Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 1 | /***************************************************************************/ |
| 2 | /* */ |
| 3 | /* ftcglyph.c */ |
| 4 | /* */ |
| 5 | /* FreeType Glyph Image (FT_Glyph) cache (body). */ |
| 6 | /* */ |
Werner Lemberg | 9adeab6 | 2016-01-13 11:54:10 +0100 | [diff] [blame^] | 7 | /* Copyright 2000-2016 by */ |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 8 | /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
| 9 | /* */ |
| 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 */ |
| 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 | |
| 18 | |
| 19 | #include <ft2build.h> |
suzuki toshiya | 38b272f | 2011-01-09 22:49:07 +0900 | [diff] [blame] | 20 | #include FT_INTERNAL_OBJECTS_H |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 21 | #include FT_CACHE_H |
David Turner | 256de4b | 2006-03-20 12:10:24 +0000 | [diff] [blame] | 22 | #include "ftcglyph.h" |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 23 | #include FT_ERRORS_H |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 24 | |
Werner Lemberg | 09370c8 | 2004-02-17 18:41:58 +0000 | [diff] [blame] | 25 | #include "ftccback.h" |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 26 | #include "ftcerror.h" |
| 27 | |
| 28 | |
| 29 | /* create a new chunk node, setting its cache index and ref count */ |
Werner Lemberg | 6c5b617 | 2006-03-22 15:30:41 +0000 | [diff] [blame] | 30 | FT_LOCAL_DEF( void ) |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 31 | FTC_GNode_Init( FTC_GNode gnode, |
| 32 | FT_UInt gindex, |
| 33 | FTC_Family family ) |
| 34 | { |
| 35 | gnode->family = family; |
| 36 | gnode->gindex = gindex; |
| 37 | family->num_nodes++; |
| 38 | } |
| 39 | |
| 40 | |
Werner Lemberg | 6c5b617 | 2006-03-22 15:30:41 +0000 | [diff] [blame] | 41 | FT_LOCAL_DEF( void ) |
Werner Lemberg | 80cfbd7 | 2003-12-26 07:26:08 +0000 | [diff] [blame] | 42 | FTC_GNode_UnselectFamily( FTC_GNode gnode, |
| 43 | FTC_Cache cache ) |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 44 | { |
| 45 | FTC_Family family = gnode->family; |
| 46 | |
Werner Lemberg | 80cfbd7 | 2003-12-26 07:26:08 +0000 | [diff] [blame] | 47 | |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 48 | gnode->family = NULL; |
Werner Lemberg | b9ff415 | 2004-11-19 10:35:52 +0000 | [diff] [blame] | 49 | if ( family && --family->num_nodes == 0 ) |
David Turner | 5ab4136 | 2004-07-18 07:15:18 +0000 | [diff] [blame] | 50 | FTC_FAMILY_FREE( family, cache ); |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 51 | } |
| 52 | |
| 53 | |
Werner Lemberg | 6c5b617 | 2006-03-22 15:30:41 +0000 | [diff] [blame] | 54 | FT_LOCAL_DEF( void ) |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 55 | FTC_GNode_Done( FTC_GNode gnode, |
| 56 | FTC_Cache cache ) |
| 57 | { |
| 58 | /* finalize the node */ |
| 59 | gnode->gindex = 0; |
| 60 | |
| 61 | FTC_GNode_UnselectFamily( gnode, cache ); |
| 62 | } |
| 63 | |
| 64 | |
Werner Lemberg | 09370c8 | 2004-02-17 18:41:58 +0000 | [diff] [blame] | 65 | FT_LOCAL_DEF( FT_Bool ) |
