| Line | Hits | Source |
|---|---|---|
| 1 | /* | |
| 2 | * Created on Jul 19, 2005 | |
| 3 | * | |
| 4 | * Copyright (c) 2005, the JUNG Project and the Regents of the University | |
| 5 | * of California | |
| 6 | * All rights reserved. | |
| 7 | * | |
| 8 | * This software is open-source under the BSD license; see either | |
| 9 | * "license.txt" or | |
| 10 | * http://jung.sourceforge.net/license.txt for a description. | |
| 11 | */ | |
| 12 | package edu.uci.ics.jung.visualization; | |
| 13 | ||
| 14 | import java.awt.Dimension; | |
| 15 | import java.awt.geom.Point2D; | |
| 16 | import java.util.Date; | |
| 17 | import java.util.HashMap; | |
| 18 | import java.util.Iterator; | |
| 19 | import java.util.Map; | |
| 20 | ||
| 21 | import cern.jet.random.engine.DRand; | |
| 22 | import cern.jet.random.engine.RandomEngine; | |
| 23 | import edu.uci.ics.jung.graph.ArchetypeVertex; | |
| 24 | ||
| 25 | public class RandomVertexLocationDecorator implements VertexLocationFunction | |
| 26 | { | |
| 27 | RandomEngine rand; | |
| 28 | 19 | Map v_locations = new HashMap(); |
| 29 | Dimension dim; | |
| 30 | ||
| 31 | public RandomVertexLocationDecorator(Dimension d) | |
| 32 | 19 | { |
| 33 | 19 | this.rand = new DRand((int)(new Date().getTime())); |
| 34 | 19 | this.dim = d; |
| 35 | 19 | } |
| 36 | ||
| 37 | public RandomVertexLocationDecorator(Dimension d, int seed) | |
| 38 | 0 | { |
| 39 | 0 | this.rand = new DRand(seed); |
| 40 | 0 | this.dim = d; |
| 41 | 0 | } |
| 42 | ||
| 43 | /** | |
| 44 | * Resets all vertex locations returned by <code>getLocation</code> | |
| 45 | * to new (random) locations. | |
| 46 | */ | |
| 47 | public void reset() | |
| 48 | { | |
| 49 | 0 | v_locations.clear(); |
| 50 | 0 | } |
| 51 | ||
| 52 | public Point2D getLocation(ArchetypeVertex v) | |
| 53 | { | |
| 54 | 1015 | Point2D location = (Point2D)v_locations.get(v); |
| 55 | 1015 | if (location == null) |
| 56 | { | |
| 57 | 905 | location = new Point2D.Double(rand.nextDouble() * dim.width, rand.nextDouble() * dim.height); |
| 58 | 905 | v_locations.put(v, location); |
| 59 | } | |
| 60 | 1015 | return location; |
| 61 | } | |
| 62 | ||
| 63 | public Iterator getVertexIterator() | |
| 64 | { | |
| 65 | 0 | return v_locations.keySet().iterator(); |
| 66 | } | |
| 67 | } |
|
this report was generated by version 1.0.5 of jcoverage. |
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