Usage no npm install needed!

<script type="module">
  import sobelEs6 from 'https://cdn.skypack.dev/sobel-es6';
</script>

README

sobel-es6

Sobel Algorithm in ES6. DEMO

Install

npm install sobel-es6

or just include the JS file: build/sobel.js

Usage

var canvas = document.getElementById('canvas'),
    ctx = canvas.getContext('2d'),
    image = new Image()

image.src = "../images/cherry.png"
image.onload = function() {
    var w = canvas.width = image.width,
        h = canvas.height = image.height

    ctx.drawImage(image, 0, 0)
    var result = sobel(ctx.getImageData(0, 0, w, h))
    ctx.putImageData(result.imageData(), 0, 0)
}

Contribute

Environment

npm install -g babel

Development

The command below will compile the JS file as long as it is modified.

npm start

build

npm run build