vtkSimpleMesh/include/vtkSimpleMesh/SRenderer.hpp

/* ***** BEGIN LICENSE BLOCK *****
 * FW4SPL - Copyright (C) IRCAD, 2009-2017.
 * Distributed under the terms of the GNU Lesser General Public License (LGPL) as
 * published by the Free Software Foundation.
 * ****** END LICENSE BLOCK ****** */

#ifndef __VTKSIMPLEMESH_SRENDERER_HPP__
#define __VTKSIMPLEMESH_SRENDERER_HPP__

#include "vtkSimpleMesh/config.hpp"

#include <fwRender/IRender.hpp>

#include <fwRenderVTK/IVtkRenderWindowInteractorManager.hpp>

#include <boost/shared_array.hpp>

#include <vtkCommand.h>
#include <vtkSmartPointer.h>

// VTK
class vtkRenderer;
class vtkPolyData;
class vtkPolyDataMapper;

namespace vtkSimpleMesh
{

class VTKSIMPLEMESH_CLASS_API SRenderer : public fwRender::IRender
{
public:

    fwCoreServiceClassDefinitionsMacro( (SRenderer)(::fwRender::IRender) );

    typedef ::boost::shared_array< double > SharedArray;

    VTKSIMPLEMESH_API static const ::fwCom::Slots::SlotKeyType s_UPDATE_CAM_POSITION_SLOT;
    VTKSIMPLEMESH_API static const ::fwCom::Slots::SlotKeyType s_INIT_PIPELINE_SLOT;
    VTKSIMPLEMESH_API static const ::fwCom::Slots::SlotKeyType s_UPDATE_PIPELINE_SLOT;

    VTKSIMPLEMESH_API static const ::fwCom::Signals::SignalKeyType s_CAM_UPDATED_SIG;
    typedef ::fwCom::Signal< void (SharedArray, SharedArray, SharedArray) > CamUpdatedSignalType;

    VTKSIMPLEMESH_API SRenderer() noexcept;

    VTKSIMPLEMESH_API virtual ~SRenderer() noexcept;

    void notifyCamPositionUpdated();

    VTKSIMPLEMESH_API virtual KeyConnectionsMap getAutoConnections() const override;

protected:

    VTKSIMPLEMESH_API virtual void starting() override;

    VTKSIMPLEMESH_API virtual void configuring() override;

    VTKSIMPLEMESH_API virtual void stopping() override;

    VTKSIMPLEMESH_API virtual void updating() override;

    vtkRenderer* m_render;

private:

    ::fwRenderVTK::IVtkRenderWindowInteractorManager::sptr m_interactorManager;

    void initVTKPipeline();

    void updateVTKPipeline(bool resetCamera = true);

    void updateCamPosition(SharedArray positionValue,
                           SharedArray focalValue,
                           SharedArray viewUpValue);

    void initPipeline();

    void updatePipeline();

    bool m_bPipelineIsInit;

    vtkCommand* m_loc;

    CamUpdatedSignalType::sptr m_sigCamUpdated;

    vtkSmartPointer<vtkPolyData> m_vtkPolyData;

    vtkSmartPointer<vtkPolyDataMapper> m_mapper;

    ::fwCore::HiResTimer m_hiResTimer;
};

}

#endif /* __VTKSIMPLEMESH_SRENDERER_HPP__ */