[gegl] gegl-xml: add serialisation to xml for enum properties

[Michael Murà <mmure src gnome org>]

commit 4b7b20ddd1e08d119917ebd45cba01cf6e35cc9c
Author: Michael Murà <batolettre gmail com>
Date:   Sun Sep 4 13:34:36 2011 +0200

    gegl-xml: add serialisation to xml for enum properties

 gegl/gegl-xml.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/gegl/gegl-xml.c b/gegl/gegl-xml.c
index 25301db..e6f5447 100644
--- a/gegl/gegl-xml.c
+++ b/gegl/gegl-xml.c
@@ -836,6 +836,17 @@ serialize_properties (SerializeState *ss,
               xml_param (ss, indent + 2, properties[i]->name, value);
               g_free (value);
             }
+          else if (g_type_is_a (properties[i]->value_type, G_TYPE_ENUM))
+            {
+              GEnumClass *eclass = g_type_class_peek (properties[i]->value_type);
+              GEnumValue *evalue;
+              gint value;
+
+              gegl_node_get (node, properties[i]->name, &value, NULL);
+              evalue = g_enum_get_value (eclass, value);
+
+              xml_param (ss, indent + 2, properties[i]->name, evalue->value_nick);
+            }
           else if (properties[i]->value_type == GEGL_TYPE_COLOR)
             {
               GeglColor *color;