+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file valuenode_animated.cpp
-** \brief Template File
-**
-** $Id: valuenode_animated.cpp,v 1.1.1.1 2005/01/04 01:23:15 darco Exp $
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-** 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
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <vector>
-#include <list>
-#include <stdexcept>
-
-#include <cmath>
-
-#include <ETL/bezier>
-#include <ETL/hermite>
-#include <ETL/spline>
-#include <ETL/handle>
-#include <ETL/misc>
-
-#include <algorithm>
-#include <typeinfo>
-
-#include "canvas.h"
-#include "general.h"
-#include "valuenode_animated.h"
-#include "valuenode_const.h"
-#include "exception.h"
-#include "gradient.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-
-/* === M A C R O S ========================================================= */
-
-// Fast binary search implementation
-/*
-template<typename I, typename T> inline I
-binary_find(I begin, I end, const T& value)
-{
- I iter(begin+(end-begin)/2);
-
- while(end-begin>1 && !(*iter==value))
- {
- ((*iter<value)?begin:end) = iter;
-
- iter = begin+(end-begin)/2;
- }
- return iter;
-}
-*/
-
-/*
-template<typename T> String tangent_info(T a, T b, T v)
-{
- return "...";
-}
-
-String tangent_info(Vector a, Vector b, Vector v)
-{
- if(a==b)
- return strprintf("(should be zero) T=[%f,%f], Pp=[%f,%f], Pn=[%f,%f]",v[0],v[1],a[0],a[1],b[0],b[1]);
- else
- return strprintf("(should NOT be zero) T=[%f,%f], Pp=[%f,%f], Pn=[%f,%f]",v[0],v[1],a[0],a[1],b[0],b[1]);
-}
-*/
-
-template <class T>
-struct subtractor : public std::binary_function<T, T, T>
-{
- T operator()(const T &a,const T &b)const
- {
- return a-b;
- }
-};
-
-template <>
-struct subtractor<Angle> : public std::binary_function<Angle, Angle, Angle>
-{
- Angle operator()(const Angle &a,const Angle &b)const
- {
- return a.dist(b);
- }
-};
-
-template <class T>
-struct magnitude : public std::unary_function<float, T>
-{
- float operator()(const T &a)const
- {
- return abs(a);
- }
-};
-
-template <>
-struct magnitude<Angle> : public std::unary_function<float, Angle>
-{
- float operator()(const Angle &a)const
- {
- return abs(Angle::rad(a).get());
- }
-};
-
-template <>
-struct magnitude<Vector> : public std::unary_function<float, Vector>
-{
- float operator()(const Vector &a)const
- {
- return a.mag();
- }
-};
-
-template <>
-struct magnitude<Color> : public std::unary_function<float, Color>
-{
- float operator()(const Color &a)const
- {
- return abs(a.get_y());
- }
-};
-
-
-
-
-
-template <class T>
-struct is_angle_type
-{
- bool operator()()const
- {
- return false;
- }
-};
-
-template <>
-struct is_angle_type<Angle>
-{
- bool operator()()const
- {
- return true;
- }
-};
-
-/* === G L O B A L S ======================================================= */
-
-/* === C L A S S E S ======================================================= */
-
-template<typename T>
-class _Hermite : public synfig::ValueNode_Animated
-{
-public:
- typedef T value_type;
- affine_combo<value_type,Time> affine_combo_func;
- subtractor<value_type> subtract_func;
- magnitude<value_type> magnitude_func;
- is_angle_type<value_type> is_angle;
-private:
- struct PathSegment
- {
- is_angle_type<value_type> is_angle;
- subtractor<value_type> subtract_func;
-
- mutable hermite<Time,Time> first;
- mutable hermite<value_type,Time> second;
- WaypointList::iterator start;
- WaypointList::iterator end;
-
- value_type resolve(const Time &t)const
- {
- bool start_static(start->is_static());
- bool end_static(end->is_static());
-
- if(!start_static || !end_static)
- {
- //if(!start_static)
- second.p1()=start->get_value(t).get(value_type());
- if(start->get_after()==INTERPOLATION_CONSTANT || end->get_before()==INTERPOLATION_CONSTANT)
- return second.p1();
- //if(!end_static)
- second.p2()=end->get_value(t).get(value_type());
-
- // At the moment, the only type of non-constant interpolation
- // that we support is linear.
