Added abandoned KDE3 version of kbarcode

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kbarcode@1090667 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 64 insertions, 0 deletions

diff --git a/kbarcode/referencecounted.h b/kbarcode/referencecounted.h
new file mode 100644
index 0000000..684cd21
--- /dev/null
+++ b/kbarcode/referencecounted.h
@@ -0,0 +1,64 @@
+/***************************************************************************
+                         referencecounted.h  -  description
+                             -------------------
+    begin                : Mo Apr 18 2005
+    copyright            : (C) 2005 by Dominik Seichter
+    email                : domseichter@web.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 of the License, or     
+    (at your option) any later version.                                   
+                                                                          
+ ***************************************************************************/
+
+#ifndef REFERENCE_COUNTED_H
+#define REFERENCE_COUNTED_H
+
+/** 
+ * A class to make objects reference counted.
+ * Most likely you will want to subclass this class.
+ * @see TCanvasItem for an example.
+ * 
+ * Whenever you get a reference to a ReferenceCounted
+ * object, call addRef(). Whenever you do not need
+ * the object anymore, call remRef().
+ *
+ * When the reference count reaches 0, the object
+ * deletes itself.
+ */
+
+
+class ReferenceCounted {
+    public:
+        ReferenceCounted():m_counter(0) {}
+        virtual ~ReferenceCounted() {}
+
+        inline void addRef()
+        {
+            m_counter++;
+        }
+
+
+        inline void remRef()
+        {
+            if(--m_counter == 0) delete this;
+        }
+
+
+        inline unsigned int refCount()
+        {
+            return m_counter;
+        }
+
+    private:
+	unsigned int m_counter;
+
+};
+
+#endif // REFERENCE_COUNTED_H
+
+