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 | 415235d | 2001-06-28 17:49:10 +0000 | [diff] [blame] | 7 | /* Copyright 1996-2001 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 |
| 21 | #include FT_INTERNAL_OBJECTS_H |
| 22 | #include FT_INTERNAL_DEBUG_H |
| 23 | #include FT_INTERNAL_STREAM_H |
| 24 | #include FT_TRUETYPE_TABLES_H |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 25 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 26 | #include <string.h> /* for strcmp() */ |
| 27 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 28 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 29 | /*************************************************************************/ |
| 30 | /*************************************************************************/ |
| 31 | /*************************************************************************/ |
| 32 | /**** ****/ |
| 33 | /**** ****/ |
| 34 | /**** M E M O R Y ****/ |
| 35 | /**** ****/ |
| 36 | /**** ****/ |
| 37 | /*************************************************************************/ |
| 38 | /*************************************************************************/ |
| 39 | /*************************************************************************/ |
| 40 | |
| 41 | /*************************************************************************/ |
| 42 | /* */ |
| 43 | /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 44 | /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 45 | /* messages during execution. */ |
| 46 | /* */ |
| 47 | #undef FT_COMPONENT |
| 48 | #define FT_COMPONENT trace_memory |
| 49 | |
| 50 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 51 | /* documentation is in ftmemory.h */ |
| 52 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 53 | FT_BASE_DEF( FT_Error ) |
| 54 | FT_Alloc( FT_Memory memory, |
| 55 | FT_Long size, |
| 56 | void* *P ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 57 | { |
| 58 | FT_Assert( P != 0 ); |
| 59 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 60 | if ( size > 0 ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 61 | { |
| 62 | *P = memory->alloc( memory, size ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 63 | if ( !*P ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 64 | { |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 65 | FT_ERROR(( "FT_Alloc:" )); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 66 | FT_ERROR(( " Out of memory? (%ld requested)\n", |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 67 | size )); |
| 68 | |
| 69 | return FT_Err_Out_Of_Memory; |
| 70 | } |
| 71 | MEM_Set( *P, 0, size ); |
| 72 | } |
| 73 | else |
| 74 | *P = NULL; |
| 75 | |
Werner Lemberg | 5617726 | 2000-06-03 21:59:44 +0000 | [diff] [blame] | 76 | FT_TRACE7(( "FT_Alloc:" )); |
| 77 | FT_TRACE7(( " size = %ld, block = 0x%08p, ref = 0x%08p\n", |
David Turner | 51179f0 | 2000-05-18 16:18:05 +0000 | [diff] [blame] | 78 | size, *P, P )); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 79 | |
| 80 | return FT_Err_Ok; |
| 81 | } |
| 82 | |
| 83 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 84 | /* documentation is in ftmemory.h */ |
| 85 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 86 | FT_BASE_DEF( FT_Error ) |
| 87 | FT_Realloc( FT_Memory memory, |
| 88 | FT_Long current, |
| 89 | FT_Long size, |
| 90 | void** P ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 91 | { |
| 92 | void* Q; |
| 93 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 94 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 95 | FT_Assert( P != 0 ); |
| 96 | |
| 97 | /* if the original pointer is NULL, call FT_Alloc() */ |
| 98 | if ( !*P ) |
| 99 | return FT_Alloc( memory, size, P ); |
| 100 | |
| 101 | /* if the new block if zero-sized, clear the current one */ |
| 102 | if ( size <= 0 ) |
| 103 | { |
| 104 | FT_Free( memory, P ); |
| 105 | return FT_Err_Ok; |
| 106 | } |
| 107 | |
| 108 | Q = memory->realloc( memory, current, size, *P ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 109 | if ( !Q ) |
| 110 | goto Fail; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 111 | |
David Turner | a147103 | 2001-10-18 11:23:51 +0000 | [diff] [blame] | 112 | if ( size > current ) |
| 113 | memset( (char*)Q + current, 0, size - current ); |
| 114 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 115 | *P = Q; |
| 116 | return FT_Err_Ok; |
| 117 | |
| 118 | Fail: |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 119 | FT_ERROR(( "FT_Realloc:" )); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 120 | FT_ERROR(( " Failed (current %ld, requested %ld)\n", |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 121 | current, size )); |
| 122 | return FT_Err_Out_Of_Memory; |
| 123 | } |
| 124 | |
| 125 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 126 | /* documentation is in ftmemory.h */ |
| 127 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 128 | FT_BASE_DEF( void ) |
| 129 | FT_Free( FT_Memory memory, |
| 130 | void** P ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 131 | { |
Werner Lemberg | 5617726 | 2000-06-03 21:59:44 +0000 | [diff] [blame] | 132 | FT_TRACE7(( "FT_Free:" )); |
| 133 | FT_TRACE7(( " Freeing block 0x%08p, ref 0x%08p\n", |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 134 | P, P ? *P : (void*)0 )); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 135 | |
Werner Lemberg | e35cac6 | 2000-06-11 03:46:57 +0000 | [diff] [blame] | 136 | if ( P && *P ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 137 | { |
| 138 | memory->free( memory, *P ); |
| 139 | *P = 0; |
| 140 | } |
| 141 | } |
| 142 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 143 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 144 | /*************************************************************************/ |
| 145 | /*************************************************************************/ |
| 146 | /*************************************************************************/ |
| 147 | /**** ****/ |
| 148 | /**** ****/ |
| 149 | /**** S T R E A M ****/ |
| 150 | /**** ****/ |
| 151 | /**** ****/ |
| 152 | /*************************************************************************/ |
| 153 | /*************************************************************************/ |
| 154 | /*************************************************************************/ |
| 155 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 156 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 157 | /*************************************************************************/ |
| 158 | /* */ |
| 159 | /* <Function> */ |
| 160 | /* ft_new_input_stream */ |
| 161 | /* */ |
| 162 | /* <Description> */ |
| 163 | /* Creates a new input stream object from an FT_Open_Args structure. */ |
| 164 | /* */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 165 | /* <Note> */ |
| 166 | /* The function expects a valid `astream' parameter. */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 167 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 168 | static FT_Error |
| 169 | ft_new_input_stream( FT_Library library, |
| 170 | FT_Open_Args* args, |
| 171 | FT_Stream* astream ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 172 | { |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 173 | FT_Error error; |
| 174 | FT_Memory memory; |
| 175 | FT_Stream stream; |
| 176 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 177 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 178 | if ( !library ) |
| 179 | return FT_Err_Invalid_Library_Handle; |
| 180 | |
| 181 | if ( !args ) |
| 182 | return FT_Err_Invalid_Argument; |
| 183 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 184 | *astream = 0; |
| 185 | memory = library->memory; |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 186 | if ( ALLOC( stream, sizeof ( *stream ) ) ) |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 187 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 188 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 189 | stream->memory = memory; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 190 | |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 191 | /* now, look at the stream flags */ |
| 192 | if ( args->flags & ft_open_memory ) |
Just van Rossum | d35aea7 | 2000-03-02 01:07:50 +0000 | [diff] [blame] | 193 | { |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 194 | error = 0; |
| 195 | FT_New_Memory_Stream( library, |
David Turner | 8edbcab | 2001-06-19 08:28:24 +0000 | [diff] [blame] | 196 | (FT_Byte*)args->memory_base, |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 197 | args->memory_size, |
| 198 | stream ); |
| 199 | } |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 200 | else if ( args->flags & ft_open_pathname ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 201 | { |
| 202 | error = FT_New_Stream( args->pathname, stream ); |
| 203 | stream->pathname.pointer = args->pathname; |
| 204 | } |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 205 | else if ( ( args->flags & ft_open_stream ) && args->stream ) |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 206 | { |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 207 | /* in this case, we do not need to allocate a new stream object */ |
| 208 | /* since the caller is responsible for closing it himself */ |
| 209 | FREE( stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 210 | stream = args->stream; |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 211 | } |
| 212 | else |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 213 | error = FT_Err_Invalid_Argument; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 214 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 215 | if ( error ) |
| 216 | FREE( stream ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 217 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 218 | *astream = stream; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 219 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 220 | Exit: |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 221 | return error; |
| 222 | } |
| 223 | |
| 224 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 225 | /* documentation is in ftobjs.h */ |
| 226 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 227 | FT_EXPORT_DEF( void ) |
| 228 | FT_Done_Stream( FT_Stream stream ) |
David Turner | a8bcdf8 | 2000-05-02 10:51:41 +0000 | [diff] [blame] | 229 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 230 | if ( stream && stream->close ) |
Just van Rossum | e97cb91 | 2000-07-28 03:13:31 +0000 | [diff] [blame] | 231 | { |
David Turner | a8bcdf8 | 2000-05-02 10:51:41 +0000 | [diff] [blame] | 232 | stream->close( stream ); |
Just van Rossum | e97cb91 | 2000-07-28 03:13:31 +0000 | [diff] [blame] | 233 | stream->close = 0; |
| 234 | } |
David Turner | a8bcdf8 | 2000-05-02 10:51:41 +0000 | [diff] [blame] | 235 | } |
| 236 | |
| 237 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 238 | static void |
| 239 | ft_done_stream( FT_Stream* astream, |
| 240 | FT_Int external ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 241 | { |
| 242 | FT_Stream stream = *astream; |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 243 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 244 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 245 | if ( stream->close ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 246 | stream->close( stream ); |
Just van Rossum | 7eef536 | 2000-03-05 16:07:58 +0000 | [diff] [blame] | 247 | |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 248 | if ( !external ) |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 249 | { |
| 250 | FT_Memory memory = stream->memory; |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 251 | |
| 252 | |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 253 | FREE( stream ); |
| 254 | } |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 255 | *astream = 0; |
| 256 | } |
| 257 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 258 | |
Werner Lemberg | eb81e37 | 2000-06-03 06:03:11 +0000 | [diff] [blame] | 259 | #undef FT_COMPONENT |
| 260 | #define FT_COMPONENT trace_objs |
| 261 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 262 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 263 | /*************************************************************************/ |
| 264 | /*************************************************************************/ |
| 265 | /*************************************************************************/ |
| 266 | /**** ****/ |
| 267 | /**** ****/ |
| 268 | /**** G L Y P H L O A D E R ****/ |
| 269 | /**** ****/ |
| 270 | /**** ****/ |
| 271 | /*************************************************************************/ |
| 272 | /*************************************************************************/ |
| 273 | /*************************************************************************/ |
| 274 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 275 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 276 | /*************************************************************************/ |
| 277 | /* */ |
| 278 | /* The glyph loader is a simple object which is used to load a set of */ |
| 279 | /* glyphs easily. It is critical for the correct loading of composites. */ |
| 280 | /* */ |
| 281 | /* Ideally, one can see it as a stack of abstract `glyph' objects. */ |
| 282 | /* */ |
| 283 | /* loader.base Is really the bottom of the stack. It describes a */ |
| 284 | /* single glyph image made of the juxtaposition of */ |
| 285 | /* several glyphs (those `in the stack'). */ |
| 286 | /* */ |
| 287 | /* loader.current Describes the top of the stack, on which a new */ |
| 288 | /* glyph can be loaded. */ |
| 289 | /* */ |
| 290 | /* Rewind Clears the stack. */ |
| 291 | /* Prepare Set up `loader.current' for addition of a new glyph */ |
| 292 | /* image. */ |
| 293 | /* Add Add the `current' glyph image to the `base' one, */ |
| 294 | /* and prepare for another one. */ |
| 295 | /* */ |
| 296 | /* The glyph loader is now a base object. Each driver used to */ |
| 297 | /* re-implement it in one way or the other, which wasted code and */ |
| 298 | /* energy. */ |
| 299 | /* */ |
| 300 | /*************************************************************************/ |
| 301 | |
| 302 | |
| 303 | /* create a new glyph loader */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 304 | FT_BASE_DEF( FT_Error ) |
| 305 | FT_GlyphLoader_New( FT_Memory memory, |
| 306 | FT_GlyphLoader* *aloader ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 307 | { |
| 308 | FT_GlyphLoader* loader; |
| 309 | FT_Error error; |
| 310 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 311 | |
| 312 | if ( !ALLOC( loader, sizeof ( *loader ) ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 313 | { |
| 314 | loader->memory = memory; |
| 315 | *aloader = loader; |
| 316 | } |
| 317 | return error; |
| 318 | } |
| 319 | |
| 320 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 321 | /* rewind the glyph loader - reset counters to 0 */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 322 | FT_BASE_DEF( void ) |
| 323 | FT_GlyphLoader_Rewind( FT_GlyphLoader* loader ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 324 | { |
| 325 | FT_GlyphLoad* base = &loader->base; |
| 326 | FT_GlyphLoad* current = &loader->current; |
| 327 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 328 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 329 | base->outline.n_points = 0; |
| 330 | base->outline.n_contours = 0; |
| 331 | base->num_subglyphs = 0; |
| 332 | |
| 333 | *current = *base; |
| 334 | } |
| 335 | |
| 336 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 337 | /* reset the glyph loader, frees all allocated tables */ |
| 338 | /* and starts from zero */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 339 | FT_BASE_DEF( void ) |
| 340 | FT_GlyphLoader_Reset( FT_GlyphLoader* loader ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 341 | { |
| 342 | FT_Memory memory = loader->memory; |
| 343 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 344 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 345 | FREE( loader->base.outline.points ); |
| 346 | FREE( loader->base.outline.tags ); |
| 347 | FREE( loader->base.outline.contours ); |
| 348 | FREE( loader->base.extra_points ); |
| 349 | FREE( loader->base.subglyphs ); |
| 350 | |
| 351 | loader->max_points = 0; |
| 352 | loader->max_contours = 0; |
| 353 | loader->max_subglyphs = 0; |
| 354 | |
| 355 | FT_GlyphLoader_Rewind( loader ); |
| 356 | } |
| 357 | |
| 358 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 359 | /* delete a glyph loader */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 360 | FT_BASE_DEF( void ) |
