1 /* === S Y N F I G ========================================================= */
2 /*! \file valuenode_add.cpp
3 ** \brief Implementation of the "Add" 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 ======================================================= */
34 #include "valuenode_add.h"
35 #include "valuenode_const.h"
45 /* === U S I N G =========================================================== */
49 using namespace synfig;
51 /* === M A C R O S ========================================================= */
53 /* === G L O B A L S ======================================================= */
55 /* === P R O C E D U R E S ================================================= */
57 /* === M E T H O D S ======================================================= */
59 synfig::ValueNode_Add::ValueNode_Add(const ValueBase &value):
60 LinkableValueNode(value.get_type())
62 set_link("scalar",ValueNode_Const::create(Real(1.0)));
63 ValueBase::Type id(value.get_type());
67 case ValueBase::TYPE_ANGLE:
68 set_link("lhs",ValueNode_Const::create(value.get(Angle())));
69 set_link("rhs",ValueNode_Const::create(Angle::deg(0)));
71 case ValueBase::TYPE_COLOR:
72 set_link("lhs",ValueNode_Const::create(value.get(Color())));
73 set_link("rhs",ValueNode_Const::create(Color(0,0,0,0)));
75 case ValueBase::TYPE_INTEGER:
76 set_link("lhs",ValueNode_Const::create(value.get(int())));
77 set_link("rhs",ValueNode_Const::create(int(0)));
79 case ValueBase::TYPE_REAL:
80 set_link("lhs",ValueNode_Const::create(value.get(Real())));
81 set_link("rhs",ValueNode_Const::create(Real(0)));
83 case ValueBase::TYPE_TIME:
84 set_link("lhs",ValueNode_Const::create(value.get(Time())));
85 set_link("rhs",ValueNode_Const::create(Time(0)));
87 case ValueBase::TYPE_VECTOR:
88 set_link("lhs",ValueNode_Const::create(value.get(Vector())));
89 set_link("rhs",ValueNode_Const::create(Vector(0,0)));
93 throw runtime_error(_("synfig::ValueNode_Add:Bad type ")+ValueBase::type_local_name(id));
98 ValueNode_Add::create_new()const
100 return new ValueNode_Add(get_type());
104 ValueNode_Add::create(const ValueBase& value)
106 return new ValueNode_Add(value);
109 synfig::ValueNode_Add::~ValueNode_Add()
115 synfig::ValueNode_Add::operator()(Time t)const
118 throw runtime_error(strprintf("ValueNode_Add: %s",_("One or both of my parameters aren't set!")));
121 case ValueBase::TYPE_ANGLE:
122 return ((*ref_a)(t).get(Angle())+(*ref_b)(t).get(Angle()))*(*scalar)(t).get(Real());
123 case ValueBase::TYPE_COLOR:
124 return ((*ref_a)(t).get(Color())+(*ref_b)(t).get(Color()))*(*scalar)(t).get(Real());
125 case ValueBase::TYPE_INTEGER:
126 return round_to_int(((*ref_a)(t).get(int())+(*ref_b)(t).get(int()))*(*scalar)(t).get(Real()));
127 case ValueBase::TYPE_REAL:
128 return ((*ref_a)(t).get(Vector::value_type())+(*ref_b)(t).get(Vector::value_type()))*(*scalar)(t).get(Real());
129 case ValueBase::TYPE_TIME:
130 return ((*ref_a)(t).get(Time())+(*ref_b)(t).get(Time()))*(*scalar)(t).get(Real());
131 case ValueBase::TYPE_VECTOR:
132 return ((*ref_a)(t).get(Vector())+(*ref_b)(t).get(Vector()))*(*scalar)(t).get(Real());
141 ValueNode_Add::set_link_vfunc(int i,ValueNode::Handle value)
143 assert(i>=0 && i<link_count());
146 case 0: CHECK_TYPE_AND_SET_VALUE(ref_a, get_type());
147 case 1: CHECK_TYPE_AND_SET_VALUE(ref_b, get_type());
148 case 2: CHECK_TYPE_AND_SET_VALUE(scalar, ValueBase::TYPE_REAL);
153 ValueNode::LooseHandle
154 ValueNode_Add::get_link_vfunc(int i)const
156 assert(i>=0 && i<link_count());
159 case 0: return ref_a;
160 case 1: return ref_b;
161 case 2: return scalar;
167 ValueNode_Add::link_count()const
173 ValueNode_Add::link_local_name(int i)const
175 assert(i>=0 && i<link_count());
178 case 0: return _("LHS");
179 case 1: return _("RHS");
180 case 2: return _("Scalar");
181 default: return String();
186 ValueNode_Add::link_name(int i)const
188 assert(i>=0 && i<link_count());
191 case 0: return "lhs";
192 case 1: return "rhs";
193 case 2: return "scalar";
194 default: return String();
199 ValueNode_Add::get_link_index_from_name(const String &name)const
201 if(name=="lhs") return 0;
202 if(name=="rhs") return 1;
203 if(name=="scalar") return 2;
204 throw Exception::BadLinkName(name);
208 ValueNode_Add::get_name()const
214 ValueNode_Add::get_local_name()const
220 ValueNode_Add::check_type(ValueBase::Type type)
222 return type==ValueBase::TYPE_ANGLE
223 || type==ValueBase::TYPE_COLOR
224 || type==ValueBase::TYPE_INTEGER
225 || type==ValueBase::TYPE_REAL
226 || type==ValueBase::TYPE_TIME
227 || type==ValueBase::TYPE_VECTOR;