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  //
  //                          License Agreement
  //                For Open Source Computer Vision Library
  //
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  //M*/
  
  #ifndef __OPENCV_HIGHGUI_HPP__
  #define __OPENCV_HIGHGUI_HPP__
  
  #include "XMOpenCV2/core/core.hpp"
  #include "XMOpenCV2/highgui/highgui_c.h"
  
  #ifdef __cplusplus
  
  struct CvCapture;
  struct CvVideoWriter;
  
  namespace cv
  {
  
  enum { 
      // Flags for namedWindow
      WINDOW_NORMAL   = CV_WINDOW_NORMAL,   // the user can resize the window (no constraint) / also use to switch a fullscreen window to a normal size
      WINDOW_AUTOSIZE = CV_WINDOW_AUTOSIZE, // the user cannot resize the window, the size is constrainted by the image displayed
      WINDOW_OPENGL   = CV_WINDOW_OPENGL,   // window with opengl support
  
      // Flags for set / getWindowProperty
      WND_PROP_FULLSCREEN   = CV_WND_PROP_FULLSCREEN,  // fullscreen property
      WND_PROP_AUTOSIZE     = CV_WND_PROP_AUTOSIZE,    // autosize property
      WND_PROP_ASPECT_RATIO = CV_WND_PROP_ASPECTRATIO, // window's aspect ration
      WND_PROP_OPENGL       = CV_WND_PROP_OPENGL       // opengl support
  };
  
  CV_EXPORTS_W void namedWindow(const string& winname, int flags = WINDOW_AUTOSIZE);
  CV_EXPORTS_W void destroyWindow(const string& winname);
  CV_EXPORTS_W void destroyAllWindows();
  CV_EXPORTS_W int startWindowThread();
  
  CV_EXPORTS_W int waitKey(int delay = 0);
  
  CV_EXPORTS_W void imshow(const string& winname, InputArray mat);
  
  CV_EXPORTS_W void resizeWindow(const string& winname, int width, int height);
  CV_EXPORTS_W void moveWindow(const string& winname, int x, int y);
  
  CV_EXPORTS_W void setWindowProperty(const string& winname, int prop_id, double prop_value);//YV
  CV_EXPORTS_W double getWindowProperty(const string& winname, int prop_id);//YV
  
  enum
  {
      EVENT_MOUSEMOVE      =0,
      EVENT_LBUTTONDOWN    =1,
      EVENT_RBUTTONDOWN    =2,
      EVENT_MBUTTONDOWN    =3,
      EVENT_LBUTTONUP      =4,
      EVENT_RBUTTONUP      =5,
      EVENT_MBUTTONUP      =6,
      EVENT_LBUTTONDBLCLK  =7,
      EVENT_RBUTTONDBLCLK  =8,
      EVENT_MBUTTONDBLCLK  =9
  };
  
  enum
  {
      EVENT_FLAG_LBUTTON   =1,
      EVENT_FLAG_RBUTTON   =2,
      EVENT_FLAG_MBUTTON   =4,
      EVENT_FLAG_CTRLKEY   =8,
      EVENT_FLAG_SHIFTKEY  =16,
      EVENT_FLAG_ALTKEY    =32
  };
          
  typedef void (*MouseCallback)(int event, int x, int y, int flags, void* userdata);
  
  //! assigns callback for mouse events
  CV_EXPORTS void setMouseCallback(const string& winname, MouseCallback onMouse, void* userdata = 0);
  
  
  typedef void (CV_CDECL *TrackbarCallback)(int pos, void* userdata);
  
  CV_EXPORTS int createTrackbar(const string& trackbarname, const string& winname,
                                int* value, int count,
                                TrackbarCallback onChange = 0,
                                void* userdata = 0);
  
  CV_EXPORTS_W int getTrackbarPos(const string& trackbarname, const string& winname);
  CV_EXPORTS_W void setTrackbarPos(const string& trackbarname, const string& winname, int pos);
  
  // OpenGL support
  
  typedef void (*OpenGlDrawCallback)(void* userdata);
  CV_EXPORTS void setOpenGlDrawCallback(const string& winname, OpenGlDrawCallback onOpenGlDraw, void* userdata = 0);
  
  CV_EXPORTS void setOpenGlContext(const string& winname);
  
  CV_EXPORTS void updateWindow(const string& winname);
  
  CV_EXPORTS void pointCloudShow(const string& winname, const GlCamera& camera, const GlArrays& arr);
  CV_EXPORTS void pointCloudShow(const string& winname, const GlCamera& camera, InputArray points, InputArray colors = noArray());
  
