TimeSampling.h

//-*****************************************************************************
//
// Copyright (c) 2009-2012,
//  Sony Pictures Imageworks, Inc. and
//  Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
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#ifndef Alembic_AbcCoreAbstract_TimeSampling_h
#define Alembic_AbcCoreAbstract_TimeSampling_h
 
#include <Alembic/Util/Export.h>
#include <Alembic/AbcCoreAbstract/Foundation.h>
#include <Alembic/AbcCoreAbstract/TimeSamplingType.h>
#include <Alembic/AbcCoreAbstract/ArraySample.h>
 
namespace Alembic {
namespace AbcCoreAbstract {
namespace ALEMBIC_VERSION_NS {
 
 
//-*****************************************************************************
class ALEMBIC_EXPORT TimeSampling
{
public:
    TimeSampling( const TimeSamplingType & iTimeSamplingType,

                  const std::vector < chrono_t > & iSampleTimes );

    TimeSampling( chrono_t iTimePerCycle, chrono_t iStartTime );
 
    TimeSampling();
 
    TimeSampling( const TimeSampling &copy );
    TimeSampling & operator=( const TimeSampling &copy );
 
    bool operator==( const TimeSampling & iRhs ) const
    {
        return (m_timeSamplingType == iRhs.m_timeSamplingType &&
            m_sampleTimes == iRhs.m_sampleTimes);
    }

    size_t getNumStoredTimes() const
    {
        return m_sampleTimes.size();
    }
 
    const std::vector < chrono_t > & getStoredTimes() const
    {
        return m_sampleTimes;
    }
 
    TimeSamplingType getTimeSamplingType() const
    {
        return m_timeSamplingType;
    }

    chrono_t getSampleTime( index_t iIndex ) const;

    std::pair<index_t, chrono_t> getFloorIndex( chrono_t iTime,
        index_t iNumSamples ) const;

    std::pair<index_t, chrono_t> getCeilIndex( chrono_t iTime,
        index_t iNumSamples ) const;

    std::pair<index_t, chrono_t> getNearIndex( chrono_t iTime,
        index_t iNumSamples ) const;
 
protected:
    TimeSamplingType m_timeSamplingType;
 
    std::vector < chrono_t > m_sampleTimes;
 
private:
    // sanity checks the data coming in
    void init();
};
 
typedef Alembic::Util::shared_ptr<TimeSampling> TimeSamplingPtr;
 
} // End namespace ALEMBIC_VERSION_NS
 
using namespace ALEMBIC_VERSION_NS;
 
} // End namespace AbcCoreAbstract
} // End namespace Alembic
 
#endif