation is in freetype.h */ |
| 1223 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1224 | FT_EXPORT_DEF( FT_Error ) |
| 1225 | FT_Done_Face( FT_Face face ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1226 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1227 | FT_Error error; |
| 1228 | FT_Driver driver; |
| 1229 | FT_Memory memory; |
| 1230 | FT_ListNode node; |
| 1231 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1232 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1233 | error = FT_Err_Invalid_Face_Handle; |
| 1234 | if ( face && face->driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1235 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1236 | driver = face->driver; |
| 1237 | memory = driver->root.memory; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1238 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1239 | /* find face in driver's list */ |
| 1240 | node = FT_List_Find( &driver->faces_list, face ); |
| 1241 | if ( node ) |
| 1242 | { |
| 1243 | /* remove face object from the driver's list */ |
| 1244 | FT_List_Remove( &driver->faces_list, node ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1245 | FT_FREE( node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1246 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1247 | /* now destroy the object proper */ |
| 1248 | destroy_face( memory, face, driver ); |
| 1249 | error = FT_Err_Ok; |
| 1250 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1251 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1252 | return error; |
| 1253 | } |
| 1254 | |
| 1255 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1256 | /* documentation is in ftobjs.h */ |
| 1257 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1258 | FT_EXPORT_DEF( FT_Error ) |
| 1259 | FT_New_Size( FT_Face face, |
| 1260 | FT_Size *asize ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1261 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1262 | FT_Error error; |
| 1263 | FT_Memory memory; |
| 1264 | FT_Driver driver; |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 1265 | FT_Driver_Class clazz; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1266 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1267 | FT_Size size = 0; |
| 1268 | FT_ListNode node = 0; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1269 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1270 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1271 | if ( !face ) |
| 1272 | return FT_Err_Invalid_Face_Handle; |
| 1273 | |
| 1274 | if ( !asize ) |
| 1275 | return FT_Err_Invalid_Size_Handle; |
| 1276 | |
| 1277 | if ( !face->driver ) |
| 1278 | return FT_Err_Invalid_Driver_Handle; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1279 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1280 | *asize = 0; |
| 1281 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1282 | driver = face->driver; |
| 1283 | clazz = driver->clazz; |
| 1284 | memory = face->memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1285 | |
| 1286 | /* Allocate new size object and perform basic initialisation */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1287 | if ( FT_ALLOC( size, clazz->size_object_size ) || FT_NEW( node ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1288 | goto Exit; |
| 1289 | |
| 1290 | size->face = face; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1291 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1292 | /* for now, do not use any internal fields in size objects */ |
| 1293 | size->internal = 0; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1294 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1295 | if ( clazz->init_size ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1296 | error = clazz->init_size( size ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1297 | |
| 1298 | /* in case of success, add to the face's list */ |
| 1299 | if ( !error ) |
| 1300 | { |
| 1301 | *asize = size; |
| 1302 | node->data = size; |
| 1303 | FT_List_Add( &face->sizes_list, node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1304 | } |
| 1305 | |
| 1306 | Exit: |
| 1307 | if ( error ) |
| 1308 | { |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1309 | FT_FREE( node ); |
| 1310 | FT_FREE( size ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1311 | } |
| 1312 | |
| 1313 | return error; |
| 1314 | } |
| 1315 | |
| 1316 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1317 | /* documentation is in ftobjs.h */ |
| 1318 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1319 | FT_EXPORT_DEF( FT_Error ) |
| 1320 | FT_Done_Size( FT_Size size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1321 | { |
| 1322 | FT_Error error; |
| 1323 | FT_Driver driver; |
| 1324 | FT_Memory memory; |
| 1325 | FT_Face face; |
| 1326 | FT_ListNode node; |
| 1327 | |
| 1328 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1329 | if ( !size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1330 | return FT_Err_Invalid_Size_Handle; |
| 1331 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1332 | face = size->face; |
| 1333 | if ( !face ) |
| 1334 | return FT_Err_Invalid_Face_Handle; |
| 1335 | |
| 1336 | driver = face->driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1337 | if ( !driver ) |
| 1338 | return FT_Err_Invalid_Driver_Handle; |
| 1339 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1340 | memory = driver->root.memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1341 | |
| 1342 | error = FT_Err_Ok; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1343 | node = FT_List_Find( &face->sizes_list, size ); |
| 1344 | if ( node ) |
| 1345 | { |
| 1346 | FT_List_Remove( &face->sizes_list, node ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1347 | FT_FREE( node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1348 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1349 | if ( face->size == size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1350 | { |
| 1351 | face->size = 0; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1352 | if ( face->sizes_list.head ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1353 | face->size = (FT_Size)(face->sizes_list.head->data); |
| 1354 | } |
| 1355 | |
| 1356 | destroy_size( memory, size, driver ); |
| 1357 | } |
| 1358 | else |
| 1359 | error = FT_Err_Invalid_Size_Handle; |
| 1360 | |
Werner Lemberg | cf24d51 | 2001-06-18 14:23:45 +0000 | [diff] [blame] | 1361 | return error; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1362 | } |
| 1363 | |
| 1364 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1365 | static void |
| 1366 | ft_recompute_scaled_metrics( FT_Face face, |
| 1367 | FT_Size_Metrics* metrics ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1368 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1369 | /* Compute root ascender, descender, test height, and max_advance */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1370 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1371 | metrics->ascender = ( FT_MulFix( face->ascender, |
David Turner | ba4511b | 2003-02-18 22:25:22 +0000 | [diff] [blame] | 1372 | metrics->y_scale ) + 63 ) & -64; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1373 | |
| 1374 | metrics->descender = ( FT_MulFix( face->descender, |
David Turner | ba4511b | 2003-02-18 22:25:22 +0000 | [diff] [blame] | 1375 | metrics->y_scale ) + 0 ) & -64; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1376 | |
| 1377 | metrics->height = ( FT_MulFix( face->height, |
| 1378 | metrics->y_scale ) + 32 ) & -64; |
| 1379 | |
| 1380 | metrics->max_advance = ( FT_MulFix( face->max_advance_width, |
| 1381 | metrics->x_scale ) + 32 ) & -64; |
| 1382 | } |
| 1383 | |
| 1384 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1385 | /* documentation is in freetype.h */ |
| 1386 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1387 | FT_EXPORT_DEF( FT_Error ) |
| 1388 | FT_Set_Char_Size( FT_Face face, |
| 1389 | FT_F26Dot6 char_width, |
| 1390 | FT_F26Dot6 char_height, |
| 1391 | FT_UInt horz_resolution, |
| 1392 | FT_UInt vert_resolution ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1393 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1394 | FT_Error error = FT_Err_Ok; |
| 1395 | FT_Driver driver; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1396 | FT_Driver_Class clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1397 | FT_Size_Metrics* metrics; |
| 1398 | FT_Long dim_x, dim_y; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1399 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1400 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1401 | if ( !face || !face->size || !face->driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1402 | return FT_Err_Invalid_Face_Handle; |
| 1403 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1404 | driver = face->driver; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1405 | metrics = &face->size->metrics; |
