Mirror an image

From:
pgmbento93@gmail.com
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 1 Apr 2014 07:44:03 -0700 (PDT)
Message-ID:
<2299213c-18fc-4e55-ab39-22dce863b255@googlegroups.com>
hi, i was confronted with this problem. i was given a code where i have to =
mirror an image at the middle. so the image needs to be divided and then i =
have to mirror the image. this is the code:

package tps.tp1.pack3Arrays;

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;

/**
 * Esta classe visa aplicar uma transformada ao pixel a uma imagem. Coloque=
 a
 * imagem na raiz do seu projecto java.
 *
 * @author ateofilo
 *
 */
public class C07BitmapTransform {

    // TODO este =E9 o m=E9todo para implementar o espelhamento
    // s=F3 devem utilizar os m=E9todos de image.getRGB e image.SetRGB
    public static void transformImage(BufferedImage image) {
        // obter a altura e largura da imagem em pixels
        int height = image.getHeight();
        int width = image.getWidth();
    =09
        // percorrer todos os pixels da imagem
        for (int y = 0; y < height; y++) {
            for (int x = 0; x < width; x++) {
                int pixelRGB = image.getRGB(x, y);
                int newPixelColor = pixelRGB;
                // TODO retirar o coment=E1rio da linha seguinte, para teste
                newPixelColor = pixelRGB + 0xFF;
                newPixelColor = pixelRGB & 0xFF;
                newPixelColor = pixelRGB & 0xFF00;
                newPixelColor = pixelRGB & 0xFF0000;

                image.setRGB(x, y, newPixelColor);
            }
        }
    }

    /**
     * M=E9todo de inicializa=E7=E3o da frame
     *
     * @throws IOException
     */
    public static void init() throws IOException {
        // criar uma JFrame
        JFrame frame = new JFrame();
        // colocar umas dimens=F5es simp=E1ticas
        frame.setSize(1000, 900);
        // centr=E1-la
        frame.setLocationRelativeTo(null);

        // Ler a imagem para uma BufferedImage
        BufferedImage image = ImageIO.read(new File("image1.jpg"));

        // Executar a transforma=E7=E3o =E0 imagem
        transformImage(image);

        // mostrar a imagem no centro de um JLabel
        ImageIcon img = new ImageIcon(image);
        JLabel label = new JLabel(img, JLabel.CENTER);
        // Adicionar a label =E0 frame
        frame.add(label);

        // colocar a frame vis=EDvel
        frame.setVisible(true);
    }

    /**
     * M=E9todo main
     *
     * @param args
     */
    public static void main(String[] args) {
        // enviar a ac=E7=E3o para execu=E7=E3o
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                try {
                    // init() =E9 a ac=E7=E3o a executar
                    init();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }

}

dont pay attention to the the comments.. what can i do? im new in java and =
i dont know what to do

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