--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file waypoint.h
+** \brief Template Header
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2008 Chris Moore
+** Copyright (c) 2008 Paul Wise
+**
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** General Public License for more details.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SYNFIG_WAYPOINT_H
+#define __SYNFIG_WAYPOINT_H
+
+/* === H E A D E R S ======================================================= */
+
+#include "time.h"
+#include "real.h"
+#include "value.h"
+//#include "valuenode.h"
+#include "uniqueid.h"
+#include <vector>
+#include "guid.h"
+#include "interpolation.h"
+
+/* === M A C R O S ========================================================= */
+
+/* === T Y P E D E F S ===================================================== */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+namespace synfig {
+
+class ValueNode;
+class GUID;
+
+
+/*! \class Waypoint
+** \brief \writeme
+*/
+class Waypoint : public UniqueID
+{
+ /*
+ -- ** -- T Y P E S -----------------------------------------------------------
+ */
+
+public:
+
+ typedef synfig::Interpolation Interpolation;
+
+ class Model
+ {
+ friend class Waypoint;
+
+ int priority;
+ Interpolation before;
+ Interpolation after;
+ Real tension;
+ Real continuity;
+ Real bias;
+ Real temporal_tension;
+
+ bool priority_flag,before_flag,after_flag,tension_flag,continuity_flag,bias_flag,temporal_tension_flag;
+
+ public:
+ Model():
+ // we don't need to initialise these 5, but the compiler thinks they're used uninitialised if we don't
+ // and this constructor isn't called often, so it's ok
+ priority(0), before(INTERPOLATION_NIL), after(INTERPOLATION_NIL), tension(0), continuity(0), bias(0), temporal_tension(0),
+
+ priority_flag(false),
+ before_flag(false),
+ after_flag(false),
+ tension_flag(false),
+ continuity_flag(false),
+ bias_flag(false),
+ temporal_tension_flag(false) { }
+
+ Interpolation get_before()const { return before; }
+ void set_before(Interpolation x) { before=x; before_flag=true;}
+
+ Interpolation get_after()const { return after; }
+ void set_after(Interpolation x) { after=x; after_flag=true;}
+
+ const Real &get_tension()const { return tension; }
+ void set_tension(const Real &x) { tension=x; tension_flag=true;}
+
+ const Real &get_continuity()const { return continuity; }
+ void set_continuity(const Real &x) { continuity=x; continuity_flag=true;}
+
+ const Real &get_bias()const { return bias; }
+ void set_bias(const Real &x) { bias=x; bias_flag=true;}
+
+ const Real &get_temporal_tension()const { return temporal_tension; }
+ void set_temporal_tension(const Real &x) { temporal_tension=x; temporal_tension_flag=true;}
+
+ int get_priority()const { return priority; }
+ void set_priority(int x) { priority=x; priority_flag=true;}
+
+ #define FLAG_MACRO(x) bool get_##x##_flag()const { return x##_flag; } void set_##x##_flag(bool y) { x##_flag=y; }
+ FLAG_MACRO(priority)
+ FLAG_MACRO(before)
+ FLAG_MACRO(after)
+ FLAG_MACRO(tension)
+ FLAG_MACRO(continuity)
+ FLAG_MACRO(bias)
+ FLAG_MACRO(temporal_tension)
+ #undef FLAG_MACRO
+
+ void reset()
+ {
+ priority_flag=false;
+ before_flag=false;
+ after_flag=false;
+ tension_flag=false;
+ continuity_flag=false;
+ bias_flag=false;
+ temporal_tension_flag=false;
+ }
+
+ bool is_trivial()const
+ {
+ return !(
+ priority_flag||
+ before_flag||
+ after_flag||
+ tension_flag||
+ continuity_flag||
+ bias_flag||
+ temporal_tension_flag
+ );
+ }
+ };
+
+ enum Side
+ {
+ SIDE_UNSPECIFIED, SIDE_LEFT, SIDE_RIGHT,
+
+ SIDE_END=2 //!< \internal
+ };
+
+ /*
+ -- ** -- D A T A -------------------------------------------------------------
+ */
+
+private:
+
+ int priority_;
+ etl::loose_handle<ValueNode> parent_;
+
+ Interpolation before, after;
+
+ etl::rhandle<ValueNode> value_node;
+
+ Time time;
+
+ // The following are for the INTERPOLATION_TCB type
+ Real tension;
+ Real continuity;
+ Real bias;
+
+ // The following are for the INTERPOLATION_MANUAL type
+ ValueBase cpoint_before,cpoint_after;
+
+
+ float time_tension;
+
+ /*
+ -- ** -- C O N S T R U C T O R S ---------------------------------------------
+ */
+
+public:
+
+ Waypoint(ValueBase value, Time time);
+ Waypoint(etl::handle<ValueNode> value_node, Time time);
+
+ Waypoint();
+
+ /*
+ -- ** -- M E M B E R F U N C T I O N S -------------------------------------
+ */
+
+public:
+
+ void apply_model(const Model &x);
+
+ Interpolation get_before()const { return before; }
+ void set_before(Interpolation x) { before=x; }
+
+ Interpolation get_after()const { return after; }
+ void set_after(Interpolation x) { after=x; }
+
+ ValueBase get_value()const;
+ ValueBase get_value(const Time &t)const;
+ void set_value(const ValueBase &x);
+
+ const etl::rhandle<ValueNode> &get_value_node()const { return value_node; }
+ void set_value_node(const etl::handle<ValueNode> &x);
+
+ const Real &get_tension()const { return tension; }
+ void set_tension(const Real &x) { tension=x; }
+
+ const Real &get_continuity()const { return continuity; }
+ void set_continuity(const Real &x) { continuity=x; }
+
+ const Real &get_bias()const { return bias; }
+ void set_bias(const Real &x) { bias=x; }
+
+ const Time &get_time()const { return time; }
+ void set_time(const Time &x);
+
+ int get_priority()const { return priority_; }
+ void set_priority(int x) { priority_=x; }
+
+ const etl::loose_handle<ValueNode> &get_parent_value_node()const { return parent_; }
+ void set_parent_value_node(const etl::loose_handle<ValueNode> &x) { parent_=x; }
+
+ bool is_static()const;
+
+ float get_temporal_tension()const { return time_tension; }
+ void set_temporal_tension(const float& x) { time_tension=x; }
+
+ bool operator<(const Waypoint &rhs)const
+ { return time<rhs.time; }
+
+ bool operator<(const Time &rhs)const
+ { return time.is_less_than(rhs); }
+ bool operator>(const Time &rhs)const
+ { return time.is_more_than(rhs); }
+
+ bool operator==(const Time &rhs)const
+ { return time.is_equal(rhs); }
+ bool operator!=(const Time &rhs)const
+ { return !time.is_equal(rhs); }
+
+ bool operator==(const UniqueID &rhs)const
+ { return get_uid()==rhs.get_uid(); }
+ bool operator!=(const UniqueID &rhs)const
+ { return get_uid()!=rhs.get_uid(); }
+
+ Waypoint clone(const GUID& deriv_guid=GUID())const;
+
+ GUID get_guid()const;
+}; // END of class Waypoint
+
+typedef std::vector< Waypoint > WaypointList;
+
+}; // END of namespace synfig
+
+/* === E N D =============================================================== */
+
+#endif
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