jittermodifier.h

// © Copyright 2010 - 2016 BlackTopp Studios Inc.
/* This file is part of The Mezzanine Engine.

    The Mezzanine Engine is free software: you can redistribute it and/or modify
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    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with The Mezzanine Engine.  If not, see <http://www.gnu.org/licenses/>.
*/
/* The original authors have included a copy of the license specified above in the
   'Docs' folder. See 'gpl.txt'
*/
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*/
/*
 -----------------------------------------------------------------------------
 This source file is part of ogre-procedural

 For the latest info, see http://code.google.com/p/ogre-procedural/

 Copyright (c) 2010-2013 Michael Broutin

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 THE SOFTWARE.
 -----------------------------------------------------------------------------
 */
#ifndef _graphicsproceduraljittermodifier_h
#define _graphicsproceduraljittermodifier_h

#include "Graphics/Procedural/Texture/texturemodifier.h"

namespace Mezzanine
{
    namespace Graphics
    {
        namespace Procedural
        {
            ///////////////////////////////////////////////////////////////////////////////
            /// @brief A modifier that will randomly shuffle the pixel being processed to a nearby position.
            /// @details
            ///////////////////////////////////////
            class MEZZ_LIB JitterModifier : public TextureModifier
            {
            protected:
                /// @internal
                /// @brief The seed to be used for the random number generator.
                Whole GeneratorSeed;
                /// @internal
                /// @brief The radius around the pixel being processed in which the pixel can be displaced.
                UInt16 JitterRadius;
            public:
                /// @brief Blank constructor.
                JitterModifier();
                /// @brief Class destructor.
                virtual ~JitterModifier();

                ///////////////////////////////////////////////////////////////////////////////
                // Utility

                /// @copydoc TextureModifier::Modify(TextureBuffer&)
                virtual void Modify(TextureBuffer& Buffer);
                /// @copydoc TextureModifier::GetName() const
                virtual String GetName() const;

                ///////////////////////////////////////////////////////////////////////////////
                // Configuration

                /// @brief Sets the seed for the "random" number generator.
                /// @param Seed The seed value for the random number generator.  Initial Value: 5120.
                /// @return Returns a reference to this.
                JitterModifier& SetGeneratorSeed(const Whole Seed);
                /// @brief Sets the range in which pixels can be swapped.
                /// @param Radius The radius around the pixel being processed in which the pixel can be displaced.  Initial Value: 32.
                /// @return Returns a reference to this.
                JitterModifier& SetJitterRadius(const UInt16 Radius);
            };//JitterModifier
        }//Procedural
    }//Graphics
}//Mezzanine

#endif