BorderIcon.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.test.uitools;

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;

import javax.swing.Icon;

/**
 * An icon that is useful for testing.
 */
public class BorderIcon
    implements Icon
{
    private final Icon icon;
    private final Color color;


    /**
     * Construct an icon that will paint a border around another icon.
     */
    public BorderIcon(Icon icon, Color color) {
        super();
        this.icon = icon;
        this.color = color;
    }

    /**
     * Construct an icon that will paint a border around another icon.
     */
    public BorderIcon(Icon icon) {
        this(icon, Color.BLACK);
    }

    /**
     * @see javax.swing.Icon#paintIcon(java.awt.Component, java.awt.Graphics, int, int)
     */
    public void paintIcon(Component c, Graphics g, int x, int y) {
        int x_off = x + this.icon.getIconWidth() + 1;
        int y_off = y + this.icon.getIconHeight() + 1;
        Color savedColor = g.getColor();

        g.setColor(this.color);

        // draw a square around the entire icon
        g.drawLine(x, y, x_off, y);        // top (left to right)
        g.drawLine(x_off, y + 1, x_off, y_off);        // right (top to bottom)
        g.drawLine(x_off - 1, y_off, x, y_off);        // bottom (right to left)
        g.drawLine(x, y_off - 1, x, y + 1);        // left (bottom to top)

        this.icon.paintIcon(c, g, x + 1, y + 1);

        g.setColor(savedColor);
    }

    /**
     * @see javax.swing.Icon#getIconWidth()
     */
    public int getIconWidth() {
        return this.icon.getIconWidth() + 2;
    }

    /**
     * @see javax.swing.Icon#getIconHeight()
     */
    public int getIconHeight() {
        return this.icon.getIconHeight() + 2;
    }

}