[gtk+/wip/baseline3] GtkImage: Reuse previously calculated baseline_align in draw()

[Alexander Larsson <alexl src gnome org>]

commit e68a98e7b33ac68febcd90c965c4a0953b1d4582
Author: Alexander Larsson <alexl redhat com>
Date:   Wed Mar 27 09:42:43 2013 +0100

    GtkImage: Reuse previously calculated baseline_align in draw()
    
    No need to recalculate this every time we draw.

 gtk/gtkimage.c |   18 ++----------------
 1 files changed, 2 insertions(+), 16 deletions(-)
---
diff --git a/gtk/gtkimage.c b/gtk/gtkimage.c
index ebbd126..f21f227 100644
--- a/gtk/gtkimage.c
+++ b/gtk/gtkimage.c
@@ -1462,22 +1462,8 @@ gtk_image_draw (GtkWidget *widget,
   if (baseline == -1)
     y = floor ((gtk_widget_get_allocated_height (widget) - height) * yalign) + border.top;
   else
-    {
-      PangoContext *pango_context;
-      PangoFontMetrics *metrics;
-      float baseline_align;
-
-      pango_context = gtk_widget_get_pango_context (widget);
-      metrics = pango_context_get_metrics (pango_context,
-                                          pango_context_get_font_description (pango_context),
-                                          pango_context_get_language (pango_context));
-      baseline_align =
-       (double)pango_font_metrics_get_ascent (metrics) /
-       (pango_font_metrics_get_ascent (metrics) + pango_font_metrics_get_descent (metrics));
-
-      y = CLAMP (baseline - height * baseline_align,
-                border.top, gtk_widget_get_allocated_height (widget) - height);
-    }
+    y = CLAMP (baseline - height * gtk_image_get_baseline_align (image),
+              border.top, gtk_widget_get_allocated_height (widget) - height);
 
   if (gtk_image_get_storage_type (image) == GTK_IMAGE_ANIMATION)
     {