Function distance

jni/venus/opencv_utility.cpp:48–54

}

float distance(const cv::Point2f& pt0, const cv::Point2f& pt1)
{
//	return std::hypot(pt0.x - pt1.x, pt0.y - pt1.y);
	float dx = pt0.x - pt1.x;
	float dy = pt0.y - pt1.y;
	return std::sqrt(dx*dx + dy*dy);
}

void inset(cv::Rect& rect, int width)
{