udpview.cpp

实验开发箱中自带的UCOS嵌入式系统实验源代码

// UDPView.cpp : implementation of the CUDPView class
//

#include "stdafx.h"
#include "UDP.h"

#include "UDPDoc.h"
#include "UDPView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CUDPView

IMPLEMENT_DYNCREATE(CUDPView, CView)

BEGIN_MESSAGE_MAP(CUDPView, CView)
	//{{AFX_MSG_MAP(CUDPView)
	ON_COMMAND(ID_CLEARSCREEN, OnClearscreen)
	ON_COMMAND(ID_ShowIPDialog, OnShowIPDialog)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CUDPView construction/destruction

CUDPView::CUDPView()
{
	// TODO: add construction code here
    IsClearnScreen=false;
	IsDrawing=false;
}

CUDPView::~CUDPView()
{
}

BOOL CUDPView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs
    //创建本地套接口
	m_sockRecv.Create(5000,SOCK_DGRAM);
	/////////////////////////////////////////////////////////////////

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CUDPView drawing

void CUDPView::OnDraw(CDC* pDC)
{
	CUDPDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	//定义坐标系
	pDC->SetMapMode(MM_ANISOTROPIC);
	pDC->SetWindowOrg(0,0);
	pDC->SetWindowExt(320,240);
	pDC->SetViewportOrg(125,75);
	pDC->SetViewportExt(480,360);
	//画边框
    /*pDC->MoveTo(0,0);
	pDC->LineTo(320,0);
	pDC->LineTo(320,240);
	pDC->LineTo(0,240);
	pDC->LineTo(0,0);*/
	//根据输入进行绘线
	for(int i=0;i<m_sockRecv.myarray.GetSize();i++)
	{
		if(m_sockRecv.myarray[i].x<0){
			IsDrawing=false;
		}
		else{
			if(IsDrawing){
				pDC->LineTo(m_sockRecv.myarray[i].x,m_sockRecv.myarray[i].y);
			}
			else{
				pDC->MoveTo(m_sockRecv.myarray[i].x,m_sockRecv.myarray[i].y);
			}
			IsDrawing=true;
		}
    }

	////////////////////////////////////////////////////////////////
}

/////////////////////////////////////////////////////////////////////////////
// CUDPView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CUDPView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CUDPView message handlers

void CUDPView::OnClearscreen() 
{
	// TODO: Add your command handler code here
	IsClearnScreen=true;
	//发送清屏命令
	//ARM端用于接收的端口比用于发送的端口小一
	int iSend=m_sockRecv.SendTo((int*)&IsClearnScreen,sizeof(int),m_sockRecv.uPort-1,m_sockRecv.szIP,0);
	m_sockRecv.myarray.RemoveAll();//删除数组中所有点
	Invalidate();
	IsClearnScreen=false;
	/////////////////////////////////////////////////////////////////
}

void CUDPView::OnShowIPDialog() 
{
	// TODO: Add your command handler code here
	SetIPDialog.DoModal();
	int test=1;
	int iSend=m_sockRecv.SendTo((int*)&test,sizeof(int),4998,SetIPDialog.m_IP,0);
}