| 361 | FT_GlyphLoader_Done( FT_GlyphLoader* loader ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 362 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 363 | if ( loader ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 364 | { |
| 365 | FT_Memory memory = loader->memory; |
| 366 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 367 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 368 | FT_GlyphLoader_Reset( loader ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 369 | FREE( loader ); |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 374 | /* re-adjust the `current' outline fields */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 375 | static void |
| 376 | FT_GlyphLoader_Adjust_Points( FT_GlyphLoader* loader ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 377 | { |
| 378 | FT_Outline* base = &loader->base.outline; |
| 379 | FT_Outline* current = &loader->current.outline; |
| 380 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 381 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 382 | current->points = base->points + base->n_points; |
| 383 | current->tags = base->tags + base->n_points; |
| 384 | current->contours = base->contours + base->n_contours; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 385 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 386 | /* handle extra points table - if any */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 387 | if ( loader->use_extra ) |
| 388 | loader->current.extra_points = |
| 389 | loader->base.extra_points + base->n_points; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 390 | } |
| 391 | |
| 392 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 393 | FT_BASE_DEF( FT_Error ) |
| 394 | FT_GlyphLoader_Create_Extra( FT_GlyphLoader* loader ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 395 | { |
| 396 | FT_Error error; |
| 397 | FT_Memory memory = loader->memory; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 398 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 399 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 400 | if ( !ALLOC_ARRAY( loader->base.extra_points, |
| 401 | loader->max_points, FT_Vector ) ) |
| 402 | { |
| 403 | loader->use_extra = 1; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 404 | FT_GlyphLoader_Adjust_Points( loader ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 405 | } |
| 406 | return error; |
| 407 | } |
| 408 | |
| 409 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 410 | /* re-adjust the `current' subglyphs field */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 411 | static void |
| 412 | FT_GlyphLoader_Adjust_Subglyphs( FT_GlyphLoader* loader ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 413 | { |
| 414 | FT_GlyphLoad* base = &loader->base; |
| 415 | FT_GlyphLoad* current = &loader->current; |
| 416 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 417 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 418 | current->subglyphs = base->subglyphs + base->num_subglyphs; |
| 419 | } |
| 420 | |
| 421 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 422 | /* Ensure that we can add `n_points' and `n_contours' to our glyph. this */ |
| 423 | /* function reallocates its outline tables if necessary. Note that it */ |
| 424 | /* DOESN'T change the number of points within the loader! */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 425 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 426 | FT_BASE_DEF( FT_Error ) |
| 427 | FT_GlyphLoader_Check_Points( FT_GlyphLoader* loader, |
| 428 | FT_UInt n_points, |
| 429 | FT_UInt n_contours ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 430 | { |
| 431 | FT_Memory memory = loader->memory; |
| 432 | FT_Error error = FT_Err_Ok; |
| 433 | FT_Outline* base = &loader->base.outline; |
| 434 | FT_Outline* current = &loader->current.outline; |
| 435 | FT_Bool adjust = 1; |
| 436 | |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 437 | FT_UInt new_max, old_max; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 438 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 439 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 440 | /* check points & tags */ |
| 441 | new_max = base->n_points + current->n_points + n_points; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 442 | old_max = loader->max_points; |
| 443 | |
| 444 | if ( new_max > old_max ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 445 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 446 | new_max = ( new_max + 7 ) & -8; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 447 | |
Werner Lemberg | 5579812 | 2001-05-17 06:27:17 +0000 | [diff] [blame] | 448 | if ( REALLOC_ARRAY( base->points, old_max, new_max, FT_Vector ) || |
| 449 | REALLOC_ARRAY( base->tags, old_max, new_max, FT_Byte ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 450 | goto Exit; |
| 451 | |
| 452 | if ( loader->use_extra && |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 453 | REALLOC_ARRAY( loader->base.extra_points, old_max, |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 454 | new_max, FT_Vector ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 455 | goto Exit; |
| 456 | |
| 457 | adjust = 1; |
| 458 | loader->max_points = new_max; |
| 459 | } |
| 460 | |
| 461 | /* check contours */ |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 462 | old_max = loader->max_contours; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 463 | new_max = base->n_contours + current->n_contours + |
| 464 | n_contours; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 465 | if ( new_max > old_max ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 466 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 467 | new_max = ( new_max + 3 ) & -4; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 468 | if ( REALLOC_ARRAY( base->contours, old_max, new_max, FT_Short ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 469 | goto Exit; |
| 470 | |
| 471 | adjust = 1; |
| 472 | loader->max_contours = new_max; |
| 473 | } |
| 474 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 475 | if ( adjust ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 476 | FT_GlyphLoader_Adjust_Points( loader ); |
| 477 | |
| 478 | Exit: |
| 479 | return error; |
| 480 | } |
| 481 | |
| 482 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 483 | /* Ensure that we can add `n_subglyphs' to our glyph. this function */ |
| 484 | /* reallocates its subglyphs table if necessary. Note that it DOES */ |
| 485 | /* NOT change the number of subglyphs within the loader! */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 486 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 487 | FT_BASE_DEF( FT_Error ) |
| 488 | FT_GlyphLoader_Check_Subglyphs( FT_GlyphLoader* loader, |
| 489 | FT_UInt n_subs ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 490 | { |
| 491 | FT_Memory memory = loader->memory; |
| 492 | FT_Error error = FT_Err_Ok; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 493 | FT_UInt new_max, old_max; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 494 | |
| 495 | FT_GlyphLoad* base = &loader->base; |
| 496 | FT_GlyphLoad* current = &loader->current; |
| 497 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 498 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 499 | new_max = base->num_subglyphs + current->num_subglyphs + n_subs; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 500 | old_max = loader->max_subglyphs; |
| 501 | if ( new_max > old_max ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 502 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 503 | new_max = ( new_max + 1 ) & -2; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 504 | if ( REALLOC_ARRAY( base->subglyphs, old_max, new_max, FT_SubGlyph ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 505 | goto Exit; |
| 506 | |
| 507 | loader->max_subglyphs = new_max; |
| 508 | |
| 509 | FT_GlyphLoader_Adjust_Subglyphs( loader ); |
| 510 | } |
| 511 | |
| 512 | Exit: |
| 513 | return error; |
| 514 | } |
| 515 | |
| 516 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 517 | /* prepare loader for the addition of a new glyph on top of the base one */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 518 | FT_BASE_DEF( void ) |
| 519 | FT_GlyphLoader_Prepare( FT_GlyphLoader* loader ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 520 | { |
| 521 | FT_GlyphLoad* current = &loader->current; |
| 522 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 523 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 524 | current->outline.n_points = 0; |
| 525 | current->outline.n_contours = 0; |
| 526 | current->num_subglyphs = 0; |
| 527 | |
| 528 | FT_GlyphLoader_Adjust_Points ( loader ); |
| 529 | FT_GlyphLoader_Adjust_Subglyphs( loader ); |
| 530 | } |
| 531 | |
| 532 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 533 | /* add current glyph to the base image - and prepare for another */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 534 | FT_BASE_DEF( void ) |
| 535 | FT_GlyphLoader_Add( FT_GlyphLoader* loader ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 536 | { |
| 537 | FT_GlyphLoad* base = &loader->base; |
| 538 | FT_GlyphLoad* current = &loader->current; |
| 539 | |
| 540 | FT_UInt n_curr_contours = current->outline.n_contours; |
| 541 | FT_UInt n_base_points = base->outline.n_points; |
| 542 | FT_UInt n; |
| 543 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 544 | |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 545 | base->outline.n_points = |
| 546 | (short)( base->outline.n_points + current->outline.n_points ); |
| 547 | base->outline.n_contours = |
| 548 | (short)( base->outline.n_contours + current->outline.n_contours ); |
| 549 | |
| 550 | base->num_subglyphs += current->num_subglyphs; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 551 | |
| 552 | /* adjust contours count in newest outline */ |
| 553 | for ( n = 0; n < n_curr_contours; n++ ) |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 554 | current->outline.contours[n] = |
| 555 | (short)( current->outline.contours[n] + n_base_points ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 556 | |
| 557 | /* prepare for another new glyph image */ |
| 558 | FT_GlyphLoader_Prepare( loader ); |
| 559 | } |
| 560 | |
| 561 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 562 | FT_BASE_DEF( FT_Error ) |
| 563 | FT_GlyphLoader_Copy_Points( FT_GlyphLoader* target, |
| 564 | FT_GlyphLoader* source ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 565 | { |
| 566 | FT_Error error; |
| 567 | FT_UInt num_points = source->base.outline.n_points; |
| 568 | FT_UInt num_contours = source->base.outline.n_contours; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 569 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 570 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 571 | error = FT_GlyphLoader_Check_Points( target, num_points, num_contours ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 572 | if ( !error ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 573 | { |
| 574 | FT_Outline* out = &target->base.outline; |
| 575 | FT_Outline* in = &source->base.outline; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 576 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 577 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 578 | MEM_Copy( out->points, in->points, |
| 579 | num_points * sizeof ( FT_Vector ) ); |
| 580 | MEM_Copy( out->tags, in->tags, |
| 581 | num_points * sizeof ( char ) ); |
| 582 | MEM_Copy( out->contours, in->contours, |
| 583 | num_contours * sizeof ( short ) ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 584 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 585 | /* do we need to copy the extra points? */ |
| 586 | if ( target->use_extra && source->use_extra ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 587 | MEM_Copy( target->base.extra_points, source->base.extra_points, |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 588 | num_points * sizeof ( FT_Vector ) ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 589 | |
David Turner | 8edbcab | 2001-06-19 08:28:24 +0000 | [diff] [blame] | 590 | out->n_points = (short)num_points; |
| 591 | out->n_contours = (short)num_contours; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 592 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 593 | FT_GlyphLoader_Adjust_Points( target ); |
| 594 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 595 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 596 | return error; |
| 597 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 598 | |
| 599 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 600 | /*************************************************************************/ |
| 601 | /*************************************************************************/ |
| 602 | /*************************************************************************/ |
| 603 | /**** ****/ |
| 604 | /**** ****/ |
| 605 | /**** FACE, SIZE & GLYPH SLOT OBJECTS ****/ |
| 606 | /**** ****/ |
| 607 | /**** ****/ |
| 608 | /*************************************************************************/ |
| 609 | /*************************************************************************/ |
| 610 | /*************************************************************************/ |
| 611 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 612 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 613 | static FT_Error |
| 614 | ft_glyphslot_init( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 615 | { |
| 616 | FT_Driver driver = slot->face->driver; |
| 617 | FT_Driver_Class* clazz = driver->clazz; |
| 618 | FT_Memory memory = driver->root.memory; |
| 619 | FT_Error error = FT_Err_Ok; |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 620 | FT_Slot_Internal internal; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 621 | |
Werner Lemberg | a8bbc26 | 2000-07-01 14:06:46 +0000 | [diff] [blame] | 622 | |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 623 | slot->library = driver->root.library; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 624 | |
Werner Lemberg | dc72aff | 2000-11-04 08:33:38 +0000 | [diff] [blame] | 625 | if ( ALLOC( internal, sizeof ( *internal ) ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 626 | goto Exit; |
| 627 | |
| 628 | slot->internal = internal; |
| 629 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 630 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 631 | error = FT_GlyphLoader_New( memory, &internal->loader ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 632 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 633 | if ( !error && clazz->init_slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 634 | error = clazz->init_slot( slot ); |
| 635 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 636 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 637 | return error; |
| 638 | } |
| 639 | |
| 640 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 641 | static void |
| 642 | ft_glyphslot_clear( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 643 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 644 | /* free bitmap if needed */ |
| 645 | if ( slot->flags & ft_glyph_own_bitmap ) |
| 646 | { |
| 647 | FT_Memory memory = FT_FACE_MEMORY( slot->face ); |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 648 | |
| 649 | |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 650 | FREE( slot->bitmap.buffer ); |
| 651 | slot->flags &= ~ft_glyph_own_bitmap; |
| 652 | } |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 653 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 654 | /* clear all public fields in the glyph slot */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 655 | MEM_Set( &slot->metrics, 0, sizeof ( slot->metrics ) ); |
| 656 | MEM_Set( &slot->outline, 0, sizeof ( slot->outline ) ); |
| 657 | MEM_Set( &slot->bitmap, 0, sizeof ( slot->bitmap ) ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 658 | |
| 659 | slot->bitmap_left = 0; |
| 660 | slot->bitmap_top = 0; |
| 661 | slot->num_subglyphs = 0; |
| 662 | slot->subglyphs = 0; |
| 663 | slot->control_data = 0; |
| 664 | slot->control_len = 0; |
| 665 | slot->other = 0; |
Werner Lemberg | bd5ae40 | 2000-07-05 04:32:02 +0000 | [diff] [blame] | 666 | slot->format = ft_glyph_format_none; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 667 | |
| 668 | slot->linearHoriAdvance = 0; |
| 669 | slot->linearVertAdvance = 0; |
| 670 | } |
| 671 | |
| 672 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 673 | static void |
| 674 | ft_glyphslot_done( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 675 | { |
