/*
* 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 Igor V. Stolyarov
*/
package com.google.code.appengine.awt.image;
import java.util.Hashtable;
import com.google.code.appengine.awt.image.ColorModel;
import com.google.code.appengine.awt.image.ImageConsumer;
import com.google.code.appengine.awt.image.ImageFilter;
import com.google.code.appengine.awt.image.ImageProducer;
public class ImageFilter implements ImageConsumer, Cloneable {
protected ImageConsumer consumer;
public ImageFilter() {
super();
}
public ImageFilter getFilterInstance(ImageConsumer ic) {
ImageFilter filter = (ImageFilter) clone();
filter.consumer = ic;
return filter;
}
@SuppressWarnings("unchecked")
public void setProperties(Hashtable<?, ?> props) {
Hashtable<Object, Object> fprops;
if (props == null) {
fprops = new Hashtable<Object, Object>();
} else {
fprops = (Hashtable<Object, Object>) props.clone();
}
String propName = "Filters"; //$NON-NLS-1$
String prop = "Null filter"; //$NON-NLS-1$
Object o = fprops.get(propName);
if (o != null) {
if (o instanceof String) {
prop = (String) o + "; " + prop; //$NON-NLS-1$
} else {
prop = o.toString() + "; " + prop; //$NON-NLS-1$
}
}
fprops.put(propName, prop);
consumer.setProperties(fprops);
}
@Override
public Object clone() {
try {
return super.clone();
} catch (CloneNotSupportedException e) {
return null;
}
}
public void resendTopDownLeftRight(ImageProducer ip) {
ip.requestTopDownLeftRightResend(this);
}
public void setColorModel(ColorModel model) {
consumer.setColorModel(model);
}
public void setPixels(int x, int y, int w, int h, ColorModel model, int[] pixels, int off,
int scansize) {
consumer.setPixels(x, y, w, h, model, pixels, off, scansize);
}
public void setPixels(int x, int y, int w, int h, ColorModel model, byte[] pixels, int off,
int scansize) {
consumer.setPixels(x, y, w, h, model, pixels, off, scansize);
}
public void setDimensions(int width, int height) {
consumer.setDimensions(width, height);
}
public void setHints(int hints) {
consumer.setHints(hints);
}
public void imageComplete(int status) {
consumer.imageComplete(status);
}
}