font: Add private api to get the variant

Add a private pango_font_get_variant, and implement
it for PangoFcFont. This will let us avoid many
pointless font description copies.

1 files changed, 22 insertions, 0 deletions

diff --git a/pango/pango-font-private.h b/pango/pango-font-private.h
index 885e38c1..e95abc7a 100644
--- a/pango/pango-font-private.h
+++ b/pango/pango-font-private.h
@@ -48,6 +48,7 @@ typedef struct {
   void             (* get_matrix) (PangoFont   *font,
                                    PangoMatrix *matrix);
   int              (* get_absolute_size) (PangoFont *font);
+  PangoVariant     (* get_variant) (PangoFont *font);
 } PangoFontClassPrivate;
 
 gboolean pango_font_is_hinted         (PangoFont *font);
@@ -56,6 +57,7 @@ void     pango_font_get_scale_factors (PangoFont *font,
                                        double    *y_scale);
 void     pango_font_get_matrix        (PangoFont   *font,
                                        PangoMatrix *matrix);
+
 static inline int pango_font_get_absolute_size (PangoFont *font)
 {
   GTypeClass *klass = (GTypeClass *) PANGO_FONT_GET_CLASS (font);
@@ -63,6 +65,26 @@ static inline int pango_font_get_absolute_size (PangoFont *font)
   return priv->get_absolute_size (font);
 }
 
+static inline PangoVariant
+pango_font_get_variant (PangoFont *font)
+{
+  GTypeClass *klass = (GTypeClass *) PANGO_FONT_GET_CLASS (font);
+  PangoFontClassPrivate *priv = g_type_class_get_private (klass, PANGO_TYPE_FONT);
+  if (priv->get_variant)
+    return priv->get_variant (font);
+  else
+    {
+      PangoFontDescription *desc;
+      PangoVariant variant;
+
+      desc = pango_font_describe (font);
+      variant = pango_font_description_get_variant (desc);
+      pango_font_description_free (desc);
+
+      return variant;
+    }
+}
+
 G_END_DECLS
 
 #endif /* __PANGO_FONT_PRIVATE_H__ */