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CRound.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：9k
源码类别：

绘图程序

开发平台：

C/C++

CRound.cpp：源码内容
  1. #include "stdafx.h"
  2. #include"CRound.h"
  3. #include"EastDrawView.h"
  4. IMPLEMENT_SERIAL(CRound,CUnit,1)
  5. void CRound::DrawStatic(CDC*pDC)
  6. {
  7.   CPen m_pen;
  8.   CBrush m_brush;
  9.   int oldDrawingMode=pDC->SetROP2(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.   
  19.   CBrush*brush=(CBrush*)pDC->SelectObject(&m_brush);
  20.   SetBrushOrg(pDC,&m_brush);
  21.  int OldBkMode=pDC->SetBkMode(m_BkMode);
  22.  COLORREF OldColor=pDC->SetBkColor(m_BackgroundColor);
  24. // CPoint lpoint=m_SecondPoint.x-m_FirstPoint.x>m_SecondPoint.y-m_FirstPoint.y?CPoint(m_SecondPoint.x,m_FirstPoint.y+m_SecondPoint.x-m_FirstPoint.x):CPoint(m_FirstPoint.x+m_SecondPoint.y-m_FirstPoint.y,m_SecondPoint.y);
  25.  //m_SecondPoint=lpoint;
  26.  pDC->Ellipse(CRect(m_FirstPoint,m_SecondPoint)); 
  27.  pDC->SelectObject(brush);
  28.  pDC->SelectObject(pen);
  29.  pDC->SetBkMode(OldBkMode);
  30.  pDC->SetBkColor(OldColor);
  31.  pDC->SetROP2(oldDrawingMode);
  32. }
  34. CRound::CRound()
  35. {
  36.   Initial();
  37.  
  38.   m_BrushStyle=BS_HOLLOW;
  39.   m_BrushHatch=HS_CROSS;
  41. }
  47. int CRound::ComputRadious(CPoint centerPoint, CPoint movingPoint)
  48. {
  50. m_Radious=int(sqrt((centerPoint.x-movingPoint.x)*(centerPoint.x-movingPoint.x)+(centerPoint.y-movingPoint.y)*(centerPoint.y-movingPoint.y)));
  51. CPoint cpoint;
  52. cpoint=centerPoint;
  53. cpoint.Offset(-m_Radious,-m_Radious);
  54. this->m_FirstPoint=cpoint;
  55. cpoint=centerPoint;
  56. cpoint.Offset(m_Radious,m_Radious);
  57. this->m_SecondPoint=cpoint;
  58. return 0;
  60. }
  62. BOOL CRound::IsInRgn(CPoint point)
  63. {
  64.  CPoint FirstPoint;
  65.  CPoint SecondPoint;
  66.  FirstPoint.x=m_FirstPoint.x<m_SecondPoint.x?m_FirstPoint.x:m_SecondPoint.x;
  67.  FirstPoint.y=m_FirstPoint.y<m_SecondPoint.y?m_FirstPoint.y:m_SecondPoint.y;
  68.  SecondPoint.x=m_FirstPoint.x>m_SecondPoint.x?m_FirstPoint.x:m_SecondPoint.x;
  69.  SecondPoint.y=m_FirstPoint.y>m_SecondPoint.y?m_FirstPoint.y:m_SecondPoint.y;
  70.  m_FirstPoint=FirstPoint;
  71.  m_SecondPoint=SecondPoint;
  73. CRgn rgn1;
  74. rgn1.CreateEllipticRgn(m_FirstPoint.x-4,m_FirstPoint.y-4,m_SecondPoint.x+4,m_SecondPoint.y+4);
  75.     CRgn rgn2;
  76. rgn2.CreateEllipticRgn(m_FirstPoint.x+4,m_FirstPoint.y+4,m_SecondPoint.x-4,m_SecondPoint.y-4);
  78. return rgn1.PtInRegion(point)&&!rgn2.PtInRegion(point);
  79. }
  81. int CRound::IsOnMarginPoint(CPoint point)
  82. {
  83.  CPoint FirstPoint;
  84.  CPoint SecondPoint;
  85.  FirstPoint.x=m_FirstPoint.x<m_SecondPoint.x?m_FirstPoint.x:m_SecondPoint.x;
  86.  FirstPoint.y=m_FirstPoint.y<m_SecondPoint.y?m_FirstPoint.y:m_SecondPoint.y;
  87.  SecondPoint.x=m_FirstPoint.x>m_SecondPoint.x?m_FirstPoint.x:m_SecondPoint.x;
  88.  SecondPoint.y=m_FirstPoint.y>m_SecondPoint.y?m_FirstPoint.y:m_SecondPoint.y;
  89.  m_FirstPoint=FirstPoint;
  90.  m_SecondPoint=SecondPoint;
  91.  CRect rect(point,point);
  92.  rect.InflateRect(CSize(4,4));
  93.  if(rect.PtInRect(CPoint(m_FirstPoint.x+(m_SecondPoint.x-m_FirstPoint.x)/2,m_FirstPoint.y)))
