XformSample.h

//-*****************************************************************************
//
// Copyright (c) 2009-2011,
//  Sony Pictures Imageworks, Inc. and
//  Industrial Light & Magic, a division of Lucasfilm Entertainment Company Ltd.
//
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#ifndef Alembic_AbcGeom_XformSample_h
#define Alembic_AbcGeom_XformSample_h
 
#include <Alembic/Util/Export.h>
#include <Alembic/AbcGeom/Foundation.h>
 
#include <Alembic/AbcGeom/XformOp.h>
 
namespace Alembic {
namespace AbcGeom {
namespace ALEMBIC_VERSION_NS {
 
//-*****************************************************************************
class ALEMBIC_EXPORT XformSample
{
public:
    XformSample();
 
    // add translate or scale op
    // returns the index of the op in its op-stack
    std::size_t addOp( XformOp iTransOrScaleOp, const Abc::V3d &iVal );
 
    // add rotate op
    // returns the index of the op in its op-stack
    std::size_t addOp( XformOp iRotateOp, const Abc::V3d &iAxis,
                       const double iAngleInDegrees );
 
    // add matrix op
    // returns the index of the op in its op-stack
    std::size_t addOp( XformOp iMatrixOp, const Abc::M44d &iMatrix );
 
    // add rotateX, rotateY, or rotateZ op
    std::size_t addOp( XformOp iSingleRotateOp,
                       const double iSingleAxisRotationInDegrees );
 
    // add an op with values already set on the op
    std::size_t addOp( const XformOp &iOp );
 
    XformOp getOp( const std::size_t iIndex ) const;
 
    XformOp &operator[]( const std::size_t &iIndex );
    const XformOp &operator[]( const std::size_t &iIndex ) const;
 
    std::size_t getNumOps() const;
    std::size_t getNumOpChannels() const;

    void setInheritsXforms( bool iInherits );
    bool getInheritsXforms() const;
 
    // non-op-based methods; the getters will compute their return values
    // from the ops under the hood, hence return-by-value.

    void setTranslation( const Abc::V3d &iTrans );
    Abc::V3d getTranslation() const;
 
    void setRotation( const Abc::V3d &iAxis, const double iAngleInDegress );
    Abc::V3d getAxis() const;
    double getAngle() const;
 
    void setXRotation( const double iAngleInDegrees );
    double getXRotation() const;
 
    void setYRotation( const double iAngleInDegrees );
    double getYRotation() const;
 
    void setZRotation( const double iAngleInDegrees );
    double getZRotation() const;
 
    void setScale( const Abc::V3d &iScale );
    Abc::V3d getScale() const;
 
    void setMatrix( const Abc::M44d &iMatrix );
    Abc::M44d getMatrix() const;

    bool isTopologyEqual( const XformSample & iSample );

    bool getIsTopologyFrozen() const { return m_hasBeenRead; }
 
    void reset();
 
private:
    friend class OXformSchema;
    friend class IXformSchema;
    void freezeTopology();
    const std::vector<Alembic::Util::uint8_t> &getOpsArray() const;
    void clear();
 
 
private:
    int32_t m_setWithOpStack;
 
    std::vector<XformOp> m_ops;
 
    bool m_inherits;

    bool m_hasBeenRead;
 
    size_t m_opIndex;
};
 
 
} // End namespace ALEMBIC_VERSION_NS
 
using namespace ALEMBIC_VERSION_NS;
 
} // End namespace AbcGeom
} // End namespace Alembic
 
#endif