www.pudn.com > ElectronicAlbums.rar > NumberText.cpp

// NumberText.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "eBookBrow.h" 
#include "NumberText.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CNumberText 
 
CNumberText::CNumberText() 
{ 
	m_strText = CString(_T("当前还未打开相册")); 
	m_bkColor = RGB(255, 255, 255); 
	m_textColor = RGB(0,0, 255); 
} 
 
CNumberText::~CNumberText() 
{ 
	if(m_compDC.GetSafeHdc() != NULL) 
	{ 
		m_compDC.DeleteDC(); 
	} 
	 
	if(m_bkDC.GetSafeHdc() != NULL) 
	{ 
		m_bkDC.DeleteDC(); 
	} 
} 
 
 
BEGIN_MESSAGE_MAP(CNumberText, CStatic) 
	//{{AFX_MSG_MAP(CNumberText) 
	ON_WM_PAINT() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CNumberText message handlers 
 
BOOL CNumberText::Create(DWORD style, const RECT& rect, CWnd* pParentWnd, UINT ID) 
{ 
	BOOL Result; 
	Result =  CStatic::Create(NULL, style, rect, pParentWnd, ID); 
	GetClientRect(m_Rect); 
     
	CPaintDC dc(this); 
	if(m_bkDC.GetSafeHdc() == NULL) 
	{ 
		m_bkDC.CreateCompatibleDC(&dc); 
		m_bkBitmap.CreateCompatibleBitmap(&dc, m_Rect.Width(), m_Rect.Height()); 
		m_bkDC.SelectObject(&m_bkBitmap); 
	} 
	if(m_compDC.GetSafeHdc() == NULL) 
	{ 
		m_compDC.CreateCompatibleDC(&dc); 
		m_compBitmap.CreateCompatibleBitmap(&dc, m_Rect.Width(), m_Rect.Height()); 
		m_compDC.SelectObject(&m_compBitmap); 
	} 
 
	DrawBK(); 
	return Result; 
 
} 
 
void CNumberText::UpdateText(int num, int maxNum) 
{ 
	m_strText.Format(_T("第%d页/共%d页"), num, maxNum); 
	DrawNumText(); 
} 
 
void CNumberText::DrawBK() 
{ 
	m_bkDC.FillSolidRect(&m_Rect, RGB(255, 255, 255)); 
	m_compDC.BitBlt(0,0,m_Rect.Width(), m_Rect.Height(), &m_bkDC, 0,0, SRCCOPY); 
	DrawNumText(); 
} 
 
void CNumberText::DrawNumText() 
{ 
	CFont font; 
	//font.CreateFont(50, 0, 0, 0, FW_BOLD, FALSE, FALSE, 0, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,  DEFAULT_PITCH | FF_SWISS, "Arial"); 
	VERIFY(font.CreateFont( 
		20,                        // nHeight 
		8,                         // nWidth 
		0,                         // nEscapement 
		0,                         // nOrientation 
		FW_BOLD,                 // nWeight 
		FALSE,                     // bItalic 
		FALSE,                     // bUnderline 
		0,                         // cStrikeOut 
		ANSI_CHARSET,              // nCharSet 
		OUT_DEFAULT_PRECIS,        // nOutPrecision 
		CLIP_DEFAULT_PRECIS,       // nClipPrecision 
		DEFAULT_QUALITY,           // nQuality 
		DEFAULT_PITCH | FF_SWISS,  // nPitchAndFamily 
		"Arial"));                 // lpszFacename 
 
    m_compDC.BitBlt(0,0,m_Rect.Width(), m_Rect.Height(), &m_bkDC, 0,0, SRCCOPY); 
	m_compDC.SetTextColor(m_textColor); 
	m_compDC.SelectObject(&font); 
	CSize strSize = m_compDC.GetTextExtent(m_strText); 
	m_compDC.TextOut((m_Rect.Width() - strSize.cx)/2,(m_Rect.Height() - strSize.cy)/2, m_strText); 
	font.DeleteObject(); 
	Invalidate(); 
} 
 
void CNumberText::OnPaint()  
{ 
	CPaintDC dc(this); // device context for painting 
	 
	// TODO: Add your message handler code here 
	dc.BitBlt(0, 0, m_Rect.Width(), m_Rect.Height(), &m_compDC, 0, 0, SRCCOPY); 
	// Do not call CStatic::OnPaint() for painting messages 
}