Line | Hits | Source |
---|---|---|
1 | /* | |
2 | * Created on Oct 19, 2004 | |
3 | * | |
4 | * Copyright (c) 2004, 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.geom.GeneralPath; | |
15 | ||
16 | /** | |
17 | * A utility class for creating arrowhead shapes. | |
18 | * | |
19 | * @author Joshua O'Madadhain | |
20 | */ | |
21 | 0 | public class ArrowFactory |
22 | { | |
23 | /** | |
24 | * Returns an arrowhead in the shape of a simple isosceles triangle | |
25 | * with the specified base and height measurements. It is placed | |
26 | * with the vertical axis along the negative x-axis, with its base | |
27 | * centered on (0,0). | |
28 | */ | |
29 | public static GeneralPath getWedgeArrow(float base, float height) | |
30 | { | |
31 | 0 | GeneralPath arrow = new GeneralPath(); |
32 | 0 | arrow.moveTo(0,0); |
33 | 0 | arrow.lineTo( - height, base/2.0f); |
34 | 0 | arrow.lineTo( - height, -base/2.0f); |
35 | 0 | arrow.lineTo( 0, 0 ); |
36 | 0 | return arrow; |
37 | } | |
38 | ||
39 | /** | |
40 | * Returns an arrowhead in the shape of an isosceles triangle | |
41 | * with an isoceles-triangle notch taken out of the base, | |
42 | * with the specified base and height measurements. It is placed | |
43 | * with the vertical axis along the negative x-axis, with its base | |
44 | * centered on (0,0). | |
45 | */ | |
46 | public static GeneralPath getNotchedArrow(float base, float height, float notch_height) | |
47 | { | |
48 | 0 | GeneralPath arrow = new GeneralPath(); |
49 | 0 | arrow.moveTo(0,0); |
50 | 0 | arrow.lineTo(-height, base/2.0f); |
51 | 0 | arrow.lineTo(-(height - notch_height), 0); |
52 | 0 | arrow.lineTo(-height, -base/2.0f); |
53 | 0 | arrow.lineTo(0,0); |
54 | 0 | return arrow; |
55 | } | |
56 | } |
this report was generated by version 1.0.5 of jcoverage. |
copyright © 2003, jcoverage ltd. all rights reserved. |