creditstatic.cpp

一个完整的源代码统计器

		COLORREF col;

		switch(m_Gradient) {
		case GRADIENT_RIGHT_DARK:
			col = RGB((int)(R-iOnBand*fRStep),(int)(G-iOnBand*fGStep),(int)(B-iOnBand*fBStep));
			break;
		case GRADIENT_RIGHT_LIGHT:
			col = RGB((int)(R+iOnBand*fRStep),(int)(G+iOnBand*fGStep),(int)(B+iOnBand*fBStep));
			break;
		case GRADIENT_LEFT_DARK:
			col = RGB((int)(iOnBand*fRStep),(int)(iOnBand*fGStep),(int)(iOnBand*fBStep));
			break;
		case GRADIENT_LEFT_LIGHT:
			col = RGB(255-(int)(iOnBand*fRStep),255-(int)(iOnBand*fGStep),255-(int)(iOnBand*fBStep));
			break;
		default:
			return;
		}
		pDC->FillSolidRect(&r, col);
	}
	pDC->SetBkColor(OldCol);
} 

#define SCROLLDC

void CCreditStatic::MoveCredit(CDC* pDC, CRect& m_ScrollRect, CRect& m_ClientRect, BOOL bCheck)
{
	CDC memDC,memDC2;
    memDC.CreateCompatibleDC(pDC);
    memDC2.CreateCompatibleDC(pDC);
    
	COLORREF BackColor = (m_bTransparent && m_bitmap.m_hObject != NULL)? RGB(192,192,192) : m_Colors[BACKGROUND_COLOR];
	CBitmap *pOldMemDCBitmap = NULL;
	CBitmap	*pOldMemDC2Bitmap = NULL;

#ifdef SCROLLDC
	CRect r1;
#endif

	if(m_BmpMain.m_hObject == NULL) {
		m_BmpMain.CreateCompatibleBitmap( pDC, m_ScrollRect.Width(), m_ScrollRect.Height() );
		pOldMemDCBitmap = (CBitmap*)memDC.SelectObject(&m_BmpMain);
		if(m_Gradient && m_bitmap.m_hObject == NULL)
			FillGradient(&memDC, &m_ScrollRect, &m_ScrollRect,m_Colors[BACKGROUND_COLOR]);
		else
			memDC.FillSolidRect(&m_ScrollRect,BackColor);
	} else 
		pOldMemDCBitmap = (CBitmap*)memDC.SelectObject(&m_BmpMain);

	if(m_ClientRect.Width() > 0) {
#ifndef SCROLLDC
		CBitmap bitmap;
		bitmap.CreateCompatibleBitmap( pDC, m_ClientRect.Width(), m_ClientRect.Height() );
		pOldMemDC2Bitmap = memDC2.SelectObject(&bitmap);

		memDC2.BitBlt( 0, 0, m_ClientRect.Width(), m_ClientRect.Height()-abs(m_ScrollAmount), 
           	 &memDC, m_ClientRect.left, abs(m_ScrollAmount), SRCCOPY );
		memDC.BitBlt( m_ClientRect.left, 0, m_ClientRect.Width(), m_ClientRect.Height(), 
           	 &memDC2, 0, 0, SRCCOPY );

		
		memDC2.SelectObject(pOldMemDC2Bitmap);
		pOldMemDC2Bitmap = NULL;
#else
		CRgn RgnUpdate;
		memDC.ScrollDC(0,m_ScrollAmount,(LPCRECT)m_ScrollRect,(LPCRECT)m_ClientRect,&RgnUpdate,
						(LPRECT)r1);
    }
	else {
		r1 = m_ScrollRect;
		r1.top = r1.bottom-abs(m_ScrollAmount);
#endif
	}

	m_nClip = m_nClip + abs(m_ScrollAmount);	
	

	//*********************************************************************
	//	FONT SELECTION
    CFont m_fntArial;
	CFont* pOldFont = NULL;
	BOOL bSuccess = FALSE;
	
