PeakMeterCtrl.h
上传用户:amei960
上传日期:2007-02-05
资源大小:143k
文件大小:4k
- #if !defined(AFX_PEAKMETERCTRL_H__1A889652_9CAB_11D5_9075_000086436E72__INCLUDED_)
- #define AFX_PEAKMETERCTRL_H__1A889652_9CAB_11D5_9075_000086436E72__INCLUDED_
- #include <vector>
- #if _MSC_VER > 1000
- #pragma once
- #endif // _MSC_VER > 1000
- // PeakMeterCtrl.h : header file
- //
- #define HORZ_DEFAULT 8
- #define VERT_DEFAULT 8
- #define BAND_DEFAULT 8
- #define LEDS_DEFAULT 8
- #define BAND_PERCENT 10 // 10% of Max Range (Auto Decrease)
- #define GRID_INCREASEBY 15 // Increase Grid color based on Background color
- #define FALL_INCREASEBY 60 // Increase Falloff color based on Background
- #define DELAY_10MS 10
- #define DEFAULT_SPEED 10
- // Peak Meter Control styles
- #define PMS_HORIZONTAL 0x0000 // Horizontal band
- #define PMS_VERTICAL 0x0001 // Vertical band
- // Peak Meter data
- struct PeakMeterData {
- public:
- int nValue;
- int nFalloff;
- int nPeak;
- PeakMeterData() :
- nValue(0), nFalloff(0), nPeak(0)
- {
- }
-
- ~PeakMeterData() { }
- PeakMeterData& Copy(const PeakMeterData& pm);
- PeakMeterData& operator=(const PeakMeterData& pm) { return Copy( pm ); }
- bool IsEqual(const PeakMeterData& pm);
- bool IsGreater(const PeakMeterData& pm);
- bool IsLower(const PeakMeterData& pm);
- bool operator==(const PeakMeterData& pm) { return IsEqual( pm ); }
- bool operator!=(const PeakMeterData& pm) { return !IsEqual( pm ); }
- bool operator<(const PeakMeterData& pm) { return IsLower( pm ); }
- bool operator>(const PeakMeterData& pm) { return IsGreater( pm ); }
- bool operator<=(const PeakMeterData& pm) { return !IsGreater( pm ); }
- bool operator>=(const PeakMeterData& pm) { return !IsLower( pm ); }
- };
- typedef std::vector<PeakMeterData> Vector_MeterData;
- /////////////////////////////////////////////////////////////////////////////
- // CPeakMeterCtrl window
- class CPeakMeterCtrl : public CWnd
- {
- // Construction
- public:
- CPeakMeterCtrl();
- // Attributes
- public:
- BOOL Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext = NULL);
- void SetBackgroundColor(COLORREF colorBgnd);
- void SetMeterBands(int nNumBands, int nLedBands);
- void SetBandsColor(COLORREF colorNormal, COLORREF colorMedium, COLORREF colorHigh);
- void SetFalloffDelay(int nSpeed);
- void SetFalloffEffect(bool bFalloffEffect);
- bool GetFalloffEffect() const;
- void ShowGrid(bool bShowGrid);
- bool IsGridVisible() const;
- void SetRangeValue(int nMin, int nMed, int nMax);
- void GetRangeValue(int* lpiMin, int* lpiMed, int* lpiMax) const;
- bool SetData(const int ArrayValue[], int nOffset, int nSize);
- void Refresh();
- bool IsStarted() const;
- bool Start(UINT uDelay);
- bool Stop();
- // Operations
- public:
- // Overrides
- // ClassWizard generated virtual function overrides
- //{{AFX_VIRTUAL(CPeakMeterCtrl)
- protected:
- virtual void PreSubclassWindow();
- //}}AFX_VIRTUAL
- // Implementation
- public:
- virtual ~CPeakMeterCtrl();
- // Generated message map functions
- protected:
- //{{AFX_MSG(CPeakMeterCtrl)
- afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
- afx_msg void OnDestroy();
- afx_msg void OnPaint();
- //}}AFX_MSG
- DECLARE_MESSAGE_MAP()
- protected:
- void ResetControl();
- void InitData();
- void DrawVertBand(CDC* pDC, CRect& rcClient);
- void DrawHorzBand(CDC* pDC, CRect& rcClient);
- // Peak Meter animation
- virtual void DoTimerProcessing(UINT uID);
- COLORREF m_clrBackground; // Control background color
- COLORREF m_clrNormal; // Normal-range value band color
- COLORREF m_clrMedium; // Medium-range value band color
- COLORREF m_clrHigh; // High-range value band color
- int m_nMinValue; // Minimum value
- int m_nMedValue; // Medium value
- int m_nMaxValue; // Maximum value
- int m_nNumBands; // number of bands
- int m_nLedBands; // number of leds per band
- int m_nSpeed; // Falloff Speed
- bool m_bShowGrid; // Show Tick grid
- bool m_bShowFalloff; // Show Falloff
- UINT m_uTimerID; // timer identifier
- UINT m_nDelay; // Saved delay value
- Vector_MeterData m_MeterData;
- private:
- static void CALLBACK PeakTimerProc(UINT uID, UINT uMsg, DWORD dwUser, DWORD dw1, DWORD dw2);
- };
- /////////////////////////////////////////////////////////////////////////////
- //{{AFX_INSERT_LOCATION}}
- // Microsoft Visual C++ will insert additional declarations immediately before the previous line.
- #endif // !defined(AFX_PEAKMETERCTRL_H__1A889652_9CAB_11D5_9075_000086436E72__INCLUDED_)