direction2view.cpp

数据结构求最短路径vc++ 实现手动作图

// direction2View.cpp : implementation of the CDirection2View class
//

#include "StdAfx.h"
#include "direction2.h"
#include "TsFont.h"
#include "direction2Doc.h"
#include "direction2View.h"
#include "Word.h"

#include  <afxwin.h> 
#include <windows.h>
#include <stdlib.h>

#include "str.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif



#define MAXSIDE     200



/////////////////////////////////////////////////////////////////////////////
// CDirection2View

IMPLEMENT_DYNCREATE(CDirection2View, CScrollView)

BEGIN_MESSAGE_MAP(CDirection2View, CScrollView)
//{{AFX_MSG_MAP(CDirection2View)
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	ON_WM_MOUSEMOVE()
	ON_COMMAND(ID_CHUSHIHUA, OnChushihua)
	ON_COMMAND(ID_COLORPEN, OnColorpen)
	ON_COMMAND(ID_COLORFILL, OnColorfill)
	ON_COMMAND(ID_PENSTYLE, OnPenstyle)
	ON_COMMAND(ID_RECTHW, OnRecthw)
	ON_UPDATE_COMMAND_UI(ID_RECTHW, OnUpdateRecthw)
	ON_MESSAGE(WM_CHANG_PEN,Setpenstyle)
	ON_MESSAGE(WM_RECT_CHANGE,Setrectwh)
	ON_WM_LBUTTONDBLCLK()
	ON_WM_KEYDOWN()
	ON_COMMAND(ID_SHUXING, OnShuxing)
	ON_MESSAGE(WM_CHANGE_RECTSHX,Onrectchange)
    ON_MESSAGE(WM_CHANGE_LINE,Onlinechange)
	ON_MESSAGE(WM_TEXT_CHANGE,WriteText)
	ON_COMMAND(ID_LOOK, OnLook)
	ON_COMMAND(ID_SHANCHU112, OnShanchu112)
	ON_COMMAND(ID_FANHUI, OnFanhui)
	ON_COMMAND(ID_SETBEDIN, OnSetbedin)
	ON_COMMAND(ID_SETLAST, OnSetlast)
	ON_UPDATE_COMMAND_UI(ID_PENSTYLE, OnUpdatePenstyle)
	ON_COMMAND(ID_BEGIN22, OnBegin22)
	ON_UPDATE_COMMAND_UI(ID_BEGIN22, OnUpdateBegin22)
	//}}AFX_MSG_MAP
// Standard printing commands
ON_COMMAND(ID_FILE_PRINT, CScrollView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_DIRECT, CScrollView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, CScrollView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDirection2View construction/destruction

CDirection2View::CDirection2View()
{
	// TODO: add construction code here
	m_text.lfHeight = 17;
	m_text.lfWidth = 0;
	m_text.lfEscapement=0;
	
	m_text.lfOrientation =0;
	m_text.lfWeight = FW_NORMAL;
	m_text.lfItalic = FALSE;
	m_text.lfUnderline = FALSE;
	m_text.lfStrikeOut = FALSE;
    m_text.lfCharSet= GB2312_CHARSET;
	m_text.lfOutPrecision = OUT_STROKE_PRECIS;
	m_text.lfClipPrecision = CLIP_STROKE_PRECIS;
	m_text.lfQuality = DRAFT_QUALITY;
	m_text.lfPitchAndFamily = VARIABLE_PITCH|FF_MODERN;
	strcpy(m_text.lfFaceName,"仿宋_GB2312" );
	
    m_cTextColor=RGB(0,0,0);  //黑色
	m_FillColor = RGB(0,0,0);//填充颜色
	m_PenColor = RGB(0,0,0);//画笔颜色
	m_CurrentLineStyle = PS_DOT; // 直线式样
	m_CurrentPenThickness = 1; //画笔宽度  直线的宽度

     recrwidth=10;
     rectchang=10;

     selectindex=-1;     //开始默认为第一个被选中






    m_Dragging=0;          //鼠标左键是否按下
    m_IsRect=FALSE;           //是否绘制Focus矩形 
    m_hArrow = AfxGetApp()->LoadStandardCursor(IDC_ARROW);        //箭头光标
    m_hCross = AfxGetApp()->LoadStandardCursor(IDC_CROSS);        //十字光标
	m_PenDotted.CreatePen(PS_SOLID,1,RGB(0,0,0));        //画笔
    lindex1=-1;
	lindex2=-1;
	index=-1;
	type=-1;

    m_begin=-1;                //最短路径的起点

    m_last=-1; 
}

CDirection2View::~CDirection2View()
{
}


void CDirection2View::Onrectchange(WPARAM wParam ,LPARAM lParam)
{
//收到矩形改变时，应该更新矩形的属性，
	CRectFill *rectfill;
	CDirection2Doc* pDoc = GetDocument();

	selectindex =(int)lParam;
    rectfill = (CRectFill *)pDoc->GetDraw(selectindex);
    rectfill->m_height = m_rectset->m_high;
    rectfill->m_width  =m_rectset->m_width;
	rectfill->m_name   =m_rectset->m_name;
	rectfill->m_rectfillcolor=m_rectset->m_incolor;
	rectfill->m_rectcolor    =m_rectset->m_sidecolor;
	rectfill->m_color        =m_rectset->m_textcolor;
	rectfill->m_text         =m_rectset->m_text;
	rectfill->SetZhi(m_rectset->m_zhi);


