ReactOS  0.4.15-dev-1384-g878186b
ftcglyph.c
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1 /***************************************************************************/
2 /* */
3 /* ftcglyph.c */
4 /* */
5 /* FreeType Glyph Image (FT_Glyph) cache (body). */
6 /* */
7 /* Copyright 2000-2018 by */
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>
20 #include FT_INTERNAL_OBJECTS_H
21 #include FT_CACHE_H
22 #include "ftcglyph.h"
23 #include FT_ERRORS_H
24 
25 #include "ftccback.h"
26 #include "ftcerror.h"
27 
28 
29  /* create a new chunk node, setting its cache index and ref count */
30  FT_LOCAL_DEF( void )
32  FT_UInt gindex,
33  FTC_Family family )
34  {
35  gnode->family = family;
36  gnode->gindex = gindex;
37  family->num_nodes++;
38  }
39 
40 
41  FT_LOCAL_DEF( void )
44  {
45  FTC_Family family = gnode->family;
46 
47 
48  gnode->family = NULL;
49  if ( family && --family->num_nodes == 0 )
50  FTC_FAMILY_FREE( family, cache );
51  }
52 
53 
54  FT_LOCAL_DEF( void )
57  {
58  /* finalize the node */
59  gnode->gindex = 0;
60 
62  }
63 
64 
67  FT_Pointer ftcgquery,
69  FT_Bool* list_changed )
70  {
71  FTC_GNode gnode = (FTC_GNode)ftcgnode;
72  FTC_GQuery gquery = (FTC_GQuery)ftcgquery;
73  FT_UNUSED( cache );
74 
75 
76  if ( list_changed )
77  *list_changed = FALSE;
78  return FT_BOOL( gnode->family == gquery->family &&
79  gnode->gindex == gquery->gindex );
80  }
81 
82 
83 #ifdef FTC_INLINE
84 
87  FTC_GQuery gquery,
89  FT_Bool* list_changed )
90  {
91  return ftc_gnode_compare( FTC_NODE( gnode ), gquery,
92  cache, list_changed );
93  }
94 
95 #endif
96 
97  /*************************************************************************/
98  /*************************************************************************/
99  /***** *****/
100  /***** CHUNK SETS *****/
101  /***** *****/
102  /*************************************************************************/
103  /*************************************************************************/
104 
105  FT_LOCAL_DEF( void )
107  FTC_Cache cache )
108  {
110 
111 
112  family->clazz = clazz->family_class;
113  family->num_nodes = 0;
114  family->cache = cache;
115  }
116 
117 
120  {
121  FTC_GCache cache = (FTC_GCache)ftccache;
122  FT_Error error;
123 
124 
126  if ( !error )
127  {
128  FTC_GCacheClass clazz = (FTC_GCacheClass)FTC_CACHE( cache )->org_class;
129 
130  FTC_MruList_Init( &cache->families,
131  clazz->family_class,
132  0, /* no maximum here! */
133  cache,
134  FTC_CACHE( cache )->memory );
135  }
136 
137  return error;
138  }
139 
140 
141 #if 0
142 
144  FTC_GCache_Init( FTC_GCache cache )
145  {
146  return ftc_gcache_init( FTC_CACHE( cache ) );
147  }
148 
149 #endif /* 0 */
150 
151 
152  FT_LOCAL_DEF( void )
154  {
155  FTC_GCache cache = (FTC_GCache)ftccache;
156 
157 
159  FTC_MruList_Done( &cache->families );
160  }
161 
162 
163 #if 0
164 
165  FT_LOCAL_DEF( void )
166  FTC_GCache_Done( FTC_GCache cache )
167  {
169  }
170 
171 #endif /* 0 */
172 
173 
176  FTC_GCacheClass clazz,
177  FTC_GCache *acache )
178  {
179  return FTC_Manager_RegisterCache( manager, (FTC_CacheClass)clazz,
180  (FTC_Cache*)acache );
181  }
182 
183 
184 #ifndef FTC_INLINE
185 
187  FTC_GCache_Lookup( FTC_GCache cache,
188  FT_Offset hash,
189  FT_UInt gindex,