	BOOL bUnderline;
	BOOL bItalic;
    int rmcode = 0;

	if (!m_szWork.IsEmpty()) {
		char c = m_szWork[m_szWork.GetLength()-1];
		if(c == m_Escapes[TOP_LEVEL_GROUP]) {
			rmcode = 1;
			bItalic = FALSE;
			bUnderline = FALSE;
			m_nCurrentFontHeight = m_TextHeights[TOP_LEVEL_GROUP_HEIGHT];
   			bSuccess = m_fntArial.CreateFont(MulDiv(10, -memDC.GetDeviceCaps (LOGPIXELSY), 
					72),0,0,0,FW_NORMAL,0,0,0,DEFAULT_CHARSET, 
					OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY, 
					DEFAULT_PITCH | FF_SWISS, _T("宋体"));
			memDC.SetTextColor(m_Colors[TOP_LEVEL_GROUP_COLOR]);
			if (pOldFont != NULL) memDC.SelectObject(pOldFont);
			pOldFont = memDC.SelectObject(&m_fntArial);
			
		}
		else if(c == m_Escapes[GROUP_TITLE]) {
			rmcode = 1;
			bItalic = FALSE;
			bUnderline = FALSE;
			m_nCurrentFontHeight = m_TextHeights[GROUP_TITLE_HEIGHT];
   			bSuccess = m_fntArial.CreateFont(MulDiv(10, -memDC.GetDeviceCaps (LOGPIXELSY), 
					72),0,0,0,FW_NORMAL,0,0,0,DEFAULT_CHARSET, 
					OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY, 
					DEFAULT_PITCH | FF_SWISS, _T("宋体"));
			memDC.SetTextColor(m_Colors[GROUP_TITLE_COLOR]);
			if (pOldFont != NULL) memDC.SelectObject(pOldFont);
			pOldFont = memDC.SelectObject(&m_fntArial);
		}
		else if(c == m_Escapes[TOP_LEVEL_TITLE]) {
			rmcode = 1;
			bItalic = FALSE;
//			bUnderline = TRUE;
			bUnderline = FALSE;
			m_nCurrentFontHeight = m_TextHeights[TOP_LEVEL_TITLE_HEIGHT];
			bSuccess = m_fntArial.CreateFont(MulDiv(10, -memDC.GetDeviceCaps (LOGPIXELSY), 
					72),0,0,0,FW_NORMAL,0,0,0,DEFAULT_CHARSET, 
					OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY, 
					DEFAULT_PITCH | FF_SWISS, _T("宋体"));
			memDC.SetTextColor(m_Colors[TOP_LEVEL_TITLE_COLOR]);
			if (pOldFont != NULL) memDC.SelectObject(pOldFont);
			pOldFont = memDC.SelectObject(&m_fntArial);
		}
		else if(c == m_Escapes[DISPLAY_BITMAP]) {
			if (!m_bProcessingBitmap)
			{
				CString szBitmap = m_szWork.Left(m_szWork.GetLength()-1);
				if(m_bmpWork.LoadBitmap((const char *)szBitmap)) {
					BITMAP 		m_bmpInfo;

	   				m_bmpWork.GetObject(sizeof(BITMAP), &m_bmpInfo);
			
					m_size.cx = m_bmpInfo.bmWidth;	// width  of dest rect
					m_size.cy = m_bmpInfo.bmHeight;
					// upper left point of dest
					m_pt.x = (m_ClientRect.right - 
							((m_ClientRect.Width())/2) - (m_size.cx/2));
					m_pt.y = m_ClientRect.bottom;
				
					m_bProcessingBitmap = TRUE;
					if (pOldMemDC2Bitmap != NULL) memDC2.SelectObject(pOldMemDC2Bitmap);
					pOldMemDC2Bitmap = memDC2.SelectObject(&m_bmpWork);
				}
				else
					c = ' ';
			}
			else {
				if (pOldMemDC2Bitmap != NULL) memDC2.SelectObject(pOldMemDC2Bitmap);
				pOldMemDC2Bitmap = memDC2.SelectObject(&m_bmpWork);
			}
		}
		else {
			bItalic = FALSE;
			bUnderline = FALSE;
			m_nCurrentFontHeight = m_TextHeights[NORMAL_TEXT_HEIGHT];
   			bSuccess = m_fntArial.CreateFont(m_TextHeights[NORMAL_TEXT_HEIGHT], 0, 0, 0, 
   								FW_THIN, bItalic, bUnderline, 0, 
   								ANSI_CHARSET,
                   	OUT_DEFAULT_PRECIS,
                   	CLIP_DEFAULT_PRECIS,
                   	PROOF_QUALITY,
                   	VARIABLE_PITCH | 0x04 | FF_DONTCARE,
                   	(LPSTR)"宋体");
			memDC.SetTextColor(m_Colors[NORMAL_TEXT_COLOR]);
			if (pOldFont != NULL) memDC.SelectObject(pOldFont);
			pOldFont = memDC.SelectObject(&m_fntArial);
		}
	}

