| /******************************************************************************* |
| * Copyright (c) 2008, 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: |
| * Alexander Shatalin (Borland) - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.draw2d; |
| |
| import org.eclipse.draw2d.geometry.Geometry; |
| import org.eclipse.draw2d.geometry.Point; |
| import org.eclipse.draw2d.geometry.PointList; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| |
| /** |
| * Renders a {@link PointList} as a series of line segments. All points from the |
| * {@link PointList} are recognized as a relative points, so you can move/resize |
| * this figure normally by calling {@link Figure#setBounds(Rectangle)}. |
| * |
| * @since 3.5 |
| */ |
| public class PolylineShape extends AbstractPointListShape { |
| |
| private int tolerance = 2; |
| |
| /** |
| * @return true if the distance between specified point and closest segment |
| * of this PolyLine is less then {@link PolylineShape#tolerance} |
| */ |
| protected boolean shapeContainsPoint(int x, int y) { |
| Point location = getLocation(); |
| return Geometry.polylineContainsPoint(points, x - location.x, y |
| - location.y, tolerance); |
| } |
| |
| protected void fillShape(Graphics graphics) { |
| } |
| |
| protected void outlineShape(Graphics graphics) { |
| graphics.pushState(); |
| graphics.translate(getLocation()); |
| graphics.drawPolyline(points); |
| graphics.popState(); |
| } |
| |
| /** |
| * Setting tolerance parameter. This parameter will be used in |
| * {@link PolylineShape#shapeContainsPoint(int, int)} |
| */ |
| public void setTolerance(int tolerance) { |
| this.tolerance = tolerance; |
| } |
| |
| } |