CreditStatic.cpp
资源名称:语音程序.rar [点击查看]
上传用户:lczygg
上传日期:2007-07-03
资源大小:2947k
文件大小:12k
源码类别:
语音合成与识别
开发平台:
Visual C++
- // CreditStatic.cpp : implementation file
- //
- #include "stdafx.h"
- #include "CreditStatic.h"
- #ifdef _DEBUG
- #define new DEBUG_NEW
- #undef THIS_FILE
- static char THIS_FILE[] = __FILE__;
- #endif
- #define DISPLAY_TIMER_ID 150 // timer id
- /////////////////////////////////////////////////////////////////////////////
- // CCreditStatic
- CCreditStatic::CCreditStatic()
- {
- m_Colors[0] = RGB(0,0,0); // Black
- m_Colors[1] = RGB(255,0,0); // Red
- m_Colors[2] = RGB(255,255,0); // Yellow
- m_Colors[3] = RGB(0,255,255); // Turquoise
- m_Colors[4] = RGB(255,0,0); // White
- m_TextHeights[0] = 21;
- m_TextHeights[1] = 19;
- m_TextHeights[2] = 17;
- m_TextHeights[3] = 21;
- m_nCurrentFontHeight = m_TextHeights[NORMAL_TEXT_HEIGHT];
- m_Escapes[0] = 't';
- m_Escapes[1] = 'n';
- m_Escapes[2] = 'r';
- m_Escapes[3] = '^';
- m_DisplaySpeed[0] = 70;
- m_DisplaySpeed[1] = 40;
- m_DisplaySpeed[2] = 10;
- m_CurrentSpeed = 1;
- m_ScrollAmount = -1;
- m_bProcessingBitmap = FALSE;
- m_ArrIndex = NULL;
- m_nCounter = 1;
- m_nClip = 0;
- m_bFirstTime = TRUE;
- m_bDrawText = FALSE;
- m_bFirstTurn = TRUE;
- m_Gradient = GRADIENT_NONE;
- m_bTransparent = FALSE;
- n_MaxWidth = 0;
- TimerOn = 0;
- }
- CCreditStatic::~CCreditStatic()
- {
- }
- BEGIN_MESSAGE_MAP(CCreditStatic, CStatic)
- //{{AFX_MSG_MAP(CCreditStatic)
- ON_WM_ERASEBKGND()
- ON_WM_TIMER()
- ON_WM_DESTROY()
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
- /////////////////////////////////////////////////////////////////////////////
- // CCreditStatic message handlers
- BOOL CCreditStatic::StartScrolling()
- {
- if(m_ArrCredit.IsEmpty())
- return FALSE;
- m_nCurrentFontHeight = m_TextHeights[NORMAL_TEXT_HEIGHT];
- m_fntArial.CreateFont(m_TextHeights[NORMAL_TEXT_HEIGHT], 0, 0, 0,
- FW_THIN, FALSE, FALSE, 0,
- ANSI_CHARSET,
- OUT_DEFAULT_PRECIS,
- CLIP_DEFAULT_PRECIS,
- PROOF_QUALITY,
- VARIABLE_PITCH | 0x04 | FF_DONTCARE,
- (LPSTR)"Arial");
- if(m_BmpMain.m_hObject != NULL)
- {
- m_BmpMain.DeleteObject();
- m_BmpMain.m_hObject = NULL;
- }
- TimerOn = SetTimer(DISPLAY_TIMER_ID,m_DisplaySpeed[m_CurrentSpeed],NULL);
- ASSERT(TimerOn != 0);
- m_ArrIndex = m_ArrCredit.GetHeadPosition();
- m_nCounter = 1;
- m_nClip = 0;
- m_bFirstTime = TRUE;
- m_bDrawText = FALSE;
- return TRUE;
- }
- void CCreditStatic::EndScrolling()
- {
- KillTimer(DISPLAY_TIMER_ID);
- TimerOn = 0;
- if(m_BmpMain.m_hObject != NULL) {
- m_BmpMain.DeleteObject();
- m_BmpMain.m_hObject = NULL;
- }
- }
- void CCreditStatic::SetCredits(LPCTSTR credits,char delimiter)
- {
- char *str,*ptr1,*ptr2;
- ASSERT(credits);
- if((str = strdup(credits)) == NULL)
- return;
- m_ArrCredit.RemoveAll();
- ptr1 = str;
- while((ptr2 = strchr(ptr1,delimiter)) != NULL) {
- *ptr2 = ' ';
- m_ArrCredit.AddTail(ptr1);
- ptr1 = ptr2+1;
- }
- m_ArrCredit.AddTail(ptr1);
- free(str);
- m_ArrIndex = m_ArrCredit.GetHeadPosition();
- m_nCounter = 1;
- m_nClip = 0;
- m_bFirstTime = TRUE;
- m_bDrawText = FALSE;
- }
- void CCreditStatic::SetCredits(UINT nID,char delimiter)
- {
- CString credits;
- if(!credits.LoadString(nID))
- return;
- SetCredits((LPCTSTR)credits, delimiter);