#ifndef SCROLLDC
	CRect r1(m_ScrollRect);
	r1.top = r1.bottom-abs(m_ScrollAmount);
#endif

	if(m_Gradient && m_bitmap.m_hObject == NULL)
		FillGradient(&memDC, &m_ScrollRect, &r1, m_Colors[BACKGROUND_COLOR]);
	else
		memDC.FillSolidRect(&r1,BackColor);
	memDC.SetBkMode(TRANSPARENT);

	if (!m_bProcessingBitmap)
	{
		if(bCheck) {
			CSize size = memDC.GetTextExtent((LPCTSTR)m_szWork,m_szWork.GetLength()-rmcode);
			if(size.cx > n_MaxWidth) {
				n_MaxWidth = (size.cx > m_ScrollRect.Width())? m_ScrollRect.Width():size.cx;
				m_ClientRect.left = (m_ScrollRect.Width()-n_MaxWidth)/2;
				m_ClientRect.right = m_ClientRect.left + n_MaxWidth;
			}
				
		}
		CRect r(m_ClientRect);
		r.top = r.bottom-m_nClip;
		int x = memDC.DrawText((const char *)m_szWork,m_szWork.GetLength()-rmcode,&r,DT_TOP|DT_CENTER|
					DT_NOPREFIX | DT_SINGLELINE);	
		m_bDrawText=FALSE;
	}
	else
	{
		if(bCheck) {
			CSize size = memDC.GetTextExtent((LPCTSTR)m_szWork,m_szWork.GetLength()-rmcode);
			if(m_size.cx > n_MaxWidth) {
				n_MaxWidth = (m_size.cx > m_ScrollRect.Width())? m_ScrollRect.Width():m_size.cx;
				m_ClientRect.left = (m_ScrollRect.Width()-n_MaxWidth)/2;
				m_ClientRect.right = m_ClientRect.left + n_MaxWidth;
			}
		}
		CRect r( m_pt.x, m_pt.y-m_nClip, m_pt.x+ m_size.cx, m_pt.y);
		DrawBitmap(&memDC, &memDC2, &r);
//    	memDC.BitBlt( m_pt.x, m_pt.y-m_nClip, m_size.cx, m_nClip, 
//           		&memDC2, 0, 0, SRCCOPY );
		if (m_nClip >= m_size.cy)
		{
			m_bmpWork.DeleteObject();
			m_bProcessingBitmap = FALSE;
			m_nClip=0;
			m_szWork.Empty();
			m_nCounter=1;
		}
	}

	if (pOldMemDC2Bitmap != NULL) memDC2.SelectObject(pOldMemDC2Bitmap);
	if (pOldFont != NULL) memDC.SelectObject(pOldFont);
	memDC.SelectObject(pOldMemDCBitmap);
	if(m_fntArial.GetSafeHandle()!=NULL)
		m_fntArial.DeleteObject();
}

void CCreditStatic::DrawCredit(CDC* pDC, CRect& m_ScrollRect)
{
	if(m_BmpMain.m_hObject != NULL) return;

	CDC memDC,memDC2;
    memDC.CreateCompatibleDC(pDC);
    memDC2.CreateCompatibleDC(pDC);
	COLORREF BackColor = (m_bTransparent && m_bitmap.m_hObject != NULL)? RGB(192,192,192) : m_Colors[BACKGROUND_COLOR];
    
	CBitmap *pOldMemDCBitmap = NULL;

	m_BmpMain.CreateCompatibleBitmap( pDC, m_ScrollRect.Width(), m_ScrollRect.Height() );
	pOldMemDCBitmap = (CBitmap*)memDC.SelectObject(&m_BmpMain);

	if(m_Gradient && m_bitmap.m_hObject == NULL)
		FillGradient(&memDC, &m_ScrollRect, &m_ScrollRect, m_Colors[BACKGROUND_COLOR]);
	else
		memDC.FillSolidRect(&m_ScrollRect, BackColor);

	POSITION pos = m_ArrCredit.GetHeadPosition();
	int height = 0;
	while(pos != NULL && height <= m_ScrollRect.Height()) {
		CString m_szWork = m_ArrCredit.GetNext(pos);
		CFont	m_fntArial;
		CFont	*pOldFont = NULL;
		CBitmap	*pOldMemDC2Bitmap = NULL;
		
