1 package edu.jiangxin.apktoolbox.convert.color.colorspace;
2
3 import java.awt.*;
4 import java.awt.color.ColorSpace;
5
6 public class HsbColorSpace extends ColorSpace {
7
8 protected HsbColorSpace(int type, int numComponents) {
9 super(type, numComponents);
10 }
11
12 public static HsbColorSpace getInstance() {
13 return Holder.INSTANCE;
14 }
15
16 @Override
17 public float[] toRGB(float[] colorvalue) {
18 int rgb = Color.HSBtoRGB(colorvalue[0], colorvalue[1], colorvalue[2]);
19 return new float[]{
20 (rgb >> 16 & 0xFF) / 255f,
21 (rgb >> 8 & 0xFF) / 255f,
22 (rgb & 0xFF) / 255f
23 };
24 }
25
26 @Override
27 public float[] fromRGB(float[] rgbvalue) {
28 int r = (int) (rgbvalue[0] * 255);
29 int g = (int) (rgbvalue[1] * 255);
30 int b = (int) (rgbvalue[2] * 255);
31 return Color.RGBtoHSB(r, g, b, null);
32 }
33
34 @Override
35 public float[] toCIEXYZ(float[] colorvalue) {
36 float[] rgb = toRGB(colorvalue);
37 return ColorSpace.getInstance(CS_sRGB).toCIEXYZ(rgb);
38 }
39
40 @Override
41 public float[] fromCIEXYZ(float[] colorvalue) {
42 float[] rgb = ColorSpace.getInstance(CS_sRGB).fromCIEXYZ(colorvalue);
43 return fromRGB(rgb);
44 }
45
46 private static class Holder {
47 private static final HsbColorSpace INSTANCE = new HsbColorSpace(TYPE_HSV, 3);
48 }
49 }