Determines whether the size of the font is in points (not absolute) or device units (absolute).
See pango_font_description_set_size() and pango_font_description_set_absolute_size().
whether the size for the font description is in
points or device units. Use pango_font_description_get_set_fields() to
find out if the size field of the font description was explicitly set or not.
Determines whether the size of the font is in points (not absolute) or device units (absolute). See pango_font_description_set_size() and pango_font_description_set_absolute_size().