homebridge-hatch-baby-rest/lib/shared/colors.js

Homebridge plugin for Hatch Rest/Restore WiFi sound machines

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.convertToHexRange = convertToHexRange;
exports.convertFromHexRange = convertFromHexRange;
exports.rgbToHsb = rgbToHsb;
exports.hsbToRgb = hsbToRgb;
const rgb2hsv = require('pure-color/convert/rgb2hsv'), hsv2rgb = require('pure-color/convert/hsv2rgb');
const HEX_MAX = 255;
// 0-maxValue in, 0-255 out
function convertToHexRange(value, maxValue) {
    return Math.floor((value / maxValue) * HEX_MAX);
}
function convertFromHexRange(value, maxValue) {
    return Math.floor((value * maxValue) / HEX_MAX);
}
// r,g,b
function rgbToHsb({ r, g, b }, maxValue = HEX_MAX) {
    const [h, s, v] = rgb2hsv([r, g, b].map((value) => convertToHexRange(value, maxValue)));
    return { h, s, b: v };
}
function hsbToRgb(hsb, maxValue = HEX_MAX) {
    const [r, g, b] = hsv2rgb([hsb.h, hsb.s, hsb.b]).map((value) => convertFromHexRange(value, maxValue));
    return { r, g, b };
}