// Draw2DGraphDlg.cpp : 實(shí)現(xiàn)文件
//

#include "stdafx.h"
#include "Draw2DGraph.h"
#include "Draw2DGraphDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

// CDraw2DGraphDlg 對話框

CDraw2DGraphDlg::CDraw2DGraphDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDraw2DGraphDlg::IDD, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CDraw2DGraphDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CDraw2DGraphDlg, CDialog)
#if defined(_DEVICE_RESOLUTION_AWARE) && !defined(WIN32_PLATFORM_WFSP)
	ON_WM_SIZE()
#endif
	//}}AFX_MSG_MAP
	ON_WM_TIMER()
END_MESSAGE_MAP()


// CDraw2DGraphDlg 消息處理程序

BOOL CDraw2DGraphDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// 設(shè)置此對話框的圖標(biāo)。當(dāng)應(yīng)用程序主窗口不是對話框時(shí)，框架將自動
	//  執(zhí)行此操作
	SetIcon(m_hIcon, TRUE);			// 設(shè)置大圖標(biāo)
	SetIcon(m_hIcon, FALSE);		// 設(shè)置小圖標(biāo)

	CRect rect;
	rect.left = 10;
	rect.top = 10;
	rect.right = 240;
	rect.bottom = 160;
	//創(chuàng)建曲線控件實(shí)例
	m_2DGraph.Create(_T(""),_T(""),WS_VISIBLE | WS_CHILD, rect, this,0,NULL) ; 
	m_pointCount = 0;
	//啟動添加點(diǎn)計(jì)時(shí)器
	SetTimer(1,1000,NULL);

	
	return TRUE;  // 除非將焦點(diǎn)設(shè)置到控件，否則返回 TRUE
}

#if defined(_DEVICE_RESOLUTION_AWARE) && !defined(WIN32_PLATFORM_WFSP)
void CDraw2DGraphDlg::OnSize(UINT /*nType*/, int /*cx*/, int /*cy*/)
{
	if (AfxIsDRAEnabled())
	{
		DRA::RelayoutDialog(
			AfxGetResourceHandle(), 
			this->m_hWnd, 
			DRA::GetDisplayMode() != DRA::Portrait ? 
			MAKEINTRESOURCE(IDD_DRAW2DGRAPH_DIALOG_WIDE) : 
			MAKEINTRESOURCE(IDD_DRAW2DGRAPH_DIALOG));
	}
}
#endif


//定時(shí)器消息處理函數(shù)
void CDraw2DGraphDlg::OnTimer(UINT_PTR nIDEvent)
{
	// TODO: 在此添加消息處理程序代碼和/或調(diào)用默認(rèn)值
	int nRandomY;

	//產(chǎn)生一個(gè)1到10的隨機(jī)數(shù)
	nRandomY = rand() % 10;

	//如果曲線點(diǎn)數(shù)大于10個(gè)點(diǎn)，則刪除第1個(gè)點(diǎn)。
	if (m_pointCount > 10 )
	{
		m_2DGraph.DeleteFirstPoint();
		m_pointCount--;
	}

	//給曲線添加點(diǎn)
	m_2DGraph.AppendPoint(nRandomY);	
	
	TRACE(L" y = %d \n",nRandomY);
	m_pointCount++;
	
	CDialog::OnTimer(nIDEvent);

}