From 84e220b332bfffb0f2dcc39b9697a6fd6691d265 Mon Sep 17 00:00:00 2001
From: Leonard Kugis <leonard@kug.is>
Date: Mon, 25 Apr 2022 18:36:30 +0200
Subject: Initial commit

---
 src/aufgaben/b20160413/Aufgabe6.java | 105 +++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100755 src/aufgaben/b20160413/Aufgabe6.java

(limited to 'src/aufgaben/b20160413/Aufgabe6.java')

diff --git a/src/aufgaben/b20160413/Aufgabe6.java b/src/aufgaben/b20160413/Aufgabe6.java
new file mode 100755
index 0000000..a888197
--- /dev/null
+++ b/src/aufgaben/b20160413/Aufgabe6.java
@@ -0,0 +1,105 @@
+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 java.util.ArrayList;
+
+import javax.imageio.ImageIO;
+import javax.swing.JPanel;
+import javax.swing.JSlider;
+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 Aufgabe6 extends Aufgabe {
+	
+	private final int width = 500, height = 500;
+	private boolean done = false;
+	private String name;
+	private BufferedImage image;
+	private Color[][] pixels;
+	private JSpinner spinner;
+	private JPanel panel;
+	private ArrayList<Double> arr;
+	
+	public Aufgabe6() {
+		name = "YUV Visualisierung";
+		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() {
+		arr = new ArrayList<Double>();
+		panel = new JPanel() {
+			public void paint(Graphics g) {
+				g.clearRect(0, 0, this.getWidth(), this.getHeight());
+				for(int x = 0; x<this.getWidth(); x++) {
+					for(int y = 0; y<this.getHeight(); y++) {
+						double r = (double)spinner.getValue()+(((y-100)/100.0)/0.877), 
+								b = (double)spinner.getValue()+(((x-100)/100.0)/0.493), 
+								gr = (1/0.587)*(double)spinner.getValue()-(0.299/0.587)*r-(0.114/0.587)*b;
+						//System.out.println("R: " + r + ", G: " + gr + ", B: " + b);
+						//arr.add(r);
+						if(r >= 0.0 && gr >= 0.0 && b >= 0.0 && r <= 1.0 && gr <= 1.0 && b <= 1.0) {
+							g.setColor(new Color((int)Math.round(r*255), (int)Math.round(gr*255), (int)Math.round(b*255)));
+							g.fillRect(x, y, 1, 1);
+						}
+					}
+				}
+				/*
+				double max = 0.0;
+				for(int x = 0; x<arr.size(); x++) {
+					for(int y = 0; y<arr.size(); y++) {
+						if(arr.get(x)>arr.get(y))
+							max = arr.get(x);
+					}
+				}
+				System.out.println(max);
+				*/
+				g.setColor(Color.BLACK);
+				g.drawRect(0, 0, 199, 199);
+			}
+		};
+		panel.setBounds(100, 200, 200, 200);
+		spinner = new JSpinner(new SpinnerNumberModel(1f, 0f, 1f, 0.01f));
+		spinner.setBounds(100, 100, 100, 20);
+		spinner.addChangeListener(new ChangeListener() {
+			public void stateChanged(ChangeEvent e) {
+				panel.repaint();
+			}
+		});
+		this.add(panel);
+		this.add(spinner);
+	}
+
+}
-- 
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