1 package org.opentrafficsim.draw;
2
3 import java.awt.Color;
4
5 /**
6 * List of colors to use for various legends.
7 * <p>
8 * Copyright (c) 2023-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
9 * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
10 * </p>
11 * @author <a href="https://tudelft.nl/staff/p.knoppers-1">Peter Knoppers</a>
12 * @author <a href="https://github.com/wjschakel">Wouter Schakel</a>
13 */
14 public final class Colors
15 {
16
17 /** List of colors. */
18 public static Color[] COLORS = new Color[] {Color.BLACK, new Color(0xa5, 0x2a, 0x2a), Color.RED, Color.ORANGE, Color.YELLOW,
19 Color.GREEN, Color.BLUE, Color.MAGENTA, Color.GRAY, Color.WHITE};
20
21 /** Names of the colors. */
22 public static String[] NAMES =
23 new String[] {"black", "brown", "red", "orange", "yellow", "green", "blue", "magenta", "gray", "white"};
24
25 /**
26 * Returns a color for the index. Modulo is applied for indices outside of the normal range.
27 * @param index int; index.
28 * @return Color; color for index.
29 */
30 public static Color get(final int index)
31 {
32 return COLORS[mod(index)];
33 }
34
35 /**
36 * Returns the name of a color for the index. Modulo is applied for indices outside of the normal range.
37 * @param index int; index.
38 * @return String; name of color for index.
39 */
40 public static String name(final int index)
41 {
42 return NAMES[mod(index)];
43 }
44
45 /**
46 * Returns the modulo of the index given the number of colors we have.
47 * @param index int; index.
48 * @return int; index in range of colors.
49 */
50 private static int mod(final int index)
51 {
52 return Math.abs(index % COLORS.length);
53 }
54
55 }