	//判断是否已经设计为起点 或 是终点

	if((m_rectset->m_begin).GetCheck())
	m_begin=selectindex;
	else if((m_rectset->m_over).GetCheck())
       m_last=selectindex;

      //并更新矩形的显示



        CClientDC ClientDC(this);
		
		OnPrepareDC(&ClientDC);
	
		ClientDC.SelectObject(&m_PenDotted);
		
		ClientDC.SetROP2(R2_NOT);
 		
 		ClientDC.SetBkMode(TRANSPARENT);
		
		ClientDC.SelectStockObject(NULL_BRUSH);


         ClientDC.SetROP2(R2_COPYPEN);
         this->Invalidate();		
         OnDraw(&ClientDC);	

}
void CDirection2View::Onlinechange(WPARAM wParam ,LPARAM lParam)
{
//收到直线改变时，应该更新直线的属性，

 
	CLine *line;
	CDirection2Doc* pDoc = GetDocument();
    
	selectindex =(int)lParam;

    line = (CLine *)pDoc->GetDraw(selectindex);

    line->linewidth  =m_lineset->m_linewidth;
	line->m_name   =m_lineset->m_name;
	line->m_linecolor=m_lineset->m_linecolor;
	line->m_linestyle    =(m_lineset->m_linestyle).GetCurSel();
	line->m_color        =m_lineset->m_textcolor;
	line->m_text         =m_lineset->m_text;  
	line->SetZhi(m_lineset->m_zhi); 

//并更新直线的显示

       CClientDC ClientDC(this);
		
		OnPrepareDC(&ClientDC);
	
		ClientDC.SelectObject(&m_PenDotted);
		
		ClientDC.SetROP2(R2_NOT);
 		
 		ClientDC.SetBkMode(TRANSPARENT);
		
		ClientDC.SelectStockObject(NULL_BRUSH);


         ClientDC.SetROP2(R2_COPYPEN);
         this->Invalidate();		
         OnDraw(&ClientDC);	

}










BOOL CDirection2View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs
	
	m_ClassName = AfxRegisterWndClass(CS_HREDRAW|CS_VREDRAW,0,
		(HBRUSH) :: GetStockObject(WHITE_BRUSH),0);
	cs.lpszClass = m_ClassName;
	
	return CScrollView::PreCreateWindow(cs);
}




void CDirection2View::OnDraw(CDC* pDC)
{
	CDirection2Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	
	
	
	
	//得到视图窗口的
	CSize ScrollSize = GetTotalSize();
	
	//在视图窗口显示绘图区域
	
	pDC->MoveTo(ScrollSize.cx,0);
	pDC->LineTo(ScrollSize.cx,ScrollSize.cy);
	pDC->LineTo(0,ScrollSize.cy);
	CRect ClipRect;
	CRect DimRect;
	CRect IntRect;
	CBasepic *pDraw;
	pDC->GetClipBox(&ClipRect);
	
	int NumDraws = pDoc->GetDrawnum();
	
	
	
	for(int Index = 0; Index < NumDraws;++Index)
	{
		pDraw = (CBasepic *)pDoc->GetDraw(Index);
		DimRect = pDraw->GetDimRect();
   // 	if(IntRect.IntersectRect(DimRect,ClipRect))   //判断当前矩形是否在此矩形内
        	pDraw->Draw(pDC);

	}
}

void CDirection2View::OnInitialUpdate()
{
	CScrollView::OnInitialUpdate();
	
    CDirection2Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	// include   afxwin.h   这个文件的.     
	
