1 /* === S Y N F I G ========================================================= */
2 /*! \file valuenode_atan2.cpp
3 ** \brief Implementation of the "aTan2" 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 /* === H E A D E R S ======================================================= */
33 #include "valuenode_atan2.h"
34 #include "valuenode_const.h"
39 /* === U S I N G =========================================================== */
43 using namespace synfig;
45 /* === M A C R O S ========================================================= */
47 /* === G L O B A L S ======================================================= */
49 /* === P R O C E D U R E S ================================================= */
51 /* === M E T H O D S ======================================================= */
53 ValueNode_Atan2::ValueNode_Atan2(const ValueBase &value):
54 LinkableValueNode(value.get_type())
56 switch(value.get_type())
58 case ValueBase::TYPE_ANGLE:
59 set_link("x",ValueNode_Const::create(Angle::cos(value.get(Angle())).get()));
60 set_link("y",ValueNode_Const::create(Angle::sin(value.get(Angle())).get()));
63 throw Exception::BadType(ValueBase::type_local_name(value.get_type()));
70 ValueNode_Atan2::create_new()const
72 return new ValueNode_Atan2(get_type());
76 ValueNode_Atan2::create(const ValueBase &x)
78 return new ValueNode_Atan2(x);
81 ValueNode_Atan2::~ValueNode_Atan2()
87 ValueNode_Atan2::operator()(Time t)const
89 return Angle::tan((*y_)(t).get(Real()),
90 (*x_)(t).get(Real()));
95 ValueNode_Atan2::get_name()const
101 ValueNode_Atan2::get_local_name()const
107 ValueNode_Atan2::check_type(ValueBase::Type type)
109 return type==ValueBase::TYPE_ANGLE;
113 ValueNode_Atan2::set_link_vfunc(int i,ValueNode::Handle value)
115 assert(i>=0 && i<link_count());
119 case 0: CHECK_TYPE_AND_SET_VALUE(x_, ValueBase::TYPE_REAL);
120 case 1: CHECK_TYPE_AND_SET_VALUE(y_, ValueBase::TYPE_REAL);
125 ValueNode::LooseHandle
126 ValueNode_Atan2::get_link_vfunc(int i)const
128 assert(i>=0 && i<link_count());
139 ValueNode_Atan2::link_count()const
145 ValueNode_Atan2::link_name(int i)const
147 assert(i>=0 && i<link_count());
157 ValueNode_Atan2::link_local_name(int i)const
159 assert(i>=0 && i<link_count());
169 ValueNode_Atan2::get_link_index_from_name(const String &name)const
176 throw Exception::BadLinkName(name);