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CRectangle.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：7k
源码类别：

绘图程序

开发平台：

C/C++

CRectangle.cpp：源码内容
  1. #include "stdafx.h"
  2. #include "CRectangle.h"
  3. #include"EastDrawView.h"
  4. IMPLEMENT_SERIAL(CRectangle,CUnit,1)
  5. void CRectangle::DrawStatic(CDC*pDC)
  6. {
  8.   CPen m_pen;
  9.   CBrush m_brush;
  10.   int oldDrawingMode=pDC->SetROP2(this->m_DrawingMode);
  11.   m_pen.CreatePen(m_PenStyle,m_PenWidth,m_PenColor);
  12.   CPen* pen=(CPen*)pDC->SelectObject(&m_pen);
  13.   LOGBRUSH brushlog;
  14.   brushlog.lbColor=m_BrushColor;
  15.   brushlog.lbHatch=m_BrushHatch;
  16.   brushlog.lbStyle=m_BrushStyle;
  18.   m_brush.CreateBrushIndirect(&brushlog);
  19.   
  20.   SetBrushOrg(pDC,&m_brush);
  21.   CBrush*brush=(CBrush*)pDC->SelectObject(&m_brush);
  22.  
  23.  int OldBkMode=pDC->SetBkMode(m_BkMode);
  24.  COLORREF OldColor=pDC->SetBkColor(m_BackgroundColor);
  25.  
  26.  
  27.  pDC->Rectangle(CRect(m_FirstPoint,m_SecondPoint)); 
  28.  
  29.  
  30.  pDC->SelectObject(brush);
  31.  pDC->SelectObject(pen);
  32.  pDC->SetBkMode(OldBkMode);
  33.  pDC->SetBkColor(OldColor);
  34.  pDC->SetROP2(oldDrawingMode);
  35. }
  37. void CRectangle::Serialize(CArchive &ar)
  38. {
  39. CUnit::Serialize(ar);
  40.     if(ar.IsStoring())
  41. {
  42.   ar<<m_BrushStyle<<m_BrushHatch<<m_BrushColor;
  43. }
  44. else
  45. {
  46.   ar>>m_BrushStyle>>m_BrushHatch>>m_BrushColor;
  47. }
  49. }
  53. CRectangle::CRectangle()
  54. {
  55.   Initial();
  56.  
  57.   m_BrushStyle=BS_HOLLOW;
  58.   m_BrushHatch=HS_CROSS;
  60. }
  62. int CRectangle::IsOnMarginPoint(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;
  72.  */
  73.  CRect rect(point,point);
  74.  rect.InflateRect(CSize(10,10));
  75.  if(rect.PtInRect(m_FirstPoint))
  76.  {   
  77.  m_FoundPoint=m_FirstPoint;
  78.  return 1;
  79.  }
  80.  if(rect.PtInRect(CPoint(m_SecondPoint.x,m_FirstPoint.y)))
  81.  {   m_FoundPoint=(CPoint(m_SecondPoint.x,m_FirstPoint.y));
  82.  return 2;
  83.  }
  84.  if(rect.PtInRect(m_SecondPoint))
  85.  {  
  86.  m_FoundPoint=m_SecondPoint;
  87.  return 3;
  88.  }
  89.  if(rect.PtInRect(CPoint(m_FirstPoint.x,m_SecondPoint.y)))
  90.  {   m_FoundPoint=CPoint(m_FirstPoint.x,m_SecondPoint.y);
  91.  return 4;
  92.  }
  93.  if(rect.PtInRect(CPoint((m_FirstPoint.x+m_SecondPoint.x)/2,(m_FirstPoint.y+m_SecondPoint.y)/2)))
  94.  {  
  95.      m_FoundPoint=CPoint((m_FirstPoint.x+m_SecondPoint.x)/2,(m_FirstPoint.y+m_SecondPoint.y)/2);
  96.  return 5;
  97.  }
  98.   return 0;
  100. }
  102. BOOL CRectangle::IsInRgn(CPoint point)
  103. {
  104.  CPoint FirstPoint;
  105.  CPoint SecondPoint;
  106.  FirstPoint.x=m_FirstPoint.x<m_SecondPoint.x?m_FirstPoint.x:m_SecondPoint.x;
  107.  FirstPoint.y=m_FirstPoint.y<m_SecondPoint.y?m_FirstPoint.y:m_SecondPoint.y;
  108.  SecondPoint.x=m_FirstPoint.x>m_SecondPoint.x?m_FirstPoint.x:m_SecondPoint.x;
  109.  SecondPoint.y=m_FirstPoint.y>m_SecondPoint.y?m_FirstPoint.y:m_SecondPoint.y;
  110.  m_FirstPoint=FirstPoint;
  111.  m_SecondPoint=SecondPoint;
  112.  
