Different buffer capabilities for each GraphicsConfiguration on each GraphicsDevice : GraphicsEnvironment « 2D Graphics « Java Tutorial

Java Tutorial
1. Language
2. Data Type
3. Operators
4. Statement Control
5. Class Definition
6. Development
7. Reflection
8. Regular Expressions
9. Collections
10. Thread
11. File
12. Generics
13. I18N
14. Swing
15. Swing Event
16. 2D Graphics
17. SWT
18. SWT 2D Graphics
19. Network
20. Database
21. Hibernate
22. JPA
23. JSP
24. JSTL
25. Servlet
26. Web Services SOA
27. EJB3
28. Spring
29. PDF
30. Email
31. J2ME
32. J2EE Application
33. XML
34. Design Pattern
35. Log
36. Security
37. Apache Common
38. Ant
39. JUnit
Java
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Tutorial » 2D Graphics » GraphicsEnvironment 
16. 52. 2. Different buffer capabilities for each GraphicsConfiguration on each GraphicsDevice
/*
 * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  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 Sun Microsystems 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.
 */

/**
 * This test shows the different buffer capabilities for each
 * GraphicsConfiguration on each GraphicsDevice.
 */
import java.awt.BorderLayout;
import java.awt.BufferCapabilities;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.GridLayout;
import java.awt.ImageCapabilities;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.BorderFactory;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

/**
 * This class wraps a graphics configuration so that it can be displayed nicely
 * in components.
 */
class GCWrapper {
  private GraphicsConfiguration gc;
  private int index;

  public GCWrapper(GraphicsConfiguration gc, int index) {
    this.gc = gc;
    this.index = index;
  }

  public GraphicsConfiguration getGC() {
    return gc;
  }

  public String toString() {
    return gc.toString();
  }
}

/**
 * Main frame class.
 */
public class CapabilitiesTest extends JFrame implements ItemListener {

  private JComboBox gcSelection = new JComboBox();
  private JCheckBox imageAccelerated = new JCheckBox("Accelerated"false);
  private JCheckBox imageTrueVolatile = new JCheckBox("Volatile"false);
  private JCheckBox flipping = new JCheckBox("Flipping"false);
  private JLabel flippingMethod = new JLabel("");
  private JCheckBox fullScreen = new JCheckBox("Full Screen Only"false);
  private JCheckBox multiBuffer = new JCheckBox("Multi-Buffering"false);
  private JCheckBox fbAccelerated = new JCheckBox("Accelerated"false);
  private JCheckBox fbTrueVolatile = new JCheckBox("Volatile"false);
  private JCheckBox bbAccelerated = new JCheckBox("Accelerated"false);
  private JCheckBox bbTrueVolatile = new JCheckBox("Volatile"false);

  public CapabilitiesTest(GraphicsDevice dev) {
    super(dev.getDefaultConfiguration());
    addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent ev) {
        System.exit(0);
      }
    });
    initComponents(getContentPane());
    GraphicsConfiguration[] gcs = dev.getConfigurations();
    for (int i = 0; i < gcs.length; i++) {
      gcSelection.addItem(new GCWrapper(gcs[i], i));
    }
    gcSelection.addItemListener(this);
    gcChanged();
  }

  /**
   * Creates and lays out components in the container. See the comments below
   * for an organizational overview by panel.
   */
  private void initComponents(Container c) {
    c.setLayout(new BorderLayout());
    // Graphics Config
    JPanel gcPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
    c.add(gcPanel, BorderLayout.NORTH);
    gcSelection.setPreferredSize(new Dimension(40030));
    gcPanel.add(gcSelection);
    // Capabilities
    JPanel capsPanel = new JPanel(new BorderLayout());
    c.add(capsPanel, BorderLayout.CENTER);
    // Image Capabilities
    JPanel imageCapsPanel = new JPanel(new GridLayout(21));
    capsPanel.add(imageCapsPanel, BorderLayout.NORTH);
    imageCapsPanel.setBorder(BorderFactory
        .createTitledBorder("Image Capabilities"));
    imageAccelerated.setEnabled(false);
    imageCapsPanel.add(imageAccelerated);
    imageTrueVolatile.setEnabled(false);
    imageCapsPanel.add(imageTrueVolatile);
    // Buffer Capabilities
    JPanel bufferCapsPanel = new JPanel(new BorderLayout());
    capsPanel.add(bufferCapsPanel, BorderLayout.CENTER);
    bufferCapsPanel.setBorder(BorderFactory
        .createTitledBorder("Buffer Capabilities"));
    // Buffer Access
    JPanel bufferAccessCapsPanel = new JPanel(new GridLayout(31));
    bufferAccessCapsPanel.setPreferredSize(new Dimension(30088));
    bufferCapsPanel.add(bufferAccessCapsPanel, BorderLayout.NORTH);
    // Flipping
    JPanel flippingPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
    bufferAccessCapsPanel.add(flippingPanel);
    flippingPanel.add(flipping);
    flipping.setEnabled(false);
    flippingPanel.add(flippingMethod);
    // Full-screen
    JPanel fsPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
    bufferAccessCapsPanel.add(fsPanel);
    JPanel indentPanel = new JPanel();
    indentPanel.setPreferredSize(new Dimension(3030));
    fsPanel.add(indentPanel);
    fsPanel.add(fullScreen);
    fullScreen.setEnabled(false);
    // Multi-buffering
    JPanel mbPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
    bufferAccessCapsPanel.add(mbPanel);
    indentPanel = new JPanel();
    indentPanel.setPreferredSize(new Dimension(3030));
    mbPanel.add(indentPanel);
    mbPanel.add(multiBuffer);
    multiBuffer.setEnabled(false);
    // Front and Back Buffer Capabilities
    JPanel buffersPanel = new JPanel(new GridLayout(12));
    bufferCapsPanel.add(buffersPanel, BorderLayout.CENTER);
    // Front Buffer
    JPanel fbPanel = new JPanel(new GridLayout(21));
    fbPanel.setBorder(BorderFactory.createTitledBorder("Front Buffer"));
    buffersPanel.add(fbPanel);
    fbPanel.add(fbAccelerated);
    fbAccelerated.setEnabled(false);
    fbPanel.add(fbTrueVolatile);
    fbTrueVolatile.setEnabled(false);
    // Back Buffer
    JPanel bbPanel = new JPanel(new GridLayout(21));
    bbPanel.setPreferredSize(new Dimension(25080));
    bbPanel.setBorder(BorderFactory
        .createTitledBorder("Back and Intermediate Buffers"));
    buffersPanel.add(bbPanel);
    bbPanel.add(bbAccelerated);
    bbAccelerated.setEnabled(false);
    bbPanel.add(bbTrueVolatile);
    bbTrueVolatile.setEnabled(false);
  }