| 1406 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1407 | if ( !char_width ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1408 | char_width = char_height; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1409 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1410 | else if ( !char_height ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1411 | char_height = char_width; |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1412 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1413 | if ( !horz_resolution ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1414 | horz_resolution = 72; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1415 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1416 | if ( !vert_resolution ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1417 | vert_resolution = 72; |
| 1418 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1419 | driver = face->driver; |
| 1420 | clazz = driver->clazz; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1421 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1422 | /* default processing -- this can be overridden by the driver */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1423 | if ( char_width < 1 * 64 ) |
| 1424 | char_width = 1 * 64; |
| 1425 | if ( char_height < 1 * 64 ) |
| 1426 | char_height = 1 * 64; |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1427 | |
David Turner | 5158fbc | 2003-03-27 21:35:44 +0000 | [diff] [blame] | 1428 | /* Compute pixel sizes in 26.6 units. we use rounding |
| 1429 | */ |
| 1430 | dim_x = ( ( char_width * horz_resolution + (36+32*72) ) / 72 ) & -64; |
| 1431 | dim_y = ( ( char_height * vert_resolution + (36+32*72) ) / 72 ) & -64; |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1432 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1433 | metrics->x_ppem = (FT_UShort)( dim_x >> 6 ); |
| 1434 | metrics->y_ppem = (FT_UShort)( dim_y >> 6 ); |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1435 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1436 | metrics->x_scale = 0x10000L; |
| 1437 | metrics->y_scale = 0x10000L; |
| 1438 | |
| 1439 | if ( face->face_flags & FT_FACE_FLAG_SCALABLE ) |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1440 | { |
| 1441 | metrics->x_scale = FT_DivFix( dim_x, face->units_per_EM ); |
| 1442 | metrics->y_scale = FT_DivFix( dim_y, face->units_per_EM ); |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1443 | |
David Turner | 9b3d1c7 | 2000-07-07 19:47:34 +0000 | [diff] [blame] | 1444 | ft_recompute_scaled_metrics( face, metrics ); |
| 1445 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1446 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1447 | if ( clazz->set_char_sizes ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1448 | error = clazz->set_char_sizes( face->size, |
| 1449 | char_width, |
| 1450 | char_height, |
| 1451 | horz_resolution, |
| 1452 | vert_resolution ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1453 | return error; |
| 1454 | } |
| 1455 | |
| 1456 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1457 | /* documentation is in freetype.h */ |
| 1458 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1459 | FT_EXPORT_DEF( FT_Error ) |
| 1460 | FT_Set_Pixel_Sizes( FT_Face face, |
| 1461 | FT_UInt pixel_width, |
| 1462 | FT_UInt pixel_height ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1463 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1464 | FT_Error error = FT_Err_Ok; |
| 1465 | FT_Driver driver; |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1466 | FT_Driver_Class clazz; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1467 | FT_Size_Metrics* metrics = &face->size->metrics; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1468 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1469 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1470 | if ( !face || !face->size || !face->driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1471 | return FT_Err_Invalid_Face_Handle; |
| 1472 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1473 | driver = face->driver; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1474 | clazz = driver->clazz; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1475 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1476 | /* default processing -- this can be overridden by the driver */ |
| 1477 | if ( pixel_width == 0 ) |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 1478 | pixel_width = pixel_height; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1479 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1480 | else if ( pixel_height == 0 ) |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 1481 | pixel_height = pixel_width; |
Werner Lemberg | eb81e37 | 2000-06-03 06:03:11 +0000 | [diff] [blame] | 1482 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1483 | if ( pixel_width < 1 ) |
| 1484 | pixel_width = 1; |
| 1485 | if ( pixel_height < 1 ) |
| 1486 | pixel_height = 1; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1487 | |
David Turner | 8edbcab | 2001-06-19 08:28:24 +0000 | [diff] [blame] | 1488 | metrics->x_ppem = (FT_UShort)pixel_width; |
| 1489 | metrics->y_ppem = (FT_UShort)pixel_height; |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1490 | |
| 1491 | if ( face->face_flags & FT_FACE_FLAG_SCALABLE ) |
| 1492 | { |
| 1493 | metrics->x_scale = FT_DivFix( metrics->x_ppem << 6, |
| 1494 | face->units_per_EM ); |
| 1495 | |
| 1496 | metrics->y_scale = FT_DivFix( metrics->y_ppem << 6, |
| 1497 | face->units_per_EM ); |
Werner Lemberg | 7fa51b5 | 2000-07-08 19:51:42 +0000 | [diff] [blame] | 1498 | |
David Turner | 9b3d1c7 | 2000-07-07 19:47:34 +0000 | [diff] [blame] | 1499 | ft_recompute_scaled_metrics( face, metrics ); |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1500 | } |
| 1501 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1502 | if ( clazz->set_pixel_sizes ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1503 | error = clazz->set_pixel_sizes( face->size, |
| 1504 | pixel_width, |
| 1505 | pixel_height ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1506 | return error; |
| 1507 | } |
| 1508 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1509 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1510 | /* documentation is in freetype.h */ |
| 1511 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1512 | FT_EXPORT_DEF( FT_Error ) |
| 1513 | FT_Get_Kerning( FT_Face face, |
| 1514 | FT_UInt left_glyph, |
| 1515 | FT_UInt right_glyph, |
| 1516 | FT_UInt kern_mode, |
| 1517 | FT_Vector *akerning ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1518 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1519 | FT_Error error = FT_Err_Ok; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1520 | FT_Driver driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1521 | |
Werner Lemberg | a8bbc26 | 2000-07-01 14:06:46 +0000 | [diff] [blame] | 1522 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1523 | if ( !face ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1524 | return FT_Err_Invalid_Face_Handle; |
| 1525 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1526 | if ( !akerning ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1527 | return FT_Err_Invalid_Argument; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1528 | |
| 1529 | driver = face->driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1530 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1531 | akerning->x = 0; |
| 1532 | akerning->y = 0; |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 1533 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1534 | if ( driver->clazz->get_kerning ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1535 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1536 | error = driver->clazz->get_kerning( face, |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1537 | left_glyph, |
| 1538 | right_glyph, |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1539 | akerning ); |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 1540 | if ( !error ) |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 1541 | { |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1542 | if ( kern_mode != FT_KERNING_UNSCALED ) |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 1543 | { |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1544 | akerning->x = FT_MulFix( akerning->x, face->size->metrics.x_scale ); |
| 1545 | akerning->y = FT_MulFix( akerning->y, face->size->metrics.y_scale ); |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 1546 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 1547 | if ( kern_mode != FT_KERNING_UNFITTED ) |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 1548 | { |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1549 | akerning->x = ( akerning->x + 32 ) & -64; |
| 1550 | akerning->y = ( akerning->y + 32 ) & -64; |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 1551 | } |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 1552 | } |
| 1553 | } |
| 1554 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1555 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1556 | return error; |
| 1557 | } |
| 1558 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1559 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1560 | /* documentation is in freetype.h */ |
| 1561 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1562 | FT_EXPORT_DEF( FT_Error ) |
| 1563 | FT_Select_Charmap( FT_Face face, |
| 1564 | FT_Encoding encoding ) |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 1565 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1566 | FT_CharMap* cur; |