  113.   CRect rect1(m_FirstPoint,m_SecondPoint);
  114.   rect1.InflateRect(4,4);
  115.   CRect rect2(m_FirstPoint,m_SecondPoint);
  116.   rect2.DeflateRect(4,4);
  117.   return (rect1.PtInRect(point)&&!rect2.PtInRect(point));
  119. }
  121. void CRectangle::ShowSelectPoint(CDC *pDC)
  122. {
  123. CBrush brush;
  124. brush.CreateSolidBrush(RGB(0,0,255));
  125. CPen m_pen;
  126. m_pen.CreatePen(PS_SOLID,1,RGB(0,0,255));
  127. CPen *OldPen=pDC->SelectObject(&m_pen);
  128. int oldBkMode=pDC->SetBkMode(OPAQUE); 
  129. CBrush *OldBrush=pDC->SelectObject(&brush);
  130. int oldDrawingMode=pDC->SetROP2(R2_NOTXORPEN);
  131. CRect rect;
  133. rect.SetRect(this->m_FirstPoint,this->m_FirstPoint);
  134. rect.InflateRect(3,3);
  135. pDC->Rectangle(rect);
  137. rect.SetRect(this->m_SecondPoint,this->m_SecondPoint);
  138. rect.InflateRect(3,3);
  139. pDC->Rectangle(rect);
  141. rect.SetRect(this->m_FirstPoint.x,this->m_SecondPoint.y,this->m_FirstPoint.x,this->m_SecondPoint.y);
  142. rect.InflateRect(3,3);
  143. pDC->Rectangle(rect);
  145. rect.SetRect(this->m_SecondPoint.x,this->m_FirstPoint.y,this->m_SecondPoint.x,this->m_FirstPoint.y);
  146. rect.InflateRect(3,3);
  147. pDC->Rectangle(rect);
  149.   pDC->SelectObject(OldBrush);
  150.   brush.DeleteObject();
  151.   brush.CreateSolidBrush(RGB(255,0,0));
  152.   pDC->SelectObject(&brush);
  153. rect.SetRect((this->m_SecondPoint.x+this->m_FirstPoint.x)/2,(this->m_SecondPoint.y+this->m_FirstPoint.y)/2,(this->m_SecondPoint.x+this->m_FirstPoint.x)/2,(this->m_SecondPoint.y+this->m_FirstPoint.y)/2);
  154. rect.InflateRect(3,3);
  155. pDC->Rectangle(rect);
  156. pDC->SelectObject(OldPen);
  157. pDC->SetBkMode(oldBkMode); 
  158. pDC->SelectObject(OldBrush);
  159. pDC->SetROP2(oldDrawingMode);
  163. }
  165. void CRectangle::DrawActive(CDC *pDC,CPoint point)
  166. {
  167.   CPen m_pen;
  168.   CBrush m_brush;
  169.   
  170.   m_pen.CreatePen(m_PenStyle,m_PenWidth,m_PenColor);
  171.   CPen* pen=(CPen*)pDC->SelectObject(&m_pen);
  172.   LOGBRUSH brushlog;
  173.   brushlog.lbColor=m_BrushColor;
  174.   brushlog.lbHatch=m_BrushHatch;
  175.   brushlog.lbStyle=m_BrushStyle;
  177.     m_brush.CreateBrushIndirect(&brushlog);
  178.     SetBrushOrg(pDC,&m_brush);
  179.  
  180.   CBrush*brush=(CBrush*)pDC->SelectObject(&m_brush);
  181.  
