MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Line2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class MainClass extends JPanel {

    public MainClass() {
    }

    public void paint(Graphics g) {
        Graphics2D g2D = (Graphics2D) g;

        Point2D.Float p1 = new Point2D.Float(150.f, 75.f);
        Point2D.Float p2 = new Point2D.Float(250.f, 75.f);
        float width = 300;
        float height = 50;
        GradientPaint g1 = new GradientPaint(p1, Color.WHITE, p2, Color.DARK_GRAY, true);
        Rectangle2D.Float rect1 = new Rectangle2D.Float(p1.x - 100, p1.y - 25, width, height);
        g2D.setPaint(g1);
        g2D.fill(rect1);
        g2D.setPaint(Color.BLACK);
        g2D.draw(rect1);
        g2D.draw(new Line2D.Float(p1, p2));
        g2D.drawString("Cyclic Gradient Paint", p1.x - 100, p1.y - 50);
        g2D.drawString("p1", p1.x - 20, p1.y);
        g2D.drawString("p2", p2.x + 10, p2.y);

        p1.setLocation(150, 200);
        p2.setLocation(250, 200);
        GradientPaint g2 = new GradientPaint(p1, Color.WHITE, p2, Color.DARK_GRAY, false);
        rect1.setRect(p1.x - 100, p1.y - 25, width, height);
        g2D.setPaint(g2);
        g2D.fill(rect1);
        g2D.setPaint(Color.BLACK);
        g2D.draw(rect1);
        g2D.draw(new Line2D.Float(p1, p2));
        g2D.drawString("Acyclic Gradient Paint", p1.x - 100, p1.y - 50);
        g2D.drawString("p1", p1.x - 20, p1.y);
        g2D.drawString("p2", p2.x + 10, p2.y);
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.getContentPane().add(new MainClass());

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(200, 200);
        frame.setVisible(true);
    }
}