happymaview.cpp

来自「同样是非常有用的东东哦！大家有机会都去看看啊！」· C++ 代码 · 共 251 行

// happymaView.cpp : implementation of the CHappymaView class
//

#include "stdafx.h"
#include "happyma.h"

#include "happymaDoc.h"
#include "happymaView.h"
#include "DengGJ.h"

#include <stdio.h>
#include <fstream.h>
#include <math.h>

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

/////////////////////////////////////////////////////////////////////////////
// CHappymaView

IMPLEMENT_DYNCREATE(CHappymaView, CView)

BEGIN_MESSAGE_MAP(CHappymaView, CView)
//{{AFX_MSG_MAP(CHappymaView)
ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
ON_COMMAND(ID_DGJ, OnDgj)
	ON_COMMAND(ID_SET_COLOR, OnSetColor)
	ON_WM_LBUTTONDOWN()
	//}}AFX_MSG_MAP
// Standard printing commands
ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CHappymaView construction/destruction

CHappymaView::CHappymaView()
{
	// TODO: add construction code here
    xty=5;
	temp=0;
	m_color=RGB(0,0,255);
}

CHappymaView::~CHappymaView()
{
}

BOOL CHappymaView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs
	
	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CHappymaView drawing

void CHappymaView::OnDraw(CDC* pDC)
{
	CHappymaDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	if(temp) 
	{
		Draw_H();
		pDC->TextOut(300,400,"地形图");
		pDC->TextOut(400,400,"11404432  马克");
	}
}

/////////////////////////////////////////////////////////////////////////////
// CHappymaView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CHappymaView diagnostics

#ifdef _DEBUG
void CHappymaView::AssertValid() const
{
	CView::AssertValid();
}

void CHappymaView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

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

/////////////////////////////////////////////////////////////////////////////
// CHappymaView message handlers


void CHappymaView::Draw_H()
{
	FILE *ma=fopen(str,"r");    
    if(ma==NULL)
	{ 
		MessageBox("文件打不开!");		
		exit(1);
	}  
	ifstream happy;
	happy.open (str,ios::in|ios::nocreate);  
	if(!happy)
	{
		cerr<<"文件打不开!"<<endl;
		exit(1);
	}  
	
	char str1[10];
	happy>>str1;
	int ke;
	happy>>ke;
	double x1,x2,y1,y2;
	char c;
	happy>>x1>>c>>x2>>c>>y1>>c>>y2;		
	CClientDC dc(this);
	dc.SetMapMode(MM_ANISOTROPIC);
	dc.SetWindowOrg(x1+7700,y1);//设置原点坐标
	
	dc.SetWindowExt(fabs(x1-x2)-9500,fabs(y1-y2)-2000);
	dc.SetViewportExt(900,400);
	
	CPen pen(0,10,RGB(255,0,0));
	CPen *oldpen=dc.SelectObject(&pen);
	dc.Rectangle(x1+7700,y1+100,x2-2400,y2-2100);
	dc.SelectObject(oldpen);

	while(true) 
	{
		int mark,drawt=0;int Hdraw=0;
		happy>>mark;
		if(mark==0) break;
		if(mark==71011) drawt=1;
		else drawt=2;		
		float h;
		happy>>h; 
		if(int(h)%xty==0) Hdraw=1;  //做了个标记，符合的才画
		int number;
		happy>>number;
		float sx,sy;
		char c;
		happy>>sx>>c>>sy;					
		if(drawt==1)
		{					
			for(int i=0;i<number-1;i++)
			{
				float x,y;char c;
				happy>>x>>c>>y;
				if(Hdraw)
				{
					dc.MoveTo(sx,sy);
					dc.LineTo(x,y);			
					sx=x;
					sy=y;
				}
			}
		}
		else if(drawt==2)
		{
			for(int j=0;j<number-1;j++)
			{
				float x,y;char c;
				happy>>x>>c>>y;
				if(Hdraw)
				{
					CPen pen(0,1,m_color);
					CPen *oldpen=dc.SelectObject(&pen);
					dc.MoveTo(sx,sy);
					dc.LineTo(x,y);			
					sx=x;
					sy=y;
					dc.SelectObject(oldpen);
				}
			}
		}
		else
			break;
	}						 	
}

void CHappymaView::OnFileOpen() 
{
	// TODO: Add your command handler code here
	CFileDialog dlg(TRUE);

	if(dlg.DoModal()==IDOK)
	{
		str=dlg.GetPathName();
		temp=1;
		Draw_H();
	}
}

void CHappymaView::OnDgj() 
{
	// TODO: Add your command handler code here
	CDengGJ  dlg;
	dlg.m_ndgjz=xty;
	if(dlg.DoModal()==IDOK)
	{
		xty=dlg.m_ndgjz;
	}
	
}

void CHappymaView::OnSetColor() 
{
	// TODO: Add your command handler code here
	CColorDialog  dlg;

	if(dlg.DoModal()==IDOK)
		m_color=dlg.GetColor();
	
}

void CHappymaView::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	Draw_H();
	CView::OnLButtonDown(nFlags, point);
}