  //Only for Qt
  
  CV_EXPORTS CvFont fontQt(const string& nameFont, int pointSize=-1,
                           Scalar color=Scalar::all(0), int weight=CV_FONT_NORMAL,
                           int style=CV_STYLE_NORMAL, int spacing=0);
  CV_EXPORTS void addText( const Mat& img, const string& text, Point org, CvFont font);
  
  CV_EXPORTS void displayOverlay(const string& winname, const string& text, int delayms);
  CV_EXPORTS void displayStatusBar(const string& winname, const string& text, int delayms);
  
  CV_EXPORTS void saveWindowParameters(const string& windowName);
  CV_EXPORTS void loadWindowParameters(const string& windowName);
  CV_EXPORTS  int startLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* argv[]);
  CV_EXPORTS  void stopLoop();
  
  typedef void (CV_CDECL *ButtonCallback)(int state, void* userdata);
  CV_EXPORTS int createButton( const string& bar_name, ButtonCallback on_change,
                               void* userdata=NULL, int type=CV_PUSH_BUTTON,
                               bool initial_button_state=0);
  //-------------------------
  
  enum
  {
      // 8bit, color or not
      IMREAD_UNCHANGED  =-1,
      // 8bit, gray
      IMREAD_GRAYSCALE  =0,
      // ?, color
      IMREAD_COLOR      =1,
      // any depth, ?
      IMREAD_ANYDEPTH   =2,
      // ?, any color
      IMREAD_ANYCOLOR   =4
  };
      
  enum
  {
      IMWRITE_JPEG_QUALITY =1,
      IMWRITE_PNG_COMPRESSION =16,
      IMWRITE_PNG_STRATEGY =17,
      IMWRITE_PNG_STRATEGY_DEFAULT =0,
      IMWRITE_PNG_STRATEGY_FILTERED =1,
      IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY =2,
      IMWRITE_PNG_STRATEGY_RLE =3,
      IMWRITE_PNG_STRATEGY_FIXED =4,
      IMWRITE_PXM_BINARY =32
  };
      
  CV_EXPORTS_W Mat imread( const string& filename, int flags=1 );
  CV_EXPORTS_W bool imwrite( const string& filename, InputArray img,
                const vector<int>& params=vector<int>());
  CV_EXPORTS_W Mat imdecode( InputArray buf, int flags );
  CV_EXPORTS_W bool imencode( const string& ext, InputArray img,
                              CV_OUT vector<uchar>& buf,
                              const vector<int>& params=vector<int>());
  
  #ifndef CV_NO_VIDEO_CAPTURE_CPP_API
  
  template<> void CV_EXPORTS Ptr<CvCapture>::delete_obj();
  template<> void CV_EXPORTS Ptr<CvVideoWriter>::delete_obj();
  
  class CV_EXPORTS_W VideoCapture
  {
  public:
      CV_WRAP VideoCapture();
      CV_WRAP VideoCapture(const string& filename);
      CV_WRAP VideoCapture(int device);
      
      virtual ~VideoCapture();
      CV_WRAP virtual bool open(const string& filename);
      CV_WRAP virtual bool open(int device);
      CV_WRAP virtual bool isOpened() const;
      CV_WRAP virtual void release();
      
      CV_WRAP virtual bool grab();
      CV_WRAP virtual bool retrieve(CV_OUT Mat& image, int channel=0);
      virtual VideoCapture& operator >> (CV_OUT Mat& image);
      CV_WRAP virtual bool read(CV_OUT Mat& image);
      
      CV_WRAP virtual bool set(int propId, double value);
      CV_WRAP virtual double get(int propId);
      
  protected:
      Ptr<CvCapture> cap;
  };
  
      
  class CV_EXPORTS_W VideoWriter
  {
  public:    
      CV_WRAP VideoWriter();
      CV_WRAP VideoWriter(const string& filename, int fourcc, double fps,
                  Size frameSize, bool isColor=true);
      
      virtual ~VideoWriter();
      CV_WRAP virtual bool open(const string& filename, int fourcc, double fps,
                        Size frameSize, bool isColor=true);
      CV_WRAP virtual bool isOpened() const;
      virtual VideoWriter& operator << (const Mat& image);
      CV_WRAP virtual void write(const Mat& image);
      
  protected:
      Ptr<CvVideoWriter> writer;
  };
  
  #endif
  
  }
  
  #endif
  
  #endif
  