import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class FontTest {
    public static void p(String str) {
        System.out.println(str);
    }
    
    
    public static void main(String[] args) {
        final int w = 20;
        final int side = 25;
        final int[][] grid = new int[50][w];
        
        JPanel panel = new JPanel() {
            public void paintComponent(Graphics g) {
                Font font = new Font("WingDings",Font.PLAIN,14);
                g.setFont(font);
                g.setColor(Color.black);
                p("font: " + font);
                int off = 0;
                for(int i=0; i<w; i++) {
                    g.drawLine(i*side-2,0,i*side-2,getHeight());
                }
                for(int i=0; i<(getHeight()/side); i++) {
                    g.drawLine(0,i*side+5,getWidth(),i*side+5);
                }
                
                for(int i=0; i<256*256; i++) {
                    if(font.canDisplay((char)i)) {
                        off++;
                        grid[off/w][off%w] = i;
                        int x = off%w * side;
                        int y = (off/w) * side + side;
                        g.drawString(""+(char)i,x,y);
                        //System.out.println(Integer.toHexString(i) +" " + ((char)i) + " | " + x + " x " + y);
                    }
                }
            }
        };
        panel.addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent evt) {
                int x = evt.getX() / side;
                int y = evt.getY() / side;
                p("hit: " + x + " " + y + " char = " + Integer.toHexString(grid[y][x]));
            }
        });
        
        JFrame frame = new JFrame("asdf");
        panel.setSize(300,300);
        frame.getContentPane().add(panel);
        frame.pack();
        frame.setSize(300,300);
        frame.setVisible(true);
        p("\ndone\n");
    }
}