| 1567 | FT_CharMap* limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1568 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1569 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1570 | if ( !face ) |
| 1571 | return FT_Err_Invalid_Face_Handle; |
| 1572 | |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame^] | 1573 | /* FT_ENCODING_UNICODE is special. We try to find the `best' Unicode */ |
| 1574 | /* charmap available, i.e., one with UCS-4 characters, if possible. */ |
| 1575 | /* */ |
| 1576 | /* This is done by find_unicode_charmap() above, to share code. */ |
Antoine Leca | c96f69d | 2002-12-03 00:39:16 +0000 | [diff] [blame] | 1577 | if ( encoding == FT_ENCODING_UNICODE ) |
| 1578 | return find_unicode_charmap( face ); |
| 1579 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1580 | cur = face->charmaps; |
| 1581 | if ( !cur ) |
| 1582 | return FT_Err_Invalid_CharMap_Handle; |
| 1583 | |
| 1584 | limit = cur + face->num_charmaps; |
| 1585 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 1586 | for ( ; cur < limit; cur++ ) |
| 1587 | { |
| 1588 | if ( cur[0]->encoding == encoding ) |
| 1589 | { |
| 1590 | face->charmap = cur[0]; |
| 1591 | return 0; |
| 1592 | } |
| 1593 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1594 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 1595 | return FT_Err_Invalid_Argument; |
| 1596 | } |
| 1597 | |
| 1598 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1599 | /* documentation is in freetype.h */ |
| 1600 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1601 | FT_EXPORT_DEF( FT_Error ) |
| 1602 | FT_Set_Charmap( FT_Face face, |
| 1603 | FT_CharMap charmap ) |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 1604 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1605 | FT_CharMap* cur; |
| 1606 | FT_CharMap* limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1607 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1608 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1609 | if ( !face ) |
| 1610 | return FT_Err_Invalid_Face_Handle; |
| 1611 | |
| 1612 | cur = face->charmaps; |
| 1613 | if ( !cur ) |
| 1614 | return FT_Err_Invalid_CharMap_Handle; |
| 1615 | |
| 1616 | limit = cur + face->num_charmaps; |
| 1617 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 1618 | for ( ; cur < limit; cur++ ) |
| 1619 | { |
| 1620 | if ( cur[0] == charmap ) |
| 1621 | { |
| 1622 | face->charmap = cur[0]; |
| 1623 | return 0; |
| 1624 | } |
| 1625 | } |
| 1626 | return FT_Err_Invalid_Argument; |
| 1627 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1628 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1629 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1630 | FT_BASE_DEF( void ) |
| 1631 | FT_CMap_Done( FT_CMap cmap ) |
| 1632 | { |
| 1633 | if ( cmap ) |
| 1634 | { |
| 1635 | FT_CMap_Class clazz = cmap->clazz; |
| 1636 | FT_Face face = cmap->charmap.face; |
| 1637 | FT_Memory memory = FT_FACE_MEMORY(face); |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1638 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1639 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1640 | if ( clazz->done ) |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1641 | clazz->done( cmap ); |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1642 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1643 | FT_FREE( cmap ); |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1644 | } |
| 1645 | } |
| 1646 | |
| 1647 | |
| 1648 | FT_BASE_DEF( FT_Error ) |
| 1649 | FT_CMap_New( FT_CMap_Class clazz, |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1650 | FT_Pointer init_data, |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1651 | FT_CharMap charmap, |
| 1652 | FT_CMap *acmap ) |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1653 | { |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1654 | FT_Error error = 0; |
| 1655 | FT_Face face; |
| 1656 | FT_Memory memory; |
| 1657 | FT_CMap cmap; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1658 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1659 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1660 | if ( clazz == NULL || charmap == NULL || charmap->face == NULL ) |
| 1661 | return FT_Err_Invalid_Argument; |
| 1662 | |
| 1663 | face = charmap->face; |
| 1664 | memory = FT_FACE_MEMORY(face); |
| 1665 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1666 | if ( !FT_ALLOC( cmap, clazz->size ) ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1667 | { |
| 1668 | cmap->charmap = *charmap; |
| 1669 | cmap->clazz = clazz; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1670 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1671 | if ( clazz->init ) |
| 1672 | { |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1673 | error = clazz->init( cmap, init_data ); |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1674 | if ( error ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1675 | goto Fail; |
| 1676 | } |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1677 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1678 | /* add it to our list of charmaps */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 1679 | if ( FT_RENEW_ARRAY( face->charmaps, |
| 1680 | face->num_charmaps, |
| 1681 | face->num_charmaps+1 ) ) |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1682 | goto Fail; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1683 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1684 | face->charmaps[face->num_charmaps++] = (FT_CharMap)cmap; |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1685 | } |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1686 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1687 | Exit: |
| 1688 | if ( acmap ) |
| 1689 | *acmap = cmap; |
| 1690 | |
| 1691 | return error; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1692 | |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1693 | Fail: |
| 1694 | FT_CMap_Done( cmap ); |
| 1695 | cmap = NULL; |
| 1696 | goto Exit; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1697 | } |
David Turner | 4e7eeee | 2002-02-28 16:10:29 +0000 | [diff] [blame] | 1698 | |
| 1699 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1700 | /* documentation is in freetype.h */ |
| 1701 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1702 | FT_EXPORT_DEF( FT_UInt ) |
| 1703 | FT_Get_Char_Index( FT_Face face, |
| 1704 | FT_ULong charcode ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1705 | { |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 1706 | FT_UInt result = 0; |
| 1707 | |
| 1708 | |
| 1709 | if ( face && face->charmap ) |
| 1710 | { |
| 1711 | FT_CMap cmap = FT_CMAP( face->charmap ); |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 1712 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1713 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 1714 | result = cmap->clazz->char_index( cmap, charcode ); |
| 1715 | } |
| 1716 | return result; |
| 1717 | } |
| 1718 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 1719 | |
| 1720 | |
Werner Lemberg | 0f7c2f1 | 2002-02-04 20:55:58 +0000 | [diff] [blame] | 1721 | /* documentation is in freetype.h */ |
| 1722 | |
| 1723 | FT_EXPORT_DEF( FT_ULong ) |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 1724 | FT_Get_First_Char( FT_Face face, |
| 1725 | FT_UInt *agindex ) |
Werner Lemberg | 0f7c2f1 | 2002-02-04 20:55:58 +0000 | [diff] [blame] | 1726 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1727 | FT_ULong result = 0; |
| 1728 | FT_UInt gindex = 0; |
| 1729 | |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1730 | |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 1731 | if ( face && face->charmap ) |
| 1732 | { |
| 1733 | gindex = FT_Get_Char_Index( face, 0 ); |
| 1734 | if ( gindex == 0 ) |
| 1735 | result = FT_Get_Next_Char( face, 0, &gindex ); |
| 1736 | } |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1737 | |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 1738 | if ( agindex ) |
| 1739 | *agindex = gindex; |
David Turner | bc82f1b | 2002-03-01 02:26:22 +0000 | [diff] [blame] | 1740 | |
David Turner | 041889e | 2002-02-28 19:28:26 +0000 | [diff] [blame] | 1741 | return result; |
| 1742 | } |
| 1743 | |
| 1744 | /* documentation is in freetype.h */ |
| 1745 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 1746 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 1747 | FT_EXPORT_DEF( FT_ULong ) |
| 1748 | FT_Get_Next_Char( FT_Face face, |
| 1749 | FT_ULong charcode, |
| 1750 | FT_UInt *agindex ) |
| 1751 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1752 | FT_ULong result = 0; |
| 1753 | FT_UInt gindex = 0; |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 1754 | |
| 1755 | |
| 1756 | if ( face && face->charmap ) |
| 1757 | { |
| 1758 | FT_UInt32 code = (FT_UInt32)charcode; |
| 1759 | FT_CMap cmap = FT_CMAP( face->charmap ); |
| 1760 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1761 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 1762 | gindex = cmap->clazz->char_next( cmap, &code ); |
| 1763 | result = ( gindex == 0 ) ? 0 : code; |
| 1764 | } |
| 1765 | |
| 1766 | if ( agindex ) |
| 1767 | *agindex = gindex; |
| 1768 | |
| 1769 | return result; |
| 1770 | } |
| 1771 | |
