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/* ImageCapabilities.java -- the capabilities of an image buffer

   Copyright (C) 2002, 2005 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2, or (at your option)

any later version.

GNU Classpath 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 for more details.

You should have received a copy of the GNU General Public License

along with GNU Classpath; see the file COPYING.  If not, write to the

Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301 USA.

Linking this library statically or dynamically with other modules is

making a combined work based on this library.  Thus, the terms and

conditions of the GNU General Public License cover the whole

combination.

As a special exception, the copyright holders of this library give you

permission to link this library with independent modules to produce an

executable, regardless of the license terms of these independent

modules, and to copy and distribute the resulting executable under

terms of your choice, provided that you also meet, for each linked

independent module, the terms and conditions of the license of that

module.  An independent module is a module which is not derived from

or based on this library.  If you modify this library, you may extend

this exception to your version of the library, but you are not

obligated to do so.  If you do not wish to do so, delete this

exception statement from your version. */

package java.awt;

/**

 * This class represents the capabilities of an image buffer.  An

 * image buffer may be backed by accelerated graphics resources.

 * Those resources may or may not be volatile.  This class is used to

 * describe these image buffer characteristics.

 */

public class ImageCapabilities implements Cloneable

{

  /**

   * Whether or not this the image buffer uses accelerated graphics

   * resources.

   */

  private final boolean accelerated;

  /**

   * Create a new image capability descriptor.

   *

   * @param accelerated true if the image buffer uses accelerated

   * graphics resources

   */

  public ImageCapabilities(boolean accelerated)

  {

    this.accelerated = accelerated;

  }

  /**

   * Returns whether or not the image buffer uses accelerated graphics

   * resources.

   *

   * @return true if the image buffer uses accelerated graphics

   * resources; false otherwise

   */

  public boolean isAccelerated()

  {

    return accelerated;

  }

  /**

   * Returns whether or not the image buffer's resources are volatile,

   * meaning that they can be reclaimed by the graphics system at any

   * time.

   *

   * @return true if the image buffer's resources are volatile; false

   * otherwise

   */

  public boolean isTrueVolatile()

  {

    return true;

  }

  /**

   * Clone this image capability descriptor.

   *

   * @return a clone of this image capability descriptor

   */

  public Object clone()

  {

    try

      {

        return super.clone();

      }

    catch (CloneNotSupportedException e)

      {

        throw (Error) new InternalError().initCause(e);

      }

  }

}