1 /* === S Y N F I G ========================================================= */
2 /*! \file valuenode_range.cpp
3 ** \brief Implementation of the "Range" valuenode conversion.
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007, 2008 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_range.h"
35 #include "valuenode_const.h"
43 /* === U S I N G =========================================================== */
47 using namespace synfig;
49 /* === M A C R O S ========================================================= */
51 /* === G L O B A L S ======================================================= */
53 /* === P R O C E D U R E S ================================================= */
55 /* === M E T H O D S ======================================================= */
57 synfig::ValueNode_Range::ValueNode_Range(const ValueBase &value):
58 LinkableValueNode(value.get_type())
60 ValueBase::Type id(value.get_type());
64 case ValueBase::TYPE_ANGLE:
65 set_link("min",ValueNode_Const::create(value.get(Angle())));
66 set_link("max",ValueNode_Const::create(value.get(Angle())));
67 set_link("link",ValueNode_Const::create(value.get(Angle())));
69 case ValueBase::TYPE_INTEGER:
70 set_link("min",ValueNode_Const::create(value.get(int())));
71 set_link("max",ValueNode_Const::create(value.get(int())));
72 set_link("link",ValueNode_Const::create(value.get(int())));
74 case ValueBase::TYPE_REAL:
75 set_link("min",ValueNode_Const::create(value.get(Real())));
76 set_link("max",ValueNode_Const::create(value.get(Real())));
77 set_link("link",ValueNode_Const::create(value.get(Real())));
79 case ValueBase::TYPE_TIME:
80 set_link("min",ValueNode_Const::create(value.get(Time())));
81 set_link("max",ValueNode_Const::create(value.get(Time())));
82 set_link("link",ValueNode_Const::create(value.get(Time())));
86 throw runtime_error(get_local_name()+_(":Bad type ")+ValueBase::type_local_name(id));
89 assert(min_->get_type()==id);
90 assert(max_->get_type()==id);
91 assert(link_->get_type()==id);
92 assert(get_type()==id);
98 ValueNode_Range::create_new()const
100 return new ValueNode_Range(get_type());
104 ValueNode_Range::create(const ValueBase& value)
106 return new ValueNode_Range(value);
109 synfig::ValueNode_Range::~ValueNode_Range()
115 synfig::ValueNode_Range::operator()(Time t)const
117 if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
118 printf("%s:%d operator()\n", __FILE__, __LINE__);
120 if(!min_ || !max_ || !link_)
121 throw runtime_error(strprintf("ValueNode_Range: %s",_("Some of my parameters aren't set!")));
125 case ValueBase::TYPE_ANGLE:
127 Angle minimum = (* min_)(t).get(Angle());
128 Angle maximum = (* max_)(t).get(Angle());
129 Angle link = (*link_)(t).get(Angle());
131 // if link is between min and max, use it
132 if (Angle::deg((link-minimum).mod()).get() < Angle::deg((maximum-minimum).mod()).get())
134 // otherwise use whichever of min and max is closest to link
135 else if (link.dist(minimum).abs() < link.dist(maximum).abs())
140 case ValueBase::TYPE_INTEGER:
141 return std::max((*min_)(t).get(int()), std::min((*max_)(t).get(int()), (*link_)(t).get(int())));
142 case ValueBase::TYPE_REAL:
143 return std::max((*min_)(t).get(Real()), std::min((*max_)(t).get(Real()), (*link_)(t).get(Real())));
144 case ValueBase::TYPE_TIME:
145 return std::max((*min_)(t).get(Time()), std::min((*max_)(t).get(Time()), (*link_)(t).get(Time())));
154 ValueNode_Range::set_link_vfunc(int i,ValueNode::Handle value)
156 assert(i>=0 && i<link_count());
160 case 0: CHECK_TYPE_AND_SET_VALUE(min_, get_type());
161 case 1: CHECK_TYPE_AND_SET_VALUE(max_, get_type());
162 case 2: CHECK_TYPE_AND_SET_VALUE(link_, get_type());
167 ValueNode::LooseHandle
168 ValueNode_Range::get_link_vfunc(int i)const
170 assert(i>=0 && i<link_count());
176 case 2: return link_;
182 ValueNode_Range::link_count()const
188 ValueNode_Range::link_local_name(int i)const
190 assert(i>=0 && i<link_count());
194 case 0: return _("Min");
195 case 1: return _("Max");
196 case 2: return _("Link");
197 default: return String();
202 ValueNode_Range::link_name(int i)const
204 assert(i>=0 && i<link_count());
208 case 0: return "min";
209 case 1: return "max";
210 case 2: return "link";
211 default: return String();
216 ValueNode_Range::get_link_index_from_name(const String &name)const
218 if(name=="min") return 0;
219 if(name=="max") return 1;
220 if(name=="link") return 2;
221 throw Exception::BadLinkName(name);
225 ValueNode_Range::get_name()const
231 ValueNode_Range::get_local_name()const
237 ValueNode_Range::check_type(ValueBase::Type type)
239 return type==ValueBase::TYPE_ANGLE
240 || type==ValueBase::TYPE_INTEGER
241 || type==ValueBase::TYPE_REAL
242 || type==ValueBase::TYPE_TIME;