Graphics2D Example with Appengine-awt

Graphics2DEx.java

package com.witwall.test;

import java.io.File;
import java.io.IOException;

import com.google.code.appengine.awt.Color;
import com.google.code.appengine.awt.Font;
import com.google.code.appengine.awt.FontMetrics;
import com.google.code.appengine.awt.Graphics2D;
import com.google.code.appengine.awt.geom.Area;
import com.google.code.appengine.awt.geom.Ellipse2D;
import com.google.code.appengine.awt.image.BufferedImage;
import com.google.code.appengine.imageio.ImageIO;

public class Graphics2DEx {

	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
        int w = 150;
        int h = 150;

        BufferedImage image = new BufferedImage(400, 400, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2 =image.createGraphics();

        double ew = w/2;
        double eh = h/2;
        Ellipse2D.Double circle, oval, leaf, stem;
        Area circ, ov, leaf1, leaf2, st1, st2;
        circle = new Ellipse2D.Double();
        oval = new Ellipse2D.Double();
        leaf = new Ellipse2D.Double();
        stem = new Ellipse2D.Double();
        circ = new Area(circle);
        ov = new Area(oval);
        leaf1 = new Area(leaf);
        leaf2 = new Area(leaf);
        st1 = new Area(stem);
        st2 = new Area(stem);
        g2.setColor(Color.green);
        
        // Creates the first leaf by filling the intersection of two Area objects created from an ellipse.
        leaf.setFrame(ew-16, eh-29, 15.0, 15.0);
        leaf1 = new Area(leaf);
        leaf.setFrame(ew-14, eh-47, 30.0, 30.0);
        leaf2 = new Area(leaf);
        leaf1.intersect(leaf2);//will stop here
        g2.fill(leaf1);
        
        // Creates the second leaf.
        leaf.setFrame(ew+1, eh-29, 15.0, 15.0);
        leaf1 = new Area(leaf);
        leaf2.intersect(leaf1);
        g2.fill(leaf2);
        
        g2.setColor(Color.black);
        
        // Creates the stem by filling the Area resulting from the subtraction of two Area objects created from an ellipse.
        stem.setFrame(ew, eh-42, 40.0, 40.0);
        st1 = new Area(stem);
        stem.setFrame(ew+3, eh-47, 50.0, 50.0);
        st2 = new Area(stem);
        st1.subtract(st2);
        g2.fill(st1);
        
        g2.setColor(Color.yellow);
        
        // Creates the pear itself by filling the Area resulting from the union of two Area objects created by two different ellipses.
        circle.setFrame(ew-25, eh, 50.0, 50.0);
        oval.setFrame(ew-19, eh-20, 40.0, 70.0);
        circ = new Area(circle);
        ov = new Area(oval);
        circ.add(ov);
        g2.fill(circ);
        
        g2.setColor(Color.black);
        
        Font thisFont = new Font("Arial", Font.PLAIN, 18);
        g2.setFont(thisFont);
        String pear = "Pear";
        FontMetrics metrics = g2.getFontMetrics();
        int width = metrics.stringWidth(pear);
        g2.drawString(pear, (w - width) / 2, 20);
        g2.dispose();
        ImageIO.write(image, "png", new File("graphics2DEx_gae.png"));

	}

}