  public void itemStateChanged(ItemEvent ev) {
    gcChanged();
  }

  private void gcChanged() {
    GCWrapper wrap = (GCWrappergcSelection.getSelectedItem();
    // assert wrap != null;
    GraphicsConfiguration gc = wrap.getGC();
    // assert gc != null;
    // Image Caps
    ImageCapabilities imageCaps = gc.getImageCapabilities();
    imageAccelerated.setSelected(imageCaps.isAccelerated());
    imageTrueVolatile.setSelected(imageCaps.isTrueVolatile());
    // Buffer Caps
    BufferCapabilities bufferCaps = gc.getBufferCapabilities();
    flipping.setSelected(bufferCaps.isPageFlipping());
    flippingMethod.setText(getFlipText(bufferCaps.getFlipContents()));
    fullScreen.setSelected(bufferCaps.isFullScreenRequired());
    multiBuffer.setSelected(bufferCaps.isMultiBufferAvailable());
    // Front buffer caps
    imageCaps = bufferCaps.getFrontBufferCapabilities();
    fbAccelerated.setSelected(imageCaps.isAccelerated());
    fbTrueVolatile.setSelected(imageCaps.isTrueVolatile());
    imageCaps = bufferCaps.getFrontBufferCapabilities();
    // Back buffer caps
    imageCaps = bufferCaps.getBackBufferCapabilities();
    bbAccelerated.setSelected(imageCaps.isAccelerated());
    bbTrueVolatile.setSelected(imageCaps.isTrueVolatile());
  }

  private static String getFlipText(BufferCapabilities.FlipContents flip) {
    if (flip == null) {
      return "";
    else if (flip == BufferCapabilities.FlipContents.UNDEFINED) {
      return "Method Unspecified";
    else if (flip == BufferCapabilities.FlipContents.BACKGROUND) {
      return "Cleared to Background";
    else if (flip == BufferCapabilities.FlipContents.PRIOR) {
      return "Previous Front Buffer";
    else // if (flip == BufferCapabilities.FlipContents.COPIED)
      return "Copied";
    }
  }

  public static void main(String[] args) {
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice[] devices = ge.getScreenDevices();
    for (int i = 0; i < devices.length; i++) {
      CapabilitiesTest tst = new CapabilitiesTest(devices[i]);
      tst.pack();
      tst.setVisible(true);
    }
  }
}
16. 52. GraphicsEnvironment
16. 52. 1. List all fonts system installed
16. 52. 2. Different buffer capabilities for each GraphicsConfiguration on each GraphicsDevice
16. 52. 3. Get all fonts
16. 52. 4. Getting Screen Sizes
16. 52. 5. Getting Refresh Rates
16. 52. 6. Getting Number of Colors
16. 52. 7. Getting the Current Screen Refresh Rate and Number of Colors
16. 52. 8. Getting the Font Faces for a Font Family
16. 52. 9. Get the available font family names
16. 52. 10. Getting Amount of Free Accelerated Image Memory
16. 52. 11. Create an image that does not support transparency from GraphicsConfiguration
16. 52. 12. Create an image that supports transparent pixels from GraphicsConfiguration
16. 52. 13. Create an image that supports arbitrary levels of transparency from GraphicsConfiguration
16. 52. 14. Create buffered images that are compatible with the screen
16. 52. 15. Retrieve and print the graphic device information
16. 52. 16. Generates a table of all available display modes, enters full-screen mode and allows you to change the display mode
16. 52. 17. Setting the Screen Size, Refresh Rate, or Number of Colors
16. 52. 18. If more than one screen is available, gets the size of each screen
16. 52. 19. Computes the maximum bounds of the current screen device. If this method is called on JDK 1.4, Xinerama-aware results are returned.
16. 52. 20. Computes the center point of the current screen device.
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.