- second.t1()=
- second.t2()=subtract_func(second.p2(),second.p1());
-
- second.sync();
- }
-
- return second(first(t));
- }
- };
- typedef vector <
- PathSegment
- /*
- pair <
- hermite<Time,Time>,
- hermite<value_type,Time>
- >
- */
- > curve_list_type;
-
- curve_list_type curve_list;
-
- // Bounds of this curve
- Time r,s;
-
-public:
- ValueNode* clone(const GUID& deriv_guid)const
- {
- { ValueNode* x(find_value_node(get_guid()^deriv_guid).get()); if(x)return x; }
- _Hermite<T>* ret(new _Hermite<T>());
- ret->set_guid(get_guid()^deriv_guid);
- for(WaypointList::const_iterator iter=waypoint_list().begin();iter!=waypoint_list().end();++iter)
- ret->add(iter->clone(deriv_guid));
- return ret;
- }
-
- _Hermite()
- {
- set_type(ValueBase(value_type()).get_type());
- }
-
- virtual WaypointList::iterator new_waypoint(Time t, ValueBase value)
- {
- // Make sure we are getting data of the correct type
- //if(data.type!=type)
- // return waypoint_list_type::iterator();
-
- try { find(t); throw Exception::BadTime(_("A waypoint already exists at this point in time")); } catch(Exception::NotFound) { };
- Waypoint waypoint(value,t);
- waypoint.set_parent_value_node(this);
-
- waypoint_list_.push_back(waypoint);
- WaypointList::iterator ret=waypoint_list_.end();
- --ret;
-
- if(is_angle())
- {
- ret->set_before(INTERPOLATION_LINEAR);
- ret->set_after(INTERPOLATION_LINEAR);
- }
-
- changed();
-
- return ret;
- }
-
- virtual WaypointList::iterator new_waypoint(Time t, ValueNode::Handle value_node)
- {
- // Make sure we are getting data of the correct type
- //if(data.type!=type)
- // return waypoint_list_type::iterator();
- try { find(t); throw Exception::BadTime(_("A waypoint already exists at this point in time")); } catch(Exception::NotFound) { };
-
- Waypoint waypoint(value_node,t);
- waypoint.set_parent_value_node(this);
-
- waypoint_list_.push_back(waypoint);
- WaypointList::iterator ret=waypoint_list_.end();
- --ret;
-
- if(is_angle())
- {
- ret->set_before(INTERPOLATION_LINEAR);
- ret->set_after(INTERPOLATION_LINEAR);
- }
-
- changed();
-
- return ret;
- }
-
- virtual void on_changed()
- {
- ValueNode_Animated::on_changed();
-
- if(waypoint_list_.size()<=1)
- return;
- std::sort(waypoint_list_.begin(),waypoint_list_.end());
- //waypoint_list_.sort();
-
- r=waypoint_list_.front().get_time();
- s=waypoint_list_.back().get_time();
-
- curve_list.clear();
-
- WaypointList::iterator prev,iter,next=waypoint_list_.begin();
- int i=0;
-
- for(iter=next++;iter!=waypoint_list_.end() && next!=waypoint_list_.end();prev=iter,iter=next++,i++)
- {
- typename curve_list_type::value_type curve;
- WaypointList::iterator after_next(next);
- ++after_next;
-
- curve.start=iter;
- curve.end=next;
-
- // Set up the positions
- curve.first.set_rs(iter->get_time(), next->get_time());
- curve.second.set_rs(iter->get_time(), next->get_time());
-
- Waypoint::Interpolation iter_get_after(iter->get_after());
- Waypoint::Interpolation next_get_after(next->get_after());
- Waypoint::Interpolation iter_get_before(iter->get_before());
- Waypoint::Interpolation next_get_before(next->get_before());
-
- if(is_angle())
- {
- if(iter_get_after==INTERPOLATION_TCB)
- iter_get_after=INTERPOLATION_LINEAR;
- if(next_get_after==INTERPOLATION_TCB)
- next_get_after=INTERPOLATION_LINEAR;
- if(iter_get_before==INTERPOLATION_TCB)
- iter_get_before=INTERPOLATION_LINEAR;
- if(next_get_before==INTERPOLATION_TCB)
- next_get_before=INTERPOLATION_LINEAR;
- }
-
- if(iter->is_static() && next->is_static())
- {
- curve.second.p1()=iter->get_value().get(T());
- curve.second.p2()=next->get_value().get(T());
- if(iter_get_after==INTERPOLATION_CONSTANT || next_get_before==INTERPOLATION_CONSTANT)
- {
- // Sections must be constant on both sides.
- // NOTE: this is commented out because of some
- // user interface issues. Namely, if a section is
- // constant and the user turns off the constant on
- // one waypoint, this will end up turning it back on.
