com.twelvemonkeys.servlet.image.BufferedImageOpAdapter Maven / Gradle / Ivy

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/*
 * Copyright (c) 2008, Harald Kuhr
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name "TwelveMonkeys" nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.twelvemonkeys.servlet.image;

import javax.servlet.ServletRequest;
import java.awt.image.BufferedImage;
import java.awt.image.BufferedImageOp;
import java.awt.image.RenderedImage;

/**
 * BufferedImageOpAdapter
 *
 * @author $Author: haku $
 * @version $Id: //depot/branches/personal/haraldk/twelvemonkeys/release-2/twelvemonkeys-servlet/src/main/java/com/twelvemonkeys/servlet/image/BufferedImageOpAdapter.java#1 $
 * 
 */
public class BufferedImageOpAdapter extends ImageFilter {

    private BufferedImageOp mFilter = null;

    public void setImageFilter(String pFilterClass) {
        try {
            Class filterClass = Class.forName(pFilterClass);
            mFilter = (BufferedImageOp) filterClass.newInstance();
        }
        catch (ClassNotFoundException e) {
            log("Could not instantiate filter class.", e);
        }
        catch (InstantiationException e) {
            log("Could not instantiate filter.", e);
        }
        catch (IllegalAccessException e) {
            log("Could not access filter class.", e);
        }
    }
    
    protected RenderedImage doFilter(BufferedImage pImage, ServletRequest pRequest, ImageServletResponse pResponse) {
        // Filter & return 
        return mFilter.filter(pImage, null);
    }
}