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/*******************************************************************************
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* Copyright (c) 2008, 2010 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Alexander Shatalin (Borland) - initial API and implementation
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*******************************************************************************/
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package org.eclipse.draw2d;
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import org.eclipse.draw2d.geometry.Geometry;
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import org.eclipse.draw2d.geometry.Point;
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import org.eclipse.draw2d.geometry.PointList;
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import org.eclipse.draw2d.geometry.Rectangle;
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/**
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* Renders a {@link PointList} as a series of line segments. All points from the
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* {@link PointList} are recognized as a relative points, so you can move/resize
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* this figure normally by calling {@link Figure#setBounds(Rectangle)}.
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*
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* @since 3.5
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*/
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public class PolylineShape extends AbstractPointListShape {
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private int tolerance = 2;
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/**
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* @return true if the distance between specified point and closest segment
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* of this PolyLine is less then {@link PolylineShape#tolerance}
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*/
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protected boolean shapeContainsPoint(int x, int y) {
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Point location = getLocation();
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return Geometry.polylineContainsPoint(points, x - location.x, y
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- location.y, tolerance);
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}
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protected void fillShape(Graphics graphics) {
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}
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protected void outlineShape(Graphics graphics) {
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graphics.pushState();
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graphics.translate(getLocation());
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graphics.drawPolyline(points);
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graphics.popState();
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}
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/**
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* Setting tolerance parameter. This parameter will be used in
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* {@link PolylineShape#shapeContainsPoint(int, int)}
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*/
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public void setTolerance(int tolerance) {
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this.tolerance = tolerance;
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}
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}
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