| /****************************************************************************** |
| * Copyright (c) 2002, 2003 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.gmf.runtime.gef.ui.internal.figures; |
| |
| import org.eclipse.draw2d.Graphics; |
| import org.eclipse.draw2d.geometry.Dimension; |
| import org.eclipse.draw2d.geometry.Point; |
| import org.eclipse.draw2d.geometry.PointList; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| |
| import org.eclipse.gmf.runtime.draw2d.ui.figures.IPolygonAnchorableFigure; |
| import org.eclipse.gmf.runtime.gef.ui.figures.NodeFigure; |
| |
| |
| /** |
| * Draws a diamond figure. |
| * @author mmuszyns |
| * @canBeSeenBy %level0 |
| */ |
| public class DiamondFigure extends NodeFigure implements IPolygonAnchorableFigure{ |
| |
| /** |
| * Create an instance. |
| * @param dim the preferred size. |
| */ |
| public DiamondFigure( Dimension dim ) { |
| setPreferredSize(dim); |
| } |
| |
| /** |
| * paints the object flow figure: a rectangular shape. |
| * @param graphics |
| */ |
| protected void paintFigure(Graphics graphics) { |
| Rectangle r = new Rectangle(); |
| PointList pointList = new PointList(); |
| |
| r.x = bounds.x; |
| r.y = bounds.y; |
| r.width = bounds.width - 1; |
| r.height = bounds.height - 1; |
| pointList.removeAllPoints(); |
| pointList.addPoint(r.x + r.width / 2, r.y); |
| pointList.addPoint(r.x + r.width, r.y + r.height / 2); |
| pointList.addPoint(r.x + r.width / 2, r.y + r.height); |
| pointList.addPoint(r.x, r.y + r.height / 2); |
| graphics.fillPolygon(pointList); |
| graphics.drawPolygon(pointList); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gmf.runtime.gef.ui.internal.figures.IPolygonAnchorableFigure#getPolygonPoints() |
| */ |
| public PointList getPolygonPoints() { |
| PointList ptList = new PointList(); |
| ptList.addPoint(new Point(getBounds().x+getBounds().width/2, getBounds().y)); |
| ptList.addPoint(new Point(getBounds().x+getBounds().width, getBounds().y+getBounds().height/2)); |
| ptList.addPoint(new Point(getBounds().x+getBounds().width/2, getBounds().y+getBounds().height)); |
| ptList.addPoint(new Point(getBounds().x, getBounds().y+getBounds().height/2)); |
| ptList.addPoint(new Point(getBounds().x+getBounds().width/2, getBounds().y)); |
| return ptList; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gmf.runtime.gef.ui.figures.NodeFigure#getSlidableAnchorArea() |
| */ |
| protected double getSlidableAnchorArea() { |
| return 0.7; |
| } |
| } |