image resizing

import java.awt.AlphaComposite;

import java.awt.Graphics2D;

import java.awt.RenderingHints;

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.IOException;

import javax.imageio.ImageIO;

public class image_sizer{

private static final int IMG_WIDTH = 100;

private static final int IMG_HEIGHT = 100;

public static void main(String[] args) {

try {

BufferedImage originalImage = ImageIO.read(new File("c:\\3.jpg"));

int type = originalImage.getType() == 0 ? BufferedImage.TYPE_INT_ARGB : originalImage.getType();

BufferedImage resizeImageJpg = resizeImage(originalImage, type);

ImageIO.write(resizeImageJpg, "jpg", new File("c:\\3.jpg"));

BufferedImage resizeImagePng = resizeImage(originalImage, type);

ImageIO.write(resizeImagePng, "png", new File("c:\\3.jpg"));

BufferedImage resizeImageHintJpg = resizeImageWithHint(originalImage, type);

ImageIO.write(resizeImageHintJpg, "jpg", new File("c:\\3.jpg"));

BufferedImage resizeImageHintPng = resizeImageWithHint(originalImage, type);

ImageIO.write(resizeImageHintPng, "png", new File("c:\\3.jpg"));

System.out.println("Greetings ! from stark9000");

} catch (IOException e) {

System.out.println(e.getMessage());

}

}

private static BufferedImage resizeImage(BufferedImage originalImage, int type) {

BufferedImage resizedImage = new BufferedImage(IMG_WIDTH, IMG_HEIGHT, type);

Graphics2D g = resizedImage.createGraphics();

g.drawImage(originalImage, 0, 0, IMG_WIDTH, IMG_HEIGHT, null);

g.dispose();

return resizedImage;

}

private static BufferedImage resizeImageWithHint(BufferedImage originalImage, int type) {

BufferedImage resizedImage = new BufferedImage(IMG_WIDTH, IMG_HEIGHT, type);

Graphics2D g = resizedImage.createGraphics();

g.drawImage(originalImage, 0, 0, IMG_WIDTH, IMG_HEIGHT, null);

g.dispose();

g.setComposite(AlphaComposite.Src);

g.setRenderingHint(RenderingHints.KEY_INTERPOLATION,

RenderingHints.VALUE_INTERPOLATION_BILINEAR);

g.setRenderingHint(RenderingHints.KEY_RENDERING,

RenderingHints.VALUE_RENDER_QUALITY);

g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,

RenderingHints.VALUE_ANTIALIAS_ON);

return resizedImage;

}

}

you can modify code as you want , good luck :)))