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"
46 /* === U S I N G =========================================================== */
50 using namespace synfig;
52 /* === M A C R O S ========================================================= */
54 /* === G L O B A L S ======================================================= */
56 /* === P R O C E D U R E S ================================================= */
58 /* === M E T H O D S ======================================================= */
60 synfig::ValueNode_Add::ValueNode_Add(const ValueBase &value):
61 LinkableValueNode(value.get_type())
63 set_link("scalar",ValueNode_Const::create(Real(1.0)));
64 ValueBase::Type id(value.get_type());
68 case ValueBase::TYPE_ANGLE:
69 set_link("lhs",ValueNode_Const::create(value.get(Angle())));
70 set_link("rhs",ValueNode_Const::create(Angle::deg(0)));
72 case ValueBase::TYPE_COLOR:
73 set_link("lhs",ValueNode_Const::create(value.get(Color())));
74 set_link("rhs",ValueNode_Const::create(Color(0,0,0,0)));
76 case ValueBase::TYPE_GRADIENT:
77 set_link("lhs",ValueNode_Const::create(value.get(Gradient())));
78 set_link("rhs",ValueNode_Const::create(Gradient()));
80 case ValueBase::TYPE_INTEGER:
81 set_link("lhs",ValueNode_Const::create(value.get(int())));
82 set_link("rhs",ValueNode_Const::create(int(0)));
84 case ValueBase::TYPE_REAL:
85 set_link("lhs",ValueNode_Const::create(value.get(Real())));
86 set_link("rhs",ValueNode_Const::create(Real(0)));
88 case ValueBase::TYPE_TIME:
89 set_link("lhs",ValueNode_Const::create(value.get(Time())));
90 set_link("rhs",ValueNode_Const::create(Time(0)));
92 case ValueBase::TYPE_VECTOR:
93 set_link("lhs",ValueNode_Const::create(value.get(Vector())));
94 set_link("rhs",ValueNode_Const::create(Vector(0,0)));
98 throw runtime_error(get_local_name()+_(":Bad type ")+ValueBase::type_local_name(id));
103 ValueNode_Add::create_new()const
105 return new ValueNode_Add(get_type());
109 ValueNode_Add::create(const ValueBase& value)
111 return new ValueNode_Add(value);
114 synfig::ValueNode_Add::~ValueNode_Add()
120 synfig::ValueNode_Add::operator()(Time t)const
123 throw runtime_error(strprintf("ValueNode_Add: %s",_("One or both of my parameters aren't set!")));
126 case ValueBase::TYPE_ANGLE:
127 return ((*ref_a)(t).get(Angle())+(*ref_b)(t).get(Angle()))*(*scalar)(t).get(Real());
128 case ValueBase::TYPE_COLOR:
129 return ((*ref_a)(t).get(Color())+(*ref_b)(t).get(Color()))*(*scalar)(t).get(Real());
130 case ValueBase::TYPE_GRADIENT:
131 return ((*ref_a)(t).get(Gradient())+(*ref_b)(t).get(Gradient()))*(*scalar)(t).get(Real());
132 case ValueBase::TYPE_INTEGER:
133 return round_to_int(((*ref_a)(t).get(int())+(*ref_b)(t).get(int()))*(*scalar)(t).get(Real()));
134 case ValueBase::TYPE_REAL:
135 return ((*ref_a)(t).get(Vector::value_type())+(*ref_b)(t).get(Vector::value_type()))*(*scalar)(t).get(Real());
136 case ValueBase::TYPE_TIME:
137 return ((*ref_a)(t).get(Time())+(*ref_b)(t).get(Time()))*(*scalar)(t).get(Real());
138 case ValueBase::TYPE_VECTOR:
139 return ((*ref_a)(t).get(Vector())+(*ref_b)(t).get(Vector()))*(*scalar)(t).get(Real());
148 ValueNode_Add::set_link_vfunc(int i,ValueNode::Handle value)
150 assert(i>=0 && i<link_count());
154 case 0: CHECK_TYPE_AND_SET_VALUE(ref_a, get_type());
155 case 1: CHECK_TYPE_AND_SET_VALUE(ref_b, get_type());
156 case 2: CHECK_TYPE_AND_SET_VALUE(scalar, ValueBase::TYPE_REAL);
161 ValueNode::LooseHandle
162 ValueNode_Add::get_link_vfunc(int i)const
164 assert(i>=0 && i<link_count());
168 case 0: return ref_a;
169 case 1: return ref_b;
170 case 2: return scalar;
176 ValueNode_Add::link_count()const
182 ValueNode_Add::link_local_name(int i)const
184 assert(i>=0 && i<link_count());
188 case 0: return _("LHS");
189 case 1: return _("RHS");
190 case 2: return _("Scalar");
191 default: return String();
196 ValueNode_Add::link_name(int i)const
198 assert(i>=0 && i<link_count());
202 case 0: return "lhs";
203 case 1: return "rhs";
204 case 2: return "scalar";
205 default: return String();
210 ValueNode_Add::get_link_index_from_name(const String &name)const
212 if(name=="lhs") return 0;
213 if(name=="rhs") return 1;
214 if(name=="scalar") return 2;
215 throw Exception::BadLinkName(name);
219 ValueNode_Add::get_name()const
225 ValueNode_Add::get_local_name()const
231 ValueNode_Add::check_type(ValueBase::Type type)
233 return type==ValueBase::TYPE_ANGLE
234 || type==ValueBase::TYPE_COLOR
235 || type==ValueBase::TYPE_GRADIENT
236 || type==ValueBase::TYPE_INTEGER
237 || type==ValueBase::TYPE_REAL
238 || type==ValueBase::TYPE_TIME
239 || type==ValueBase::TYPE_VECTOR;