1 /* === S Y N F I G ========================================================= */
3 ** \brief Template Header
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2008 Chris Moore
10 ** Copyright (c) 2008 Paul Wise
12 ** This package is free software; you can redistribute it and/or
13 ** modify it under the terms of the GNU General Public License as
14 ** published by the Free Software Foundation; either version 2 of
15 ** the License, or (at your option) any later version.
17 ** This package is distributed in the hope that it will be useful,
18 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 ** General Public License for more details.
23 /* ========================================================================= */
25 /* === S T A R T =========================================================== */
27 #ifndef __SYNFIG_WAYPOINT_H
28 #define __SYNFIG_WAYPOINT_H
30 /* === H E A D E R S ======================================================= */
35 //#include "valuenode.h"
39 #include "interpolation.h"
41 /* === M A C R O S ========================================================= */
43 /* === T Y P E D E F S ===================================================== */
45 /* === C L A S S E S & S T R U C T S ======================================= */
56 class Waypoint : public UniqueID
59 -- ** -- T Y P E S -----------------------------------------------------------
64 typedef synfig::Interpolation Interpolation;
68 friend class Waypoint;
76 Real temporal_tension;
78 bool priority_flag,before_flag,after_flag,tension_flag,continuity_flag,bias_flag,temporal_tension_flag;
82 // we don't need to initialise these 5, but the compiler thinks they're used uninitialised if we don't
83 // and this constructor isn't called often, so it's ok
84 priority(0), before(INTERPOLATION_NIL), after(INTERPOLATION_NIL), tension(0), continuity(0), bias(0), temporal_tension(0),
90 continuity_flag(false),
92 temporal_tension_flag(false) { }
94 Interpolation get_before()const { return before; }
95 void set_before(Interpolation x) { before=x; before_flag=true;}
97 Interpolation get_after()const { return after; }
98 void set_after(Interpolation x) { after=x; after_flag=true;}
100 const Real &get_tension()const { return tension; }
101 void set_tension(const Real &x) { tension=x; tension_flag=true;}
103 const Real &get_continuity()const { return continuity; }
104 void set_continuity(const Real &x) { continuity=x; continuity_flag=true;}
106 const Real &get_bias()const { return bias; }
107 void set_bias(const Real &x) { bias=x; bias_flag=true;}
109 const Real &get_temporal_tension()const { return temporal_tension; }
110 void set_temporal_tension(const Real &x) { temporal_tension=x; temporal_tension_flag=true;}
112 int get_priority()const { return priority; }
113 void set_priority(int x) { priority=x; priority_flag=true;}
115 #define FLAG_MACRO(x) bool get_##x##_flag()const { return x##_flag; } void set_##x##_flag(bool y) { x##_flag=y; }
120 FLAG_MACRO(continuity)
122 FLAG_MACRO(temporal_tension)
131 continuity_flag=false;
133 temporal_tension_flag=false;
136 bool is_trivial()const
145 temporal_tension_flag
152 SIDE_UNSPECIFIED, SIDE_LEFT, SIDE_RIGHT,
154 SIDE_END=2 //!< \internal
158 -- ** -- D A T A -------------------------------------------------------------
164 etl::loose_handle<ValueNode> parent_;
166 Interpolation before, after;
168 etl::rhandle<ValueNode> value_node;
172 // The following are for the INTERPOLATION_TCB type
177 // The following are for the INTERPOLATION_MANUAL type
178 ValueBase cpoint_before,cpoint_after;
184 -- ** -- C O N S T R U C T O R S ---------------------------------------------
189 Waypoint(ValueBase value, Time time);
190 Waypoint(etl::handle<ValueNode> value_node, Time time);
195 -- ** -- M E M B E R F U N C T I O N S -------------------------------------
200 void apply_model(const Model &x);
202 Interpolation get_before()const { return before; }
203 void set_before(Interpolation x) { before=x; }
205 Interpolation get_after()const { return after; }
206 void set_after(Interpolation x) { after=x; }
208 ValueBase get_value()const;
209 ValueBase get_value(const Time &t)const;
210 void set_value(const ValueBase &x);
212 const etl::rhandle<ValueNode> &get_value_node()const { return value_node; }
213 void set_value_node(const etl::handle<ValueNode> &x);
215 const Real &get_tension()const { return tension; }
216 void set_tension(const Real &x) { tension=x; }
218 const Real &get_continuity()const { return continuity; }
219 void set_continuity(const Real &x) { continuity=x; }
221 const Real &get_bias()const { return bias; }
222 void set_bias(const Real &x) { bias=x; }
224 const Time &get_time()const { return time; }
225 void set_time(const Time &x);
227 int get_priority()const { return priority_; }
228 void set_priority(int x) { priority_=x; }
230 const etl::loose_handle<ValueNode> &get_parent_value_node()const { return parent_; }
231 void set_parent_value_node(const etl::loose_handle<ValueNode> &x) { parent_=x; }
233 bool is_static()const;
235 float get_temporal_tension()const { return time_tension; }
236 void set_temporal_tension(const float& x) { time_tension=x; }
238 bool operator<(const Waypoint &rhs)const
239 { return time<rhs.time; }
241 bool operator<(const Time &rhs)const
242 { return time.is_less_than(rhs); }
243 bool operator>(const Time &rhs)const
244 { return time.is_more_than(rhs); }
246 bool operator==(const Time &rhs)const
247 { return time.is_equal(rhs); }
248 bool operator!=(const Time &rhs)const
249 { return !time.is_equal(rhs); }
251 bool operator==(const UniqueID &rhs)const
252 { return get_uid()==rhs.get_uid(); }
253 bool operator!=(const UniqueID &rhs)const
254 { return get_uid()!=rhs.get_uid(); }
256 Waypoint clone(const GUID& deriv_guid=GUID())const;
258 GUID get_guid()const;
259 }; // END of class Waypoint
261 typedef std::vector< Waypoint > WaypointList;
263 }; // END of namespace synfig
265 /* === E N D =============================================================== */