myroundsliderctrl2.h

VCsuishu fudai de yixie chengxuyuanma

#if !defined(AFX_MYROUNDSLIDERCTRL2_H__A35BFDAA_97AA_42F7_8A79_3D0DDE1961FB__INCLUDED_)
#define AFX_MYROUNDSLIDERCTRL2_H__A35BFDAA_97AA_42F7_8A79_3D0DDE1961FB__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// MyRoundSliderCtrl2.h : header file
//

#define WM_CHANGEVALUE  WM_USER + 10
/////////////////////////////////////////////////////////////////////////////
// CMyRoundSliderCtrl2 window

class CMyRoundSliderCtrl2 : public CSliderCtrl
{
// Construction
public:
	CMyRoundSliderCtrl2();

// Attributes
public:

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CMyRoundSliderCtrl2)
	protected:
	virtual void PreSubclassWindow();
	//}}AFX_VIRTUAL

// Implementation
public:
	void SetCurrentValue(double dCurrentValue);
	void ChangeSize();
	void SetPointerColor(COLORREF pointerClr);
	void SetScaleColor(COLORREF scaleClr);
	void SetBkClr(COLORREF bkClr);
	void SetTextColor(COLORREF textClr);
	void SetScaleTextColor(COLORREF ScaleTextClr);
	void SetPlusValue(double dPlusValue);
	void SetMinAngle(int nMinAngle);
	void SetMinValue(double dMinValue);
	void SetMaxAngle(int nMaxAngle);
	void SetMaxValue(double dMaxValue);
	double GetCurrentValue();
	virtual ~CMyRoundSliderCtrl2();

	// Generated message map functions
protected:
	void Init();
	//变量定义****
	//对客户**（即该倥件的使用者）
	double m_dMaxValue;//客户指定最大值
	double m_dMinValue;//客户指定最小值
	double m_dPlusValue;//增益
	double m_dCurrentValue;//当前值

	//对程序设计者**
	int m_nMaxAngle;//终止角度（最大角度）
	int m_nMinAngle;//起始角度（最小角度）
	int m_nDivNum;  //总格数
	int m_nAngleDiv;//每小格度数
	int m_nCurrentAngle;//当前位置
	//绘图环境
	CDC m_memDC;
	CBitmap m_memBitmap;
	CBitmap* m_pOldBitmap;
	//绘图变量
	CRect m_clientRect;//客户区矩形
	CRgn m_rgn;//客户区形状
	int m_nBigRadius;//大边框半径
	int m_nSmallRadius;//小圆半径
	int m_nPointerRadius;//指针半径
	CPoint m_pointerCenterPoint;
	CPoint m_centerPoint;
	BOOL m_bMouseMove;	
	BOOL m_bLButtonDown;
	//颜色
	COLORREF m_scaleTextClr;//刻度上指示值颜色
	COLORREF m_textClr;//当前值颜色
	COLORREF m_bkClr;//按钮颜色
	COLORREF m_scaleClr;//刻度颜色
	COLORREF m_pointerClr;//指针颜色
	//end 变量定义****

	//{{AFX_MSG(CMyRoundSliderCtrl2)
	afx_msg void OnPaint();
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnSize(UINT nType, int cx, int cy);
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
};

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

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

#endif // !defined(AFX_MYROUNDSLIDERCTRL2_H__A35BFDAA_97AA_42F7_8A79_3D0DDE1961FB__INCLUDED_)