Werner Lemberg | e260d25 | 2004-05-17 09:25:04 +0000 | [diff] [blame] | 66 | ftc_gnode_compare( FTC_Node ftcgnode, |
| 67 | FT_Pointer ftcgquery, |
suzuki toshiya | 38b272f | 2011-01-09 22:49:07 +0900 | [diff] [blame] | 68 | FTC_Cache cache, |
| 69 | FT_Bool* list_changed ) |
Werner Lemberg | 09370c8 | 2004-02-17 18:41:58 +0000 | [diff] [blame] | 70 | { |
Werner Lemberg | e260d25 | 2004-05-17 09:25:04 +0000 | [diff] [blame] | 71 | FTC_GNode gnode = (FTC_GNode)ftcgnode; |
| 72 | FTC_GQuery gquery = (FTC_GQuery)ftcgquery; |
| 73 | FT_UNUSED( cache ); |
| 74 | |
Werner Lemberg | fefd874 | 2004-06-12 13:21:20 +0000 | [diff] [blame] | 75 | |
suzuki toshiya | 38b272f | 2011-01-09 22:49:07 +0900 | [diff] [blame] | 76 | if ( list_changed ) |
| 77 | *list_changed = FALSE; |
Werner Lemberg | 64ed303 | 2009-12-20 18:12:57 +0100 | [diff] [blame] | 78 | return FT_BOOL( gnode->family == gquery->family && |
| 79 | gnode->gindex == gquery->gindex ); |
David Turner | b83239b | 2004-06-09 21:07:49 +0000 | [diff] [blame] | 80 | } |
Werner Lemberg | e260d25 | 2004-05-17 09:25:04 +0000 | [diff] [blame] | 81 | |
David Turner | b83239b | 2004-06-09 21:07:49 +0000 | [diff] [blame] | 82 | |
suzuki toshiya | 52a1e47 | 2011-01-09 20:47:37 +0900 | [diff] [blame] | 83 | #ifdef FTC_INLINE |
| 84 | |
Werner Lemberg | 6c5b617 | 2006-03-22 15:30:41 +0000 | [diff] [blame] | 85 | FT_LOCAL_DEF( FT_Bool ) |
David Turner | b83239b | 2004-06-09 21:07:49 +0000 | [diff] [blame] | 86 | FTC_GNode_Compare( FTC_GNode gnode, |
suzuki toshiya | 62d116f | 2011-01-09 22:38:10 +0900 | [diff] [blame] | 87 | FTC_GQuery gquery, |
suzuki toshiya | 38b272f | 2011-01-09 22:49:07 +0900 | [diff] [blame] | 88 | FTC_Cache cache, |
| 89 | FT_Bool* list_changed ) |
David Turner | b83239b | 2004-06-09 21:07:49 +0000 | [diff] [blame] | 90 | { |
Werner Lemberg | 3757b1e | 2011-01-13 10:33:04 +0100 | [diff] [blame] | 91 | return ftc_gnode_compare( FTC_NODE( gnode ), gquery, |
| 92 | cache, list_changed ); |
Werner Lemberg | 09370c8 | 2004-02-17 18:41:58 +0000 | [diff] [blame] | 93 | } |
| 94 | |
suzuki toshiya | 52a1e47 | 2011-01-09 20:47:37 +0900 | [diff] [blame] | 95 | #endif |
Werner Lemberg | 09370c8 | 2004-02-17 18:41:58 +0000 | [diff] [blame] | 96 | |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 97 | /*************************************************************************/ |
| 98 | /*************************************************************************/ |
| 99 | /***** *****/ |
| 100 | /***** CHUNK SETS *****/ |
| 101 | /***** *****/ |
| 102 | /*************************************************************************/ |
| 103 | /*************************************************************************/ |
| 104 | |
Werner Lemberg | 6c5b617 | 2006-03-22 15:30:41 +0000 | [diff] [blame] | 105 | FT_LOCAL_DEF( void ) |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 106 | FTC_Family_Init( FTC_Family family, |
| 107 | FTC_Cache cache ) |
| 108 | { |
Werner Lemberg | 2e9d266 | 2016-01-12 21:40:53 +0100 | [diff] [blame] | 109 | FTC_GCacheClass clazz = FTC_CACHE_GCACHE_CLASS( cache ); |
