/* */
/* FreeType internal cache interface (specification). */
/* */
-/* Copyright 2000-2001, 2002, 2003, 2004, 2005, 2006, 2007 by */
+/* Copyright 2000-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
FT_BEGIN_HEADER
+#define _FTC_FACE_ID_HASH( i ) \
+ ((FT_PtrDist)(( (FT_PtrDist)(i) >> 3 ) ^ ( (FT_PtrDist)(i) << 7 )))
+
/* handle to cache object */
typedef struct FTC_CacheRec_* FTC_Cache;
{
FTC_MruNodeRec mru; /* circular mru list pointer */
FTC_Node link; /* used for hashing */
- FT_UInt32 hash; /* used for hashing too */
+ FT_PtrDist hash; /* used for hashing too */
FT_UShort cache_index; /* index of cache the node belongs to */
FT_Short ref_count; /* reference count for this node */
FT_Pointer query,
FTC_Cache cache );
- typedef FT_ULong
+ typedef FT_Offset
(*FTC_Node_WeightFunc)( FTC_Node node,
FTC_Cache cache );
FTC_Node_CompareFunc node_remove_faceid;
FTC_Node_FreeFunc node_free;
- FT_UInt cache_size;
+ FT_Offset cache_size;
FTC_Cache_InitFunc cache_init;
FTC_Cache_DoneFunc cache_done;
#ifndef FTC_INLINE
FT_LOCAL( FT_Error )
FTC_Cache_Lookup( FTC_Cache cache,
- FT_UInt32 hash,
+ FT_PtrDist hash,
FT_Pointer query,
FTC_Node *anode );
#endif
FT_LOCAL( FT_Error )
FTC_Cache_NewNode( FTC_Cache cache,
- FT_UInt32 hash,
+ FT_PtrDist hash,
FT_Pointer query,
FTC_Node *anode );
FT_BEGIN_STMNT \
FTC_Node *_bucket, *_pnode, _node; \
FTC_Cache _cache = FTC_CACHE(cache); \
- FT_UInt32 _hash = (FT_UInt32)(hash); \
+ FT_PtrDist _hash = (FT_PtrDist)(hash); \
FTC_Node_CompareFunc _nodcomp = (FTC_Node_CompareFunc)(nodecmp); \
- FT_UInt _idx; \
+ FT_UFast _idx; \
\
\
- error = 0; \
+ error = FTC_Err_Ok; \
node = NULL; \
_idx = _hash & _cache->mask; \
if ( _idx < _cache->p ) \
error = FTC_Cache_NewNode( _cache, _hash, query, &_node ); \
\
_Ok: \
- _pnode = (FTC_Node*)(void*)&(node); \
- *_pnode = _node; \
+ node = _node; \
FT_END_STMNT
#else /* !FTC_INLINE */
#define FTC_CACHE_TRYLOOP_END() \
- if ( !error || error != FT_Err_Out_Of_Memory ) \
+ if ( !error || error != FTC_Err_Out_Of_Memory ) \
break; \
\
_try_done = FTC_Manager_FlushN( _try_manager, _try_count ); \