JAVA抓取像素设置阴影

[java]代码库

/*
 * Copyright (c) 2007, Romain Guy
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *   * Neither the name of the TimingFramework project nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package frc.chapter11.repaintManager;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.Rectangle;

import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.plaf.nimbus.NimbusLookAndFeel;

/**
 * 
 * @author Romain Guy <romain.guy@mac.com>
 */
public class RepaintManagerDemo extends JFrame {

	private ReflectionPanel reflectionPanel;

	public RepaintManagerDemo() {
		super("Repaint Manager Demo");

		setContentPane(new GradientPanel());
		getContentPane().setLayout(new GridBagLayout());

		add(buildReflectionPanel(), new GridBagConstraints(0, 0, 1, 1, 1.0,
				1.0, GridBagConstraints.CENTER, GridBagConstraints.NONE,
				new Insets(96, 96, 96, 96), 0, 0));

		pack();
		setLocationRelativeTo(null);
		setResizable(false);

		setDefaultCloseOperation(EXIT_ON_CLOSE);
	}

	@Override
	public void dispose() {
		super.dispose();
//		QTSession.close();
	}

	private JComponent buildReflectedComponent() {
//		try {
//			Class.forName("quicktime.QTSession");
//		} catch (ClassNotFoundException ex) {
//			return new DummyPanel();
//		}
//
//		try {
//			QTSession.open();
//			String url = "http://images.apple.com/movies/sony_pictures/spider-man_3/spider-man_3-tlr1_h.480.mov";
//			DataRef dRef = new DataRef(url);
//			Movie mov = Movie.fromDataRef(dRef, StdQTConstants.newMovieActive);
//			MoviePlayer player = new MoviePlayer(mov);
//			mov.start();
//			JComponent qtPlayer = QTFactory.makeQTJComponent(player)
//					.asJComponent();
//
//			return qtPlayer;
//		} catch (Exception e) {
//			return new DummyPanel();
//		}
		return new DummyPanel();
	}

	private JComponent buildReflectionPanel() {
		reflectionPanel = new ReflectionPanel();
		reflectionPanel.add(buildReflectedComponent());

		return reflectionPanel;
	}

	private static class GradientPanel extends JPanel {

		GradientPanel() {
			super(new BorderLayout());
		}

		@Override
		protected void paintComponent(Graphics g) {
			Graphics2D g2 = (Graphics2D) g.create();
			g2.setPaint(new GradientPaint(0.0f, getHeight() * 0.22f, new Color(
					0x202737), 0.0f, getHeight() * 0.7f, Color.BLACK, true));
			Rectangle clip = g.getClipBounds();
			g2.fillRect(clip.x, clip.y, clip.width, clip.height);
			g2.dispose();
		}
	}

	public static void main(String[] args) {
		try {
//			UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
			UIManager.setLookAndFeel(new NimbusLookAndFeel());
//		} catch (IllegalAccessException ex) {
//			ex.printStackTrace();
//		} catch (InstantiationException ex) {
//			ex.printStackTrace();
		} catch (UnsupportedLookAndFeelException ex) {
			ex.printStackTrace();
//		} catch (ClassNotFoundException ex) {
//			ex.printStackTrace();
		}

		SwingUtilities.invokeLater(new Runnable() {

			@Override
			public void run() {
				new RepaintManagerDemo().setVisible(true);
			}
		});
	}
}

[代码运行效果截图]

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