graph.h

EZ-USB 开发板完整资料

//--------------------------------------------------------------------------
//
//  Filename:     Graph.h
//
//  Description:  
//
//--------------------------------------------------------------------------
// $Archive: /WirelessUSB/WUSB Kits/CY3635 N-to-1 DVK/DocSrc/CD_Root/Software/Nto1/common/Graph/Graph.h $
// $Modtime: 10/06/04 6:19p $
// $Revision: 1 $
//--------------------------------------------------------------------------
//
// Copyright 2004, Cypress Semiconductor Corporation.
//
// This software is owned by Cypress Semiconductor Corporation (Cypress)
// and is protected by and subject to worldwide patent protection (United
// States and foreign), United States copyright laws and international
// treaty provisions. Cypress hereby grants to licensee a personal,
// non-exclusive, non-transferable license to copy, use, modify, create
// derivative works of, and compile the Cypress Source Code and derivative
// works for the sole purpose of creating custom software in support of
// licensee product to be used only in conjunction with a Cypress integrated
// circuit as specified in the applicable agreement. Any reproduction,
// modification, translation, compilation, or representation of this
// software except as specified above is prohibited without the express
// written permission of Cypress.
//
// Disclaimer: CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// Cypress reserves the right to make changes without further notice to the
// materials described herein. Cypress does not assume any liability arising
// out of the application or use of any product or circuit described herein.
// Cypress does not authorize its products for use as critical components in
// life-support systems where a malfunction or failure may reasonably be
// expected to result in significant injury to the user. The inclusion of
// Cypress' product in a life-support systems application implies that the
// manufacturer assumes all risk of such use and in doing so indemnifies
// Cypress against all charges.
//
// Use may be limited by and subject to the applicable Cypress software
// license agreement.
//
//--------------------------------------------------------------------------

#if !defined(MYGRAPHH__9DB68B4D_3C7C_47E2_9F72_EEDA5D2CDBB0__INCLUDED_)
#define MYGRAPHH__9DB68B4D_3C7C_47E2_9F72_EEDA5D2CDBB0__INCLUDED_
#pragma once

/////////////////////////////////////////////////////////////////////////////
// Constants.

#define TICK_PIXELS							6			// Size of tick marks.
#define GAP_PIXELS							6			// Better if an even value.
#define LEGEND_COLOR_BAR_WIDTH_PIXELS		50			// Width of color bar.
#define LEGEND_COLOR_BAR_GAP_PIXELS			1			// Space between color bars.

#define Y_AXIS_MAX_TICK_COUNT				10			// How many ticks on y axis.
#define X_AXIS_TICK_LABEL_COUNT				5			// How many ticks between labels on x axis.
#define X_AXIS_MAX_TICK_COUNT				25			// Max ticks on X axis.

#define INTERSERIES_PERCENT_USED           0.85			// How much of the graph is 
														// used for bars/pies (the 
														// rest is for inter-series
														// spacing).

#define TITLE_DIVISOR						4			// Scale font to graph width.
#define LEGEND_DIVISOR						4			// Scale font to graph width.

#define X_AXIS_LABEL_DIVISOR				6			// Scale font to graph width.
#define Y_AXIS_LABEL_DIVISOR				4			// Scale font to graph width.

#define MAX_GROUPS_ALLOWED					10

#define PI									3.1415926535897932384626433832795
#define INVALID_MAX_VALUE					0xFFFFFFFF


/////////////////////////////////////////////////////////////////////////////
// CGraphSeries

class CGraphSeries : public CObject
{
	friend class CGraph;

// Construction.
public:
	CGraphSeries(CString sLabel = "");
	virtual ~CGraphSeries();

// Operations.
public:
	void		SetLabel(CString sLabel);
	CString	GetLabel();
	void		SetData(int nGroup, int nValue);
	int			GetData(int nGroup);
	void		DeleteData(int nGroup);

// Implementation.
private:
	int		GetMaxDataValue();
	int		GetNonZeroElementCount();
	int		GetDataTotal();

