1 /* === S Y N F I G ========================================================= */
2 /*! \file valuenode_segcalctangent.h
3 ** \brief Header file for implementation of the "Segment Tangent" 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_SEGCALCTANGENT_H
26 #define __SYNFIG_VALUENODE_SEGCALCTANGENT_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 class ValueNode_SegCalcTangent : public LinkableValueNode
40 ValueNode::RHandle segment_;
41 ValueNode::RHandle amount_;
43 ValueNode_SegCalcTangent(const ValueBase::Type &x=ValueBase::TYPE_VECTOR);
47 typedef etl::handle<ValueNode_SegCalcTangent> Handle;
48 typedef etl::handle<const ValueNode_SegCalcTangent> ConstHandle;
50 //static Handle create(const ValueBase::Type &x=ValueBase::TYPE_VECTOR);
53 virtual ValueBase operator()(Time t)const;
55 virtual ~ValueNode_SegCalcTangent();
57 virtual String get_name()const;
58 virtual String get_local_name()const;
60 virtual ValueNode::LooseHandle get_link_vfunc(int i)const;
63 virtual bool set_link_vfunc(int i,ValueNode::Handle x);
64 LinkableValueNode* create_new()const;
67 using synfig::LinkableValueNode::get_link_vfunc;
68 using synfig::LinkableValueNode::set_link_vfunc;
69 static bool check_type(ValueBase::Type type);
70 static ValueNode_SegCalcTangent* create(const ValueBase &x=ValueBase::TYPE_VECTOR);
71 virtual Vocab get_children_vocab_vfunc()const;
72 }; // END of class ValueNode_SegCalcTangent
74 }; // END of namespace synfig
76 /* === E N D =============================================================== */