package horstmann.ch06_scene3;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.AffineTransform;
import java.awt.geom.GeneralPath;
import java.awt.geom.Point2D;

/**
   A scene shape that is composed of multiple geometric shapes.
 */
public abstract class CompoundShape extends SelectableShape
{
  public CompoundShape()
  {
    path = new GeneralPath();
  }

  protected void add(Shape s)
  {
    path.append(s, false);
  }

  public boolean contains(Point2D aPoint)
  {
    return path.contains(aPoint);
  }

  public void translate(int dx, int dy)
  {
    path.transform(
        AffineTransform.getTranslateInstance(dx, dy));
  }

  public void draw(Graphics2D g2)
  {
    g2.draw(path);
  }

  private GeneralPath path;
}