- // Confusing.
- //iter->get_after()=next->get_before()=INTERPOLATION_CONSTANT;
- curve.second.p1()=
- curve.second.p2()=iter->get_value().get(T());
- curve.second.t1()=
- curve.second.t2()=subtract_func(curve.second.p1(),curve.second.p2());
- }
- else
- {
- if(iter_get_after==INTERPOLATION_TCB && iter!=waypoint_list_.begin() && !is_angle())
- {
- if(iter->get_before()!=INTERPOLATION_TCB && !curve_list.empty())
- {
- curve.second.t1()=curve_list.back().second.t2();
- }
- else
- {
-
- const Real& t(iter->get_tension()); // Tension
- const Real& c(iter->get_continuity()); // Continuity
- const Real& b(iter->get_bias()); // Bias
-
- // The folloing line works where the previous line fails.
- value_type Pp; Pp=curve_list.back().second.p1(); // P_{i-1}
-
- const value_type& Pc(curve.second.p1()); // P_i
- const value_type& Pn(curve.second.p2()); // P_{i+1}
-
- // TCB
- value_type vect(static_cast<value_type>(subtract_func(Pc,Pp)*(((1.0-t)*(1.0+c)*(1.0+b))/2.0)+(Pn-Pc)*(((1.0-t)*(1.0-c)*(1.0-b))/2.0)));
-
- // Tension Only
- //value_type vect=(value_type)((Pn-Pp)*(1.0-t));
-
- // Linear
- //value_type vect=(value_type)(Pn-Pc);
-
- // Debugging stuff
- //synfig::info("%d:t1: %s",i,tangent_info(Pp,Pn,vect).c_str());
-
- // Adjust for time
- //vect=value_type(vect*(curve.second.get_dt()*2.0)/(curve.second.get_dt()+curve_list.back().second.get_dt()));
- //vect=value_type(vect*(curve.second.get_dt())/(curve_list.back().second.get_dt()));
-
- curve.second.t1()=vect;
- }
- }
- else if(
- iter_get_after==INTERPOLATION_LINEAR || iter_get_after==INTERPOLATION_HALT ||
- (iter_get_after==INTERPOLATION_TCB && iter==waypoint_list_.begin()))
- {
- curve.second.t1()=subtract_func(curve.second.p2(),curve.second.p1());
- }
-
- if(iter_get_before==INTERPOLATION_TCB && iter->get_after()!=INTERPOLATION_TCB && !curve_list.empty())
- {
- curve_list.back().second.t2()=curve.second.t1();
- curve_list.back().second.sync();
- }
-
-
- if(next_get_before==INTERPOLATION_TCB && after_next!=waypoint_list_.end() && !is_angle())
- {
- const Real &t(next->get_tension()); // Tension
- const Real &c(next->get_continuity()); // Continuity
- const Real &b(next->get_bias()); // Bias
- const value_type &Pp(curve.second.p1()); // P_{i-1}
- const value_type &Pc(curve.second.p2()); // P_i
- value_type Pn; Pn=after_next->get_value().get(T()); // P_{i+1}
-
- // TCB
- value_type vect(static_cast<value_type>(subtract_func(Pc,Pp)*(((1.0-t)*(1.0-c)*(1.0+b))/2.0)+(Pn-Pc)*(((1.0-t)*(1.0+c)*(1.0-b))/2.0)));
-
- // Tension Only
- //value_type vect((value_type)((Pn-Pp)*(1.0-t)));
-
- // Linear
- //value_type vect=(value_type)(Pc-Pp);
-
- // Debugging stuff
- //synfig::info("%d:t2: %s",i,tangent_info(Pp,Pn,vect).c_str());
-
- // Adjust for time
- //vect=value_type(vect*(curve.second.get_dt()*2.0)/(curve.second.get_dt()+(after_next->get_time()-next->get_time())));
- //vect=value_type(vect*(curve.second.get_dt()/((after_next->get_time()-next->get_time()))));
-
- curve.second.t2()=vect;
- }
- else if(
- next_get_before==INTERPOLATION_LINEAR || next_get_before==INTERPOLATION_HALT ||
- (next_get_before==INTERPOLATION_TCB && after_next==waypoint_list_.end()))
- {
- curve.second.t2()=subtract_func(curve.second.p2(),curve.second.p1());
- }
-
- // Adjust for time
- const float timeadjust(0.5);
-
- if(!curve_list.empty())
- curve.second.t1()*=(curve.second.get_dt()*(timeadjust+1))/(curve.second.get_dt()*timeadjust+curve_list.back().second.get_dt());
- if(after_next!=waypoint_list_.end())
- curve.second.t2()*=(curve.second.get_dt()*(timeadjust+1))/(curve.second.get_dt()*timeadjust+(after_next->get_time()-next->get_time()));
-
- if(iter_get_after==INTERPOLATION_HALT)
- curve.second.t1()*=0;
-
- if(next_get_before==INTERPOLATION_HALT)
- curve.second.t2()*=0;
- }
- }
-
- // Set up the time to the default stuff
- curve.first.set_rs(iter->get_time(), next->get_time());
- curve.first.p1()=iter->get_time();
- curve.first.p2()=next->get_time();
- curve.first.t1()=(curve.first.p2()-curve.first.p1())*(1.0f-iter->get_time_tension());
- curve.first.t2()=(curve.first.p2()-curve.first.p1())*(1.0f-next->get_time_tension());
-
-
- curve.first.sync();
- curve.second.sync();
-
- curve_list.push_back(curve);
- }
- }
-
- virtual ValueBase operator()(Time t)const
- {
- if(waypoint_list_.empty())
- return value_type(); //! \todo Perhaps we should throw something here?
