//-*****************************************************************************

//

// 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

// "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_AbcGeom_ICamera_h

#define Alembic_AbcGeom_ICamera_h

#include <Alembic/Util/Export.h>

#include <Alembic/AbcGeom/Foundation.h>

#include <Alembic/AbcGeom/SchemaInfoDeclarations.h>

#include <Alembic/AbcGeom/CameraSample.h>

namespace Alembic {

namespace AbcGeom {

namespace ALEMBIC_VERSION_NS {

//-*****************************************************************************

class ALEMBIC_EXPORT ICameraSchema : public Abc::ISchema<CameraSchemaInfo>

{

    //-*************************************************************************

    // CAMERA SCHEMA

    //-*************************************************************************

public:

    //! By convention we always define this_type in AbcGeom classes.

    //! Used by unspecified-bool-type conversion below

    typedef ICameraSchema this_type;

    //-*************************************************************************

    // CONSTRUCTION, DESTRUCTION, ASSIGNMENT

    //-*************************************************************************

    //! The default constructor creates an empty OCameraMeshSchema

    //! ...

    ICameraSchema() {}

    //! This constructor creates a new camera reader.

    //! The first argument is the parent ICompoundProperty, from which the

    //! error handler policy for is derived.  The second argument is the name

    //! of the ICompoundProperty that contains this schemas properties.  The

    //! remaining optional arguments can be used to override the

    //! ErrorHandlerPolicy and to specify schema interpretation matching.

    ICameraSchema( const ICompoundProperty & iParent,

                   const std::string &iName,

                   const Abc::Argument &iArg0 = Abc::Argument(),

                   const Abc::Argument &iArg1 = Abc::Argument() )

      : Abc::ISchema<CameraSchemaInfo>( iParent, iName, iArg0, iArg1 )

    {

        init( iArg0, iArg1 );

    }

    //! This constructor wraps an existing ICompoundProperty as the camera

    //! reader, and the error handler policy is derived from it.

    //! The  remaining optional arguments can be used to override the

    //! ErrorHandlerPolicy and to specify schema interpretation matching.

    ICameraSchema( const ICompoundProperty & iProp,

                   const Abc::Argument &iArg0 = Abc::Argument(),

                   const Abc::Argument &iArg1 = Abc::Argument() )

      : Abc::ISchema<CameraSchemaInfo>( iProp, iArg0, iArg1 )

    {

        init( iArg0, iArg1 );

    }

    //! Default assignment and copy operator used.

    //! Return the time sampling.

    AbcA::TimeSamplingPtr getTimeSampling() const

    { return m_coreProperties.getTimeSampling(); }

    //! Return the number of samples contained in the property.

    //! This can be any number, including zero.

    //! This returns the number of samples that were written, independently

    //! of whether or not they were constant.

    size_t getNumSamples() const

    { return m_coreProperties.getNumSamples(); }

    //! Ask if we're constant - no change in value amongst samples,

    //! regardless of the time sampling.

    bool isConstant() const;

    void get( CameraSample &oSample,

              const Abc::ISampleSelector &iSS = Abc::ISampleSelector() ) const;

    CameraSample getValue(

        const Abc::ISampleSelector &iSS = Abc::ISampleSelector() ) const

    {

        CameraSample smp;

        get( smp, iSS );

        return smp;

    }

    // compound property to use as parent for any arbitrary GeomParams

    // underneath it

    ICompoundProperty getArbGeomParams() const { return m_arbGeomParams; }

    ICompoundProperty getUserProperties() const { return m_userProperties; }

    Abc::IBox3dProperty getChildBoundsProperty() const { return m_childBoundsProperty; }

    //! Reset returns this function set to an empty, default

    //! state.

    void reset()

    {

        m_coreProperties.reset();

        m_childBoundsProperty.reset();

        m_arbGeomParams.reset();

        m_userProperties.reset();

        m_ops.clear();

        Abc::ISchema<CameraSchemaInfo>::reset();

    }

    //! Returns whether this function set is valid.

    bool valid() const

    {

        return ( Abc::ISchema<CameraSchemaInfo>::valid() &&

                 m_coreProperties.valid() );

    }

    //! unspecified-bool-type operator overload.

    //! ...

    ALEMBIC_OVERRIDE_OPERATOR_BOOL( ICameraSchema::valid() );

protected:

    void init( const Abc::Argument &iArg0,

               const Abc::Argument &iArg1 );

    Abc::IScalarProperty m_coreProperties;

    Abc::IBox3dProperty m_childBoundsProperty;

    Abc::ICompoundProperty m_arbGeomParams;

    Abc::ICompoundProperty m_userProperties;

    Abc::IScalarProperty m_smallFilmBackChannels;

    Abc::IDoubleArrayProperty m_largeFilmBackChannels;

private:

    std::vector < FilmBackXformOp > m_ops;

};

//-*****************************************************************************

// SCHEMA OBJECT

//-*****************************************************************************

typedef Abc::ISchemaObject<ICameraSchema> ICamera;

typedef Util::shared_ptr< ICamera > ICameraPtr;

} // End namespace ALEMBIC_VERSION_NS

using namespace ALEMBIC_VERSION_NS;

} // End namespace AbcGeom

} // End namespace Alembic

#endif