Draw 2D shape : Graphics « 2D Graphics « Java Tutorial

1. Java Tutorial
2. 2D Graphics
3. Graphics

import java.awt.Canvas;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.Ellipse2D;
import java.awt.geom.GeneralPath;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;

import javax.swing.JFrame;

public class Draw2DObjects extends JFrame {
  Shape shapes[] = new Shape[5];
  public static void main(String args[]) {
    Draw2DObjects app = new Draw2DObjects();
  }

  public Draw2DObjects() {
    add("Center", new MyCanvas());
    shapes[0] = new Line2D.Double(0.0, 0.0, 100.0, 100.0);
    shapes[1] = new Rectangle2D.Double(10.0, 100.0, 200.0, 200.0);
    shapes[2] = new Ellipse2D.Double(20.0, 200.0, 100.0, 100.0);
    GeneralPath path = new GeneralPath(new Line2D.Double(300.0, 100.0, 400.0, 150.0));
    path.append(new Line2D.Double(25.0, 175.0, 300.0, 100.0), true);
    shapes[3] = path;
    shapes[4] = new RoundRectangle2D.Double(350.0, 250, 200.0, 100.0, 50.0, 25.0);
    setSize(400, 400);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setVisible(true);
  }

  class MyCanvas extends Canvas {
    public void paint(Graphics graphics) {
      Graphics2D g = (Graphics2D) graphics;
      for (int i = 0; i < shapes.length; ++i) {
        if (shapes[i] != null)
          g.draw(shapes[i]);
      }
    }
  }
}

16.2.Graphics
	16.2.1.	Draw rectangles
	16.2.2.	Fill a solid three-dimensional rectangle
	16.2.3.	Draw Ellipses
	16.2.4.	Draw 2D shape
	16.2.5.	Draw Arcs
	16.2.6.	Draw Polygon
	16.2.7.	Resizing output to fit the current size of a window.
	16.2.8.	Demonstrate XOR mode.