接口 ImageData

The underlying pixel data of an area of a element. It is created using the ImageData() constructor or creator methods on the CanvasRenderingContext2D object associated with a canvas: createImageData() and getImageData(). It can also be used to set a part of the canvas by using putImageData().

interface ImageData {
    colorSpace: PredefinedColorSpace;
    data: Uint8ClampedArray;
    height: number;
    width: number;
}

属性

colorSpace data height width

属性

只读colorSpace

colorSpace: PredefinedColorSpace

只读data

data: Uint8ClampedArray

Returns the one-dimensional array containing the data in RGBA order, as integers in the range 0 to 255.

只读height

height: number

Returns the actual dimensions of the data in the ImageData object, in pixels.

只读width

width: number

Returns the actual dimensions of the data in the ImageData object, in pixels.

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