VCEANCB_setContrast

ImperX VCEANCB Functions

VCEANCB_setContrast

The VCEANCB_setContrast sets contrast adjustment level.

VCEANCB_Error VCEANCB_setContrast (
  HANDLE hVCEANCB, // Handle to card
  signed char contrast // Contrast level
);

Parameter:

hVCEANCB
[in] Handle to FrameGrabber.
contrast
[in] Contrast level

Return values:

If function succeeds, the return value is VCEANCB_Err_Success.

If function fails, the return value can be one of the following values.

VCEANCB_Err_badArgument hVCEANCB handle or pCameraConfig pointer is bad (possibly NULL).
VCEANCB_Err_UnknownError Error is unknown (possibly system error). To get extended error information, call VCEANCB_SystemLastError.

Remarks:

This function sets contrast adjustment level.

 
Constatnt Value Description
VCEANCB_ContrastMax 127 Maximum constrast level (equal to 1.984)
VCEANCB_ContrastMin 0 Minimum contrast level (equal to 0.0)
VCEANCB_ContrastDef 68 ITU contrast level (equal to 1.063)

See also:

VCEANCB_Prepare, VCEANCB_CameraConfig