pango-font-description-weight (desc)

desc -- a pango-font-description instance
weight -- an integer for the weight of the font description

Accessor of the weight field of a font description.

The function pango-font-description-weight gets the weight field of a font description. The function (setf pango-font-description-weight) sets the weight field. The weight field specifies how bold or light the font should be. In addition to the values of the pango-weight enumeration, other intermediate numeric values are possible.