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CLiEllipse.cpp
资源名称：完整的基本图形绘制系统.rar　[点击查看]
上传用户：qiye66671
上传日期：2009-12-10
资源大小：182k
文件大小：8k
源码类别：

绘图程序

开发平台：

C/C++

CLiEllipse.cpp：源码内容
  1. #include "stdafx.h"
  2. #include"CLiEllipse.h"
  3. #include"EastDrawView.h"
  4. IMPLEMENT_SERIAL(CLiEllipse,CUnit,1)
  5. void CLiEllipse::DrawStatic(CDC*pDC)
  6. {  
  7.   CPen m_pen;
  8.   CBrush m_brush;
  9.   int oldDrawingMode=pDC->SetROP2(this->m_DrawingMode);
  10.   m_pen.CreatePen(m_PenStyle,m_PenWidth,m_PenColor);
  11.   CPen* pen=(CPen*)pDC->SelectObject(&m_pen);
  12.   LOGBRUSH brushlog;
  13.   brushlog.lbColor=m_BrushColor;
  14.   brushlog.lbHatch=m_BrushHatch;
  15.   brushlog.lbStyle=m_BrushStyle;
  17.   m_brush.CreateBrushIndirect(&brushlog);
  18.   SetBrushOrg(pDC,&m_brush);
  19.   CBrush*brush=(CBrush*)pDC->SelectObject(&m_brush);
  20.  
  21.  int OldBkMode=pDC->SetBkMode(m_BkMode);
  22.  COLORREF OldColor=pDC->SetBkColor(m_BackgroundColor);
  23.  pDC->Ellipse(CRect(m_FirstPoint,m_SecondPoint)); 
  24.  pDC->SelectObject(brush);
  25.  pDC->SelectObject(pen);
  26.  pDC->SetBkMode(OldBkMode);
  27.  pDC->SetBkColor(OldColor);
  28.  pDC->SetROP2(oldDrawingMode);
  30. }
  31. CLiEllipse::CRoundRectangle()
  32. {
  33.   Initial();
  34.   //m_Shape=0;
  35.   m_BrushStyle=BS_HOLLOW;
  36.   m_BrushHatch=HS_CROSS;
  38. }
  39. void CLiEllipse::Serialize(CArchive &ar)
  40. {
  41. CUnit::Serialize(ar);
  42.     if(ar.IsStoring())
  43. {
  44.   ar<<m_BrushStyle<<m_BkMode<<m_BrushHatch<<m_BrushColor;
  45. }
  46. else
  47. {
  48.   ar>>m_BrushStyle>>m_BkMode>>m_BrushHatch>>m_BrushColor;
  49. }
  51. }
  52. BOOL CLiEllipse::IsInRgn(CPoint point)
  53. {
  54.  
  55. CPoint FirstPoint;
  56.  CPoint SecondPoint;
  57.  FirstPoint.x=m_FirstPoint.x<m_SecondPoint.x?m_FirstPoint.x:m_SecondPoint.x;
  58.  FirstPoint.y=m_FirstPoint.y<m_SecondPoint.y?m_FirstPoint.y:m_SecondPoint.y;
  59.  SecondPoint.x=m_FirstPoint.x>m_SecondPoint.x?m_FirstPoint.x:m_SecondPoint.x;
  60.  SecondPoint.y=m_FirstPoint.y>m_SecondPoint.y?m_FirstPoint.y:m_SecondPoint.y;
  61.  m_FirstPoint=FirstPoint;
  62.  m_SecondPoint=SecondPoint;
  64. CRgn rgn1;
  65. rgn1.CreateEllipticRgn(m_FirstPoint.x-4,m_FirstPoint.y-4,m_SecondPoint.x+4,m_SecondPoint.y+4);
  66.     CRgn rgn2;
  67. rgn2.CreateEllipticRgn(m_FirstPoint.x+4,m_FirstPoint.y+4,m_SecondPoint.x-4,m_SecondPoint.y-4);
  69. return rgn1.PtInRegion(point)&&!rgn2.PtInRegion(point);
  71. }
  72. int CLiEllipse::IsOnMarginPoint(CPoint point)
  73. {
  76.  CRect rect(point,point);
  77.  rect.InflateRect(CSize(4,4));
  78.  if(rect.PtInRect(CPoint(m_FirstPoint.x+(m_SecondPoint.x-m_FirstPoint.x)/2,m_FirstPoint.y)))
  79.  {   
  80.  this->m_FoundPoint=CPoint(m_FirstPoint.x+(m_SecondPoint.x-m_FirstPoint.x)/2,m_FirstPoint.y);
  81.  return 1;
  82.  }
  83.  if(rect.PtInRect(CPoint(m_SecondPoint.x,m_FirstPoint.y+(m_SecondPoint.y-m_FirstPoint.y)/2)))