- if(waypoint_list_.size()==1)
- return waypoint_list_.front().get_value(t);
- if(t<=r)
- return waypoint_list_.front().get_value(t);
- if(t>=s)
- return waypoint_list_.back().get_value(t);
-
- typename curve_list_type::const_iterator iter;
-
- // This next line will set iter to the
- // correct iterator for the given time.
- for(iter=curve_list.begin();iter<curve_list.end() && t>=iter->first.get_s();++iter)
- continue;
- if(iter==curve_list.end())
- return waypoint_list_.back().get_value(t);
- return iter->resolve(t);
- }
-};
-
-
-template<typename T>
-class _Constant : public synfig::ValueNode_Animated
-{
-public:
- typedef T value_type;
-
-private:
-
- // Bounds of this curve
- Time r,s;
-
-public:
- ValueNode* clone(const GUID& deriv_guid)const
- {
- { ValueNode* x(find_value_node(get_guid()^deriv_guid).get()); if(x)return x; }
- _Constant<T>* ret(new _Constant<T>());
- ret->set_guid(get_guid()^deriv_guid);
- for(WaypointList::const_iterator iter=waypoint_list().begin();iter!=waypoint_list().end();++iter)
- ret->add(iter->clone(deriv_guid));
- return ret;
- }
-
- _Constant()
- {
- set_type(ValueBase(value_type()).get_type());
- }
-
- virtual WaypointList::iterator new_waypoint(Time t, ValueBase value)
- {
- // Make sure we are getting data of the correct type
- //if(data.type!=type)
- // return waypoint_list_type::iterator();
- try { find(t); throw Exception::BadTime(_("A waypoint already exists at this point in time")); } catch(Exception::NotFound) { };
-
- Waypoint waypoint(value,t);
- waypoint.set_parent_value_node(this);
-
- waypoint_list_.push_back(waypoint);
- WaypointList::iterator ret=waypoint_list_.end();
- --ret;
- changed();
-
- return ret;
- }
-
- virtual WaypointList::iterator new_waypoint(Time t, ValueNode::Handle value_node)
- {
- // Make sure we are getting data of the correct type
- //if(data.type!=type)
- // return waypoint_list_type::iterator();
- try { find(t); throw Exception::BadTime(_("A waypoint already exists at this point in time")); } catch(Exception::NotFound) { };
-
- Waypoint waypoint(value_node,t);
- waypoint.set_parent_value_node(this);
-
- waypoint_list_.push_back(waypoint);
- WaypointList::iterator ret=waypoint_list_.end();
- --ret;
- changed();
-
- return ret;
- }
-
- virtual void on_changed()
- {
- ValueNode_Animated::on_changed();
-
- if(waypoint_list_.size()<=1)
- return;
- std::sort(waypoint_list_.begin(),waypoint_list_.end());
- //waypoint_list_.sort();
- r=waypoint_list_.front().get_time();
- s=waypoint_list_.back().get_time();
-
- }
-
- virtual ValueBase operator()(Time t)const
- {
- if(waypoint_list_.size()==1)
- return waypoint_list_.front().get_value(t);
- if(waypoint_list_.empty())
- return value_type();
- if(t<=r)
- return waypoint_list_.front().get_value(t);
- if(t>=s)
- return waypoint_list_.back().get_value(t);
-
- typename WaypointList::const_iterator iter;
- typename WaypointList::const_iterator next;
-
- // This next line will set iter to the
- // correct iterator for the given time.
