[pango/variable-face: 2/2] Wip: Add variable face api

[Matthias Clasen <matthiasc src gnome org>]

commit de566f30b1fda7c4c9293be9a67ddcd74ffb7f5b
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Oct 15 10:59:22 2018 -0700

    Wip: Add variable face api

 pango/pango-font.h | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)
---
diff --git a/pango/pango-font.h b/pango/pango-font.h
index 4af31a95..11e3d323 100644
--- a/pango/pango-font.h
+++ b/pango/pango-font.h
@@ -492,6 +492,12 @@ void                  pango_font_face_list_sizes     (PangoFontFace  *face,
 PANGO_AVAILABLE_IN_1_18
 gboolean              pango_font_face_is_synthesized (PangoFontFace  *face) G_GNUC_PURE;
 
+PANGO_AVAILABLE_IN_1_44
+gboolean              pango_font_face_is_named_instance (PangoFontFace *face);
+
+PANGO_AVAILABLE_IN_1_44
+gboolean              pango_font_face_is_variable (PangoFontFace *face);
+
 #ifdef PANGO_ENABLE_BACKEND
 
 #define PANGO_FONT_FACE_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_FONT_FACE, 
PangoFontFaceClass))
@@ -500,6 +506,12 @@ gboolean              pango_font_face_is_synthesized (PangoFontFace  *face) G_GN
 
 typedef struct _PangoFontFaceClass   PangoFontFaceClass;
 
+enum {
+  PANGO_FONT_FACE_IS_SYNTHESIZED    = 1 << 0,
+  PANGO_FONT_FACE_IS_NAMED_INSTANCE = 1 << 1,
+  PANGO_FONT_FACE_IS_VARIABLE       = 1 << 2,
+} PangoFontFaceFlags;
+
 /**
  * PangoFontFace:
  *
@@ -523,11 +535,11 @@ struct _PangoFontFaceClass
                                            int           **sizes,
                                            int            *n_sizes);
   gboolean               (*is_synthesized) (PangoFontFace *face);
+  PangoFontFaceFlags     (*get_flags)      (PangoFontFace *face);
 
   /*< private >*/
 
   /* Padding for future expansion */
-  void (*_pango_reserved3) (void);
   void (*_pango_reserved4) (void);
 };