ImagePanel.java

package edu.mbl.jif.gui.error;

import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import javax.swing.JPanel;

/**
 * @author Svetlin Nakov
 */
public class ImagePanel extends JPanel {

	private static final long serialVersionUID = 3813223397371003521L;

	private Image image;
	private int imageWidth;
	private int imageHeight;

	public ImagePanel(String resourceLocation) {
		Image image = ImageUtils.loadImageFromResource(resourceLocation, this);
		setImage(image);
	}

	public ImagePanel(Image image) {
		setImage(image);
	}

	private void setImage(Image image) {
		this.image = image;
		this.imageWidth = this.image.getWidth(null);
		this.imageHeight = this.image.getHeight(null);
		Dimension imageSize = new Dimension(this.imageWidth, this.imageHeight);
		this.setSize(imageSize);
		this.setPreferredSize(imageSize);
	}
	
	@Override
	protected void paintComponent(Graphics gr) {
		super.paintComponent(gr);
		if (this.image != null) {
			gr.drawImage(image, 0, 0, this.imageWidth, this.imageHeight, this);
		}
	}
}