- for(next=waypoint_list_.begin(),iter=next++;next!=waypoint_list_.end() && t>=next->get_time();iter=next++)
- continue;
-
- return iter->get_value(t);
- }
-};
-
-class _AnimBool : public synfig::ValueNode_Animated
-{
-public:
- typedef bool value_type;
-
-private:
-
- // Bounds of this curve
- Time r,s;
-
-public:
- ValueNode* clone(const GUID& deriv_guid)const
- {
- { ValueNode* x(find_value_node(get_guid()^deriv_guid).get()); if(x)return x; }
- _AnimBool* ret(new _AnimBool());
- ret->set_guid(get_guid()^deriv_guid);
- for(WaypointList::const_iterator iter=waypoint_list().begin();iter!=waypoint_list().end();++iter)
- ret->add(iter->clone(deriv_guid));
- return ret;
- }
-
- _AnimBool()
- {
- set_type(ValueBase(value_type()).get_type());
- }
-
- virtual WaypointList::iterator new_waypoint(Time t, ValueBase value)
- {
- // Make sure we are getting data of the correct type
- //if(data.type!=type)
- // return waypoint_list_type::iterator();
- try { find(t); throw Exception::BadTime(_("A waypoint already exists at this point in time")); } catch(Exception::NotFound) { };
-
-
- Waypoint waypoint(value,t);
- waypoint.set_parent_value_node(this);
-
- waypoint_list_.push_back(waypoint);
- WaypointList::iterator ret=waypoint_list_.end();
- --ret;
- changed();
-
- return ret;
- }
-
- virtual WaypointList::iterator new_waypoint(Time t, ValueNode::Handle value_node)
- {
- // Make sure we are getting data of the correct type
- //if(data.type!=type)
- // return waypoint_list_type::iterator();
- try { find(t); throw Exception::BadTime(_("A waypoint already exists at this point in time")); } catch(Exception::NotFound) { };
-
- Waypoint waypoint(value_node,t);
- waypoint.set_parent_value_node(this);
-
- waypoint_list_.push_back(waypoint);
- WaypointList::iterator ret=waypoint_list_.end();
- --ret;
- changed();
-
- return ret;
- }
-
- virtual void on_changed()
- {
- ValueNode_Animated::on_changed();
-
- if(waypoint_list_.size()<=1)
- return;
- std::sort(waypoint_list_.begin(),waypoint_list_.end());
- //waypoint_list_.sort();
- r=waypoint_list_.front().get_time();
- s=waypoint_list_.back().get_time();
-
- }
-
- virtual ValueBase operator()(Time t)const
- {
- if(waypoint_list_.size()==1)
- return waypoint_list_.front().get_value(t);
- if(waypoint_list_.empty())
- return false;
- if(t<r)
- return waypoint_list_.front().get_value(t);
- if(t>s)
- return waypoint_list_.back().get_value(t);
-
- WaypointList::const_iterator iter;
- WaypointList::const_iterator next;
-
- // This next line will set iter to the
- // correct iterator for the given time.
- for(next=waypoint_list_.begin(),iter=next++;next!=waypoint_list_.end() && t>=next->get_time();iter=next++)
- if(iter->get_time()==t)
- return iter->get_value(t);
-
- if(iter->get_time()==t)
- return iter->get_value(t);
-
- if(next!=waypoint_list_.end())
- return iter->get_value(t).get(bool()) || next->get_value(t).get(bool());
- return iter->get_value(t);
- }
-};
-
-/* === M E T H O D S ======================================================= */
-
-ValueNode_Animated::ValueNode_Animated()
-{
- DCAST_HACK_ENABLE();
-}
-
-int
-ValueNode_Animated::find(const Time& begin,const Time& end,std::vector<Waypoint*>& selected)
-{
- Time curr_time(begin);
- int ret(0);
-
- // try to grab first waypoint
- try
- {
- WaypointList::iterator iter;
- iter=find(curr_time);
- selected.push_back(&*iter);
- ret++;
- }
- catch(...) { }
-
- try
- {
- WaypointList::iterator iter;
- while(true)
- {
- iter=find_next(curr_time);
- curr_time=iter->get_time();
- if(curr_time>=end)
- break;
- selected.push_back(&*iter);
- ret++;
- }
- }
- catch(...) { }
-
- return ret;
-}
-
-/*
-void
-ValueNode_Animated::manipulate_time(const Time& old_begin,const Time& old_end,const Time& new_begin,const Time& new_end)
-{
-#define old_2_new(x) (((x)-old_begin)/(old_end-old_begin)*(new_end-new_begin)+new_begin)
- std::vector<Waypoint*> selected;
- std::vector<Waypoint*>::iterator iter;
-
- if(find(old_begin,old_end,selected))
- {
- // check to make sure this operation is OK
- for(iter=selected.begin();iter!=selected.end();++iter)
- {
- try
- {
- Time new_time(old_2_new((*iter)->get_time()));
- if(new_time>=old_begin && new_time<old_end)
- continue;
- find(new_time);
- // If we found a waypoint already at that time, then
- // we need to abort
- throw Exception::BadTime(_("Waypoint Conflict"));
- }
- catch(Exception::NotFound) { }
-
- selected.back()->set_time(old_2_new(selected.back()->get_time()));
- selected.pop_back();
- }
-
-
- while(!selected.empty())
- {
- selected.back()->set_time(old_2_new(selected.back()->get_time()));
- selected.pop_back();
- }
-
- changed();
- }
-#undef old_2_new
-}
-*/
-
-Waypoint
-ValueNode_Animated::new_waypoint_at_time(const Time& time)const
-{
- Waypoint waypoint;
- try
- {
- // Trivial case, we are sitting on a waypoint
- waypoint=*find(time);
- waypoint.make_unique();
- }
- catch(...)