		CDC memDC2;
		memDC2.CreateCompatibleDC(pDC);
		//*********************************************************************
		//	FONT SELECTION
	
	
		BOOL bSuccess = FALSE;
		BOOL bIsBitmap = FALSE;
		
		BOOL bUnderline;
		BOOL bItalic;
		int rmcode = 0;
        CBitmap bitmap;

		if (!m_szWork.IsEmpty()) {
			char c = m_szWork[m_szWork.GetLength()-1];
			if(c == m_Escapes[TOP_LEVEL_GROUP]) {
				rmcode = 1;
				bItalic = FALSE;
				bUnderline = FALSE;
				m_nCurrentFontHeight = m_TextHeights[TOP_LEVEL_GROUP_HEIGHT];
   				bSuccess = m_fntArial.CreateFont(MulDiv(10, -memDC.GetDeviceCaps (LOGPIXELSY), 
					72),0,0,0,FW_NORMAL,0,0,0,DEFAULT_CHARSET, 
					OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY, 
					DEFAULT_PITCH | FF_SWISS, _T("宋体"));
				memDC.SetTextColor(m_Colors[TOP_LEVEL_GROUP_COLOR]);
				pOldFont = memDC.SelectObject(&m_fntArial);
		
			}
			else if(c == m_Escapes[GROUP_TITLE]) {
				rmcode = 1;
				bItalic = FALSE;
				bUnderline = FALSE;
				m_nCurrentFontHeight = m_TextHeights[GROUP_TITLE_HEIGHT];
   				bSuccess = m_fntArial.CreateFont(MulDiv(10, -memDC.GetDeviceCaps (LOGPIXELSY), 
					72),0,0,0,FW_NORMAL,0,0,0,DEFAULT_CHARSET, 
					OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY, 
					DEFAULT_PITCH | FF_SWISS, _T("宋体"));
				memDC.SetTextColor(m_Colors[GROUP_TITLE_COLOR]);
				pOldFont = memDC.SelectObject(&m_fntArial);
			}
			else if(c == m_Escapes[TOP_LEVEL_TITLE]) {
				rmcode = 1;
				bItalic = FALSE;
	//			bUnderline = TRUE;
				bUnderline = FALSE;
				m_nCurrentFontHeight = m_TextHeights[TOP_LEVEL_TITLE_HEIGHT];
				bSuccess = m_fntArial.CreateFont(MulDiv(10, -memDC.GetDeviceCaps (LOGPIXELSY), 
					72),0,0,0,FW_NORMAL,0,0,0,DEFAULT_CHARSET, 
					OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY, 
					DEFAULT_PITCH | FF_SWISS, _T("宋体"));
				memDC.SetTextColor(m_Colors[TOP_LEVEL_TITLE_COLOR]);
				pOldFont = memDC.SelectObject(&m_fntArial);
			}
			else if(c == m_Escapes[DISPLAY_BITMAP]) {
				CString szBitmap = m_szWork.Left(m_szWork.GetLength()-1);
				if(bitmap.LoadBitmap((const char *)szBitmap)) {
					BITMAP 		m_bmpInfo;

	   				bitmap.GetObject(sizeof(BITMAP), &m_bmpInfo);
			
					m_size.cx = m_bmpInfo.bmWidth;	// width  of dest rect
					m_size.cy = m_bmpInfo.bmHeight;
					// upper left point of dest
					m_pt.x = (m_ScrollRect.right - 
						((m_ScrollRect.Width())/2) - (m_size.cx/2));
					m_pt.y = height;
					pOldMemDC2Bitmap = memDC2.SelectObject(&bitmap);
					bIsBitmap = TRUE;
				}
				else
						c = ' ';
			}
			else {
				bItalic = FALSE;
				bUnderline = FALSE;
				m_nCurrentFontHeight = m_TextHeights[NORMAL_TEXT_HEIGHT];
   				bSuccess = m_fntArial.CreateFont(MulDiv(10, -memDC.GetDeviceCaps (LOGPIXELSY), 
					72),0,0,0,FW_NORMAL,0,0,0,DEFAULT_CHARSET, 
					OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY, 
					DEFAULT_PITCH | FF_SWISS, _T("宋体"));
				memDC.SetTextColor(m_Colors[NORMAL_TEXT_COLOR]);
				pOldFont = memDC.SelectObject(&m_fntArial);
			}
		}

