L_GetPlaybackDelay

#include "l_bitmap.h"

L_INT EXT_FUNCTION L_GetPlaybackDelay(hPlayback, puDelay)

HPLAYBACK hPlayback;	/* playback handle */
L_UINT32 L_FAR * puDelay;	/* address of the variable to be updated */

Gets the time remaining in the current wait state of an animation playback.

Parameter	Description
hPlayback	Handle that references the animation playback.
puDelay	Address of the variable to be updated with the number of milliseconds remaining.

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Required DLLs and Libraries

LTDIS

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Windows 95 / 98 / Me, Windows 2000 / XP, Windows CE.

See Also

Functions:	L_CancelPlaybackWait, L_CreatePlayback, L_DestroyPlayback, L_ProcessPlayback, L_ClearPlaybackUpdateRect, L_GetPlaybackIndex, L_GetPlaybackState, L_GetPlaybackUpdateRect, L_SetPlaybackIndex, L_AppendPlayback, L_ValidatePlaybackLines
Topics:	Raster Image Functions: Creating and Maintaining Lists of Images
	Implementing Animation

Example

/* This example cancels the playback wait state if the current delay is more than 10 milliseconds. */
void TestPlayback(HWND hWnd, pBITMAPHANDLE pTargetBitmap, HBITMAPLIST hList)
{
   HPLAYBACK hPlayback;      /* Animation playback */
   L_UINT uState;            /* Next state in the playback */
   RECT rcUpdate;          /* Source clipping rectangle used in playback */
   RECT rcDisplay;         /* Display rectangle used in playback */
   HDC hdc;                /* Device context of the current window */
   HPALETTE hPalette = NULL;  /* Temporary copy of the current system palette */
   HPALETTE hpalPaint = NULL;
   L_UINT32 uDelay;       /* Variable to be updated with the time left */
   /* Use the client area as the display rectangle */
   GetClientRect(hWnd,&rcDisplay);
   /* Create and run the playback */
   L_CreatePlayback(&hPlayback, pTargetBitmap, hList);
   do
   {
      L_ProcessPlayback(hPlayback, &uState);
      switch(uState)
      {
      case PLAYSTATE_WAITDELAY:
         L_GetPlaybackDelay(hPlayback, &uDelay);
         if (uDelay > 10)
             L_CancelPlaybackWait(hPlayback);
         break;
      case PLAYSTATE_POSTRENDER:
         L_GetPlaybackUpdateRect(hPlayback, &rcUpdate, TRUE);
         hdc = GetDC(hWnd);
         if (hpalPaint)
         {
            hPalette = SelectPalette (hdc, hpalPaint, TRUE);
            RealizePalette(hdc);
         }
         L_PaintDC(hdc, pTargetBitmap, NULL, &rcUpdate, &rcDisplay, &rcDisplay, SRCCOPY);
         if (hpalPaint)
            SelectPalette (hdc, hPalette, TRUE);
         ReleaseDC(hWnd, hdc);
         break;
      }
   }while(uState != PLAYSTATE_END);
   /* Clean up */
   L_DestroyPlayback(hPlayback, NULL);
}