1 /* === S Y N F I G ========================================================= */
2 /*! \file valuenode_twotone.h
3 ** \brief Header file for implementation of the "Two-Tone" valuenode conversion.
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
10 ** This package is free software; you can redistribute it and/or
11 ** modify it under the terms of the GNU General Public License as
12 ** published by the Free Software Foundation; either version 2 of
13 ** the License, or (at your option) any later version.
15 ** This package is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ** General Public License for more details.
21 /* ========================================================================= */
23 /* === S T A R T =========================================================== */
25 #ifndef __SYNFIG_VALUENODE_TWOTONE_H
26 #define __SYNFIG_VALUENODE_TWOTONE_H
28 /* === H E A D E R S ======================================================= */
30 #include "valuenode.h"
32 /* === M A C R O S ========================================================= */
34 /* === C L A S S E S & S T R U C T S ======================================= */
38 struct ValueNode_TwoTone : public LinkableValueNode
40 typedef etl::handle<ValueNode_TwoTone> Handle;
41 typedef etl::handle<const ValueNode_TwoTone> ConstHandle;
49 ValueNode::RHandle ref_a;
50 ValueNode::RHandle ref_b;
54 virtual ~ValueNode_TwoTone();
56 // static Handle create(ValueBase::Type id=ValueBase::TYPE_GRADIENT);
58 //! Sets the left-hand-side value_node
59 bool set_lhs(ValueNode::Handle a);
61 //! Gets the left-hand-side value_node
62 ValueNode::Handle get_lhs()const { return ref_a; }
64 //! Sets the right-hand-side value_node
65 bool set_rhs(ValueNode::Handle b);
67 //! Gets the right-hand-side value_node
68 ValueNode::Handle get_rhs()const { return ref_b; }
71 virtual bool set_link_vfunc(int i,ValueNode::Handle x);
73 virtual ValueNode::LooseHandle get_link_vfunc(int i)const;
75 virtual int link_count()const;
77 virtual String link_local_name(int i)const;
78 virtual String link_name(int i)const;
79 virtual int get_link_index_from_name(const String &name)const;
81 virtual ValueBase operator()(Time t)const;
83 virtual String get_name()const;
84 virtual String get_local_name()const;
86 // static bool check_type(const ValueBase::Type &type);
88 LinkableValueNode* create_new()const;
91 using synfig::LinkableValueNode::get_link_vfunc;
93 using synfig::LinkableValueNode::set_link_vfunc;
94 static bool check_type(ValueBase::Type type);
95 static ValueNode_TwoTone* create(const ValueBase &x=ValueBase::TYPE_GRADIENT);
96 }; // END of class ValueNode_TwoTone
98 }; // END of namespace synfig
100 /* === E N D =============================================================== */