Here you can find the source of RGBAFromHSLA(float h, float s, float l, float a)
| Parameter | Description |
|---|---|
| value | a parameter |
public static String RGBAFromHSLA(float h, float s, float l, float a)
//package com.java2s; //License from project: Open Source License public class Main { /**/* w ww .java 2 s. c o m*/ * Converts SAC HSLA (or HSL) LexicalUnit value to RGBA * @param value * @return */ public static String RGBAFromHSLA(float h, float s, float l, float a) { int r, g, b; float m2; if (l <= 0.5) m2 = l * (s + 1); else m2 = l + s - l * s; float m1 = l * 2 - m2; r = (int) (HUEToRGB(m1, m2, h + 1 / 3F) * 255); g = (int) (HUEToRGB(m1, m2, h) * 255); b = (int) (HUEToRGB(m1, m2, h - 1 / 3F) * 255); return String.format("rgba(%s, %s, %s, %s)", r, g, b, a); } private static float HUEToRGB(float m1, float m2, float h) { if (h < 0) h++; if (h > 1) h--; if (h * 6 < 1) return m1 + (m2 - m1) * h * 6; if (h * 2 < 1) return m2; if (h * 3 < 2) return m1 + (m2 - m1) * (2 / 3F - h) * 6; return m1; } }