Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.font.FontRenderContext;
import java.awt.font.LineBreakMeasurer;
import java.awt.font.TextAttribute;
import java.awt.font.TextLayout;
import java.text.AttributedCharacterIterator;
import java.text.AttributedString;

import javax.swing.JFrame;
import javax.swing.UIManager;

public class Main extends JFrame {
    public void paint(Graphics g) {
        String input = "this is a test.this is a test.this is a test.this is a test.";

        AttributedString attributedString = new AttributedString(input);
        attributedString.addAttribute(TextAttribute.FONT, (Font) UIManager.get("Label.font"));
        Color color = (Color) UIManager.get("Label.foreground");

        attributedString.addAttribute(TextAttribute.FOREGROUND, color);

        super.paint(g);
        Graphics2D g2d = (Graphics2D) g;

        int width = getSize().width;
        int x = 10;
        int y = 30;

        AttributedCharacterIterator characterIterator = attributedString.getIterator();
        FontRenderContext fontRenderContext = g2d.getFontRenderContext();
        LineBreakMeasurer measurer = new LineBreakMeasurer(characterIterator, fontRenderContext);
        while (measurer.getPosition() < characterIterator.getEndIndex()) {
            TextLayout textLayout = measurer.nextLayout(width);
            y += textLayout.getAscent();
            textLayout.draw(g2d, x, y);
            y += textLayout.getDescent() + textLayout.getLeading();
        }
    }

    public static void main(String args[]) {
        JFrame frame = new Main();
        frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
        frame.setSize(20, 200);

        frame.setVisible(true);
    }
}