| 676 | FT_Driver driver = slot->face->driver; |
| 677 | FT_Driver_Class* clazz = driver->clazz; |
| 678 | FT_Memory memory = driver->root.memory; |
| 679 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 680 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 681 | if ( clazz->done_slot ) |
| 682 | clazz->done_slot( slot ); |
| 683 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 684 | /* free bitmap buffer if needed */ |
| 685 | if ( slot->flags & ft_glyph_own_bitmap ) |
| 686 | FREE( slot->bitmap.buffer ); |
| 687 | |
| 688 | /* free glyph loader */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 689 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 690 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 691 | FT_GlyphLoader_Done( slot->internal->loader ); |
| 692 | slot->internal->loader = 0; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 693 | } |
| 694 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 695 | FREE( slot->internal ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 696 | } |
| 697 | |
| 698 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 699 | /* documentation is in ftobjs.h */ |
| 700 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 701 | FT_BASE_DEF( FT_Error ) |
| 702 | FT_New_GlyphSlot( FT_Face face, |
| 703 | FT_GlyphSlot *aslot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 704 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 705 | FT_Error error; |
| 706 | FT_Driver driver; |
| 707 | FT_Driver_Class* clazz; |
| 708 | FT_Memory memory; |
| 709 | FT_GlyphSlot slot; |
| 710 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 711 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 712 | if ( !face || !aslot || !face->driver ) |
| 713 | return FT_Err_Invalid_Argument; |
| 714 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 715 | *aslot = 0; |
| 716 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 717 | driver = face->driver; |
| 718 | clazz = driver->clazz; |
| 719 | memory = driver->root.memory; |
| 720 | |
| 721 | FT_TRACE4(( "FT_New_GlyphSlot: Creating new slot object\n" )); |
| 722 | if ( !ALLOC( slot, clazz->slot_object_size ) ) |
| 723 | { |
| 724 | slot->face = face; |
| 725 | |
| 726 | error = ft_glyphslot_init( slot ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 727 | if ( error ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 728 | { |
| 729 | ft_glyphslot_done( slot ); |
| 730 | FREE( slot ); |
| 731 | goto Exit; |
| 732 | } |
| 733 | |
| 734 | *aslot = slot; |
| 735 | } |
| 736 | |
| 737 | Exit: |
| 738 | FT_TRACE4(( "FT_New_GlyphSlot: Return %d\n", error )); |
| 739 | return error; |
| 740 | } |
| 741 | |
| 742 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 743 | /* documentation is in ftobjs.h */ |
| 744 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 745 | FT_BASE_DEF( void ) |
| 746 | FT_Done_GlyphSlot( FT_GlyphSlot slot ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 747 | { |
| 748 | if ( slot ) |
| 749 | { |
| 750 | FT_Driver driver = slot->face->driver; |
| 751 | FT_Memory memory = driver->root.memory; |
| 752 | FT_GlyphSlot* parent; |
| 753 | FT_GlyphSlot cur; |
| 754 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 755 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 756 | /* Remove slot from its parent face's list */ |
| 757 | parent = &slot->face->glyph; |
| 758 | cur = *parent; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 759 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 760 | while ( cur ) |
| 761 | { |
| 762 | if ( cur == slot ) |
| 763 | { |
| 764 | *parent = cur->next; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 765 | ft_glyphslot_done( slot ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 766 | FREE( slot ); |
| 767 | break; |
| 768 | } |
| 769 | cur = cur->next; |
| 770 | } |
| 771 | } |
| 772 | } |
| 773 | |
| 774 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 775 | /* documentation is in freetype.h */ |
| 776 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 777 | FT_EXPORT_DEF( void ) |
| 778 | FT_Set_Transform( FT_Face face, |
| 779 | FT_Matrix* matrix, |
| 780 | FT_Vector* delta ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 781 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 782 | FT_Face_Internal internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 783 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 784 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 785 | if ( !face ) |
| 786 | return; |
| 787 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 788 | internal = face->internal; |
| 789 | |
| 790 | internal->transform_flags = 0; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 791 | |
| 792 | if ( !matrix ) |
| 793 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 794 | internal->transform_matrix.xx = 0x10000L; |
| 795 | internal->transform_matrix.xy = 0; |
| 796 | internal->transform_matrix.yx = 0; |
| 797 | internal->transform_matrix.yy = 0x10000L; |
| 798 | matrix = &internal->transform_matrix; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 799 | } |
| 800 | else |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 801 | internal->transform_matrix = *matrix; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 802 | |
| 803 | /* set transform_flags bit flag 0 if `matrix' isn't the identity */ |
| 804 | if ( ( matrix->xy | matrix->yx ) || |
| 805 | matrix->xx != 0x10000L || |
| 806 | matrix->yy != 0x10000L ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 807 | internal->transform_flags |= 1; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 808 | |
| 809 | if ( !delta ) |
| 810 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 811 | internal->transform_delta.x = 0; |
| 812 | internal->transform_delta.y = 0; |
| 813 | delta = &internal->transform_delta; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 814 | } |
| 815 | else |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 816 | internal->transform_delta = *delta; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 817 | |
| 818 | /* set transform_flags bit flag 1 if `delta' isn't the null vector */ |
| 819 | if ( delta->x | delta->y ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 820 | internal->transform_flags |= 2; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 821 | } |
| 822 | |
| 823 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 824 | static FT_Renderer |
| 825 | ft_lookup_glyph_renderer( FT_GlyphSlot slot ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 826 | |
| 827 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 828 | /* documentation is in freetype.h */ |
| 829 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 830 | FT_EXPORT_DEF( FT_Error ) |
| 831 | FT_Load_Glyph( FT_Face face, |
| 832 | FT_UInt glyph_index, |
| 833 | FT_Int load_flags ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 834 | { |
| 835 | FT_Error error; |
| 836 | FT_Driver driver; |
| 837 | FT_GlyphSlot slot; |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 838 | FT_Library library; |
| 839 | FT_Bool autohint; |
| 840 | FT_Module hinter; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 841 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 842 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 843 | if ( !face || !face->size || !face->glyph ) |
| 844 | return FT_Err_Invalid_Face_Handle; |
| 845 | |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 846 | if ( glyph_index >= (FT_UInt)face->num_glyphs ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 847 | return FT_Err_Invalid_Argument; |
| 848 | |
| 849 | slot = face->glyph; |
| 850 | ft_glyphslot_clear( slot ); |
| 851 | |
| 852 | driver = face->driver; |
| 853 | |
| 854 | /* when the flag NO_RECURSE is set, we disable hinting and scaling */ |
| 855 | if ( load_flags & FT_LOAD_NO_RECURSE ) |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 856 | { |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 857 | /* disable scaling, hinting, and transformation */ |
| 858 | load_flags |= FT_LOAD_NO_SCALE | |
| 859 | FT_LOAD_NO_HINTING | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 860 | FT_LOAD_IGNORE_TRANSFORM; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 861 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 862 | /* disable bitmap rendering */ |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 863 | load_flags &= ~FT_LOAD_RENDER; |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 864 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 865 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 866 | /* do we need to load the glyph through the auto-hinter? */ |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 867 | library = driver->root.library; |
| 868 | hinter = library->auto_hinter; |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 869 | autohint = |
| 870 | FT_BOOL( hinter && |
David Turner | 710354b | 2000-08-16 17:04:22 +0000 | [diff] [blame] | 871 | !( load_flags & ( FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING ) ) && |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 872 | FT_DRIVER_IS_SCALABLE( driver ) && |
| 873 | FT_DRIVER_USES_OUTLINES( driver ) ); |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 874 | if ( autohint ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 875 | { |
| 876 | if ( FT_DRIVER_HAS_HINTER( driver ) && |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 877 | !( load_flags & FT_LOAD_FORCE_AUTOHINT ) ) |
| 878 | autohint = 0; |
| 879 | } |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 880 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 881 | if ( autohint ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 882 | { |
| 883 | FT_AutoHinter_Interface* hinting; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 884 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 885 | |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 886 | hinting = (FT_AutoHinter_Interface*)hinter->clazz->module_interface; |
David Turner | 76a5f62 | 2000-11-04 01:55:49 +0000 | [diff] [blame] | 887 | |
| 888 | error = hinting->load_glyph( (FT_AutoHinter)hinter, |
| 889 | slot, face->size, |
| 890 | glyph_index, load_flags ); |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 891 | } |
| 892 | else |
| 893 | error = driver->clazz->load_glyph( slot, |
| 894 | face->size, |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 895 | glyph_index, |
| 896 | load_flags ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 897 | if ( error ) |
| 898 | goto Exit; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 899 | |
| 900 | /* compute the advance */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 901 | if ( load_flags & FT_LOAD_VERTICAL_LAYOUT ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 902 | { |
| 903 | slot->advance.x = 0; |
| 904 | slot->advance.y = slot->metrics.vertAdvance; |
| 905 | } |
| 906 | else |
| 907 | { |
| 908 | slot->advance.x = slot->metrics.horiAdvance; |
| 909 | slot->advance.y = 0; |
| 910 | } |
| 911 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 912 | /* compute the linear advance in 16.16 pixels */ |
| 913 | if ( ( load_flags & FT_LOAD_LINEAR_DESIGN ) == 0 ) |
| 914 | { |
| 915 | FT_UInt EM = face->units_per_EM; |
| 916 | FT_Size_Metrics* metrics = &face->size->metrics; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 917 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 918 | slot->linearHoriAdvance = FT_MulDiv( slot->linearHoriAdvance, |
| 919 | (FT_Long)metrics->x_ppem << 16, EM ); |
| 920 | |
| 921 | slot->linearVertAdvance = FT_MulDiv( slot->linearVertAdvance, |
| 922 | (FT_Long)metrics->y_ppem << 16, EM ); |
| 923 | } |
| 924 | |
| 925 | if ( ( load_flags & FT_LOAD_IGNORE_TRANSFORM ) == 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 926 | { |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 927 | FT_Face_Internal internal = face->internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 928 | |
| 929 | |
Werner Lemberg | d1b7475 | 2000-08-24 16:29:15 +0000 | [diff] [blame] | 930 | /* now, transform the glyph image if needed */ |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 931 | if ( internal->transform_flags ) |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 932 | { |
| 933 | /* get renderer */ |
| 934 | FT_Renderer renderer = ft_lookup_glyph_renderer( slot ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 935 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 936 | |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 937 | if ( renderer ) |
Werner Lemberg | dc72aff | 2000-11-04 08:33:38 +0000 | [diff] [blame] | 938 | error = renderer->clazz->transform_glyph( |
| 939 | renderer, slot, |
| 940 | &internal->transform_matrix, |
| 941 | &internal->transform_delta ); |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 942 | /* transform advance */ |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 943 | FT_Vector_Transform( &slot->advance, &internal->transform_matrix ); |
David Turner | 35db732 | 2000-08-24 12:39:40 +0000 | [diff] [blame] | 944 | } |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 945 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 946 | |
David Turner | c9ce9e4 | 2000-09-15 17:16:49 +0000 | [diff] [blame] | 947 | /* do we need to render the image now? */ |
| 948 | if ( !error && |
| 949 | slot->format != ft_glyph_format_bitmap && |
| 950 | slot->format != ft_glyph_format_composite && |
| 951 | load_flags & FT_LOAD_RENDER ) |
| 952 | { |
| 953 | error = FT_Render_Glyph( slot, |
| 954 | ( load_flags & FT_LOAD_MONOCHROME ) |
| 955 | ? ft_render_mode_mono |
| 956 | : ft_render_mode_normal ); |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 957 | } |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 958 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 959 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 960 | return error; |
| 961 | } |
| 962 | |
| 963 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 964 | /* documentation is in freetype.h */ |
| 965 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 966 | FT_EXPORT_DEF( FT_Error ) |
| 967 | FT_Load_Char( FT_Face face, |
| 968 | FT_ULong char_code, |
| 969 | FT_Int load_flags ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 970 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 971 | FT_UInt glyph_index; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 972 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 973 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 974 | if ( !face ) |
| 975 | return FT_Err_Invalid_Face_Handle; |
| 976 | |
| 977 | glyph_index = (FT_UInt)char_code; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 978 | if ( face->charmap ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 979 | glyph_index = FT_Get_Char_Index( face, char_code ); |
| 980 | |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 981 | return FT_Load_Glyph( face, glyph_index, load_flags ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 982 | } |
| 983 | |
| 984 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 985 | /* destructor for sizes list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 986 | static void |
| 987 | destroy_size( FT_Memory memory, |
| 988 | FT_Size size, |
| 989 | FT_Driver driver ) |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 990 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 991 | /* finalize client-specific data */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 992 | if ( size->generic.finalizer ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 993 | size->generic.finalizer( size ); |
| 994 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 995 | /* finalize format-specific stuff */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 996 | if ( driver->clazz->done_size ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 997 | driver->clazz->done_size( size ); |
| 998 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 999 | FREE( size->internal ); |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1000 | FREE( size ); |
| 1001 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1002 | |
| 1003 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1004 | /* destructor for faces list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1005 | static void |
| 1006 | destroy_face( FT_Memory memory, |
| 1007 | FT_Face face, |
| 1008 | FT_Driver driver ) |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1009 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1010 | FT_Driver_Class* clazz = driver->clazz; |
| 1011 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1012 | |
David Turner | c49f69c | 2000-07-20 03:44:50 +0000 | [diff] [blame] | 1013 | /* discard auto-hinting data */ |
| 1014 | if ( face->autohint.finalizer ) |
