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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
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 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package javax.swing.plaf.nimbus;

import javax.swing.Painter;

import javax.swing.JComponent;
import javax.swing.UIManager;
import javax.swing.plaf.UIResource;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Color;
import java.awt.image.BufferedImage;

TableScrollPaneCorner - A simple component that paints itself using the table header background painter. It is used to fill the top right corner of scrollpane.
Author:Created by Jasper Potts (Jan 28, 2008)
/** * TableScrollPaneCorner - A simple component that paints itself using the table * header background painter. It is used to fill the top right corner of * scrollpane. * * @author Created by Jasper Potts (Jan 28, 2008) */
@SuppressWarnings("serial") // Superclass is not serializable across versions class TableScrollPaneCorner extends JComponent implements UIResource{
Paint the component using the Nimbus Table Header Background Painter
/** * Paint the component using the Nimbus Table Header Background Painter */
@Override protected void paintComponent(Graphics g) { @SuppressWarnings("unchecked") Painter<JComponent> painter = (Painter) UIManager.get( "TableHeader:\"TableHeader.renderer\"[Enabled].backgroundPainter"); if (painter != null){ if (g instanceof Graphics2D){ painter.paint((Graphics2D)g,this,getWidth()+1,getHeight()); } else { // paint using image to not Graphics2D to support // Java 1.1 printing API BufferedImage img = new BufferedImage(getWidth(),getHeight(), BufferedImage.TYPE_INT_ARGB); Graphics2D g2 = (Graphics2D)img.getGraphics(); painter.paint(g2,this,getWidth()+1,getHeight()); g2.dispose(); g.drawImage(img,0,0,null); img = null; } } } }