  94. {
  95.  m_FoundPoint=CPoint(m_FirstPoint.x+(m_SecondPoint.x-m_FirstPoint.x)/2,m_FirstPoint.y);
  96.  return 1;
  97.     }   
  98.  if(rect.PtInRect(CPoint(m_SecondPoint.x,m_FirstPoint.y+(m_SecondPoint.y-m_FirstPoint.y)/2)))
  99.  {
  100.  m_FoundPoint=CPoint(m_SecondPoint.x,m_FirstPoint.y+(m_SecondPoint.y-m_FirstPoint.y)/2);
  101.  return 2;
  102.  }
  103.  if(rect.PtInRect(CPoint(m_SecondPoint.x+(m_FirstPoint.x-m_SecondPoint.x)/2,m_SecondPoint.y)))
  104.  {
  105.  m_FoundPoint=CPoint(m_SecondPoint.x+(m_FirstPoint.x-m_SecondPoint.x)/2,m_SecondPoint.y);
  106.  return 3;
  107.  }
  108.  if(rect.PtInRect(CPoint(m_FirstPoint.x,m_SecondPoint.y+(m_FirstPoint.y-m_SecondPoint.y)/2)))
  109.  {
  110.  m_FoundPoint=CPoint(m_FirstPoint.x,m_SecondPoint.y+(m_FirstPoint.y-m_SecondPoint.y)/2);
  111.  return 4;
  112.  }
  113.  if(rect.PtInRect(this->m_CenterPoint))
  114.  {
  115.  m_FoundPoint=m_CenterPoint;
  116.  return 5;
  117.  }
  118.   return 0;
  119. }
  121. void CRound::Serialize(CArchive &ar)
  122. {
  123.     CUnit::Serialize(ar);
  124.     if(ar.IsStoring())
  125. {
  126.   ar<<m_BrushStyle<<m_BkMode<<m_BrushHatch<<m_BrushColor<<m_CenterPoint;
  127. }
  128. else
  129. {
  130.   ar>>m_BrushStyle>>m_BkMode>>m_BrushHatch>>m_BrushColor>>m_CenterPoint;
  131. }
  134. }
  136. void CRound::ShowSelectPoint(CDC *pDC)
  137. {
  138.  CBrush brush;
  139. brush.CreateSolidBrush(RGB(0,0,255));
  140. CPen m_pen;
  141. m_pen.CreatePen(PS_SOLID,1,RGB(0,0,255));
  142. CPen *OldPen=pDC->SelectObject(&m_pen);
  143. int oldBkMode=pDC->SetBkMode(OPAQUE); 
  144. CBrush *OldBrush=pDC->SelectObject(&brush);
  145. int oldDrawingMode=pDC->SetROP2(R2_NOTXORPEN);
  146.  CRect rect;
  147.  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));
  148.  rect.InflateRect(3,3);
  149.  pDC->Rectangle(rect);
  150.  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));
  151.  rect.InflateRect(3,3);
  152.  pDC->Rectangle(rect);
  153.  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));
  154.  rect.InflateRect(3,3);
  155.  pDC->Rectangle(rect);
  156.  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));
  157.  rect.InflateRect(3,3);
  158.  pDC->Rectangle(rect);
  160.  pDC->SelectObject(OldBrush);
  161.   brush.DeleteObject();
  162.   brush.CreateSolidBrush(RGB(255,0,0));
  163.   pDC->SelectObject(&brush);
  164.  rect.SetRect(this->m_CenterPoint,this->m_CenterPoint);
  165.  rect.InflateRect(3,3);
  166.  pDC->Rectangle(rect);
  167. pDC->SelectObject(OldPen);
  168. pDC->SetBkMode(oldBkMode); 
  169. pDC->SelectObject(OldBrush);
  170. pDC->SetROP2(oldDrawingMode);
  173. }
  175. void CRound::DrawActive(CDC *pDC,CPoint point)
  176. {
  177.   CPen m_pen;
  178.   CBrush m_brush;
  179.   
  180.   m_pen.CreatePen(m_PenStyle,m_PenWidth,m_PenColor);
  181.   CPen* pen=(CPen*)pDC->SelectObject(&m_pen);
  182.   LOGBRUSH brushlog;
  183.   brushlog.lbColor=m_BrushColor;
  184.   brushlog.lbHatch=m_BrushHatch;
  185.   brushlog.lbStyle=m_BrushStyle;
  187.   m_brush.CreateBrushIndirect(&brushlog);
  188.  SetBrushOrg(pDC,&m_brush);
  189.   CBrush*brush=(CBrush*)pDC->SelectObject(&m_brush);
  190.  
