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Spinner.cpp
Package: VC++practise.rar　[view]
Upload User: z_mail1980
Upload Date: 2007-06-01
Package Size: 647k
Code Size: 2k
Category:

SNMP

Development Platform:

Visual C++

Spinner.cpp：Code Content
  1. // Spinner.cpp: implementation of the CSpinner class.
  2. //
  3. //////////////////////////////////////////////////////////////////////
  5. #include "stdafx.h"
  6. #include <math.h>
  7. #include "Tasking.h"
  8. #include "Spinner.h"
  10. #ifdef _DEBUG
  11. #undef THIS_FILE
  12. static char THIS_FILE[]=__FILE__;
  13. #define new DEBUG_NEW
  14. #endif
  16.  
  17. COLORREF CSpinner::m_crColors[8]={
  18. RGB(0,0,0),
  19. RGB(0,0,255),
  20. RGB(0,255,0),
  21. RGB(0,255,255),
  22. RGB(255,0,0),
  23. RGB(255,0,255),
  24. RGB(0,0,0),
  25. RGB(255,255,255),
  26. };
  27. //////////////////////////////////////////////////////////////////////
  28. // Construction/Destruction
  29. //////////////////////////////////////////////////////////////////////
  31. CSpinner::CSpinner()
  32. {
  33. m_iRadius=0;
  34. m_nMinute=0;
  35. m_crColor=0;
  36. m_pViewWnd=NULL;
  37. m_bContinue=NULL;
  38. }
  40. CSpinner::~CSpinner()
  41. {
  43. }
  45. void CSpinner::Draw()
  46. {
  47. CDC *pDC=m_pViewWnd->GetDC();
  48. pDC->SetMapMode(MM_LOENGLISH);
  49. CPoint org=m_pCenter;
  50. CPoint pStartPoint;
  51. pStartPoint.x=(m_iRadius/2);
  52. pStartPoint.y=(m_iRadius/2);
  53. org.x=m_pCenter.x+(m_iRadius/2);
  54. org.y=m_pCenter.y+m_iRadius;
  55. pDC->SetViewportOrg(org.x,org.y);
  56. CPoint pEndPoint;
  57. double nRadians=(double)(m_nMinute*6)*0.017453292;
  58. pEndPoint.x=(int)(m_iRadius*sin(nRadians));
  59. pEndPoint.y=(int)(m_iRadius*cos(nRadians));
  60. CPen pen(PS_SOLID,0,m_crColors[m_crColor]);
  61. CPen *pOldPen=pDC->SelectObject(&pen);
  62. pDC->MoveTo(pEndPoint);
  63. pDC->LineTo(pStartPoint);
  64. pDC->SelectObject(&pOldPen);
  65. m_pViewWnd->ReleaseDC(pDC);
  66. if(++m_nMinute==60){
  67. m_nMinute=0;
  68. if(++m_crColor==8){
  69. m_crColor=0;
  70. }
  71. }
  72. }