element.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_ELEMENT_HPP__
#define CMZN_ELEMENT_HPP__

#include "zinc/element.h"
#include "zinc/field.hpp"
#include "zinc/differentialoperator.hpp"
#include "zinc/node.hpp"

namespace OpenCMISS
{
namespace Zinc
{

class Elementbasis
{
private:

    cmzn_elementbasis_id id;

public:

    Elementbasis() : id(0)
    { }

    // takes ownership of C handle, responsibility for destroying it
    explicit Elementbasis(cmzn_elementbasis_id element_basis_id) :
        id(element_basis_id)
    { }

    Elementbasis(const Elementbasis& elementBasis) :
        id(cmzn_elementbasis_access(elementBasis.id))
    { }

    Elementbasis& operator=(const Elementbasis& elementBasis)
    {
        cmzn_elementbasis_id temp_id = cmzn_elementbasis_access(elementBasis.id);
        if (0 != id)
        {
            cmzn_elementbasis_destroy(&id);
        }
        id = temp_id;
        return *this;
    }

    ~Elementbasis()
    {
        if (0 != id)
        {
            cmzn_elementbasis_destroy(&id);
        }
    }

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

    enum FunctionType
    {
        FUNCTION_TYPE_INVALID = CMZN_ELEMENTBASIS_FUNCTION_TYPE_INVALID,
        FUNCTION_TYPE_CONSTANT = CMZN_ELEMENTBASIS_FUNCTION_TYPE_CONSTANT,
        FUNCTION_TYPE_LINEAR_LAGRANGE = CMZN_ELEMENTBASIS_FUNCTION_TYPE_LINEAR_LAGRANGE,
        FUNCTION_TYPE_QUADRATIC_LAGRANGE = CMZN_ELEMENTBASIS_FUNCTION_TYPE_QUADRATIC_LAGRANGE,
        FUNCTION_TYPE_CUBIC_LAGRANGE = CMZN_ELEMENTBASIS_FUNCTION_TYPE_CUBIC_LAGRANGE,
        FUNCTION_TYPE_LINEAR_SIMPLEX = CMZN_ELEMENTBASIS_FUNCTION_TYPE_LINEAR_SIMPLEX,
        FUNCTION_TYPE_QUADRATIC_SIMPLEX = CMZN_ELEMENTBASIS_FUNCTION_TYPE_QUADRATIC_SIMPLEX,
        FUNCTION_TYPE_CUBIC_HERMITE = CMZN_ELEMENTBASIS_FUNCTION_TYPE_CUBIC_HERMITE
    };

    cmzn_elementbasis_id getId() const
    {
        return id;
    }

    int getDimension()
    {
        return cmzn_elementbasis_get_dimension(id);
    }

    enum FunctionType getFunctionType(int chartComponent)
    {
        return static_cast<FunctionType>(cmzn_elementbasis_get_function_type(id, chartComponent));
    }

    int setFunctionType(int chartComponent, FunctionType functionType)
    {
        return cmzn_elementbasis_set_function_type(id, chartComponent,
            static_cast<cmzn_elementbasis_function_type>(functionType));
    }

    int getNumberOfNodes()
    {
        return cmzn_elementbasis_get_number_of_nodes(id);
    }

    int getNumberOfFunctions()
    {
        return cmzn_elementbasis_get_number_of_functions(id);
    }

};

class Fieldmodule;
class Mesh;
class Elementtemplate;

class Element
{
private:

    cmzn_element_id id;

public:

    Element() : id(0)
    { }

    // takes ownership of C handle, responsibility for destroying it
    explicit Element(cmzn_element_id element_id) :
        id(element_id)
    { }

    Element(const Element& element) :
        id(cmzn_element_access(element.id))
    { }

    ~Element()
    {
        if (0 != id)
        {
            cmzn_element_destroy(&id);
        }
    }

