www.pudn.com > MyMp3sec.rar > ProgCtrl.cpp

// ProgCtrl.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "MyMp3sec.h" 
#include "ProgCtrl.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// ProgCtrl 
 
ProgCtrl::ProgCtrl() 
{ 
	pDCBack=new CDC; 
	//pDCFore=new CDC; 
	pDCGogogo=new CDC; 
	bmpBack.LoadBitmap(IDB_PROGRESSBACK); 
	//bmpFore.LoadBitmap(IDB_PROGRESSFORE); 
	bmpGogogo.LoadBitmap(IDB_MAN); 
} 
 
ProgCtrl::~ProgCtrl() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(ProgCtrl, CStatic) 
	//{{AFX_MSG_MAP(ProgCtrl) 
	ON_WM_PAINT() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// ProgCtrl message handlers 
 
void ProgCtrl::SetRange(int nLower, int nUpper) 
{ 
	m_nLower=nLower; 
	m_nUpper=nUpper; 
} 
 
int ProgCtrl::SetStep(int nStep) 
{ 
	m_nStep=nStep; 
	return 1; 
} 
 
int ProgCtrl::StepIt() 
{ 
	CRect tempRect=m_rect; 
	tempRect.left=(long)m_length*m_rect.Width(); 
	m_nPos+=m_nStep; 
	 
	if(m_nPos>=m_nUpper) 
	{ 
		m_nPos=0; 
		InvalidateRect(&tempRect); 
		return 1; 
	} 
	else 
	{ 
		InvalidateRect(&tempRect); 
		return 1; 
	} 
	 
	InvalidateRect(&tempRect); 
	return 1; 
} 
 
int ProgCtrl::SetPos(int nPos) 
{ 
	m_nPos=nPos; 
	return 1; 
} 
 
void ProgCtrl::OnPaint()  
{ 
	CPaintDC dc(this); // device context for painting 
	 
	// TODO: Add your message handler code here 
	m_length = (float)m_nPos/(m_nUpper-m_nLower); 
	GetClientRect(&m_rect); 
	pDCBack->CreateCompatibleDC(&dc); 
	//pDCFore->CreateCompatibleDC(&dc); 
	bmpBack.GetBitmap(&bmback); 
	//bmpFore.GetBitmap(&bmfore); 
	pDCBack->SelectObject(bmpBack); 
	dc.StretchBlt(0,0,m_rect.Width(),m_rect.Height(),pDCBack,0,0,bmback.bmWidth,bmback.bmHeight,SRCCOPY); 
	//(CBitmap*)pDCFore->SelectObject(bmpFore); 
	//dc.StretchBlt(0,0,m_rect.Width()*m_length,m_rect.Height(),pDCFore,0,0,bmfore.bmWidth*m_length,bmfore.bmHeight,SRCCOPY); 
	 
	pDCGogogo->CreateCompatibleDC(&dc); 
	bmpGogogo.GetBitmap(&bmgogogo); 
	pDCGogogo->SelectObject(bmpGogogo); 
	dc.StretchBlt(m_rect.Width()*m_length,0,m_rect.Height(),m_rect.Height(),pDCGogogo,0,0,bmgogogo.bmWidth,bmgogogo.bmHeight,SRCCOPY); 
 
	pDCBack->DeleteDC(); 
	//pDCFore->DeleteDC(); 
	pDCGogogo->DeleteDC(); 
	// Do not call CStatic::OnPaint() for painting messages 
} 
 
int ProgCtrl::GetPos() 
{ 
	return m_nPos; 
}