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package aufgaben.imageio;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import javax.imageio.ImageIO;
import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.JTextField;
import javax.swing.SpinnerNumberModel;
import aufgaben.Aufgabe;
import misc.CompressedImage;
import misc.Stapel;
import misc.Utils;
public class Komprimierung1 extends Aufgabe {
private final int width = 500, height = 500;
private boolean done = false;
private String name;
private JPanel panel;
private JTextField inPath, outPath;
private JButton readButton, writeButton, compButton;
private JSpinner spinnerWidth, spinnerHeight, spinnerColors;
private BufferedImage bild, towrite;
private CompressedImage compressed;
private ArrayList<Byte[]> compData;
public Komprimierung1() {
name = "Komprimierung 1";
this.setSize(width, height);
this.setTitle(name);
this.addWindowListener(
new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
System.out.println("close");
done = true;
}
}
);
this.setLayout(null);
}
@Override
public boolean done() {
return done;
}
@Override
public String getName() {
return name;
}
@Override
public void init() {
inPath = new JTextField();
inPath.setBounds(20, 40, 150, 20);
outPath = new JTextField();
outPath.setBounds(20, 70, 150, 20);
readButton = new JButton("Lesen");
readButton.setBounds(180, 40, 100, 20);
readButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
//bild = readImage(new File(inPath.getText()));
try {
bild = ImageIO.read(new File("title.png"));
} catch (IOException e) {
e.printStackTrace();
}
towrite = new BufferedImage(bild.getWidth(), bild.getHeight(), bild.getType());
for(int x = 0, width = towrite.getWidth(); x<width; x++) {
for(int y = 0, height = towrite.getHeight(); y<height; y++) {
towrite.setRGB(x, y, bild.getRGB(x, y));
}
}
panel.repaint();
}
});
writeButton = new JButton("Schreiben");
writeButton.setBounds(180, 70, 100, 20);
writeButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
writeImage(new File(outPath.getText()));
}
});
spinnerWidth = new JSpinner(new SpinnerNumberModel(32, 1, 4096, 1));
spinnerWidth.setBounds(290, 40, 50, 20);
spinnerHeight = new JSpinner(new SpinnerNumberModel(32, 1, 4096, 1));
spinnerHeight.setBounds(350, 40, 50, 20);
spinnerColors = new JSpinner(new SpinnerNumberModel(8, 1, 4096, 1));
spinnerColors.setBounds(410, 40, 50, 20);
compButton = new JButton("Komprimieren");
compButton.setBounds(290, 70, 120, 20);
compButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
compressed = new CompressedImage(bild, (int)spinnerWidth.getValue(), (int)spinnerHeight.getValue(), (int)spinnerColors.getValue());
towrite = compressed.getImage();
panel.repaint();
}
});
panel = new JPanel() {
public void paint(Graphics g) {
if(towrite != null)
g.drawImage(towrite, 0, 0, 500, 390, this);
}
};
panel.setBounds(0, 110, 500, 390);
this.add(inPath);
this.add(outPath);
this.add(readButton);
this.add(writeButton);
this.add(spinnerWidth);
this.add(spinnerHeight);
this.add(spinnerColors);
this.add(compButton);
this.add(panel);
this.repaint();
}
private BufferedImage getGreyImage(BufferedImage i) {
BufferedImage image = new BufferedImage(i.getWidth(), i.getHeight(), i.getType());
for(int x = 0, width = i.getWidth(); x<width; x++) {
for(int y = 0, height = i.getHeight(); y<height; y++) {
Color c = new Color(i.getRGB(x, y));
int h = (int)(((double)(c.getRed()+c.getGreen()+c.getBlue())/765)*255);
image.setRGB(x, y, new Color(h, h, h).getRGB());
}
}
return image;
}
private BufferedImage readImage(File file) {
FileInputStream fis;
BufferedInputStream bis;
try {
fis = new FileInputStream(file);
bis = new BufferedInputStream(fis);
byte[] b = new byte[1];
bis.read(b);
switch(b[0]) {
case ImageType.RAW:
break;
case ImageType.COMPRESSED:
break;
}
int width = Utils.byteArrayToInt(b);
bis.read(b);
int height = Utils.byteArrayToInt(b);
bis.read(b);
int type = Utils.byteArrayToInt(b);
BufferedImage image = new BufferedImage(width, height, type);
for(int x = 0; x<width; x++) {
for(int y = 0; y<height; y++) {
bis.read(b);
image.setRGB(x, y, Utils.byteArrayToInt(b));
}
}
bis.close();
fis.close();
return image;
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
private void writeImage(File file) {
FileOutputStream fos;
BufferedOutputStream bos;
try {
fos = new FileOutputStream(file);
bos = new BufferedOutputStream(fos);
if(compData == null) {
bos.write(ImageType.RAW);
} else {
bos.write(ImageType.COMPRESSED);
}
if(compData == null) {
bos.write(Utils.intTobyteArray(towrite.getWidth()));
bos.write(Utils.intTobyteArray(towrite.getHeight()));
bos.write(Utils.intTobyteArray(towrite.getType()));
for(int x = 0, width = towrite.getWidth(); x<width; x++) {
for(int y = 0, height = towrite.getHeight(); y<height; y++) {
bos.write(Utils.intTobyteArray(towrite.getRGB(x, y)));
}
}
} else {
bos.write(compressed.getData());
}
bos.close();
fos.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
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