/usr/include/synfig-1.0/synfig/keyframe.h is in libsynfig-dev 1.2.1-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*! \file keyframe.h
** \brief Template Header
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2012-2013 Konstantin Dmitriev
**
** 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_KEYFRAME_H
#define __SYNFIG_KEYFRAME_H
/* === H E A D E R S ======================================================= */
#include <ETL/handle>
#include <vector>
#include "string.h"
#include "time.h"
#include "uniqueid.h"
#include "guid.h"
#include "waypoint.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 Keyframe
** \brief Keyframe is used to record the state of the animation at that point (time_)
*
* A Keyframe can be described, actived or disabled and have an associated Waypoint::Model.
* Common comparison operators can be used for Keyframes operation ==, <, != .
* \see Keyframe::set_description(String x), Keyframe::get_description(), Keyframe::enable(), Keyframe::disable ()
*/
class Keyframe : public UniqueID
{
private:
Time time_;
String desc_;
GUID guid_;
/*! \c true if the keyframe is active, \c false if it is to be skipped (marker)
** \see set_active(), enable(), disable, active()
*/
bool active_;
Waypoint::Model waypoint_model_;
/*! \c true a waypoint model has been affected, \c false when created
** \see apply_model(const Waypoint::Model &x)
*/
bool has_waypoint_model_;
public:
Keyframe();
Keyframe(const Time &time);
~Keyframe();
void set_time(Time x) { time_=x; }
Time get_time()const { return time_; }
void set_description(String x) { desc_=x; }
String get_description()const { return desc_; }
const GUID& get_guid()const { return guid_; }
void set_guid(const GUID& x) { guid_=x; }
//! Enables the keframe (Making it \em active)
void enable() { set_active(true); }
//! Disables the keyframe (Making it \em inactive)
/*! When keyframe is disabled, it will be acting as time marker. */
void disable() { set_active(false); }
//! Sets the 'active' flag for the LaKeyframe to the state described by \a x
/*! When keyframe is disabled, it will be acting as time marker. */
void set_active(bool x);
//! Returns the status of the 'active' flag
bool active()const { return active_; }
using UniqueID::operator<;
using UniqueID::operator==;
using UniqueID::operator!=;
using UniqueID::operator=;
bool operator<(const Keyframe &rhs)const { return time_<rhs.time_; }
bool operator<(const Time &rhs)const { return time_<rhs; }
// bool operator==(const Keyframe &rhs)const { return id_==rhs.id_; }
bool operator==(const Time &rhs)const { return time_==rhs; }
// bool operator!=(const Keyframe &rhs)const { return id_!=rhs.id_; }
bool operator!=(const Time &rhs)const { return time_!=rhs; }
const Waypoint::Model &get_waypoint_model()const { return waypoint_model_; }
//! Keep a trace of the associated waypoint Model.
void apply_model(const Waypoint::Model &x);
//! Returns the status of the 'waypoint model' flag
bool has_model() const {return has_waypoint_model_; }
}; // END of class Keyframe
class KeyframeList : public std::vector<Keyframe>
{
public:
iterator add(const Keyframe &x);
void erase(const UniqueID &x);
iterator find(const UniqueID &x);
const_iterator find(const UniqueID &x)const;
//! Finds the keyframe at an exact point in time
iterator find(const Time &x);
//! Finds the keyframe after that point in time
iterator find_next(const Time &x, bool ignore_disabled = true);
//! Finds the keyframe before that point in time
iterator find_prev(const Time &x, bool ignore_disabled = true);
const_iterator find(const Time &x)const;
const_iterator find_next(const Time &x, bool ignore_disabled = true)const;
const_iterator find_prev(const Time &x, bool ignore_disabled = true)const;
void find_prev_next(const Time& time, Time &prev, Time &next, bool ignore_disabled = true)const;
void insert_time(const Time& location, const Time& delta);
void dump()const;
void sync();
};
//typedef std::list<Keyframe> KeyframeList;
}; // END of namespace synfig
/* === E N D =============================================================== */
#endif
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