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
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 /* === S T A R T =========================================================== */
26 #ifndef __SYNFIG_WAYPOINT_H
27 #define __SYNFIG_WAYPOINT_H
29 /* === H E A D E R S ======================================================= */
34 //#include "valuenode.h"
38 #include "interpolation.h"
40 /* === M A C R O S ========================================================= */
42 /* === T Y P E D E F S ===================================================== */
44 /* === C L A S S E S & S T R U C T S ======================================= */
55 class Waypoint : public UniqueID
58 -- ** -- T Y P E S -----------------------------------------------------------
63 typedef synfig::Interpolation Interpolation;
67 friend class Waypoint;
75 Real temporal_tension;
77 bool priority_flag,before_flag,after_flag,tension_flag,continuity_flag,bias_flag,temporal_tension_flag;
81 // we don't need to initialise these 5, but the compiler thinks they're used uninitialised if we don't
82 // and this constructor isn't called often, so it's ok
83 priority(0), before(INTERPOLATION_NIL), after(INTERPOLATION_NIL), tension(0), continuity(0), bias(0), temporal_tension(0),
89 continuity_flag(false),
91 temporal_tension_flag(false) { }
93 Interpolation get_before()const { return before; }
94 void set_before(Interpolation x) { before=x; before_flag=true;}
96 Interpolation get_after()const { return after; }
97 void set_after(Interpolation x) { after=x; after_flag=true;}
99 const Real &get_tension()const { return tension; }
100 void set_tension(const Real &x) { tension=x; tension_flag=true;}
102 const Real &get_continuity()const { return continuity; }
103 void set_continuity(const Real &x) { continuity=x; continuity_flag=true;}
105 const Real &get_bias()const { return bias; }
106 void set_bias(const Real &x) { bias=x; bias_flag=true;}
108 const Real &get_temporal_tension()const { return temporal_tension; }
109 void set_temporal_tension(const Real &x) { temporal_tension=x; temporal_tension_flag=true;}
111 int get_priority()const { return priority; }
112 void set_priority(int x) { priority=x; priority_flag=true;}
114 #define FLAG_MACRO(x) bool get_##x##_flag()const { return x##_flag; } void set_##x##_flag(bool y) { x##_flag=y; }
119 FLAG_MACRO(continuity)
121 FLAG_MACRO(temporal_tension)
130 continuity_flag=false;
132 temporal_tension_flag=false;
135 bool is_trivial()const
144 temporal_tension_flag
151 SIDE_UNSPECIFIED, SIDE_LEFT, SIDE_RIGHT,
153 SIDE_END=2 //!< \internal
157 -- ** -- D A T A -------------------------------------------------------------
163 etl::loose_handle<ValueNode> parent_;
165 Interpolation before, after;
167 etl::rhandle<ValueNode> value_node;
171 // The following are for the INTERPOLATION_TCB type
176 // The following are for the INTERPOLATION_MANUAL type
177 ValueBase cpoint_before,cpoint_after;
183 -- ** -- C O N S T R U C T O R S ---------------------------------------------
188 Waypoint(ValueBase value, Time time);
189 Waypoint(etl::handle<ValueNode> value_node, Time time);
194 -- ** -- M E M B E R F U N C T I O N S -------------------------------------
199 void apply_model(const Model &x);
201 Interpolation get_before()const { return before; }
202 void set_before(Interpolation x) { before=x; }
204 Interpolation get_after()const { return after; }
205 void set_after(Interpolation x) { after=x; }
207 ValueBase get_value()const;
208 ValueBase get_value(const Time &t)const;
209 void set_value(const ValueBase &x);
211 const etl::rhandle<ValueNode> &get_value_node()const { return value_node; }
212 void set_value_node(const etl::handle<ValueNode> &x);
214 const Real &get_tension()const { return tension; }
215 void set_tension(const Real &x) { tension=x; }
217 const Real &get_continuity()const { return continuity; }
218 void set_continuity(const Real &x) { continuity=x; }
220 const Real &get_bias()const { return bias; }
221 void set_bias(const Real &x) { bias=x; }
223 const Time &get_time()const { return time; }
224 void set_time(const Time &x);
226 int get_priority()const { return priority_; }
227 void set_priority(int x) { priority_=x; }
229 const etl::loose_handle<ValueNode> &get_parent_value_node()const { return parent_; }
230 void set_parent_value_node(const etl::loose_handle<ValueNode> &x) { parent_=x; }
232 bool is_static()const;
234 float get_time_tension()const { return time_tension; }
235 void set_time_tension(const float& x) { time_tension=x; }
236 float get_temporal_tension()const { return time_tension; }
237 void set_temporal_tension(const float& x) { time_tension=x; }
239 bool operator<(const Waypoint &rhs)const
240 { return time<rhs.time; }
242 bool operator<(const Time &rhs)const
243 { return time.is_less_than(rhs); }
244 bool operator>(const Time &rhs)const
245 { return time.is_more_than(rhs); }
247 bool operator==(const Time &rhs)const
248 { return time.is_equal(rhs); }
249 bool operator!=(const Time &rhs)const
250 { return !time.is_equal(rhs); }
252 bool operator==(const UniqueID &rhs)const
253 { return get_uid()==rhs.get_uid(); }
254 bool operator!=(const UniqueID &rhs)const
255 { return get_uid()!=rhs.get_uid(); }
257 Waypoint clone(const GUID& deriv_guid=GUID())const;
259 GUID get_guid()const;
260 }; // END of class Waypoint
262 typedef std::vector< Waypoint > WaypointList;
264 }; // END of namespace synfig
266 /* === E N D =============================================================== */