  182.  int OldBkMode=pDC->SetBkMode(m_BkMode);
  183.  COLORREF OldColor=pDC->SetBkColor(m_BackgroundColor);
  184.  
  185.  
  186.  pDC->Rectangle(CRect(m_FirstPoint,m_SecondPoint)); 
  187.  
  188.  
  189.  pDC->SelectObject(brush);
  190.  pDC->SelectObject(pen);
  191.  pDC->SetBkMode(OldBkMode);
  192.  pDC->SetBkColor(OldColor);
  193.  
  194. }
  196. void CRectangle::OnLButtonDown(CDC *pDC, CEastDrawView *pView, CPoint point)
  197. {
  198.     if(m_HaveFindFirst)
  199. {
  200. pView->L_iPointCount=IsOnMarginPoint(point);
  201. if(pView->L_iPointCount!=0)
  202. {
  203. pView->m_bHaveFindSecond=true;
  204.         pView->m_CurrentDrawTool=Rectangle_Tool;
  205.         pView->m_CurrentDrawStatus=Change_Status;
  206.   switch(pView->L_iPointCount)
  207.   {
  208.   case 1:
  209.    pView->m_FirstPoint=m_SecondPoint;
  210.    pView->m_SecondPoint=point;
  211.   break;
  212.   case 2:
  213.   pView->m_FirstPoint=CPoint(m_FirstPoint.x,m_SecondPoint.y);
  214.   pView->m_SecondPoint=point;
  215.   break;
  216.   case 3:
  217.    pView->m_FirstPoint=m_FirstPoint;
  218.    pView->m_SecondPoint=point;
  219.   break;
  220.   case 4:
  221.    pView->m_FirstPoint=CPoint(m_SecondPoint.x,m_FirstPoint.y);
  222.    pView->m_SecondPoint=point;
  223.   break;
  224.   case 5:
  225.   pView->m_FirstPoint=m_FirstPoint;
  226.   pView->m_SecondPoint=m_SecondPoint;
  227.       pView->m_CurrentDrawTool=Rectangle_Tool;
  228.       pView->m_CurrentDrawStatus=Drag_Status;
  229.   break;
  230.   }
  231.  }//******if(L_iPointCount!=0)
  232. }//********if(L_pRectangle->m_HaveFindFirst)
  233.    
  234.      if(!pView->m_bHaveFindSecond&&IsInRgn(point))
  235.  {
  236.   if(!m_HaveFindFirst)
  237.   {
  238.     m_HaveFindFirst=true;
  239.     pView->m_bHaveFindFirst=true;
  240. ShowSelectPoint(pDC);
  241.   }
  242.   else
  243.   {
  244.     m_HaveFindFirst=false;
  245.     pView->m_bHaveFindFirst=true;
  246. ShowSelectPoint(pDC);
  247.   }
  248.  }
  249.    
  250.    if(pView->m_bHaveFindSecond)
  251. {   
  252.         pView->m_pCurrentUnit=this;
  253.         m_DrawingMode=pDC->GetROP2();
  254. ShowSelectPoint(pDC);
  255. DrawOldReferencePoint(pDC,m_FoundPoint);
  256.         DrawStatic(pDC);
  257.     }
  259. }
  261. void CRectangle::OnMouseMove(CDC *pDC, CEastDrawView *pView, CPoint point)
  262. {
  263.      if(pView->m_CurrentDrawStatus==Drag_Status)
  264.    {
  265.     m_FirstPoint.Offset(pView->m_SecondPoint.x-pView->m_FirstPoint.x,pView->m_SecondPoint.y-pView->m_FirstPoint.y);
  266.        m_SecondPoint.Offset(pView->m_SecondPoint.x-pView->m_FirstPoint.x,pView->m_SecondPoint.y-pView->m_FirstPoint.y);   
  267.    }
  268.    
  269.  else
  270.    {
  271.       
  272.   this->DrawActive(pDC,point);
  273.       pView->m_SecondPoint=point;
  274.       m_SecondPoint=pView->m_SecondPoint;
  275.   
  276.   this->DrawActive(pDC,point);
  278.        }
  280. }