/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @author Oleg V. Khaschansky
*
* @date: Sep 28, 2005
*/
package com.google.code.appengine.awt.image;
import org.apache.harmony.awt.internal.nls.Messages;
import com.google.code.appengine.awt.image.Kernel;
public class Kernel implements Cloneable {
private final int xOrigin;
private final int yOrigin;
private int width;
private int height;
float data[];
public Kernel(int width, int height, float[] data) {
int dataLength = width*height;
if (data.length < dataLength) {
// awt.22B=Length of data should not be less than width*height
throw new IllegalArgumentException(Messages.getString("awt.22B")); //$NON-NLS-1$
}
this.width = width;
this.height = height;
this.data = new float[dataLength];
System.arraycopy(data, 0, this.data, 0, dataLength);
xOrigin = (width-1)/2;
yOrigin = (height-1)/2;
}
public final int getWidth() {
return width;
}
public final int getHeight() {
return height;
}
public final float[] getKernelData(float[] data) {
if (data == null) {
data = new float[this.data.length];
}
System.arraycopy(this.data, 0, data, 0, this.data.length);
return data;
}
public final int getXOrigin() {
return xOrigin;
}
public final int getYOrigin() {
return yOrigin;
}
@Override
public Object clone() {
return new Kernel(width, height, data);
}
}