[gtk+/wip/matthiasc/shadertoy] cheat

[Matthias Clasen <matthiasc src gnome org>]

commit 615335159a3ad33421bbaba2be21e6245c650df3
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Sep 24 14:45:07 2017 -0400

    cheat
    
    We currently don't export enough api to do custom snapshots
    outside libgtk. To demonstrate this in gtk4-demo, export
    the necessary api here.

 gtk/gtksnapshotprivate.h |    3 +++
 gtk/gtkwidgetprivate.h   |    2 +-
 2 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtksnapshotprivate.h b/gtk/gtksnapshotprivate.h
index deffbc1..d1fe46a 100644
--- a/gtk/gtksnapshotprivate.h
+++ b/gtk/gtksnapshotprivate.h
@@ -87,14 +87,17 @@ struct _GtkSnapshot {
   GskRenderer           *renderer;
 };
 
+GDK_AVAILABLE_IN_ALL
 void            gtk_snapshot_init               (GtkSnapshot             *state,
                                                  GskRenderer             *renderer,
                                                  gboolean                 record_names,
                                                  const cairo_region_t    *clip,
                                                  const char              *name,
                                                  ...) G_GNUC_PRINTF (5, 6);
+GDK_AVAILABLE_IN_ALL
 GskRenderNode * gtk_snapshot_finish             (GtkSnapshot             *state);
 
+GDK_AVAILABLE_IN_ALL
 GskRenderer *   gtk_snapshot_get_renderer       (const GtkSnapshot       *snapshot);
 
 G_END_DECLS
diff --git a/gtk/gtkwidgetprivate.h b/gtk/gtkwidgetprivate.h
index 6e0b746..5c5cd6b 100644
--- a/gtk/gtkwidgetprivate.h
+++ b/gtk/gtkwidgetprivate.h
@@ -282,7 +282,7 @@ void              gtk_widget_render                        (GtkWidget
                                                             GdkWindow            *window,
                                                             const cairo_region_t *region);
 
-
+GDK_AVAILABLE_IN_ALL
 void              gtk_widget_snapshot                      (GtkWidget            *widget,
                                                             GtkSnapshot          *snapshot);
 void              gtk_widget_adjust_size_request           (GtkWidget      *widget,