kev/Drawer/Module/GeoSigmaDraw/ItemView.h

//////////////////////////////////////////////////////////////////////////////
//<2F>ļ<EFBFBD>: CItem<65><6D><EFBFBD><EFBFBD>չ
//<2F><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>: 
//		<09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD>ػ<EFBFBD><D8BB><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>Ĺ<EFBFBD><C4B9><EFBFBD>
//
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д:		2006-12-07
//
//
/////////////////////////////////////////////////////////////////////////////

#pragma once
#include "itemBase.h"
#include "cursor.h"
#include "DrawOperator\memdc.h"

namespace NDrawView
{

#define ITEM_VIEW_DEFAULT		0
#define ITEM_VIEW_PRINT			1

class CItemView :
	public CItemBase
{
public:
	CItemView(void);
	CItemView(CSigmaDoc * ppDoc);
	virtual ~CItemView(void);

	void OnLButtonDown(CDC *pDC, UINT nFlags, CPoint point, int vk) override;
	void OnLButtonUp(CDC *pDC, UINT nFlags, CPoint point, int vk) override;
	int OnMouseMove(CDC *pDC, UINT nFlags, CPoint point) override;
	void OnRButtonDblClk(UINT nFlags, CPoint point) override;
	void OnRButtonDown(UINT nFlags, CPoint point) override;
	BOOL OnRButtonUp(UINT nFlags, CPoint point) override;
	BOOL OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) override;
	BOOL OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags) override;
	BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) override;

	//<<3C><>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD>ӡԤ<D3A1><D4A4>>
	void SetScreenRect(CRect rect);
	virtual void OnLButtonDownForPreviewPrint(UINT nFlags, CPoint point);
	virtual void OnLButtonUpForPreviewPrint(UINT nFlags, CPoint point);
	virtual void OnMouseMoveForPreviewPrint(UINT nFlags, CPoint point);
	void ScreenToPrint(CPoint & point);
	void GetViewFactors(double & offsetXOut, double & offsetYOut, double & zoomFactorOut);
	void SetViewFactors(double offsetX, double offsetY, double zoomFactor);
	void SetViewScreenFactors(double offsetX, double offsetY, double zoomFactor);
	// <20>任<EFBFBD><E4BBBB>ԭʼ<D4AD><CABC><EFBFBD><EFBFBD>
	double TransfromX(double x);
	double TransfromY(double y);
	CRect TransfromRect(CRect rtSource);

	double DeTransfromX(double x);
	double DeTransfromY(double y);
	// ת<><D7AA><EFBFBD><EFBFBD><EFBFBD>任<EFBFBD><E4BBBB><EFBFBD><EFBFBD>
	CRect DeTransfromRect(CRect rtSource);
	//</<2F><>ӡ<EFBFBD><D3A1><EFBFBD><EFBFBD>ӡԤ<D3A1><D4A4>>

	void SetMemDC(CMemoryDC*	pMemViewDC) {
		m_pMemViewDC = pMemViewDC;
	}
	CDC			*	GetMemDC(void) { return m_pMemViewDC; }
	virtual CRect GetClientRect(void);
	virtual void setClientRect(CRect rect);
	virtual int GetPanMode(void);
	virtual BOOL GetViewRange(CRect8& rect);		//<2F><><EFBFBD><EFBFBD>Ҫȫͼ<C8AB><CDBC>ʾ<EFBFBD>ķ<EFBFBD>Χ

	eCursorSelectStruct GetCursor(void);
	int IsViewState(void);

	void Extend(int mode);
	void Enlarge(void);
	void Reduce(void);
	void Reduce(double factor);

	/**
	 * <EFBFBD>Ŵ󻭲<EFBFBD>
	 * 
	 * \param point <EFBFBD>Ŵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>
	 * \param factor <EFBFBD>Ŵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>СҲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD> 1 ʱΪ<EFBFBD><EFBFBD>С
	 */
	void Reduce(CPoint2D point, double factor);
	void ReduceForScreenPoint();
	void PanTo(CPoint2D point);					//<2F>ƶ<EFBFBD><C6B6><EFBFBD>point,<2C><>pointΪ<74><CEAA><EFBFBD><EFBFBD>

	void EnableOldMode(BOOL bEnable);
	BOOL IsOldMode(void);
public:
	CView* GetActiveView(void);
	BOOL IsCaptureCursor(void);
	void SetDisplayRange(void);
	int zoomMode;
protected:
	CPoint m_ptLeft;
	CRect8 m_rect;
	CRect8 m_rectForPrint;
	CRect  m_scressRect;
	CRect  m_clientRect;
	BOOL   bCaptureCursor;
//	CMemoryDC m_MemDC;
	BOOL m_bRButtonDown;
	BOOL m_bEnableCaptureCursor;
	BOOL m_bOldViewMode;
	//int m_type;
	CMemoryDC*	m_pMemViewDC;
	double m_offsetX;
	double m_offsetY;
	double m_zoomFactor;

	double m_offsetScreenX;
	double m_offsetScreenY;
	double m_screenFactor;

	void LButtonDownPan(CPoint point);
	void MouseMovePan(CPoint point);
	void MouseMovePanForPreviewPrint(CPoint point);
	void LButtonUpPan(CPoint point);
	void RectangleSolid(CXyDC* pDC, CRect8* pRect);
};

};