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81 lines
2.8 KiB
Java
81 lines
2.8 KiB
Java
/*
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* Copyright (c) 2000, 2011, 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} if the object whose capabilities are
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* encapsulated in this {@code ImageCapabilities} 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} if the {@code VolatileImage}
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* described by this {@code ImageCapabilities} 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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}
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