David Turner | ed54f28 | 2002-03-22 17:09:52 +0000 | [diff] [blame] | 1772 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1773 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1774 | /* documentation is in freetype.h */ |
| 1775 | |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 1776 | FT_EXPORT_DEF( FT_UInt ) |
| 1777 | FT_Get_Name_Index( FT_Face face, |
| 1778 | FT_String* glyph_name ) |
| 1779 | { |
| 1780 | FT_UInt result = 0; |
| 1781 | |
| 1782 | |
| 1783 | if ( face && FT_HAS_GLYPH_NAMES( face ) ) |
| 1784 | { |
| 1785 | /* now, lookup for glyph name */ |
Werner Lemberg | 5dea444 | 2001-08-13 11:44:29 +0000 | [diff] [blame] | 1786 | FT_Driver driver = face->driver; |
| 1787 | FT_Module_Class* clazz = FT_MODULE_CLASS( driver ); |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 1788 | |
| 1789 | |
| 1790 | if ( clazz->get_interface ) |
| 1791 | { |
David Turner | b93b0f5 | 2002-03-14 09:28:51 +0000 | [diff] [blame] | 1792 | FT_Face_GetGlyphNameIndexFunc requester; |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 1793 | |
| 1794 | |
David Turner | b93b0f5 | 2002-03-14 09:28:51 +0000 | [diff] [blame] | 1795 | requester = (FT_Face_GetGlyphNameIndexFunc)clazz->get_interface( |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 1796 | FT_MODULE( driver ), "name_index" ); |
| 1797 | if ( requester ) |
| 1798 | result = requester( face, glyph_name ); |
| 1799 | } |
| 1800 | } |
| 1801 | |
| 1802 | return result; |
| 1803 | } |
| 1804 | |
Werner Lemberg | aef3fc8 | 2001-12-17 16:21:22 +0000 | [diff] [blame] | 1805 | |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 1806 | /* documentation is in freetype.h */ |
| 1807 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1808 | FT_EXPORT_DEF( FT_Error ) |
| 1809 | FT_Get_Glyph_Name( FT_Face face, |
| 1810 | FT_UInt glyph_index, |
| 1811 | FT_Pointer buffer, |
| 1812 | FT_UInt buffer_max ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1813 | { |
| 1814 | FT_Error error = FT_Err_Invalid_Argument; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 1815 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1816 | |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1817 | /* clean up buffer */ |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1818 | if ( buffer && buffer_max > 0 ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1819 | ((FT_Byte*)buffer)[0] = 0; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 1820 | |
Werner Lemberg | fd97d13 | 2002-06-16 01:14:16 +0000 | [diff] [blame] | 1821 | if ( face && |
| 1822 | glyph_index <= (FT_UInt)face->num_glyphs && |
| 1823 | FT_HAS_GLYPH_NAMES( face ) ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1824 | { |
| 1825 | /* now, lookup for glyph name */ |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1826 | FT_Driver driver = face->driver; |
| 1827 | FT_Module_Class* clazz = FT_MODULE_CLASS( driver ); |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1828 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1829 | |
| 1830 | if ( clazz->get_interface ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1831 | { |
David Turner | b93b0f5 | 2002-03-14 09:28:51 +0000 | [diff] [blame] | 1832 | FT_Face_GetGlyphNameFunc requester; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 1833 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1834 | |
David Turner | b93b0f5 | 2002-03-14 09:28:51 +0000 | [diff] [blame] | 1835 | requester = (FT_Face_GetGlyphNameFunc)clazz->get_interface( |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1836 | FT_MODULE( driver ), "glyph_name" ); |
| 1837 | if ( requester ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1838 | error = requester( face, glyph_index, buffer, buffer_max ); |
| 1839 | } |
| 1840 | } |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1841 | |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1842 | return error; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 1843 | } |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1844 | |
| 1845 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 1846 | /* documentation is in freetype.h */ |
| 1847 | |
| 1848 | FT_EXPORT_DEF( const char* ) |
| 1849 | FT_Get_Postscript_Name( FT_Face face ) |
| 1850 | { |
| 1851 | const char* result = NULL; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 1852 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 1853 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 1854 | if ( !face ) |
| 1855 | goto Exit; |
| 1856 | |
| 1857 | result = face->internal->postscript_name; |
| 1858 | if ( !result ) |
| 1859 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1860 | /* now, look up glyph name */ |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 1861 | FT_Driver driver = face->driver; |
| 1862 | FT_Module_Class* clazz = FT_MODULE_CLASS( driver ); |
| 1863 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 1864 | |
| 1865 | if ( clazz->get_interface ) |
| 1866 | { |
David Turner | b93b0f5 | 2002-03-14 09:28:51 +0000 | [diff] [blame] | 1867 | FT_Face_GetPostscriptNameFunc requester; |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 1868 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 1869 | |
David Turner | b93b0f5 | 2002-03-14 09:28:51 +0000 | [diff] [blame] | 1870 | requester = (FT_Face_GetPostscriptNameFunc)clazz->get_interface( |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 1871 | FT_MODULE( driver ), "postscript_name" ); |
| 1872 | if ( requester ) |
| 1873 | result = requester( face ); |
| 1874 | } |
| 1875 | } |
| 1876 | Exit: |
| 1877 | return result; |
| 1878 | } |
| 1879 | |
| 1880 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1881 | /* documentation is in tttables.h */ |
| 1882 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1883 | FT_EXPORT_DEF( void* ) |
| 1884 | FT_Get_Sfnt_Table( FT_Face face, |
| 1885 | FT_Sfnt_Tag tag ) |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 1886 | { |
| 1887 | void* table = 0; |
| 1888 | FT_Get_Sfnt_Table_Func func; |
| 1889 | FT_Driver driver; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1890 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1891 | |
| 1892 | if ( !face || !FT_IS_SFNT( face ) ) |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 1893 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1894 | |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 1895 | driver = face->driver; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1896 | func = (FT_Get_Sfnt_Table_Func)driver->root.clazz->get_interface( |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1897 | FT_MODULE( driver ), "get_sfnt" ); |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1898 | if ( func ) |
| 1899 | table = func( face, tag ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1900 | |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 1901 | Exit: |
| 1902 | return table; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1903 | } |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 1904 | |
| 1905 | |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 1906 | /* documentation is in tttables.h */ |
| 1907 | |
| 1908 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | c8c6bf5 | 2003-04-23 05:38:13 +0000 | [diff] [blame^] | 1909 | FT_Load_Sfnt_Table( FT_Face face, |
| 1910 | FT_ULong tag, |
| 1911 | FT_Long offset, |
| 1912 | FT_Byte* buffer, |
| 1913 | FT_ULong* length ) |
David Turner | 621e488 | 2002-12-16 21:51:24 +0000 | [diff] [blame] | 1914 | { |
| 1915 | SFNT_Load_Table_Func func; |
| 1916 | FT_Driver driver; |
| 1917 | |
| 1918 | |
| 1919 | if ( !face || !FT_IS_SFNT( face ) ) |
| 1920 | return FT_Err_Invalid_Face_Handle; |
| 1921 | |
| 1922 | driver = face->driver; |
| 1923 | func = (SFNT_Load_Table_Func) driver->root.clazz->get_interface( |
| 1924 | FT_MODULE( driver ), "load_sfnt" ); |
| 1925 | if ( !func ) |
| 1926 | return FT_Err_Unimplemented_Feature; |
| 1927 | |
| 1928 | return func( face, tag, offset, buffer, length ); |
| 1929 | } |
| 1930 | |
| 1931 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 1932 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 1933 | FT_Activate_Size( FT_Size size ) |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 1934 | { |
| 1935 | FT_Face face; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 1936 | |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 1937 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 1938 | if ( size == NULL ) |
| 1939 | return FT_Err_Bad_Argument; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 1940 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 1941 | face = size->face; |
| 1942 | if ( face == NULL || face->driver == NULL ) |
| 1943 | return FT_Err_Bad_Argument; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 1944 | |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 1945 | /* we don't need anything more complex than that; all size objects */ |
| 1946 | /* are already listed by the face */ |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 1947 | face->size = size; |
Werner Lemberg | 1a0a979 | 2002-01-03 22:06:13 +0000 | [diff] [blame] | 1948 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 1949 | return FT_Err_Ok; |
| 1950 | } |
| 1951 | |
| 1952 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1953 | /*************************************************************************/ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1954 | /*************************************************************************/ |
