To be ready to catch up on Athens when it will be default rendering engine, you may want have source icon as svg and exported as png with Inkscape. I use this set up for iStoa clipart, oversampled as bitmap for a Nexus 5 screen display resolution, then downscaled at load time to the used display resolution.
Hilaire Le 04/06/2014 14:07, Stephan Eggermont a écrit : > Hi Phil, > > I mostly just use Gimp, but that is not a very efficient and effective > solution. > Most icons, especially those in flat styles, should be rendered/generated > from a vector format instead of from a bitmap. They should be programmed, > to be themable. Fontographer is actually a much better tool for the kind > of icons found in bootstrap like styles > > Stephan > -- Dr. Geo http://drgeo.eu