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

    enum ChangeFlag
    {
        CHANGE_FLAG_NONE = CMZN_ELEMENT_CHANGE_FLAG_NONE,
        CHANGE_FLAG_ADD = CMZN_ELEMENT_CHANGE_FLAG_ADD,
        CHANGE_FLAG_REMOVE = CMZN_ELEMENT_CHANGE_FLAG_REMOVE,
        CHANGE_FLAG_IDENTIFIER = CMZN_ELEMENT_CHANGE_FLAG_IDENTIFIER,
        CHANGE_FLAG_DEFINITION = CMZN_ELEMENT_CHANGE_FLAG_DEFINITION,
        CHANGE_FLAG_FIELD = CMZN_ELEMENT_CHANGE_FLAG_FIELD
    };
    
    typedef int ChangeFlags;

    enum FaceType
    {
        FACE_TYPE_INVALID = CMZN_ELEMENT_FACE_TYPE_INVALID,
        FACE_TYPE_ALL = CMZN_ELEMENT_FACE_TYPE_ALL,
        FACE_TYPE_XI1_0 = CMZN_ELEMENT_FACE_TYPE_XI1_0,
        FACE_TYPE_XI1_1 = CMZN_ELEMENT_FACE_TYPE_XI1_1,
        FACE_TYPE_XI2_0 = CMZN_ELEMENT_FACE_TYPE_XI2_0,
        FACE_TYPE_XI2_1 = CMZN_ELEMENT_FACE_TYPE_XI2_1,
        FACE_TYPE_XI3_0 = CMZN_ELEMENT_FACE_TYPE_XI3_0,
        FACE_TYPE_XI3_1 = CMZN_ELEMENT_FACE_TYPE_XI3_1
    };

    Element& operator=(const Element& element)
    {
        cmzn_element_id temp_id = cmzn_element_access(element.id);
        if (0 != id)
        {
            cmzn_element_destroy(&id);
        }
        id = temp_id;
        return *this;
    }

    enum ShapeType
    {
        SHAPE_TYPE_INVALID = CMZN_ELEMENT_SHAPE_TYPE_INVALID,
        SHAPE_TYPE_LINE = CMZN_ELEMENT_SHAPE_TYPE_LINE,
        SHAPE_TYPE_SQUARE = CMZN_ELEMENT_SHAPE_TYPE_SQUARE,
        SHAPE_TYPE_TRIANGLE = CMZN_ELEMENT_SHAPE_TYPE_TRIANGLE,
        SHAPE_TYPE_CUBE = CMZN_ELEMENT_SHAPE_TYPE_CUBE,
        SHAPE_TYPE_TETRAHEDRON = CMZN_ELEMENT_SHAPE_TYPE_TETRAHEDRON,
        SHAPE_TYPE_WEDGE12 = CMZN_ELEMENT_SHAPE_TYPE_WEDGE12,
        SHAPE_TYPE_WEDGE13 = CMZN_ELEMENT_SHAPE_TYPE_WEDGE13,
        SHAPE_TYPE_WEDGE23 = CMZN_ELEMENT_SHAPE_TYPE_WEDGE23         
    };

    enum PointSamplingMode
    {
        POINT_SAMPLING_MODE_INVALID = CMZN_ELEMENT_POINT_SAMPLING_MODE_INVALID,
        POINT_SAMPLING_MODE_CELL_CENTRES = CMZN_ELEMENT_POINT_SAMPLING_MODE_CELL_CENTRES,
        POINT_SAMPLING_MODE_CELL_CORNERS = CMZN_ELEMENT_POINT_SAMPLING_MODE_CELL_CORNERS,
        POINT_SAMPLING_MODE_CELL_POISSON = CMZN_ELEMENT_POINT_SAMPLING_MODE_CELL_POISSON,
        POINT_SAMPLING_MODE_SET_LOCATION = CMZN_ELEMENT_POINT_SAMPLING_MODE_SET_LOCATION
    };

    cmzn_element_id getId() const
    {
        return id;
    }

    int getDimension()
    {
        return cmzn_element_get_dimension(id);
    }

    int getIdentifier()
    {
        return cmzn_element_get_identifier(id);
    }

    int setIdentifier(int identifier)
    {
        return cmzn_element_set_identifier(id, identifier);
    }

    inline Mesh getMesh() const;

    enum ShapeType getShapeType()
    {
        return static_cast<ShapeType>(cmzn_element_get_shape_type(id));
    }

    inline int merge(const Elementtemplate& elementTemplate);

};

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

class Elementtemplate
{
private:

    cmzn_elementtemplate_id id;

public:

