1 /* ImageCapabilities.java -- the capabilities of an image buffer
2 Copyright (C) 2002, 2005 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
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7 it under the terms of the GNU General Public License as published by
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
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18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
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36 exception statement from your version. */
42 * This class represents the capabilities of an image buffer. An
43 * image buffer may be backed by accelerated graphics resources.
44 * Those resources may or may not be volatile. This class is used to
45 * describe these image buffer characteristics.
47 public class ImageCapabilities
implements Cloneable
50 * Whether or not this the image buffer uses accelerated graphics
53 private final boolean accelerated
;
56 * Create a new image capability descriptor.
58 * @param accelerated true if the image buffer uses accelerated
61 public ImageCapabilities(boolean accelerated
)
63 this.accelerated
= accelerated
;
67 * Returns whether or not the image buffer uses accelerated graphics
70 * @return true if the image buffer uses accelerated graphics
71 * resources; false otherwise
73 public boolean isAccelerated()
79 * Returns whether or not the image buffer's resources are volatile,
80 * meaning that they can be reclaimed by the graphics system at any
83 * @return true if the image buffer's resources are volatile; false
86 public boolean isTrueVolatile()
92 * Clone this image capability descriptor.
94 * @return a clone of this image capability descriptor
100 return super.clone();
102 catch (CloneNotSupportedException e
)
104 throw (Error
) new InternalError().initCause(e
);