a

APL2.1/TP6_Dessin/tp06/Sablier.java

@@ -0,0 +1,34 @@
+import javax.swing.JComponent;
+import java.awt.*;
+ 
+public class Sablier extends JComponent 
+{
+    public Sablier() 
+    {
+        super();
+    }
+
+    @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());
+        }
+
+        Polygon poly1 = new Polygon();
+        poly1.addPoint(0, 0);
+        poly1.addPoint(this.getWidth(), 0);
+        poly1.addPoint(this.getWidth()/2, this.getHeight()/2);
+        Polygon poly2 = new Polygon();
+        poly2.addPoint(0, this.getHeight());
+        poly2.addPoint(this.getWidth(), this.getHeight());
+        poly2.addPoint(this.getWidth()/2, this.getHeight()/2);
+
+        secondPinceau.setColor(Color.CYAN);
+        secondPinceau.fillPolygon(poly1);
+        secondPinceau.fillPolygon(poly2);
+    }
+}