CanvasContext.putImageData

2023-06-28 02:52

Draw the pixel data into the canvas.

Parameters

It is Object type.

Property	Type	Required	Description
data	Uint8ClampedArray	Yes	Image pixel data, it is an array, and the four elements represent the rgba data.
x	Number	Yes	The x offset for the original data in the destination canvas.
y	Number	Yes	The y offset for the original data in the destination canvas.
width	Number	Yes	The width of the original data.
height	Number	Yes	The height of the original data.
success	Function	No	Callback function upon call success.
fail	Function	No	Callback function upon call failure.
complete	Function	No	Callback function upon call completion (to be executed upon either call success or failure).

Sample Code

copy

// .js
const data = new Uint8ClampedArray([255, 0, 0, 1])
const ctx = my.createCanvasContext('awesomeCanvas')

ctx.putImageData({
    x: 0,
    y: 0,
    width: 1,
    height: 1,
    data: data,
    success(res) {}
})