jdk/src/share/classes/java/awt/ImageCapabilities.java
author sherman
Tue, 30 Aug 2011 11:53:11 -0700
changeset 10419 12c063b39232
parent 5506 202f599c92aa
child 23010 6dadb192ad81
permissions -rw-r--r--
7084245: Update usages of InternalError to use exception chaining Summary: to use new InternalError constructor with cause chainning Reviewed-by: alanb, ksrini, xuelei, neugens Contributed-by: sebastian.sickelmann@gmx.de
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/*
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 * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package java.awt;
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/**
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 * Capabilities and properties of images.
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 * @author Michael Martak
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 * @since 1.4
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 */
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public class ImageCapabilities implements Cloneable {
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    private boolean accelerated = false;
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    /**
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     * Creates a new object for specifying image capabilities.
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     * @param accelerated whether or not an accelerated image is desired
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     */
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    public ImageCapabilities(boolean accelerated) {
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        this.accelerated = accelerated;
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    }
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    /**
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     * Returns <code>true</code> if the object whose capabilities are
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     * encapsulated in this <code>ImageCapabilities</code> can be or is
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     * accelerated.
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     * @return whether or not an image can be, or is, accelerated.  There are
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     * various platform-specific ways to accelerate an image, including
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     * pixmaps, VRAM, AGP.  This is the general acceleration method (as
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     * opposed to residing in system memory).
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     */
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    public boolean isAccelerated() {
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        return accelerated;
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    }
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    /**
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     * Returns <code>true</code> if the <code>VolatileImage</code>
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     * described by this <code>ImageCapabilities</code> can lose
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     * its surfaces.
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     * @return whether or not a volatile image is subject to losing its surfaces
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     * at the whim of the operating system.
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     */
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    public boolean isTrueVolatile() {
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        return false;
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    }
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    /**
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     * @return a copy of this ImageCapabilities object.
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     */
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    public Object clone() {
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        try {
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            return super.clone();
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        } catch (CloneNotSupportedException e) {
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            // Since we implement Cloneable, this should never happen
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            throw new InternalError(e);
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        }
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    }
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}