{{category Java}}
{{category プログラミング}}

{{ref FontPanel.java}}

 java -encoding EUC-JP FrontPanel.java

 import java.awt.*;
 import java.awt.event.*;
 
 public class FontPanel extends Frame implements ItemListener{
 
   private Frame frame;
   private Choice fontnamechoice;
   private Choice fontsizechoice;
   private String fontname = "SansSerif";
   private int fontsize = 18;
 
   FontPanel(){
     super("FontPanel");
     Font[] fonts = GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts();
     fontnamechoice = new Choice();
     for(int i = 0; i < fonts.length; i++){
       fontnamechoice.add(fonts[i].getName());
     }
     fontnamechoice.addItemListener(this);
     fontsizechoice = new Choice();
     fontsizechoice.add("10");
     fontsizechoice.add("12");
     fontsizechoice.add("14");
     fontsizechoice.add("16");
     fontsizechoice.add("18");
     fontsizechoice.add("20");
     fontsizechoice.select("14");
     fontsizechoice.addItemListener(this);
     Panel p = new Panel(new GridLayout());
     p.add(fontnamechoice);
     p.add(fontsizechoice);
     setLayout(new BorderLayout());
     add(p, BorderLayout.NORTH);
     setBounds( 0, 0, 350, 200);
     setVisible(true);
   }
 
   public void itemStateChanged(ItemEvent e) {
     Object o = e.getSource();
     if(o == null){
     }else if(o == fontnamechoice){
       fontname = ((Choice)o).getSelectedItem();
     }else if(o == fontsizechoice){
       fontsize = Integer.parseInt(((Choice)o).getSelectedItem());
     }
     repaint();
   }
 
   public static void main(String[] args){
     FontPanel test = new FontPanel();
   }
 
   public void paint(Graphics g){
     Graphics2D g2 = (Graphics2D)g;
     
     g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, 
 			RenderingHints.VALUE_ANTIALIAS_ON);
     g2.setBackground(Color.white);
     g2.clearRect(0, 0, getWidth(), getHeight());
     
     g2.setColor(Color.black);
 
     Font f = new Font(fontname, Font.PLAIN, fontsize);
     g2.setFont(f);
     g2.drawString("あいうえお テスト 思い出", 40, 80);
     g2.drawString("abcedefghijklmn", 40, 110);
     g2.drawString("ABCEDEFGHIJKLMN", 40, 140);
   }
 }