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diff --git a/drawinglayer/source/primitive3d/groupprimitive3d.cxx b/drawinglayer/source/primitive3d/groupprimitive3d.cxx
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+++ b/drawinglayer/source/primitive3d/groupprimitive3d.cxx
@@ -0,0 +1,86 @@
+/*************************************************************************
+ *
+ *  OpenOffice.org - a multi-platform office productivity suite
+ *
+ *  $RCSfile: groupprimitive3d.cxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: aw $ $Date: 2006-10-19 10:38:32 $
+ *
+ *  The Contents of this file are made available subject to
+ *  the terms of GNU Lesser General Public License Version 2.1.
+ *
+ *
+ *    GNU Lesser General Public License Version 2.1
+ *    =============================================
+ *    Copyright 2005 by Sun Microsystems, Inc.
+ *    901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *    This library is free software; you can redistribute it and/or
+ *    modify it under the terms of the GNU Lesser General Public
+ *    License version 2.1, as published by the Free Software Foundation.
+ *
+ *    This library 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
+ *    Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public
+ *    License along with this library; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *    MA  02111-1307  USA
+ *
+ ************************************************************************/
+
+#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE3D_GROUPPRIMITIVE3D_HXX
+#include <drawinglayer/primitive3d/groupprimitive3d.hxx>
+#endif
+
+//////////////////////////////////////////////////////////////////////////////
+
+using namespace com::sun::star;
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace drawinglayer
+{
+    namespace primitive3d
+    {
+        /// default: just return children, so all renderers not supporting group will use it's content
+        Primitive3DSequence GroupPrimitive3D::createLocalDecomposition(double /*fTime*/) const
+        {
+            return getChildren();
+        }
+
+        GroupPrimitive3D::GroupPrimitive3D( const Primitive3DSequence& rChildren )
+        :   BasePrimitive3D(),
+            maChildren(rChildren)
+        {
+        }
+
+        /** The compare opertator uses the Sequence::==operator, so only checking if
+            the rererences are equal. All non-equal references are interpreted as
+            non-equal.
+         */
+        bool GroupPrimitive3D::operator==( const BasePrimitive3D& rPrimitive ) const
+        {
+            if(BasePrimitive3D::operator==(rPrimitive))
+            {
+                const GroupPrimitive3D& rCompare = static_cast< const GroupPrimitive3D& >(rPrimitive);
+
+                return (arePrimitive3DSequencesEqual(getChildren(), rCompare.getChildren()));
+            }
+
+            return false;
+        }
+
+        sal_uInt32 GroupPrimitive3D::getPrimitiveID() const
+        {
+            return Create3DPrimitiveID('3','G','r','o');
+        }
+    } // end of namespace primitive3d
+} // end of namespace drawinglayer
+
+//////////////////////////////////////////////////////////////////////////////
+// eof