Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.GraphicsEnvironment;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.BadLocationException;
import javax.swing.text.DefaultHighlighter;
import javax.swing.text.Highlighter;
import javax.swing.text.MutableAttributeSet;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyledDocument;

public class Main {
    public static void main(String[] args) {
        Fonts fs = new Fonts();
    }
}

class Fonts implements Runnable {
    String[] fnt;
    JTextPane jta = new JTextPane();

    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    StyledDocument doc;
    MutableAttributeSet mas;
    int cp = 0;
    int length = 0;

    public Fonts() {
        doc = jta.getStyledDocument();
        JScrollPane jsp = new JScrollPane(jta);
        jsp.setPreferredSize(new Dimension(400, 400));
        JFrame frm = new JFrame();
        frm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frm.setLayout(new BorderLayout());
        frm.add(jsp, BorderLayout.CENTER);
        frm.setLocation(100, 100);
        frm.pack();
        frm.setVisible(true);
        jta.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
        fnt = ge.getAvailableFontFamilyNames();
        mas = jta.getInputAttributes();
        new Thread(this).start();
    }

    @Override
    public void run() {
        for (int i = 0; i < fnt.length; i++) {
            StyleConstants.setBold(mas, false);
            StyleConstants.setItalic(mas, false);
            StyleConstants.setFontFamily(mas, fnt[i]);
            StyleConstants.setFontSize(mas, 16);
            dis(fnt[i]);
            try {
                Thread.sleep(75);
            } catch (Exception e) {
                e.printStackTrace();
            }
            StyleConstants.setBold(mas, true);
            dis(fnt[i] + " Bold");
            try {
                Thread.sleep(75);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        jta.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
    }

    Highlighter.HighlightPainter redPainter = new DefaultHighlighter.DefaultHighlightPainter(Color.red);

    public void dis(String s) {
        length = jta.getText().length();
        try {
            doc.insertString(cp, s, mas);
            doc.insertString(cp, "\n", mas);
        } catch (Exception bla_bla_bla_bla) {
            bla_bla_bla_bla.printStackTrace();
        }
        try {
            jta.getHighlighter().addHighlight(1, length - 1, redPainter);
        } catch (BadLocationException bla_bla_bla_bla) {
        }
    }
}