#include "l_bitmap.h"
L_LTKRN_API L_INT L_GetOverlayCount (pBitmap, puCount, uFlags)
Gets the number of overlays that have been defined for the specified main bitmap.
Pointer to the bitmap handle referencing the main bitmap.
Pointer to a variable to be updated with the number of overlays.
Reserved for future use. Pass 0.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
This function will count how many overlays have been defined. The overlays are defined by calling L_SetOverlayBitmap or L_SetOverlayAttributes.
Required DLLs and Libraries
Win32, x64, Linux.
This example will return the count of the overlays from pBitmap.
L_INT GetOverlayCountExample(pBITMAPHANDLE pBitmap)
{
L_INT nRet;
L_UINT uCount;
nRet = L_GetOverlayCount(pBitmap, &uCount, 0);
if(nRet != SUCCESS)
return nRet;
/* now uCount contains the number of overlays */
return SUCCESS ;
}
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