view.h

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#ifndef COB_3D_MAPPING_TOOLS_GUI_VIEW_H_
#define COB_3D_MAPPING_TOOLS_GUI_VIEW_H_

#include <string>
#include <iostream>
#include <boost/shared_ptr.hpp>
#include <boost/make_shared.hpp>
#include <boost/signals.hpp>

#include <wx/wx.h>
#include <wx/rawbmp.h>

#include "cob_3d_mapping_tools/gui/tools.h"

namespace Gui
{

  // forward declaration:
  class ResourceBase;
  template<typename RT> class Resource;

  class ViewBase
  {
  public:
    virtual void show()=0;
    virtual void onDataChanged()=0;

    ResourceBase* r_base_ptr;

  protected:
    ViewBase(const std::string& name) : name_(name) { }
    ~ViewBase();

    std::string name_;
    friend class WindowManager;
  };



  template<typename RT, typename VT>
  class View : public ViewBase
  {
  public:
    View(const std::string& name, Resource<RT>* r) : ViewBase(name), r_ptr(r) { this->r_base_ptr = r; }

    void show() { reloadData(RT(),VT()); show(VT()); }
    void onDataChanged() { reloadData(RT(),VT()); refresh(VT()); }
    boost::signals::connection registerMouseCallback(boost::function<void (wxMouseEvent&, Resource<RT>*)>);
    boost::signals::connection registerKeyCallback(boost::function<void (wxKeyEvent&, Resource<RT>*)>);

  protected:
    ~View() { std::cout << "View destroyed" << std::endl; }

    void show(ViewTypes::View2D);
    void refresh(ViewTypes::View2D);

    void reloadData(ResourceTypes::Image, ViewTypes::Color);
    template<typename PT> void reloadData(ResourceTypes::OrganizedPointCloud<PT>, ViewTypes::Color);
    template<typename PT> void reloadData(ResourceTypes::OrganizedPointCloud<PT>, ViewTypes::Depth_Z);
    template<typename PT, size_t Channel> void reloadData(ResourceTypes::OrganizedPointCloud<PT>, ViewTypes::Normal<Channel>);

    Resource<RT>* r_ptr;
    boost::signal<void (wxMouseEvent&, Resource<RT>*)> mouse_sig_;
    boost::signal<void (wxKeyEvent&, Resource<RT>*)> key_sig_;

    friend class WindowManager;
  };



  template<typename RT, typename VT>
  class ImageView : public View<RT,VT> , public wxPanel
  {
  public:
    ImageView(const std::string& name, Resource<RT>* r) : View<RT,VT>(name,r) { }
    ~ImageView() { }
    void render();

    wxBitmapPtr bmp_;

  private:
    void render(wxDC& dc);
    void paintEvent(wxPaintEvent& event);
    void mouseEvent(wxMouseEvent& event);
    void keyEvent(wxKeyEvent& event);

    friend class WindowManager;
    DECLARE_EVENT_TABLE()
  };



  template<typename RT, typename VT>
  class TextView : public View<RT,VT>
  {
  public:
    TextView(const std::string& name, Resource<RT>* r) : View<RT,VT>(name,r) { }
    ~TextView() { }

    friend class WindowManager;
  };

}

#endif