import KernelEx-4.5-Beta2

apilibs/kexbasen/gdi32/ScriptCache.cpp

@@ -0,0 +1,100 @@
+/*
+ *  KernelEx
+ *  Copyright (C) 2010, Tihiy, Xeno86
+ *
+ *  This file is part of KernelEx source code.
+ *
+ *  KernelEx is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published
+ *  by the Free Software Foundation; version 2 of the License.
+ *
+ *  KernelEx is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GNU Make; see the file COPYING.  If not, write to
+ *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "ScriptCache.h"
+
+ScriptCache ScriptCache::instance;
+
+ScriptCache::ScriptCache()
+{
+	InitializeCriticalSection(&cs);
+}
+
+ScriptCache::~ScriptCache()
+{
+	DeleteCriticalSection(&cs);
+}
+
+SCRIPT_CACHE ScriptCache::GetCache(HFONT hFont)
+{	
+	list<FONTCACHE>::const_iterator it;
+	for (it = cache.begin(); it != cache.end(); it++)
+	{
+		if (it->hFont == hFont)
+			return it->cache;
+	}
+	return NULL;
+}
+
+void ScriptCache::SetCache(HFONT hFont,SCRIPT_CACHE newcache)
+{
+	list<FONTCACHE>::iterator it;
+	for (it = cache.begin(); it != cache.end(); it++)
+	{
+		if (it->hFont == hFont)
+			break;
+	}
+	if (it == cache.end())
+	{
+		FONTCACHE fc;
+		fc.hFont = hFont;
+		fc.cache = newcache;
+		cache.push_front(fc);
+	}
+	else
+	{
+		it->cache = newcache;
+		cache.splice(cache.begin(), cache, it);
+	}
+
+	if (cache.size() > MAXSCRIPTCACHESIZE)
+	{
+		list<FONTCACHE>::reference ref = cache.back();
+		ScriptFreeCache(&ref.cache);
+		cache.pop_back();
+	}	
+}
+
+void ScriptCache::ResetCache(HFONT hFont)
+{
+	Lock();
+	list<FONTCACHE>::iterator it;
+	for (it = cache.begin(); it != cache.end(); it++)
+	{
+		if (it->hFont == hFont)
+		{
+			ScriptFreeCache(&it->cache);
+			cache.erase(it);
+			break;
+		}
+	}	
+	Unlock();
+}
+
+void ScriptCache::Lock()
+{
+	EnterCriticalSection(&cs);
+}
+
+void ScriptCache::Unlock()
+{
+	LeaveCriticalSection(&cs);
+}