// Copyright (C), 1998-2007, Beijing Tangent Engineering Software Co. Ltd.
// = FileName:     RoadEdgeCreater.h
// = Version:      8.5
// = Author:       lgh
// = Date:         2010-9-28 15:44:32
// = Description:  该类专门用来生成道路边线
// = Maintainers:
#pragma once

#include "Road.h"
#include "commonRoad.h"

class CRoadEdgeCreater
{
public:
	CRoadEdgeCreater(const CRoad *pRoad, 
		AcAryInterStructPointer &leftInterStruct, AcAryInterStructPointer &rightInterStruct,
		AcAryInterStructPointer &leftInterStructIn, AcAryInterStructPointer &rightInterStructIn,
		AcAryInterStructPointer &leftInterStructMid, AcAryInterStructPointer &rightInterStructMid,
		CFilterMode &leftFilterMode, CFilterMode &rightFiltMode);
	virtual ~CRoadEdgeCreater(void);

	virtual void MakeRoad() = 0; // 
	virtual void MakeCorner() = 0;

public:

	BOOL IsDrawMid() const {return m_pRoad->IsDrawMid();}
	// 获取关于倒角的interStruct;
	CInterStruct *GetInterStructInside(bool bLeft, bool bStart)const;
	CInterStruct *GetInterStructOutside(bool bLeft, bool bStart) const;
	// 检测道路两一条边线的该端是否能够具备外边线，对应的本道路是否需要做倒角
	bool TestOtherEdgeOfCorner(bool bIsLeft, bool bIsStart);
	// 查找匹配的第一个interStruct，如果没有则返回空
	static CInterStruct* FindFirstInterStruct(const AcAryInterStructPointer &arInterStruct, EPointAtRoadInDir eAtRoadDir, int &nIndex);
	// 反向查找匹配的第一个interStruct,如果没有则返回空
	static CInterStruct* AntiFindFirstInterStruct(const AcAryInterStructPointer &arInterStruct, EPointAtRoadInDir eAtRoadDir, int &nIndex);

	// 道路边线的最后一根是否需要保留
	static BOOL KeepLast(const AcAryInterStructPointer &arInterStructIn, const CFilterMode &filterMode);

	// 添加倒角圆弧（保存，并非真正添加到数据库）
	virtual void AddInterCircle(AcGeCircArc2d &arc, BOOL bMid = FALSE);

	// 检测被识别为道路的两条边线是否和道路发生相交（）
	static BOOL IsOutInterStuctPair(CInterStruct *pInter1, CInterStruct *pInter2);
	// 获取内部对道路执行拆分的InterStruct
	static int GetInterStructRealIn(const AcAryInterStructPointer &arInterAll, const CFilterMode &filterMode, AcAryInterStructPointer &arInterRealIn);
	void DrawInterCircle();
	void DrawInterStruct(); // 绘制InterStruct数组。

	// 删除那些在道路内的中线
	void FilterMidRoad(); // 根据拐角对中线直线过滤。
	void FilterMidRoad(AcAryInterStructPointer &arMidInterStruct); // 根据拐角对中线直线过滤。

	// 生成道路边线，为了在模板函数中使用，作为同名函数。
	void ReSetEdge(const AcGePoint2d &point, bool bStart, AcGeLineSeg2d &lineEdge);
	void ReSetEdge(const AcGePoint2d &point, bool bStart, AcGeCircArc2d &arcEdge);
	// 元素arCurrInterStruct中两个元素之间的距离。
	static int LenBetweenElement(AcAryInterStructPointer &arCurrInterStruct, 
						CInterStruct *pInterStructInside, 
						CInterStruct *pInterStructOutside);

protected:
	template <class TRoadEdge>
	friend void MakeACornerTem(bool bIsLeft, bool bIsStart, TRoadEdge &leftEdge, TRoadEdge &rightEdge, TRoadEdge &midEdge, CRoadEdgeCreater *pThisCreater);

protected:
	const CRoad *m_pRoad; // 要处理的道路
	AcAryInterStructPointer &m_arLeftInterStruct; // 道路的上部interStruct;
	AcAryInterStructPointer &m_arRightInterStruct; // 道路的下部interStruct;