  84.  {
  85.  this->m_FoundPoint=CPoint(m_SecondPoint.x,m_FirstPoint.y+(m_SecondPoint.y-m_FirstPoint.y)/2);
  86.  return 2;
  87.  }
  88.  if(rect.PtInRect(CPoint(m_SecondPoint.x+(m_FirstPoint.x-m_SecondPoint.x)/2,m_SecondPoint.y)))
  89.  {    
  90.  this->m_FoundPoint=CPoint(m_SecondPoint.x+(m_FirstPoint.x-m_SecondPoint.x)/2,m_SecondPoint.y);
  91.      return 3;
  92.  }
  93.  if(rect.PtInRect(CPoint(m_FirstPoint.x,m_SecondPoint.y+(m_FirstPoint.y-m_SecondPoint.y)/2)))
  94.  {
  95.  this->m_FoundPoint=CPoint(m_FirstPoint.x,m_SecondPoint.y+(m_FirstPoint.y-m_SecondPoint.y)/2);
  96.      return 4;
  97.  }
  98.  if(rect.PtInRect(CPoint((m_FirstPoint.x+m_SecondPoint.x)/2,(m_FirstPoint.y+m_SecondPoint.y)/2)))
  99.  {   
  100.  this->m_FoundPoint=CPoint((m_FirstPoint.x+m_SecondPoint.x)/2,(m_FirstPoint.y+m_SecondPoint.y)/2);
  101.      return 5;
  102.  }
  103.  
  104.  return 0;
  105.  
  106. }
  108. void CLiEllipse::ShowSelectPoint(CDC *pDC)
  109. {
  110. CBrush brush;
  111. brush.CreateSolidBrush(RGB(0,0,255));
  112. CPen m_pen;
  113. m_pen.CreatePen(PS_SOLID,1,RGB(0,0,255));
  114. CPen *OldPen=pDC->SelectObject(&m_pen);
  115. int oldBkMode=pDC->SetBkMode(OPAQUE); 
  116. CBrush *OldBrush=pDC->SelectObject(&brush);
  117. int oldDrawingMode=pDC->SetROP2(R2_NOTXORPEN);
  118. CRect rect;
  119. rect.SetRect(CPoint(m_FirstPoint.x+(m_SecondPoint.x-m_FirstPoint.x)/2,m_FirstPoint.y),CPoint(m_FirstPoint.x+(m_SecondPoint.x-m_FirstPoint.x)/2,m_FirstPoint.y));
  120. rect.InflateRect(3,3);
  121. pDC->Rectangle(rect);
  122. rect.SetRect(CPoint(m_SecondPoint.x,m_FirstPoint.y+(m_SecondPoint.y-m_FirstPoint.y)/2),CPoint(m_SecondPoint.x,m_FirstPoint.y+(m_SecondPoint.y-m_FirstPoint.y)/2));
  123. rect.InflateRect(3,3);
  124. pDC->Rectangle(rect);
  125. rect.SetRect(CPoint(m_SecondPoint.x+(m_FirstPoint.x-m_SecondPoint.x)/2,m_SecondPoint.y),CPoint(m_SecondPoint.x+(m_FirstPoint.x-m_SecondPoint.x)/2,m_SecondPoint.y));
  126. rect.InflateRect(3,3);
  127. pDC->Rectangle(rect);
  128. rect.SetRect(CPoint(m_FirstPoint.x,m_SecondPoint.y+(m_FirstPoint.y-m_SecondPoint.y)/2),CPoint(m_FirstPoint.x,m_SecondPoint.y+(m_FirstPoint.y-m_SecondPoint.y)/2));
  129. rect.InflateRect(3,3);
  130. pDC->Rectangle(rect);
  131. rect.SetRect(CPoint((m_FirstPoint.x+m_SecondPoint.x)/2,(m_FirstPoint.y+m_SecondPoint.y)/2),CPoint((m_FirstPoint.x+m_SecondPoint.x)/2,(m_FirstPoint.y+m_SecondPoint.y)/2));
  132. rect.InflateRect(3,3);
  133.  pDC->SelectObject(OldBrush);
  134.  brush.DeleteObject();
  135.  brush.CreateSolidBrush(RGB(255,0,0));
  136.  pDC->SelectObject(&brush);
  137. pDC->Rectangle(rect);
  138. pDC->SelectObject(OldPen);
  139. pDC->SetBkMode(oldBkMode); 
  140. pDC->SelectObject(OldBrush);
  141. pDC->SetROP2(oldDrawingMode);
  143. }
  145. void CLiEllipse::DrawActive(CDC *pDC,CPoint point)
  146. {
  147.   CPen m_pen;
  148.   CBrush m_brush;
  149.   
