[gimp] app: remove redundant "type" member of GimpSymmetry.

[Jehan Pagès <jehanp src gnome org>]

commit 73389033d2498c355bbfa223e0a662b4bf6fb175
Author: Jehan <jehan girinstud io>
Date:   Wed Feb 3 20:11:31 2016 +0100

    app: remove redundant "type" member of GimpSymmetry.
    
    Use G_TYPE_FROM_INSTANCE() instead.

 app/core/gimpimage-symmetry.c    |    1 -
 app/core/gimpimage.c             |    4 ++--
 app/core/gimpsymmetry.c          |    3 +--
 app/core/gimpsymmetry.h          |    2 --
 app/widgets/gimpsymmetryeditor.c |    4 ++--
 5 files changed, 5 insertions(+), 9 deletions(-)
---
diff --git a/app/core/gimpimage-symmetry.c b/app/core/gimpimage-symmetry.c
index 53b3f82..ff4a07f 100644
--- a/app/core/gimpimage-symmetry.c
+++ b/app/core/gimpimage-symmetry.c
@@ -74,7 +74,6 @@ gimp_image_symmetry_new (GimpImage *image,
   sym = g_object_new (type,
                       "image", image,
                       NULL);
-  sym->type = type;
 
   return sym;
 }
diff --git a/app/core/gimpimage.c b/app/core/gimpimage.c
index 7755e01..265bd2f 100644
--- a/app/core/gimpimage.c
+++ b/app/core/gimpimage.c
@@ -887,7 +887,7 @@ gimp_image_set_property (GObject      *object,
         for (iter = private->symmetries; iter; iter = g_list_next (iter))
           {
             GimpSymmetry *sym = iter->data;
-            if (type == sym->type)
+            if (type == G_TYPE_FROM_INSTANCE (sym))
               private->selected_symmetry = iter->data;
           }
 
@@ -948,7 +948,7 @@ gimp_image_get_property (GObject    *object,
     case PROP_SYMMETRY:
       g_value_set_gtype (value,
                          private->selected_symmetry ?
-                         private->selected_symmetry->type : GIMP_TYPE_SYMMETRY);
+                         G_TYPE_FROM_INSTANCE (private->selected_symmetry) : GIMP_TYPE_SYMMETRY);
       break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
diff --git a/app/core/gimpsymmetry.c b/app/core/gimpsymmetry.c
index 83eaaf2..beee6d9 100644
--- a/app/core/gimpsymmetry.c
+++ b/app/core/gimpsymmetry.c
@@ -156,7 +156,6 @@ gimp_symmetry_class_init (GimpSymmetryClass *klass)
 static void
 gimp_symmetry_init (GimpSymmetry *sym)
 {
-  sym->type     = G_TYPE_NONE;
 }
 
 static void
@@ -405,7 +404,7 @@ gimp_symmetry_to_parasite (const GimpSymmetry *sym)
   str = gimp_config_serialize_to_string (GIMP_CONFIG (sym), NULL);
   g_return_val_if_fail (str != NULL, NULL);
 
-  parasite_name = gimp_symmetry_parasite_name (sym->type);
+  parasite_name = gimp_symmetry_parasite_name (G_TYPE_FROM_INSTANCE (sym));
   parasite = gimp_parasite_new (parasite_name,
                                 GIMP_PARASITE_PERSISTENT,
                                 strlen (str) + 1, str);
diff --git a/app/core/gimpsymmetry.h b/app/core/gimpsymmetry.h
index b75846b..f9277d7 100644
--- a/app/core/gimpsymmetry.h
+++ b/app/core/gimpsymmetry.h
@@ -45,8 +45,6 @@ struct _GimpSymmetry
   gboolean      active;
 
   GList        *strokes;
-
-  GType         type;
 };
 
 struct _GimpSymmetryClass
diff --git a/app/widgets/gimpsymmetryeditor.c b/app/widgets/gimpsymmetryeditor.c
index c2426fc..03adf8f 100644
--- a/app/widgets/gimpsymmetryeditor.c
+++ b/app/widgets/gimpsymmetryeditor.c
@@ -389,10 +389,10 @@ gimp_symmetry_editor_set_options (GimpSymmetryEditor *editor,
   gtk_container_foreach (GTK_CONTAINER (frame),
                          (GtkCallback) gtk_widget_destroy, NULL);
 
-  if (! symmetry || symmetry->type == GIMP_TYPE_SYMMETRY)
+  if (! symmetry || G_TYPE_FROM_INSTANCE (symmetry) == GIMP_TYPE_SYMMETRY)
     return;
 
-  klass = g_type_class_ref (symmetry->type);
+  klass = g_type_class_ref (G_TYPE_FROM_INSTANCE (symmetry));
   gtk_frame_set_label (GTK_FRAME (frame),
                        klass->label);
   g_type_class_unref (klass);