Up_gtkFontVariantSet
_gtkFontVariantSet defines the variant of a Font object.
Prototype : fun [ObjGtkFont I] ObjGtkFont
- ObjGtkFont : any Font object
- I : one of these following values :
- FONT_VARIANT_NORMAL
- FONT_VARIANT_SMALL_CAPS
- Return ObjGtkFont : the same Font object or nil if an error occurs.