- }
- void CCreditStatic::SetSpeed(UINT index, int speed)
- {
- ASSERT(index <= DISPLAY_FAST);
- if(speed)
- m_DisplaySpeed[index] = speed;
- m_CurrentSpeed = index;
- }
- void CCreditStatic::SetColor(UINT index, COLORREF col)
- {
- ASSERT(index <= NORMAL_TEXT_COLOR);
- m_Colors[index] = col;
- }
- void CCreditStatic::SetTextHeight(UINT index, int height)
- {
- ASSERT(index <= NORMAL_TEXT_HEIGHT);
- m_TextHeights[index] = height;
- }
- void CCreditStatic::SetEscape(UINT index, char escape)
- {
- ASSERT(index <= DISPLAY_BITMAP);
- m_Escapes[index] = escape;
- }
- void CCreditStatic::SetGradient(UINT value)
- {
- ASSERT(value <= GRADIENT_LEFT_LIGHT);
- m_Gradient = value;
- }
- void CCreditStatic::SetTransparent(BOOL bTransparent)
- {
- m_bTransparent = bTransparent;
- }
- BOOL CCreditStatic::OnEraseBkgnd(CDC* pDC)
- {
- return TRUE;
- //return CStatic::OnEraseBkgnd(pDC);
- }
- //************************************************************************
- // OnTimer
- //
- // On each of the display timers, scroll the window 1 unit. Each 20
- // units, fetch the next array element and load into work string. Call
- // Invalidate and UpdateWindow to invoke the OnPaint which will paint
- // the contents of the newly updated work string.
- //************************************************************************
- void CCreditStatic::OnTimer(UINT nIDEvent)
- {
- if (nIDEvent != DISPLAY_TIMER_ID)
- {
- CStatic::OnTimer(nIDEvent);
- return;
- }
- BOOL bCheck = FALSE;
- if (!m_bProcessingBitmap)
- {
- if (m_nCounter++ % m_nCurrentFontHeight == 0) // every x timer events, show new line
- {
- m_nCounter=1;
- m_szWork = m_ArrCredit.GetNext(m_ArrIndex);
- if(m_bFirstTurn)
- bCheck = TRUE;
- if(m_ArrIndex == NULL)
- {
- m_bFirstTurn = FALSE;
- m_ArrIndex = m_ArrCredit.GetHeadPosition();
- }
- m_nClip = 0;
- m_bDrawText=TRUE;
- }
- }
- CClientDC dc(this);
- CRect m_ScrollRect;
- GetClientRect(&m_ScrollRect);
- CRect m_ClientRect(m_ScrollRect);
- m_ClientRect.left = (m_ClientRect.Width()-n_MaxWidth)/2;
- m_ClientRect.right = m_ClientRect.left + n_MaxWidth;
- MoveCredit(&dc, m_ScrollRect, m_ClientRect, bCheck);
- AddBackGround(&dc, m_ScrollRect, m_ClientRect);
- CStatic::OnTimer(nIDEvent);
- }
- void CCreditStatic::AddBackGround(CDC* pDC, CRect& m_ScrollRect, CRect& m_ClientRect)
- {
- CDC memDC;
- memDC.CreateCompatibleDC( pDC );
- // Draw bitmap in the background if one has been set
- // Now create a mask
- CBitmap bitmap;
- bitmap.CreateCompatibleBitmap( pDC, m_ClientRect.Width(), m_ClientRect.Height() );
- CBitmap* pOldMemDCBitmap = memDC.SelectObject( &bitmap );
- CDC tempDC;
- tempDC.CreateCompatibleDC(pDC);
- CBitmap* pOldTempDCBitmap = tempDC.SelectObject( &m_BmpMain );
- memDC.BitBlt(0, 0, m_ClientRect.Width(), m_ClientRect.Height(),
- &tempDC, m_ClientRect.left, m_ClientRect.top, SRCCOPY);
- CDC maskDC;
- maskDC.CreateCompatibleDC(pDC);
- CBitmap maskBitmap;
- // Create monochrome bitmap for the mask
- maskBitmap.CreateBitmap( m_ClientRect.Width(), m_ClientRect.Height(), 1, 1, NULL );
- CBitmap* pOldMaskDCBitmap = maskDC.SelectObject( &maskBitmap );
- memDC.SetBkColor(RGB(192,192,192));
- // Create the mask from the memory DC
