[pango] Don't use the deprecated pango_ft2_font_get_face

[Matthias Clasen <matthiasc src gnome org>]

commit 2dc0c3dbb1c389c3a3ba12a5c5c85f21dca46e84
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jan 7 21:01:45 2013 -0500

    Don't use the deprecated pango_ft2_font_get_face
    
    Replace it with pango_fc_font_lock/unlock_face calls.

 pango/pangoft2-render.c |    6 +++++-
 pango/pangoft2.c        |   17 ++++++++++++-----
 2 files changed, 17 insertions(+), 6 deletions(-)
---
diff --git a/pango/pangoft2-render.c b/pango/pangoft2-render.c
index 42923f4..60cf432 100644
--- a/pango/pangoft2-render.c
+++ b/pango/pangoft2-render.c
@@ -210,7 +210,7 @@ pango_ft2_font_render_glyph (PangoFont *font,
       return box;
     }
 
-  face = pango_ft2_font_get_face (font);
+  face = pango_fc_font_lock_face (PANGO_FC_FONT (font));
 
   if (face)
     {
@@ -231,6 +231,8 @@ pango_ft2_font_render_glyph (PangoFont *font,
       rendered->bitmap_left = face->glyph->bitmap_left;
       rendered->bitmap_top = face->glyph->bitmap_top;
 
+      pango_fc_font_unlock_face (PANGO_FC_FONT (font));
+
       if (G_UNLIKELY (!rendered->bitmap.buffer)) {
         g_slice_free (PangoFT2RenderedGlyph, rendered);
 	return NULL;
@@ -240,6 +242,8 @@ pango_ft2_font_render_glyph (PangoFont *font,
     }
   else
     {
+      pango_fc_font_unlock_face (PANGO_FC_FONT (font));
+
 generic_box:
       return  pango_ft2_font_render_box_glyph (PANGO_UNKNOWN_GLYPH_WIDTH,
 					       PANGO_UNKNOWN_GLYPH_HEIGHT,
diff --git a/pango/pangoft2.c b/pango/pangoft2.c
index dc6db5d..cbe1d21 100644
--- a/pango/pangoft2.c
+++ b/pango/pangoft2.c
@@ -424,12 +424,13 @@ pango_ft2_font_get_kerning (PangoFont *font,
 static FT_Face
 pango_ft2_font_real_lock_face (PangoFcFont *font)
 {
-  return pango_ft2_font_get_face ((PangoFont *)font);
+  return pango_fc_font_lock_face (font);
 }
 
 static void
-pango_ft2_font_real_unlock_face (PangoFcFont *font G_GNUC_UNUSED)
+pango_ft2_font_real_unlock_face (PangoFcFont *font)
 {
+  pango_fc_font_unlock_face (font);
 }
 
 static gboolean
@@ -499,12 +500,18 @@ pango_ft2_font_get_coverage (PangoFont     *font,
 PangoGlyph
 pango_ft2_get_unknown_glyph (PangoFont *font)
 {
-  FT_Face face = pango_ft2_font_get_face (font);
+  PangoFcFont *fc_font = PANGO_FC_FONT (font);
+  FT_Face face;
+  PangoGlyph glyph;
+
+  face = pango_fc_font_lock_face (fc_font);
   if (face && FT_IS_SFNT (face))
     /* TrueType fonts have an 'unknown glyph' box on glyph index 0 */
-    return 0;
+    glyph = 0;
   else
-    return PANGO_GLYPH_EMPTY;
+    glyph = PANGO_GLYPH_EMPTY;
+  pango_fc_font_unlock_face (fc_font);
+  return glyph;
 }
 
 typedef struct