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package aufgaben.b20160425;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.SpinnerNumberModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import aufgaben.Aufgabe;
import misc.Utils;
public class Aufgabe3 extends Aufgabe {
private final int width = 500, height = 500;
private boolean done = false;
private String name;
private BufferedImage image, todraw;
private JPanel panel;
private JSpinner spinner;
public Aufgabe3() {
name = "Interpolation";
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() {
panel = new JPanel(){
public void paint(Graphics g) {
if(todraw != null)
g.drawImage(todraw, 0, 0, this.getWidth(), this.getHeight(), this);
}
};
panel.setBounds(0, 100, width, height-100);
spinner = new JSpinner(new SpinnerNumberModel(0, 0, 100, 1));
spinner.setBounds(100, 50, 100, 20);
spinner.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
for(int x = 0; x<image.getWidth(); x++) {
for(int y = 0; y<image.getHeight(); y++) {
todraw.setRGB(x, y, getDurchschnitt(image, x, y, (int)spinner.getValue()).getRGB());
}
}
panel.repaint();
}
});
try {
image = ImageIO.read(new File("title.png"));
todraw = ImageIO.read(new File("title.png"));
} catch (IOException e) {
e.printStackTrace();
}
this.add(panel);
this.add(spinner);
}
private int getGrayValueImg(int x, int y) {
if(image == null) return -1;
Color c = new Color(image.getRGB(x, y));
if(c.getRed() == c.getGreen() && c.getRed() == c.getBlue())
return c.getRed();
return -1;
}
private void setGrayValueImgProc(int x, int y, int gray) {
if(image == null)
System.out.println("err");
image.setRGB(x, y, new Color(gray, gray, gray).getRGB());
}
private Color getDurchschnitt(BufferedImage image, int x, int y, int r) {
Color color;
int[] colori = new int[3];
int absoluteX = 0, absoluteY = 0, c = 0;
for(int x1 = (-1)*r; x1<=r; x1++) {
for(int y1 = (-1)*r; y1<=r; y1++) {
absoluteX = x+x1;
absoluteY = y+y1;
if(absoluteX >= 0 && absoluteX < image.getWidth() && absoluteY >= 0 && absoluteY < image.getHeight()) {
color = new Color(image.getRGB(absoluteX, absoluteY));
colori[0] += color.getRed();
colori[1] += color.getGreen();
colori[2] += color.getBlue();
c++;
}
}
}
return new Color(colori[0]/c, colori[1]/c, colori[2]/c);
}
}
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