  150.   m_pen.CreatePen(m_PenStyle,m_PenWidth,m_PenColor);
  151.   CPen* pen=(CPen*)pDC->SelectObject(&m_pen);
  152.   LOGBRUSH brushlog;
  153.   brushlog.lbColor=m_BrushColor;
  154.   brushlog.lbHatch=m_BrushHatch;
  155.   brushlog.lbStyle=m_BrushStyle;
  157.   m_brush.CreateBrushIndirect(&brushlog);
  158.   SetBrushOrg(pDC,&m_brush);
  159.   CBrush*brush=(CBrush*)pDC->SelectObject(&m_brush);
  160.  
  161.  int OldBkMode=pDC->SetBkMode(m_BkMode);
  162.  COLORREF OldColor=pDC->SetBkColor(m_BackgroundColor);
  163.  pDC->Ellipse(CRect(m_FirstPoint,m_SecondPoint)); 
  164.  pDC->SelectObject(brush);
  165.  pDC->SelectObject(pen);
  166.  pDC->SetBkMode(OldBkMode);
  167.  pDC->SetBkColor(OldColor);
  168.  
  169. }
  171. void CLiEllipse::OnLButtonDown(CDC *pDC, CEastDrawView *pView, CPoint point)
  172. {
  173. if(m_HaveFindFirst)
  174.    {
  175.    pView->L_iPointCount=IsOnMarginPoint(point);
  176. if(pView->L_iPointCount!=0)
  177. {
  178. pView->m_bHaveFindSecond=true;
  179.         pView->m_CurrentDrawTool=LiEllipse_Tool;
  180.         pView->m_CurrentDrawStatus=Change_Status;
  181.   
  182. switch(pView->L_iPointCount)
  183. {
  184. case 1:
  185.    pView->m_FirstPoint=m_SecondPoint;
  186.    pView->m_SecondPoint=m_FirstPoint;
  187.   break;
  188. case 2:
  189.   
  190.   pView->m_FirstPoint=m_FirstPoint;
  191.   pView->m_SecondPoint=m_SecondPoint;
  192.   break;
  193.     case 3:
  194.   
  195.    pView->m_FirstPoint=m_FirstPoint;
  196.    pView->m_SecondPoint=m_SecondPoint;
  197.    break;
  198.   
  199. case 4:
  200.    
  201. pView->m_FirstPoint=m_SecondPoint;
  202.     pView->m_SecondPoint=m_FirstPoint;
  203.    break;
  204.   
  205. case 5:
  206.    pView->m_FirstPoint=m_FirstPoint;
  207.    pView->m_SecondPoint=m_SecondPoint;
  208.        pView->m_CurrentDrawTool=LiEllipse_Tool;
  209.        pView->m_CurrentDrawStatus=Drag_Status;
  210.   break;
  211. }
  212.  }//******if(L_iPointCount!=0)
  213.    }//*************if(L_pLiEllipse->m_HaveFindFirst)
  214.    
  215.      if(!pView->m_bHaveFindSecond&&IsInRgn(point))
  216.  {
  217.   if(!m_HaveFindFirst)
  218.   {
  219.   m_HaveFindFirst=true;
  220.   pView->m_bHaveFindFirst=true;
  221.   ShowSelectPoint(pDC);
  222.       }
  223.      else
  224.   {
  225.   m_HaveFindFirst=false;
  226.   pView->m_bHaveFindFirst=true;
  227.   ShowSelectPoint(pDC);
  228.   }
  229.  }
  230.    
  231.    if(pView->m_bHaveFindSecond)
  232. {   
  233.         pView->m_pCurrentUnit=this;
  234.         m_DrawingMode=pDC->GetROP2();
  235.         DrawStatic(pDC);
  236. ShowSelectPoint(pDC);
  237.     DrawOldReferencePoint(pDC,m_FoundPoint);
  238.     }
  240. }
  242. void CLiEllipse::OnMouseMove(CDC *pDC, CEastDrawView *pView, CPoint point)
  243. {
  244.     if(pView->m_CurrentDrawStatus==Drag_Status)
  245.    {
  246. m_FirstPoint.Offset(pView->m_SecondPoint.x-pView->m_FirstPoint.x,pView->m_SecondPoint.y-pView->m_FirstPoint.y);
  247.         m_SecondPoint.Offset(pView->m_SecondPoint.x-pView->m_FirstPoint.x,pView->m_SecondPoint.y-pView->m_FirstPoint.y);   
  248. }  
  249. else{
  250.      
  251.   this->DrawActive(pDC,point);
  252.       pView->m_SecondPoint=point;
  253.       m_SecondPoint=pView->m_SecondPoint;
  254.   this->DrawActive(pDC,point);
  255. }
  256. }