Image editor with raster and vector layers (gtk2)

 Can read layered files (lzp, ora, pdn, oXo, flat psd), multi-images (gif,
 ico, tiff), flat files (bmp, jpeg, pcx, png, tga, webp, xpm, xwd),
 raw images (dng, cr2, nef, arw...), vectorial (svg), 3D (obj). Has drawing
 tools, vector shapes, phong shading, curve adjustments, filters, render
 some textures, Python scripting.
 Uses Gtk2 widgetset.