scenepicker.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_SCENEPICKER_HPP__
#define CMZN_SCENEPICKER_HPP__

#include "opencmiss/zinc/scenepicker.h"
#include "opencmiss/zinc/element.hpp"
#include "opencmiss/zinc/fieldgroup.hpp"
#include "opencmiss/zinc/graphics.hpp"
#include "opencmiss/zinc/node.hpp"
#include "opencmiss/zinc/scene.hpp"
#include "opencmiss/zinc/scenefilter.hpp"
#include "opencmiss/zinc/sceneviewer.hpp"

namespace OpenCMISS
{
namespace Zinc
{

class Scenepicker
{
protected:
    cmzn_scenepicker_id id;

public:

    Scenepicker() : id(0)
    {  }

    // takes ownership of C handle, responsibility for destroying it
    explicit Scenepicker(cmzn_scenepicker_id in_scenepicker_id) :
        id(in_scenepicker_id)
    {  }

    Scenepicker(const Scenepicker& scenepicker) :
        id(cmzn_scenepicker_access(scenepicker.id))
    {  }

    Scenepicker& operator=(const Scenepicker& scenepicker)
    {
        cmzn_scenepicker_id temp_id = cmzn_scenepicker_access(scenepicker.id);
        if (0 != id)
        {
            cmzn_scenepicker_destroy(&id);
        }
        id = temp_id;
        return *this;
    }

    ~Scenepicker()
    {
        if (0 != id)
        {
            cmzn_scenepicker_destroy(&id);
        }
    }

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

    cmzn_scenepicker_id getId() const
    {
        return id;
    }

    int setSceneviewerRectangle(const Sceneviewer& sceneviewer, Scenecoordinatesystem scenecoordinatesystem, double x1,
        double y1, double x2, double y2)
    {
        return cmzn_scenepicker_set_sceneviewer_rectangle(
            id , sceneviewer.getId(),
            static_cast<cmzn_scenecoordinatesystem>(scenecoordinatesystem),
            x1, y1, x2, y2);
    }

    Element getNearestElement()
    {
        return Element(cmzn_scenepicker_get_nearest_element(id));
    }

    Node getNearestNode()
    {
        return Node(cmzn_scenepicker_get_nearest_node(id));
    }

    Graphics getNearestElementGraphics()
    {
        return Graphics(cmzn_scenepicker_get_nearest_element_graphics(id));
    }

    Graphics getNearestNodeGraphics()
    {
        return Graphics(cmzn_scenepicker_get_nearest_node_graphics(id));
    }

    Graphics getNearestGraphics()
    {
        return Graphics(cmzn_scenepicker_get_nearest_graphics(id));
    }

    int addPickedElementsToFieldGroup(const FieldGroup& fieldGroup)
    {
        return cmzn_scenepicker_add_picked_elements_to_field_group(id,
            (reinterpret_cast<cmzn_field_group_id>(fieldGroup.getId())));
    }

    int addPickedNodesToFieldGroup(const FieldGroup& fieldGroup)
    {
        return cmzn_scenepicker_add_picked_nodes_to_field_group(id,
            (reinterpret_cast<cmzn_field_group_id>(fieldGroup.getId())));
    }

    Scene getScene()
    {
        return Scene(cmzn_scenepicker_get_scene(id));
    }

    int setScene(const Scene& scene)
    {
        return cmzn_scenepicker_set_scene(id, scene.getId());
    }

    Scenefilter getScenefilter()
    {
        return Scenefilter(cmzn_scenepicker_get_scenefilter(id));
    }

    int setScenefilter(const Scenefilter& filter)
    {
        return cmzn_scenepicker_set_scenefilter(id, filter.getId());
    }

    int getPickingVolumeCentre(double *coordinateValuesOut3)
    {
        return cmzn_scenepicker_get_picking_volume_centre(id, coordinateValuesOut3);
    }

};

inline Scenepicker Scene::createScenepicker()
{
    return Scenepicker(cmzn_scene_create_scenepicker(id));
}

}  // namespace Zinc
}

#endif