// FirstApplet.java -- Practice making some geometrical shapes, based on
// p.140-150 in the textbook -- rectangles, circles, lines and text.
import java.awt.*;
import java.applet.*;
import java.awt.geom.*;  // for ellipses/circles
import javax.swing.*;    // for input dialog box

public class FirstApplet extends Applet
{
  private String input;    

  // constructor gets called first
  public FirstApplet()
  {
    input = JOptionPane.showInputDialog("enter a string, and I'll put it in" +
                                        " a circle:  ");
  }

  // The paint() function tells what to draw every time the applet window
  // is refreshed.
  public void paint(Graphics g)
  {
    // Initialize graphics object
    Graphics2D g2 = (Graphics2D)g;

    // Create a rectangle, and make a copy 15x25 units away (p. 143-144)
    Rectangle box = new Rectangle(5,10,20,30);
    g2.draw(box);
    box.translate(15,25);
    g2.draw(box);

    // Make an ellipse towards lower right corner (p. 145)
    Ellipse2D.Double circle = new Ellipse2D.Double(200,200,75,75);
    g2.draw(circle);

    // Draw a line (also possible to draw line connecting 2 point objects
    // (but you can't draw a single point) p. 146
    // Let's make the line blue (list of colors in book p. 147)
    Line2D.Double line = new Line2D.Double(250,10,10,250);
    g2.setColor(Color.blue);
    g2.draw(line);
    g2.fill(box);               // While we're at it, color in 2nd rectangle!

    // To put text inside Applet, need to specify a font (p. 149-150)
    Font myFont = new Font("SansSarif", Font.PLAIN, 24);
    g2.drawString(input,205,240);
  }
}