It defines an Image class which represents and Image
and 4 basic filters
* ColorMatrixFilter (analogous to the actionscript version)
* ConvolutionMatrixFilter (analogous to the actionscript version)
* DisplacementMapFilter (analogous to actionscript version)
* Image Blending Modes (analogous to Photoshop blends)
each basic filter is generic but it also includes basic filters
like grayscale, colorize, threshold, gauss, laplace, emboss, etc..
also a SobelFilter is defined which is a composite filter (composition of generic filters)
source code, minified version and build tools are included
also 2 examples are included a basic and an example with three.js
*Author* Nikos M.