image-hide

1.0.3 • Public • Published

image-hide

Put a secret image into another image using alpha channel magic.

Try to view this image under black background:

Inspired by Hackergame 2019

Usage

npm install --save image-hide
import { promises as fs } from 'fs'
import hide from 'image-hide'

// Size (width & height) of these images should be same.
let imageA = await fs.readFile('a.png')
let imageB = await fs.readFile('b.png')

await fs.writeFile('result.png', Buffer.from(hide(imageA, imageB)))

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Install

npm i image-hide

Weekly Downloads

3

Version

1.0.3

License

MIT

Unpacked Size

9.47 kB

Total Files

10

Last publish

Collaborators

  • coxxs