#include "ImageApplyDogEarDetection.h"
#include "ImageProcess_Public.h"

CImageApplyDogEarDetection::CImageApplyDogEarDetection()
	: m_threshold(40)
	, m_zoom(1.0)
	, m_distance(50)
	, m_result(false)
{

}

CImageApplyDogEarDetection::CImageApplyDogEarDetection(double threshlod, double zoom, double distance)
	: m_threshold(threshlod)
	, m_zoom(zoom)
	, m_distance(distance)
	, m_result(false)
{

}

CImageApplyDogEarDetection::~CImageApplyDogEarDetection()
{

}

void CImageApplyDogEarDetection::apply(cv::Mat& pDib, int side)
{
	m_result = false;
	(void)side;
	if (pDib.empty()) return;
	cv::Mat src;
	if (m_zoom != 1.0)
		cv::resize(pDib, src, cv::Size(), m_zoom, m_zoom, cv::INTER_NEAREST);
	else
		src = pDib;

	cv::Mat thre;
	hg::threshold_Mat(src, thre, m_threshold);

	cv::Mat element = getStructuringElement(cv::MORPH_RECT, cv::Size(20, 1));
	cv::morphologyEx(thre, thre, cv::MORPH_OPEN, element, cv::Point(-1, -1), 1, cv::BORDER_CONSTANT, cv::Scalar::all(0));

	std::vector<cv::Vec4i> hierarchy;
	std::vector<std::vector<cv::Point>> contours;
	hg::findContours(thre, contours, hierarchy, cv::RETR_EXTERNAL);

	std::vector<cv::Point> maxContour = hg::getMaxContour(contours, hierarchy);
	if (maxContour.size() == 0)
	{
		m_result = true;
		return;
	}
	hg::convexHull(maxContour, maxContour);
	cv::RotatedRect rect = hg::getBoundingRect(maxContour);
	cv::Point2f vertexes[4];
	rect.points(vertexes);

	for (int i = 0; i < 4; i++)
		if ((-cv::pointPolygonTest(maxContour, vertexes[i], true)) > (m_distance * m_zoom))
		{
			m_result = true;
			return;
		}
}

void CImageApplyDogEarDetection::apply(std::vector<cv::Mat>& mats, bool isTwoSide)
{
	(void)mats;
	(void)isTwoSide;
}