1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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).
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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 
BufImgSurfaceManager(BufferedImage bImg)53     public BufImgSurfaceManager(BufferedImage bImg) {
54         this.bImg = bImg;
55         this.sdDefault = BufImgSurfaceData.createData(bImg);
56     }
57 
getPrimarySurfaceData()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      */
restoreContents()66     public SurfaceData restoreContents() {
67         return sdDefault;
68     }
69 }
70