diff -r fd16c54261b3 -r 90ce3da70b43 jdk/src/share/classes/java/awt/ImageCapabilities.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/src/share/classes/java/awt/ImageCapabilities.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,81 @@ +/* + * Copyright 2000-2001 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun in the LICENSE file that accompanied this code. + * + * This code 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 + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +package java.awt; + +/** + * Capabilities and properties of images. + * @author Michael Martak + * @since 1.4 + */ +public class ImageCapabilities implements Cloneable { + + private boolean accelerated = false; + + /** + * Creates a new object for specifying image capabilities. + * @param accelerated whether or not an accelerated image is desired + */ + public ImageCapabilities(boolean accelerated) { + this.accelerated = accelerated; + } + + /** + * Returns true if the object whose capabilities are + * encapsulated in this ImageCapabilities can be or is + * accelerated. + * @return whether or not an image can be, or is, accelerated. There are + * various platform-specific ways to accelerate an image, including + * pixmaps, VRAM, AGP. This is the general acceleration method (as + * opposed to residing in system memory). + */ + public boolean isAccelerated() { + return accelerated; + } + + /** + * Returns true if the VolatileImage + * described by this ImageCapabilities can lose + * its surfaces. + * @return whether or not a volatile image is subject to losing its surfaces + * at the whim of the operating system. + */ + public boolean isTrueVolatile() { + return false; + } + + /** + * @return a copy of this ImageCapabilities object. + */ + public Object clone() { + try { + return super.clone(); + } catch (CloneNotSupportedException e) { + // Since we implement Cloneable, this should never happen + throw new InternalError(); + } + } + +}