JSFiddle - React, Tailwind, and code Playground
by confile
HTML
<div id="container"></div>
<script src="http://d3lp1msu2r81bx.cloudfront.net/kjs/js/lib/kinetic-v5.1.0.min.js"></script>
JavaScript
console.clear();
imageObj = new Image()
img = null;
stage = new Kinetic.Stage({
container: 'container',
width: 600,
height: 700
});
layer = new Kinetic.Layer();
stage.add(layer);
imageObj.onload = function () {
var strokeWidthValue = 10;
img = new Kinetic.Image({
x: 250,
y: 200,
image: this
});
img.clearCache();
img.setOffsetX(img.getWidth() / 2);
img.setOffsetY(img.getHeight() / 2);
img.stroke("green");
img.strokeWidth(strokeWidthValue);
img.strokeScaleEnabled(false);
img.strokeEnabled(true);
layer.add(img);
img.cache({
x: -(img.getWidth() / 2),
y: -(img.getHeight() / 2),
width: img.getWidth(),
height: img.getHeight()
});
img.filters([Kinetic.Filters.Invert]);
go();
img.stroke("red");
layer.draw();
};
imageObj.crossOrigin = "anonymous";
imageObj.src = "https://dl.dropboxusercontent.com/u/47067729/darth-vader.jpg";
var done = false;
var go = function () {
if (!done) {
done = true;
img.attrs['image'].src = img._cache.canvas.scene.toDataURL();
img.clearCache();
// layer.draw();
}
}