	AcAryInterStructPointer &m_arleftInterStructIn; // left道路内部的interSturct;
	AcAryInterStructPointer &m_arrightInterStructIn; //right道路内部的interStruct;

	AcAryInterStructPointer &m_arLeftMidInterStruct; // 道路 上部中线interStruct;
	AcAryInterStructPointer &m_arRightMidInterStuct; // 道路的下部中线interStruct;

	AcAryInterStructPointer m_arMidInterstructDump;

	AcAryInterStructPointer m_arRecreateMidInterStruct; // 需要生成的中线

	CFilterMode m_filterModeLeft; // 道路的过滤模式
	CFilterMode m_filterModeRight;

	AcAryCircArc2d m_arInterCircle;
	AcAryCircArc2d m_arMidInterCircle;
};


class CLineRoadEdgeCreater : public CRoadEdgeCreater
{
public:
	CLineRoadEdgeCreater (const CRoad *pRoad, 
		AcAryInterStructPointer &leftInterStruct, AcAryInterStructPointer &rightInterStruct,
		AcAryInterStructPointer &leftInterStructin, AcAryInterStructPointer &rightInterStructin, 
		AcAryInterStructPointer &leftInterStructMid, AcAryInterStructPointer &rightInterStructMid,
		CFilterMode &leftFilterMode, CFilterMode &rightFiltMode);

	virtual void MakeRoad(); // 
	virtual void MakeCorner(); // 

private:
	// 拐角处理
	void MakeACorner(bool bIsLeft, bool bIsStart);
	void MakeRoadIn(AcAryInterStructPointer &arInterStructRealIn, AcGeLineSeg2d &edge);
	// 添加道路边线
	 void AddEdge(AcGeLineSeg2d &lineSeg);
	void DrawMid();
	protected:
	virtual void DrawRoadEdge();
protected:
	AcGeLineSeg2d m_leftedge; // 左侧道路剩余未处理的部分
	AcGeLineSeg2d m_rightEdge; // 右侧道路剩余未处理的部分

	AcGeLineSeg2d m_midEdge; // 中线，如果需要绘制的中线，则将它转换成DbLine;

	// 边线处理结果
	AcAryLineSeg2d m_edgeAry;
};

class CArcRoadEdgeCreater : public CRoadEdgeCreater
{
public:	
	CArcRoadEdgeCreater (const CRoad *pRoad, AcAryInterStructPointer &leftInterStruct, AcAryInterStructPointer &rightInterStruct,
		AcAryInterStructPointer &leftInterStructin, AcAryInterStructPointer &rightInterStructin, 
		AcAryInterStructPointer &leftInterStructMid, AcAryInterStructPointer &rightInterStructMid,
		CFilterMode &leftFilterMode, CFilterMode &rightFiltMode);
    virtual void MakeRoad(); // 生成道路
	virtual void MakeCorner(); // 生成道路拐角

private:
	// 处理对应的道路拐角
	void MakeACorner(bool bIsLeft, bool bIsStart);
	// 生成道路边线（内部的）
	// arInterStructRealIn: arc道路边线上的interStruct。edge。道路的边线，（左或者右）
	void MakeRoadIn(AcAryInterStructPointer &arInterStructRealIn, AcGeCircArc2d&edge);
	// 添加道路边线
	void AddEdge(AcGeCircArc2d &arc);


	void DrawMid();
	protected:
	virtual void DrawRoadEdge();
protected:
	AcGeCircArc2d m_leftedge; // 左侧道路剩余未处理的部分
	AcGeCircArc2d m_rightEdge; // 右侧道路剩余未处理的部分

	AcGeCircArc2d m_midEdge; // 中心线，如果需要绘制中心线，则将它绘制成DbArc;

	// 边线处理结果
	AcAryCircArc2d m_edgeAry;
};