L_DlgGetTransition

L_INT ShowDlgGetTransitionExample(HWND hWnd, pBITMAPHANDLE pBitmap) 
{ 
   L_INT nRet; 
   TRANSITIONDLGPARAMS DlgParams ; 
   L_UINT              x ; 
   HDC                 hDC ; 
   RECT                rcDst ; 
 
   memset ( &DlgParams, 0, sizeof ( TRANSITIONDLGPARAMS ) ) ; 
 
   DlgParams.uStructSize   = sizeof ( TRANSITIONDLGPARAMS ) ; 
   DlgParams.pBitmap       = pBitmap ; 
   DlgParams.uTransition   = 0 ; 
   DlgParams.uEffect       = EFX_EFFECT_WIPE_L_TO_R ; 
   DlgParams.crFore        = RGB ( 255,255,0 ) ; 
   DlgParams.crBack        = RGB ( 255,0,255 ) ; 
   DlgParams.uSteps        = 120 ; 
   DlgParams.uDelay        = 20 ; 
   DlgParams.uGrain        = 5 ; 
   DlgParams.uWandWidth    = 5 ; 
   DlgParams.crWand        = RGB ( 255,255,0 ) ; 
   DlgParams.bTransparent  = TRUE ; 
   DlgParams.crTransparent = RGB ( 255,0,0 ) ; 
   DlgParams.uDlgFlags     = DLG_TRANSITION_SHOW_PREVIEW    | 
                             DLG_TRANSITION_FORECOLOR       | 
                             DLG_TRANSITION_BACKCOLOR       | 
                             DLG_TRANSITION_DELAY           | 
                             DLG_TRANSITION_GRAIN           | 
                             DLG_TRANSITION_EFFECT          | 
                             DLG_TRANSITION_PASSES          | 
                             DLG_TRANSITION_WAND            | 
                             DLG_TRANSITION_TRANSPARENT     | 
                             DLG_TRANSITION_GRADIENT        ; 
 
   nRet = L_DlgInit ( DLG_INIT_COLOR ) ; 
   if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED) 
      return nRet; 
 
   nRet = L_DlgGetTransition ( hWnd, &DlgParams ); 
   if ( SUCCESS_DLG_OK == nRet ) 
   { 
      hDC = GetDC ( hWnd ) ; 
 
      GetClientRect ( hWnd, &rcDst ) ; 
 
      for ( x = 1 ; x <= DlgParams.uMaxPass ; x++ ) 
      { 
         nRet = L_EfxPaintTransition(hDC, 
                              DlgParams.uTransition, 
                              DlgParams.crBack, 
                              DlgParams.crFore, 
                              DlgParams.uSteps, 
                              &rcDst, 
                              DlgParams.uEffect, 
                              DlgParams.uGrain, 
                              DlgParams.uDelay, 
                              0, 
                              0, 
                              x, 
                              DlgParams.uMaxPass, 
                              DlgParams.bTransparent, 
                              DlgParams.crTransparent, 
                              DlgParams.uWandWidth, 
                              DlgParams.crWand, 
                              SRCCOPY ) ; 
         if(nRet != SUCCESS) 
            return nRet; 
      } 
 
      ReleaseDC ( hWnd, hDC ) ; 
   } 
   else if( nRet < 1 ) 
      return nRet; 
 
   nRet = L_DlgFree(); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   return SUCCESS; 
}