| 1955 | /*************************************************************************/ |
| 1956 | /**** ****/ |
| 1957 | /**** ****/ |
| 1958 | /**** R E N D E R E R S ****/ |
| 1959 | /**** ****/ |
| 1960 | /**** ****/ |
| 1961 | /*************************************************************************/ |
| 1962 | /*************************************************************************/ |
| 1963 | /*************************************************************************/ |
| 1964 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1965 | /* lookup a renderer by glyph format in the library's list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1966 | FT_BASE_DEF( FT_Renderer ) |
| 1967 | FT_Lookup_Renderer( FT_Library library, |
| 1968 | FT_Glyph_Format format, |
| 1969 | FT_ListNode* node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1970 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 1971 | FT_ListNode cur; |
| 1972 | FT_Renderer result = 0; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1973 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1974 | |
| 1975 | if ( !library ) |
| 1976 | goto Exit; |
| 1977 | |
| 1978 | cur = library->renderers.head; |
| 1979 | |
| 1980 | if ( node ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 1981 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1982 | if ( *node ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 1983 | cur = (*node)->next; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1984 | *node = 0; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 1985 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1986 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1987 | while ( cur ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1988 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1989 | FT_Renderer renderer = FT_RENDERER( cur->data ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1990 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1991 | |
| 1992 | if ( renderer->glyph_format == format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1993 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1994 | if ( node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1995 | *node = cur; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1996 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1997 | result = renderer; |
| 1998 | break; |
| 1999 | } |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2000 | cur = cur->next; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2001 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2002 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2003 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2004 | return result; |
| 2005 | } |
| 2006 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2007 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2008 | static FT_Renderer |
| 2009 | ft_lookup_glyph_renderer( FT_GlyphSlot slot ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2010 | { |
| 2011 | FT_Face face = slot->face; |
| 2012 | FT_Library library = FT_FACE_LIBRARY( face ); |
| 2013 | FT_Renderer result = library->cur_renderer; |
| 2014 | |
| 2015 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2016 | if ( !result || result->glyph_format != slot->format ) |
David Turner | 81bb4ad | 2000-06-28 04:19:49 +0000 | [diff] [blame] | 2017 | result = FT_Lookup_Renderer( library, slot->format, 0 ); |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 2018 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2019 | return result; |
| 2020 | } |
| 2021 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2022 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2023 | static void |
| 2024 | ft_set_current_renderer( FT_Library library ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2025 | { |
| 2026 | FT_Renderer renderer; |
| 2027 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2028 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2029 | renderer = FT_Lookup_Renderer( library, FT_GLYPH_FORMAT_OUTLINE, 0 ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2030 | library->cur_renderer = renderer; |
| 2031 | } |
| 2032 | |
| 2033 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2034 | static FT_Error |
| 2035 | ft_add_renderer( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2036 | { |
| 2037 | FT_Library library = module->library; |
| 2038 | FT_Memory memory = library->memory; |
| 2039 | FT_Error error; |
| 2040 | FT_ListNode node; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2041 | |
| 2042 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2043 | if ( FT_NEW( node ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2044 | goto Exit; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2045 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2046 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2047 | FT_Renderer render = FT_RENDERER( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2048 | FT_Renderer_Class* clazz = (FT_Renderer_Class*)module->clazz; |
| 2049 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2050 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2051 | render->clazz = clazz; |
| 2052 | render->glyph_format = clazz->glyph_format; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2053 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2054 | /* allocate raster object if needed */ |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2055 | if ( clazz->glyph_format == FT_GLYPH_FORMAT_OUTLINE && |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2056 | clazz->raster_class->raster_new ) |
| 2057 | { |
| 2058 | error = clazz->raster_class->raster_new( memory, &render->raster ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2059 | if ( error ) |
| 2060 | goto Fail; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2061 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2062 | render->raster_render = clazz->raster_class->raster_render; |
| 2063 | render->render = clazz->render_glyph; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2064 | } |
| 2065 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2066 | /* add to list */ |
| 2067 | node->data = module; |
| 2068 | FT_List_Add( &library->renderers, node ); |
| 2069 | |
| 2070 | ft_set_current_renderer( library ); |
| 2071 | } |
| 2072 | |
| 2073 | Fail: |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2074 | if ( error ) |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2075 | FT_FREE( node ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2076 | |
| 2077 | Exit: |
| 2078 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2079 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2080 | |
| 2081 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2082 | static void |
| 2083 | ft_remove_renderer( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2084 | { |
| 2085 | FT_Library library = module->library; |
| 2086 | FT_Memory memory = library->memory; |
| 2087 | FT_ListNode node; |
| 2088 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2089 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2090 | node = FT_List_Find( &library->renderers, module ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2091 | if ( node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2092 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2093 | FT_Renderer render = FT_RENDERER( module ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2094 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2095 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2096 | /* release raster object, if any */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2097 | if ( render->raster ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2098 | render->clazz->raster_class->raster_done( render->raster ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2099 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2100 | /* remove from list */ |
| 2101 | FT_List_Remove( &library->renderers, node ); |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2102 | FT_FREE( node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2103 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2104 | ft_set_current_renderer( library ); |
| 2105 | } |
| 2106 | } |
| 2107 | |
| 2108 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2109 | /* documentation is in ftrender.h */ |
| 2110 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2111 | FT_EXPORT_DEF( FT_Renderer ) |
| 2112 | FT_Get_Renderer( FT_Library library, |
| 2113 | FT_Glyph_Format format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2114 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2115 | /* test for valid `library' delayed to FT_Lookup_Renderer() */ |
| 2116 | |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2117 | return FT_Lookup_Renderer( library, format, 0 ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2118 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2119 | |
| 2120 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2121 | /* documentation is in ftrender.h */ |
| 2122 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2123 | FT_EXPORT_DEF( FT_Error ) |
| 2124 | FT_Set_Renderer( FT_Library library, |
| 2125 | FT_Renderer renderer, |
