import { Color } from 'three'

export class Lut {
  constructor(colormap?: string, numberofcolors?: number)
  lut: Color[]
  map: object[]
  n: number
  minV: number
  maxV: number

  set(value: Lut): this
  setMin(min: number): this
  setMax(max: number): this
  setColorMap(colormap?: string, numberofcolors?: number): this
  copy(lut: Lut): this
  getColor(alpha: number): Color
  addColorMap(colormapName: string, arrayOfColors: number[][]): void
  createCanvas(): HTMLCanvasElement
  updateCanvas(canvas: HTMLCanvasElement): HTMLCanvasElement
}

export interface ColorMapKeywords {
  rainbow: number[][]
  cooltowarm: number[][]
  blackbody: number[][]
  grayscale: number[][]
}