Werner Lemberg | 80cfbd7 | 2003-12-26 07:26:08 +0000 | [diff] [blame] | 110 | |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 111 | |
| 112 | family->clazz = clazz->family_class; |
| 113 | family->num_nodes = 0; |
| 114 | family->cache = cache; |
| 115 | } |
| 116 | |
| 117 | |
David Turner | b83239b | 2004-06-09 21:07:49 +0000 | [diff] [blame] | 118 | FT_LOCAL_DEF( FT_Error ) |
| 119 | ftc_gcache_init( FTC_Cache ftccache ) |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 120 | { |
David Turner | b83239b | 2004-06-09 21:07:49 +0000 | [diff] [blame] | 121 | FTC_GCache cache = (FTC_GCache)ftccache; |
| 122 | FT_Error error; |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 123 | |
Werner Lemberg | fefd874 | 2004-06-12 13:21:20 +0000 | [diff] [blame] | 124 | |
Werner Lemberg | 80cfbd7 | 2003-12-26 07:26:08 +0000 | [diff] [blame] | 125 | error = FTC_Cache_Init( FTC_CACHE( cache ) ); |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 126 | if ( !error ) |
| 127 | { |
Werner Lemberg | 80cfbd7 | 2003-12-26 07:26:08 +0000 | [diff] [blame] | 128 | FTC_GCacheClass clazz = (FTC_GCacheClass)FTC_CACHE( cache )->org_class; |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 129 | |
| 130 | FTC_MruList_Init( &cache->families, |
| 131 | clazz->family_class, |
Werner Lemberg | 80cfbd7 | 2003-12-26 07:26:08 +0000 | [diff] [blame] | 132 | 0, /* no maximum here! */ |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 133 | cache, |
Werner Lemberg | 80cfbd7 | 2003-12-26 07:26:08 +0000 | [diff] [blame] | 134 | FTC_CACHE( cache )->memory ); |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 135 | } |
Werner Lemberg | 80cfbd7 | 2003-12-26 07:26:08 +0000 | [diff] [blame] | 136 | |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 137 | return error; |
| 138 | } |
| 139 | |
| 140 | |
Werner Lemberg | 6c5b617 | 2006-03-22 15:30:41 +0000 | [diff] [blame] | 141 | #if 0 |
| 142 | |
| 143 | FT_LOCAL_DEF( FT_Error ) |
David Turner | b83239b | 2004-06-09 21:07:49 +0000 | [diff] [blame] | 144 | FTC_GCache_Init( FTC_GCache cache ) |
Werner Lemberg | 09370c8 | 2004-02-17 18:41:58 +0000 | [diff] [blame] | 145 | { |
Werner Lemberg | fefd874 | 2004-06-12 13:21:20 +0000 | [diff] [blame] | 146 | return ftc_gcache_init( FTC_CACHE( cache ) ); |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 147 | } |
| 148 | |
Werner Lemberg | 6c5b617 | 2006-03-22 15:30:41 +0000 | [diff] [blame] | 149 | #endif /* 0 */ |
| 150 | |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 151 | |
Werner Lemberg | 09370c8 | 2004-02-17 18:41:58 +0000 | [diff] [blame] | 152 | FT_LOCAL_DEF( void ) |
Werner Lemberg | e260d25 | 2004-05-17 09:25:04 +0000 | [diff] [blame] | 153 | ftc_gcache_done( FTC_Cache ftccache ) |
Werner Lemberg | 09370c8 | 2004-02-17 18:41:58 +0000 | [diff] [blame] | 154 | { |
Werner Lemberg | e260d25 | 2004-05-17 09:25:04 +0000 | [diff] [blame] | 155 | FTC_GCache cache = (FTC_GCache)ftccache; |
| 156 | |
| 157 | |
David Turner | b83239b | 2004-06-09 21:07:49 +0000 | [diff] [blame] | 158 | FTC_Cache_Done( (FTC_Cache)cache ); |
| 159 | FTC_MruList_Done( &cache->families ); |
