--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file valuenode_subtract.h
+** \brief Template Header
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 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
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package 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
+** General Public License for more details.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SYNFIG_VALUENODE_SUBTRACT_H
+#define __SYNFIG_VALUENODE_SUBTRACT_H
+
+/* === H E A D E R S ======================================================= */
+
+#include "valuenode.h"
+
+/* === M A C R O S ========================================================= */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+namespace synfig {
+
+struct ValueNode_Subtract : public LinkableValueNode
+{
+ typedef etl::handle<ValueNode_Subtract> Handle;
+ typedef etl::handle<const ValueNode_Subtract> ConstHandle;
+
+protected:
+
+ ValueNode_Subtract(const ValueBase &value);
+
+private:
+
+ ValueNode::RHandle ref_a;
+ ValueNode::RHandle ref_b;
+ ValueNode::RHandle scalar;
+
+public:
+
+ virtual ~ValueNode_Subtract();
+
+// static Handle create(ValueBase::Type id=ValueBase::TYPE_NIL);
+
+ //! Sets the left-hand-side value_node
+ bool set_lhs(ValueNode::Handle a);
+
+ //! Gets the left-hand-side value_node
+ ValueNode::Handle get_lhs()const { return ref_a; }
+
+ //! Sets the right-hand-side value_node
+ bool set_rhs(ValueNode::Handle b);
+
+ //! Gets the right-hand-side value_node
+ ValueNode::Handle get_rhs()const { return ref_b; }
+
+ //! Sets the scalar value_node
+ bool set_scalar(ValueNode::Handle x);
+
+ //! Gets the scalar value_node
+ ValueNode::Handle get_scalar()const { return scalar; }
+
+ void set_scalar(Real x);
+
+ virtual bool set_link_vfunc(int i,ValueNode::Handle x);
+
+ virtual ValueNode::LooseHandle get_link_vfunc(int i)const;
+
+ virtual int link_count()const;
+
+ virtual String link_local_name(int i)const;
+ virtual String link_name(int i)const;
+ virtual int get_link_index_from_name(const String &name)const;
+
+ virtual ValueBase operator()(Time t)const;
+
+ virtual String get_name()const;
+ virtual String get_local_name()const;
+
+// static bool check_type(const ValueBase::Type &type);
+
+ LinkableValueNode* create_new()const;
+
+public:
+ using synfig::LinkableValueNode::get_link_vfunc;
+ using synfig::LinkableValueNode::set_link_vfunc;
+ static bool check_type(ValueBase::Type type);
+ static ValueNode_Subtract* create(const ValueBase &value=ValueBase());
+}; // END of class ValueNode_Subtract
+
+}; // END of namespace synfig
+
+/* === E N D =============================================================== */
+
+#endif