Function spinImageGetWidth 

pub unsafe extern "C" fn spinImageGetWidth(
    hImage: spinImage,
    pWidth: *mut size_t,
) -> spinError

Retrieves the width of an image @see spinError

@param hImage The image of the width to retrieve @param pWidth The unsigned integer pointer in which the width is returned

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