Actually, no.
To let Synfig export/import SVG you don’t need to know anything about SIF. You only need to handle Synfig’s internal data structures which are probably way easier to handle than SIF.
Actually, no.
To let Synfig export/import SVG you don’t need to know anything about SIF. You only need to handle Synfig’s internal data structures which are probably way easier to handle than SIF.