/** * Program to generate a 5"x10" ellipse for Elver portlights. * Compile with JDK 1.3 or above, then display oval.jpg in a * webpage. For my printer one inch = 96 pixels. Your results * may vary. Use the following html code to display the JPeg in * Internet Explorer. * *

* * (c) Will Marsh 2003 */ import java.util.*; import java.awt.*; import java.io.*; import java.awt.image.*; import com.sun.image.codec.jpeg.*; public class El{ public static void main(String args[]) throws Exception{ BufferedImage bi = new BufferedImage(800,1000,BufferedImage.TYPE_INT_RGB); Graphics2D g2d = bi.createGraphics(); g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION,RenderingHints.VALUE_INTERPOLATION_BILINEAR); g2d.setColor(Color.white); g2d.fillRect(0,0,800,1000); g2d.setColor(Color.blue); g2d.drawOval(0,0,480,960); g2d.drawLine(0,480,500,480); FileOutputStream fos = new FileOutputStream("oval.jpg"); BufferedOutputStream bos = new BufferedOutputStream(fos); JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(bos); JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi); param.setQuality((float)0.5,true); encoder.setJPEGEncodeParam(param); encoder.encode(bi); bos.close(); fos.close(); } }