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CText2View.cpp：源码内容
							// CText2View.cpp : CCText2View 类的实现
//
#include "stdafx.h"
#include "CText2.h"
#include "CText2Doc.h"
#include "CText2View.h"
#include ".ctext2view.h"
#include "BitVector.h"
#include <math.h>
//#include "TextDialog.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// CCText2View
IMPLEMENT_DYNCREATE(CCText2View, CView)
BEGIN_MESSAGE_MAP(CCText2View, CView)
	// 标准打印命令
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
	ON_WM_TIMER()
	ON_WM_CREATE()
	ON_COMMAND(ID_Menu, OnMenu)
	//ON_BN_CLICKED(IDC_BUTTON1, OnBnClickedButton1)
	ON_WM_ERASEBKGND()
	ON_COMMAND(ID_MYMENU_FONT, OnMymenuFont)
	ON_COMMAND(ID_ALIGN_LEFT, OnAlignLeft)
	ON_COMMAND(ID_ALIGN_RIGHT, OnAlignRight)
	ON_COMMAND(ID_ALIN_CENTER, OnAlinCenter)
END_MESSAGE_MAP()
// CCText2View 构造/析构
CCText2View::CCText2View()
{
	// TODO: 在此处添加构造代码
   posX=0;
   posY=0;
   speed=50;
   size=30;
   model=1;
   bModify=FALSE;
   m_cTextColor=RGB(0,0,255);// 蓝色
   m_lf.lfHeight=size;
   m_lf.lfWeight=0;
   m_lf.lfEscapement=0;
   m_lf.lfOrientation=0;
   m_lf.lfWeight=FW_NORMAL;
   m_lf.lfItalic=FALSE; 
   m_lf.lfUnderline=FALSE;
   m_lf.lfStrikeOut=FALSE;
   m_lf.lfCharSet=GB2312_CHARSET;
   m_lf.lfOutPrecision=OUT_STROKE_PRECIS;
   m_lf.lfClipPrecision=CLIP_STROKE_PRECIS;
   m_lf.lfQuality=DEFAULT_QUALITY;
   m_lf.lfPitchAndFamily=VARIABLE_PITCH|FF_MODERN;
   strcpy(m_lf.lfFaceName,"仿宋_GB2312");
   }
CCText2View::~CCText2View()
{
}
BOOL CCText2View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: 在此处通过修改 CREATESTRUCT cs 来修改窗口类或
	// 样式
	return CView::PreCreateWindow(cs);
}
// CCText2View 绘制
void CCText2View::OnDraw(CDC*pDC)
{
	CCText2Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	if (!pDoc)
		return;
	
	int rowCount ;
    CRect rect,tRect;
	
	GetClientRect(&rect);
    width=rect.Width();
	height=rect.Height();
    CDC* memDC=new CDC;
	memDC->CreateCompatibleDC(pDC);
	CBitmap* memBitMap=new CBitmap;
	memBitMap->CreateCompatibleBitmap(pDC,rect.right-rect.left,rect.bottom-rect.top);
	CBrush* pBrush=new CBrush;
	pBrush->CreateSolidBrush(RGB(255,255,255));
	CBitmap* pOldMap=memDC->SelectObject(memBitMap);
	
	memDC->FillRect(&rect,pBrush);
  
	CFont myFont;
	
	myFont.CreateFontIndirect(&m_lf);
	memDC->SelectObject(&myFont);
	TEXTMETRIC tmetric;
	memDC->GetTextMetrics(&tmetric);
	columnCount=width/(2*tmetric.tmAveCharWidth);
	size=(int)fabs((float)m_lf.lfHeight);
	//if(bModify)
	//{
	 rowCount=count(oldString,columnCount);
	// bModify=false;
	//}
	//else
   // rowCount=count(textString,columnCount);
	//rowCount=count(textString,columnCount);
	tRect.SetRect(posX,posY,posX+rect.Width(),posY+size*rowCount);
	
	if(posY<-size*(rowCount+1))
		posY=rect.Height()-1;
	
	//pDC->SetBkColor(RGB(255,0,0));
	memDC->SetTextColor(m_cTextColor);
	memDC->DrawText(textString,textString.GetLength(),&tRect,model);
	
    pDC->BitBlt(0,0,rect.right-rect.left,rect.bottom-rect.top,memDC,0,0,SRCCOPY);
	memDC->SelectObject(pOldMap);
	
	delete memBitMap;
	delete memDC;
	delete pBrush;
	ReleaseDC(pDC);
   
}
// CCText2View 打印
BOOL CCText2View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// 默认准备
	return DoPreparePrinting(pInfo);
}
void CCText2View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: 打印前添加额外的初始化
}
void CCText2View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: 打印后添加清除过程
}
int CCText2View::count(CString string,int rowNum)
{
 int i,length;
 int count=0;
 int countNum=0;//记录一行中字符的个数最多有rowNum个
 int line=0;
 char *la;
 int max=1;
// int add;
 CString tempString="";
 textString=string;
 length=textString.GetLength();
 
 la=new char[length];
 memcpy((void*)la,(void*)(textString.GetBuffer(length)),length*sizeof(char));
 
