field.hpp

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/* OpenCMISS-Zinc Library
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef CMZN_FIELD_HPP__
#define CMZN_FIELD_HPP__

#include "zinc/field.h"

namespace OpenCMISS
{
namespace Zinc
{

class Differentialoperator;
class Element;
class Fieldcache;
class FieldComponent;
class FieldElementGroup;
class FieldFindMeshLocation;
class FieldFiniteElement;
class FieldGroup;
class FieldImage;
class FieldImagefilterBinaryThreshold;
class FieldImagefilterDiscreteGaussian;
class FieldImagefilterHistogram;
class FieldImagefilterThreshold;
class FieldNodeGroup;
class FieldStoredMeshLocation;
class FieldStoredString;
class Fieldmodule;

class Field
{
protected:

    cmzn_field_id id;

public:

    Field() : id(0)
    { }

    // takes ownership of C handle, responsibility for destroying it
    explicit Field(cmzn_field_id field_id) : id(field_id)
    { }

    Field(const Field& field) : id(cmzn_field_access(field.id))
    { }

    Field& operator=(const Field& field)
    {
        cmzn_field_id temp_id = cmzn_field_access(field.id);
        if (0 != id)
        {
            cmzn_field_destroy(&id);
        }
        id = temp_id;
        return *this;
    }

    ~Field()
    {
        if (0 != id)
        {
            cmzn_field_destroy(&id);
        }
    }

    bool isValid() const
    {
        return (0 != id);
    }

    cmzn_field_id getId() const
    {
        return id;
    }

    enum ChangeFlag
    {
        CHANGE_FLAG_NONE = CMZN_FIELD_CHANGE_FLAG_NONE,
        CHANGE_FLAG_ADD = CMZN_FIELD_CHANGE_FLAG_ADD,
        CHANGE_FLAG_REMOVE = CMZN_FIELD_CHANGE_FLAG_REMOVE,
        CHANGE_FLAG_IDENTIFIER = CMZN_FIELD_CHANGE_FLAG_IDENTIFIER,
        CHANGE_FLAG_DEFINITION = CMZN_FIELD_CHANGE_FLAG_DEFINITION,
        CHANGE_FLAG_FULL_RESULT = CMZN_FIELD_CHANGE_FLAG_FULL_RESULT,
        CHANGE_FLAG_PARTIAL_RESULT = CMZN_FIELD_CHANGE_FLAG_PARTIAL_RESULT,
        CHANGE_FLAG_RESULT = CMZN_FIELD_CHANGE_FLAG_RESULT,
        CHANGE_FLAG_FINAL = CMZN_FIELD_CHANGE_FLAG_FINAL
    };

    typedef int ChangeFlags;

    enum CoordinateSystemType
    {
        COORDINATE_SYSTEM_TYPE_INVALID = CMZN_FIELD_COORDINATE_SYSTEM_TYPE_INVALID,
        COORDINATE_SYSTEM_TYPE_RECTANGULAR_CARTESIAN = CMZN_FIELD_COORDINATE_SYSTEM_TYPE_RECTANGULAR_CARTESIAN ,
        COORDINATE_SYSTEM_TYPE_CYLINDRICAL_POLAR = CMZN_FIELD_COORDINATE_SYSTEM_TYPE_CYLINDRICAL_POLAR,
        COORDINATE_SYSTEM_TYPE_SPHERICAL_POLAR = CMZN_FIELD_COORDINATE_SYSTEM_TYPE_SPHERICAL_POLAR,
        COORDINATE_SYSTEM_TYPE_PROLATE_SPHEROIDAL = CMZN_FIELD_COORDINATE_SYSTEM_TYPE_PROLATE_SPHEROIDAL,
        COORDINATE_SYSTEM_TYPE_OBLATE_SPHEROIDAL = CMZN_FIELD_COORDINATE_SYSTEM_TYPE_OBLATE_SPHEROIDAL,
        COORDINATE_SYSTEM_TYPE_FIBRE = CMZN_FIELD_COORDINATE_SYSTEM_TYPE_FIBRE
    };

    enum DomainType
    {
        DOMAIN_TYPE_INVALID = CMZN_FIELD_DOMAIN_TYPE_INVALID,
        DOMAIN_TYPE_POINT = CMZN_FIELD_DOMAIN_TYPE_POINT,
        DOMAIN_TYPE_NODES = CMZN_FIELD_DOMAIN_TYPE_NODES,
        DOMAIN_TYPE_DATAPOINTS = CMZN_FIELD_DOMAIN_TYPE_DATAPOINTS,
        DOMAIN_TYPE_MESH1D = CMZN_FIELD_DOMAIN_TYPE_MESH1D,
        DOMAIN_TYPE_MESH2D = CMZN_FIELD_DOMAIN_TYPE_MESH2D,
        DOMAIN_TYPE_MESH3D = CMZN_FIELD_DOMAIN_TYPE_MESH3D,
        DOMAIN_TYPE_MESH_HIGHEST_DIMENSION = CMZN_FIELD_DOMAIN_TYPE_MESH_HIGHEST_DIMENSION
    };

    typedef int DomainTypes;

