--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libfreetype/src/cache/ftcglyph.c Mon Apr 25 01:46:54 2011 +0200
@@ -0,0 +1,219 @@
+/***************************************************************************/
+/* */
+/* ftcglyph.c */
+/* */
+/* FreeType Glyph Image (FT_Glyph) cache (body). */
+/* */
+/* Copyright 2000-2001, 2003, 2004, 2006, 2009, 2011 by */
+/* David Turner, Robert Wilhelm, and Werner Lemberg. */
+/* */
+/* This file is part of the FreeType project, and may only be used, */
+/* modified, and distributed under the terms of the FreeType project */
+/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
+/* this file you indicate that you have read the license and */
+/* understand and accept it fully. */
+/* */
+/***************************************************************************/
+
+
+#include <ft2build.h>
+#include FT_INTERNAL_OBJECTS_H
+#include FT_CACHE_H
+#include "ftcglyph.h"
+#include FT_ERRORS_H
+
+#include "ftccback.h"
+#include "ftcerror.h"
+
+
+ /* create a new chunk node, setting its cache index and ref count */
+ FT_LOCAL_DEF( void )
+ FTC_GNode_Init( FTC_GNode gnode,
+ FT_UInt gindex,
+ FTC_Family family )
+ {
+ gnode->family = family;
+ gnode->gindex = gindex;
+ family->num_nodes++;
+ }
+
+
+ FT_LOCAL_DEF( void )
+ FTC_GNode_UnselectFamily( FTC_GNode gnode,
+ FTC_Cache cache )
+ {
+ FTC_Family family = gnode->family;
+
+
+ gnode->family = NULL;
+ if ( family && --family->num_nodes == 0 )
+ FTC_FAMILY_FREE( family, cache );
+ }
+
+
+ FT_LOCAL_DEF( void )
+ FTC_GNode_Done( FTC_GNode gnode,
+ FTC_Cache cache )
+ {
+ /* finalize the node */
+ gnode->gindex = 0;
+
+ FTC_GNode_UnselectFamily( gnode, cache );
+ }
+
+
+ FT_LOCAL_DEF( FT_Bool )
+ ftc_gnode_compare( FTC_Node ftcgnode,
+ FT_Pointer ftcgquery,
+ FTC_Cache cache,
+ FT_Bool* list_changed )
+ {
+ FTC_GNode gnode = (FTC_GNode)ftcgnode;
+ FTC_GQuery gquery = (FTC_GQuery)ftcgquery;
+ FT_UNUSED( cache );
+
+
+ if ( list_changed )
+ *list_changed = FALSE;
+ return FT_BOOL( gnode->family == gquery->family &&
+ gnode->gindex == gquery->gindex );
+ }
+
+
+#ifdef FTC_INLINE
+
+ FT_LOCAL_DEF( FT_Bool )
+ FTC_GNode_Compare( FTC_GNode gnode,
+ FTC_GQuery gquery,
+ FTC_Cache cache,
+ FT_Bool* list_changed )
+ {
+ return ftc_gnode_compare( FTC_NODE( gnode ), gquery,
+ cache, list_changed );
+ }
+
+#endif
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** CHUNK SETS *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ FT_LOCAL_DEF( void )
+ FTC_Family_Init( FTC_Family family,
+ FTC_Cache cache )
+ {
+ FTC_GCacheClass clazz = FTC_CACHE__GCACHE_CLASS( cache );
+
+
+ family->clazz = clazz->family_class;
+ family->num_nodes = 0;
+ family->cache = cache;
+ }
+
+
+ FT_LOCAL_DEF( FT_Error )
+ ftc_gcache_init( FTC_Cache ftccache )
+ {
+ FTC_GCache cache = (FTC_GCache)ftccache;
+ FT_Error error;
+
+
+ error = FTC_Cache_Init( FTC_CACHE( cache ) );
+ if ( !error )
+ {
+ FTC_GCacheClass clazz = (FTC_GCacheClass)FTC_CACHE( cache )->org_class;
+
+ FTC_MruList_Init( &cache->families,
+ clazz->family_class,
+ 0, /* no maximum here! */
+ cache,
+ FTC_CACHE( cache )->memory );
+ }
+
+ return error;
+ }
+
+
+#if 0
+
+ FT_LOCAL_DEF( FT_Error )
+ FTC_GCache_Init( FTC_GCache cache )
+ {
+ return ftc_gcache_init( FTC_CACHE( cache ) );
+ }
+
+#endif /* 0 */
+
+
+ FT_LOCAL_DEF( void )
+ ftc_gcache_done( FTC_Cache ftccache )
+ {
+ FTC_GCache cache = (FTC_GCache)ftccache;
+
+
+ FTC_Cache_Done( (FTC_Cache)cache );
+ FTC_MruList_Done( &cache->families );
+ }
+
+
+#if 0
+
+ FT_LOCAL_DEF( void )
+ FTC_GCache_Done( FTC_GCache cache )
+ {
+ ftc_gcache_done( FTC_CACHE( cache ) );
+ }
+
+#endif /* 0 */
+
+
+ FT_LOCAL_DEF( FT_Error )
+ FTC_GCache_New( FTC_Manager manager,
+ FTC_GCacheClass clazz,
+ FTC_GCache *acache )
+ {
+ return FTC_Manager_RegisterCache( manager, (FTC_CacheClass)clazz,
+ (FTC_Cache*)acache );
+ }
+
+
+#ifndef FTC_INLINE
+
+ FT_LOCAL_DEF( FT_Error )
+ FTC_GCache_Lookup( FTC_GCache cache,
+ FT_PtrDist hash,
+ FT_UInt gindex,
+ FTC_GQuery query,
+ FTC_Node *anode )
+ {
+ FT_Error error;
+
+
+ query->gindex = gindex;
+
+ FTC_MRULIST_LOOKUP( &cache->families, query, query->family, error );
+ if ( !error )
+ {
+ FTC_Family family = query->family;
+
+
+ /* prevent the family from being destroyed too early when an */
+ /* out-of-memory condition occurs during glyph node initialization. */
+ family->num_nodes++;
+
+ error = FTC_Cache_Lookup( FTC_CACHE( cache ), hash, query, anode );
+
+ if ( --family->num_nodes == 0 )
+ FTC_FAMILY_FREE( family, cache );
+ }
+ return error;
+ }
+
+#endif /* !FTC_INLINE */
+
+
+/* END */