[gimp] app: add gimp_drawable_get_filters() which returns the filter stack

[Michael Natterer <mitch src gnome org>]

commit 2538d6fea70e8ab5f180b39e53b7dcfcd0bf658f
Author: Michael Natterer <mitch gimp org>
Date:   Tue Apr 16 20:20:00 2013 +0200

    app: add gimp_drawable_get_filters() which returns the filter stack

 app/core/gimpdrawable-filter.c |  8 ++++++++
 app/core/gimpdrawable-filter.h | 26 ++++++++++++++------------
 2 files changed, 22 insertions(+), 12 deletions(-)
---
diff --git a/app/core/gimpdrawable-filter.c b/app/core/gimpdrawable-filter.c
index 39fd1bb..fae6267 100644
--- a/app/core/gimpdrawable-filter.c
+++ b/app/core/gimpdrawable-filter.c
@@ -33,6 +33,14 @@
 #include "gimpprogress.h"
 
 
+GimpContainer *
+gimp_drawable_get_filters (GimpDrawable *drawable)
+{
+  g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
+
+  return drawable->private->filter_stack;
+}
+
 void
 gimp_drawable_add_filter (GimpDrawable *drawable,
                           GimpFilter   *filter)
diff --git a/app/core/gimpdrawable-filter.h b/app/core/gimpdrawable-filter.h
index 8401c07..0fe5f77 100644
--- a/app/core/gimpdrawable-filter.h
+++ b/app/core/gimpdrawable-filter.h
@@ -21,18 +21,20 @@
 #define __GIMP_DRAWABLE_FILTER_H__
 
 
-void       gimp_drawable_add_filter    (GimpDrawable *drawable,
-                                        GimpFilter   *filter);
-void       gimp_drawable_remove_filter (GimpDrawable *drawable,
-                                        GimpFilter   *filter);
-
-gboolean   gimp_drawable_has_filter    (GimpDrawable *drawable,
-                                        GimpFilter   *filter);
-
-void       gimp_drawable_merge_filter  (GimpDrawable *drawable,
-                                        GimpFilter   *filter,
-                                        GimpProgress *progress,
-                                        const gchar  *undo_desc);
+GimpContainer * gimp_drawable_get_filters   (GimpDrawable *drawable);
+
+void            gimp_drawable_add_filter    (GimpDrawable *drawable,
+                                             GimpFilter   *filter);
+void            gimp_drawable_remove_filter (GimpDrawable *drawable,
+                                             GimpFilter   *filter);
+
+gboolean        gimp_drawable_has_filter    (GimpDrawable *drawable,
+                                             GimpFilter   *filter);
+
+void            gimp_drawable_merge_filter  (GimpDrawable *drawable,
+                                             GimpFilter   *filter,
+                                             GimpProgress *progress,
+                                             const gchar  *undo_desc);
 
 
 #endif /* __GIMP_DRAWABLE_FILTER_H__ */