/** call display methods for all components */
 public void display(java.awt.Graphics2D brush2D) {
   body.display(brush2D);
   bezel.display(brush2D);
   onButton.display(brush2D);
   volSlider.display(brush2D);
   volLevel.display(brush2D);
 }
 /** move the HDTV to the specified x,y location. */
 public void setLocation(int x, int y) {
   xLoc = x;
   yLoc = y;
   body.setLocation(x + bodyX, y + bodyY);
   bezel.setLocation(x + bezelX, y + bezelY);
   onButton.setLocation(x + onX, y + onY);
   volSlider.setLocation(x + volSliderX, y + volSliderY);
   volLevel.setLocation(x + volLevelX, y + volLevelY);
 }
  /** create the graphical objects for the scene */
  private void makeScene() {
    body = new ARectangle(bodyColor);
    body.setSize(bodyWidth, bodyLength);

    bezel = new ARectangle(Color.BLACK);
    bezel.setSize(bezelWidth, bezelLength);
    bezel.setColor(Color.LIGHT_GRAY);

    onButton = new AEllipse(Color.BLACK);
    onButton.setSize(onWidth, onLength);

    volSlider = new ALine();
    volSlider.setColor(Color.BLACK);
    volSlider.setPoints(volSliderX, volSliderY, volSliderX + volSliderLen, volSliderY);
    volSlider.setThickness(2);

    volLevel = new ALine();
    volLevel.setColor(Color.magenta);
    volLevel.setPoints(volLevelX, volLevelY, volLevelX, volLevelY + volLevelLen);
    volLevel.setThickness(2);
  }