Java BufferedImage Compress compress(BufferedImage image, String path)

Description

compress

License

Apache License

Declaration

public static void compress(BufferedImage image, String path) throws FileNotFoundException, IOException 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.awt.image.BufferedImage;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
import javax.imageio.stream.FileImageOutputStream;

public class Main {
    public static void compress(BufferedImage image, String path) throws FileNotFoundException, IOException {
        ImageWriter jpgWriter = ImageIO.getImageWritersByFormatName("jpg").next();
        //      ImageWriter jpgWriter = ImageIO.getImageWritersByFormatName("png").next();

        ImageWriteParam jpgWriteParam = jpgWriter.getDefaultWriteParam();

        if (jpgWriteParam.canWriteCompressed()) {
            jpgWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            jpgWriteParam.setCompressionQuality(0.5f);
        }/*w  w  w.  j  a v a 2 s .c om*/

        if (jpgWriteParam.canWriteProgressive()) {
            jpgWriteParam.setProgressiveMode(javax.imageio.ImageWriteParam.MODE_COPY_FROM_METADATA);
        }

        FileImageOutputStream outputStream = new FileImageOutputStream(new File(path));
        jpgWriter.setOutput(outputStream);
        IIOImage outputImage = new IIOImage(image, null, null);
        jpgWriter.write(null, outputImage, jpgWriteParam);
        jpgWriter.dispose();
    }
}

Related

1. compress(BufferedImage image, float quality)
2. compressImage(BufferedImage originalImage, int type, int width, int height)
3. compression(BufferedImage src, int scale)
4. compressPhoto(Image originImg, int newWidth, int newHeight)