/* === S Y N F I G ========================================================= */
/*! \file keyframesetdelta.cpp
** \brief Template File
**
** $Id$
**
** \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 <synfig/general.h>
#include "keyframesetdelta.h"
#include "keyframeset.h"
#include <synfigapp/localization.h>
#endif
using namespace std;
using namespace etl;
using namespace synfig;
using namespace synfigapp;
using namespace Action;
/* === M A C R O S ========================================================= */
ACTION_INIT(Action::KeyframeSetDelta);
ACTION_SET_NAME(Action::KeyframeSetDelta,"KeyframeSetDelta");
ACTION_SET_LOCAL_NAME(Action::KeyframeSetDelta,N_("Set Keyframe Delta"));
ACTION_SET_TASK(Action::KeyframeSetDelta,"set");
ACTION_SET_CATEGORY(Action::KeyframeSetDelta,Action::CATEGORY_KEYFRAME|Action::CATEGORY_HIDDEN);
ACTION_SET_PRIORITY(Action::KeyframeSetDelta,0);
ACTION_SET_VERSION(Action::KeyframeSetDelta,"0.0");
ACTION_SET_CVS_ID(Action::KeyframeSetDelta,"$Id$");
/* === G L O B A L S ======================================================= */
/* === P R O C E D U R E S ================================================= */
/* === M E T H O D S ======================================================= */
Action::KeyframeSetDelta::KeyframeSetDelta():
delta(0)
{
keyframe.set_time(Time::end());
set_dirty(false);
}
Action::ParamVocab
Action::KeyframeSetDelta::get_param_vocab()
{
ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
ret.push_back(ParamDesc("keyframe",Param::TYPE_KEYFRAME)
.set_local_name(_("Keyframe"))
);
ret.push_back(ParamDesc("delta",Param::TYPE_KEYFRAME)
.set_local_name(_("Delta"))
);
return ret;
}
bool
Action::KeyframeSetDelta::is_candidate(const ParamList &x)
{
return candidate_check(get_param_vocab(),x);
}
bool
Action::KeyframeSetDelta::set_param(const synfig::String& name, const Action::Param ¶m)
{
if(name=="keyframe" && param.get_type()==Param::TYPE_KEYFRAME)
{
keyframe=param.get_keyframe();
return true;
}
if(name=="delta" && param.get_type()==Param::TYPE_TIME)
{
delta=param.get_time();
return true;
}
return Action::CanvasSpecific::set_param(name,param);
}
bool
Action::KeyframeSetDelta::is_ready()const
{
if(keyframe.get_time()==Time::end())
return false;
return Action::CanvasSpecific::is_ready();
}
void
Action::KeyframeSetDelta::prepare()
{
KeyframeList &list = get_canvas()->keyframe_list();
KeyframeList::iterator next;
if (!list.find(keyframe, next)) throw Error(_("Unable to find the given keyframe")); // ???
++next;
if (next != list.end() && fabs(delta) > 0.00000001)
{
for(KeyframeList::iterator i = next; i != list.end(); ++i) {
Keyframe keyframe(*i);
keyframe.set_time( keyframe.get_time() + delta );
Action::Handle action(KeyframeSet::create());
action->set_param("canvas",get_canvas());
action->set_param("canvas_interface",get_canvas_interface());
action->set_param("keyframe", keyframe);
assert(action->is_ready());
if(!action->is_ready())
throw Error(Error::TYPE_NOTREADY);
if (delta > 0) add_action_front(action); else add_action(action);
}
}
}