rotate-image-data v0.1.0

Rotate Image Data

Rotate a decoded raw image.

Note: Currently only 180 degrees rotation is implemented.

Installation

npm install --save rotate-image-data

Usage

const rotateImageData = require('rotate-image-data')

const result = rotateImageData(image, 180)

console.log(result.width)
//=> 128

console.log(result.height)
//=> 256

console.log(result.data)
//=> Uint8ClampedArray [ ... ]

API

rotateImageData(image, degrees)

Rotate the image with the supplied number of degrees.

The image argument should be a ImageData instance, or any object with the following properties:

• width: Number - The width of the image, in pixels
• height: Number - The height of the image, in pixels
• data: Buffer | TypedArray - The image data, stored as raw pixel data in the RGBA order

Returns an ImageData instance.

Related

• resize-image-data - Resize a decoded raw image