1 package nl.tudelft.goal.ut2004.visualizer.timeline.map;
2
3 import java.awt.Color;
4
5 /**
6 * AWT provided Color class is not very suitable for OpenGl color manipulation so
7 * this class is supposed to remedy it.
8 *
9 * @author Honza
10 */
11 public class GlColor {
12
13 public double r;
14 public double g;
15 public double b;
16 /**
17 * Alpha, 1 is fully opaque, 0 is fully transparent
18 */
19 public double a;
20
21 /**
22 * Create new GlColor
23 * @param r In range <0-1>
24 * @param g In range <0-1>
25 * @param b In range <0-1>
26 * @param a In range <0-1> 0 transparent, 1 opaque
27 */
28 public GlColor(double r, double g, double b, double a) {
29 this.r = r;
30 this.g = g;
31 this.b = b;
32 this.a = a;
33 }
34
35 /**
36 * Create fully opaque GlColor.
37 * @param r In range <0-1>
38 * @param g In range <0-1>
39 * @param b In range <0-1>
40 */
41 public GlColor(double r, double g, double b) {
42 this(r, g, b, 1.0);
43 }
44
45 /**
46 * Create GlColor based on passed Color and alpha
47 * @param color Basic color
48 * @param a In range <0-1> 0 transparent, 1 opaque
49 */
50 public GlColor(Color color, double alpha) {
51 this(color.getRed() / 255.0, color.getGreen() / 255.0, color.getBlue() / 255.0, alpha);
52 }
53
54 /**
55 * Create opaque color based on passed color.
56 * @param color
57 */
58 public GlColor(Color color) {
59 this(color.getRed() / 255.0, color.getGreen() / 255.0, color.getBlue() / 255.0);
60 }
61
62 public GlColor(GlColor color) {
63 this(color.r, color.g, color.b, color.a);
64 }
65
66 /**
67 * Create a mixed color from passed color and this color in following fashion:
68 * <pre>this * (1-portion) + mixing * portion</pre>
69 * @param mixing Color that will be mixed with this one.
70 * @param portion how much of mixing color will be used
71 * @return Mixed color, not that this color won't be changed
72 */
73 public GlColor getMixedWith(GlColor mixing, double portion) {
74 double thisPortion = 1 - portion;
75 return new GlColor(
76 thisPortion * r + portion * mixing.r,
77 thisPortion * g + portion * mixing.g,
78 thisPortion * b + portion * mixing.b,
79 thisPortion * a + portion * mixing.a);
80 }
81
82 @Override
83 public String toString() {
84 return "[r:" + r + "; g:" + g + "; b:" + b + "; a: " + a + "]";
85 }
86 }