handwritingview.h

手写字体的书写显示、笔画描述。动态展示手写字体的书写过程

// HandwritingView.h : interface of the CHandwritingView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_HANDWRITINGVIEW_H__C7648E4D_F227_11D5_BBF5_DDBDD6D93A24__INCLUDED_)
#define AFX_HANDWRITINGVIEW_H__C7648E4D_F227_11D5_BBF5_DDBDD6D93A24__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "MyTypedef.h"


class CHandwritingView : public CView
{
protected: // create from serialization only
	CHandwritingView();
	DECLARE_DYNCREATE(CHandwritingView)

// Attributes
public:
	CHandwritingDoc* GetDocument();

// Operations
public:

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

// Implementation
public:
	//初始函数与重画函数
	void Init();
	void Draw();

	//位图文件读取函数与位图显示函数
	void ReadBitmap();
	DWORD Pow2(UINT x);
	void DrawBitmap(MYBITMAP *pBmp,int x0,int y0,CClientDC *dc);
	
	//笔划删除与手写字显示函数
	void DeleteStrokes();
	void Writing(STROKES *Strokes,BYTE Style,BYTE Interval,bool Fast,BYTE ratio,int x0,int y0,CClientDC *dc,bool bFlash);
	
	virtual ~CHandwritingView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:
	
	STROKES *Strokes;        //字符笔划链表
	STROKE oneStroke;        //一个笔划
	STROKES *pCurrentStroke; //指向字符笔划链表的最后一个节点
    
	bool bmp;                //存在有效手写字符位图
	PMYBITMAP pBuff;         //绘图缓冲区
	UINT biWidth,biHeight;   //位图宽度与高度
	
	bool bErase;             //重画指示
	OPSTATUS sOperated;      //操作状态
	CClientDC *m_pDC;        //设备上下文指针
	
	UINT uLines;             //画线数目
	UINT Stepth;             //录制步骤
	bool bLining;            //录制画线状态
	CPoint m_pOld;           //旧画线端点
	CPoint m_pOrigin;        //画线起点
	HCURSOR m_hCursor;       //画线光标 

// Generated message map functions
protected:
	//{{AFX_MSG(CHandwritingView)
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnbtnCoordinate();
	afx_msg void OnbtnPlay();
	afx_msg void OnbtnRecord();
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnbtnOpenBmp();
	afx_msg void OnbtnSample();
	afx_msg void OnUpdatebtnCoordinate(CCmdUI* pCmdUI);
	afx_msg void OnbtnEnd();
	afx_msg void OnUpdatebtnEnd(CCmdUI* pCmdUI);
	afx_msg void OnUpdatebtnOpenBmp(CCmdUI* pCmdUI);
	afx_msg void OnUpdatebtnPlay(CCmdUI* pCmdUI);
	afx_msg void OnUpdatebtnRecord(CCmdUI* pCmdUI);
	afx_msg void OnUpdatebtnSample(CCmdUI* pCmdUI);
	afx_msg void OnbtnRefresh();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in HandwritingView.cpp
inline CHandwritingDoc* CHandwritingView::GetDocument()
   { return (CHandwritingDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_HANDWRITINGVIEW_H__C7648E4D_F227_11D5_BBF5_DDBDD6D93A24__INCLUDED_)