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diff --git a/drawinglayer/source/primitive2d/unifiedalphaprimitive2d.cxx b/drawinglayer/source/primitive2d/unifiedalphaprimitive2d.cxx
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+++ b/drawinglayer/source/primitive2d/unifiedalphaprimitive2d.cxx
@@ -0,0 +1,124 @@
+/*************************************************************************
+ *
+ *  OpenOffice.org - a multi-platform office productivity suite
+ *
+ *  $RCSfile: unifiedalphaprimitive2d.cxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: aw $ $Date: 2006-10-19 10:35:04 $
+ *
+ *  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_UNIFIEDALPHAPRIMITIVE2D_HXX
+#include <drawinglayer/primitive2d/unifiedalphaprimitive2d.hxx>
+#endif
+
+#ifndef _BGFX_POLYGON_B2DPOLYGON_HXX
+#include <basegfx/polygon/b2dpolygon.hxx>
+#endif
+
+#ifndef _BGFX_POLYGON_B2DPOLYGONTOOLS_HXX
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#endif
+
+#ifndef _BGFX_COLOR_BCOLOR_HXX
+#include <basegfx/color/bcolor.hxx>
+#endif
+
+#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_POLYPOLYGONPRIMITIVE2D_HXX
+#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
+#endif
+
+#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_ALPHAPRIMITIVE2D_HXX
+#include <drawinglayer/primitive2d/alphaprimitive2d.hxx>
+#endif
+
+//////////////////////////////////////////////////////////////////////////////
+
+using namespace com::sun::star;
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace drawinglayer
+{
+    namespace primitive2d
+    {
+        Primitive2DSequence UnifiedAlphaPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& rViewInformation) const
+        {
+            if(0.0 == getAlpha())
+            {
+                // no transparence used, so just use the content
+                return getChildren();
+            }
+            else if(getAlpha() > 0.0 && getAlpha() < 1.0)
+            {
+                // create fill polygon for TransparenceList
+                const basegfx::B2DPolygon aPolygon(basegfx::tools::createPolygonFromRect(getB2DRangeFromPrimitive2DSequence(getChildren(), rViewInformation)));
+                const basegfx::BColor aGray(getAlpha(), getAlpha(), getAlpha());
+                const Primitive2DReference xRefA(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aPolygon), aGray));
+                const Primitive2DSequence aAlphaContent(&xRefA, 1L);
+
+                // create sub-transparence group with a gray-colored rectangular fill polygon
+                const Primitive2DReference xRefB(new AlphaPrimitive2D(getChildren(), aAlphaContent));
+                return Primitive2DSequence(&xRefB, 1L);
+            }
+            else
+            {
+                // completely transparent or invalid definition, add nothing
+                return Primitive2DSequence();
+            }
+        }
+
+        UnifiedAlphaPrimitive2D::UnifiedAlphaPrimitive2D(
+            const Primitive2DSequence& rChildren,
+            double fAlpha)
+        :   GroupPrimitive2D(rChildren),
+            mfAlpha(fAlpha)
+        {
+        }
+
+        bool UnifiedAlphaPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
+        {
+            if(GroupPrimitive2D::operator==(rPrimitive))
+            {
+                const UnifiedAlphaPrimitive2D& rCompare = (UnifiedAlphaPrimitive2D&)rPrimitive;
+
+                return (getAlpha() == rCompare.getAlpha());
+            }
+
+            return false;
+        }
+
+        sal_uInt32 UnifiedAlphaPrimitive2D::getPrimitiveID() const
+        {
+            return Create2DPrimitiveID('2','U','A','l');
+        }
+    } // end of namespace primitive2d
+} // end of namespace drawinglayer
+
+//////////////////////////////////////////////////////////////////////////////
+// eof