| 1015 | face->autohint.finalizer( face->autohint.data ); |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 1016 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 1017 | /* Discard glyph slots for this face */ |
| 1018 | /* Beware! FT_Done_GlyphSlot() changes the field `face->glyph' */ |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1019 | while ( face->glyph ) |
| 1020 | FT_Done_GlyphSlot( face->glyph ); |
| 1021 | |
| 1022 | /* Discard all sizes for this face */ |
| 1023 | FT_List_Finalize( &face->sizes_list, |
| 1024 | (FT_List_Destructor)destroy_size, |
| 1025 | memory, |
| 1026 | driver ); |
| 1027 | face->size = 0; |
| 1028 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1029 | /* Now discard client data */ |
| 1030 | if ( face->generic.finalizer ) |
| 1031 | face->generic.finalizer( face ); |
| 1032 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1033 | /* finalize format-specific stuff */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1034 | if ( clazz->done_face ) |
| 1035 | clazz->done_face( face ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1036 | |
| 1037 | /* close the stream for this face if needed */ |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 1038 | ft_done_stream( |
| 1039 | &face->stream, |
| 1040 | ( face->face_flags & FT_FACE_FLAG_EXTERNAL_STREAM ) != 0 ); |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1041 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1042 | /* get rid of it */ |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 1043 | if ( face->internal ) |
| 1044 | { |
| 1045 | FREE( face->internal->postscript_name ); |
| 1046 | FREE( face->internal ); |
| 1047 | } |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1048 | FREE( face ); |
| 1049 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1050 | |
| 1051 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1052 | static void |
| 1053 | Destroy_Driver( FT_Driver driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1054 | { |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1055 | FT_List_Finalize( &driver->faces_list, |
| 1056 | (FT_List_Destructor)destroy_face, |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1057 | driver->root.memory, |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1058 | driver ); |
| 1059 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1060 | /* check whether we need to drop the driver's glyph loader */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1061 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1062 | FT_GlyphLoader_Done( driver->glyph_loader ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1063 | } |
| 1064 | |
| 1065 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1066 | /*************************************************************************/ |
| 1067 | /* */ |
| 1068 | /* <Function> */ |
| 1069 | /* open_face */ |
| 1070 | /* */ |
| 1071 | /* <Description> */ |
| 1072 | /* This function does some work for FT_Open_Face(). */ |
| 1073 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1074 | static FT_Error |
| 1075 | open_face( FT_Driver driver, |
| 1076 | FT_Stream stream, |
| 1077 | FT_Long face_index, |
| 1078 | FT_Int num_params, |
| 1079 | FT_Parameter* params, |
| 1080 | FT_Face* aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1081 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1082 | FT_Memory memory; |
| 1083 | FT_Driver_Class* clazz; |
| 1084 | FT_Face face = 0; |
| 1085 | FT_Error error; |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1086 | FT_Face_Internal internal; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1087 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1088 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1089 | clazz = driver->clazz; |
| 1090 | memory = driver->root.memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1091 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1092 | /* allocate the face object and perform basic initialization */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1093 | if ( ALLOC( face, clazz->face_object_size ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1094 | goto Fail; |
| 1095 | |
Werner Lemberg | dc72aff | 2000-11-04 08:33:38 +0000 | [diff] [blame] | 1096 | if ( ALLOC( internal, sizeof ( *internal ) ) ) |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1097 | goto Fail; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1098 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1099 | face->internal = internal; |
| 1100 | |
| 1101 | face->driver = driver; |
| 1102 | face->memory = memory; |
| 1103 | face->stream = stream; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1104 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1105 | error = clazz->init_face( stream, |
| 1106 | face, |
| 1107 | face_index, |
| 1108 | num_params, |
| 1109 | params ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1110 | if ( error ) |
| 1111 | goto Fail; |
| 1112 | |
| 1113 | *aface = face; |
| 1114 | |
| 1115 | Fail: |
| 1116 | if ( error ) |
| 1117 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1118 | clazz->done_face( face ); |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1119 | FREE( face->internal ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1120 | FREE( face ); |
| 1121 | *aface = 0; |
| 1122 | } |
| 1123 | |
| 1124 | return error; |
| 1125 | } |
| 1126 | |
| 1127 | |
Werner Lemberg | 05c21b8 | 2000-07-29 20:38:19 +0000 | [diff] [blame] | 1128 | /* there's a Mac-specific extended implementation of FT_New_Face() */ |
| 1129 | /* in src/mac/ftmac.c */ |
| 1130 | |
Just van Rossum | 9e830c5 | 2000-07-28 01:12:34 +0000 | [diff] [blame] | 1131 | #ifndef macintosh |
| 1132 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1133 | /* documentation is in freetype.h */ |
| 1134 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1135 | FT_EXPORT_DEF( FT_Error ) |
| 1136 | FT_New_Face( FT_Library library, |
| 1137 | const char* pathname, |
| 1138 | FT_Long face_index, |
| 1139 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1140 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1141 | FT_Open_Args args; |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1142 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1143 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1144 | /* test for valid `library' and `aface' delayed to FT_Open_Face() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1145 | if ( !pathname ) |
| 1146 | return FT_Err_Invalid_Argument; |
| 1147 | |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1148 | args.flags = ft_open_pathname; |
| 1149 | args.pathname = (char*)pathname; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1150 | |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1151 | return FT_Open_Face( library, &args, face_index, aface ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1152 | } |
| 1153 | |
Just van Rossum | 9e830c5 | 2000-07-28 01:12:34 +0000 | [diff] [blame] | 1154 | #endif /* !macintosh */ |
| 1155 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 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_New_Memory_Face( FT_Library library, |
| 1161 | const FT_Byte* file_base, |
| 1162 | FT_Long file_size, |
| 1163 | FT_Long face_index, |
| 1164 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1165 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1166 | FT_Open_Args args; |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1167 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1168 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1169 | /* test for valid `library' and `face' delayed to FT_Open_Face() */ |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1170 | if ( !file_base ) |
| 1171 | return FT_Err_Invalid_Argument; |
| 1172 | |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1173 | args.flags = ft_open_memory; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1174 | args.memory_base = file_base; |
| 1175 | args.memory_size = file_size; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1176 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1177 | return FT_Open_Face( library, &args, face_index, aface ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1178 | } |
| 1179 | |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1180 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1181 | /* documentation is in freetype.h */ |
| 1182 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1183 | FT_EXPORT_DEF( FT_Error ) |
| 1184 | FT_Open_Face( FT_Library library, |
| 1185 | FT_Open_Args* args, |
| 1186 | FT_Long face_index, |
| 1187 | FT_Face *aface ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1188 | { |
| 1189 | FT_Error error; |
| 1190 | FT_Driver driver; |
| 1191 | FT_Memory memory; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1192 | FT_Stream stream; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1193 | FT_Face face = 0; |
| 1194 | FT_ListNode node = 0; |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1195 | FT_Bool external_stream; |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1196 | |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 1197 | |
Werner Lemberg | f9b0375 | 2000-09-11 22:50:13 +0000 | [diff] [blame] | 1198 | /* test for valid `library' delayed to */ |
| 1199 | /* ft_new_input_stream() */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1200 | |
Werner Lemberg | f9b0375 | 2000-09-11 22:50:13 +0000 | [diff] [blame] | 1201 | if ( !aface || !args ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1202 | return FT_Err_Invalid_Argument; |
| 1203 | |
| 1204 | *aface = 0; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1205 | |
Werner Lemberg | 8eb0353 | 2001-06-19 23:03:41 +0000 | [diff] [blame] | 1206 | external_stream = FT_BOOL( ( args->flags & ft_open_stream ) && |
| 1207 | args->stream ); |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1208 | |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1209 | /* create input stream */ |
| 1210 | error = ft_new_input_stream( library, args, &stream ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1211 | if ( error ) |
| 1212 | goto Exit; |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1213 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1214 | memory = library->memory; |
| 1215 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1216 | /* If the font driver is specified in the `args' structure, use */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1217 | /* it. Otherwise, we scan the list of registered drivers. */ |
Werner Lemberg | f9b0375 | 2000-09-11 22:50:13 +0000 | [diff] [blame] | 1218 | if ( ( args->flags & ft_open_driver ) && args->driver ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1219 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1220 | driver = FT_DRIVER( args->driver ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1221 | |
| 1222 | /* not all modules are drivers, so check... */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1223 | if ( FT_MODULE_IS_DRIVER( driver ) ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1224 | { |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1225 | FT_Int num_params = 0; |
| 1226 | FT_Parameter* params = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1227 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1228 | |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1229 | if ( args->flags & ft_open_params ) |
| 1230 | { |
| 1231 | num_params = args->num_params; |
| 1232 | params = args->params; |
| 1233 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1234 | |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1235 | error = open_face( driver, stream, face_index, |
| 1236 | num_params, params, &face ); |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1237 | if ( !error ) |
| 1238 | goto Success; |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1239 | } |
| 1240 | else |
| 1241 | error = FT_Err_Invalid_Handle; |
| 1242 | |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1243 | ft_done_stream( &stream, external_stream ); |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1244 | goto Fail; |
| 1245 | } |
Just van Rossum | 1e5754f | 2000-03-02 10:52:57 +0000 | [diff] [blame] | 1246 | else |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1247 | { |
| 1248 | /* check each font driver for an appropriate format */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1249 | FT_Module* cur = library->modules; |
| 1250 | FT_Module* limit = cur + library->num_modules; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1251 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1252 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1253 | for ( ; cur < limit; cur++ ) |
| 1254 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1255 | /* not all modules are font drivers, so check... */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1256 | if ( FT_MODULE_IS_DRIVER( cur[0] ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1257 | { |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1258 | FT_Int num_params = 0; |
| 1259 | FT_Parameter* params = 0; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1260 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1261 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1262 | driver = FT_DRIVER( cur[0] ); |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1263 | |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1264 | if ( args->flags & ft_open_params ) |
| 1265 | { |
| 1266 | num_params = args->num_params; |
| 1267 | params = args->params; |
| 1268 | } |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1269 | |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1270 | error = open_face( driver, stream, face_index, |
| 1271 | num_params, params, &face ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1272 | if ( !error ) |
| 1273 | goto Success; |
| 1274 | |
Werner Lemberg | 7986070 | 2001-06-08 21:17:29 +0000 | [diff] [blame] | 1275 | if ( FT_ERROR_BASE( error ) != FT_Err_Unknown_File_Format ) |
David Turner | ebe85f5 | 2001-05-11 14:25:57 +0000 | [diff] [blame] | 1276 | goto Fail2; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1277 | } |
| 1278 | } |
| 1279 | |
| 1280 | /* no driver is able to handle this format */ |
| 1281 | error = FT_Err_Unknown_File_Format; |
David Turner | ebe85f5 | 2001-05-11 14:25:57 +0000 | [diff] [blame] | 1282 | |
| 1283 | Fail2: |
| 1284 | ft_done_stream( &stream, external_stream ); |
David Turner | cda32b7 | 2000-02-10 16:14:35 +0000 | [diff] [blame] | 1285 | goto Fail; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1286 | } |
| 1287 | |
| 1288 | Success: |
Werner Lemberg | f9b0375 | 2000-09-11 22:50:13 +0000 | [diff] [blame] | 1289 | FT_TRACE4(( "FT_Open_Face: New face object, adding to list\n" )); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1290 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1291 | /* set the FT_FACE_FLAG_EXTERNAL_STREAM bit for FT_Done_Face */ |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1292 | if ( external_stream ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1293 | face->face_flags |= FT_FACE_FLAG_EXTERNAL_STREAM; |
| 1294 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1295 | /* add the face object to its driver's list */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1296 | if ( ALLOC( node, sizeof ( *node ) ) ) |
| 1297 | goto Fail; |
| 1298 | |
| 1299 | node->data = face; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1300 | /* don't assume driver is the same as face->driver, so use */ |
| 1301 | /* face->driver instead. */ |
Just van Rossum | 7eef536 | 2000-03-05 16:07:58 +0000 | [diff] [blame] | 1302 | FT_List_Add( &face->driver->faces_list, node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1303 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1304 | /* now allocate a glyph slot object for the face */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1305 | { |
| 1306 | FT_GlyphSlot slot; |
| 1307 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1308 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1309 | FT_TRACE4(( "FT_Open_Face: Creating glyph slot\n" )); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1310 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1311 | error = FT_New_GlyphSlot( face, &slot ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1312 | if ( error ) |
| 1313 | goto Fail; |
| 1314 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1315 | face->glyph = slot; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1316 | } |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1317 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1318 | /* finally, allocate a size object for the face */ |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1319 | { |
