The bits in a PangoFontMask correspond to fields in a PangoFontDescription that have been set.
Value | Symbolic name | Description |
| 1 | Pango::FONT_MASK_FAMILY | The font family is specified. |
| 2 | Pango::FONT_MASK_STYLE | The font style is specified. |
| 4 | Pango::FONT_MASK_VARIANT | The font variant is specified. |
| 8 | Pango::FONT_MASK_WEIGHT | The font weight is specified. |
| 16 | Pango::FONT_MASK_STRETCH | The font stretch is specified. |
| 32 | Pango::FONT_MASK_SIZE | The font size is specified. |