imagepane.java

create the email in the server

package za.co.halo.SecureCommunications.util;

import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.print.PageFormat;
import java.awt.print.Printable;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JPanel;

/**
 * ImagePanel can be used to display an image in a
 * container.
 */
public class ImagePane extends JPanel implements Printable
{
	private Icon image;
	private int width, height;

	/**
	 * Constructs a new ImagePanel with the specified image
	 * on the specified location. Theimage is scaled to fit
	 * in this panel.
	 * 
	 * @param image
	 *            The image to put on this panel.
	 * @param width
	 *            The width of the panel.
	 * @param height
	 *            The height of the panel.
	 */
	public ImagePane(ImageIcon image, int width, int height)
	{
		setPreferredSize(new Dimension(width, height));
		this.width = width;
		this.height = height;

		setImage(image);
	}

	/**
	 * Sets the image of this panel and repaints it.
	 * 
	 * @param image
	 *            The new image to displayed on this panel.
	 */
	public void changeImage(ImageIcon image)
	{
		setImage(image);
		repaint();
	}

	/**
	 * @see javax.swing.JComponent#paint(java.awt.Graphics)
	 */
	@Override
	public void paint(Graphics g)
	{
		super.paint(g);
		paint(g, 0, 0);
	}

	/**
	 * @see za.co.iocom.gui.custom.Offsetable#paint(java.awt.Graphics,
	 *      int, int)
	 */
	public void paint(Graphics g, int xx, int yy)
	{
		Graphics2D g2 = (Graphics2D) g;
		//super.paint(g);
		if (image != null)
			image.paintIcon(this, g2, (width - image.getIconWidth()) / 2 + xx, (height - image
					.getIconHeight())
					/ 2 + yy);
	}

	/**
	 * @see java.awt.print.Printable#print(java.awt.Graphics,
	 *      java.awt.print.PageFormat, int)
	 */
	public int print(Graphics g, PageFormat p, int i)
	{
		paint(g, (int) p.getImageableX(), (int) p.getImageableY());

		return Printable.PAGE_EXISTS;
	}

	/**
	 * Sets the image of this panel, without repainting it.
	 * 
	 * @param image
	 *            The new image to displayed on this panel.
	 */
	public void setImage(ImageIcon image)
	{
		if (image != null)
			this.image = scaleCopy(image, width, height);
		else
			this.image = null;

	}
	
	/**
	 * Scale a ImageIcon to the specified x and y scale The
	 * optimal scaling algorithm is used. Aspect ration is
	 * conserved. In effect this scales the image so that it
	 * can fit into the rectangle of width scaleX and height
	 * scaleY
	 * 
	 * @param image
	 *            The image to scale
	 * @param scaleX
	 *            The maximum width of the new image.
	 * @param scaleY
	 *            The maximum height of the new imag.
	 * @return A new scaled version of the ImageIcon.
	 */
	public static ImageIcon scaleCopy(ImageIcon image, int scaleX, int scaleY)
	{
		Image im = image.getImage();
		Image scaledIm;

		if ((double) image.getIconWidth() / image.getIconHeight() < (double) scaleX / scaleY)
			scaledIm = im.getScaledInstance(-1, (scaleY), Image.SCALE_SMOOTH);
		else
			scaledIm = im.getScaledInstance((scaleX), -1, Image.SCALE_SMOOTH);

		return new ImageIcon(scaledIm);
	}

}