/* */
/* The FreeType internal cache interface (body). */
/* */
-/* 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, */
#include "ftccback.h"
#include "ftcerror.h"
+#undef FT_COMPONENT
+#define FT_COMPONENT trace_cache
+
#define FTC_HASH_MAX_LOAD 2
#define FTC_HASH_MIN_LOAD 1
for (;;)
{
FTC_Node node, *pnode;
- FT_UInt p = cache->p;
- FT_UInt mask = cache->mask;
- FT_UInt count = mask + p + 1; /* number of buckets */
+ FT_UFast p = cache->p;
+ FT_UFast mask = cache->mask;
+ FT_UFast count = mask + p + 1; /* number of buckets */
/* do we need to shrink the buckets array? */
/* do we need to expand the buckets array? */
else if ( cache->slack > (FT_Long)count * FTC_HASH_SUB_LOAD )
{
- FT_UInt old_index = p + mask;
+ FT_UFast old_index = p + mask;
FTC_Node* pold;
if ( node == NULL )
{
- FT_ERROR(( "ftc_node_hash_unlink: unknown node!\n" ));
+ FT_TRACE0(( "ftc_node_hash_unlink: unknown node\n" ));
return;
}
/* find node's cache */
if ( node->cache_index >= manager->num_caches )
{
- FT_ERROR(( "ftc_node_destroy: invalid node handle\n" ));
+ FT_TRACE0(( "ftc_node_destroy: invalid node handle\n" ));
return;
}
#endif
#ifdef FT_DEBUG_ERROR
if ( cache == NULL )
{
- FT_ERROR(( "ftc_node_destroy: invalid node handle\n" ));
+ FT_TRACE0(( "ftc_node_destroy: invalid node handle\n" ));
return;
}
#endif
#if 0
/* check, just in case of general corruption :-) */
if ( manager->num_nodes == 0 )
- FT_ERROR(( "ftc_node_destroy: invalid cache node count! = %d\n",
+ FT_TRACE0(( "ftc_node_destroy: invalid cache node count (%d)\n",
manager->num_nodes ));
#endif
}
static void
FTC_Cache_Clear( FTC_Cache cache )
{
- if ( cache )
+ if ( cache && cache->buckets )
{
FTC_Manager manager = cache->manager;
FT_UFast i;
- FT_UInt count;
+ FT_UFast count;
count = cache->p + cache->mask + 1;
static void
ftc_cache_add( FTC_Cache cache,
- FT_UInt32 hash,
+ FT_PtrDist hash,
FTC_Node node )
{
node->hash = hash;
FT_LOCAL_DEF( FT_Error )
FTC_Cache_NewNode( FTC_Cache cache,
- FT_UInt32 hash,
+ FT_PtrDist hash,
FT_Pointer query,
FTC_Node *anode )
{
FT_LOCAL_DEF( FT_Error )
FTC_Cache_Lookup( FTC_Cache cache,
- FT_UInt32 hash,
+ FT_PtrDist hash,
FT_Pointer query,
FTC_Node *anode )
{
FTC_Node* bucket;
FTC_Node* pnode;
FTC_Node node;
- FT_Error error = 0;
+ FT_Error error = FTC_Err_Ok;
FTC_Node_CompareFunc compare = cache->clazz.node_compare;
if ( cache == NULL || anode == NULL )
- return FT_Err_Invalid_Argument;
+ return FTC_Err_Invalid_Argument;
idx = hash & cache->mask;
if ( idx < cache->p )