Function spinImageGetData 

pub unsafe extern "C" fn spinImageGetData(
    hImage: spinImage,
    ppData: *mut *mut c_void,
) -> spinError

Retrieves the image data of an image @see spinError

@param hImage The image of the image data to retrieve @param ppData The pointer to the void pointer in which the image data is retrieved

@return spinError The error code; returns SPINNAKER_ERR_SUCCESS (or 0) for no error