		memDC.SetBkMode(TRANSPARENT);

		if (!bIsBitmap)
		{				
			CRect r(m_ScrollRect);
			r.top = height;
			CSize size;
			if(m_szWork.GetLength()-rmcode != 0) 
			{
				int x = memDC.DrawText((const char *)m_szWork,m_szWork.GetLength()-rmcode,&r,DT_TOP|DT_CENTER|
						DT_NOPREFIX | DT_SINGLELINE);	
				size = memDC.GetTextExtent((LPCTSTR)m_szWork,m_szWork.GetLength()-rmcode);
			}
			else
				size = memDC.GetTextExtent((LPCTSTR)"W",1);
			height += size.cy;
		}
		else
		{
			CRect r( m_pt.x, m_pt.y, m_pt.x + m_size.cx, m_pt.y + m_size.cy);
			DrawBitmap(&memDC, &memDC2, &r);
//    		memDC.BitBlt( m_pt.x, m_pt.y, m_size.cx, m_size.cy, &memDC2, 0, 0, SRCCOPY );
			height += m_size.cy;
		}
		if (pOldMemDC2Bitmap != NULL) memDC2.SelectObject(pOldMemDC2Bitmap);
		if (pOldFont != NULL) memDC.SelectObject(pOldFont);
	}
	memDC.SelectObject(pOldMemDCBitmap);
}

void CCreditStatic::OnDestroy() 
{
	CStatic::OnDestroy();

	m_ArrCredit.RemoveAll();

	if(TimerOn)
		ASSERT(KillTimer(DISPLAY_TIMER_ID));	
}

BOOL CCreditStatic::SetBkImage(UINT nIDResource)
{
    return SetBkImage( (LPCTSTR)nIDResource );
}

BOOL CCreditStatic::SetBkImage(LPCTSTR lpszResourceName)
{

    // If this is not the first call then Delete GDI objects
    if( m_bitmap.m_hObject != NULL )
		m_bitmap.DeleteObject();
    if( m_pal.m_hObject != NULL )
		m_pal.DeleteObject();
    
    
    HBITMAP hBmp = (HBITMAP)::LoadImage( AfxGetInstanceHandle(), 
            lpszResourceName, IMAGE_BITMAP, 0,0, LR_CREATEDIBSECTION );

     if( hBmp == NULL ) 
        return FALSE;

	m_bitmap.Attach( hBmp );
    BITMAP bm;
    m_bitmap.GetBitmap( &bm );
    m_cxBitmap = bm.bmWidth;
    m_cyBitmap = bm.bmHeight;

    // Create a logical palette for the bitmap
    DIBSECTION ds;
    BITMAPINFOHEADER &bmInfo = ds.dsBmih;
    m_bitmap.GetObject( sizeof(ds), &ds );

    int nColors = bmInfo.biClrUsed ? bmInfo.biClrUsed : 1 << bmInfo.biBitCount;

    // Create a halftone palette if colors > 256. 
    CClientDC dc(NULL);             // Desktop DC
    if( nColors > 256 )
        m_pal.CreateHalftonePalette( &dc );
    else
    {
        // Create the palette

        RGBQUAD *pRGB = new RGBQUAD[nColors];
        CDC memDC;
        memDC.CreateCompatibleDC(&dc);

        CBitmap* pOldMemDCBitmap = memDC.SelectObject( &m_bitmap );
        ::GetDIBColorTable( memDC, 0, nColors, pRGB );

        UINT nSize = sizeof(LOGPALETTE) + (sizeof(PALETTEENTRY) * nColors);
        LOGPALETTE *pLP = (LOGPALETTE *) new BYTE[nSize];

        pLP->palVersion = 0x300;
        pLP->palNumEntries = nColors;

        for( int i=0; i < nColors; i++)
        {
            pLP->palPalEntry[i].peRed = pRGB[i].rgbRed;
            pLP->palPalEntry[i].peGreen = pRGB[i].rgbGreen;
            pLP->palPalEntry[i].peBlue = pRGB[i].rgbBlue;
            pLP->palPalEntry[i].peFlags = 0;
        }

        m_pal.CreatePalette( pLP );

		memDC.SelectObject(pOldMemDCBitmap);
        delete[] pLP;
        delete[] pRGB;
    }
//    Invalidate();

    return TRUE;
}