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lmms/include/InlineAutomation.h
2023-01-05 17:58:49 -05:00

103 lines
2.4 KiB
C++

/*
* InlineAutomation.h - class for automating something "inline"
*
* Copyright (c) 2008-2010 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - https://lmms.io
*
* This program 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 program 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.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#ifndef LMMS_INLINE_AUTOMATION_H
#define LMMS_INLINE_AUTOMATION_H
#include "AutomationNode.h"
#include "AutomationClip.h"
#include "shared_object.h"
namespace lmms
{
class InlineAutomation : public FloatModel, public sharedObject
{
public:
InlineAutomation() :
FloatModel(),
sharedObject(),
m_autoClip( nullptr )
{
}
~InlineAutomation() override
{
if( m_autoClip )
{
delete m_autoClip;
}
}
virtual float defaultValue() const = 0;
bool hasAutomation() const
{
if( m_autoClip != nullptr && m_autoClip->getTimeMap().isEmpty() == false )
{
// Prevent saving inline automation if there's just one node at the beginning of
// the clip, which has a InValue equal to the value of model (which is going
// to be saved anyways) and no offset between the InValue and OutValue
AutomationClip::timeMap::const_iterator firstNode =
m_autoClip->getTimeMap().begin();
if (isAtInitValue()
&& m_autoClip->getTimeMap().size() == 1
&& POS(firstNode) == 0
&& INVAL(firstNode) == value()
&& OFFSET(firstNode) == 0)
{
return false;
}
return true;
}
return false;
}
AutomationClip * automationClip()
{
if( m_autoClip == nullptr )
{
m_autoClip = new AutomationClip( nullptr );
m_autoClip->addObject( this );
}
return m_autoClip;
}
void saveSettings( QDomDocument & _doc, QDomElement & _parent ) override;
void loadSettings( const QDomElement & _this ) override;
private:
AutomationClip * m_autoClip;
} ;
} // namespace lmms
#endif // LMMS_INLINE_AUTOMATION_H