ThreeBHelp.java

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

import java.awt.event.*;
import java.awt.geom.*;
import java.util.*;
import java.io.*;
import javax.swing.*;
import javax.swing.event.*;
import java.lang.InterruptedException;
import java.lang.System;
import java.lang.Math.*;

///3B plugin cclass to bring up a basic help window.
///@ingroup gPlugin
public class ThreeBHelp implements PlugIn {

    public void run(String arg)
    {
        String path = getClass().getResource("img/").toString();
        Reader htmlstream = new InputStreamReader(getClass().getClassLoader().getResourceAsStream("instructions.html"));
        String html = Util.read(htmlstream);

        html = html.replaceAll("img/", path);

        JFrame w = new JFrame("3B help");

        JEditorPane l = new JEditorPane();
        try{
            l.setPage(getClass().getResource("instructions.html").toString());
        }
        catch(IOException e)
        {}
        //l.resize(new java.awt.Dimension(800,600));

        JScrollPane s = new JScrollPane(l, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);

        java.awt.Dimension  d = new java.awt.Dimension(600, 600);

        w.add(s);
        w.pack();
        w.setSize(d);
        w.setVisible(true);
        
    }

};