| 1320 | FT_Size size; |
| 1321 | |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1322 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1323 | FT_TRACE4(( "FT_Open_Face: Creating size object\n" )); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1324 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1325 | error = FT_New_Size( face, &size ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1326 | if ( error ) |
| 1327 | goto Fail; |
| 1328 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1329 | face->size = size; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1330 | } |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1331 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1332 | /* initialize internal face data */ |
| 1333 | { |
| 1334 | FT_Face_Internal internal = face->internal; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1335 | |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1336 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1337 | internal->transform_matrix.xx = 0x10000L; |
| 1338 | internal->transform_matrix.xy = 0; |
| 1339 | internal->transform_matrix.yx = 0; |
| 1340 | internal->transform_matrix.yy = 0x10000L; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1341 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1342 | internal->transform_delta.x = 0; |
| 1343 | internal->transform_delta.y = 0; |
| 1344 | } |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1345 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1346 | *aface = face; |
| 1347 | goto Exit; |
| 1348 | |
| 1349 | Fail: |
| 1350 | FT_Done_Face( face ); |
| 1351 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1352 | Exit: |
| 1353 | FT_TRACE4(( "FT_Open_Face: Return %d\n", error )); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1354 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1355 | return error; |
| 1356 | } |
| 1357 | |
| 1358 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1359 | /* documentation is in freetype.h */ |
| 1360 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1361 | FT_EXPORT_DEF( FT_Error ) |
| 1362 | FT_Attach_File( FT_Face face, |
| 1363 | const char* filepathname ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1364 | { |
David Turner | 37379e2 | 2000-03-28 11:22:31 +0000 | [diff] [blame] | 1365 | FT_Open_Args open; |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1366 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1367 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1368 | /* test for valid `face' delayed to FT_Attach_Stream() */ |
| 1369 | |
| 1370 | if ( !filepathname ) |
| 1371 | return FT_Err_Invalid_Argument; |
| 1372 | |
David Turner | 4f2c554 | 2000-05-12 10:19:41 +0000 | [diff] [blame] | 1373 | open.flags = ft_open_pathname; |
| 1374 | open.pathname = (char*)filepathname; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1375 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1376 | return FT_Attach_Stream( face, &open ); |
| 1377 | } |
Werner Lemberg | 547a252 | 2000-02-16 08:23:58 +0000 | [diff] [blame] | 1378 | |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1379 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1380 | /* documentation is in freetype.h */ |
| 1381 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1382 | FT_EXPORT_DEF( FT_Error ) |
| 1383 | FT_Attach_Stream( FT_Face face, |
| 1384 | FT_Open_Args* parameters ) |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1385 | { |
| 1386 | FT_Stream stream; |
| 1387 | FT_Error error; |
| 1388 | FT_Driver driver; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1389 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1390 | FT_Driver_Class* clazz; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1391 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1392 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1393 | /* test for valid `parameters' delayed to ft_new_input_stream() */ |
| 1394 | |
| 1395 | if ( !face ) |
| 1396 | return FT_Err_Invalid_Face_Handle; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1397 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1398 | driver = face->driver; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1399 | if ( !driver ) |
| 1400 | return FT_Err_Invalid_Driver_Handle; |
| 1401 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1402 | error = ft_new_input_stream( driver->root.library, parameters, &stream ); |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1403 | if ( error ) |
| 1404 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1405 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1406 | /* we implement FT_Attach_Stream in each driver through the */ |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1407 | /* `attach_file' interface */ |
| 1408 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1409 | error = FT_Err_Unimplemented_Feature; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1410 | clazz = driver->clazz; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1411 | if ( clazz->attach_file ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1412 | error = clazz->attach_file( face, stream ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1413 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1414 | /* close the attached stream */ |
David Turner | c5cdf8b | 2000-07-27 21:40:22 +0000 | [diff] [blame] | 1415 | ft_done_stream( &stream, |
Werner Lemberg | 58b17f9 | 2000-07-27 23:29:08 +0000 | [diff] [blame] | 1416 | (FT_Bool)( parameters->stream && |
| 1417 | ( parameters->flags & ft_open_stream ) ) ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1418 | |
David Turner | 7663f22 | 2000-02-13 13:37:38 +0000 | [diff] [blame] | 1419 | Exit: |
| 1420 | return error; |
| 1421 | } |
| 1422 | |
| 1423 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1424 | /* documentation is in freetype.h */ |
| 1425 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1426 | FT_EXPORT_DEF( FT_Error ) |
| 1427 | FT_Done_Face( FT_Face face ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1428 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1429 | FT_Error error; |
| 1430 | FT_Driver driver; |
| 1431 | FT_Memory memory; |
| 1432 | FT_ListNode node; |
| 1433 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1434 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1435 | error = FT_Err_Invalid_Face_Handle; |
| 1436 | if ( face && face->driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1437 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1438 | driver = face->driver; |
| 1439 | memory = driver->root.memory; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1440 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1441 | /* find face in driver's list */ |
| 1442 | node = FT_List_Find( &driver->faces_list, face ); |
| 1443 | if ( node ) |
| 1444 | { |
| 1445 | /* remove face object from the driver's list */ |
| 1446 | FT_List_Remove( &driver->faces_list, node ); |
| 1447 | FREE( node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1448 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1449 | /* now destroy the object proper */ |
| 1450 | destroy_face( memory, face, driver ); |
| 1451 | error = FT_Err_Ok; |
| 1452 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1453 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1454 | return error; |
| 1455 | } |
| 1456 | |
| 1457 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1458 | /* documentation is in ftobjs.h */ |
| 1459 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1460 | FT_EXPORT_DEF( FT_Error ) |
| 1461 | FT_New_Size( FT_Face face, |
| 1462 | FT_Size *asize ) |
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; |
| 1465 | FT_Memory memory; |
| 1466 | FT_Driver driver; |
| 1467 | FT_Driver_Class* clazz; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1468 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1469 | FT_Size size = 0; |
| 1470 | FT_ListNode node = 0; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1471 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1472 | |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 1473 | if ( !face ) |
| 1474 | return FT_Err_Invalid_Face_Handle; |
| 1475 | |
| 1476 | if ( !asize ) |
| 1477 | return FT_Err_Invalid_Size_Handle; |
| 1478 | |
| 1479 | if ( !face->driver ) |
| 1480 | return FT_Err_Invalid_Driver_Handle; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1481 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1482 | *asize = 0; |
| 1483 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1484 | driver = face->driver; |
| 1485 | clazz = driver->clazz; |
| 1486 | memory = face->memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1487 | |
| 1488 | /* Allocate new size object and perform basic initialisation */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1489 | if ( ALLOC( size, clazz->size_object_size ) || |
| 1490 | ALLOC( node, sizeof ( FT_ListNodeRec ) ) ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1491 | goto Exit; |
| 1492 | |
| 1493 | size->face = face; |
David Turner | 61d6b2b | 2001-05-16 17:49:07 +0000 | [diff] [blame] | 1494 | |
David Turner | 54e7574 | 2000-11-04 02:52:02 +0000 | [diff] [blame] | 1495 | /* for now, do not use any internal fields in size objects */ |
| 1496 | size->internal = 0; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1497 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1498 | if ( clazz->init_size ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1499 | error = clazz->init_size( size ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1500 | |
| 1501 | /* in case of success, add to the face's list */ |
| 1502 | if ( !error ) |
| 1503 | { |
| 1504 | *asize = size; |
| 1505 | node->data = size; |
| 1506 | FT_List_Add( &face->sizes_list, node ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1507 | } |
| 1508 | |
| 1509 | Exit: |
| 1510 | if ( error ) |
| 1511 | { |
| 1512 | FREE( node ); |
| 1513 | FREE( size ); |
| 1514 | } |
| 1515 | |
| 1516 | return error; |
| 1517 | } |
| 1518 | |
| 1519 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1520 | /* documentation is in ftobjs.h */ |
| 1521 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1522 | FT_EXPORT_DEF( FT_Error ) |
| 1523 | FT_Done_Size( FT_Size size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1524 | { |
| 1525 | FT_Error error; |
| 1526 | FT_Driver driver; |
| 1527 | FT_Memory memory; |
| 1528 | FT_Face face; |
| 1529 | FT_ListNode node; |
| 1530 | |
| 1531 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1532 | if ( !size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1533 | return FT_Err_Invalid_Size_Handle; |
| 1534 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1535 | face = size->face; |
| 1536 | if ( !face ) |
| 1537 | return FT_Err_Invalid_Face_Handle; |
| 1538 | |
| 1539 | driver = face->driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1540 | if ( !driver ) |
| 1541 | return FT_Err_Invalid_Driver_Handle; |
| 1542 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1543 | memory = driver->root.memory; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1544 | |
| 1545 | error = FT_Err_Ok; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1546 | node = FT_List_Find( &face->sizes_list, size ); |
| 1547 | if ( node ) |
| 1548 | { |
| 1549 | FT_List_Remove( &face->sizes_list, node ); |
| 1550 | FREE( node ); |
| 1551 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1552 | if ( face->size == size ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1553 | { |
| 1554 | face->size = 0; |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1555 | if ( face->sizes_list.head ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1556 | face->size = (FT_Size)(face->sizes_list.head->data); |
| 1557 | } |
| 1558 | |
| 1559 | destroy_size( memory, size, driver ); |
| 1560 | } |
| 1561 | else |
| 1562 | error = FT_Err_Invalid_Size_Handle; |
| 1563 | |
Werner Lemberg | cf24d51 | 2001-06-18 14:23:45 +0000 | [diff] [blame] | 1564 | return error; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1565 | } |
| 1566 | |
| 1567 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1568 | static void |
| 1569 | ft_recompute_scaled_metrics( FT_Face face, |
| 1570 | FT_Size_Metrics* metrics ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1571 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1572 | /* Compute root ascender, descender, test height, and max_advance */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1573 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1574 | metrics->ascender = ( FT_MulFix( face->ascender, |
| 1575 | metrics->y_scale ) + 32 ) & -64; |
| 1576 | |
| 1577 | metrics->descender = ( FT_MulFix( face->descender, |
| 1578 | metrics->y_scale ) + 32 ) & -64; |
| 1579 | |
| 1580 | metrics->height = ( FT_MulFix( face->height, |
| 1581 | metrics->y_scale ) + 32 ) & -64; |
| 1582 | |
| 1583 | metrics->max_advance = ( FT_MulFix( face->max_advance_width, |
| 1584 | metrics->x_scale ) + 32 ) & -64; |
| 1585 | } |
| 1586 | |
| 1587 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1588 | /* documentation is in freetype.h */ |
| 1589 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1590 | FT_EXPORT_DEF( FT_Error ) |
| 1591 | FT_Set_Char_Size( FT_Face face, |
| 1592 | FT_F26Dot6 char_width, |
| 1593 | FT_F26Dot6 char_height, |
| 1594 | FT_UInt horz_resolution, |
| 1595 | FT_UInt vert_resolution ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1596 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1597 | FT_Error error = FT_Err_Ok; |
| 1598 | FT_Driver driver; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1599 | FT_Driver_Class* clazz; |
| 1600 | FT_Size_Metrics* metrics; |
| 1601 | FT_Long dim_x, dim_y; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1602 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1603 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1604 | if ( !face || !face->size || !face->driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1605 | return FT_Err_Invalid_Face_Handle; |
| 1606 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1607 | driver = face->driver; |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1608 | metrics = &face->size->metrics; |
| 1609 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1610 | if ( !char_width ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1611 | char_width = char_height; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1612 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1613 | else if ( !char_height ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1614 | char_height = char_width; |
Werner Lemberg | 7880dd6 | 2000-01-10 17:19:45 +0000 | [diff] [blame] | 1615 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1616 | if ( !horz_resolution ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1617 | horz_resolution = 72; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1618 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1619 | if ( !vert_resolution ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1620 | vert_resolution = 72; |
| 1621 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1622 | driver = face->driver; |
| 1623 | clazz = driver->clazz; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1624 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1625 | /* default processing -- this can be overridden by the driver */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1626 | if ( char_width < 1 * 64 ) |
| 1627 | char_width = 1 * 64; |
| 1628 | if ( char_height < 1 * 64 ) |
| 1629 | char_height = 1 * 64; |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1630 | |
| 1631 | /* Compute pixel sizes in 26.6 units */ |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1632 | dim_x = ( ( ( char_width * horz_resolution ) / 72 ) + 32 ) & -64; |
| 1633 | dim_y = ( ( ( char_height * vert_resolution ) / 72 ) + 32 ) & -64; |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1634 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1635 | metrics->x_ppem = (FT_UShort)( dim_x >> 6 ); |
| 1636 | metrics->y_ppem = (FT_UShort)( dim_y >> 6 ); |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1637 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1638 | metrics->x_scale = 0x10000L; |
| 1639 | metrics->y_scale = 0x10000L; |
| 1640 | |
| 1641 | if ( face->face_flags & FT_FACE_FLAG_SCALABLE ) |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1642 | { |
| 1643 | metrics->x_scale = FT_DivFix( dim_x, face->units_per_EM ); |
| 1644 | metrics->y_scale = FT_DivFix( dim_y, face->units_per_EM ); |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1645 | |