- maskDC.BitBlt( 0, 0, m_ClientRect.Width(), m_ClientRect.Height(), &memDC, 0, 0, SRCCOPY );
- tempDC.SelectObject(pOldTempDCBitmap);
- pOldTempDCBitmap = tempDC.SelectObject( &m_bitmap );
- CDC imageDC;
- CBitmap bmpImage;
- imageDC.CreateCompatibleDC( pDC );
- bmpImage.CreateCompatibleBitmap( pDC, m_ScrollRect.Width(), m_ScrollRect.Height() );
- CBitmap* pOldImageDCBitmap = imageDC.SelectObject( &bmpImage );
- // Get x and y offset
- // Draw bitmap in tiled manner to imageDC
- for( int i = 0; i < m_ScrollRect.right; i += m_cxBitmap)
- {
- for( int j = 0; j < m_ScrollRect.bottom; j += m_cyBitmap)
- {
- imageDC.BitBlt( i, j, m_cxBitmap, m_cyBitmap,
- &tempDC, 0, 0, SRCCOPY );
- }
- }
- // Set the background in memDC to black. Using SRCPAINT with black and any other
- // color results in the other color, thus making black the transparent color
- memDC.SetBkColor(RGB(0 , 0, 0));
- memDC.SetTextColor(RGB(255, 255, 255));
- memDC.BitBlt(0, 0, m_ClientRect.Width(), m_ClientRect.Height(),
- &maskDC, 0, 0, SRCAND);
- // Set the foreground to black. See comment above.
- imageDC.SetBkColor(RGB(255,255,255));
- imageDC.SetTextColor(RGB(0,0,0));
- imageDC.BitBlt(m_ClientRect.left, m_ClientRect.top, m_ClientRect.Width(), m_ClientRect.Height(),
- &maskDC, 0, 0, SRCAND);
- // Combine the foreground with the background
- imageDC.BitBlt(m_ClientRect.left, m_ClientRect.top, m_ClientRect.Width(), m_ClientRect.Height(),
- &memDC, 0, 0,SRCPAINT);
- // Draw the final image to the screen
- pDC->BitBlt( 0, 0, m_ScrollRect.Width(), m_ScrollRect.Height(),
- &imageDC, 0, 0, SRCCOPY );
- imageDC.SelectObject(pOldImageDCBitmap);
- maskDC.SelectObject(pOldMaskDCBitmap);
- tempDC.SelectObject(pOldTempDCBitmap);
- memDC.SelectObject(pOldMemDCBitmap);
- }
- void CCreditStatic::MoveCredit(CDC *pDC, CRect& r, CRect& r2, 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;
- CRect r1;
- if(m_BmpMain.m_hObject == NULL)
- {
- m_BmpMain.CreateCompatibleBitmap( pDC, r.Width(), r.Height() );
- pOldMemDCBitmap = (CBitmap*)memDC.SelectObject(&m_BmpMain);
- memDC.FillSolidRect(&r,BackColor);
- }
- else
- pOldMemDCBitmap = (CBitmap*)memDC.SelectObject(&m_BmpMain);
- if(r2.Width() > 0)
- {
- CRgn RgnUpdate;
- memDC.ScrollDC(0,m_ScrollAmount,(LPCRECT)r,(LPCRECT)r2,&RgnUpdate,
- (LPRECT)r1);
- }
- else
- {
- r1 = r;
- r1.top = r1.bottom-abs(m_ScrollAmount);
- }
- m_nClip = m_nClip + abs(m_ScrollAmount);
- //*********************************************************************
- // FONT SELECTION
- CFont* pOldFont = NULL;
- memDC.SetTextColor(m_Colors[NORMAL_TEXT_COLOR]);
- if (pOldFont != NULL) memDC.SelectObject(pOldFont);
- pOldFont = memDC.SelectObject(&m_fntArial);
- memDC.FillSolidRect(&r1,BackColor);
- memDC.SetBkMode(TRANSPARENT);
- if(bCheck)
- {
- CSize size = memDC.GetTextExtent((LPCTSTR)m_szWork,m_szWork.GetLength());
- if(size.cx > n_MaxWidth)
- {
- n_MaxWidth = (size.cx > r.Width())? r.Width():size.cx;
- r2.left = (r.Width()-n_MaxWidth)/2;
- r2.right = r2.left + n_MaxWidth;
- }
- }
- CRect rc(r2);
- rc.top = rc.bottom-m_nClip;
- int x = memDC.DrawText((const char *)m_szWork,m_szWork.GetLength(),&rc,DT_TOP|DT_CENTER|
- DT_NOPREFIX | DT_SINGLELINE);
- m_bDrawText=FALSE;
- 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;
- }