View Javadoc

1   /**
2    * This program is free software: you can redistribute it and/or modify
3    * it under the terms of the GNU General Public License as published by
4    * the Free Software Foundation, version 3.
5    *
6    * This program is distributed in the hope that it will be useful,
7    * but WITHOUT ANY WARRANTY; without even the implied warranty of
8    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9    * GNU General Public License for more details.
10   *
11   * You should have received a copy of the GNU General Public License
12   * along with this program. If not, see <http://www.gnu.org/licenses/>.
13   */
14  
15  package net.curre.prefcount.gui.aa;
16  
17  import java.awt.Graphics;
18  import java.awt.Graphics2D;
19  import java.awt.LayoutManager;
20  import java.awt.RenderingHints;
21  import javax.swing.JPanel;
22  
23  /**
24   * Object of this class represents a <code>JPanel</code>
25   * that has font anti-aliasing enabled in the graphics context
26   * when rendering this component.
27   * <p/>
28   * Created date: Jan 28, 2008
29   *
30   * @author Yevgeny Nyden
31   */
32  public class AAJPanel extends JPanel {
33  
34    /** Default constructor. */
35    public AAJPanel() {
36    }
37  
38    /**
39     * Constructor.
40     *
41     * @param layoutManager Layout manager to set.
42     */
43    public AAJPanel(LayoutManager layoutManager) {
44      super(layoutManager);
45    }
46  
47    /**
48     * Constructor.
49     *
50     * @param layoutManager Layout manager to set.
51     * @param b             Boolean.
52     */
53    public AAJPanel(LayoutManager layoutManager, boolean b) {
54      super(layoutManager, b);
55    }
56  
57    /**
58     * Constructor.
59     *
60     * @param b Boolean.
61     */
62    public AAJPanel(boolean b) {
63      super(b);
64    }
65  
66    /**
67     * Enables font anti-aliasing in the current graphics context.
68     * <br />
69     *
70     * @param g Graphics context.
71     */
72    @Override
73    public void paintComponent(Graphics g) {
74      ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ANTIALIASING,
75                                        RenderingHints.VALUE_ANTIALIAS_ON);
76      super.paintComponent(g);
77    }
78  
79  }