kev/Drawer/GVision/BaseLib/Clipper/clipperhandler.h

/************************************************************************
	* Author     :  wcw                                                   
	* Version    :  1.0                                                           
	* Date       :  23 April 2015                                                                                      
	* Description:  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>clipper.h<EFBFBD>е<EFBFBD><EFBFBD>࣬<EFBFBD>ṩ<EFBFBD>ⲿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>                                                                  
/************************************************************************/

#pragma once
//#include "clipper.h"

class Polygons;
#include <vector>

namespace NClipperLib
{

//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
enum EClipType
{
	ectIntersection,
	ectUnion,
	ectDifference,
	ectXor
};

////<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//enum EPolyType { eptSubject, eptClip };

struct  ClipperPoint
{
	double x;
	double y;
	ClipperPoint(){ }
	ClipperPoint(double x0,double y0){ x = x0; y = y0;}
};

typedef std::vector<ClipperPoint> ClipperPolygon;
typedef std::vector<ClipperPolygon> ClipperPolygons;

class AFX_EXT_CLASS CClipperHandler
{
public:	
	CClipperHandler(void);
	CClipperHandler(unsigned int n_Prec);
	~CClipperHandler(void);

	/** @brief <20><><EFBFBD><EFBFBD><EFBFBD>ν<EFBFBD><CEBD>в<EFBFBD><D0B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㣬<EFBFBD><E3A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뵽solution<6F><6E>,eTypeΪ<65><CEAA><EFBFBD><EFBFBD>ģʽ<C4A3><CABD><EFBFBD>ཻ<EFBFBD><E0BDBB><EFBFBD>ϲ<EFBFBD><CFB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(exclusive or)*/
	bool Execute(ClipperPolygons& pPolySubject, ClipperPolygons& pPolyClip, ClipperPolygons& pPolySolution, EClipType eType);
	/** @brief <20><><EFBFBD>þ<EFBFBD><C3BE>ȣ<EFBFBD><C8A3><EFBFBD><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ */
	void SetPrecison(unsigned int nPrec);
	/** @brief <20><>ȡ<EFBFBD><C8A1>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>*/
	int GetPrecison(void)  {return m_nPrec; }	

	/** @<40><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>μ<EFBFBD><CEBC><EFBFBD>С<EFBFBD><D0A1><EFBFBD>꣬ʧ<EAA3AC>ܷ<EFBFBD><DCB7><EFBFBD>false*/
	bool GetMinimumValue(ClipperPolygons& sourcePolygons, double& xmin, double& ymin );
	/** @<40><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>μ<EFBFBD><CEBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>꣬ʧ<EAA3AC>ܷ<EFBFBD><DCB7><EFBFBD>false*/
	bool GetMaximumValue(ClipperPolygons& sourcePolygons, double& xmax, double& ymax );

private:
	/** @brief <20><>ClipperPolygongs<67><73><EFBFBD><EFBFBD><EFBFBD>μ<EFBFBD><CEBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>ƫ<EFBFBD>Ʋ<EFBFBD><C6B2><EFBFBD><EFBFBD>;<EFBFBD><CDBE><EFBFBD> */
	bool ClipPolysToPolygons(ClipperPolygons* pSourcePolygons, Polygons* pDestPolygons);	
	bool PolygonToClipPolys(Polygons* pSourcePolygons, ClipperPolygons* pDestPolygons);

	/** @brief <20>ڲ<EFBFBD>ִ<EFBFBD><D6B4>*/
	//bool Execute()

	/** @breif <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ķ<EFBFBD><C4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD>ȡ<EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
	bool GetOperationParas();

	ClipperPolygons* m_pSubject; 
	ClipperPolygons* m_pClip;

	unsigned int m_nPrec; //<2F><><EFBFBD>ȣ<EFBFBD><C8A3><EFBFBD>ʾ<EFBFBD><CABE>ȷ<EFBFBD><C8B7>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB> ȱʡΪ8
	double		m_dXOffset;//x<><78><EFBFBD><EFBFBD>ƫ<EFBFBD><C6AB><EFBFBD><EFBFBD>
	double		m_dYOffset;//y<><79><EFBFBD><EFBFBD>ƫ<EFBFBD><C6AB><EFBFBD><EFBFBD>
	//int		m_nXInitOffset;		 //X<><58>ʼƫ<CABC><C6AB><EFBFBD><EFBFBD>
	//long64	m_nXScaleOffset;	//X<>Ŵ<EFBFBD><C5B4><EFBFBD>ƫ<EFBFBD><C6AB><EFBFBD><EFBFBD>
	//int     m_nYInitOffset;		//Y<><59>ʼƫ<CABC><C6AB><EFBFBD><EFBFBD>
	//long64	m_nYScaleOffset;	 //Y<>Ŵ<EFBFBD><C5B4><EFBFBD>ƫ<EFBFBD><C6AB><EFBFBD><EFBFBD>

	//double m_dScale ; // <20>Ŵ<EFBFBD><C5B4><EFBFBD><EFBFBD><EFBFBD>
	//double m_dXOffset; // Xƫ<58><C6AB><EFBFBD><EFBFBD>
	//double m_dYOffset; // yƫ<79><C6AB><EFBFBD><EFBFBD>
};

} //namespace