    Elementtemplate() : id(0)
    { }

    // takes ownership of C handle, responsibility for destroying it
    explicit Elementtemplate(cmzn_elementtemplate_id element_template_id) :
        id(element_template_id)
    { }

    Elementtemplate(const Elementtemplate& elementTemplate) :
        id(cmzn_elementtemplate_access(elementTemplate.id))
    { }

    Elementtemplate& operator=(const Elementtemplate& elementTemplate)
    {
        cmzn_elementtemplate_id temp_id = cmzn_elementtemplate_access(elementTemplate.id);
        if (0 != id)
        {
            cmzn_elementtemplate_destroy(&id);
        }
        id = temp_id;
        return *this;
    }

    ~Elementtemplate()
    {
        if (0 != id)
        {
            cmzn_elementtemplate_destroy(&id);
        }
    }

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

    cmzn_elementtemplate_id getId() const
    {
        return id;
    }

    enum Element::ShapeType getElementShapeType()
    {
        return static_cast<Element::ShapeType>(cmzn_elementtemplate_get_element_shape_type(id));
    }

    int setElementShapeType(enum Element::ShapeType shapeType)
    {
        return cmzn_elementtemplate_set_element_shape_type(id,
            static_cast<cmzn_element_shape_type>(shapeType));
    }

    int getNumberOfNodes()
    {
        return cmzn_elementtemplate_get_number_of_nodes(id);
    }

    int setNumberOfNodes(int numberOfNodes)
    {
        return cmzn_elementtemplate_set_number_of_nodes(id, numberOfNodes);
    }

    int defineFieldSimpleNodal(const Field& field, int componentNumber,
        const Elementbasis& basis, int nodeIndexesCount, const int *nodeIndexesIn)
    {
        return cmzn_elementtemplate_define_field_simple_nodal(
            id, field.getId(),  componentNumber, basis.getId(),
            nodeIndexesCount, nodeIndexesIn);
    }

    Node getNode(int localNodeIndex)
    {
        return Node(cmzn_elementtemplate_get_node(id, localNodeIndex));
    }

    int setNode(int localNodeIndex, const Node& node)
    {
        return cmzn_elementtemplate_set_node(id, localNodeIndex, node.getId());
    }
};

class Elementiterator
{
private:

    cmzn_elementiterator_id id;

public:

    Elementiterator() : id(0)
    { }

    // takes ownership of C handle, responsibility for destroying it
    explicit Elementiterator(cmzn_elementiterator_id element_iterator_id) :
        id(element_iterator_id)
    { }

    Elementiterator(const Elementiterator& elementIterator) :
        id(cmzn_elementiterator_access(elementIterator.id))
    { }

    Elementiterator& operator=(const Elementiterator& elementIterator)
    {
        cmzn_elementiterator_id temp_id = cmzn_elementiterator_access(elementIterator.id);
        if (0 != id)
        {
            cmzn_elementiterator_destroy(&id);
        }
        id = temp_id;
        return *this;
    }

    ~Elementiterator()
    {
        if (0 != id)
        {
            cmzn_elementiterator_destroy(&id);
        }
    }

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

    Element next()
    {
        return Element(cmzn_elementiterator_next(id));
    }
};

class Mesh
{

protected:
    cmzn_mesh_id id;

public:

    Mesh() : id(0)
    { }

    // takes ownership of C handle, responsibility for destroying it
    explicit Mesh(cmzn_mesh_id mesh_id) :   id(mesh_id)
    { }

    Mesh(const Mesh& mesh) :
        id(cmzn_mesh_access(mesh.id))
    { }

    ~Mesh()
    {
        if (0 != id)
        {
            cmzn_mesh_destroy(&id);
        }
    }

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

    Mesh& operator=(const Mesh& mesh)
    {
        cmzn_mesh_id temp_id = cmzn_mesh_access(mesh.id);
        if (0 != id)
        {
            cmzn_mesh_destroy(&id);
        }
        id = temp_id;
        return *this;
    }

    cmzn_mesh_id getId() const
    {
        return id;
    }

    bool containsElement(const Element& element)
    {
        return cmzn_mesh_contains_element(id, element.getId());
    }

    Elementtemplate createElementtemplate()
    {
        return Elementtemplate(cmzn_mesh_create_elementtemplate(id));
    }

