EllipseTool.java

/*******************************************************************************
 * Copyright (c) 2000, 2012 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.swt.examples.paint;


import org.eclipse.swt.graphics.*;

/**
 * A drawing tool.
 */
public class EllipseTool extends DragPaintSession implements PaintTool {
	private ToolSettings settings;

	/**
	 * Constructs a EllipseTool.
	 * 
	 * @param toolSettings the new tool settings
	 * @param paintSurface the PaintSurface we will render on.
	 */
	public EllipseTool(ToolSettings toolSettings, PaintSurface paintSurface) {
		super(paintSurface);
		set(toolSettings);
	}

	/**
	 * Sets the tool's settings.
	 * 
	 * @param toolSettings the new tool settings
	 */
	public void set(ToolSettings toolSettings) {
		settings = toolSettings;
	}

	/**
	 * Returns name associated with this tool.
	 * 
	 * @return the localized name of this tool
	 */
	public String getDisplayName() {
		return PaintExample.getResourceString("tool.Ellipse.label");
	}

	/*
	 * Template methods for drawing
	 */
	protected Figure createFigure(Point a, Point b) {
		ContainerFigure container = new ContainerFigure();
		if (settings.commonFillType != ToolSettings.ftNone)
			container.add(new SolidEllipseFigure(settings.commonBackgroundColor, a.x, a.y, b.x, b.y));
		if (settings.commonFillType != ToolSettings.ftSolid)
			container.add(new EllipseFigure(settings.commonForegroundColor, settings.commonBackgroundColor, settings.commonLineStyle,
				a.x, a.y, b.x, b.y));
		return container;
	}
}