| 2126 | FT_UInt num_params, |
| 2127 | FT_Parameter* parameters ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2128 | { |
| 2129 | FT_ListNode node; |
| 2130 | FT_Error error = FT_Err_Ok; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2131 | |
| 2132 | |
| 2133 | if ( !library ) |
| 2134 | return FT_Err_Invalid_Library_Handle; |
| 2135 | |
| 2136 | if ( !renderer ) |
| 2137 | return FT_Err_Invalid_Argument; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2138 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2139 | node = FT_List_Find( &library->renderers, renderer ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2140 | if ( !node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2141 | { |
| 2142 | error = FT_Err_Invalid_Argument; |
| 2143 | goto Exit; |
| 2144 | } |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2145 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2146 | FT_List_Up( &library->renderers, node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2147 | |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2148 | if ( renderer->glyph_format == FT_GLYPH_FORMAT_OUTLINE ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2149 | library->cur_renderer = renderer; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2150 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2151 | if ( num_params > 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2152 | { |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2153 | FT_Renderer_SetModeFunc set_mode = renderer->clazz->set_mode; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2154 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2155 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2156 | for ( ; num_params > 0; num_params-- ) |
| 2157 | { |
| 2158 | error = set_mode( renderer, parameters->tag, parameters->data ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2159 | if ( error ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2160 | break; |
| 2161 | } |
| 2162 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2163 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2164 | Exit: |
| 2165 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2166 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2167 | |
| 2168 | |
David Turner | 7504e48 | 2002-06-07 07:24:55 +0000 | [diff] [blame] | 2169 | FT_BASE_DEF( FT_Error ) |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 2170 | FT_Render_Glyph_Internal( FT_Library library, |
| 2171 | FT_GlyphSlot slot, |
| 2172 | FT_Render_Mode render_mode ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2173 | { |
| 2174 | FT_Error error = FT_Err_Ok; |
| 2175 | FT_Renderer renderer; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2176 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2177 | |
| 2178 | /* if it is already a bitmap, no need to do anything */ |
| 2179 | switch ( slot->format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2180 | { |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2181 | case FT_GLYPH_FORMAT_BITMAP: /* already a bitmap, don't do anything */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2182 | break; |
| 2183 | |
| 2184 | default: |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2185 | { |
| 2186 | FT_ListNode node = 0; |
| 2187 | FT_Bool update = 0; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2188 | |
| 2189 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2190 | /* small shortcut for the very common case */ |
David Turner | b08fe2d | 2002-08-27 20:20:29 +0000 | [diff] [blame] | 2191 | if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2192 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2193 | renderer = library->cur_renderer; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2194 | node = library->renderers.head; |
| 2195 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2196 | else |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2197 | renderer = FT_Lookup_Renderer( library, slot->format, &node ); |
| 2198 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2199 | error = FT_Err_Unimplemented_Feature; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2200 | while ( renderer ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2201 | { |
David Turner | c8ad30a | 2001-12-05 17:24:34 +0000 | [diff] [blame] | 2202 | error = renderer->render( renderer, slot, render_mode, NULL ); |
Werner Lemberg | 7986070 | 2001-06-08 21:17:29 +0000 | [diff] [blame] | 2203 | if ( !error || |
| 2204 | FT_ERROR_BASE( error ) != FT_Err_Cannot_Render_Glyph ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2205 | break; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2206 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2207 | /* FT_Err_Cannot_Render_Glyph is returned if the render mode */ |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2208 | /* is unsupported by the current renderer for this glyph image */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2209 | /* format. */ |
| 2210 | |
| 2211 | /* now, look for another renderer that supports the same */ |
| 2212 | /* format. */ |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2213 | renderer = FT_Lookup_Renderer( library, slot->format, &node ); |
| 2214 | update = 1; |
| 2215 | } |
| 2216 | |
| 2217 | /* if we changed the current renderer for the glyph image format */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2218 | /* we need to select it as the next current one */ |
| 2219 | if ( !error && update && renderer ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2220 | FT_Set_Renderer( library, renderer, 0, 0 ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2221 | } |
| 2222 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2223 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2224 | return error; |
| 2225 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2226 | |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2227 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2228 | /* documentation is in freetype.h */ |
| 2229 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2230 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 2231 | FT_Render_Glyph( FT_GlyphSlot slot, |
| 2232 | FT_Render_Mode render_mode ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2233 | { |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2234 | FT_Library library; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2235 | |
| 2236 | |
| 2237 | if ( !slot ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2238 | return FT_Err_Invalid_Argument; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2239 | |
| 2240 | library = FT_FACE_LIBRARY( slot->face ); |
| 2241 | |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2242 | return FT_Render_Glyph_Internal( library, slot, render_mode ); |
| 2243 | } |
| 2244 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2245 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2246 | /*************************************************************************/ |
| 2247 | /*************************************************************************/ |
| 2248 | /*************************************************************************/ |
| 2249 | /**** ****/ |
| 2250 | /**** ****/ |
| 2251 | /**** M O D U L E S ****/ |
| 2252 | /**** ****/ |
| 2253 | /**** ****/ |
| 2254 | /*************************************************************************/ |
| 2255 | /*************************************************************************/ |
| 2256 | /*************************************************************************/ |
| 2257 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2258 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2259 | /*************************************************************************/ |
| 2260 | /* */ |
| 2261 | /* <Function> */ |
| 2262 | /* Destroy_Module */ |
| 2263 | /* */ |
| 2264 | /* <Description> */ |
| 2265 | /* Destroys a given module object. For drivers, this also destroys */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2266 | /* all child faces. */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2267 | /* */ |
| 2268 | /* <InOut> */ |
| 2269 | /* module :: A handle to the target driver object. */ |
| 2270 | /* */ |
| 2271 | /* <Note> */ |
| 2272 | /* The driver _must_ be LOCKED! */ |
| 2273 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2274 | static void |
| 2275 | Destroy_Module( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2276 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 2277 | FT_Memory memory = module->memory; |
| 2278 | FT_Module_Class* clazz = module->clazz; |
| 2279 | FT_Library library = module->library; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2280 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2281 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2282 | /* finalize client-data - before anything else */ |
| 2283 | if ( module->generic.finalizer ) |
| 2284 | module->generic.finalizer( module ); |
| 2285 | |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 2286 | if ( library && library->auto_hinter == module ) |
| 2287 | library->auto_hinter = 0; |
| 2288 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2289 | /* if the module is a renderer */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2290 | if ( FT_MODULE_IS_RENDERER( module ) ) |
