1 /* === S Y N F I G ========================================================= */
2 /*! \file valuenode_blinereversetangent.h
3 ** \brief Header file for implementation of the "Reverse Tangent" valuenode conversion.
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007 Chris Moore
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
22 /* ========================================================================= */
24 /* === S T A R T =========================================================== */
26 #ifndef __SYNFIG_VALUENODE_BLINEREVTANGENT_H
27 #define __SYNFIG_VALUENODE_BLINEREVTANGENT_H
29 /* === H E A D E R S ======================================================= */
31 #include "valuenode.h"
33 /* === M A C R O S ========================================================= */
35 /* === C L A S S E S & S T R U C T S ======================================= */
39 class ValueNode_BLineRevTangent : public LinkableValueNode
41 ValueNode::RHandle reference_;
42 ValueNode::RHandle reverse_;
44 ValueNode_BLineRevTangent(const ValueBase::Type &x=ValueBase::TYPE_BLINEPOINT);
45 ValueNode_BLineRevTangent(const ValueNode::Handle &x);
49 typedef etl::handle<ValueNode_BLineRevTangent> Handle;
50 typedef etl::handle<const ValueNode_BLineRevTangent> ConstHandle;
52 virtual ValueBase operator()(Time t)const;
54 virtual ~ValueNode_BLineRevTangent();
56 virtual String get_name()const;
57 virtual String get_local_name()const;
59 virtual ValueNode::LooseHandle get_link_vfunc(int i)const;
60 virtual int link_count()const;
61 virtual String link_name(int i)const;
63 virtual String link_local_name(int i)const;
64 virtual int get_link_index_from_name(const String &name)const;
67 virtual bool set_link_vfunc(int i,ValueNode::Handle x);
68 LinkableValueNode* create_new()const;
71 using synfig::LinkableValueNode::get_link_vfunc;
72 using synfig::LinkableValueNode::set_link_vfunc;
73 static bool check_type(ValueBase::Type type);
74 static ValueNode_BLineRevTangent* create(const ValueBase &x=ValueBase::TYPE_VECTOR);
75 }; // END of class ValueNode_BLineRevTangent
77 }; // END of namespace synfig
79 /* === E N D =============================================================== */