Lena.js

Tiny library for image processing

Demo

https://fellipe.com/demos/lena-js/

Current filters

• gaussian
• grayscale
• highpass
• invert
• laplacian
• prewitt
• rgb
• roberts
• saturation
• sepia
• sharpen
• sobel
• thresholding
• lowpass 3x3
• lowpass 5x5

Install via bower

bower install lena.js

Developing new filters

Follow those steps to develop new filters.

Steps	Description	Command
01	Install npm	npm install
02	If you have installed Grunt globally in the past, you will need to remove it first	npm uninstall -g grunt
03	Install grunt-cli	npm install -g grunt-cli
04	Install grunt to current project	npm install grunt --save-dev
05	And finally run it with	grunt watch

Author

Davidson Fellipe

Tutorials

• How to add image filters (photo effects) to images in the browser with JavaScript using Lena.js

Contribute

Anyone and everyone is welcome to contribute. See some developers that helped.

License

Code is under MIT license