drawsysview.h

一个用C++写的简易绘图工具

// DrawSysView.h : interface of the CDrawSysView class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_DRAWSYSVIEW_H__425C0345_B72D_45B7_9628_01D8E32F4E09__INCLUDED_)
#define AFX_DRAWSYSVIEW_H__425C0345_B72D_45B7_9628_01D8E32F4E09__INCLUDED_

#pragma warning(disable:4786)//禁止waring号为4786的warning消息

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

#include "SetDlg.h"
#include "stdlib.h"
#include "math.h"
#include <list>
#include <vector>

enum DRAWSORT{DsNull,DsLine,DsCircle,DsManyBd,DsCutLine,DsBezier,DsStroke,DsText};//画图类型

//直线
struct LINE
{
	POINT pStart;
	POINT pEnd;

	bool operator==(LINE l)
	{
		if(l.pStart.x==pStart.x && l.pStart.y==pStart.y && l.pEnd.x==pEnd.x && l.pEnd.y==pEnd.y)
			return 1;

		return 0;
	};
};

//圆
struct CIRCLE
{
	POINT pMid;//圆心
	int r;     //半径
};

//文本
struct TEXT
{
	CString str;
	POINT p;
};

using namespace std;

typedef vector<POINT> BEZIER;//Bezier曲线

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

// Attributes
public:
	CDrawSysDoc* GetDocument();

// Operations
public:

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

// Implementation
public:
	void Circle(long pcx,long pcy,int r,CDC *pDC);
	virtual ~CDrawSysView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:
	void Line_DDA(POINT p1,POINT p2,CDC *pDC);
	void Line_Bresenham(POINT p1,POINT p2,CDC *pDC);
	void Line(POINT p1,POINT p2,CDC *pDC);
	void Line(LINE l,CDC *pDC);
	void Line(long p1x,long p1y,long p2x,long p2y,CDC *pDC);

	void Circle(POINT pc,int r,CDC *pDC);
	void Circle(CIRCLE c,CDC *pDC);
	int GetDist(POINT p1,POINT p2);

	void CutLine(RECT rect,POINT& p1,POINT& p2);//剪切直线
	void CutLine(RECT rect,LINE& l);

	void Bezier(vector<POINT> vectorPoint,CDC *pDC);

	void Draw3DText(CString str,CRect rectText,int nHeight,int nWidth,int nWeight,BYTE bItalic,LPCTSTR lpszFacename,CDC *pDC);

protected:
	DRAWSORT m_dsDrawSort;		//画图类型
	DRAWLINESORT m_dlsDrawLSort;//画直线的方式

	POINT m_startPoint;//前点
	POINT m_endPoint;  //后点
	POINT m_spManyBd;  //多边形的第一个点

	bool m_bIsMouseDown;//鼠标是否在移动
	bool m_bIsFirstDone;//多边形的第一条边是否画完
	bool m_bIsDel;

	int m_iPenWidth;  //画笔宽度
	long m_lPenColor; //画笔颜色
	long m_lBkColor;  //背景颜色
	long m_lFillColor;//填充颜色

	list<LINE> m_listAllLine;	 //当前所有的直线
	list<CIRCLE> m_listAllCircle;//当前所有的圆
	list<BEZIER> m_listBezier;   //当前所有的贝塞尔曲线
	vector<TEXT> m_vectorText;   //当前所有文本

	BEZIER m_vectorCurBezier;//当前的贝塞尔曲线

	//光标
	HCURSOR m_hDLCursor;//直线
	HCURSOR m_hDCCursor;//圆
	HCURSOR m_hCLCursor;//剪切
	HCURSOR m_hDBCursor;//贝塞尔曲线
	HCURSOR m_hDTCursor;//文本
	HCURSOR m_hDSCursor;//随手画

	CSetDlg m_SetDlg;
	CStatusBar* m_pwndStatusBar;
	CEdit m_edtTextIn;

// Generated message map functions
protected:	
	//{{AFX_MSG(CDrawSysView)
	afx_msg void OnLine();
	afx_msg void OnCircle();
	afx_msg void OnUpdateLine(CCmdUI* pCmdUI);
	afx_msg void OnUpdateCircle(CCmdUI* pCmdUI);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnDda();
	afx_msg void OnBresenham();
	afx_msg void OnSet();
	afx_msg void OnManybd();
	afx_msg void OnUpdateManybd(CCmdUI* pCmdUI);
	afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
	afx_msg void OnCut();
	afx_msg void OnUpdateCut(CCmdUI* pCmdUI);
	afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnRButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnRButtonDblClk(UINT nFlags, CPoint point);
	afx_msg void OnBezier();
	afx_msg void OnUpdateBezier(CCmdUI* pCmdUI);
	afx_msg void OnText();
	afx_msg void OnClear();
	afx_msg void OnStroke();
	afx_msg void OnUpdateStroke(CCmdUI* pCmdUI);
	afx_msg void OnUpdateText(CCmdUI* pCmdUI);
	afx_msg void OnTest();
	afx_msg void OnRandline();
	afx_msg void OnRefresh();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

#ifndef _DEBUG  // debug version in DrawSysView.cpp
inline CDrawSysDoc* CDrawSysView::GetDocument()
   { return (CDrawSysDoc*)m_pDocument; }
#endif

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

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

#endif // !defined(AFX_DRAWSYSVIEW_H__425C0345_B72D_45B7_9628_01D8E32F4E09__INCLUDED_)