Differential D2716 Diff 9153 extern/audaspace/include/fx/Volume.h

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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 Volume.h
				* @ingroup fx
				* The Volume class.
				*/

				#include "fx/Effect.h"

				AUD_NAMESPACE_BEGIN

				/**
				* This sound changes the volume of another sound.
				* The set volume should be a value between 0.0 and 1.0, higher values at your
				* own risk!
				*/
				class AUD_API Volume : public Effect
				{
				private:
				/**
				* The volume.
				*/
				const float m_volume;

				// delete copy constructor and operator=
				Volume(const Volume&) = delete;
				Volume& operator=(const Volume&) = delete;

				public:
				/**
				* Creates a new volume sound.
				* \param sound The input sound.
				* \param volume The desired volume.
				*/
				Volume(std::shared_ptr<ISound> sound, float volume);

				/**
				* Returns the volume.
				* \return The current volume.
				*/
				float getVolume() const;

				virtual std::shared_ptr<IReader> createReader();
				};

				AUD_NAMESPACE_END