| 2291 | ft_remove_renderer( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2292 | |
| 2293 | /* if the module is a font driver, add some steps */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2294 | if ( FT_MODULE_IS_DRIVER( module ) ) |
| 2295 | Destroy_Driver( FT_DRIVER( module ) ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2296 | |
| 2297 | /* finalize the module object */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2298 | if ( clazz->module_done ) |
| 2299 | clazz->module_done( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2300 | |
| 2301 | /* discard it */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2302 | FT_FREE( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2303 | } |
| 2304 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2305 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2306 | /* documentation is in ftmodule.h */ |
| 2307 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2308 | FT_EXPORT_DEF( FT_Error ) |
| 2309 | FT_Add_Module( FT_Library library, |
| 2310 | const FT_Module_Class* clazz ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2311 | { |
| 2312 | FT_Error error; |
| 2313 | FT_Memory memory; |
| 2314 | FT_Module module; |
| 2315 | FT_UInt nn; |
| 2316 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2317 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2318 | #define FREETYPE_VER_FIXED ( ( (FT_Long)FREETYPE_MAJOR << 16 ) | \ |
| 2319 | FREETYPE_MINOR ) |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2320 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2321 | if ( !library ) |
| 2322 | return FT_Err_Invalid_Library_Handle; |
| 2323 | |
| 2324 | if ( !clazz ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2325 | return FT_Err_Invalid_Argument; |
| 2326 | |
| 2327 | /* check freetype version */ |
| 2328 | if ( clazz->module_requires > FREETYPE_VER_FIXED ) |
| 2329 | return FT_Err_Invalid_Version; |
| 2330 | |
| 2331 | /* look for a module with the same name in the library's table */ |
| 2332 | for ( nn = 0; nn < library->num_modules; nn++ ) |
| 2333 | { |
| 2334 | module = library->modules[nn]; |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 2335 | if ( ft_strcmp( module->clazz->module_name, clazz->module_name ) == 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2336 | { |
| 2337 | /* this installed module has the same name, compare their versions */ |
| 2338 | if ( clazz->module_version <= module->clazz->module_version ) |
| 2339 | return FT_Err_Lower_Module_Version; |
| 2340 | |
| 2341 | /* remove the module from our list, then exit the loop to replace */ |
| 2342 | /* it by our new version.. */ |
| 2343 | FT_Remove_Module( library, module ); |
| 2344 | break; |
| 2345 | } |
| 2346 | } |
| 2347 | |
| 2348 | memory = library->memory; |
| 2349 | error = FT_Err_Ok; |
| 2350 | |
| 2351 | if ( library->num_modules >= FT_MAX_MODULES ) |
| 2352 | { |
| 2353 | error = FT_Err_Too_Many_Drivers; |
| 2354 | goto Exit; |
| 2355 | } |
| 2356 | |
| 2357 | /* allocate module object */ |
Werner Lemberg | 68e9f92 | 2002-09-27 11:09:23 +0000 | [diff] [blame] | 2358 | if ( FT_ALLOC( module, clazz->module_size ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2359 | goto Exit; |
| 2360 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2361 | /* base initialization */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2362 | module->library = library; |
| 2363 | module->memory = memory; |
| 2364 | module->clazz = (FT_Module_Class*)clazz; |
| 2365 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2366 | /* check whether the module is a renderer - this must be performed */ |
| 2367 | /* before the normal module initialization */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2368 | if ( FT_MODULE_IS_RENDERER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2369 | { |
| 2370 | /* add to the renderers list */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2371 | error = ft_add_renderer( module ); |
| 2372 | if ( error ) |
| 2373 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2374 | } |
| 2375 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 2376 | /* is the module a auto-hinter? */ |
| 2377 | if ( FT_MODULE_IS_HINTER( module ) ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 2378 | library->auto_hinter = module; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 2379 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2380 | /* if the module is a font driver */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2381 | if ( FT_MODULE_IS_DRIVER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2382 | { |
| 2383 | /* allocate glyph loader if needed */ |
Werner Lemberg | f8ba200 | 2002-03-30 13:16:35 +0000 | [diff] [blame] | 2384 | FT_Driver driver = FT_DRIVER( module ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2385 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2386 | |
David Turner | ef3c126 | 2002-03-14 09:22:48 +0000 | [diff] [blame] | 2387 | driver->clazz = (FT_Driver_Class)module->clazz; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2388 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2389 | { |
| 2390 | error = FT_GlyphLoader_New( memory, &driver->glyph_loader ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2391 | if ( error ) |
| 2392 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2393 | } |
| 2394 | } |
| 2395 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2396 | if ( clazz->module_init ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2397 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2398 | error = clazz->module_init( module ); |
| 2399 | if ( error ) |
| 2400 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2401 | } |
| 2402 | |
| 2403 | /* add module to the library's table */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2404 | library->modules[library->num_modules++] = module; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2405 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2406 | Exit: |
| 2407 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2408 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2409 | Fail: |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2410 | if ( FT_MODULE_IS_DRIVER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2411 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2412 | FT_Driver driver = FT_DRIVER( module ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2413 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2414 | |
| 2415 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2416 | FT_GlyphLoader_Done( driver->glyph_loader ); |
| 2417 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2418 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2419 | if ( FT_MODULE_IS_RENDERER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2420 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2421 | FT_Renderer renderer = FT_RENDERER( module ); |
| 2422 | |
| 2423 | |
| 2424 | if ( renderer->raster ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2425 | renderer->clazz->raster_class->raster_done( renderer->raster ); |
| 2426 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2427 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2428 | FT_FREE( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2429 | goto Exit; |
| 2430 | } |
| 2431 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2432 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2433 | /* documentation is in ftmodule.h */ |
| 2434 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2435 | FT_EXPORT_DEF( FT_Module ) |
| 2436 | FT_Get_Module( FT_Library library, |
| 2437 | const char* module_name ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2438 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2439 | FT_Module result = 0; |
| 2440 | FT_Module* cur; |
| 2441 | FT_Module* limit; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2442 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2443 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2444 | if ( !library || !module_name ) |
| 2445 | return result; |
| 2446 | |
| 2447 | cur = library->modules; |
| 2448 | limit = cur + library->num_modules; |
| 2449 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2450 | for ( ; cur < limit; cur++ ) |
David Turner | d15bc0d | 2002-04-12 09:31:48 +0000 | [diff] [blame] | 2451 | if ( ft_strcmp( cur[0]->clazz->module_name, module_name ) == 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2452 | { |
| 2453 | result = cur[0]; |
| 2454 | break; |
| 2455 | } |
| 2456 | |
| 2457 | return result; |
| 2458 | } |
| 2459 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2460 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 2461 | /* documentation is in ftobjs.h */ |
| 2462 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2463 | FT_BASE_DEF( const void* ) |
| 2464 | FT_Get_Module_Interface( FT_Library library, |
| 2465 | const char* mod_name ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2466 | { |
| 2467 | FT_Module module; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2468 | |
| 2469 | |