Werner Lemberg | 09370c8 | 2004-02-17 18:41:58 +0000 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | |
Werner Lemberg | 6c5b617 | 2006-03-22 15:30:41 +0000 | [diff] [blame] | 163 | #if 0 |
| 164 | |
| 165 | FT_LOCAL_DEF( void ) |
Werner Lemberg | fefd874 | 2004-06-12 13:21:20 +0000 | [diff] [blame] | 166 | FTC_GCache_Done( FTC_GCache cache ) |
| 167 | { |
| 168 | ftc_gcache_done( FTC_CACHE( cache ) ); |
| 169 | } |
| 170 | |
Werner Lemberg | 6c5b617 | 2006-03-22 15:30:41 +0000 | [diff] [blame] | 171 | #endif /* 0 */ |
Werner Lemberg | fefd874 | 2004-06-12 13:21:20 +0000 | [diff] [blame] | 172 | |
Werner Lemberg | 6c5b617 | 2006-03-22 15:30:41 +0000 | [diff] [blame] | 173 | |
| 174 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 175 | FTC_GCache_New( FTC_Manager manager, |
| 176 | FTC_GCacheClass clazz, |
| 177 | FTC_GCache *acache ) |
| 178 | { |
Werner Lemberg | 80cfbd7 | 2003-12-26 07:26:08 +0000 | [diff] [blame] | 179 | return FTC_Manager_RegisterCache( manager, (FTC_CacheClass)clazz, |
| 180 | (FTC_Cache*)acache ); |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | |
Werner Lemberg | 6c5b617 | 2006-03-22 15:30:41 +0000 | [diff] [blame] | 184 | #ifndef FTC_INLINE |
| 185 | |
| 186 | FT_LOCAL_DEF( FT_Error ) |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 187 | FTC_GCache_Lookup( FTC_GCache cache, |
Werner Lemberg | 3aaebe3 | 2015-02-23 08:20:27 +0100 | [diff] [blame] | 188 | FT_Offset hash, |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 189 | FT_UInt gindex, |
| 190 | FTC_GQuery query, |
| 191 | FTC_Node *anode ) |
| 192 | { |
Werner Lemberg | 80cfbd7 | 2003-12-26 07:26:08 +0000 | [diff] [blame] | 193 | FT_Error error; |
| 194 | |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 195 | |
| 196 | query->gindex = gindex; |
| 197 | |
| 198 | FTC_MRULIST_LOOKUP( &cache->families, query, query->family, error ); |
| 199 | if ( !error ) |
David Turner | 5ab4136 | 2004-07-18 07:15:18 +0000 | [diff] [blame] | 200 | { |
| 201 | FTC_Family family = query->family; |
| 202 | |
Werner Lemberg | 3fb70ba | 2004-07-19 20:02:35 +0000 | [diff] [blame] | 203 | |
| 204 | /* prevent the family from being destroyed too early when an */ |
| 205 | /* out-of-memory condition occurs during glyph node initialization. */ |
David Turner | 5ab4136 | 2004-07-18 07:15:18 +0000 | [diff] [blame] | 206 | family->num_nodes++; |
| 207 | |
Werner Lemberg | 80cfbd7 | 2003-12-26 07:26:08 +0000 | [diff] [blame] | 208 | error = FTC_Cache_Lookup( FTC_CACHE( cache ), hash, query, anode ); |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 209 | |
Werner Lemberg | b9ff415 | 2004-11-19 10:35:52 +0000 | [diff] [blame] | 210 | if ( --family->num_nodes == 0 ) |
David Turner | 5ab4136 | 2004-07-18 07:15:18 +0000 | [diff] [blame] | 211 | FTC_FAMILY_FREE( family, cache ); |
| 212 | } |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 213 | return error; |
| 214 | } |
| 215 | |
Werner Lemberg | 6c5b617 | 2006-03-22 15:30:41 +0000 | [diff] [blame] | 216 | #endif /* !FTC_INLINE */ |
| 217 | |
Werner Lemberg | 328abf3 | 2003-12-24 13:37:58 +0000 | [diff] [blame] | 218 | |
| 219 | /* END */ |