const source = (source => {
switch (source.space) {
case 'HEX':
case '#HEX':
const [input, r, g, b] = source.input
return {
name: `${r}${r}${g}${g}${b}${b}`,
rgb: converter.hex.rgb(`${r}${r}${g}${g}${b}${b}`),
input
}
case 'HEXHEX':
case '#HEXHEX':
return {
name: source.input,
rgb: converter.hex.rgb(this.name)
}
case 'RGB':
return {
name: converter.rgb.hex(source.input),
rgb: converter.hex.rgb(this.name)
}
case 'HSL':
return {
name: converter.hsl.hex(source.input),
rgb: converter.hsl.rgb(source.input)
}
case 'HSV':
return {
name: converter.hsv.hex(source.input),
rgb: converter.hsv.rgb(source.input)
}
case 'HWB':
return {
name: converter.hwb.hex(source.input),
rgb: converter.hwb.rgb(source.input)
}
case 'SGR':
return {
name: source.input,
rgb: source.input
}
case 'named':
return {
name: converter.keyword.hex(source.input),
rgb: converter.keyword.rgb(source.input)
}
default:
throw new Error(`Unrecognised color space: ${source.space}`)
}
})(this.source)
value: function(r, g, b) {
var rgb = [r, g, b];
if (arguments.length === 1) {
if (Array.isArray(r)) {
rgb = r;
}
if (typeof r === "string") {
rgb = converter.keyword.rgb(r);
if (rgb === undefined) {
if (r.startsWith("#")) {
r = r.slice(1);
}
rgb = converter.hex.rgb(r);
}
}
}
if (rgb === undefined) {
throw new Error("Invalid RGB value");
}
[0x04, 0x03, 0x02].forEach(function(cmd, i) {
this.io.i2cWrite(this.address.rgb, [cmd, rgb[i]]);
}, this);
return this;
}
export const darken = c => d => {
const hex = toHex(c) // c.split('#')[1]
const rgb = toRgb(''+ hex)
const althsl = toHsl(rgb)
const hsl = convert.hex.hsl(hex)
hsl[2] = hsl[2] * d
const val = convert.hsl.hex(...hsl)
console.log('convert', hex, hsl, val, '(rgb)', rgb)
return val
}