| 2470 | /* test for valid `library' delayed to FT_Get_Module() */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2471 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2472 | module = FT_Get_Module( library, mod_name ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2473 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2474 | return module ? module->clazz->module_interface : 0; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2475 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2476 | |
| 2477 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2478 | /* documentation is in ftmodule.h */ |
| 2479 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2480 | FT_EXPORT_DEF( FT_Error ) |
| 2481 | FT_Remove_Module( FT_Library library, |
| 2482 | FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2483 | { |
| 2484 | /* 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] | 2485 | |
| 2486 | if ( !library ) |
| 2487 | return FT_Err_Invalid_Library_Handle; |
| 2488 | |
| 2489 | if ( module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2490 | { |
| 2491 | FT_Module* cur = library->modules; |
| 2492 | FT_Module* limit = cur + library->num_modules; |
| 2493 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2494 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2495 | for ( ; cur < limit; cur++ ) |
| 2496 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2497 | if ( cur[0] == module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2498 | { |
| 2499 | /* remove it from the table */ |
| 2500 | library->num_modules--; |
| 2501 | limit--; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2502 | while ( cur < limit ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2503 | { |
| 2504 | cur[0] = cur[1]; |
| 2505 | cur++; |
| 2506 | } |
| 2507 | limit[0] = 0; |
| 2508 | |
| 2509 | /* destroy the module */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2510 | Destroy_Module( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2511 | |
| 2512 | return FT_Err_Ok; |
| 2513 | } |
| 2514 | } |
| 2515 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 2516 | return FT_Err_Invalid_Driver_Handle; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2517 | } |
| 2518 | |
| 2519 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2520 | /*************************************************************************/ |
| 2521 | /*************************************************************************/ |
| 2522 | /*************************************************************************/ |
| 2523 | /**** ****/ |
| 2524 | /**** ****/ |
| 2525 | /**** L I B R A R Y ****/ |
| 2526 | /**** ****/ |
| 2527 | /**** ****/ |
| 2528 | /*************************************************************************/ |
| 2529 | /*************************************************************************/ |
| 2530 | /*************************************************************************/ |
| 2531 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2532 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2533 | /* documentation is in ftmodule.h */ |
| 2534 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2535 | FT_EXPORT_DEF( FT_Error ) |
| 2536 | FT_New_Library( FT_Memory memory, |
| 2537 | FT_Library *alibrary ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2538 | { |
| 2539 | FT_Library library = 0; |
| 2540 | FT_Error error; |
| 2541 | |
| 2542 | |
| 2543 | if ( !memory ) |
| 2544 | return FT_Err_Invalid_Argument; |
| 2545 | |
David Turner | f574960 | 2002-04-18 10:07:26 +0000 | [diff] [blame] | 2546 | #ifdef FT_DEBUG_LEVEL_ERROR |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 2547 | /* init debugging support */ |
| 2548 | ft_debug_init(); |
David Turner | f574960 | 2002-04-18 10:07:26 +0000 | [diff] [blame] | 2549 | #endif |
David Turner | 53b3fa1 | 2002-02-24 05:26:57 +0000 | [diff] [blame] | 2550 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2551 | /* first of all, allocate the library object */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2552 | if ( FT_NEW( library ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2553 | return error; |
| 2554 | |
| 2555 | library->memory = memory; |
| 2556 | |
| 2557 | /* allocate the render pool */ |
| 2558 | library->raster_pool_size = FT_RENDER_POOL_SIZE; |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2559 | if ( FT_ALLOC( library->raster_pool, FT_RENDER_POOL_SIZE ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2560 | goto Fail; |
| 2561 | |
| 2562 | /* That's ok now */ |
| 2563 | *alibrary = library; |
| 2564 | |
| 2565 | return FT_Err_Ok; |
| 2566 | |
| 2567 | Fail: |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2568 | FT_FREE( library ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2569 | return error; |
| 2570 | } |
| 2571 | |
| 2572 | |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 2573 | /* documentation is in freetype.h */ |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 2574 | |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 2575 | FT_EXPORT_DEF( void ) |
| 2576 | FT_Library_Version( FT_Library library, |
| 2577 | FT_Int *amajor, |
| 2578 | FT_Int *aminor, |
| 2579 | FT_Int *apatch ) |
| 2580 | { |
| 2581 | FT_Int major = 0; |
| 2582 | FT_Int minor = 0; |
| 2583 | FT_Int patch = 0; |
| 2584 | |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 2585 | |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 2586 | if ( library ) |
| 2587 | { |
| 2588 | major = library->version_major; |
| 2589 | minor = library->version_minor; |
| 2590 | patch = library->version_patch; |
| 2591 | } |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 2592 | |
David Turner | d48575e | 2002-09-18 23:18:36 +0000 | [diff] [blame] | 2593 | if ( amajor ) |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 2594 | *amajor = major; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 2595 | |
David Turner | d48575e | 2002-09-18 23:18:36 +0000 | [diff] [blame] | 2596 | if ( aminor ) |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 2597 | *aminor = minor; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 2598 | |
David Turner | d48575e | 2002-09-18 23:18:36 +0000 | [diff] [blame] | 2599 | if ( apatch ) |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 2600 | *apatch = patch; |
David Turner | 25a6e3a | 2002-06-10 23:03:35 +0000 | [diff] [blame] | 2601 | } |
David Turner | 83b4a4b | 2002-03-06 12:42:34 +0000 | [diff] [blame] | 2602 | |
| 2603 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2604 | /* documentation is in ftmodule.h */ |
| 2605 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2606 | FT_EXPORT_DEF( FT_Error ) |
| 2607 | FT_Done_Library( FT_Library library ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2608 | { |
| 2609 | FT_Memory memory; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2610 | |
| 2611 | |
| 2612 | if ( !library ) |
| 2613 | return FT_Err_Invalid_Library_Handle; |
| 2614 | |
| 2615 | memory = library->memory; |
| 2616 | |
| 2617 | /* Discard client-data */ |
| 2618 | if ( library->generic.finalizer ) |
| 2619 | library->generic.finalizer( library ); |
| 2620 | |
| 2621 | /* Close all modules in the library */ |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 2622 | #if 1 |
David Turner | c808748 | 2001-12-20 13:14:18 +0000 | [diff] [blame] | 2623 | while ( library->num_modules > 0 ) |
| 2624 | FT_Remove_Module( library, library->modules[0] ); |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 2625 | #else |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2626 | { |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 2627 | FT_UInt n; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2628 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2629 | |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 2630 | for ( n = 0; n < library->num_modules; n++ ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2631 | { |
Werner Lemberg | f41e71a | 2001-12-20 21:22:02 +0000 | [diff] [blame] | 2632 | FT_Module module = library->modules[n]; |
| 2633 | |
| 2634 | |
| 2635 | if ( module ) |
| 2636 | { |
| 2637 | Destroy_Module( module ); |
| 2638 | library->modules[n] = 0; |
| 2639 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2640 | } |
| 2641 | } |
David Turner | c808748 | 2001-12-20 13:14:18 +0000 | [diff] [blame] | 2642 | #endif |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2643 | |
| 2644 | /* Destroy raster objects */ |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2645 | FT_FREE( library->raster_pool ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2646 | library->raster_pool_size = 0; |
| 2647 | |
David Turner | e459d74 | 2002-03-22 13:52:37 +0000 | [diff] [blame] | 2648 | FT_FREE( library ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2649 | return FT_Err_Ok; |
| 2650 | } |
| 2651 | |
| 2652 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2653 | /* documentation is in ftmodule.h */ |
| 2654 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2655 | FT_EXPORT_DEF( void ) |
| 2656 | FT_Set_Debug_Hook( FT_Library library, |
| 2657 | FT_UInt hook_index, |
| 2658 | FT_DebugHook_Func debug_hook ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2659 | { |
| 2660 | if ( library && debug_hook && |
| 2661 | hook_index < |
| 2662 | ( sizeof ( library->debug_hooks ) / sizeof ( void* ) ) ) |
| 2663 | library->debug_hooks[hook_index] = debug_hook; |
| 2664 | } |
| 2665 | |
| 2666 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 2667 | /* END */ |