#pragma once
#include "mousetool.h"

class CObjPline;
class CCommandCut;
class CMouseToolCut :public CMouseTool
{
public:
	CMouseToolCut(void);
	~CMouseToolCut(void);
      virtual void OnLButtonDown(UINT nFlags, CPoint point,CClientDC &dc);
private:
      void CutLineInRect(DbRect &rect);
      void CalAllIntersection(Dbxy pt1,Dbxy pt2,DbRect &LineRect,vector<DbLine> &LineVec,vector<Dbxy> &PointVec);
      void CutObj(Dbxy LinePt1,Dbxy LinePt2,Sptr<CObjBase> pObj,vector<Dbxy> &PointVec,DbRect &rect);
      bool IsSelLine(Dbxy LinePt1,Dbxy LinePt2,Dbxy pt,Dbxy Nextpt);
      void GetNearFarPoint(Dbxy pt1,Dbxy pt2,Dbxy pt,Dbxy &NearPt,Dbxy &FarPt);
      DbRect GetLineRect(const Dbxy &LinePt1,const Dbxy &LinePt2);
      bool GetCutPoint(Dbxy LinePt1,Dbxy LinePt2,vector<Dbxy> &PointVec,DbRect &rect,Dbxy &CutPt1,Dbxy &CutPt2);
      bool CutObjExt(Dbxy LinePt1,Dbxy LinePt2,Sptr<CObjBase> pObj,Dbxy CutPt1,Dbxy CutPt2,CObjPline *&pObj1,CObjPline *&pObj2);
      void CreatCommandCut(Sptr<CObjBase> pObj,CObjPline *&pObj1,CObjPline *&pObj2);
      void AddToCmd(CObjPline *&pObj,CCommandCut *&pCommandCut);
      void GetFirstLineInRect(Sptr<CObjBase> &pObj,DbRect &rect,Dbxy &LinePt1,Dbxy &LinePt2);
};