ImageUtil.java Source code

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Here is the source code for ImageUtil.java

Source

/**
 * COPYRIGHT. Harry Wu 2010. ALL RIGHTS RESERVED.
 * Project: EasyPhoto
 * Author: Harry Wu <harrywu304@gmail.com>
 * Created On: Jun 28, 2008 5:12:21 PM
 *
 */
//package org.shaitu.easyphoto.util;

import java.awt.Image;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.IndexColorModel;
import java.awt.image.WritableRaster;
import java.io.File;
import java.util.Iterator;
import java.util.List;
import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
import javax.imageio.plugins.jpeg.JPEGImageWriteParam;
import javax.imageio.stream.ImageOutputStream;
import javax.swing.ImageIcon;

/**
 * userful methods about image
 * @author harry
 */
public class ImageUtil {
    public final static String JPEG = "jpeg";
    public final static String JPG = "jpg";
    public final static String BMP = "bmp";
    public final static String PNG = "png";
    public final static String GIF = "gif";
    public final static String TIFF = "tiff";
    public final static String TIF = "tif";

    /**
     * store BufferedImage to file
     * @param image BufferedImage
     * @param outputFile output image file
     * @param quality quality of output image
     * @return true success, else fail
     */
    public static boolean storeImage(BufferedImage image, File outputFile, float quality) {
        try {
            //reconstruct folder structure for image file output
            if (outputFile.getParentFile() != null && !outputFile.getParentFile().exists()) {
                outputFile.getParentFile().mkdirs();
            }
            if (outputFile.exists()) {
                outputFile.delete();
            }
            //get image file suffix
            String extName = "png";
            //get registry ImageWriter for specified image suffix
            Iterator writers = ImageIO.getImageWritersByFormatName(extName);
            ImageWriter imageWriter = (ImageWriter) writers.next();
            //set image output params
            ImageWriteParam params = new JPEGImageWriteParam(null);
            params.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            params.setCompressionQuality(quality);
            params.setProgressiveMode(javax.imageio.ImageWriteParam.MODE_DISABLED);
            params.setDestinationType(new ImageTypeSpecifier(IndexColorModel.getRGBdefault(),
                    IndexColorModel.getRGBdefault().createCompatibleSampleModel(16, 16)));
            //writer image to file
            ImageOutputStream imageOutputStream = ImageIO.createImageOutputStream(outputFile);
            imageWriter.setOutput(imageOutputStream);
            imageWriter.write(null, new IIOImage(image, null, null), params);
            imageOutputStream.close();
            imageWriter.dispose();
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }
}