    enum ValueType
    {
        VALUE_TYPE_INVALID = CMZN_FIELD_VALUE_TYPE_INVALID,
        VALUE_TYPE_REAL = CMZN_FIELD_VALUE_TYPE_REAL,
        VALUE_TYPE_STRING = CMZN_FIELD_VALUE_TYPE_STRING,
        VALUE_TYPE_MESH_LOCATION = CMZN_FIELD_VALUE_TYPE_MESH_LOCATION
    };

    bool isManaged()
    {
        return cmzn_field_is_managed(id);
    }

    int setManaged(bool value)
    {
        return cmzn_field_set_managed(id, value);
    }

    char *getComponentName(int componentNumber)
    {
        return cmzn_field_get_component_name(id, componentNumber);
    }

    int setComponentName(int componentNumber, const char *name)
    {
        return cmzn_field_set_component_name(id, componentNumber, name);
    }

    double getCoordinateSystemFocus()
    {
        return cmzn_field_get_coordinate_system_focus(id);
    }

    int setCoordinateSystemFocus(double focus)
    {
         return cmzn_field_set_coordinate_system_focus(id, focus);
    }

    CoordinateSystemType getCoordinateSystemType()
    {
        return static_cast<CoordinateSystemType>(
            cmzn_field_get_coordinate_system_type(id));
    }

    int setCoordinateSystemType(CoordinateSystemType coordinateSystemType)
    {
         return cmzn_field_set_coordinate_system_type(id,
             static_cast<cmzn_field_coordinate_system_type>(coordinateSystemType));
    }

    int getNumberOfComponents()
    {
        return cmzn_field_get_number_of_components(id);
    }

    char *getName()
    {
        return cmzn_field_get_name(id);
    }

    int setName(const char *name)
    {
        return cmzn_field_set_name(id, name);
    }

    int getNumberOfSourceFields()
    {
        return cmzn_field_get_number_of_source_fields(id);
    }

    Field getSourceField(int index)
    {
        return Field(cmzn_field_get_source_field(id, index));
    }

    bool isTypeCoordinate()
    {
        return cmzn_field_is_type_coordinate(id);
    }

    int setTypeCoordinate(bool value)
    {
        return cmzn_field_set_type_coordinate(id, value);
    }

    ValueType getValueType()
    {
        return static_cast<ValueType>(cmzn_field_get_value_type(id));
    }

    inline Fieldmodule getFieldmodule() const;

    inline int assignMeshLocation(const Fieldcache& cache, const Element& element,
        int coordinatesCount, const double *coordinatesIn);

    inline int assignReal(const Fieldcache& cache, int valuesCount, const double *valuesIn);

    inline int assignString(const Fieldcache& cache, const char *stringValue);

    inline Element evaluateMeshLocation(const Fieldcache& cache, int coordinatesCount,
        double *coordinatesOut);

    inline int evaluateReal(const Fieldcache& cache, int valuesCount, double *valuesOut);

    inline char *evaluateString(const Fieldcache& cache);

    inline int evaluateDerivative(const Differentialoperator& differentialOperator,
        const Fieldcache& cache, int valuesCount, double *valuesOut);

    inline bool isDefinedAtLocation(const Fieldcache& cache);

    // casting functions: must check isValid()
    inline FieldComponent castComponent();
    inline FieldElementGroup castElementGroup();
    inline FieldFindMeshLocation castFindMeshLocation();
    inline FieldFiniteElement castFiniteElement();
    inline FieldGroup castGroup();
    inline FieldImage castImage();
    inline FieldImagefilterBinaryThreshold castImagefilterBinaryThreshold();
    inline FieldImagefilterDiscreteGaussian castImagefilterDiscreteGaussian();
    inline FieldImagefilterHistogram castImagefilterHistogram();
    inline FieldImagefilterThreshold castImagefilterThreshold();
    inline FieldNodeGroup castNodeGroup();
    inline FieldStoredMeshLocation castStoredMeshLocation();
    inline FieldStoredString castStoredString();
};

inline bool operator==(const Field& a, const Field& b)
{
    return a.getId() == b.getId();
}

class Fielditerator
{
private:

    cmzn_fielditerator_id id;

public:

    Fielditerator() : id(0)
    { }

    // takes ownership of C handle, responsibility for destroying it
    explicit Fielditerator(cmzn_fielditerator_id iterator_id) :
        id(iterator_id)
    { }

    Fielditerator(const Fielditerator& fielditerator) :
        id(cmzn_fielditerator_access(fielditerator.id))
    { }

    Fielditerator& operator=(const Fielditerator& fielditerator)
    {
        cmzn_fielditerator_id temp_id = cmzn_fielditerator_access(fielditerator.id);
        if (0 != id)
        {
            cmzn_fielditerator_destroy(&id);
        }
        id = temp_id;
        return *this;
    }

    ~Fielditerator()
    {
        if (0 != id)
        {
            cmzn_fielditerator_destroy(&id);
        }
    }

    bool isValid() const
    {
        return (0 != id);
    }

    Field next()
    {
        return Field(cmzn_fielditerator_next(id));
    }
};

}  // namespace Zinc
}
#endif /* CMZN_FIELD_HPP__ */