David Turner | 9b3d1c7 | 2000-07-07 19:47:34 +0000 | [diff] [blame] | 1646 | ft_recompute_scaled_metrics( face, metrics ); |
| 1647 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1648 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1649 | if ( clazz->set_char_sizes ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1650 | error = clazz->set_char_sizes( face->size, |
| 1651 | char_width, |
| 1652 | char_height, |
| 1653 | horz_resolution, |
| 1654 | vert_resolution ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1655 | return error; |
| 1656 | } |
| 1657 | |
| 1658 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1659 | /* documentation is in freetype.h */ |
| 1660 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1661 | FT_EXPORT_DEF( FT_Error ) |
| 1662 | FT_Set_Pixel_Sizes( FT_Face face, |
| 1663 | FT_UInt pixel_width, |
| 1664 | FT_UInt pixel_height ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1665 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1666 | FT_Error error = FT_Err_Ok; |
| 1667 | FT_Driver driver; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1668 | FT_Driver_Class* clazz; |
| 1669 | FT_Size_Metrics* metrics = &face->size->metrics; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1670 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1671 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1672 | if ( !face || !face->size || !face->driver ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1673 | return FT_Err_Invalid_Face_Handle; |
| 1674 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1675 | driver = face->driver; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1676 | clazz = driver->clazz; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1677 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1678 | /* default processing -- this can be overridden by the driver */ |
| 1679 | if ( pixel_width == 0 ) |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 1680 | pixel_width = pixel_height; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1681 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1682 | else if ( pixel_height == 0 ) |
David Turner | 1118720 | 2000-05-26 17:13:23 +0000 | [diff] [blame] | 1683 | pixel_height = pixel_width; |
Werner Lemberg | eb81e37 | 2000-06-03 06:03:11 +0000 | [diff] [blame] | 1684 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1685 | if ( pixel_width < 1 ) |
| 1686 | pixel_width = 1; |
| 1687 | if ( pixel_height < 1 ) |
| 1688 | pixel_height = 1; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1689 | |
David Turner | 8edbcab | 2001-06-19 08:28:24 +0000 | [diff] [blame] | 1690 | metrics->x_ppem = (FT_UShort)pixel_width; |
| 1691 | metrics->y_ppem = (FT_UShort)pixel_height; |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1692 | |
| 1693 | if ( face->face_flags & FT_FACE_FLAG_SCALABLE ) |
| 1694 | { |
| 1695 | metrics->x_scale = FT_DivFix( metrics->x_ppem << 6, |
| 1696 | face->units_per_EM ); |
| 1697 | |
| 1698 | metrics->y_scale = FT_DivFix( metrics->y_ppem << 6, |
| 1699 | face->units_per_EM ); |
Werner Lemberg | 7fa51b5 | 2000-07-08 19:51:42 +0000 | [diff] [blame] | 1700 | |
David Turner | 9b3d1c7 | 2000-07-07 19:47:34 +0000 | [diff] [blame] | 1701 | ft_recompute_scaled_metrics( face, metrics ); |
David Turner | d42c68e | 2000-01-27 13:56:02 +0000 | [diff] [blame] | 1702 | } |
| 1703 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1704 | if ( clazz->set_pixel_sizes ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1705 | error = clazz->set_pixel_sizes( face->size, |
| 1706 | pixel_width, |
| 1707 | pixel_height ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1708 | return error; |
| 1709 | } |
| 1710 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1711 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1712 | /* documentation is in freetype.h */ |
| 1713 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1714 | FT_EXPORT_DEF( FT_Error ) |
| 1715 | FT_Get_Kerning( FT_Face face, |
| 1716 | FT_UInt left_glyph, |
| 1717 | FT_UInt right_glyph, |
| 1718 | FT_UInt kern_mode, |
| 1719 | FT_Vector *akerning ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1720 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1721 | FT_Error error = FT_Err_Ok; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1722 | FT_Driver driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1723 | |
Werner Lemberg | a8bbc26 | 2000-07-01 14:06:46 +0000 | [diff] [blame] | 1724 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1725 | if ( !face ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1726 | return FT_Err_Invalid_Face_Handle; |
| 1727 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1728 | if ( !akerning ) |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1729 | return FT_Err_Invalid_Argument; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1730 | |
| 1731 | driver = face->driver; |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1732 | |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1733 | akerning->x = 0; |
| 1734 | akerning->y = 0; |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 1735 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1736 | if ( driver->clazz->get_kerning ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1737 | { |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1738 | error = driver->clazz->get_kerning( face, |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1739 | left_glyph, |
| 1740 | right_glyph, |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1741 | akerning ); |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 1742 | if ( !error ) |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 1743 | { |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 1744 | if ( kern_mode != ft_kerning_unscaled ) |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 1745 | { |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1746 | akerning->x = FT_MulFix( akerning->x, face->size->metrics.x_scale ); |
| 1747 | akerning->y = FT_MulFix( akerning->y, face->size->metrics.y_scale ); |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 1748 | |
| 1749 | if ( kern_mode != ft_kerning_unfitted ) |
| 1750 | { |
Werner Lemberg | 4b68007 | 2000-11-07 06:30:29 +0000 | [diff] [blame] | 1751 | akerning->x = ( akerning->x + 32 ) & -64; |
| 1752 | akerning->y = ( akerning->y + 32 ) & -64; |
Werner Lemberg | 5aa646c | 2000-07-14 06:16:47 +0000 | [diff] [blame] | 1753 | } |
David Turner | f9ca2bb | 2000-06-30 23:12:55 +0000 | [diff] [blame] | 1754 | } |
| 1755 | } |
| 1756 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1757 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1758 | return error; |
| 1759 | } |
| 1760 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1761 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1762 | /* documentation is in freetype.h */ |
| 1763 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1764 | FT_EXPORT_DEF( FT_Error ) |
| 1765 | FT_Select_Charmap( FT_Face face, |
| 1766 | FT_Encoding encoding ) |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 1767 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1768 | FT_CharMap* cur; |
| 1769 | FT_CharMap* limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1770 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1771 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1772 | if ( !face ) |
| 1773 | return FT_Err_Invalid_Face_Handle; |
| 1774 | |
| 1775 | cur = face->charmaps; |
| 1776 | if ( !cur ) |
| 1777 | return FT_Err_Invalid_CharMap_Handle; |
| 1778 | |
| 1779 | limit = cur + face->num_charmaps; |
| 1780 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 1781 | for ( ; cur < limit; cur++ ) |
| 1782 | { |
| 1783 | if ( cur[0]->encoding == encoding ) |
| 1784 | { |
| 1785 | face->charmap = cur[0]; |
| 1786 | return 0; |
| 1787 | } |
| 1788 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 1789 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 1790 | return FT_Err_Invalid_Argument; |
| 1791 | } |
| 1792 | |
| 1793 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1794 | /* documentation is in freetype.h */ |
| 1795 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1796 | FT_EXPORT_DEF( FT_Error ) |
| 1797 | FT_Set_Charmap( FT_Face face, |
| 1798 | FT_CharMap charmap ) |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 1799 | { |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1800 | FT_CharMap* cur; |
| 1801 | FT_CharMap* limit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1802 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1803 | |
Werner Lemberg | 2fbf7e4 | 2000-06-02 00:01:14 +0000 | [diff] [blame] | 1804 | if ( !face ) |
| 1805 | return FT_Err_Invalid_Face_Handle; |
| 1806 | |
| 1807 | cur = face->charmaps; |
| 1808 | if ( !cur ) |
| 1809 | return FT_Err_Invalid_CharMap_Handle; |
| 1810 | |
| 1811 | limit = cur + face->num_charmaps; |
| 1812 | |
David Turner | 0a29c69 | 2000-05-12 17:09:38 +0000 | [diff] [blame] | 1813 | for ( ; cur < limit; cur++ ) |
| 1814 | { |
| 1815 | if ( cur[0] == charmap ) |
| 1816 | { |
| 1817 | face->charmap = cur[0]; |
| 1818 | return 0; |
| 1819 | } |
| 1820 | } |
| 1821 | return FT_Err_Invalid_Argument; |
| 1822 | } |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1823 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1824 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1825 | /* documentation is in freetype.h */ |
| 1826 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1827 | FT_EXPORT_DEF( FT_UInt ) |
| 1828 | FT_Get_Char_Index( FT_Face face, |
| 1829 | FT_ULong charcode ) |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1830 | { |
| 1831 | FT_UInt result; |
| 1832 | FT_Driver driver; |
| 1833 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1834 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1835 | result = 0; |
| 1836 | if ( face && face->charmap ) |
| 1837 | { |
| 1838 | driver = face->driver; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1839 | result = driver->clazz->get_char_index( face->charmap, charcode ); |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1840 | } |
| 1841 | return result; |
| 1842 | } |
| 1843 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1844 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1845 | /* documentation is in freetype.h */ |
| 1846 | |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 1847 | FT_EXPORT_DEF( FT_UInt ) |
| 1848 | FT_Get_Name_Index( FT_Face face, |
| 1849 | FT_String* glyph_name ) |
| 1850 | { |
| 1851 | FT_UInt result = 0; |
| 1852 | |
| 1853 | |
| 1854 | if ( face && FT_HAS_GLYPH_NAMES( face ) ) |
| 1855 | { |
| 1856 | /* now, lookup for glyph name */ |
Werner Lemberg | 5dea444 | 2001-08-13 11:44:29 +0000 | [diff] [blame] | 1857 | FT_Driver driver = face->driver; |
| 1858 | FT_Module_Class* clazz = FT_MODULE_CLASS( driver ); |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 1859 | |
| 1860 | |
| 1861 | if ( clazz->get_interface ) |
| 1862 | { |
| 1863 | FT_Name_Index_Requester requester; |
| 1864 | |
| 1865 | |
| 1866 | requester = (FT_Name_Index_Requester)clazz->get_interface( |
| 1867 | FT_MODULE( driver ), "name_index" ); |
| 1868 | if ( requester ) |
| 1869 | result = requester( face, glyph_name ); |
| 1870 | } |
| 1871 | } |
| 1872 | |
| 1873 | return result; |
| 1874 | } |
| 1875 | |
Werner Lemberg | aef3fc8 | 2001-12-17 16:21:22 +0000 | [diff] [blame^] | 1876 | |
Tom Kacvinsky | ff2714f | 2001-08-08 10:58:08 +0000 | [diff] [blame] | 1877 | /* documentation is in freetype.h */ |
| 1878 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1879 | FT_EXPORT_DEF( FT_Error ) |
| 1880 | FT_Get_Glyph_Name( FT_Face face, |
| 1881 | FT_UInt glyph_index, |
| 1882 | FT_Pointer buffer, |
| 1883 | FT_UInt buffer_max ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1884 | { |
| 1885 | FT_Error error = FT_Err_Invalid_Argument; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 1886 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1887 | |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1888 | /* clean up buffer */ |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1889 | if ( buffer && buffer_max > 0 ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1890 | ((FT_Byte*)buffer)[0] = 0; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 1891 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1892 | if ( face && |
| 1893 | glyph_index < (FT_UInt)face->num_glyphs && |
| 1894 | FT_HAS_GLYPH_NAMES( face ) ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1895 | { |
| 1896 | /* now, lookup for glyph name */ |
| 1897 | FT_Driver driver = face->driver; |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1898 | FT_Module_Class* clazz = FT_MODULE_CLASS( driver ); |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1899 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1900 | |
| 1901 | if ( clazz->get_interface ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1902 | { |
| 1903 | FT_Glyph_Name_Requester requester; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 1904 | |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1905 | |
| 1906 | requester = (FT_Glyph_Name_Requester)clazz->get_interface( |
| 1907 | FT_MODULE( driver ), "glyph_name" ); |
| 1908 | if ( requester ) |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1909 | error = requester( face, glyph_index, buffer, buffer_max ); |
| 1910 | } |
| 1911 | } |
Werner Lemberg | d060a75 | 2000-07-20 06:57:41 +0000 | [diff] [blame] | 1912 | |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1913 | return error; |
Werner Lemberg | eddd990 | 2000-10-12 05:05:40 +0000 | [diff] [blame] | 1914 | } |
David Turner | 6930b45 | 2000-07-19 17:13:03 +0000 | [diff] [blame] | 1915 | |
| 1916 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 1917 | /* documentation is in freetype.h */ |
| 1918 | |
| 1919 | FT_EXPORT_DEF( const char* ) |
| 1920 | FT_Get_Postscript_Name( FT_Face face ) |
| 1921 | { |
| 1922 | const char* result = NULL; |
| 1923 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 1924 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 1925 | if ( !face ) |
| 1926 | goto Exit; |
| 1927 | |
| 1928 | result = face->internal->postscript_name; |
| 1929 | if ( !result ) |
| 1930 | { |
| 1931 | /* now, lookup for glyph name */ |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 1932 | FT_Driver driver = face->driver; |
| 1933 | FT_Module_Class* clazz = FT_MODULE_CLASS( driver ); |
| 1934 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 1935 | |
| 1936 | if ( clazz->get_interface ) |
| 1937 | { |
| 1938 | FT_PSName_Requester requester; |
| 1939 | |
Werner Lemberg | c3b2160 | 2001-12-05 01:22:05 +0000 | [diff] [blame] | 1940 | |
David Turner | 23bcde1 | 2001-10-17 13:48:10 +0000 | [diff] [blame] | 1941 | requester = (FT_PSName_Requester)clazz->get_interface( |
| 1942 | FT_MODULE( driver ), "postscript_name" ); |
| 1943 | if ( requester ) |
| 1944 | result = requester( face ); |
| 1945 | } |
| 1946 | } |
| 1947 | Exit: |
| 1948 | return result; |
| 1949 | } |
| 1950 | |
| 1951 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 1952 | /* documentation is in tttables.h */ |
| 1953 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 1954 | FT_EXPORT_DEF( void* ) |
| 1955 | FT_Get_Sfnt_Table( FT_Face face, |
| 1956 | FT_Sfnt_Tag tag ) |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 1957 | { |
| 1958 | void* table = 0; |
| 1959 | FT_Get_Sfnt_Table_Func func; |
| 1960 | FT_Driver driver; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1961 | |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1962 | |
| 1963 | if ( !face || !FT_IS_SFNT( face ) ) |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 1964 | goto Exit; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1965 | |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 1966 | driver = face->driver; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1967 | func = (FT_Get_Sfnt_Table_Func)driver->root.clazz->get_interface( |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 1968 | FT_MODULE( driver ), "get_sfnt" ); |
Werner Lemberg | a3b6c6c | 2000-05-31 06:55:12 +0000 | [diff] [blame] | 1969 | if ( func ) |
| 1970 | table = func( face, tag ); |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1971 | |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 1972 | Exit: |
| 1973 | return table; |
David Turner | e49ab25 | 2000-05-16 23:44:38 +0000 | [diff] [blame] | 1974 | } |
David Turner | 99a4d93 | 2000-04-25 16:10:50 +0000 | [diff] [blame] | 1975 | |
| 1976 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 1977 | FT_EXPORT_DEF( FT_Error ) |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 1978 | FT_Activate_Size( FT_Size size ) |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 1979 | { |
