grdemoview.h

图像编程的参考资料

// GrDemoView.h : interface of the CGrDemoView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_GRDEMOVIEW_H__F1AC6390_183F_11D4_99BD_C08908C10000__INCLUDED_)
#define AFX_GRDEMOVIEW_H__F1AC6390_183F_11D4_99BD_C08908C10000__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "Scatter.h"

class CGrDemoView : public CScrollView
{
protected: // create from serialization only
	CGrDemoView();
	DECLARE_DYNCREATE(CGrDemoView)

// Attributes
public:
	CGrDemoDoc* GetDocument();

	float  m_fXScale;
	float  m_fYScale;
	float  m_fDelta;
	int	   m_nMapMode;

	CPoint sPT; // start point used for drug scroll
    CPoint c_down;
    CPoint c_last;
    CPoint Zoom_in_First;
	CPoint Zoom_in_Last;
    CPoint MidPoint;
	CString m_nCoord;

	enum CZoomDrag { NONE, ZOOMIN, RECTZOOMIN, ZOOMOUT, DRAG };
	CZoomDrag m_ZoomDrag;

	CLinear<float> m_Linear;
	CXLogYLinear<float> m_XLogYLinear;
	CXLinearYLog<float> m_XLinearYLog;
	CXLogYLog<float> m_XLogYLog;
	CLinear<float>*  m_pGraph;

	BOOL m_bCanDraw;
	bool m_bMemDraw;
	BOOL m_bTitle;
	bool m_bLegend;
	BOOL m_bBoundary;
	BOOL m_bGrid;
	COLORREF m_nBkColor;

	enum Maps { MAP1, MAPS2, MAPS4 };
	Maps m_nMaps;

// Operations
public:
	void DrawFrame(CRect& rect, COLORREF cr, const char* Title = "");
	void RecalcSize();
	void Redraw();
	void Draw4Maps(CRect&);
	void Draw2Maps(CRect&);
	void Draw1Map(CRect&);

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CGrDemoView)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	virtual void OnInitialUpdate();
	protected:
	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
	virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CGrDemoView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CGrDemoView)
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	afx_msg void OnSize(UINT nType, int cx, int cy);
	afx_msg void OnTypeLinear();
	afx_msg void OnUpdateTypeLinear(CCmdUI* pCmdUI);
	afx_msg void OnTypeXlog();
	afx_msg void OnUpdateTypeXlog(CCmdUI* pCmdUI);
	afx_msg void OnTypeYlog();
	afx_msg void OnUpdateTypeYlog(CCmdUI* pCmdUI);
	afx_msg void OnTypeXlogylog();
	afx_msg void OnUpdateTypeXlogylog(CCmdUI* pCmdUI);
	afx_msg void OnTypeGrid();
	afx_msg void OnUpdateTypeGrid(CCmdUI* pCmdUI);
	afx_msg void OnTypeBoundary();
	afx_msg void OnUpdateTypeBoundary(CCmdUI* pCmdUI);
	afx_msg void OnTypeLegend();
	afx_msg void OnUpdateTypeLegend(CCmdUI* pCmdUI);
	afx_msg void OnTypeBackcolor();
	afx_msg void OnUpdateTypeBackcolor(CCmdUI* pCmdUI);
	afx_msg void OnTypeTitle();
	afx_msg void OnUpdateTypeTitle(CCmdUI* pCmdUI);
	afx_msg void OnTypeMemorydraw();
	afx_msg void OnUpdateTypeMemorydraw(CCmdUI* pCmdUI);
	afx_msg void OnMaps1map();
	afx_msg void OnUpdateMaps1map(CCmdUI* pCmdUI);
	afx_msg void OnMaps2maps();
	afx_msg void OnUpdateMaps2maps(CCmdUI* pCmdUI);
	afx_msg void OnMaps4maps();
	afx_msg void OnUpdateMaps4maps(CCmdUI* pCmdUI);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnZoomRandom();
	afx_msg void OnUpdateZoomRandom(CCmdUI* pCmdUI);
	afx_msg void OnZoomRectangle();
	afx_msg void OnUpdateZoomRectangle(CCmdUI* pCmdUI);
	afx_msg void OnZoomDrag();
	afx_msg void OnUpdateZoomDrag(CCmdUI* pCmdUI);
	afx_msg void OnZoomIn();
	afx_msg void OnUpdateZoomIn(CCmdUI* pCmdUI);
	afx_msg void OnZoomOut();
	afx_msg void OnUpdateZoomOut(CCmdUI* pCmdUI);
	afx_msg void OnZoomNone();
	afx_msg void OnUpdateZoomNone(CCmdUI* pCmdUI);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in GrDemoView.cpp
inline CGrDemoDoc* CGrDemoView::GetDocument()
   { return (CGrDemoDoc*)m_pDocument; }
#endif

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_GRDEMOVIEW_H__F1AC6390_183F_11D4_99BD_C08908C10000__INCLUDED_)