- {
- if(waypoint_list().empty())
- {
- waypoint.set_value((*this)(time));
- }
- else
- {
- WaypointList::const_iterator prev;
- WaypointList::const_iterator next;
-
- bool has_prev(false), has_next(false);
-
- try { prev=find_prev(time); has_prev=true; } catch(...) { }
- try { next=find_next(time); has_next=true; } catch(...) { }
-
- /*
- WaypointList::const_iterator closest;
-
- if(has_prev&&!has_next)
- closest=prev;
- else if(has_next&&!has_prev)
- closest=next;
- else if(time-prev->get_time()<next->get_time()-time)
- closest=prev;
- else
- closest=next;
-
- for(iter=waypoint_list().begin();iter!=waypoint_list().end();++iter)
- {
- const Real dist(abs(iter->get_time()-time));
- if(dist<abs(closest->get_time()-time))
- closest=iter;
- }
- */
-
- if(has_prev && !prev->is_static())
- waypoint.set_value_node(prev->get_value_node());
- if(has_next && !next->is_static())
- waypoint.set_value_node(next->get_value_node());
- else
- waypoint.set_value((*this)(time));
-
- /*if(has_prev)
- waypoint.set_after(prev->get_before());
- if(has_next)
- waypoint.set_before(next->get_after());
- */
- }
- }
- waypoint.set_time(time);
- waypoint.set_parent_value_node(const_cast<ValueNode_Animated*>(this));
-// synfig::info("waypoint.get_after()=set to %d",waypoint.get_after());
-// synfig::info("waypoint.get_before()=set to %d",waypoint.get_before());
-
- return waypoint;
-}
-
-ValueNode_Animated::WaypointList::iterator
-ValueNode_Animated::find(const UniqueID &x)
-{
- ValueNode_Animated::WaypointList::iterator iter;
- iter=std::find(waypoint_list().begin(),waypoint_list().end(),x);
- if(iter==waypoint_list().end() || iter->get_uid()!=x.get_uid())
- throw Exception::NotFound(strprintf("ValueNode_Animated::find(): Can't find UniqueID %d",x.get_uid()));
- return iter;
-}
-
-ValueNode_Animated::WaypointList::const_iterator
-ValueNode_Animated::find(const UniqueID &x)const
-{
- return const_cast<ValueNode_Animated*>(this)->find(x);
- /*
- ValueNode_Animated::WaypointList::const_iterator iter;
- iter=std::find(waypoint_list().begin(),waypoint_list().end(),x);
- if(iter!=waypoint_list().end() && iter->get_uid()!=x.get_uid())
- throw Exception::NotFound(strprintf("ValueNode_Animated::find()const: Can't find UniqueID %d",x.get_uid()));
- return iter;
- */
-}
-
-ValueNode_Animated::WaypointList::iterator
-ValueNode_Animated::find(const Time &x)
-{
- WaypointList::iterator iter(binary_find(waypoint_list().begin(),waypoint_list().end(),x));
-
- if(iter!=waypoint_list().end() && x.is_equal(iter->get_time()))
- return iter;
-
- throw Exception::NotFound(strprintf("ValueNode_Animated::find(): Can't find Waypoint at %s",x.get_string().c_str()));
-}
-
-ValueNode_Animated::WaypointList::const_iterator
-ValueNode_Animated::find(const Time &x)const
-{
- return const_cast<ValueNode_Animated*>(this)->find(x);
- /*
- WaypointList::const_iterator iter(binary_find(waypoint_list().begin(),waypoint_list().end(),x));
-
- if(iter!=waypoint_list().end() && x.is_equal(iter->get_time()))
- return iter;
-
- throw Exception::NotFound(strprintf("ValueNode_Animated::find(): Can't find Waypoint at %s",x.get_string().c_str()));
- */
-}
-
-ValueNode_Animated::WaypointList::iterator
-ValueNode_Animated::find_next(const Time &x)
-{
- WaypointList::iterator iter(binary_find(waypoint_list().begin(),waypoint_list().end(),x));
-
- if(iter!=waypoint_list().end())
- {
- if(iter->get_time().is_more_than(x))