| 1980 | FT_Face face; |
| 1981 | |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 1982 | |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 1983 | if ( size == NULL ) |
| 1984 | return FT_Err_Bad_Argument; |
| 1985 | |
| 1986 | face = size->face; |
| 1987 | if ( face == NULL || face->driver == NULL ) |
| 1988 | return FT_Err_Bad_Argument; |
| 1989 | |
Werner Lemberg | 80b8d77 | 2001-10-10 19:56:42 +0000 | [diff] [blame] | 1990 | /* we don't need anything more complex than that; all size objects */ |
| 1991 | /* are already listed by the face */ |
David Turner | b3ba40d | 2001-10-07 13:30:26 +0000 | [diff] [blame] | 1992 | face->size = size; |
| 1993 | |
| 1994 | return FT_Err_Ok; |
| 1995 | } |
| 1996 | |
| 1997 | |
David Turner | d2b1f35 | 1999-12-16 23:11:37 +0000 | [diff] [blame] | 1998 | /*************************************************************************/ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 1999 | /*************************************************************************/ |
| 2000 | /*************************************************************************/ |
| 2001 | /**** ****/ |
| 2002 | /**** ****/ |
| 2003 | /**** R E N D E R E R S ****/ |
| 2004 | /**** ****/ |
| 2005 | /**** ****/ |
| 2006 | /*************************************************************************/ |
| 2007 | /*************************************************************************/ |
| 2008 | /*************************************************************************/ |
| 2009 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2010 | /* lookup a renderer by glyph format in the library's list */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2011 | FT_BASE_DEF( FT_Renderer ) |
| 2012 | FT_Lookup_Renderer( FT_Library library, |
| 2013 | FT_Glyph_Format format, |
| 2014 | FT_ListNode* node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2015 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2016 | FT_ListNode cur; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2017 | FT_Renderer result = 0; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2018 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2019 | |
| 2020 | if ( !library ) |
| 2021 | goto Exit; |
| 2022 | |
| 2023 | cur = library->renderers.head; |
| 2024 | |
| 2025 | if ( node ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2026 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2027 | if ( *node ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2028 | cur = (*node)->next; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2029 | *node = 0; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2030 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2031 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2032 | while ( cur ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2033 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2034 | FT_Renderer renderer = FT_RENDERER( cur->data ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2035 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2036 | |
| 2037 | if ( renderer->glyph_format == format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2038 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2039 | if ( node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2040 | *node = cur; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2041 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2042 | result = renderer; |
| 2043 | break; |
| 2044 | } |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2045 | cur = cur->next; |
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 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2048 | Exit: |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2049 | return result; |
| 2050 | } |
| 2051 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2052 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2053 | static FT_Renderer |
| 2054 | ft_lookup_glyph_renderer( FT_GlyphSlot slot ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2055 | { |
| 2056 | FT_Face face = slot->face; |
| 2057 | FT_Library library = FT_FACE_LIBRARY( face ); |
| 2058 | FT_Renderer result = library->cur_renderer; |
| 2059 | |
| 2060 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2061 | if ( !result || result->glyph_format != slot->format ) |
David Turner | 81bb4ad | 2000-06-28 04:19:49 +0000 | [diff] [blame] | 2062 | result = FT_Lookup_Renderer( library, slot->format, 0 ); |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 2063 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2064 | return result; |
| 2065 | } |
| 2066 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2067 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2068 | static void |
| 2069 | ft_set_current_renderer( FT_Library library ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2070 | { |
| 2071 | FT_Renderer renderer; |
| 2072 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2073 | |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2074 | renderer = FT_Lookup_Renderer( library, ft_glyph_format_outline, 0 ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2075 | library->cur_renderer = renderer; |
| 2076 | } |
| 2077 | |
| 2078 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2079 | static FT_Error |
| 2080 | ft_add_renderer( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2081 | { |
| 2082 | FT_Library library = module->library; |
| 2083 | FT_Memory memory = library->memory; |
| 2084 | FT_Error error; |
| 2085 | FT_ListNode node; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2086 | |
| 2087 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2088 | if ( ALLOC( node, sizeof ( *node ) ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2089 | goto Exit; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2090 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2091 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2092 | FT_Renderer render = FT_RENDERER( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2093 | FT_Renderer_Class* clazz = (FT_Renderer_Class*)module->clazz; |
| 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 | render->clazz = clazz; |
| 2097 | render->glyph_format = clazz->glyph_format; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2098 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2099 | /* allocate raster object if needed */ |
| 2100 | if ( clazz->glyph_format == ft_glyph_format_outline && |
| 2101 | clazz->raster_class->raster_new ) |
| 2102 | { |
| 2103 | error = clazz->raster_class->raster_new( memory, &render->raster ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2104 | if ( error ) |
| 2105 | goto Fail; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2106 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2107 | render->raster_render = clazz->raster_class->raster_render; |
| 2108 | render->render = clazz->render_glyph; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2109 | } |
| 2110 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2111 | /* add to list */ |
| 2112 | node->data = module; |
| 2113 | FT_List_Add( &library->renderers, node ); |
| 2114 | |
| 2115 | ft_set_current_renderer( library ); |
| 2116 | } |
| 2117 | |
| 2118 | Fail: |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2119 | if ( error ) |
| 2120 | FREE( node ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2121 | |
| 2122 | Exit: |
| 2123 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2124 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2125 | |
| 2126 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2127 | static void |
| 2128 | ft_remove_renderer( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2129 | { |
| 2130 | FT_Library library = module->library; |
| 2131 | FT_Memory memory = library->memory; |
| 2132 | FT_ListNode node; |
| 2133 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2134 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2135 | node = FT_List_Find( &library->renderers, module ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2136 | if ( node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2137 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2138 | FT_Renderer render = FT_RENDERER( module ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2139 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2140 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2141 | /* release raster object, if any */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2142 | if ( render->raster ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2143 | render->clazz->raster_class->raster_done( render->raster ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2144 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2145 | /* remove from list */ |
| 2146 | FT_List_Remove( &library->renderers, node ); |
| 2147 | FREE( node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2148 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2149 | ft_set_current_renderer( library ); |
| 2150 | } |
| 2151 | } |
| 2152 | |
| 2153 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2154 | /* documentation is in ftrender.h */ |
| 2155 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2156 | FT_EXPORT_DEF( FT_Renderer ) |
| 2157 | FT_Get_Renderer( FT_Library library, |
| 2158 | FT_Glyph_Format format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2159 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2160 | /* test for valid `library' delayed to FT_Lookup_Renderer() */ |
| 2161 | |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2162 | return FT_Lookup_Renderer( library, format, 0 ); |
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 | |
| 2165 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2166 | /* documentation is in ftrender.h */ |
| 2167 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2168 | FT_EXPORT_DEF( FT_Error ) |
| 2169 | FT_Set_Renderer( FT_Library library, |
| 2170 | FT_Renderer renderer, |
| 2171 | FT_UInt num_params, |
| 2172 | FT_Parameter* parameters ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2173 | { |
| 2174 | FT_ListNode node; |
| 2175 | FT_Error error = FT_Err_Ok; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2176 | |
| 2177 | |
| 2178 | if ( !library ) |
| 2179 | return FT_Err_Invalid_Library_Handle; |
| 2180 | |
| 2181 | if ( !renderer ) |
| 2182 | return FT_Err_Invalid_Argument; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2183 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2184 | node = FT_List_Find( &library->renderers, renderer ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2185 | if ( !node ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2186 | { |
| 2187 | error = FT_Err_Invalid_Argument; |
| 2188 | goto Exit; |
| 2189 | } |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2190 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2191 | FT_List_Up( &library->renderers, node ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2192 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2193 | if ( renderer->glyph_format == ft_glyph_format_outline ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2194 | library->cur_renderer = renderer; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2195 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2196 | if ( num_params > 0 ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2197 | { |
| 2198 | FTRenderer_setMode set_mode = renderer->clazz->set_mode; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2199 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2200 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2201 | for ( ; num_params > 0; num_params-- ) |
| 2202 | { |
| 2203 | error = set_mode( renderer, parameters->tag, parameters->data ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2204 | if ( error ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2205 | break; |
| 2206 | } |
| 2207 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2208 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2209 | Exit: |
| 2210 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2211 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2212 | |
| 2213 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2214 | FT_EXPORT_DEF( FT_Error ) |
| 2215 | FT_Render_Glyph_Internal( FT_Library library, |
| 2216 | FT_GlyphSlot slot, |
| 2217 | FT_UInt render_mode ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2218 | { |
| 2219 | FT_Error error = FT_Err_Ok; |
| 2220 | FT_Renderer renderer; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2221 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2222 | |
| 2223 | /* if it is already a bitmap, no need to do anything */ |
| 2224 | switch ( slot->format ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2225 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2226 | case ft_glyph_format_bitmap: /* already a bitmap, don't do anything */ |
| 2227 | break; |
| 2228 | |
| 2229 | default: |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2230 | { |
| 2231 | FT_ListNode node = 0; |
| 2232 | FT_Bool update = 0; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2233 | |
| 2234 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2235 | /* small shortcut for the very common case */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2236 | if ( slot->format == ft_glyph_format_outline ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2237 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2238 | renderer = library->cur_renderer; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2239 | node = library->renderers.head; |
| 2240 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2241 | else |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2242 | renderer = FT_Lookup_Renderer( library, slot->format, &node ); |
| 2243 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2244 | error = FT_Err_Unimplemented_Feature; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2245 | while ( renderer ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2246 | { |
David Turner | c8ad30a | 2001-12-05 17:24:34 +0000 | [diff] [blame] | 2247 | error = renderer->render( renderer, slot, render_mode, NULL ); |
Werner Lemberg | 7986070 | 2001-06-08 21:17:29 +0000 | [diff] [blame] | 2248 | if ( !error || |
| 2249 | FT_ERROR_BASE( error ) != FT_Err_Cannot_Render_Glyph ) |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2250 | break; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2251 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2252 | /* FT_Err_Cannot_Render_Glyph is returned if the render mode */ |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2253 | /* is unsupported by the current renderer for this glyph image */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2254 | /* format. */ |
| 2255 | |
| 2256 | /* now, look for another renderer that supports the same */ |
| 2257 | /* format. */ |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2258 | renderer = FT_Lookup_Renderer( library, slot->format, &node ); |
| 2259 | update = 1; |
| 2260 | } |
| 2261 | |
| 2262 | /* if we changed the current renderer for the glyph image format */ |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2263 | /* we need to select it as the next current one */ |
| 2264 | if ( !error && update && renderer ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2265 | FT_Set_Renderer( library, renderer, 0, 0 ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2266 | } |
| 2267 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2268 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2269 | return error; |
| 2270 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2271 | |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2272 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2273 | /* documentation is in freetype.h */ |
| 2274 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2275 | FT_EXPORT_DEF( FT_Error ) |
| 2276 | FT_Render_Glyph( FT_GlyphSlot slot, |
| 2277 | FT_UInt render_mode ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2278 | { |
| 2279 | FT_Library library; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2280 | |
| 2281 | |
| 2282 | if ( !slot ) |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2283 | return FT_Err_Invalid_Argument; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2284 | |
| 2285 | library = FT_FACE_LIBRARY( slot->face ); |
| 2286 | |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2287 | return FT_Render_Glyph_Internal( library, slot, render_mode ); |
| 2288 | } |
| 2289 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2290 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2291 | /*************************************************************************/ |
