01: /*
02: * Copyright 2007 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package sun.awt.image;
27:
28: import java.awt.GraphicsConfiguration;
29: import java.awt.GraphicsEnvironment;
30: import java.awt.ImageCapabilities;
31: import java.awt.image.BufferedImage;
32: import sun.java2d.SurfaceData;
33: import sun.java2d.loops.CompositeType;
34:
35: /**
36: * This SurfaceManager variant manages the default (software) surface of a
37: * BufferedImage.
38: * All rendering to the image will use the software surface as the destination.
39: * This is one of the more minimalist implementations of SurfaceManager.
40: */
41: public class BufImgSurfaceManager extends SurfaceManager {
42: /**
43: * A reference to the BufferedImage whose contents are being managed.
44: */
45: protected BufferedImage bImg;
46:
47: /**
48: * The default (software) surface containing the contents of the
49: * BufferedImage.
50: */
51: protected SurfaceData sdDefault;
52:
53: public BufImgSurfaceManager(BufferedImage bImg) {
54: this .bImg = bImg;
55: this .sdDefault = BufImgSurfaceData.createData(bImg);
56: }
57:
58: public SurfaceData getPrimarySurfaceData() {
59: return sdDefault;
60: }
61:
62: /**
63: * Called from platform-specific SurfaceData objects to attempt to
64: * auto-restore the contents of an accelerated surface that has been lost.
65: */
66: public SurfaceData restoreContents() {
67: return sdDefault;
68: }
69: }
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