The Background Canvas widget allows you to easily integrate WebGL with Canvas in your website and apply shader effects to edit your images.
The following effects are available:
Halftone, that reproduces the dithering effect;
Film, characterized by vibrating horizontal lines that resemble the effect of an old television;
Pixel, that resembles a low resolution image;
Glitch, a creative distortion;
Shift RGB, characterized by the Shift of the RGB channels that compose the image;
Dots, an old style black and white dithering effect.