 CBitVector bArray(length);
 bArray.clearAll();
 
 
   /*if(countNum<columnCount)
   {
	   if(la[i]>=0&&la[i]<=255&&la[i]!='n')
	   countNum++;
	   else if(la[i]<0||la[i]>255)
	   {
	    countNum++;
		i++;
	   }
	   else {
		   count++;
		   countNum=0;
		   continue;
	    }
   }
   if(countNum==columnCount)
   {
	textString.Insert(i,"nr");
    countNum=0;
	count++;
   }
   if(count*size+posY>height*2)
   {   delete[]la;
   return count;}*/
 for(i=0;i<length;i++)
 { 
  line++;
  if(la[i]>=0&&la[i]<=255)
  { 
	  bArray.set(i,true);
  }
  if(la[i]=='n'&&la[i+1]=='r')
  {   count++;
      int charNumber=columnCount*2;
	  int lf=0;
	  lf=i;
	  
	  if(line>charNumber)
	  {
		 int k=(line-1)/charNumber;
		 if(!((line-1)%charNumber))k--;
		 
		 int b;
		 
		 for(int j=1;j<=k;j++)
		 {
		  b=0;
		  int m;
		
		  for(m=0;m<charNumber;m++)
			  if(!bArray[lf-line+1+(j-1)*charNumber+m])
			  {
				  b++;
				  max=m+1;
			  }
		 CString string0=textString.Mid(lf-line+1+(j-1)*charNumber,charNumber);
		 if(b%2){string0.Delete(string0.GetLength()-1);string0.Insert(string0.GetLength(),"n");lf--;}
		 else string0.Insert(string0.GetLength(),"n");
		 tempString+=string0;
		 count++;
		 }
		 int add=line-k*charNumber+(i-lf);
		 CString string1=textString.Mid(lf-line+1+k*charNumber,add);
		 tempString+=string1;
		 max=0;
	  }
	  else
	  {
	   CString string2=textString.Mid(i-line+1,line);
	   tempString+=string2;
	  }
	 line=0;
	if((count-1)*size+posY>height)
  	{   textString=tempString;
		delete[]la;
		return count;
	}
	
  }
 }
 textString=tempString;
 delete[]la;
 return count;
}
// CCText2View 诊断
#ifdef _DEBUG
void CCText2View::AssertValid() const
{
	CView::AssertValid();
}
void CCText2View::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}
CCText2Doc* CCText2View::GetDocument() const // 非调试版本是内联的
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CCText2Doc)));
	return (CCText2Doc*)m_pDocument;
}
#endif //_DEBUG
// CCText2View 消息处理程序
void CCText2View::OnTimer(UINT nIDEvent)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	posY--;
	//SetTimer(1,speed,NULL);
    Invalidate(false);
	CView::OnTimer(nIDEvent);
}
int CCText2View::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CView::OnCreate(lpCreateStruct) == -1)
		return -1;
   
	// TODO:  在此添加您专用的创建代码
	CRect rect;
	GetClientRect(&rect);
	posY=rect.Height()-1;
	OnMenu();
    SetTimer(1,speed,NULL);
	return 0;
}
void CCText2View::OnMenu()
{
	// TODO: 在此添加命令处理程序代码
	
	
	if(textDialog.DoModal()==IDOK)
	{
	 textString=textDialog.m_str;
	 oldString=textDialog.m_str;
	 if(textDialog.m_speed1>0)
		 speed=textDialog.m_speed1;
	 if(textDialog.m_iTextSize>0)
		 size=textDialog.m_iTextSize;
	 m_lf.lfHeight=size;
	  SetTimer(1,speed,NULL);
	
	}
}
BOOL CCText2View::OnEraseBkgnd(CDC* pDC)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	//OnEraseBkgnd(pDC);
    return true;
	
}
void CCText2View::OnMymenuFont()
{
	// TODO: 在此添加命令处理程序代码
	CFontDialog dlg;
	dlg.m_cf.lpLogFont=&m_lf;
	dlg.m_cf.rgbColors=m_cTextColor;
	dlg.m_cf.Flags|=CF_INITTOLOGFONTSTRUCT;
    bModify=true;
	if(dlg.DoModal()==IDOK)
	{
	 dlg.GetCurrentFont(&m_lf);
	 m_cTextColor=dlg.GetColor();
	 Invalidate();
	 }
	
}
void CCText2View::OnAlignLeft()
{
	// TODO: 在此添加命令处理程序代码
	model=0;
}
void CCText2View::OnAlignRight()
{
	// TODO: 在此添加命令处理程序代码
	model=2;
}
void CCText2View::OnAlinCenter()
{
	// TODO: 在此添加命令处理程序代码
	model=1;
}

						