/*

 * Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.

 *

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 * 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 Oracle or 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

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 * 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.applet.Applet;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

/**

 * 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 main 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 main(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=====================================================+

        // ++=gcPanel==============================================+

        // ++                    [gcSelection]                     +

        // ++=capsPanel============================================+

        // +++=imageCapsPanel======================================+

        // +++ [imageAccelerated]                                  +

        // +++ [imageTrueVolatile]                                 +

        // +++=bufferCapsPanel=====================================+

        // ++++=bufferAccessCapsPanel==============================+

        // +++++=flippingPanel=====================================+

        // +++++ [flipping]                                        +

        // +++++=fsPanel===========================================+

        // +++++ [indentPanel][fullScreen]                         +

        // +++++=mbPanel===========================================+

        // +++++ [indentPanel][multiBuffer]                        +

        // ++++=buffersPanel=======================================+

        // +++++=fbPanel===============+=bbPanel===================+

        // +++++                       +                           +

        // +++++ [fbAccelerated]       + [bbAccelerated]           +

        // +++++                       +                           +

        // +++++ [fbTrueVolatile]      + [bbTrueVolatile]          +

        // +++++                       +                           +

        // +=======================================================+

        c.setLayout(new BorderLayout());

        // Graphics Config

        JPanel gcPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));

        c.add(gcPanel, BorderLayout.NORTH);

        gcSelection.setPreferredSize(new Dimension(400, 30));

        gcPanel.add(gcSelection);

        // Capabilities

        JPanel capsPanel = new JPanel(new BorderLayout());

        c.add(capsPanel, BorderLayout.CENTER);

        // Image Capabilities

        JPanel imageCapsPanel = new JPanel(new GridLayout(2, 1));

        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(3, 1));

        bufferAccessCapsPanel.setPreferredSize(new Dimension(300, 88));

        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(30, 30));

        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(30, 30));

        mbPanel.add(indentPanel);

        mbPanel.add(multiBuffer);

        multiBuffer.setEnabled(false);

        // Front and Back Buffer Capabilities

        JPanel buffersPanel = new JPanel(new GridLayout(1, 2));

        bufferCapsPanel.add(buffersPanel, BorderLayout.CENTER);

        // Front Buffer

        JPanel fbPanel = new JPanel(new GridLayout(2, 1));

        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(2, 1));

        bbPanel.setPreferredSize(new Dimension(250, 80));

        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 = (GCWrapper)gcSelection.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++) {

            main tst = new main(devices[i]);

            tst.pack();

            tst.setVisible(true);

        }

    }

}