 
	//GetWindowRect(&rcWin);   
	//  rcWin.Wdith();   
	// rcWin.Heigth();
	
	//CClientDC dc(this);     //创建的图形DC
	// int width = dc.GetDeviceCaps(HORZRES);//获取屏幕宽度
	// int height = dc.GetDeviceCaps(VERTRES);//获取屏幕高度


	CRect   rcWin;  //获取窗口矩形域 	
	GetWindowRect( &rcWin ); //rect是gameFrame的公有成员，CRect类型,获取窗口大小
	HDC   screenDC;   
	screenDC = CreateDC("DISPLAY",   NULL,   NULL,   NULL);   
   
	int   nLogDPIX   =   GetDeviceCaps(screenDC,   HORZRES);   
	int   nLogDPIY   =   GetDeviceCaps(screenDC,   VERTRES);   
    
	DeleteDC(screenDC);

	
   CSize sizeTotal;

	sizeTotal.cx = nLogDPIX;   
	
	sizeTotal.cy = nLogDPIY;
	SetScrollSizes(MM_TEXT, sizeTotal);



     m_huitu=new CZUOTU(this);//创建初始化的设计窗口


	 if(m_huitu !=NULL)
	 {
		 m_huitu->Create(IDD_HUITU,this);
	 //显示对话框
         m_huitu->Setinfo(m_CurrentPenThickness,m_CurrentLineStyle);
		// m_huitu->ShowWindow(SW_SHOW);
	 
	 
	 }
	 else
		 MessageBox("创建窗口对象失败","错误",MB_OK);

	     m_rect=new CRECTHW(this);//创建初始化的设计窗口

	 if(m_huitu !=NULL)
	 {
		 m_rect->Create(IDD_RECTHW,this);
	 //显示对话框

         m_rect->Setinfo(recrwidth,rectchang);
		//m_rect->ShowWindow(SW_SHOW);
	 
	 
	 }
	 else
		 MessageBox("创建窗口对象失败","错误",MB_OK);


 // CRectSet *m_rectset;
 // cTextSet *m_textset;

 m_rectset=new CRectSet(this);//创建初始化的设计窗口
	 if(m_rectset !=NULL)

		 m_rectset->Create(IDD_RECT,this);

	 else
		 MessageBox("创建窗口对象失败","错误",MB_OK);



 m_lineset=new CLineSet(this);//创建初始化的设计窗口


	 if(m_lineset !=NULL)

		 m_lineset->Create(IDD_LINE,this);

	 else
		 MessageBox("创建窗口对象失败","错误",MB_OK);






m_textset=new CWord(this);//创建初始化的设计窗口
	 if(m_textset !=NULL)

		 m_textset->Create(IDD_DIALOG1,this);

	 else
		 MessageBox("创建窗口对象失败","错误",MB_OK);






}


/////////////////////////////////////////////////////////////////////////////
// CDirection2View printing

BOOL CDirection2View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CDirection2View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CDirection2View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}


/////////////////////////////////////////////////////////////////////////////
// CDirection2View diagnostics

#ifdef _DEBUG
void CDirection2View::AssertValid() const
{
	CScrollView::AssertValid();
}

void CDirection2View::Dump(CDumpContext& dc) const
{
	CScrollView::Dump(dc);
}

CDirection2Doc* CDirection2View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDirection2Doc)));
	return (CDirection2Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CDirection2View message handlers



void CDirection2View::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CClientDC ClientDC(this);   //定义一个DC对象
	OnPrepareDC(&ClientDC);
	
	CDirection2App *pApp = (CDirection2App *)AfxGetApp();
	if(m_IsRect)
 	{
 		CDC *pDC = GetDC();
 	 	CRect rect(m_PointOrigin.x,m_PointOrigin.y,m_PointOld.x,m_PointOld.y);
        rect.NormalizeRect();
		pDC->DrawFocusRect(rect);
		ReleaseDC(pDC);
		m_IsRect = FALSE;	
 	}
	
  if(pApp->m_CurrentTool==ID_DRAW_SELECT)
 	ClientDC.DPtoLP(&point); //转化逻辑坐标
 	
 	
    CSize ScrollSize = GetTotalSize();
 	CRect ScrollRect(0,0,ScrollSize.cx,ScrollSize.cy);
 	if(!ScrollRect.PtInRect(point)) return;  //判断鼠标是否在绘图区域内
 


	CDirection2Doc *pDoc = GetDocument();
 	CBasepic *pDraw;
 	CRect rect;
 	
 	/////////////////////////////////////////////////
 	//在此要实现 判断点中的是否在矩形里 而且是在  SELECT 或 LINE 直线 的情况下
 	if(pApp->m_CurrentTool ==ID_DRAW_SELECT)
	{    int i;
 		int num = pDoc->GetDrawnum();
 		for( i=num;i>0;i--)
		{
			pDraw = pDoc->GetDraw(i-1);
 			rect = pDraw ->GetDimRect();
 			if(rect.PtInRect(point))
 			{ index=i-1;
	          selectindex=index;           //所选择的对象的索引
			  pDraw -> Setselete(true);    /// 缺点为当对象重合时会选择多个对象
			  break;
			}
			else
          pDraw ->Setselete(false);
		}



      if(i>1)
      {
	  for(int j=i-2;j>=0;j--)
	  {pDraw = pDoc->GetDraw(j);
   	   pDraw -> Setselete(false); 
	  }

	  }
  if(i==0)
  selectindex=-1;