X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fsynfig%2Flayer_duplicate.h;h=7c588e5fa6812062e959b2e9c9eb990206d24533;hb=9459638ad6797b8139f1e9f0715c96076dbf0890;hp=6d74c182d599441182d74781efaed69b4c1b97c7;hpb=3174d697b7c970d74d239984f6cd699600952b3c;p=synfig.git

diff --git a/synfig-core/trunk/src/synfig/layer_duplicate.h b/synfig-core/trunk/src/synfig/layer_duplicate.h
index 6d74c18..7c588e5 100644
--- a/synfig-core/trunk/src/synfig/layer_duplicate.h
+++ b/synfig-core/trunk/src/synfig/layer_duplicate.h
@@ -6,6 +6,7 @@
 **
 **	\legal
 **	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**	Copyright (c) 2008 Chris Moore
 **
 **	This package is free software; you can redistribute it and/or
 **	modify it under the terms of the GNU General Public License as
@@ -42,6 +43,7 @@ class Layer_Duplicate : public synfig::Layer_Composite
 private:
 	mutable Real index;
 	mutable Time time_cur;
+	mutable synfig::Mutex mutex;
 
 public:
 
@@ -49,23 +51,15 @@ public:
 
 	//! Duplicates the Layer
 	virtual Layer::Handle clone(const GUID& deriv_guid=GUID())const;
-
 	virtual bool set_param(const String & param, const synfig::ValueBase &value);
-
 	virtual ValueBase get_param(const String & param)const;
-
 	virtual Color get_color(Context context, const Point &pos)const;
-
 	virtual void set_time(Context context, Time time)const;
-
 	virtual void set_time(Context context, Time time, const Point &point)const;
-
 	virtual ValueNode_Duplicate::Handle get_duplicate_param()const;
-
 	virtual bool accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
-
 	virtual Vocab get_param_vocab()const;
-
+	virtual bool reads_context()const { return true; }
 }; // END of class Layer_Duplicate
 
 }; // END of namespace synfig