191  FTC_Node *anode )
192  {
193  FT_Error error;
194 
195 
196  query->gindex = gindex;
197 
198  FTC_MRULIST_LOOKUP( &cache->families, query, query->family, error );
199  if ( !error )
200  {
201  FTC_Family family = query->family;
202 
203 
204  /* prevent the family from being destroyed too early when an */
205  /* out-of-memory condition occurs during glyph node initialization. */
206  family->num_nodes++;
207 
208  error = FTC_Cache_Lookup( FTC_CACHE( cache ), hash, query, anode );
209 
210  if ( --family->num_nodes == 0 )
211  FTC_FAMILY_FREE( family, cache );
212  }
213  return error;
214  }
215 
216 #endif /* !FTC_INLINE */
217 
218 
219 /* END */
Definition: cache.c:48
int FT_Error
Definition: fttypes.h:300
FTC_GNode_UnselectFamily(FTC_GNode gnode, FTC_Cache cache)
Definition: ftcglyph.c:42
#define error(str)
Definition: mkdosfs.c:1605
ftc_gcache_init(FTC_Cache ftccache)
Definition: ftcglyph.c:119
static char memory[1024 *256]
Definition: process.c:116
#define FTC_NODE(x)
Definition: ftccache.h:69
struct FTC_GCacheRec_ * FTC_GCache
FT_BEGIN_HEADER typedef unsigned char FT_Bool
Definition: fttypes.h:108
FTC_MruList_Init(FTC_MruList list, FTC_MruListClass clazz, FT_UInt max_nodes, FT_Pointer data, FT_Memory memory)
Definition: ftcmru.c:169
FTC_MruListClass family_class
Definition: ftcglyph.h:240
#define FALSE
Definition: types.h:117
FTC_Family family
Definition: ftcglyph.h:151
FTC_Family_Init(FTC_Family family, FTC_Cache cache)
Definition: ftcglyph.c:106
FTC_GNode_Init(FTC_GNode gnode, FT_UInt gindex, FTC_Family family)
Definition: ftcglyph.c:31
FTC_Cache_Done(FTC_Cache cache)
Definition: ftccache.c:409
struct FTC_GNodeRec_ * FTC_GNode
FTC_Manager_RegisterCache(FTC_Manager manager, FTC_CacheClass clazz, FTC_Cache *acache)
Definition: ftcmanag.c:580
#define FT_LOCAL_DEF(x)
Definition: ftconfig.h:388
#define FTC_CACHE_GCACHE_CLASS(x)
Definition: ftcglyph.h:248
FT_UInt gindex
Definition: ftcglyph.h:152
FTC_MruList_Done(FTC_MruList list)
Definition: ftcmru.c:195
#define FTC_CACHE(x)
Definition: ftccache.h:161
const FTC_GCacheClassRec * FTC_GCacheClass
Definition: ftcglyph.h:244
ftc_gcache_done(FTC_Cache ftccache)
Definition: ftcglyph.c:153
static IOleCache * cache
Definition: ole2.c:75
#define FT_BOOL(x)
Definition: fttypes.h:578
FT_BEGIN_HEADER struct FTC_FamilyRec_ * FTC_Family
FTC_GNode_Done(FTC_GNode gnode, FTC_Cache cache)
Definition: ftcglyph.c:55
FTC_GNode_Compare(FTC_GNode gnode, FTC_GQuery gquery, FTC_Cache cache, FT_Bool *list_changed)
Definition: ftcglyph.c:86
#define FTC_FAMILY_FREE(family, cache)
Definition: ftcglyph.h:273
unsigned int FT_UInt
Definition: fttypes.h:231
#define NULL
Definition: types.h:112
struct FTC_GQueryRec_ * FTC_GQuery
FTC_Family family
Definition: ftcglyph.h:163
FTC_Cache_Init(FTC_Cache cache)
Definition: ftccache.c:328
Definition: _hash_fun.h:40
FTC_GCache_New(FTC_Manager manager, FTC_GCacheClass clazz, FTC_GCache *acache)
Definition: ftcglyph.c:175
#define FT_UNUSED(arg)
Definition: ftconfig.h:101
#define FTC_MRULIST_LOOKUP(list, key, node, error)
Definition: ftcmru.h:198
size_t FT_Offset
Definition: fttypes.h:324
ftc_gnode_compare(FTC_Node ftcgnode, FT_Pointer ftcgquery, FTC_Cache cache, FT_Bool *list_changed)
Definition: ftcglyph.c:66
FT_UInt gindex
Definition: ftcglyph.h:162