Source Code Cross Referenced for Kernel.java in  » Apache-Harmony-Java-SE » java-package » java » awt » image » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.awt.image 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


01:        /*
02:         *  Licensed to the Apache Software Foundation (ASF) under one or more
03:         *  contributor license agreements.  See the NOTICE file distributed with
04:         *  this work for additional information regarding copyright ownership.
05:         *  The ASF licenses this file to You under the Apache License, Version 2.0
06:         *  (the "License"); you may not use this file except in compliance with
07:         *  the License.  You may obtain a copy of the License at
08:         *
09:         *     http://www.apache.org/licenses/LICENSE-2.0
10:         *
11:         *  Unless required by applicable law or agreed to in writing, software
12:         *  distributed under the License is distributed on an "AS IS" BASIS,
13:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14:         *  See the License for the specific language governing permissions and
15:         *  limitations under the License.
16:         */
17:        /**
18:         * @author Oleg V. Khaschansky
19:         * @version $Revision$
20:         *
21:         * @date: Sep 28, 2005
22:         */package java.awt.image;
23:
24:        import org.apache.harmony.awt.internal.nls.Messages;
25:
26:        public class Kernel implements  Cloneable {
27:            private final int xOrigin;
28:            private final int yOrigin;
29:            private int width;
30:            private int height;
31:            float data[];
32:
33:            public Kernel(int width, int height, float[] data) {
34:                int dataLength = width * height;
35:                if (data.length < dataLength) {
36:                    // awt.22B=Length of data should not be less than width*height
37:                    throw new IllegalArgumentException(Messages
38:                            .getString("awt.22B")); //$NON-NLS-1$
39:                }
40:
41:                this .width = width;
42:                this .height = height;
43:
44:                this .data = new float[dataLength];
45:                System.arraycopy(data, 0, this .data, 0, dataLength);
46:
47:                xOrigin = (width - 1) / 2;
48:                yOrigin = (height - 1) / 2;
49:            }
50:
51:            public final int getWidth() {
52:                return width;
53:            }
54:
55:            public final int getHeight() {
56:                return height;
57:            }
58:
59:            public final float[] getKernelData(float[] data) {
60:                if (data == null) {
61:                    data = new float[this .data.length];
62:                }
63:                System.arraycopy(this .data, 0, data, 0, this .data.length);
64:
65:                return data;
66:            }
67:
68:            public final int getXOrigin() {
69:                return xOrigin;
70:            }
71:
72:            public final int getYOrigin() {
73:                return yOrigin;
74:            }
75:
76:            @Override
77:            public Object clone() {
78:                return new Kernel(width, height, data);
79:            }
80:        }
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