L_AppendPlayback

static BITMAPHANDLE Bitmap;   /* bitmap for the playback bitmap */ 
static BITMAPHANDLE Bitmap2;  /* bitmap to hold loaded frames */ 
static HINSTANCE    hInst;    /* Current instance of the application, set by the InitInstance function */ 
 
L_INT PlayProcessing(PLAYCALLBACKDATA* pAnimData); 
 
/* Prototype for the FILEREADCALLBACK function */ 
L_INT  EXT_CALLBACK PlayCallBack(pFILEINFO         pFileInfo, 
                                 pBITMAPHANDLE     pBitmap, 
                                 L_UCHAR*          pBuffer, 
                                 L_UINT            uFlags, 
                                 L_INT             nRow, 
                                 L_INT             nLines, 
                                 L_VOID *          pUserData); 
 
/***************** calling function *******************/ 
L_INT AppendPlaybackExample(HWND  hWnd,L_TCHAR* szFile) 
{ 
   L_INT             nRet; 
   PLAYCALLBACKDATA  AnimData; 
   HPALETTE          hOldPal=NULL; 
 
   AnimData.hWnd = hWnd; 
   AnimData.hDC = GetDC(hWnd); 
   AnimData.hPalette = NULL; 
   GetClientRect(hWnd, &AnimData.rcPaint); 
 
   /* load the first frame, so we have the palette and a target bitmap for playback */ 
   nRet = L_LoadBitmap(szFile, &Bitmap, sizeof(BITMAPHANDLE), 0, ORDER_BGR, NULL, NULL);  
   if(nRet != SUCCESS) 
      return nRet; 
   AnimData.hPalette = L_CreatePaintPalette(AnimData.hDC, &Bitmap); 
   if(AnimData.hPalette) 
   { 
      hOldPal = SelectPalette(AnimData.hDC, AnimData.hPalette, FALSE); 
      RealizePalette(AnimData.hDC); 
   } 
 
   nRet = L_CreatePlayback(&AnimData.hPlayback, &Bitmap, NULL); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   nRet = L_LoadFile (szFile, 
                      &Bitmap2, 
                      sizeof(BITMAPHANDLE), 
                      24, 
                      ORDER_BGR, 
                      LOADFILE_ALLOCATE | LOADFILE_STORE | LOADFILE_ALLPAGES, 
                      PlayCallBack, 
                      &AnimData, 
                      NULL, 
                      NULL); 
  if(nRet != SUCCESS) 
     return nRet; 
 
   PlayProcessing(&AnimData); 
 
   if(AnimData.hPalette) 
   { 
      SelectPalette(AnimData.hDC, hOldPal, FALSE); 
      DeleteObject(AnimData.hPalette); 
   } 
 
   ReleaseDC (hWnd, AnimData.hDC); 
   L_DestroyPlayback(AnimData.hPlayback, NULL); 
 
   L_FreeBitmap(&Bitmap); 
   L_FreeBitmap(&Bitmap2); 
 
   return(nRet); 
} 
 
 
 
L_INT PlayProcessing(PLAYCALLBACKDATA* pAnimData) 
{ 
   HDC hDc; 
   hDc = pAnimData->hDC; 
   /*Play your process*/ 
   return SUCCESS; 
} 
 
L_INT EXT_CALLBACK PlayCallBack(pFILEINFO          pFileInfo, 
                                pBITMAPHANDLE      pBitmap, 
                                L_UCHAR*           pBuffer, 
                                L_UINT             uFlags, 
                                L_INT              nRow, 
                                L_INT              nLines, 
                                L_VOID *           pUserData) 
{ 
   UNREFERENCED_PARAMETER(pFileInfo); 
   UNREFERENCED_PARAMETER(pBuffer); 
   L_UINT   uState; 
   RECT     rcUpdate; 
   L_INT    nRet; 
   PLAYCALLBACKDATA* pData = (PLAYCALLBACKDATA*)pUserData; 
    
   if (uFlags & FILEREAD_FIRSTROW) 
   { 
      nRet = L_AppendPlayback(pData->hPlayback, pBitmap); 
      if(nRet != SUCCESS) 
         return(nRet); 
   } 
   nRet = L_ValidatePlaybackLines(pData->hPlayback, nRow, nLines); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   nRet = L_GetPlaybackState(pData->hPlayback, &uState); 
   if(nRet != SUCCESS) 
      return nRet; 
   while(uState != PLAYSTATE_END) 
   { 
      nRet = L_ProcessPlayback(pData->hPlayback, &uState); 
      if(nRet != SUCCESS) 
         return nRet; 
      switch(uState) 
      { 
         case PLAYSTATE_WAITINPUT: 
            nRet = L_CancelPlaybackWait(pData->hPlayback); 
            if(nRet != SUCCESS) 
               return nRet; 
            break; 
         case PLAYSTATE_POSTCLEAR: 
         case PLAYSTATE_POSTRENDER: 
            nRet = L_GetPlaybackUpdateRect(pData->hPlayback, &rcUpdate, TRUE); 
            if(nRet != SUCCESS) 
               return nRet; 
            nRet = L_PaintDC (pData->hDC, &Bitmap, NULL, &rcUpdate, &pData->rcPaint, NULL, SRCCOPY); 
            if(nRet != SUCCESS) 
               return nRet; 
            break; 
      } 
      break; 
   } 
   return(SUCCESS); 
}