www.pudn.com > Observerwangdxh.zip > Filler.cpp

#include "Stdafx.h" 
#include "Filler.h" 
 
// CFiller - Implementation 
 
CFiller::CFiller() 
{ 
	m_csText			= _T(""); 
	m_nMinVal			= 0; 
	m_nMaxVal			= 100; 
	m_nPos				= 0; 
	m_FillerColor		= RGB( 0, 0, 255 ); 
	m_FillerBkColor		= RGB( 255, 0, 0 ); 
	m_FillerTextColor	= RGB( 255, 255, 255 ); 
} 
 
CFiller::~CFiller() 
{ 
} 
 
INT CFiller::SetFillerText( LPCSTR lpszText ) 
{ 
	// Step 1 - Set Filler Text 
	m_csText = lpszText; 
	return SUCCESS; 
} 
 
INT CFiller::SetFillerRange( INT nMinVal, INT nMaxVal ) 
{ 
	// Step 1 - Set MinVal and MaxVal after validating 
	if( nMaxVal <= nMinVal ) 
	{ 
		return FAILURE; 
	} 
	m_nMinVal = nMinVal; 
	m_nMaxVal = nMaxVal; 
	return SUCCESS; 
} 
 
INT CFiller::GetFillerPos() 
{ 
	// Step 1 - Return m_nPos 
	return m_nPos; 
} 
 
INT CFiller::SetFillerPos( INT nPos ) 
{ 
	// Step 1 - Validate pos before setting 
	if( nPos < m_nMinVal || nPos > m_nMaxVal ) 
	{ 
		return FAILURE; 
	} 
	// Step 2 - Store old filler pos 
	INT nOldPos = m_nPos; 
	// Step 3 - Set m_nPos 
	m_nPos = nPos; 
	// Step 4 - Return old filler pos 
	return nOldPos; 
} 
 
COLORREF CFiller::SetFillerColor( COLORREF & rFillerColor ) 
{ 
	// Step 1 - Store old color 
	COLORREF OldFillerColor = m_FillerColor; 
	// Step 2 - Set m_FillerColor 
	m_FillerColor = rFillerColor; 
	// Step 3 - Return old filler color 
	return OldFillerColor; 
} 
 
COLORREF CFiller::SetFillerBkColor( COLORREF & rFillerBkColor ) 
{ 
	// Step 1 - Store old bk color 
	COLORREF OldFillerBkColor = m_FillerBkColor; 
	// Step 2 - Set m_FillerBkColor 
	m_FillerBkColor = rFillerBkColor; 
	// Step 3 - Return old filler bk color 
	return OldFillerBkColor; 
} 
 
COLORREF CFiller::SetFillerTextColor( COLORREF & rFillerTextColor ) 
{ 
	// Step 1 - Store old text color 
	COLORREF OldFillerTextColor = m_FillerTextColor; 
	// Step 2 - Set m_FillerTextColor 
	m_FillerTextColor = rFillerTextColor; 
	// Step 3 - Return old filler text color 
	return OldFillerTextColor; 
} 
 
// CLtoRFiller - Implementation 
 
CLToRFiller::CLToRFiller() : CFiller() 
{ 
} 
 
CLToRFiller::~CLToRFiller() 
{ 
} 
 
INT CLToRFiller::DoFill( CWnd * pWnd, const CRect & rRect ) 
{ 
	CRect Rect = rRect; 
	// Step 1 - Validate window pointer 
	ASSERT( IsWindow( pWnd->m_hWnd ) ); 
 
	// Step 2 - Calculate Fill Area 
	INT nRight = 0; 
	nRight = ( rRect.Width() * m_nPos ) / ( m_nMaxVal - m_nMinVal ); 
	CRect FillArea( rRect.left, rRect.top, nRight, rRect.bottom ); 
	CRect RemainingArea( nRight, rRect.top, rRect.right, rRect.bottom ); 
	CDC * pDC = pWnd->GetDC(); 
	pDC->FillSolidRect( FillArea, m_FillerColor ); 
	pDC->FillSolidRect( RemainingArea, m_FillerBkColor ); 
 
	// Step 3 - Display text provided or the default % 
	if( m_csText.IsEmpty() == FALSE ) 
	{ 
		pDC->SetBkMode( TRANSPARENT ); 
		pDC->SetTextColor( m_FillerTextColor ); 
		pDC->DrawText( m_csText, m_csText.GetLength(),  
			Rect, DT_CENTER | DT_WORDBREAK | DT_VCENTER | DT_SINGLELINE );  
	} 
	else if( m_nPos > 0 ) 
	{ 
		CHAR szText[ 512 ]; 
 
		memset( szText, 0, sizeof( szText ) ); 
		INT nPercent = ( INT )( ( ( double ) m_nPos / ( double ) m_nMaxVal ) * 100 ); 
		sprintf( szText, "%d%%", nPercent ); 
		pDC->SetBkMode( TRANSPARENT ); 
		pDC->SetTextColor( m_FillerTextColor ); 
		pDC->DrawText( szText, strlen( szText ),  
			Rect, DT_CENTER | DT_WORDBREAK | DT_VCENTER | DT_SINGLELINE );  
	} 
	pWnd->ReleaseDC( pDC ); 
	return SUCCESS; 
} 
 
 
// CRToLFiller - Implementation 
 
CRToLFiller::CRToLFiller() : CFiller() 
{ 
} 
 
CRToLFiller::~CRToLFiller() 
{ 
} 
 
INT CRToLFiller::DoFill( CWnd * pWnd, const CRect & rRect ) 
{ 
	CRect Rect = rRect; 
	// Step 1 - Validate window pointer 
	ASSERT( IsWindow( pWnd->m_hWnd ) ); 
 
	// Step 2 - Calculate Fill Area 
	INT nLeft = 0; 
	nLeft = ( rRect.Width() * m_nPos ) / ( m_nMaxVal - m_nMinVal ); 
	nLeft = rRect.Width() - nLeft; 
	CRect FillArea( nLeft, rRect.top, rRect.right, rRect.bottom ); 
	CRect RemainingArea( rRect.left, rRect.top, nLeft, rRect.bottom ); 
	CDC * pDC = pWnd->GetDC(); 
	pDC->FillSolidRect( FillArea, m_FillerColor ); 
	pDC->FillSolidRect( RemainingArea, m_FillerBkColor ); 
	 
	// Step 3 - Display text provided or the default % 
	if( m_csText.IsEmpty() == FALSE ) 
	{ 
		pDC->SetBkMode( TRANSPARENT ); 
		pDC->SetTextColor( m_FillerTextColor ); 
		pDC->DrawText( m_csText, m_csText.GetLength(),  
			Rect, DT_CENTER | DT_WORDBREAK | DT_VCENTER | DT_SINGLELINE );  
 	} 
	else if( m_nPos > 0 ) 
	{ 
		CHAR szText[ 512 ]; 
 
		memset( szText, 0, sizeof( szText ) ); 
		INT nPercent = ( INT )( ( ( double ) m_nPos / ( double ) m_nMaxVal ) * 100 ); 
		sprintf( szText, "%d%%", nPercent ); 
		pDC->SetBkMode( TRANSPARENT ); 
		pDC->SetTextColor( m_FillerTextColor ); 
		pDC->DrawText( szText, strlen( szText ),  
			Rect, DT_CENTER | DT_WORDBREAK | DT_VCENTER | DT_SINGLELINE );  
	} 
	pWnd->ReleaseDC( pDC ); 
	return SUCCESS; 
}