A simple method to convert an image to binary or B/W image. - Java 2D Graphics

Java examples for 2D Graphics:BufferedImage Convert

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Description

A simple method to convert an image to binary or B/W image.

Demo Code

/**// w w  w. j a v a 2s  .  c  o m
 * Copyright @ 2008 Quan Nguyen
 *
 * Licensed 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.
 */
//package com.java2s;
import java.awt.Graphics2D;

import java.awt.image.BufferedImage;

public class Main {
    /**
     * A simple method to convert an image to binary or B/W image.
     * 
     * @param image Input image
     * @return 
     */
    public static BufferedImage convertImage2Binary(BufferedImage image) {
        BufferedImage tmp = new BufferedImage(image.getWidth(),
                image.getHeight(), BufferedImage.TYPE_BYTE_BINARY);
        Graphics2D g2 = tmp.createGraphics();
        g2.drawImage(image, 0, 0, null);
        g2.dispose();
        return tmp;
    }
}

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