[pango/kill-ft-face: 1/14] Add an api to get features of a font

[Matthias Clasen <matthiasc src gnome org>]

commit 7b59b884ebd13eb8e867ac78afbf938c9a3b8d99
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jul 9 23:08:37 2019 -0400

    Add an api to get features of a font

 pango/fonts.c              | 10 ++++++++++
 pango/pango-font-private.h |  8 ++++----
 pango/pango-font.h         |  5 +++++
 3 files changed, 19 insertions(+), 4 deletions(-)
---
diff --git a/pango/fonts.c b/pango/fonts.c
index 7d61b992..e363b7cc 100644
--- a/pango/fonts.c
+++ b/pango/fonts.c
@@ -2354,3 +2354,13 @@ pango_font_face_list_sizes (PangoFontFace  *face,
       *n_sizes = 0;
     }
 }
+
+void
+pango_font_get_features (PangoFont    *font,
+                         hb_feature_t *features,
+                         guint         len,
+                         guint        *num_features)
+{
+  if (PANGO_FONT_GET_CLASS (font)->get_features)
+    PANGO_FONT_GET_CLASS (font)->get_features (font, features, len, num_features);
+}
diff --git a/pango/pango-font-private.h b/pango/pango-font-private.h
index 48ad8771..98899580 100644
--- a/pango/pango-font-private.h
+++ b/pango/pango-font-private.h
@@ -177,11 +177,11 @@ struct _PangoFontClass
   PangoFontMap *        (*get_font_map)       (PangoFont      *font);
   PangoFontDescription *(*describe_absolute)  (PangoFont      *font);
   hb_font_t *           (*create_hb_font)     (PangoFont      *font);
+  void                  (*get_features)       (PangoFont      *font,
+                                               hb_feature_t   *features,
+                                               guint           len,
+                                               guint          *num_features);
 
-  /*< private >*/
-
-  /* Padding for future expansion */
-  void (*_pango_reserved1) (void);
 };
 
 /* used for very rare and miserable situtations that we cannot even
diff --git a/pango/pango-font.h b/pango/pango-font.h
index c2db5e9e..55d6dfad 100644
--- a/pango/pango-font.h
+++ b/pango/pango-font.h
@@ -487,6 +487,11 @@ PangoFontMap         *pango_font_get_font_map      (PangoFont        *font);
 
 PANGO_AVAILABLE_IN_1_44
 hb_font_t *           pango_font_get_hb_font       (PangoFont        *font);
+PANGO_AVAILABLE_IN_1_44
+void                  pango_font_get_features      (PangoFont        *font,
+                                                    hb_feature_t     *features,
+                                                    guint             len,
+                                                    guint            *num_features);
 
 
 /**