//------------------------------------------------------------------------+
// Copyright (C), 1998-2011, Beijing Tangent Software Co. Ltd.
// = FileName	:   TBaseWallIntegrateTool类
// = Version	:   ver1.0
// = Author		:   xlc
// = CreateDate	:   2011-04-13
// = Description:   双线墙融合算法工具
// = Maintainers: 
//                  
//------------------------------------------------------------------------+
#ifdef TASD
#ifndef _TBASEWALLINTEGRATETOOL_H_
#define _TBASEWALLINTEGRATETOOL_H_

class TBaseWallLine;
class TGGeVisibilityPoly2D;
class TARCH_EXP TBaseWallIntegrateTool
{
public:
	// 判断是否是端点融合
	// 返回值：0：两端不相交；1:起始端相交；2：终止端相交；3：两端都相交；
	static int IsIntegrateAtTail(const TGGeCurveSegment& cvThis, const TGGeCurveSegment& cvThat);

	// 双线普通融合
	// 返回值：FALSE：融合不成功；1:融合成功；
	static BOOL Integrate(TBaseWallLine& baseWallThis, const TBaseWallLine& baseWallThat);

	// 双线尾端融合，baseWall2为实际发生相交的线，转角情况
	static BOOL IntegrateAtTail(bool bStart, TBaseWallLine& baseWallThis, const TBaseWallLine& baseWallThat);
	
	// 双线尾端融合，baseWallThis为实际发生相交的线，arBaseWallLine为关联双线数组，支持多分支
	// 多分支常规情况为1种材料；多分支超过2种材质暂不处理；
	// 2种材料:以双线数多的材质为优先级高，数目相同时，以实际材质优先级为准
	// 返回值：TRUE:成功；FALSE:失败
	static BOOL IntegrateAtTail(bool bStart, TBaseWallLine& baseWallThis, const TDPtrList<TBaseWallLine>& arBaseWallLine);

	// 双线与Poly2D线的融合
	// 返回值：FALSE：融合不成功；1:融合成功；
	static BOOL Integrate(TBaseWallLine& baseWall, const TGGePoly2D& polyHole);

	// 判断是否是端点融合
	// 返回值：0：两端不相交；1:起始端相交；2：终止端相交；3：两端都相交；
	static int IsIntegrateAtTail(const TBaseWallLine& baseWallThis, const TBaseWallLine& baseWallThat);

	//两条线是否相交
	//返回值：true:相交；false:不相交
	static bool IsIntegrate(TGGeLine &line1, TGGeLine &line2, double dSkipDistTol, double dTotalWidth);

	//求两个封闭区域的最小间隙
	//返回值：true：成功；false：失败
	static bool GetMinGap(const TGGePoly2D& polyFirst,	const TGGePoly2D& polySecond, double& dGap);

	// 按照绘制走向, 区分两根TGGeVisibilityPoly2D线的左右
	// 第一个参数返回引用左线
	static bool GetLeftPoly2D(TGGeVisibilityPoly2D& pl1, TGGeVisibilityPoly2D& pl2);
	// 根据两个多段线交点移动plSrc的起始端或者终止端
	// 返回值: 成功: true; 失败: false
	static bool ModifyPoly2D(TGGeVisibilityPoly2D& plSrc, const TGGeVisibilityPoly2D& plDes, bool bStart = false);
	// 修改TGGeVisibilityPoly2D的首端或者尾端到指定点
	static bool MovePoly2DDesPt(TGGeVisibilityPoly2D& pl, const TADSGePoint3d& ptGiven, bool bStart = false);

//////////////////////// 临时修改InterSectWith访问权限， 以便外部直接调用
//private:
public:
	// poly1与poly2的交点个数
	// 返回值：交点个数
	static int InterSectWith(const TGGePoly2D& polyThis, const TGGePoly2D& polyThat, AcGePoint3dArray &ptArray, AcDb::Intersect intType = AcDb::kExtendBoth);

private:
	// 获得平行线段中心线
	static bool GetCenterPoly(const TGGeCurveSegment& seg1, const TGGeCurveSegment& seg2, TGGeCurveSegment& segRet);
	static bool GetCenterPoly(const TGGePoly2D& pl1, const TGGePoly2D& pl2, TGGePoly2D& plRet);
	// 求pl1, pl2中距离plSrc较近或较远的线
	// 返回值: pl1或者pl2指针
	static const TGGePoly2D* GetNearestPoly2DByTail(const TGGePoly2D* plSrc, const TGGePoly2D* pl1, const TGGePoly2D* pl2, bool bNearest = true);
	static const TGGePoly2D* GetDesPoly2D(const TGGePoly2D* plSrc, 
											const TGGePoly2D* pl1, 
											const TGGePoly2D* pl2, 
											bool bStart = false, 
											bool bNearest = true);
	// 确定四根儿polyline的空间位置关系
	static bool ConfirmRelation(int iWight, TGGeVisibilityPoly2D* pSrcLeft, TGGeVisibilityPoly2D* pSrcRight, \
								TGGeVisibilityPoly2D* pDesLeft, TGGeVisibilityPoly2D* pDesRight, \
								std::vector<std::pair<TGGeVisibilityPoly2D*, TGGeVisibilityPoly2D*> >& vPlRef, \
								bool bStart = false);
	// iSeg指示在原来多短线上面的第几段
	// ptNearest距离pt最近的点
	static bool GetSegByNearestPt(const TGGePoly2D& plDes, const AcGePoint3d& pt, TGGeCurveSegment& seg, int& iSeg);
	// 获得距离ptGiven最近或最远的点
	static AcGePoint3d& GetDesPt(const AcGePoint3d& ptGiven, const AcGePoint3d& ptDesc1, const AcGePoint3d& ptDesc2, bool bNearest = true);

	// 正或反方向获得同优先级的关联双线
	static bool GetSameStyleLine(int nThisStyle, BOOL bReverse, const TDPtrList<TBaseWallLine> &arBaseWallLines, TBaseWallLine& bwl);
	// 获得另外一种材质的优先级
	// 返回值：与nThisStyle不同材质的双线的优先级
	static int GetAnotherStyle(int nThisStyle, const TDPtrList<TBaseWallLine>& arBaseWallLines);
	// 获得与nThisStyle同优先级的双线数
	// 返回值：与nThisStyle同优先级的双线个数
	static int GetStyleCount(int nThisStyle, const TDPtrList<TBaseWallLine>& arBaseWallLines);
	// 优先级数组
	static void GetStyleKindArray(const TDPtrList<TBaseWallLine>& arBaseWallLines, AcDbIntArray& intArray);
	// 对arBaseWallLines数组以bwLine为基准，逆时针排序
	static void SortBwl(bool bStart,const TBaseWallLine & bwLine,TDPtrList<TBaseWallLine>& arBaseWallLines);

	// 求两条直线的最小间距
	// 返回值：最小间距
	static double LineToLineDist(const TGGeLine &line1, const TGGeLine &line2);

	// 求直线与圆弧的最小间距
	// 返回值：最小间距
	static double LineToArcDist(const TGGeLine &line, const TGGeArc &arc);

	// 求圆弧的最小间距
	// 返回值：最小间距
	static double ArcToArcDist(const TGGeArc &arc1, const TGGeArc &arc2);
};

#endif
#endif