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+/*************************************************************************
+ *
+ *  OpenOffice.org - a multi-platform office productivity suite
+ *
+ *  $RCSfile: UnifiedTransparencePrimitive2D.hxx,v $
+ *
+ *  $Revision: 1.3 $
+ *
+ *  last change: $Author: aw $ $Date: 2008-05-27 14:11:17 $
+ *
+ *  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_PRIMITIVE2D_UNIFIEDTRANSPARENCEPRIMITIVE2D_HXX
+#define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_UNIFIEDTRANSPARENCEPRIMITIVE2D_HXX
+
+#include <drawinglayer/primitive2d/groupprimitive2d.hxx>
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace drawinglayer
+{
+    namespace primitive2d
+    {
+        /** UnifiedTransparencePrimitive2D class
+
+            This primitive encapsualtes a child hierarchy and defines
+            that it shall be visualized with the given transparency. That
+            transparency is unique for all contained geometry, so that
+            e.g. overlapping polygons in the child geometry will not show
+            regions of combined transparency, but be all rendered with the
+            defined, single transparency.
+         */
+        class UnifiedTransparencePrimitive2D : public GroupPrimitive2D
+        {
+        private:
+            /// the unified transparence
+            double                              mfTransparence;
+
+        public:
+            /// constructor
+            UnifiedTransparencePrimitive2D(
+                const Primitive2DSequence& rChildren,
+                double fTransparence);
+
+            /// data read access
+            double getTransparence() const { return mfTransparence; }
+
+            /// compare operator
+            virtual bool operator==(const BasePrimitive2D& rPrimitive) const;
+
+            /// own getB2DRange implementation to include transparent geometries to BoundRect calculations
+            virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const;
+
+            /// create decomposition
+            virtual Primitive2DSequence get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const;
+
+            /// provide unique ID
+            DeclPrimitrive2DIDBlock()
+        };
+    } // end of namespace primitive2d
+} // end of namespace drawinglayer
+
+//////////////////////////////////////////////////////////////////////////////
+
+#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_UNIFIEDTRANSPARENCEPRIMITIVE2D_HXX
+
+//////////////////////////////////////////////////////////////////////////////
+// eof