PanelImage.java
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	package bilib.component;

	import java.awt.Color;
	import java.awt.Graphics;
	import java.awt.Image;
	import java.awt.image.BufferedImage;

	import javax.swing.JPanel;

	import deconvolutionlab.splash.ImageLoader;

	public class PanelImage extends JPanel {

	private Image image;
	private int w = -1;
	private int h = -1;

	public PanelImage() {
	super();
	}

	public PanelImage(String filename) {
	super();
	image = ImageLoader.get(filename);
	}

	public PanelImage(int w, int h) {
	super();
	image = null;
	this.w = w;
	this.h = h;
	}

	public PanelImage(String filename, int w, int h) {
	super();
	image = ImageLoader.get(filename);
	this.w = w;
	this.h = h;
	}

	public void setImage(BufferedImage image) {
	this.image = image;
	repaint();
	}

	@Override
	protected void paintComponent(Graphics g) {
	super.paintComponent(g);
	if (image != null) {
	if (w < 0)
	g.drawImage(image, 0, 0, getWidth(), getHeight(), null);
	else {
	g.setColor(Color.WHITE);
	g.fillRect(0, 0, getWidth(), getHeight());
	g.drawImage(image, (getWidth()-w)/2, 0, w, h, null);
	}
	}
	else {
	g.setColor(Color.DARK_GRAY);
	g.fillRect(0, 0, getWidth(), getHeight());
	}
	}

	}