#if !defined(AFX_LEDCTRL_H__ACA9A844_C33B_4A0E_AB89_5F59BBB41392__INCLUDED_)
#define AFX_LEDCTRL_H__ACA9A844_C33B_4A0E_AB89_5F59BBB41392__INCLUDED_

#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
// LedCtrl.h : header file
//
//    128
//    _
//  4|2|64
//  8|_|32
//    16
const DWORD NOTCH1 = 128;	//表示第1畫
const DWORD NOTCH2 = 64;	//表示第2畫
const DWORD NOTCH3 = 32;	//表示第3畫
const DWORD NOTCH4 = 16;	//表示第4畫
const DWORD NOTCH5 = 8;		//表示第5畫
const DWORD NOTCH6 = 4;		//表示第6畫
const DWORD NOTCH7 = 2;		//表示第7畫

const DWORD STCOUNTER0  = 252;		//代表畫0時，需要筆畫組合
const DWORD STCOUNTER1  = 96;		//代表畫1時，需要筆畫組合
const DWORD STCOUNTER2  = 218;		//代表畫2時，需要筆畫組合
const DWORD STCOUNTER3  = 242;		//代表畫3時，需要筆畫組合
const DWORD STCOUNTER4  = 102;		//代表畫4時，需要筆畫組合
const DWORD STCOUNTER5  = 182;		//代表畫5時，需要筆畫組合
const DWORD STCOUNTER6  = 190;		//代表畫6時，需要筆畫組合
const DWORD STCOUNTER7  = 224;		//代表畫7時，需要筆畫組合
const DWORD STCOUNTER8  = 254;		//代表畫8時，需要筆畫組合
const DWORD STCOUNTER9  = 246;		//代表畫9時，需要筆畫組合
const DWORD STCOUNTERALL  = 999;	//代表繪制所有



//內存繪制環境
class CMemDC : public CDC {
private:
	CBitmap m_bitmap; //離屏位圖
	CBitmap* m_oldBitmap; //存儲舊位圖
	CDC* m_pDC; //存儲繪圖環境
	CRect m_rect; //存儲控件矩形區域
	BOOL m_bMemDC; //判斷繪圖環境是否準備好
public:
	//構造函數
	CMemDC(CDC* pDC, CRect rect = CRect(0,0,0,0)) : CDC(), m_oldBitmap(NULL), m_pDC(pDC)
	{
		//判斷繪圖是否為空
		ASSERT(m_pDC != NULL); 
		//判斷繪圖環境是否準備好
		m_bMemDC = !pDC->IsPrinting();
		if (m_bMemDC)
		{
			//創建離屏繪制環境
			CreateCompatibleDC(pDC);
			if ( rect == CRect(0,0,0,0) )
				pDC->GetClipBox(&m_rect);
			else
				m_rect = rect;

			//創建離屏位圖
			m_bitmap.CreateCompatibleBitmap(pDC, m_rect.Width(), m_rect.Height());
			m_oldBitmap = SelectObject(&m_bitmap);
		} else 
		{
			m_hDC = pDC->m_hDC;
			m_hAttribDC = pDC->m_hAttribDC;
		}
	}
	
	//析構函數
	~CMemDC()
	{
		if (m_bMemDC) {
			//將離屏位圖繪制屏幕上
			m_pDC->BitBlt(m_rect.left, m_rect.top, m_rect.Width(), m_rect.Height(),
				this, m_rect.left, m_rect.top, SRCCOPY);
			//將舊位圖重新選擇到繪圖環境
			SelectObject(m_oldBitmap);
		} else {
			m_hDC = m_hAttribDC = NULL;
		}
	}
	
	//指針操作符操作
	CMemDC* operator->() {return this;}
	
	//指針操作符操作
	operator CMemDC*() {return this;}
};

/////////////////////////////////////////////////////////////////////////////
// CLedCtrl window
class CLedCtrl : public CStatic
{
// Construction
public:
	CLedCtrl();

// Attributes
public:

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CLedCtrl)
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CLedCtrl();

	// Generated message map functions
protected:
	//{{AFX_MSG(CLedCtrl)
	afx_msg void OnPaint();
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
public:
	//設置是否繪制淡入淡出效果
	void SetDrawFaded(bool bState = true);
	//設置前景色
	void SetColorForeGround(COLORREF crColor = 0xffffffff);
	//設置背景色
	void SetColorBackGround(COLORREF crColor = 0xffffffff);
	//顯示數字
	void Display( int nNumber );
protected:
		//繪制數字的某一部分
	void Draw( CMemDC* pDC, DWORD dwChar, int nCol);
protected:
	//存儲是否繪制淡入淡出效果開關變量
	bool m_bDrawFadedNotches;
	//表示是否已經設置換算關系
	bool m_bGotMetrics;

	//存儲控件客戶區域
	RECT m_recClient;

	//設置點寬度
	int m_nNotchWidth;
	//設置點長度
	int m_nNotchLength;

	//存儲顯示的數字
	CString m_strNumber;
    
	//控件背景色
	COLORREF m_crColorBackground;
	//控件前景色，也就是數字顏色
	COLORREF m_crColorForeground;
    
	//背景畫刷
	CBrush m_brBackground;
};

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

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

#endif // !defined(AFX_LEDCTRL_H__ACA9A844_C33B_4A0E_AB89_5F59BBB41392__INCLUDED_)