//////////////////////////////////////////////////////////////////////////////
//文件 SXY.h
//主要功能: 
//		基础类库
//程序编写:		2005-12-07
/////////////////////////////////////////////////////////////////////////////

#pragma once
#include "rect8.h"
#include ".\angle.h"

namespace NBase
{

	//Extend中的参数
#define EXTEND_MODE_DEFAULT		0	//居左上
#define EXTEND_MODE_STRECH		1	//拉伸
#define EXTEND_MODE_CENTER		2	//居中
#define EXTEND_MODE_HEIGHT		3	//按高度满屏显示
#define EXTEND_MODE_WIDTH		4	//按宽度满屏显示

	class AFX_EXT_CLASS CSXY :
		public CRect8
	{
	public:
		CSXY(void);
		virtual ~CSXY(void);

		virtual int Create(CDC* pDC, BOOL bSetViewRect = TRUE);
		virtual void Clear(void);

		virtual CPoint GetScreen(double x, double y);
		virtual CPoint2D GetScreen8(double x, double y);

		virtual double GetScreenWidth8(double v);
		virtual double GetScreenHeight8(double v);
		virtual long GetScreenWidth(double v);
		virtual long GetScreenHeight(double v);

		int CreateAngle(double angle, double x0, double y0);
		void DeleteAngle(void);

		//坐标变换
		virtual long GetSX(double x);
		virtual long GetSY(double y);
		virtual double GetRX(long x);
		virtual double GetRY(long y);
		virtual double GetSX8(double x);
		virtual double GetSY8(double y);
		virtual double GetRX(double x);
		virtual double GetRY(double y);

		virtual CRect8   GetReal(CRect& sr);
		virtual CPoint2D GetReal(CPoint& point);
		virtual CPoint2D GetReal(long x,long y);
		virtual CPoint2D GetReal(double x,double y);
		virtual CRect8   GetReal(CRect8& screenRect);
		virtual CPoint2D GetReal(CPoint2D& pointScreen);

		virtual CPoint GetScreen(CPoint2D& pt);
		virtual CRect  GetScreen(CRect8& rect);
		virtual CRect8 GetScreen8(CRect8& rect);

		virtual double GetRealWidth(long sw);
		virtual double GetRealHeight(long sh);
		virtual double GetRealWidth(double screenWidth);
		virtual double GetRealHeight(double screenHeight);
		virtual CSize GetScreenSize(CSize8& sz);
		virtual CSize8 GetScreenSize8(CSize8& sz);
		virtual CSize8 GetRealSize(CSize& sz);
		virtual CSize8 GetRealSize(CSize8& sz);

		void Extend(CRect8& rect, CRect& rtScreenWindow,int IsStrech);
		void Extend(CRect8& rect, CRect8& rtScreenWindow,int IsStrech);
		void Extend(CRect& rtScreenWindow,int IsStrech);
		void Extend(CRect8& rtScreenWindow,int IsStrech);
		void Reduce(double cc);

		void SetScale(double ScaleX, double ScaleY);	//参数单位：1实际单位代表的毫米长度
		void GetScale(double& ScaleX, double& ScaleY);	//参数单位：1实际单位代表的毫米长度
		void SetCustomDPI(double dCustomDPI);			//设置显示分辨率, 参数为每英寸的点阵数

		void operator=(CSXY& dc);

		CDC* GetDC(void);
		void SetViewRect(CRect rect);
		// 按实际坐标设置显示范围
		// void SetViewRectReal(CRect rect);
		CRect GetViewRect(void);

		CRect8 GetRealRect(void);
		void SetRealRect(CRect8 realRect);

		CRect8 m_screenRect;		//指向屏幕的窗口坐标,之前为CRect型,为了插入符号的准确,改为了CRect8,与CRect存取的结构一样
		double PixelPerUnitX;
		double PixelPerUnitY;		//每单位象素个数
		double UnitX;
		double UnitY;				//毫米/象素
		CAngle* m_pAngle;

	protected:
		CDC *pDC;
		CRect m_ViewRect;
		CRect8 m_RealRect;
	};

	AFX_INLINE CDC* CSXY::GetDC(void)
	{
		return pDC;
	}

};

using namespace NBase;