  191.  int OldBkMode=pDC->SetBkMode(m_BkMode);
  192.  COLORREF OldColor=pDC->SetBkColor(m_BackgroundColor);
  194. // CPoint lpoint=m_SecondPoint.x-m_FirstPoint.x>m_SecondPoint.y-m_FirstPoint.y?CPoint(m_SecondPoint.x,m_FirstPoint.y+m_SecondPoint.x-m_FirstPoint.x):CPoint(m_FirstPoint.x+m_SecondPoint.y-m_FirstPoint.y,m_SecondPoint.y);
  195.  //m_SecondPoint=lpoint;
  196.  pDC->Ellipse(CRect(m_FirstPoint,m_SecondPoint)); 
  197.  pDC->SelectObject(brush);
  198.  pDC->SelectObject(pen);
  199.  pDC->SetBkMode(OldBkMode);
  200.  pDC->SetBkColor(OldColor);
  201.  
  202. }
  204. void CRound::OnLButtonDown(CDC *pDC, CEastDrawView *pView, CPoint point)
  205. {
  206.   if(m_HaveFindFirst)
  207. {
  208.  pView->L_iPointCount=IsOnMarginPoint(point);
  209. if(pView->L_iPointCount!=0)
  210. {
  211. pView->m_bHaveFindSecond=true;
  212.         pView->m_CurrentDrawTool=Round_Tool;
  213.         pView->m_CurrentDrawStatus=Change_Status;
  214.     pView->m_FirstPoint=m_FirstPoint;
  215.     pView->m_SecondPoint=m_SecondPoint;
  216.     
  217. }//******if(L_iPointCount!=0)
  219.   if(pView->L_iPointCount==5)
  220. {
  221.  pView->m_FirstPoint=m_FirstPoint;
  222.  pView->m_SecondPoint=m_SecondPoint;
  223.      pView->m_CurrentDrawTool=Round_Tool;
  224.      pView->m_CurrentDrawStatus=Drag_Status;
  225. }
  226. }//********if(L_pRound->m_HaveFindFirst)
  227.   
  228.      if(!pView->m_bHaveFindSecond&&IsInRgn(point))
  229.  {
  230.  if(!m_HaveFindFirst)
  231.  {
  232.       m_HaveFindFirst=true;
  233.       pView->m_bHaveFindFirst=true;
  234.   ShowSelectPoint(pDC);
  235.  }
  236.          else
  237.  {
  238.   this->m_HaveFindFirst=false;
  239.   pView->m_bHaveFindFirst=true;
  240.            ShowSelectPoint(pDC);
  241. }
  243.  }
  245.    
  246.    if(pView->m_bHaveFindSecond)
  247. {   
  248.         pView->m_pCurrentUnit=this;
  249. m_MovingPoint=point;
  250.         m_DrawingMode=pDC->GetROP2();
  251. //m_pCurrentUnit->m_MovingPoint=point;
  252. ShowSelectPoint(pDC);
  253.     DrawOldReferencePoint(pDC,m_FoundPoint);
  254.         DrawStatic(pDC);
  255.     }
  256.  }//******for(i=0;!m_bHaveFindFirst&&i<pDoc->m_RoundArray.GetSize();i++)
  257.  
  259. void CRound::OnMouseMove(CDC *pDC, CEastDrawView *pView, CPoint point)
  260. {
  261.           if(pView->m_CurrentDrawStatus==Drag_Status)
  262.   {
  263.  m_FirstPoint.Offset(pView->m_SecondPoint.x-pView->m_FirstPoint.x,pView->m_SecondPoint.y-pView->m_FirstPoint.y);
  264.              m_SecondPoint.Offset(pView->m_SecondPoint.x-pView->m_FirstPoint.x,pView->m_SecondPoint.y-pView->m_FirstPoint.y);
  265.          m_CenterPoint.Offset(pView->m_SecondPoint.x-pView->m_FirstPoint.x,pView->m_SecondPoint.y-pView->m_FirstPoint.y);
  266.   
  267.   }
  268.   else
  269.   {
  270.       
  271.   ShowMovingLine(pDC,m_CenterPoint,pView->m_SecondPoint);
  272.    this->DrawActive(pDC,point);
  273.   ComputRadious(m_CenterPoint,point);
  274.       pView->m_SecondPoint=point;
  275.   
  276.  this->DrawActive(pDC,point);
  277.   ShowMovingLine(pDC,m_CenterPoint,pView->m_SecondPoint);
  279.   }
  280. }