1/*
2 * Copyright (c) 1995, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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24 */
25package java.awt.peer;
26
27import java.awt.Canvas;
28import java.awt.GraphicsConfiguration;
29
30/**
31 * The peer interface for {@link Canvas}.
32 *
33 * The peer interfaces are intended only for use in porting
34 * the AWT. They are not intended for use by application
35 * developers, and developers should not implement peers
36 * nor invoke any of the peer methods directly on the peer
37 * instances.
38 */
39public interface CanvasPeer extends ComponentPeer {
40    /**
41     * Requests a GC that best suits this Canvas. The returned GC may differ
42     * from the requested GC passed as the argument to this method. This method
43     * must return a non-null value (given the argument is non-null as well).
44     *
45     * @param gc the requested graphics configuration
46     * @return a graphics configuration that best suits this Canvas
47     * @since 1.7
48     */
49    GraphicsConfiguration getAppropriateGraphicsConfiguration(
50            GraphicsConfiguration gc);
51}
52