ApwImpl.h

//-*****************************************************************************
//
// Copyright (c) 2009-2012,
//  Sony Pictures Imageworks, Inc. and
//  Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
//
// 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 Sony Pictures Imageworks, nor
// Industrial Light & Magic nor the names of their 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
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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//-*****************************************************************************
 
#ifndef Alembic_AbcCoreHDF5_ApwImpl_h
#define Alembic_AbcCoreHDF5_ApwImpl_h
 
#include <Alembic/AbcCoreHDF5/Foundation.h>
#include <Alembic/AbcCoreHDF5/SimplePwImpl.h>
#include <Alembic/AbcCoreHDF5/WrittenArraySampleMap.h>
 
namespace Alembic {
namespace AbcCoreHDF5 {
namespace ALEMBIC_VERSION_NS {
 
//-*****************************************************************************
class ApwImpl
    : public SimplePwImpl<AbcA::ArrayPropertyWriter,
                          ApwImpl,
                          const AbcA::ArraySample &,
                          AbcA::ArraySample::Key>
    , public Alembic::Util::enable_shared_from_this<ApwImpl>
{
protected:
    friend class CpwData;
 
    //-*************************************************************************
    ApwImpl( AbcA::CompoundPropertyWriterPtr iParent,
             hid_t iParentGroup,
             const std::string & iName,
             const AbcA::MetaData & iMetaData,
             const AbcA::DataType & iDataType,
             uint32_t iTimeSamplingIndex );
 
    virtual AbcA::ArrayPropertyWriterPtr asArrayPtr();
    
public:
    virtual ~ApwImpl();
 
    //-*************************************************************************
    static AbcA::ArraySample::Key
    computeSampleKey( const AbcA::ArraySample &iSamp )
    {
        return iSamp.getKey();
    }
 
    //-*************************************************************************
    bool sameAsPreviousSample( const AbcA::ArraySample &iSamp,
                               const AbcA::ArraySample::Key &iKey ) const
    {
        return ( m_previousWrittenArraySampleID &&
                 iKey == m_previousWrittenArraySampleID->getKey() );
    }
 
    //-*************************************************************************
    void copyPreviousSample( hid_t iGroup,
                             const std::string &iSampleName,
                             index_t iSampleIndex );
 
    //-*************************************************************************
    void writeSample( hid_t iGroup,
                      const std::string &iSampleName,
                      index_t iSampleIndex,
                      const AbcA::ArraySample & iSamp,
                      const AbcA::ArraySample::Key &iKey );
 
protected:
    // Previous written array sample identifier!
    WrittenArraySampleIDPtr m_previousWrittenArraySampleID;
 
private:
    bool m_isScalarLike;
    std::size_t m_previousNumPoints;
 
};
 
} // End namespace ALEMBIC_VERSION_NS
 
using namespace ALEMBIC_VERSION_NS;
 
} // End namespace AbcCoreHDF5
} // End namespace Alembic
 
#endif