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diff --git a/basegfx/inc/basegfx/color/bcolormodifier.hxx b/basegfx/inc/basegfx/color/bcolormodifier.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ * 
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _BGFX_COLOR_BCOLORMODIFIER_HXX
+#define _BGFX_COLOR_BCOLORMODIFIER_HXX
+
+#include <basegfx/color/bcolor.hxx>
+#include <vector>
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace basegfx
+{
+    /**	Descriptor for type of color modification
+    */
+    enum BColorModifyMode
+    {
+        BCOLORMODIFYMODE_REPLACE,		// replace all color with local color
+        BCOLORMODIFYMODE_INTERPOLATE,	// interpolate color between given and local with local value
+        BCOLORMODIFYMODE_GRAY,			// convert color to gray
+        BCOLORMODIFYMODE_BLACKANDWHITE	// convert color to B&W, local value is treshhold
+    };
+
+    /**	Class to hold a color, value and mode for a color modification. Color modification is
+        done calling the getModifiedColor() method
+    */
+    class BColorModifier
+    {
+    protected:
+        ::basegfx::BColor							maBColor;
+        double										mfValue;
+        BColorModifyMode							meMode;
+
+    public:
+        BColorModifier(
+            const ::basegfx::BColor& rBColor, 
+            double fValue = 0.5, 
+            BColorModifyMode eMode = BCOLORMODIFYMODE_REPLACE)
+        :	maBColor(rBColor),
+            mfValue(fValue),
+            meMode(eMode)
+        {}
+
+        // compare operator(s)
+        bool operator==(const BColorModifier& rCompare) const
+        {
+            return (maBColor == rCompare.maBColor && mfValue == rCompare.mfValue && meMode == rCompare.meMode);
+        }
+
+        bool operator!=(const BColorModifier& rCompare) const 
+        { 
+            return !(operator==(rCompare)); 
+        }
+
+        // data access
+        const ::basegfx::BColor& getBColor() const { return maBColor; }
+        double getValue() const { return mfValue; }
+        BColorModifyMode getMode() const { return meMode; }
+
+        // compute modified color
+        ::basegfx::BColor getModifiedColor(const ::basegfx::BColor& aSourceColor) const;
+    };
+
+    /**	Class to hold a stack of BColorModifiers and to get the modified color with
+        applying all existing entry changes
+    */
+    class BColorModifierStack
+    {
+    protected:
+        ::std::vector< BColorModifier >				maBColorModifiers;
+
+    public:
+        sal_uInt32 count() const
+        {
+            return maBColorModifiers.size();
+        }
+
+        const BColorModifier& getBColorModifier(sal_uInt32 nIndex) const
+        {
+            OSL_ENSURE(nIndex < count(), "BColorModifierStack: Access out of range (!)");
+            return maBColorModifiers[nIndex];
+        }
+
+        ::basegfx::BColor getModifiedColor(const ::basegfx::BColor& rSource) const
+        {
+            if(count())
+            {
+                ::basegfx::BColor aRetval(rSource);
+                ::std::vector< BColorModifier >::const_iterator aEnd(maBColorModifiers.end());
+
+                while(aEnd != maBColorModifiers.begin())
+                {
+                    aRetval = (--aEnd)->getModifiedColor(aRetval);
+                }
+
+                return aRetval;
+            }
+            else
+            {
+                return rSource;
+            }
+        }
+
+        void push(const BColorModifier& rNew) 
+        { 
+            maBColorModifiers.push_back(rNew); 
+        }
+
+        void pop() 
+        { 
+            maBColorModifiers.pop_back(); 
+        }
+    };
+} // end of namespace basegfx
+
+#endif // _BGFX_COLOR_BCOLORMODIFIER_HXX
+
+//////////////////////////////////////////////////////////////////////////////
+// eof
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */