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MyDraw.h
Package: MiniCAD_ALL.zip　[view]
Upload User: netltd
Upload Date: 2013-02-12
Package Size: 7234k
Code Size: 2k
Category:

Graph Drawing

Development Platform:

Visual C++

MyDraw.h：Code Content
  1. //绘制直线、矩形、圆等图形对象，应该与图形对象的具体数据结构无关
  2. class CDrawGrapObject : public CObject
  3. {
  4. public:
  5.     CDrawGrapObject();
  6. void Initialize();
  7. void SetOnceFlag();
  9. private:
  10. BOOL OnceFlag;
  12. public:
  13.     //绘图时基于CDC, (0,0)点为窗口区的左上角 
  15. //绘制直线
  16. void DrawLineXOR(CDC* pDC, POINT StartPoint, POINT EndPoint, POINT oldEndPoint); //用异或擦除旧的直线，并用异或绘制新的直线
  17. void DrawLine(CDC* pDC, POINT StartPoint, POINT EndPoint, int LineStyle, COLORREF PenColor);        //直接绘制新的直线
  18. void CancelDrawLine(CDC* pDC, POINT StartPoint, POINT EndPoint);   //用异或擦除旧的直线
  19. void DrawSelLine(CDC* pDC, POINT StartPoint, POINT EndPoint, int LineStyle, COLORREF PenColor);
  21. public:
  22. //绘制矩形
  23.     void DrawRectXOR(CDC* pDC, POINT StartPoint, POINT EndPoint, POINT oldEndPoint);
  24. void DrawRect(CDC* pDC, POINT StartPoint, POINT EndPoint, int LineStyle, COLORREF PenColor);
  25. void CancelDrawRect(CDC* pDC, POINT StartPoint, POINT EndPoint);
  26. void DrawSelRect(CDC* pDC, POINT StartPoint, POINT EndPoint, int Style, COLORREF Color);
  28. public:
  29. //绘制圆
  30. void DrawCircleXOR(CDC* pDC, POINT StartPoint, POINT EndPoint, POINT oldEndPoint);
  31.     void DrawCircle(CDC* pDC, POINT StartPoint, POINT EndPoint, int LineStyle, COLORREF PenColor);
  32. void DrawCircle(CDC* pDC, POINT StartPoint, long Radius, int LineStyle, COLORREF PenColor);
  33. void CancelDrawCircle(CDC* pDC, POINT StartPoint, POINT EndPoint);
  34. void DrawSelCircle(CDC* pDC, POINT StartPoint, long Radius, int Style, COLORREF Color);
  36. public:
  37. //绘制圆弧
  38. void DrawArcXOR(CDC* pDC, POINT StartPoint, POINT MidPoint, POINT oldMidPoint, 
  39.     POINT EndPoint, POINT oldEndPoint, int times);
  40.     void DrawArc(CDC* pDC, POINT StartPoint, POINT MidPoint, POINT EndPoint, int LineStyle, 
  41.          COLORREF PenColor);
  42.     void DrawArc(CDC* pDC, POINT OriginPoint, POINT StartPoint, POINT EndPoint, long Radius, 
  43.          int LineStyle, COLORREF PenColor);
  44. void CancelDrawArc(CDC* pDC, POINT StartPoint, POINT MidPoint, POINT EndPoint, int times);
  45. void DrawSelArc(CDC* pDC, POINT OriginPoint, POINT StartPoint, POINT EndPoint, 
  46.             long Radius, int LineStyle, COLORREF PenColor);
  47. };