Fonts.java

package ij.plugin.frame;
import java.awt.*;
import java.awt.event.*;

import ij.*;
import ij.plugin.*;
import ij.gui.*;

public class Fonts extends PlugInFrame implements PlugIn, ItemListener {

    private static String[] sizes = {"8","9","10","12","14","18","24","28","36","48","60","72"};
    private static int[] isizes = {8,9,10,12,14,18,24,28,36,48,60,72};
    private Panel panel;
    private Choice font;
    private Choice size;
    private Choice style;
    private static Frame instance;

    public Fonts() {
        super("Fonts");
        if (instance!=null) {
            instance.toFront();
            return;
        }
        instance = this;
        getContentPane().setLayout(new FlowLayout(FlowLayout.CENTER, 10, 5));
        
        font = new Choice();
        String[] fonts = GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames(); //requires Java 2
        for (int i=0; i<fonts.length; i++)
            font.add(fonts[i]);
        font.select(TextRoi.getFont());
        font.addItemListener(this);
        getContentPane().add(font);

        size = new Choice();
        for (int i=0; i<sizes.length; i++)
            size.add(sizes[i]);
        size.select(getSizeIndex());
        size.addItemListener(this);
        getContentPane().add(size);
        
        style = new Choice();
        style.add("Plain");
        style.add("Bold");
        style.add("Italic");
        style.add("Bold+Italic");
        int i = TextRoi.getStyle();
        String s = "Plain";
        if (i==Font.BOLD)
            s = "Bold";
        else if (i==Font.ITALIC)
            s = "Italic";
        else if (i==(Font.BOLD+Font.ITALIC))
            s = "Bold+Italic";
        style.select(s);
        style.addItemListener(this);
        getContentPane().add(style);

        setVisible(true);
        IJ.register(Fonts.class);
    }
    
    int getSizeIndex() {
        int size = TextRoi.getSize();
        int index=0;
        for (int i=0; i<isizes.length; i++) {
            if (size>=isizes[i])
                index = i;
        }
        return index;
    }
    
    public void itemStateChanged(ItemEvent e) {
        String fontName = font.getSelectedItem();
        int fontSize = Integer.parseInt(size.getSelectedItem());
        String styleName = style.getSelectedItem();
        int fontStyle = Font.PLAIN;
        if (styleName.equals("Bold"))
            fontStyle = Font.BOLD;
        else if (styleName.equals("Italic"))
            fontStyle = Font.ITALIC;
        else if (styleName.equals("Bold+Italic"))
            fontStyle = Font.BOLD+Font.ITALIC;
        TextRoi.setFont(fontName, fontSize, fontStyle);
        IJ.showStatus(fontSize+" point "+fontName + " " + styleName);
    }
    
    public void windowClosing(WindowEvent e) {
        super.windowClosing(e);
        instance = null;
    }

}