public void paint(Graphics g) {
   Graphics2D g_2d = (Graphics2D) g;
   Ellipse2D ellipse = new Ellipse2D.Double(0, 2, 80, 80);
   Rectangle2D rect = new Rectangle2D.Double(40, 2, 80, 80);
   Area a1 = new Area(ellipse);
   Area a2 = new Area(rect);
   a1.intersect(a2); // "Óë"
   g_2d.fill(a1);
   ellipse.setFrame(130, 2, 80, 80);
   rect.setFrame(170, 2, 80, 80);
   a1 = new Area(ellipse);
   a2 = new Area(rect);
   a1.add(a2); // "»ò"
   g_2d.draw(a1);
   ellipse.setFrame(0, 90, 80, 80);
   rect.setFrame(40, 90, 80, 80);
   a1 = new Area(ellipse);
   a2 = new Area(rect);
   a1.subtract(a2); // "²î"
   g_2d.draw(a1);
   ellipse.setFrame(130, 90, 80, 80);
   rect.setFrame(170, 90, 80, 80);
   a1 = new Area(ellipse);
   a2 = new Area(rect);
   a1.exclusiveOr(a2); // "Òì»ò"
   g_2d.fill(a1);
 }
Пример #2
0
 /** the paintComponent -- paints the board every repaint() call. */
 public void paintComponent(Graphics g) {
   super.paintComponent(g);
   Graphics2D g2 = (Graphics2D) g;
   for (int i = 0; i < B_WIDTH; i++) {
     for (int j = 0; j < B_HEIGHT; j++) {
       Rectangle2D rect = new Rectangle2D.Double((i * 40) + 1, (j * 40) + 1, 38, 38);
       g2.setPaint(balls[i][j].getColor());
       g2.fill(rect);
       Ellipse2D circle = new Ellipse2D.Double();
       circle.setFrame(rect);
       g2.setPaint(balls[i][j].getcColor());
       g2.fill(circle);
     }
   }
 }
Пример #3
0
  public void paintComponent(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    // draw a rectangle

    double leftX = 100;
    double topY = 100;
    double width = 200;
    double height = 150;

    Rectangle2D rect = new Rectangle2D.Double(leftX, topY, width, height);
    g2.setPaint(Color.BLACK);
    g2.draw(rect);
    g2.setPaint(Color.RED);
    g2.fill(rect); // Note that the right and bottom edge are not painted
    // over

    // draw the enclosed ellipse

    Ellipse2D ellipse = new Ellipse2D.Double();
    ellipse.setFrame(rect);
    g2.setPaint(new Color(0, 128, 128)); // a dull blue-green
    g2.fill(ellipse);
  }