Class Histogram

constructor

• new Histogram(
      peak?: number,
      mean?: number,
      min?: number,
      max?: number,
  ): Histogram

  Parameters

  • Optionalpeak: number
  • Optionalmean: number
  • Optionalmin: number
  • Optionalmax: number

  Returns Histogram

max

mean

min

peak

formPixels

• formPixels(
      ...rgbaArray: (
          Uint8Array<ArrayBufferLike>
          | Uint8ClampedArray<ArrayBufferLike>
      )[],
  ): Histogram

  从图像获取直方图

  Parameters

  • ...rgbaArray: (Uint8Array<ArrayBufferLike> | Uint8ClampedArray<ArrayBufferLike>)[]

    像素数组，像素 rgba 排列

  Returns Histogram

toArray

• toArray(): number[]

  导出直方图参数为数组 [peak, mean, min, max]

  Returns number[]

toJSON

• toJSON(): { max: number; mean: number; min: number; peak: number }

  Returns { max: number; mean: number; min: number; peak: number }

toString

• toString(): string

  导出直方图参数为字符串 peak mean min max

  Returns string