/**
* COPYRIGHT. Harry Wu 2010. ALL RIGHTS RESERVED.
* Project: EasyPhoto
* Author: Harry Wu
* 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 and then retrieve to BufferedImage
* @param image BufferedImage
* @param outputFile output image file
* @param quality quality of output image
* @return retrieve stored image
*/
public static BufferedImage storeAndRetrieveImage(BufferedImage image,File outputFile,float quality){
try{
if(storeImage(image,outputFile,quality)){
return ImageIO.read(outputFile);
}
}catch(Exception e){
e.printStackTrace();
}
return null;
}
/**
* 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;
}
}