@@ -0,0 +1,1036 @@
+/*%0A * Copyright (c) 2009 Kathryn Huxtable and Kenneth Orr.%0A *%0A * This file is part of the SeaGlass Pluggable Look and Feel.%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A * %0A * $Id: AbstractImagePainter.java 171 2009-10-06 18:28:14Z kathryn@kathrynhuxtable.org $%0A */%0Apackage com.seaglass.util;%0A%0Aimport java.awt.Graphics;%0A%0Aimport javax.swing.JViewport;%0A%0A/**%0A * Interface implemented by UI delegates that paint onto a JViewport.%0A */%0Apublic interface ViewportPainter %7B%0A    public void paintViewport(Graphics g, JViewport c);%0A%7D%0A

Check in ViewportPainter based on an idea from Quaqua.