#if !defined(AFX_PLACETREESTYLE_H__)
#define AFX_PLACETREESTYLE_H__

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

// 任意布树命令交互
class CPlaceTreeStyle
{
private: 
	enum RegSelectMode{kSelect, kDraw};

public:
	CPlaceTreeStyle();
	~CPlaceTreeStyle();

public:
	// 自由插入
	bool FreedomPlaceTree();

	// 拖动布树
	bool DragPlaceTree();//上一版拖动布树，不支持弧线
	bool DragPlaceTreeExtend();//支持弧线布树
	
	// 路径匹配
	bool PathPlaceTree();

	//区域布置
	bool RegPlaceTree();

	int GetPolyLine(TGGePoly2D &poly2d, int &nSelectMode);//获取多段线,返回值: -1直接退出；0 获取Polyline失败；1 获取polyLine成功
	int SelectPolyLine(TGGePoly2D &poly2d, int &nSelectMode);//选择多段线
	int DrawPolyLine(TGGePoly2D &poly2d, int &nSelectMode);//绘制多段线


	// 直线样式生成树
	void LineStyle(AcDbLine *pLine, double dTreeDis, AcGePoint3dArray &ptAryInsert, BOOL bIsSetDis);
	// 圆弧样式生成树
	void ArcStyle(AcDbArc *pArc, double dTreeDis, AcGePoint3dArray &ptAryInsert, BOOL bIsSetDis, double dBugle);
	// 多段线样式生成树
	void PolyLineStyle(AcDbPolyline *pPolyLine, double dTreeDis, AcGePoint3dArray &ptAryInsert, BOOL bIsSetDis);

private:
	// 造块
	bool MakeBlockReference(AcGePoint3d ptInsert);
	
	//给定屏幕一点，判断当前点在当前距离poly2d最近的线段的左侧还是右侧
	//左侧为0, 右侧为1，其他
	int OnWitchSideByPoitnOnPoly(XPoly2D poly2d, XPoint point);

	//判断是否有偏移量，有偏移量进行预览，得到预览后的polyLine
	bool GetPolyLineByOffsetPreviewJig(AcDbPolyline &polyLine);
};

#endif // !defined(AFX_PLACETREESTYLE_H__)