www.pudn.com > Code.rar > TextView.cpp

// TextView.cpp : implementation of the CTextView class 
// 
 
#include "stdafx.h" 
#include "Text.h" 
 
#include "TextDoc.h" 
#include "TextView.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CTextView 
 
IMPLEMENT_DYNCREATE(CTextView, CView) 
 
BEGIN_MESSAGE_MAP(CTextView, CView) 
	//{{AFX_MSG_MAP(CTextView) 
	ON_WM_CREATE() 
	ON_WM_CHAR() 
	ON_WM_LBUTTONDOWN() 
	ON_WM_TIMER() 
	//}}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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTextView construction/destruction 
 
CTextView::CTextView() 
{ 
	// TODO: add construction code here 
	m_strLine=""; 
	m_ptOrigin=0; 
	m_nWidth=0; 
} 
 
CTextView::~CTextView() 
{ 
} 
 
BOOL CTextView::PreCreateWindow(CREATESTRUCT& cs) 
{ 
	// TODO: Modify the Window class or styles here by modifying 
	//  the CREATESTRUCT cs 
 
	return CView::PreCreateWindow(cs); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CTextView drawing 
 
void CTextView::OnDraw(CDC* pDC) 
{ 
	CTextDoc* pDoc = GetDocument(); 
	ASSERT_VALID(pDoc); 
	// TODO: add draw code for native data here 
	//CString str("维新科学技术培训中心"); 
	CString str; 
	str="维新科学技术培训中心"; 
	pDC->TextOut(50,50,str); 
 
	CSize sz=pDC->GetTextExtent(str); 
 
	str.LoadString(IDS_WEIXIN); 
	pDC->TextOut(0,200,str); 
 
	pDC->BeginPath(); 
	pDC->Rectangle(50,50,50+sz.cx,50+sz.cy); 
	pDC->EndPath(); 
	pDC->SelectClipPath(RGN_DIFF); 
	for(int i=0;i<300;i+=10) 
	{ 
		pDC->MoveTo(0,i); 
		pDC->LineTo(300,i); 
		pDC->MoveTo(i,0); 
		pDC->LineTo(i,300); 
	} 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CTextView printing 
 
BOOL CTextView::OnPreparePrinting(CPrintInfo* pInfo) 
{ 
	// default preparation 
	return DoPreparePrinting(pInfo); 
} 
 
void CTextView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add extra initialization before printing 
} 
 
void CTextView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add cleanup after printing 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CTextView diagnostics 
 
#ifdef _DEBUG 
void CTextView::AssertValid() const 
{ 
	CView::AssertValid(); 
} 
 
void CTextView::Dump(CDumpContext& dc) const 
{ 
	CView::Dump(dc); 
} 
 
CTextDoc* CTextView::GetDocument() // non-debug version is inline 
{ 
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTextDoc))); 
	return (CTextDoc*)m_pDocument; 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CTextView message handlers 
 
int CTextView::OnCreate(LPCREATESTRUCT lpCreateStruct)  
{ 
	if (CView::OnCreate(lpCreateStruct) == -1) 
		return -1; 
	 
	// TODO: Add your specialized creation code here 
	CClientDC dc(this); 
	TEXTMETRIC tm; 
	dc.GetTextMetrics(&tm); 
 
//	CreateSolidCaret(tm.tmAveCharWidth/8,tm.tmHeight); 
 
	 
	bitmap.LoadBitmap(IDB_BITMAP1); 
	CreateCaret(&bitmap); 
	ShowCaret(); 
 
	SetTimer(1,100,NULL); 
	return 0; 
} 
 
void CTextView::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)  
{ 
	// TODO: Add your message handler code here and/or call default 
	CClientDC dc(this); 
	CFont font; 
	font.CreatePointFont(300,"华文行楷",NULL); 
	CFont *pOldFont=dc.SelectObject(&font); 
	TEXTMETRIC tm; 
	dc.GetTextMetrics(&tm); 
	if(0x0d==nChar) 
	{ 
		m_strLine.Empty(); 
		m_ptOrigin.y+=tm.tmHeight; 
	} 
	else if(0x08==nChar) 
	{ 
		COLORREF clr=dc.SetTextColor(dc.GetBkColor()); 
		dc.TextOut(m_ptOrigin.x,m_ptOrigin.y,m_strLine); 
		m_strLine=m_strLine.Left(m_strLine.GetLength()-1); 
		dc.SetTextColor(clr); 
	} 
	else 
	{ 
		m_strLine+=nChar; 
	} 
	CSize sz=dc.GetTextExtent(m_strLine); 
 
	CPoint pt; 
	pt.x=m_ptOrigin.x+sz.cx; 
	pt.y=m_ptOrigin.y; 
 
	SetCaretPos(pt); 
	dc.TextOut(m_ptOrigin.x,m_ptOrigin.y,m_strLine); 
 
	dc.SelectObject(pOldFont); 
 
	CView::OnChar(nChar, nRepCnt, nFlags); 
} 
 
void CTextView::OnLButtonDown(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	SetCaretPos(point); 
	m_strLine.Empty(); 
	m_ptOrigin=point; 
	CView::OnLButtonDown(nFlags, point); 
} 
 
void CTextView::OnTimer(UINT nIDEvent)  
{ 
	// TODO: Add your message handler code here and/or call default 
	m_nWidth+=5; 
 
	CClientDC dc(this); 
	TEXTMETRIC tm; 
	dc.GetTextMetrics(&tm); 
	CRect rect; 
	rect.left=0; 
	rect.top=200; 
	rect.right=m_nWidth; 
	rect.bottom=rect.top+tm.tmHeight; 
 
	dc.SetTextColor(RGB(255,0,0)); 
	CString str; 
	str.LoadString(IDS_WEIXIN); 
	dc.DrawText(str,rect,DT_LEFT); 
 
	rect.top=150; 
	rect.bottom=rect.top+tm.tmHeight; 
	dc.DrawText(str,rect,DT_RIGHT); 
 
	CSize sz=dc.GetTextExtent(str); 
	if(m_nWidth>sz.cx) 
	{ 
		m_nWidth=0; 
		dc.SetTextColor(RGB(0,255,0)); 
		dc.TextOut(0,200,str); 
	} 
 
	CView::OnTimer(nIDEvent); 
}