- return iter;
- ++iter;
- if(iter!=waypoint_list().end() && iter->get_time().is_more_than(x))
- return iter;
- }
-
- throw Exception::NotFound(strprintf("ValueNode_Animated::find_next(): Can't find Waypoint after %s",x.get_string().c_str()));
-}
-
-ValueNode_Animated::WaypointList::const_iterator
-ValueNode_Animated::find_next(const Time &x)const
-{
- return const_cast<ValueNode_Animated*>(this)->find_next(x);
- /*
- WaypointList::const_iterator iter(binary_find(waypoint_list().begin(),waypoint_list().end(),x));
-
- if(iter!=waypoint_list().end())
- {
- if(iter->get_time()-Time::epsilon()>x)
- return iter;
- ++iter;
- if(iter!=waypoint_list().end() && iter->get_time()-Time::epsilon()>x)
- return iter;
- }
-
- throw Exception::NotFound(strprintf("ValueNode_Animated::find_next(): Can't find Waypoint after %s",x.get_string().c_str()));
-*/
-}
-
-ValueNode_Animated::WaypointList::iterator
-ValueNode_Animated::find_prev(const Time &x)
-{
- WaypointList::iterator iter(binary_find(waypoint_list().begin(),waypoint_list().end(),x));
-
- if(iter!=waypoint_list().end())
- {
- if(iter->get_time().is_less_than(x))
- return iter;
- if(iter!=waypoint_list().begin() && (--iter)->get_time().is_less_than(x))
- return iter;
- }
-
- throw Exception::NotFound(strprintf("ValueNode_Animated::find_prev(): Can't find Waypoint after %s",x.get_string().c_str()));
-}
-
-ValueNode_Animated::WaypointList::const_iterator
-ValueNode_Animated::find_prev(const Time &x)const
-{
- return const_cast<ValueNode_Animated*>(this)->find_prev(x);
- /*
- WaypointList::const_iterator iter(binary_find(waypoint_list().begin(),waypoint_list().end(),x));
-
- if(iter!=waypoint_list().end())
- {
- if(iter->get_time()+Time::epsilon()<x)
- return iter;
- if(iter!=waypoint_list().begin() && (--iter)->get_time()+Time::epsilon()<x)
- return iter;
- }
- throw Exception::NotFound(strprintf("ValueNode_Animated::find_prev(): Can't find Waypoint after %s",x.get_string().c_str()));
- */
-}
-
-void
-ValueNode_Animated::erase(const UniqueID &x)
-{
- waypoint_list().erase(find(x));
-}
-
-ValueNode_Animated::WaypointList::iterator
-ValueNode_Animated::add(const Waypoint &x)
-{
- Waypoint waypoint(x);
- waypoint.set_parent_value_node(this);
- waypoint_list_.push_back(waypoint);
- //assert(waypoint_list_.back().get_parent_value_node()==this);
- WaypointList::iterator ret=waypoint_list_.end();
- --ret;
- changed();
- return ret;
-}
-
-void
-ValueNode_Animated::set_type(ValueBase::Type t)
-{
- ValueNode::set_type(t);
-}
-
-ValueNode_Animated::Handle
-synfig::ValueNode_Animated::create(ValueBase::Type type)
-{
- switch(type)
- {
- case ValueBase::TYPE_TIME:
- return ValueNode_Animated::Handle(new _Hermite<Time>);
- case ValueBase::TYPE_REAL:
- return ValueNode_Animated::Handle(new _Hermite<Vector::value_type>);
- case ValueBase::TYPE_INTEGER:
- return ValueNode_Animated::Handle(new _Hermite<int>);
- case ValueBase::TYPE_ANGLE:
- return ValueNode_Animated::Handle(new _Hermite<Angle>);
- case ValueBase::TYPE_VECTOR:
- return ValueNode_Animated::Handle(new _Hermite<Vector>);
- case ValueBase::TYPE_COLOR:
- return ValueNode_Animated::Handle(new _Hermite<Color>);
-
- case ValueBase::TYPE_STRING:
- return ValueNode_Animated::Handle(new _Constant<String>);
- case ValueBase::TYPE_GRADIENT:
- return ValueNode_Animated::Handle(new _Constant<Gradient>);
- case ValueBase::TYPE_BOOL:
