#pragma once

#include "/EgtDev/Include/EGkPoint3d.h"
#include <windows.h>
#include <string>

class IEGrScene ;

//----------------------------------------------------------------------------
class TestEGrView : public CWnd
{
   public :
      TestEGrView( void) ;
      ~TestEGrView( void) ;
      bool Create( CWnd* pParent, int nID) ;
      bool StartScene( int nDriver, bool b2Buff, int nColorBits, int nDepthBits) ;
      IEGrScene* GetScene( void)
                    { return m_pScene ; }
      bool GetSceneInfo( std::string& sInfo) ;
      void Destroy( void) ;
      bool Resize( int nX, int nY, int nW, int nH) ;
      void Redraw( void) ;
      void ShowMode( UINT nID) ;
      void ShowCurveDir( bool bShow) ;
      void Zoom( UINT nID) ;
      void View( UINT nID) ;
      void SetAnalyze( void) ;
      void SetGetDistance( void) ;

   protected :
      afx_msg void OnPaint( void) ;
      afx_msg BOOL OnEraseBkgnd( CDC* pDC) 
                      { return TRUE ; }
      afx_msg void OnLButtonDown( UINT nFlags, CPoint point) ;
      afx_msg void OnLButtonUp( UINT nFlags, CPoint point) ;
      afx_msg void OnRButtonUp( UINT nFlags, CPoint point) ;
      afx_msg void OnSelSnapPoint( UINT nID) ;
      afx_msg void OnMButtonDown( UINT nFlags, CPoint point) ;
      afx_msg void OnMButtonUp( UINT nFlags, CPoint point) ;
      afx_msg void OnMouseMove( UINT nFlags, CPoint point) ;
      afx_msg BOOL OnMouseWheel( UINT nFlags, short zDelta, CPoint point) ;
      virtual BOOL OnGesturePan( CPoint ptFRom, CPoint ptTO) ;
      virtual BOOL OnGestureRotate( CPoint ptCenter, double dblAngle) ;
      virtual BOOL OnGesturePressAndTap( CPoint ptPress, long lDelta) ;

   private :
      HDC GetSafeHdc( void) 
             { return ( ( m_pDC != nullptr) ? m_pDC->GetSafeHdc() : nullptr) ; }
      void ShowCursorCoordinates( const Point3d& ptWin) ;

   private :
      enum Status { ST_NULL = 0, ST_PAN, ST_ROT, ST_ZOOMWIN, ST_ANALYZE, ST_GETDIST, ST_GETDIST2} ;

   private :
      CClientDC*  m_pDC ;
      IEGrScene*  m_pScene ;
      Status      m_nStatus ;
      Status      m_nOldStatus ;
      CPoint      m_PrevPoint ;
      Point3d     m_ptPrev ;
      int         m_nSnapPoint ;

   DECLARE_MESSAGE_MAP()
} ;