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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 Fader.h
* @ingroup fx
* The Fader class.
*/
#include "fx/Effect.h"
#include "fx/FaderReader.h"
AUD_NAMESPACE_BEGIN
/**
* This sound fades another sound.
* If the fading type is FADE_IN, everything before the fading start will be
* silenced, for FADE_OUT that's true for everything after fading ends.
*/
class AUD_API Fader : public Effect
{
private:
/**
* The fading type.
*/
const FadeType m_type;
/**
* The fading start.
*/
const float m_start;
/**
* The fading length.
*/
const float m_length;
// delete copy constructor and operator=
Fader(const Fader&) = delete;
Fader& operator=(const Fader&) = delete;
public:
/**
* Creates a new fader sound.
* \param sound The input sound.
* \param type The fading type.
* \param start The time where fading should start in seconds.
* \param length How long fading should last in seconds.
*/
Fader(std::shared_ptr<ISound> sound,
FadeType type = FADE_IN,
float start = 0.0f, float length = 1.0f);
/**
* Returns the fading type.
*/
FadeType getType() const;
/**
* Returns the fading start.
*/
float getStart() const;
/**
* Returns the fading length.
*/
float getLength() const;
virtual std::shared_ptr<IReader> createReader();
};
AUD_NAMESPACE_END
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