SprImpl.h

//-*****************************************************************************
//
// Copyright (c) 2013,
//  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
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// 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
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//-*****************************************************************************
 
#ifndef Alembic_AbcCoreOgawa_SprImpl_h
#define Alembic_AbcCoreOgawa_SprImpl_h
 
#include <Alembic/AbcCoreOgawa/Foundation.h>
 
namespace Alembic {
namespace AbcCoreOgawa {
namespace ALEMBIC_VERSION_NS {
 
//-*****************************************************************************
// The Scalar Property Reader fills up bytes corresponding to memory for
// a single scalar sample at a particular index.
class SprImpl
    : public AbcA::ScalarPropertyReader
    , public Alembic::Util::enable_shared_from_this<SprImpl>
{
public:
    SprImpl( AbcA::CompoundPropertyReaderPtr iParent,
             Ogawa::IGroupPtr iGroup,
             PropertyHeaderPtr iHeader );
 
    // BasePropertyReader overrides
    virtual const AbcA::PropertyHeader & getHeader() const;
    virtual AbcA::ObjectReaderPtr getObject();
    virtual AbcA::CompoundPropertyReaderPtr getParent();
    virtual AbcA::ScalarPropertyReaderPtr asScalarPtr();
 
    // ScalarPropertyReader overrides
    virtual size_t getNumSamples();
    virtual bool isConstant();
    virtual void getSample( index_t iSampleIndex,
                            void * iIntoLocation );
    virtual std::pair<index_t, chrono_t> getFloorIndex( chrono_t iTime );
    virtual std::pair<index_t, chrono_t> getCeilIndex( chrono_t iTime );
    virtual std::pair<index_t, chrono_t> getNearIndex( chrono_t iTime );
 
private:
 
    // Parent compound property writer. It must exist.
    AbcA::CompoundPropertyReaderPtr m_parent;
 
    // group from which all samples are read
    Ogawa::IGroupPtr m_group;
 
    // Stores the PropertyHeader and other info
    PropertyHeaderPtr m_header;
 
};
 
} // End namespace ALEMBIC_VERSION_NS
 
using namespace ALEMBIC_VERSION_NS;
 
} // End namespace AbcCoreOgawa
} // End namespace Alembic
 
#endif