// Data.
private:
	CString			m_sLabel;										// Series label.
	CPtrArray		m_dwaValues;									// Values array.
};


/////////////////////////////////////////////////////////////////////////////
// CGraph


typedef struct 
{
	CString		sLabel;
	DWORD		dwColor;
} GRAPHICLEGEND, *PGRAPHICLEGEND;

class CGraph : public CStatic
{
// Enum.
public:
	enum				GraphType		{ Bar, Line, Pie };
	static int			m_nXAxisScale;
	static CFileTime	m_nXAxisStartFT;

// Construction.
public:
	CGraph(GraphType eGraphType = CGraph::Line);
	virtual ~CGraph();

// Operations.
public:
	void		SetXAxisLabel(CString sLabel);
	void		SetYAxisLabel(CString sLabel);
	int			AppendGroup(CString sLabel);
	void		AddLegend(int nGroup, CString sLabel);
	void		RenameLegend(int nGroup, CString sLabel);
	void		SetGraphType(GraphType eType);
	void		SetGraphTitle(CString sTitle);
	int			LookupLabel(CString sLabel);
	void		DrawGraph(CDC* pDc);
	int			GetGroup(CString sLabel);
	void		RemoveGroup(int group);
	void		AddSeries(CGraphSeries* pCGraphSeries);
	CGraphSeries* GetSeries(CString sLabel);
	int			GetSeriesSize();
	void		RemoveSeries(CGraphSeries* series);
	void		RemoveAllSeries();
	void		RemoveAllLegend(); 

	void		ShiftYAxis(int nShift) { m_nYAxisShift += nShift; }

	void		SetMaxDataValueAllowed(int value) {m_nMaxDataValueAllowed = value;}
	void		SetMinDataValueAllowed(int value) {m_nYAxisShift = value;}
	int			GetMaxDataValueAllowed() {return m_nMaxDataValueAllowed;}
	int			GetMinDataValueAllowed() {return m_nYAxisShift;}

// Implementation.
private:
	void		DrawTitle(CDC* pDc);
	void		SetupAxes(CDC* pDc);
	void		DrawAxes(CDC* pDc);
	void		DrawLegend(CDC* pDc);
	void		DrawSeriesBar(CDC* pDc);
	void		DrawSeriesLine(CDC* pDc);
	void		DrawSeriesPie(CDC* pDc);

	int			GetMaxLegendLabelLength(CDC* pDc);
	int			GetMaxSeriesSize();
	int			GetMaxNonZeroSeriesSize();
	int			GetMaxDataValue();
	int			GetNonZeroSeriesCount();

	CPoint		WedgeEndFromDegrees(int nDegrees, CPoint *ptCenter,
					int nRadius);

	static UINT			SpinTheMessageLoop(bool bNoDrawing = false,
								bool bOnlyDrawing = false,
								UINT uiMsgAllowed = WM_NULL);

	static void	RGBtoHLS(COLORREF crRGB, WORD wH, WORD wL, WORD wS);
	static COLORREF	HLStoRGB(WORD wH, WORD wL, WORD wS);
	static WORD	HueToRGB(WORD w1, WORD w2, WORD wH);

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

// Generated message map functions
protected:
	DECLARE_MESSAGE_MAP()

// Data.
private:
	int				m_nXAxisWidth;
	int				m_nYAxisHeight;
	CPoint			m_ptOrigin;
	CRect			m_rcGraph;
	CRect			m_rcLegend;
	CRect			m_rcTitle;
	CString			m_sXAxisLabel;
	CString			m_sYAxisLabel;
	CString			m_sTitle;
	CDWordArray		m_dwaColors;
	CPtrArray		m_paLegend;
	CObList			m_olCGraphSeries;
	GraphType		m_eGraphType;
	int				m_nYAxisShift;
	int				m_nMaxDataValueAllowed;


};



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

#endif // !defined(MYGRAPHH__9DB68B4D_3C7C_47E2_9F72_EEDA5D2CDBB0__INCLUDED_)