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DrawFillEllipse.cpp
资源名称：DrawSys.zip　[点击查看]
上传用户：mosfetic
上传日期：2022-06-16
资源大小：4612k
文件大小：4k
源码类别：

GDI/图象编程

开发平台：

Visual C++

DrawFillEllipse.cpp：源码内容
  1. // DrawFillEllipse.cpp: implementation of the CDrawFillEllipse class.
  2. //
  3. //////////////////////////////////////////////////////////////////////
  5. #include "stdafx.h"
  6. #include "DrawSys.h"
  7. #include "DrawFillEllipse.h"
  9. #include "ViewProperty.h"
  11. #ifdef _DEBUG
  12. #undef THIS_FILE
  13. static char THIS_FILE[]=__FILE__;
  14. #define new DEBUG_NEW
  15. #endif
  17. //////////////////////////////////////////////////////////////////////
  18. // Construction/Destruction
  19. //////////////////////////////////////////////////////////////////////
  20. IMPLEMENT_SERIAL(CDrawFillEllipse, CObject, 1)
  22. CDrawFillEllipse::CDrawFillEllipse()
  23. {
  24. m_ptFirst.x = m_ptFirst.y = 0;
  25. m_ptSecond.x = m_ptSecond.y = 0;
  26. m_ptTemp.x = m_ptTemp.y = 0;
  27. m_bStart = FALSE;
  28. }
  30. CDrawFillEllipse::~CDrawFillEllipse()
  31. {
  33. }
  35. void CDrawFillEllipse::Draw(CDC* pDC)
  36. {
  37. CRect rcDraw;
  38. CBrush brush(RGB(0, 255, 0));
  39. HBRUSH hOldBrush = NULL;
  40. CPen* pPen = NULL;
  41. CPen* pOldPen = NULL;
  42. rcDraw.left = m_ptFirst.x;
  43. rcDraw.top = m_ptFirst.y;
  44. rcDraw.right = m_ptSecond.x;
  45. rcDraw.bottom = m_ptSecond.y;
  46. pPen = CPen::FromHandle((HPEN)GetStockObject(NULL_PEN));
  47. pOldPen = pDC->SelectObject(pPen);
  48. hOldBrush = (HBRUSH)pDC->SelectObject(&brush);
  49. pDC->Ellipse(&rcDraw);
  50. pDC->SelectObject(hOldBrush);
  51. pDC->SelectObject(pOldPen);
  52. brush.DeleteObject();
  53. }
  55. void CDrawFillEllipse::OnMouseMove(CDC* pDC, UINT nFlags, CPoint point)
  56. {
  57. int iDrawMode = 0;
  58. CRect rcDraw;
  59. if(m_bStart)
  60. {
  61. if(pDC)
  62. {
  63. iDrawMode = pDC->SetROP2(R2_NOTXORPEN);
  64. rcDraw.left = m_ptFirst.x;
  65. rcDraw.top = m_ptFirst.y;
  66. rcDraw.right = m_ptTemp.x;
  67. rcDraw.bottom = m_ptTemp.y;
  68. pDC->Ellipse(&rcDraw);
  69. m_ptTemp = point;
  70. rcDraw.right = m_ptTemp.x;
  71. rcDraw.bottom = m_ptTemp.y;
  72. pDC->Ellipse(&rcDraw);
  73. pDC->SetROP2(iDrawMode);
  74. }
  75. }
  76. }
  78. void CDrawFillEllipse::OnLButtonDown(CDC* pDC, UINT nFlags, CPoint point)
  79. {
  80. m_ptFirst = point;
  81. m_ptTemp = point;
  82. m_bStart = TRUE;
  83. }
  85. BOOL CDrawFillEllipse::OnLButtonUp(CDC* pDC, UINT nFlags, CPoint point)
  86. {
  87. int iDrawMode = 0;
