///////////////////////////////////////////////////////////////////////////

//

// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas

// Digital Ltd. LLC

// 

// All rights reserved.

// 

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

// *       Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

// *       Redistributions in binary form must reproduce the above

// copyright notice, this list of conditions and the following disclaimer

// in the documentation and/or other materials provided with the

// distribution.

// *       Neither the name of Industrial Light & Magic nor the names of

// its contributors may be used to endorse or promote products derived

// from this software without specific prior written permission. 

// 

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

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//

///////////////////////////////////////////////////////////////////////////

#ifndef INCLUDED_ENVMAP_IMAGE_H

#define INCLUDED_ENVMAP_IMAGE_H

//-----------------------------------------------------------------------------

//

//        class EnvmapImage

//

//-----------------------------------------------------------------------------

#include "namespaceAlias.h"

#include <ImfArray.h>

#include <ImfRgba.h>

#include <ImfEnvmap.h>

#include <ImathBox.h>

class EnvmapImage

{

  public:

      EnvmapImage ();

      EnvmapImage (IMF::Envmap type, const IMATH::Box2i &dataWindow);

      void                      resize (IMF::Envmap type,

                                        const IMATH::Box2i &dataWindow);

      void                      clear ();

      IMF::Envmap               type () const;

      const IMATH::Box2i &      dataWindow () const;

      IMF::Array2D<IMF::Rgba> & pixels ();

      const IMF::Array2D<IMF::Rgba> &

                                pixels () const;

      IMF::Rgba                 filteredLookup (IMATH::V3f direction,

                                                float radius,

                                                int numSamples) const;

  private:

      IMF::Rgba                 sample (const IMATH::V2f &pos) const;

      IMF::Envmap               _type;

      IMATH::Box2i              _dataWindow;

      IMF::Array2D<IMF::Rgba>   _pixels;

};

#endif