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/*******************************************************************************
* Copyright 2009-2016 Jörg Müller
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
#pragma once
/**
* @file ADSR.h
* @ingroup fx
* The ADSR class.
*/
#include "fx/Effect.h"
AUD_NAMESPACE_BEGIN
/**
* The ADSR effect implements the Attack-Delay-Sustain-Release behaviour of a sound.
*/
class AUD_API ADSR : public Effect
{
private:
/**
* Attack time.
*/
float m_attack;
/**
* Decay time.
*/
float m_decay;
/**
* Sustain level.
*/
float m_sustain;
/**
* Release time.
*/
float m_release;
// delete copy constructor and operator=
ADSR(const ADSR&) = delete;
ADSR& operator=(const ADSR&) = delete;
public:
/**
* Creates a new ADSR object.
* @param sound The sound to apply this effect to.
* @param attack The attack time in seconds.
* @param decay The decay time in seconds.
* @param sustain The sustain level as linear volume.
* @param release The release time in seconds.
*/
ADSR(std::shared_ptr<ISound> sound, float attack, float decay, float sustain, float release);
/**
* Returns the attack time.
* @return The attack time in seconds.
*/
float getAttack() const;
/**
* Sets the attack time.
* @param attack The attack time in seconds.
*/
void setAttack(float attack);
/**
* Returns the decay time.
* @return The decay time in seconds.
*/
float getDecay() const;
/**
* Sets the decay time.
* @param decay The decay time in seconds.
*/
void setDecay(float decay);
/**
* Returns the sustain level.
* @return The sustain level in linear volume.
*/
float getSustain() const;
/**
* Sets the sustain level.
* @param sustain The sustain level in linear volume.
*/
void setSustain(float sustain);
/**
* Returns the release time.
* @return The release time in seconds.
*/
float getRelease() const;
/**
* Sets the release time.
* @param release The release time in seconds.
*/
void setRelease(float release);
virtual std::shared_ptr<IReader> createReader();
};
AUD_NAMESPACE_END
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