myimagedbview.h

这是一个分水岭程序

// MyImageDBView.h : interface of the CMyImageDBView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_MYIMAGEDBVIEW_H__2FB847F8_D070_493F_B8EC_6B685BFA7673__INCLUDED_)
#define AFX_MYIMAGEDBVIEW_H__2FB847F8_D070_493F_B8EC_6B685BFA7673__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "myimagedbdoc.h"
#include <AFXOLE.H>
#include "mymath.h"
#include "mytexture.h"

//训练点
typedef struct tagTrainPt{
	LONG  id;
	CString  regionclass;
	CString  imagename;
	INT posx;
	INT posy;
}TrainPt;

class CMyImageDBView : public CScrollView
{
protected: // create from serialization only
	CMyImageDBView();
	DECLARE_DYNCREATE(CMyImageDBView)
	void UpdatePostion();
	void UpdateColorPalette();//刷新当前象素数据面板；

// Attributes
public:
	CMyImageDBDoc* GetDocument();


// Operations
public:
    BYTE* GetNeiMatrixAtCursor(INT& width, INT& height);
	BOOL GetColorAtCursor(RGBQUAD& color);
	BOOL GetLuvAtCursor(MyLUV& outluv);
	void SetCurSelTrainPoint(LONG pointid, CString imagename, INT posx, INT posy, CString regionclass);//设置当前选择的训练点；
	void ClearCurTrainPt();//清除当前选择的训练点；

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CMyImageDBView)
	public:
	virtual void OnDraw(CDC* pDC);  // overridden to draw this view
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	virtual BOOL OnDrop(COleDataObject* pDataObject, DROPEFFECT dropEffect, CPoint point);
	virtual DROPEFFECT OnDragEnter(COleDataObject* pDataObject, DWORD dwKeyState, CPoint point);
	virtual void OnDragLeave();
	virtual DROPEFFECT OnDragOver(COleDataObject* pDataObject, DWORD dwKeyState, CPoint point);
	virtual void OnInitialUpdate();
	virtual BOOL OnScroll(UINT nScrollCode, UINT nPos, BOOL bDoScroll = TRUE);
	protected:
	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
	virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
	virtual BOOL OnScrollBy(CSize sizeScroll, BOOL bDoScroll = TRUE);
	//}}AFX_VIRTUAL

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

protected:
	INT sX, sY;//卷屏位置；
	INT iX, iY;//图像显示位置, 这四个变量用来将当前光标位置转换为图像栅格位置；
	INT cX, cY;//当前光标在图像中的位置；
	COleDropTarget myDropTarget;
	BOOL isCtrlKeyDown, isDrawCurSelTrainPt;
	TrainPt curSelTrainPt;
	INT neiWidth, neiHeight;//邻域宽高；
	MyMath myMath;
	CMyTexture myTexture;

// Generated message map functions
protected:
	//{{AFX_MSG(CMyImageDBView)
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
	afx_msg void OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
	afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
	afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnRButtonUp(UINT nFlags, CPoint point);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in MyImageDBView.cpp
inline CMyImageDBDoc* CMyImageDBView::GetDocument()
   { return (CMyImageDBDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_MYIMAGEDBVIEW_H__2FB847F8_D070_493F_B8EC_6B685BFA7673__INCLUDED_)