Implement copy action

src/main/java/ovh/gasser/newshapes/shapes/SCircle.java

@@ -1,6 +1,7 @@
 package ovh.gasser.newshapes.shapes;
 
 import ovh.gasser.newshapes.ShapeVisitor;
+import ovh.gasser.newshapes.attributes.ColorAttributes;
 import ovh.gasser.newshapes.attributes.SelectionAttributes;
 
 import java.awt.*;
@@ -19,13 +20,24 @@ public class SCircle extends AbstractShape {
         visitor.visitCircle(this);
     }
 
+    @Override
+    public Shape clone() {
+        var color = (ColorAttributes) getAttributes(ColorAttributes.ID);
+        return SCircle.create(super.getBounds().x, super.getBounds().y, this.radius, color.strokedColor);
+    }
+
     public int getRadius() {
         return radius;
     }
 
     public static SCircle create(int x, int y, int radius) {
+        return create(x, y, radius, Color.BLACK);
+    }
+
+    public static SCircle create(int x, int y, int radius, Color color) {
         var circle = new SCircle(x, y, radius);
         circle.addAttributes(new SelectionAttributes());
+        circle.addAttributes(new ColorAttributes(false, true, Color.BLACK,  color));
         return circle;
     }
 }