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EyeDlg.cpp
Package: MoLecture.rar　[view]
Upload User: qinfarui
Upload Date: 2022-08-10
Package Size: 362k
Code Size: 3k
Category:

GIS program

Development Platform:

Visual C++

EyeDlg.cpp：Code Content
  1. // EyeDlg.cpp : implementation file
  2. //
  4. #include "stdafx.h"
  5. #include "MoLecture.h"
  6. #include "EyeDlg.h"
  7. #include "MoLectureView.h"
  9. #ifdef _DEBUG
  10. #define new DEBUG_NEW
  11. #undef THIS_FILE
  12. static char THIS_FILE[] = __FILE__;
  13. #endif
  15. /////////////////////////////////////////////////////////////////////////////
  16. // CEyeDlg dialog
  19. CEyeDlg::CEyeDlg(CWnd* pParent /*=NULL*/)
  20. : CDialog(CEyeDlg::IDD, pParent)
  21. {
  22. //{{AFX_DATA_INIT(CEyeDlg)
  23. // NOTE: the ClassWizard will add member initialization here
  24. //}}AFX_DATA_INIT
  25. }
  28. void CEyeDlg::DoDataExchange(CDataExchange* pDX)
  29. {
  30. CDialog::DoDataExchange(pDX);
  31. //{{AFX_DATA_MAP(CEyeDlg)
  32. DDX_Control(pDX, IDC_MAP1, m_EyeMap);
  33. //}}AFX_DATA_MAP
  34. }
  37. BEGIN_MESSAGE_MAP(CEyeDlg, CDialog)
  38. //{{AFX_MSG_MAP(CEyeDlg)
  39. // NOTE: the ClassWizard will add message map macros here
  40. //}}AFX_MSG_MAP
  41. END_MESSAGE_MAP()
  43. /////////////////////////////////////////////////////////////////////////////
  44. // CEyeDlg message handlers
  46. BEGIN_EVENTSINK_MAP(CEyeDlg, CDialog)
  47.     //{{AFX_EVENTSINK_MAP(CEyeDlg)
  48. ON_EVENT(CEyeDlg, IDC_MAP1, 5 /* BeforeTrackingLayerDraw */, OnBeforeTrackingLayerDrawMap1, VTS_I4)
  49. ON_EVENT(CEyeDlg, IDC_MAP1, -605 /* MouseDown */, OnMouseDownMap1, VTS_I2 VTS_I2 VTS_I4 VTS_I4)
  50. //}}AFX_EVENTSINK_MAP
  51. END_EVENTSINK_MAP()
  53. //画矩形范围框
  54. void CEyeDlg::OnBeforeTrackingLayerDrawMap1(long hDC) 
  55. {
  56. // TODO: Add your control notification handler code here
  57. CFrameWnd *pFrame=(CFrameWnd *)(AfxGetApp()->m_pMainWnd);
  58. CMoLectureView *view=(CMoLectureView *)pFrame->GetActiveView();
  60. CMoRectangle mExtent =view->m_Map.GetExtent();
  61. CMoSymbol lSym;
  62. if (!lSym.CreateDispatch("MapObjects2.Symbol"))
  63. return;
  64. lSym.SetColor(moRed);
  65. lSym.SetSymbolType(moLineSymbol);
  66. lSym.SetSize(3);
  68. CMoPoint p;
  69. if (!p.CreateDispatch("MapObjects2.Point"))
  70. return;
  71. CMoPoints pts;
  72. if (!pts.CreateDispatch("MapObjects2.Points"))
  73. return;
  74. CMoLine l;
  75. if (!l.CreateDispatch("MapObjects2.Line"))
  76. return;
  78. p.SetX(mExtent.GetLeft());
  79. p.SetY(mExtent.GetBottom());
  80. pts.Add(p);
  82. p.SetX(mExtent.GetLeft());
  83. p.SetY(mExtent.GetTop());
  84. pts.Add(p);
  86.   p.SetX(mExtent.GetRight());
  87. p.SetY(mExtent.GetTop());
  88. pts.Add(p);
  90.   p.SetX(mExtent.GetRight());
  91. p.SetY(mExtent.GetBottom());
  92. pts.Add(p);
  94.    p.SetX(mExtent.GetLeft());
  95. p.SetY(mExtent.GetBottom());
  96. pts.Add(p);
  98. l.GetParts().Add(pts);
  100. m_EyeMap.DrawShape(l,lSym);
  101. }
  103. //鹰眼视图控制主视图
  104. void CEyeDlg::OnMouseDownMap1(short Button, short Shift, long X, long Y) 
  105. {
  106. // TODO: Add your control notification handler code here
  107. CFrameWnd *pFrame=(CFrameWnd *)(AfxGetApp()->m_pMainWnd);
  108. CMoLectureView *view=(CMoLectureView *)pFrame->GetActiveView();
  110. //得到主视图显示范围
  111. CMoRectangle mExtent =view->m_Map.GetExtent();
  112.     //得到鹰眼视图当前点坐标
  113. CMoPoint pt = ToMapPoint(m_EyeMap,X,Y);
  114. CMoPoint c = mExtent.GetCenter();
  115. //将范围偏移
  116. mExtent.Offset(pt.GetX() - c.GetX(), pt.GetY() - c.GetY());
  117. //通知主视图范围变了
  118. view->m_Map.SetExtent(mExtent);
  119. //重新绘制鹰眼视图
  120. m_EyeMap.Refresh();
  121. }