diff options
| author | Leonard Kugis <leonard@kug.is> | 2022-04-25 18:36:30 +0200 |
|---|---|---|
| committer | Leonard Kugis <leonard@kug.is> | 2022-04-25 18:36:30 +0200 |
| commit | 84e220b332bfffb0f2dcc39b9697a6fd6691d265 (patch) | |
| tree | 0b861a9a099017ffd9bf00bae12e33ed6a309bbe /src/aufgaben/b20160413/Aufgabe4.java | |
Diffstat (limited to 'src/aufgaben/b20160413/Aufgabe4.java')
| -rwxr-xr-x | src/aufgaben/b20160413/Aufgabe4.java | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/aufgaben/b20160413/Aufgabe4.java b/src/aufgaben/b20160413/Aufgabe4.java new file mode 100755 index 0000000..ad720b9 --- /dev/null +++ b/src/aufgaben/b20160413/Aufgabe4.java @@ -0,0 +1,71 @@ +package aufgaben.b20160413;
+
+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 aufgaben.Aufgabe;
+import misc.Utils;
+
+public class Aufgabe4 extends Aufgabe {
+
+ private final int width = 500, height = 500;
+ private boolean done = false;
+ private String name;
+ private BufferedImage image;
+ private Color[][] pixels;
+
+ public Aufgabe4() {
+ name = "Graustufen";
+ this.setSize(width, height);
+ this.setTitle(name);
+ this.addWindowListener(
+ new WindowAdapter() {
+ @Override
+ public void windowClosing(WindowEvent e) {
+ System.out.println("close");
+ done = true;
+ }
+ }
+ );
+ }
+
+ @Override
+ public boolean done() {
+ return done;
+ }
+
+ public void paint(Graphics g) {
+ if(image != null)
+ g.drawImage(image, 0, 100, 500, 300, this);
+ }
+
+ @Override
+ public String getName() {
+ return name;
+ }
+
+ @Override
+ public void init() {
+ pixels = new Color[width][height];
+ try {
+ image = ImageIO.read(new File("title.png"));
+ for(int x = 0, width = image.getWidth(); x<width; x++) {
+ for(int y = 0, height = image.getHeight(); y<height; y++) {
+ Color c = new Color(image.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());
+ }
+ }
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+
+}
|