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diff --git a/src/main/java/com/kitfox/svg/composite/AdobeComposite.java b/src/main/java/com/kitfox/svg/composite/AdobeComposite.java
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+/*
+ * AdobeComposite.java
+ *
+ *
+ *  The Salamander Project - 2D and 3D graphics libraries in Java
+ *  Copyright (C) 2004 Mark McKay
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  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
+ *
+ *  Mark McKay can be contacted at mark@kitfox.com.  Salamander and other
+ *  projects can be found at http://www.kitfox.com
+ *
+ * Created on April 1, 2004, 6:40 AM
+ */
+
+package com.kitfox.svg.composite;
+
+import java.awt.*;
+import java.awt.image.*;
+
+/**
+ * @author Mark McKay
+ * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
+ */
+public class AdobeComposite implements Composite
+{
+    public static final int CT_NORMAL = 0;
+    public static final int CT_MULTIPLY = 1;
+    public static final int CT_LAST = 2;
+
+    final int compositeType;
+    final float extraAlpha;
+
+    /** Creates a new instance of AdobeComposite */
+    public AdobeComposite(int compositeType, float extraAlpha)
+    {
+        this.compositeType = compositeType;
+        this.extraAlpha = extraAlpha;
+
+        if (compositeType < 0 || compositeType >= CT_LAST)
+        {
+            new Exception("Invalid composite type").printStackTrace();
+        }
+
+        if (extraAlpha < 0f || extraAlpha > 1f)
+        {
+            new Exception("Invalid alpha").printStackTrace();
+        }
+    }
+
+    public int getCompositeType() { return compositeType; }
+
+    public CompositeContext createContext(ColorModel srcColorModel, ColorModel dstColorModel, RenderingHints hints)
+    {
+        return new AdobeCompositeContext(compositeType, extraAlpha);
+    }
+
+}