#ifndef D2CornerDetector_h__
#define D2CornerDetector_h__

#include "SimpleCornerDetector.h"
#include <deque>

using std::deque;

namespace pagic
{
	class AngDeltaInfo
	{
	public:
		AngDeltaInfo()
			: m_ld(0)
			, m_rd(0)
			, m_leftIdx(-1)
			, m_rightIdx(-1)
			, m_cenIdx(-1)
		{

		}
		double m_ld, m_rd;
		int m_leftIdx, m_rightIdx, m_cenIdx;
	};
	class D2CornerDetector : public SimpleCornerDetector
	{
	public:
		D2CornerDetector();
		
		virtual void detectCorners(const vector<Point2d>& posVec, vector<CornerInfo*>& cornerVec,
			vector<CornerInfo*>* pCifVec = 0,
			vector<double>* pDVec = 0,
			int* pStartIdx = 0,
			int* pEndIdx = 0);
		virtual void detectCorners(const deque<Point2d>& posVec, deque<CornerInfo*>& cornerVec,
			deque<CornerInfo*>* pCifVec = 0,
			deque<double>* pDVec = 0,
			int* pStartIdx = 0,
			int* pEndIdx = 0);
		AngDeltaInfo* genAngDeltaInfo(const vector<double>& angDeltaVec, int cenIdx);

		CornerInfo* isCorner(const vector<Point2d>& posVec, int cenIdx);
		bool isCorner(const vector<double>& dVec, int cenIdx);

		void genDVec(const vector<CornerInfo*>& cifVec, vector<double>& dVec,
			int startIdx = 1);
		void genDDeq(const deque<CornerInfo*>& cifVec, deque<double>& dVec,
			int startIdx = 1);

	};
}

#endif // D2CornerDetector_h__