| /* GraphicsConfigTemplate.java -- a template for selecting configurations |
| 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., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 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; |
| |
| import java.io.Serializable; |
| |
| /** |
| * This allows filtering an array of GraphicsConfigurations for the best |
| * one based on various requirements. The resulting configuration has had |
| * all non-default attributes set as required to meet or exceed the request. |
| * |
| * @author Eric Blake (ebb9@email.byu.edu) |
| * @see GraphicsConfiguration |
| * @see GraphicsDevice |
| * @since 1.2 |
| * @status updated to 1.4 |
| */ |
| public abstract class GraphicsConfigTemplate implements Serializable |
| { |
| /** |
| * Compatible with JDK 1.2+. |
| */ |
| private static final long serialVersionUID = -8061369279557787079L; |
| |
| /** States that a feature is required to select a configuration. */ |
| public static final int REQUIRED = 1; |
| |
| /** |
| * States that a feature is preferred, but not required, to select a |
| * configuration. In the case of multiple valid configurations, the tie |
| * breaks in favor of the one with the feature. |
| */ |
| public static final int PREFERRED = 2; |
| |
| /** |
| * States that a feature is not necessary in the configuration. In the case |
| * of multiple valid configurations, the tie breaks in favor of the one |
| * without the feature, to reduce overhead. |
| */ |
| public static final int UNNECESSARY = 3; |
| |
| /** |
| * The default constructor. |
| */ |
| public GraphicsConfigTemplate() |
| { |
| } |
| |
| /** |
| * Returns the "best" match among the array of possible configurations, given |
| * the criteria of this template. |
| * |
| * @param array the array to choose from |
| * @return the best match |
| * @throws NullPointerException if array is null |
| */ |
| public abstract GraphicsConfiguration getBestConfiguration |
| (GraphicsConfiguration[] array); |
| |
| /** |
| * Returns true if the given configuration supports all the features required |
| * by this template. |
| * |
| * @param config the configuration to test |
| * @return true if it is a match |
| * @throws NullPointerException if config is null |
| */ |
| public abstract boolean isGraphicsConfigSupported |
| (GraphicsConfiguration config); |
| } // class GraphicsConfigTemplate |