ThreeToTwoDimCalc.h

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/* ========================================================================
 * Copyright (c) 2006,
 * Institute for Computer Graphics and Vision
 * Graz University of Technology
 * All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * this list of conditions and the following disclaimer.
 *
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 * ========================================================================
 * PROJECT: OpenTracker
 * ======================================================================== */
#ifndef _THREETOTWODIMCALC_H
#define _THREETOTWODIMCALC_H
#include <OpenTracker/dllinclude.h>
#if USE_THREETOTWODIMFILTER

#include <OpenTracker/otqt/OTQtMath.h>
#include <OpenTracker/otqt/OTQtLog.h>
#include <OpenTracker/core/ConfigNode.h>
#include <OpenTracker/core/Event.h>
//#include <QtCore/qpoint.h>
#include <string>


//--------------------------------------------------------------------------------
namespace ot {

class OPENTRACKER_API ThreeToTwoDimCalc {
public:
  typedef struct {
    Event local_cs_root;
    Event corner;
  } ASCorner;
  typedef struct {
    Event as_cs_root;
    ASCorner top_left;
    ASCorner top_right;
    ASCorner bottom_right;
    ASCorner bottom_left;
  } CalibInputData;
  class CalibOutputData
  {
  public:
      CalibOutputData()
          : as_cs_orient(4),
            as_cs_root_to_screen_root(3),
            as_width_vec(3),
            as_height_vec(3)
      {
          //OTQT_DEBUG("CalibOutputData(): as_cs_orient.size () = %i\n", as_cs_orient.size());
      };
      ~CalibOutputData()
      {};
  public:
    std::vector<float> as_cs_orient;
    std::vector<float> as_cs_root_to_screen_root;
    std::vector<float> as_width_vec;
    std::vector<float> as_height_vec;
  };

  enum MPDLocationState {
    MPD_LOC_UNKNOWN = 0x00,
    MPD_LOC_INSIDE_SC = 0x01,
    MPD_LOC_OUTSIDE_SC = 0x02,
  };

private:
  class ASData
  {
  public:
      ASData()
          : as_cs_root(),
            as_screen_root(),
            as_width_vec(3),
            as_height_vec(3),
            as_depth_scalar_front(0),
            as_depth_scalar_back(0)
      {};
      ~ASData()
      {};
  public:
    Event as_cs_root;
    Event as_screen_root;
    std::vector<float> as_width_vec;
    std::vector<float> as_height_vec;
    float as_depth_scalar_front;
    float as_depth_scalar_back;
  };
  typedef struct {
          float x;
          float y;
  } Point;

  typedef struct {
    Event position;
    bool mpd_loc_inside_screen_cuboid;
    Point desktop_coords;
  } MPData;

public:
  static void convert(CalibInputData const & in, CalibOutputData & out);
        static void convert(CalibOutputData const & out, StringTable & table);

public:
        ThreeToTwoDimCalc();
        ~ThreeToTwoDimCalc() { };

private:

public: // methods
  void updateASPD(Event const & as_cs_root);
  void updateMPD(Event const & mpd_pos);
  MPDLocationState getMPDLocation() const;
  inline bool isMPDInsideScreenCuboid() const { return mp_data_.mpd_loc_inside_screen_cuboid; };
  inline Point getMPD2DCoords() const { return mp_data_.desktop_coords; };
  inline Event getMPD3DPosition() const { return mp_data_.position; };

  void initCalibrationData(std::vector<float> aSWidthVec_, std::vector<float> aSHeightVec_, 
          std::vector<float> cSOrientationQuat_, std::vector<float> cSRoot2ScreenRootVec_,  
          float trackingSystemScaleOneMeter_, float screenDepthFrontInMeter_, 
          float screenDepthBackInMeter_, float screenResWidth_, float screenResHeight_);


private: // members
  CalibOutputData calib_out_;
  ASData as_data_init_;
  ASData as_data_;
  MPData mp_data_;

  float screenResWidth, screenResHeight;
};

} // namespace ot

#endif // USE_THREETOTWODIMFILTER

#endif // _THREETOTWODIMCALC_H


/*
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 *   End of ThreeToTwoDimCalc.h
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