  88. CRect rcDraw;
  89. CBrush brush(RGB(0, 255, 0));
  90. HBRUSH hOldBrush = NULL;
  91. CPen* pPen = NULL;
  92. HPEN hOldPen = NULL;
  93. if(m_bStart)
  94. {
  95. if(pDC)
  96. {
  97. iDrawMode = pDC->SetROP2(R2_NOTXORPEN);
  98. rcDraw.left = m_ptFirst.x;
  99. rcDraw.top = m_ptFirst.y;
  100. rcDraw.right = m_ptTemp.x;
  101. rcDraw.bottom = m_ptTemp.y;
  102. pDC->Ellipse(&rcDraw);
  103. m_ptSecond = point;
  104. m_ptTemp = point;
  105. rcDraw.left = MIN(m_ptFirst.x, m_ptSecond.x);
  106. rcDraw.top = MIN(m_ptFirst.y, m_ptSecond.y);
  107. rcDraw.right = MAX(m_ptFirst.x, m_ptSecond.x);
  108. rcDraw.bottom = MAX(m_ptFirst.y, m_ptSecond.y);
  109. m_ptFirst.x = rcDraw.left;
  110. m_ptFirst.y = rcDraw.top;
  111. m_ptSecond.x = rcDraw.right;
  112. m_ptSecond.y = rcDraw.bottom;
  113. pDC->SetROP2(R2_COPYPEN);
  114. pPen = CPen::FromHandle((HPEN)GetStockObject(NULL_PEN));
  115. hOldPen = (HPEN)pDC->SelectObject(pPen);
  116. hOldBrush = (HBRUSH)pDC->SelectObject(&brush);
  117. Draw(pDC);
  118. pDC->SelectObject(hOldBrush);
  119. pDC->SelectObject(hOldPen);
  120. brush.DeleteObject();
  121. pDC->SetROP2(iDrawMode);
  122. }
  123. m_bStart = FALSE;
  124. }
  125. return (!rcDraw.IsRectEmpty());
  126. }
  128. void CDrawFillEllipse::Serialize(CArchive& ar)
  129. {
  130. if (ar.IsStoring())
  131. {
  132. // TODO: add storing code here
  133. ar << m_ptFirst << m_ptSecond;
  134. }
  135. else
  136. {
  137. // TODO: add loading code here
  138. ar >> m_ptFirst >> m_ptSecond;
  139. }
  140. }
  142. BOOL CDrawFillEllipse::PtInShape(CPoint point)
  143. {
  144. CRect rcDraw;
  145. CRgn rgn;
  146. BOOL m_bRetVal = FALSE;
  147. rcDraw.left = MIN(m_ptFirst.x, m_ptSecond.x);
  148. rcDraw.top = MIN(m_ptFirst.y, m_ptSecond.y);
  149. rcDraw.right = MAX(m_ptFirst.x, m_ptSecond.x);
  150. rcDraw.bottom = MAX(m_ptFirst.y, m_ptSecond.y);
  151. rgn.CreateEllipticRgnIndirect(&rcDraw);
  152. m_bRetVal = rgn.PtInRegion(point);
  153. rgn.DeleteObject();
  154. return m_bRetVal;
  155. }
  157. void CDrawFillEllipse::ShowProperty()
  158. {
  159. CRect rcDraw;
  160. CString strID;
  161. CString strTime;
  162. CViewProperty dlg;
  163. rcDraw.left = m_ptFirst.x;
  164. rcDraw.top = m_ptFirst.y;
  165. rcDraw.right = m_ptSecond.x;
  166. rcDraw.bottom = m_ptSecond.y;
  167. dlg.m_strType = "填充椭圆";
  168. MyFormatString(dlg.m_strID, m_iID);
  169. dlg.m_iLength = rcDraw.Width();
  170. dlg.m_iWidth = rcDraw.Height();
  171. dlg.m_strTime = m_tmCreate.Format("%Y - %m - %d");
  172. dlg.DoModal();
  173. }