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   源码介绍

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绘制点 线 椭圆 圆 正方形  曲线  不规则曲面 等  可以设置颜色等 

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "dr.h"

#include "MainFrm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
	ON_WM_CREATE()
	ON_COMMAND(ID_VIEW_DRAWBAR, OnViewDrawbar)
	ON_COMMAND(ID_VIEW_COLORBAR, OnViewColorbar)
	ON_UPDATE_COMMAND_UI(ID_VIEW_DRAWBAR, OnUpdateViewDrawbar)
	ON_UPDATE_COMMAND_UI(ID_VIEW_COLORBAR, OnUpdateViewColorbar)
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_XY,
	ID_INDICATOR_TIMER,
	ID_INDICATOR_CAPS,
	ID_INDICATOR_NUM,
	ID_INDICATOR_SCRL,
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	
}

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}


	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}



	if (!m_drawToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_LEFT
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_drawToolBar.LoadToolBar(IDR_DRAWTOOLBAR))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}

	if (!m_colorToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_RIGHT
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_colorToolBar.LoadToolBar(IDR_COLORTOOLBAR))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}
	
	
	
	
	


	// TODO: Delete these three lines if you don't want the toolbar to
	//  be dockable
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);

	m_drawToolBar.EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_drawToolBar);

	m_colorToolBar.EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_colorToolBar);


	/////////////////////////////////////////////////////////////////////

	SetTimer(1,1000,NULL);             //设置定时器  每隔一秒发送一个Timer消息

	CTime t=CTime::GetCurrentTime();
	CString str=t.Format("%H:%M:%S");
	CClientDC dc(this);
	CSize sz=dc.GetTextExtent(str);
	int index=0;
	index=m_wndStatusBar.CommandToIndex(ID_INDICATOR_TIMER); //获取ID_INDICATOR_TIMER索引值
	m_wndStatusBar.SetPaneInfo(index,ID_INDICATOR_TIMER,SBPS_NORMAL,sz.cx);
	m_wndStatusBar.SetPaneText(index,str);
	/////////////////////////////////////////////////////////////////////////////


	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers




void CMainFrame::OnViewDrawbar() 
{
	// TODO: Add your command handler code here
	if(m_drawToolBar.IsWindowVisible())
	{
		m_drawToolBar.ShowWindow(false);
	}

	else m_drawToolBar.ShowWindow(true);
	RecalcLayout();
	DockControlBar(&m_drawToolBar);
	
}
void CMainFrame::OnUpdateViewDrawbar(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->SetCheck(m_drawToolBar.IsWindowVisible());
}


void CMainFrame::OnViewColorbar() 
{
	// TODO: Add your command handler code here
	if(m_colorToolBar.IsWindowVisible())
	{
		m_colorToolBar.ShowWindow(false);
	}

	else m_colorToolBar.ShowWindow(true);
	RecalcLayout();
	DockControlBar(&m_colorToolBar);
	
}



void CMainFrame::OnUpdateViewColorbar(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->SetCheck(m_colorToolBar.IsWindowVisible());
}

void CMainFrame::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default

	CTime t=CTime::GetCurrentTime();
	CString str=t.Format("%H:%M:%S");
	CClientDC dc(this);
	CSize sz=dc.GetTextExtent(str);
	m_wndStatusBar.SetPaneInfo(2,ID_INDICATOR_TIMER,SBPS_NORMAL,sz.cx);
	m_wndStatusBar.SetPaneText(2,str);
	
	CFrameWnd::OnTimer(nIDEvent);
}