gsk: Add autocleanup definitions

This may be useful for applications using render nodes.

gsk/gsk-autocleanup.h

@@ -0,0 +1,28 @@
+/* GTK - The GIMP Toolkit
+ * Copyright 2018 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#if !defined (__GSK_H_INSIDE__) && !defined (GSK_COMPILATION)
+#error "Only <gsk/gsk.h> can be included directly."
+#endif
+
+#ifndef __GI_SCANNER__
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GskRenderer, g_object_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GskRenderNode, gsk_render_node_unref)
+
+#endif

gsk/gsk.h

@@ -28,6 +28,8 @@
 #include <gsk/gsktypes.h>
 #include <gsk/gskenumtypes.h>
 
+#include <gsk/gsk-autocleanup.h>
+
 #undef __GSK_H_INSIDE__
 
 #endif /* __GSK_H__ */