import type { TRgba , THsva } from '@fantasy-color/types' ; export default ( { hue , saturation , value , alpha } ) : TRgba => { const normalizedSaturation = saturation / 100 ; const normalizedValue = value / 100 ; const hueSextile = Math . floor ( ( hue / 60 ) % 6 ) ; const f = ( hue / 60 ) - hueSextile ; const p = normalizedValue * ( 1 - normalizedSaturation ) ; const q = normalizedValue * ( 1 - f * normalizedSaturation ) ; const t = normalizedValue * ( 1 - ( 1 - f ) * normalizedSaturation ) ; let red ; let green ; let blue ; switch ( hueSextile ) { case 0 : red = normalizedValue ; green = t ; blue = p ; break ; case 1 : red = q ; green = normalizedValue ; blue = p ; break ; case 2 : red = p ; green = normalizedValue ; blue = t ; break ; case 3 : red = p ; green = q ; blue = normalizedValue ; break ; case 4 : red = t ; green = p ; blue = normalizedValue ; break ; default : red = normalizedValue ; green = p ; blue = q ; break ; } return { red : Math . min ( 255 , Math . round ( red * 256 ) ) , green : Math . min ( 255 , Math . round ( green * 256 ) ) , blue : Math . min ( 255 , Math . round ( blue * 256 ) ) , alpha , } ; } ;