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diff --git a/digikam/libs/threadimageio/loadingcacheinterface.cpp b/digikam/libs/threadimageio/loadingcacheinterface.cpp
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+++ b/digikam/libs/threadimageio/loadingcacheinterface.cpp
@@ -0,0 +1,73 @@
+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date        : 2006-02-06
+ * Description : shared image loading and caching
+ *
+ * Copyright (C) 2005-2007 by Marcel Wiesweg <marcel.wiesweg@gmx.de>
+ *
+ * This program 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;
+ * either version 2, or (at your option)
+ * any later version.
+ * 
+ * This program 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.
+ *
+ * ============================================================ */
+
+
+#include "loadingcacheinterface.h"
+#include "loadingcache.h"
+
+namespace Digikam
+{
+
+void LoadingCacheInterface::cleanUp()
+{
+    LoadingCache::cleanUp();
+}
+
+void LoadingCacheInterface::cleanFromCache(const QString &filePath)
+{
+    LoadingCache *cache = LoadingCache::cache();
+    LoadingCache::CacheLock lock(cache);
+    QStringList possibleCacheKeys = LoadingDescription::possibleCacheKeys(filePath);
+    for (QStringList::iterator it = possibleCacheKeys.begin(); it != possibleCacheKeys.end(); ++it)
+    {
+        cache->removeImage(*it);
+    }
+}
+
+void LoadingCacheInterface::cleanCache()
+{
+    LoadingCache *cache = LoadingCache::cache();
+    LoadingCache::CacheLock lock(cache);
+    cache->removeImages();
+}
+
+void LoadingCacheInterface::putImage(const QString &filePath, const DImg &img)
+{
+    LoadingCache *cache = LoadingCache::cache();
+    LoadingCache::CacheLock lock(cache);
+    if (cache->isCacheable(&img))
+    {
+        DImg *copy = new DImg(img);
+        copy->detach();
+        cache->putImage(filePath, copy, filePath);
+    }
+}
+
+void LoadingCacheInterface::setCacheOptions(int cacheSize)
+{
+    LoadingCache *cache = LoadingCache::cache();
+    LoadingCache::CacheLock lock(cache);
+    cache->setCacheSize(cacheSize);
+}
+
+}   // namespace Digikam