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/*
* 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 Alexey A. Petrenko
* @version $Revision$
*/
package java.awt.image;
import java.awt.RenderingHints;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
/**
* The BufferedImageOp interface provides methods for performing transformations
* from source data to destination data for BufferedImage objects. An object
* implementing this interface can be passed into a BufferedImageFilter
* to operate on a BufferedImage.
*/
public interface BufferedImageOp {
/**
* Creates a destination image with the specified BufferedImage and
* ColorModel; this destination image is empty and has the correct size
* and number of bands.
*
* @param src the source BufferedImage.
* @param destCM the destination ColorModel.
*
* @return the BufferedImage.
*/
public BufferedImage createCompatibleDestImage(BufferedImage src, ColorModel destCM);
/**
* Performs a filter operation on the source BufferedImage and stores
* the resulting BufferedImage to the destination BufferedImage. If
* the destination BufferedImage is null, a BufferedImage with an
* appropriate ColorModel is created.
*
* @param src the source BufferedImage.
* @param dest the destination BufferedImage, where the result is stored.
*
* @return the filtered BufferedImage.
*/
public BufferedImage filter(BufferedImage src, BufferedImage dest);
/**
* Gets the bounds of filtered image.
*
* @param src the source BufferedImage to be filtered.
*
* @return the rectangle bounds of filtered image.
*/
public Rectangle2D getBounds2D(BufferedImage src);
/**
* Gets the point of the destination image which corresponds
* to the specified point in the source image.
*
* @param srcPt the point of the source image.
* @param dstPt the point where the result will be stored.
*
* @return the destination point.
*/
public Point2D getPoint2D(Point2D srcPt, Point2D dstPt);
/**
* Gets the RenderingHints of the BufferedImageOp.
*
* @return the RenderingHints of the BufferedImageOp.
*/
public RenderingHints getRenderingHints();
}
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