ImagePanel.java 文件源码

/**
 * Create a new empty image panel
 */
public ImagePanel() {
    super();

    Color base = Color.gray;
    BufferedImage image = new BufferedImage(50, 50,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = (Graphics2D) image.getGraphics();
    g.setColor(base);
    g.fillRect(0, 0, image.getWidth(), image.getHeight());
    g.setColor(base.darker());
    g.fillRect(image.getWidth() / 2, 0, image.getWidth() / 2, image
            .getHeight() / 2);
    g.fillRect(0, image.getHeight() / 2, image.getWidth() / 2, image
            .getHeight() / 2);

    background = new TexturePaint(image, new Rectangle(0, 0, image
            .getWidth(), image.getHeight()));

    setBackground(Color.black);
}