PangoFontMask:
@PANGO_FONT_MASK_FAMILY: the font family is specified.
@PANGO_FONT_MASK_STYLE: the font style is specified.
@PANGO_FONT_MASK_VARIANT: the font variant is specified.
@PANGO_FONT_MASK_WEIGHT: the font weight is specified.
@PANGO_FONT_MASK_STRETCH: the font stretch is specified.
@PANGO_FONT_MASK_SIZE: the font size is specified.
@PANGO_FONT_MASK_GRAVITY: the font gravity is specified (Since: 1.16.)
The bits in a #PangoFontMask correspond to fields in a
#PangoFontDescription that have been set.
PangoFontMask: @PANGO_FONT_MASK_FAMILY: the font family is specified. @PANGO_FONT_MASK_STYLE: the font style is specified. @PANGO_FONT_MASK_VARIANT: the font variant is specified. @PANGO_FONT_MASK_WEIGHT: the font weight is specified. @PANGO_FONT_MASK_STRETCH: the font stretch is specified. @PANGO_FONT_MASK_SIZE: the font size is specified. @PANGO_FONT_MASK_GRAVITY: the font gravity is specified (Since: 1.16.)
The bits in a #PangoFontMask correspond to fields in a #PangoFontDescription that have been set.