glur

Fast Gaussian Blur in pure JavaScript, via IIR filter. Speed does not depend on blur radius.

demo 1, demo 2.

Install

npm install glur

API

import { blurRGBA, blurMono16 } from 'glur'

blurRGBA(src, width, height, radius)

• src - Uint8ClampedArray or Uint8Array with RGBA image data (modified in place).
• width - image width.
• height - image height.
• radius - blur radius.

blurMono16(src, width, height, radius)

Same as above, but input is a grayscale Uint16Array. Useful for unsharp mask via brightness/lightness channel.

Authors

• Andrey Tupitsin @anrd83
• Alexander Rodin @a-rodin
• Vitaly Puzrin @puzrin

References

• IIR Gaussian Blur Filter Implementation using Intel® Advanced Vector Extensions - very good article with technical details for programmers.

Licence

MIT