| 2292 | /*************************************************************************/ |
| 2293 | /*************************************************************************/ |
| 2294 | /**** ****/ |
| 2295 | /**** ****/ |
| 2296 | /**** M O D U L E S ****/ |
| 2297 | /**** ****/ |
| 2298 | /**** ****/ |
| 2299 | /*************************************************************************/ |
| 2300 | /*************************************************************************/ |
| 2301 | /*************************************************************************/ |
| 2302 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2303 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2304 | /*************************************************************************/ |
| 2305 | /* */ |
| 2306 | /* <Function> */ |
| 2307 | /* Destroy_Module */ |
| 2308 | /* */ |
| 2309 | /* <Description> */ |
| 2310 | /* Destroys a given module object. For drivers, this also destroys */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2311 | /* all child faces. */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2312 | /* */ |
| 2313 | /* <InOut> */ |
| 2314 | /* module :: A handle to the target driver object. */ |
| 2315 | /* */ |
| 2316 | /* <Note> */ |
| 2317 | /* The driver _must_ be LOCKED! */ |
| 2318 | /* */ |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2319 | static void |
| 2320 | Destroy_Module( FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2321 | { |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 2322 | FT_Memory memory = module->memory; |
| 2323 | FT_Module_Class* clazz = module->clazz; |
| 2324 | FT_Library library = module->library; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2325 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2326 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2327 | /* finalize client-data - before anything else */ |
| 2328 | if ( module->generic.finalizer ) |
| 2329 | module->generic.finalizer( module ); |
| 2330 | |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 2331 | if ( library && library->auto_hinter == module ) |
| 2332 | library->auto_hinter = 0; |
| 2333 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2334 | /* if the module is a renderer */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2335 | if ( FT_MODULE_IS_RENDERER( module ) ) |
| 2336 | ft_remove_renderer( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2337 | |
| 2338 | /* if the module is a font driver, add some steps */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2339 | if ( FT_MODULE_IS_DRIVER( module ) ) |
| 2340 | Destroy_Driver( FT_DRIVER( module ) ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2341 | |
| 2342 | /* finalize the module object */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2343 | if ( clazz->module_done ) |
| 2344 | clazz->module_done( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2345 | |
| 2346 | /* discard it */ |
| 2347 | FREE( module ); |
| 2348 | } |
| 2349 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2350 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2351 | /* documentation is in ftmodule.h */ |
| 2352 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2353 | FT_EXPORT_DEF( FT_Error ) |
| 2354 | FT_Add_Module( FT_Library library, |
| 2355 | const FT_Module_Class* clazz ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2356 | { |
| 2357 | FT_Error error; |
| 2358 | FT_Memory memory; |
| 2359 | FT_Module module; |
| 2360 | FT_UInt nn; |
| 2361 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2362 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2363 | #define FREETYPE_VER_FIXED ( ( (FT_Long)FREETYPE_MAJOR << 16 ) | \ |
| 2364 | FREETYPE_MINOR ) |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2365 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2366 | if ( !library ) |
| 2367 | return FT_Err_Invalid_Library_Handle; |
| 2368 | |
| 2369 | if ( !clazz ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2370 | return FT_Err_Invalid_Argument; |
| 2371 | |
| 2372 | /* check freetype version */ |
| 2373 | if ( clazz->module_requires > FREETYPE_VER_FIXED ) |
| 2374 | return FT_Err_Invalid_Version; |
| 2375 | |
| 2376 | /* look for a module with the same name in the library's table */ |
| 2377 | for ( nn = 0; nn < library->num_modules; nn++ ) |
| 2378 | { |
| 2379 | module = library->modules[nn]; |
| 2380 | if ( strcmp( module->clazz->module_name, clazz->module_name ) == 0 ) |
| 2381 | { |
| 2382 | /* this installed module has the same name, compare their versions */ |
| 2383 | if ( clazz->module_version <= module->clazz->module_version ) |
| 2384 | return FT_Err_Lower_Module_Version; |
| 2385 | |
| 2386 | /* remove the module from our list, then exit the loop to replace */ |
| 2387 | /* it by our new version.. */ |
| 2388 | FT_Remove_Module( library, module ); |
| 2389 | break; |
| 2390 | } |
| 2391 | } |
| 2392 | |
| 2393 | memory = library->memory; |
| 2394 | error = FT_Err_Ok; |
| 2395 | |
| 2396 | if ( library->num_modules >= FT_MAX_MODULES ) |
| 2397 | { |
| 2398 | error = FT_Err_Too_Many_Drivers; |
| 2399 | goto Exit; |
| 2400 | } |
| 2401 | |
| 2402 | /* allocate module object */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2403 | if ( ALLOC( module,clazz->module_size ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2404 | goto Exit; |
| 2405 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2406 | /* base initialization */ |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2407 | module->library = library; |
| 2408 | module->memory = memory; |
| 2409 | module->clazz = (FT_Module_Class*)clazz; |
| 2410 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2411 | /* check whether the module is a renderer - this must be performed */ |
| 2412 | /* before the normal module initialization */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2413 | if ( FT_MODULE_IS_RENDERER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2414 | { |
| 2415 | /* add to the renderers list */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2416 | error = ft_add_renderer( module ); |
| 2417 | if ( error ) |
| 2418 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2419 | } |
| 2420 | |
Werner Lemberg | cc9fc49 | 2000-06-30 06:21:26 +0000 | [diff] [blame] | 2421 | /* is the module a auto-hinter? */ |
| 2422 | if ( FT_MODULE_IS_HINTER( module ) ) |
David Turner | 5ae831c | 2000-06-30 01:31:22 +0000 | [diff] [blame] | 2423 | library->auto_hinter = module; |
Werner Lemberg | fbeb41d | 2000-07-02 00:27:53 +0000 | [diff] [blame] | 2424 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2425 | /* if the module is a font driver */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2426 | if ( FT_MODULE_IS_DRIVER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2427 | { |
| 2428 | /* allocate glyph loader if needed */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2429 | FT_Driver driver = FT_DRIVER( module ); |
| 2430 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2431 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2432 | driver->clazz = (FT_Driver_Class*)module->clazz; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2433 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2434 | { |
| 2435 | error = FT_GlyphLoader_New( memory, &driver->glyph_loader ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2436 | if ( error ) |
| 2437 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2438 | } |
| 2439 | } |
| 2440 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2441 | if ( clazz->module_init ) |
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 | error = clazz->module_init( module ); |
| 2444 | if ( error ) |
| 2445 | goto Fail; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2446 | } |
| 2447 | |
| 2448 | /* add module to the library's table */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2449 | library->modules[library->num_modules++] = module; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2450 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2451 | Exit: |
| 2452 | return error; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2453 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2454 | Fail: |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2455 | if ( FT_MODULE_IS_DRIVER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2456 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2457 | FT_Driver driver = FT_DRIVER( module ); |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2458 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2459 | |
| 2460 | if ( FT_DRIVER_USES_OUTLINES( driver ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2461 | FT_GlyphLoader_Done( driver->glyph_loader ); |
| 2462 | } |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2463 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2464 | if ( FT_MODULE_IS_RENDERER( module ) ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2465 | { |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2466 | FT_Renderer renderer = FT_RENDERER( module ); |
| 2467 | |
| 2468 | |
| 2469 | if ( renderer->raster ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2470 | renderer->clazz->raster_class->raster_done( renderer->raster ); |
| 2471 | } |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2472 | |
| 2473 | FREE( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2474 | goto Exit; |
| 2475 | } |
| 2476 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 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_Module ) |
| 2481 | FT_Get_Module( FT_Library library, |
| 2482 | const char* module_name ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2483 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2484 | FT_Module result = 0; |
| 2485 | FT_Module* cur; |
| 2486 | FT_Module* limit; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2487 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2488 | |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2489 | if ( !library || !module_name ) |
| 2490 | return result; |
| 2491 | |
| 2492 | cur = library->modules; |
| 2493 | limit = cur + library->num_modules; |
| 2494 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2495 | for ( ; cur < limit; cur++ ) |
| 2496 | if ( strcmp( cur[0]->clazz->module_name, module_name ) == 0 ) |
| 2497 | { |
| 2498 | result = cur[0]; |
| 2499 | break; |
| 2500 | } |
| 2501 | |
| 2502 | return result; |
| 2503 | } |
| 2504 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2505 | |
Werner Lemberg | 8ec9dfd | 2000-11-07 23:56:02 +0000 | [diff] [blame] | 2506 | /* documentation is in ftobjs.h */ |
| 2507 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2508 | FT_BASE_DEF( const void* ) |
| 2509 | FT_Get_Module_Interface( FT_Library library, |
| 2510 | const char* mod_name ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2511 | { |
| 2512 | FT_Module module; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2513 | |
| 2514 | |
| 2515 | /* test for valid `library' delayed to FT_Get_Module() */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2516 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2517 | module = FT_Get_Module( library, mod_name ); |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2518 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2519 | return module ? module->clazz->module_interface : 0; |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2520 | } |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2521 | |
| 2522 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2523 | /* documentation is in ftmodule.h */ |
| 2524 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2525 | FT_EXPORT_DEF( FT_Error ) |
| 2526 | FT_Remove_Module( FT_Library library, |
| 2527 | FT_Module module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2528 | { |
| 2529 | /* 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] | 2530 | |
| 2531 | if ( !library ) |
| 2532 | return FT_Err_Invalid_Library_Handle; |
| 2533 | |
| 2534 | if ( module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2535 | { |
| 2536 | FT_Module* cur = library->modules; |
| 2537 | FT_Module* limit = cur + library->num_modules; |
| 2538 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2539 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2540 | for ( ; cur < limit; cur++ ) |
| 2541 | { |
Werner Lemberg | deb4e98 | 2000-06-29 03:14:25 +0000 | [diff] [blame] | 2542 | if ( cur[0] == module ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2543 | { |
| 2544 | /* remove it from the table */ |
| 2545 | library->num_modules--; |
| 2546 | limit--; |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2547 | while ( cur < limit ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2548 | { |
| 2549 | cur[0] = cur[1]; |
| 2550 | cur++; |
| 2551 | } |
| 2552 | limit[0] = 0; |
| 2553 | |
| 2554 | /* destroy the module */ |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2555 | Destroy_Module( module ); |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2556 | |
| 2557 | return FT_Err_Ok; |
| 2558 | } |
| 2559 | } |
| 2560 | } |
Werner Lemberg | b48a609 | 2000-07-09 19:15:30 +0000 | [diff] [blame] | 2561 | return FT_Err_Invalid_Driver_Handle; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2562 | } |
| 2563 | |
| 2564 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2565 | /*************************************************************************/ |
| 2566 | /*************************************************************************/ |
| 2567 | /*************************************************************************/ |
| 2568 | /**** ****/ |
| 2569 | /**** ****/ |
| 2570 | /**** L I B R A R Y ****/ |
| 2571 | /**** ****/ |
| 2572 | /**** ****/ |
| 2573 | /*************************************************************************/ |
| 2574 | /*************************************************************************/ |
| 2575 | /*************************************************************************/ |
| 2576 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2577 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2578 | /* documentation is in ftmodule.h */ |
| 2579 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2580 | FT_EXPORT_DEF( FT_Error ) |
| 2581 | FT_New_Library( FT_Memory memory, |
| 2582 | FT_Library *alibrary ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2583 | { |
| 2584 | FT_Library library = 0; |
| 2585 | FT_Error error; |
| 2586 | |
| 2587 | |
| 2588 | if ( !memory ) |
| 2589 | return FT_Err_Invalid_Argument; |
| 2590 | |
| 2591 | /* first of all, allocate the library object */ |
| 2592 | if ( ALLOC( library, sizeof ( *library ) ) ) |
| 2593 | return error; |
| 2594 | |
| 2595 | library->memory = memory; |
| 2596 | |
| 2597 | /* allocate the render pool */ |
| 2598 | library->raster_pool_size = FT_RENDER_POOL_SIZE; |
| 2599 | if ( ALLOC( library->raster_pool, FT_RENDER_POOL_SIZE ) ) |
| 2600 | goto Fail; |
| 2601 | |
| 2602 | /* That's ok now */ |
| 2603 | *alibrary = library; |
| 2604 | |
| 2605 | return FT_Err_Ok; |
| 2606 | |
| 2607 | Fail: |
| 2608 | FREE( library ); |
| 2609 | return error; |
| 2610 | } |
| 2611 | |
| 2612 | |
Werner Lemberg | 90a0330 | 2000-11-07 17:21:11 +0000 | [diff] [blame] | 2613 | /* documentation is in ftmodule.h */ |
| 2614 | |
Werner Lemberg | f814d0f | 2001-06-27 16:18:10 +0000 | [diff] [blame] | 2615 | FT_EXPORT_DEF( FT_Error ) |
| 2616 | FT_Done_Library( FT_Library library ) |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2617 | { |
| 2618 | FT_Memory memory; |
David Turner | 74abee8 | 2000-06-27 23:31:53 +0000 | [diff] [blame] | 2619 | FT_UInt n; |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2620 | |
| 2621 | |
| 2622 | if ( !library ) |
| 2623 | return FT_Err_Invalid_Library_Handle; |
| 2624 | |
| 2625 | memory = library->memory; |
| 2626 | |
| 2627 | /* Discard client-data */ |
| 2628 | if ( library->generic.finalizer ) |
| 2629 | library->generic.finalizer( library ); |
| 2630 | |
| 2631 | /* Close all modules in the library */ |
| 2632 | for ( n = 0; n < library->num_modules; n++ ) |
| 2633 | { |
| 2634 | FT_Module module = library->modules[n]; |
| 2635 | |
Werner Lemberg | a929ba9 | 2000-06-25 06:47:11 +0000 | [diff] [blame] | 2636 | |
David Turner | f0df85b | 2000-06-22 00:17:42 +0000 | [diff] [blame] | 2637 | if ( module ) |
| 2638 | { |
| 2639 | Destroy_Module( module ); |
| 2640 | library->modules[n] = 0; |
| 2641 | } |
| 2642 | } |
| 2643 | |
| 2644 | /* Destroy raster objects */ |
| 2645 | FREE( library->raster_pool ); |
| 2646 | library->raster_pool_size = 0; |
| 2647 | |
| 2648 | FREE( library ); |
| 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 */ |