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# pragma once
# ifndef AFX_EXT_CLASS
# define AFX_EXT_CLASS Q_DECL_IMPORT
# endif
# include <vector>
# include <set>
using std : : vector ;
using std : : set ;
# include "InterfaceElements.h"
/*@file: PolygonTree.h
* @desc: 用于生成多边形之间包含关系树状图
* @date: 2023.3.11
*/
//多边形层级关系表 vector<int>中有四个元素 表示 0、下一个条， ，
using MyHierarchy = vector < vector < int > > ;
class CMyCurve ;
class CPolygonTree ;
class AFX_EXT_CLASS CPolygonTreeInterface
{
public :
CPolygonTreeInterface ( void ) ;
~ CPolygonTreeInterface ( void ) ;
//vector<CPolyline*>& GetPolygons(void);
//MyHierarchy& GetHierarchy(void);
void Create ( float filterArea = - 1 ) ;
void AddPolygon ( CPolyline * pc ) ;
void SetPolygons ( vector < CPolyline * > & pgns ) ;
//设置层级关系
void SetHierarchy ( MyHierarchy & hier ) ;
//清空 m_polygons 和m_hierarchy
void Clear ( void ) ;
vector < CPolyline * > & GetResultPolygons ( void ) ;
CPolyline & GetCombinedPolygon ( void ) ;
protected :
//由层级关系生成,返回个数
int CreateWithHierarchy ( float filterArea ) ;
CMyCurve * m_virtualRoot ; //虚拟根节点
vector < CMyCurve * > m_srcPolygons ; //多边形曲线
MyHierarchy m_hierarchy ; //层级关系
CPolyline m_combinedPolygon ; //结果多边形合并后的一条曲线
vector < CPolyline * > m_rstPolygons ; //生成的结果多边形
private :
CPolygonTree * m_pgnTree ;
} ;