CSS FilterLab uses CSS Filters, an exciting web technology that's becoming available in more and more browsers. Check out Can I Use for availability information.
Articles about FilterLab
Introducing CSS FilterLab by Razvan Caliman at Adobe
CSS FilterLab Detailed Walkthrough from Alan Greenblatt's blog
Note: These articles mention CSS Custom Filters, an experimental technology no longer available in CSS FilterLab.
Contributing to FilterLab
Pull requests are reviewed and accepted.
Check out our contributing page for more info.
Running FilterLab Locally
The CodeMirror library is linked as a git submodule. After you clone the project on your machine you'll need to setup the submodules and pull in their code.
cd ./path/to/css/filterlab/ $ git submodule update --init
$ sudo npm install -g grunt
The grunt.js project file uses other node.js modules. To quicly install all the required libraries run "npm install" in the project folder.
cd ./path/to/css/filterlab/ $ sudo npm install
You also need to make sure you have Ruby & Sass installed. If you're on OS X or Linux you probably already have them installed. Try
ruby -v in your terminal. When you've confirmed you have Ruby installed, run
sudo gem install sass to get Sass.
To build CSS FilterLab, you need to run the "grunt" command line tool in the project folder. This will generate the "dist/" folder.
cd ./path/to/css/filterlab/ $ grunt
File System Access
CSS FilterLab requires XHR access, but that doesn't work very well when loaded from file:// URLs. For that reason running CSS FilterLab requires serving it from a server. The easiest way to do that on a Mac would be to use python's simple server:
cd [./path/to/css/filterlab]/dist/ python -m SimpleHTTPServer
Open http://localhost:8000 in your browser.
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