update

DEV.2.1/CM1/ex4/Illumination.java

@@ -0,0 +1,47 @@
+/*Emmanuel SRIVASTAVA-TIAMZON*/
+
+import javax.swing.*; 
+import java.awt.*; 
+
+public class Illumination extends JComponent {
+
+    private int niveau;
+    private JPanel panel;
+
+	public Illumination(int niveau) {
+		super();
+        this.niveau = niveau;
+	}
+
+    public int setNiveau(int newNiveau) {
+        if (newNiveau < 0) {
+            this.niveau = 0;
+        } else if (newNiveau > 10) {
+            this.niveau = 10;
+        } else {
+            this.niveau = newNiveau;
+        }
+        repaint();
+    }
+
+    public int getNiveau() {
+        return this.niveau;
+    }
+    
+	@Override
+    protected void paintComponent(Graphics pinceau) {
+        Graphics secondPinceau = pinceau.create();
+        if (this.isOpaque()){
+            secondPinceau.setColor(this.getBackground);
+            secondPinceau.fillRect(0,0,this.getWidth(),this.getHeight());
+        }
+
+        this.panel.setBackground(Color.BLACK);
+        if(this.niveau >= 0) {
+            this.panel.setBackground(Color.WHITE);
+        } else {
+            this.panel.setBackground(Color.BLACK);
+        }
+    }
+
+}

DEV.2.1/CM1/ex4/Mafenetre.java

@@ -0,0 +1,16 @@
+import javax.swing.*; 
+import java.awt.*; 
+
+public class Mafenetre extends JFrame {
+	
+	public Mafenetre() {
+		super("Illumination");
+		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		this.setSize(697,156);
+		this.setLocation(500,250);
+
+		Illumination illumination = new Illumination(5);
+		this.add(illumination);
+	}
+
+}

DEV.2.1/CM1/ex4/Main.java

@@ -0,0 +1,10 @@
+import javax.swing.*; 
+import java.awt.*; 
+
+public class Main {
+	public static void main(String[] args) {
+		Mafenetre fenetre = new Mafenetre();
+		fenetre.setVisible(true);
+		
+	}
+}

DEV.2.1/CM1/ex4/MouseWheel.java

@@ -0,0 +1,24 @@
+/*Emmanuel SRIVASTAVA-TIAMZON*/
+
+import javax.swing.*; 
+import java.awt.event.*; 
+import java.awt.*;
+
+public class MouseWheel implements MouseWheelListener {
+
+	public MouseWheel() {
+		super();
+	}
+
+	@Override
+	public void mouseWheelMoved(MouseWheelEvent evenement) {
+
+		if(evenement.getWheelRotation() < 0) {
+			this.newNiveau(evenement);
+		}else {
+			this.newNiveau(evenement);
+		}
+
+	}
+
+}