    Element createElement(int identifier, const Elementtemplate& elementTemplate)
    {
        return Element(cmzn_mesh_create_element(id, identifier, elementTemplate.getId()));
    }

    Elementiterator createElementiterator()
    {
        return Elementiterator(cmzn_mesh_create_elementiterator(id));
    }

    int defineElement(int identifier, const Elementtemplate& elementTemplate)
    {
        return cmzn_mesh_define_element(id, identifier, elementTemplate.getId());
    }

    int destroyAllElements()
    {
        return cmzn_mesh_destroy_all_elements(id);
    }

    int destroyElement(const Element& element)
    {
         return cmzn_mesh_destroy_element(id, element.getId());
    }

    int destroyElementsConditional(const Field& conditionalField)
    {
        return cmzn_mesh_destroy_elements_conditional(id,
            conditionalField.getId());
    }

    Element findElementByIdentifier(int identifier)
    {
        return Element(cmzn_mesh_find_element_by_identifier(id, identifier));
    }

    Differentialoperator getChartDifferentialoperator(int order, int term)
    {
        return Differentialoperator(cmzn_mesh_get_chart_differentialoperator(
            id, order, term));
    }

    int getDimension()
    {
        return cmzn_mesh_get_dimension(id);
    }

    inline Fieldmodule getFieldmodule() const;

    Mesh getMasterMesh()
    {
        return Mesh(cmzn_mesh_get_master_mesh(id));
    }

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

    int getSize()
    {
        return cmzn_mesh_get_size(id);
    }

};

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

inline Mesh Element::getMesh() const
{
    return Mesh(cmzn_element_get_mesh(id));
}

class MeshGroup : public Mesh
{

public:

    // takes ownership of C handle, responsibility for destroying it
    explicit MeshGroup(cmzn_mesh_group_id mesh_id) : Mesh(reinterpret_cast<cmzn_mesh_id>(mesh_id))
    { }

    cmzn_mesh_group_id getId() const
    {
        return (cmzn_mesh_group_id)(id);
    }

    int addElement(const Element& element)
    {
        return cmzn_mesh_group_add_element(
            reinterpret_cast<cmzn_mesh_group_id>(id), element.getId());
    }

    int removeAllElements()
    {
        return cmzn_mesh_group_remove_all_elements(reinterpret_cast<cmzn_mesh_group_id>(id));
    }

    int removeElement(const Element& element)
    {
        return cmzn_mesh_group_remove_element(reinterpret_cast<cmzn_mesh_group_id>(id),
            element.getId());
    }

    int removeElementsConditional(const Field& conditionalField)
    {
        return cmzn_mesh_group_remove_elements_conditional(
            reinterpret_cast<cmzn_mesh_group_id>(id), conditionalField.getId());
    }

};

class Meshchanges
{
private:

    cmzn_meshchanges_id id;

public:

    Meshchanges() : id(0)
    { }

    // takes ownership of C handle, responsibility for destroying it
    explicit Meshchanges(cmzn_meshchanges_id meshchanges_id) :
        id(meshchanges_id)
    { }

    Meshchanges(const Meshchanges& meshchanges) :
        id(cmzn_meshchanges_access(meshchanges.id))
    { }

    Meshchanges& operator=(const Meshchanges& meshchanges)
    {
        cmzn_meshchanges_id temp_id = cmzn_meshchanges_access(meshchanges.id);
        if (0 != id)
            cmzn_meshchanges_destroy(&id);
        id = temp_id;
        return *this;
    }

    ~Meshchanges()
    {
        if (0 != id)
            cmzn_meshchanges_destroy(&id);
    }

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

    Element::ChangeFlags getElementChangeFlags(const Element& element)
    {
        return cmzn_meshchanges_get_element_change_flags(id, element.getId());
    }

    int getNumberOfChanges()
    {
        return cmzn_meshchanges_get_number_of_changes(id);
    }

    Element::ChangeFlags getSummaryElementChangeFlags()
    {
        return cmzn_meshchanges_get_summary_element_change_flags(id);
    }
};

inline int Element::merge(const Elementtemplate& elementTemplate)
{
    return cmzn_element_merge(id, elementTemplate.getId());
}

}  // namespace Zinc
}

#endif /* CMZN_ELEMENT_HPP__ */