Remove obsolete code

pull/10616/head
Alex P 2018-03-27 12:03:03 -07:00
parent 4b4425e45c
commit 763ce1b353
1 changed files with 0 additions and 83 deletions

View File

@ -108,86 +108,3 @@ export const generateThresholdsListHexs = ({
const textColor = baseColor.hex
return {bgColor, textColor}
}
// Handy tool for converting Hexcodes to HSL values
export const HexcodeToHSL = hex => {
const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)
const red = parseInt(result[1], 16) / 255
const green = parseInt(result[2], 16) / 255
const blue = parseInt(result[3], 16) / 255
const max = Math.max(red, green, blue)
const min = Math.min(red, green, blue)
let hue,
saturation,
lightness = (max + min) / 2
if (max === min) {
hue = saturation = 0 // achromatic
} else {
const d = max - min
saturation = lightness > 0.5 ? d / (2 - max - min) : d / (max + min)
switch (max) {
case red:
hue = (green - blue) / d + (green < blue ? 6 : 0)
break
case green:
hue = (blue - red) / d + 2
break
case blue:
hue = (red - green) / d + 4
break
}
hue /= 6
}
hue = Math.round(360 * hue)
saturation = Math.round(saturation * 100)
lightness = Math.round(lightness * 100)
return {hue, saturation, lightness}
}
// Handy tool for converting HSL values to Hexcode
export const HSLToHexcode = (hue, saturation, lightness) => {
hue /= 360
saturation /= 100
lightness /= 100
let red, green, blue
if (saturation === 0) {
red = green = blue = lightness // achromatic
} else {
const hue2rgb = (p, q, t) => {
if (t < 0) {
t += 1
}
if (t > 1) {
t -= 1
}
if (t < 1 / 6) {
return p + (q - p) * 6 * t
}
if (t < 1 / 2) {
return q
}
if (t < 2 / 3) {
return p + (q - p) * (2 / 3 - t) * 6
}
return p
}
const q =
lightness < 0.5
? lightness * (1 + saturation)
: lightness + saturation - lightness * saturation
const p = 2 * lightness - q
red = hue2rgb(p, q, hue + 1 / 3)
green = hue2rgb(p, q, hue)
blue = hue2rgb(p, q, hue - 1 / 3)
}
const toHex = x => {
const hex = Math.round(x * 255).toString(16)
return hex.length === 1 ? `0${hex}` : hex
}
return `#${toHex(red)}${toHex(green)}${toHex(blue)}`
}