bundles/org.eclipse.draw2d/src/org/eclipse/draw2d/widgets/ImageBorder.java

/*******************************************************************************
 * Copyright (c) 2004, 2010 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.draw2d.widgets;

import org.eclipse.swt.graphics.Image;

import org.eclipse.draw2d.AbstractBorder;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Insets;
import org.eclipse.draw2d.geometry.Rectangle;

/**
 * @author Pratik Shah
 */
class ImageBorder extends AbstractBorder {

	/*
	 * @TODO:Pratik Need to test this class extensively
	 * 
	 * @TODO Test inside compound borders
	 */

	private Insets imgInsets;
	private Image image;
	private Dimension imageSize;

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

	public Insets getInsets(IFigure figure) {
		return imgInsets;
	}

	public Image getImage() {
		return image;
	}

	/**
	 * @see org.eclipse.draw2d.AbstractBorder#getPreferredSize(org.eclipse.draw2d.IFigure)
	 */
	public Dimension getPreferredSize(IFigure f) {
		return imageSize;
	}

	public void paint(IFigure figure, Graphics graphics, Insets insets) {
		if (image == null)
			return;
		Rectangle rect = getPaintRectangle(figure, insets);
		int x = rect.x;
		int y = rect.y + (rect.height - imageSize.height) / 2;
		graphics.drawImage(getImage(), x, y);
	}

	public void setImage(Image img) {
		image = img;
		imageSize = new Dimension(image);
		imgInsets = new Insets();
		imgInsets.left = imageSize.width;
	}

}