- return ValueNode_Animated::Handle(new _AnimBool);
- case ValueBase::TYPE_CANVAS:
- return ValueNode_Animated::Handle(new _Constant<Canvas::LooseHandle>);
- default:
- throw
- Exception::BadType(strprintf(_("%s: You cannot use a %s in an animated ValueNode"),"synfig::ValueNode_Animated::create()",
- ValueBase::type_name(type).c_str())
- );
- break;
- }
- return ValueNode_Animated::Handle();
-}
-
-ValueNode_Animated::Handle
-ValueNode_Animated::create(const ValueBase& value, const Time& time)
-{
- return create(ValueNode::Handle(ValueNode_Const::create(value)),time);
-}
-
-ValueNode_Animated::Handle
-ValueNode_Animated::create(ValueNode::Handle value_node, const Time& time)
-{
- ValueNode_Animated::Handle ret(create(value_node->get_type()));
- ret->new_waypoint(time,value_node);
- return ret;
-}
-
-ValueNode_Animated::~ValueNode_Animated()
-{
-}
-
-String
-ValueNode_Animated::get_name()const
-{
- return "animated";
-}
-
-String
-ValueNode_Animated::get_local_name()const
-{
- return _("Animated");
-}
-
-void ValueNode_Animated::get_times_vfunc(Node::time_set &set) const
-{
- //add all the way point times to the value node...
-
- WaypointList::const_iterator i = waypoint_list().begin(),
- end = waypoint_list().end();
-
- for(; i != end; ++i)
- {
- TimePoint t;
- t.set_time(i->get_time());
- t.set_before(i->get_before());
- t.set_after(i->get_after());
- t.set_guid(i->get_guid());
- set.insert(t);
- }
-}
-struct timecmp
- {
- Time t;
-
- timecmp(const Time &c) :t(c) {}
-
- bool operator()(const Waypoint &rhs) const
- {
- return t.is_equal(rhs.get_time());
- }
- };
-
- ValueNode_Animated::findresult
- ValueNode_Animated::find_uid(const UniqueID &x)
- {
- findresult f;
- f.second = false;
-
- //search for it... and set the bool part of the return value to true if we found it!
- f.first = std::find(waypoint_list_.begin(), waypoint_list_.end(), x);
- if(f.first != waypoint_list_.end())
- f.second = true;
-
- return f;
- }
-
- ValueNode_Animated::const_findresult
- ValueNode_Animated::find_uid(const UniqueID &x)const
- {
- const_findresult f;
- f.second = false;
-
- //search for it... and set the bool part of the return value to true if we found it!
- f.first = std::find(waypoint_list_.begin(), waypoint_list_.end(), x);
- if(f.first != waypoint_list_.end())
- f.second = true;
-
- return f;
- }
-
- ValueNode_Animated::findresult
- ValueNode_Animated::find_time(const Time &x)
- {
- findresult f;
- f.second = false;
-
- //search for it... and set the bool part of the return value to true if we found it!
- f.first = std::find_if(waypoint_list_.begin(), waypoint_list_.end(), timecmp(x));
- if(f.first != waypoint_list_.end())
- f.second = true;
-
- return f;
- }
-
-ValueNode_Animated::const_findresult
-ValueNode_Animated::find_time(const Time &x)const
-{
- const_findresult f;
- f.second = false;
-
- //search for it... and set the bool part of the return value to true if we found it!
- f.first = std::find_if(waypoint_list_.begin(), waypoint_list_.end(), timecmp(x));
- if(f.first != waypoint_list_.end())
- f.second = true;
-
- return f;
-}
-
-void
-ValueNode_Animated::insert_time(const Time& location, const Time& delta)
-{
- if(!delta)
- return;
- try
- {
- WaypointList::iterator iter(find_next(location));
- for(;iter!=waypoint_list().end();++iter)
- {
- iter->set_time(iter->get_time()+delta);
- }
- changed();
- }
- catch(Exception::NotFound) { }
-}