src/Utils/MiscUI/MyGraph.h

   1 // MyGraph.h
   2
   3 #if !defined(MYGRAPHH__9DB68B4D_3C7C_47E2_9F72_EEDA5D2CDBB0__INCLUDED_)
   4 #define MYGRAPHH__9DB68B4D_3C7C_47E2_9F72_EEDA5D2CDBB0__INCLUDED_
   5 #pragma once
   6
   7
   8 /////////////////////////////////////////////////////////////////////////////
   9 // MyGraphSeries
  10
  11 class MyGraphSeries : public CObject
  12 {
  13         friend class MyGraph;
  14
  15 // Construction.
  16 public:
  17         MyGraphSeries(const CString& sLabel = _T(""));
  18         virtual ~MyGraphSeries();
  19
  20 // Declared but not defined.
  21 private:
  22         MyGraphSeries(const MyGraphSeries& rhs);
  23         MyGraphSeries& operator=(const MyGraphSeries& rhs);
  24
  25 // Operations.
  26 public:
  27         void    Clear() {m_dwaValues.RemoveAll(); m_oaRegions.RemoveAll();}
  28         void    SetLabel(const CString& sLabel);
  29         CString GetLabel() const;
  30         void    SetData(int nGroup, int nValue);
  31         int             GetData(int nGroup) const;
  32
  33 // Implementation.
  34 private:
  35         int             GetMaxDataValue(bool bStackedGraph) const;
  36         int             GetAverageDataValue() const;
  37         int             GetNonZeroElementCount() const;
  38         int             GetDataTotal() const;
  39         void    SetTipRegion(int nGroup, const CRect& rc);
  40         void    SetTipRegion(int nGroup, CRgn* prgn);
  41         int             HitTest(const CPoint& pt, int searchStart) const;
  42         CString GetTipText(int nGroup, const CString &unitString) const;
  43
  44 // Data.
  45 private:
  46         CString                 m_sLabel;                                                                               // Series label.
  47         CDWordArray             m_dwaValues;                                                                    // Values array.
  48         CArray<CRgn*,CRgn*>             m_oaRegions;                                                                    // Tooltip regions.
  49 };
  50
  51
  52 /////////////////////////////////////////////////////////////////////////////
  53 // MyGraph
  54
  55 class MyGraph : public CStatic
  56 {
  57 // Enum.
  58 public:
  59         enum GraphType          { Bar, Line, PieChart }; // Renamed 'Pie' because it hides a GDI function name
  60
  61 // Construction.
  62 public:
  63         MyGraph(GraphType eGraphType = MyGraph::PieChart, bool bStackedGraph = false);
  64         virtual ~MyGraph();
  65
  66 // Declared but not defined.
  67 private:
  68         MyGraph(const MyGraph& rhs);
  69         MyGraph& operator=(const MyGraph& rhs);
  70
  71 // Operations.
  72 public:
  73         void    Clear();
  74         void    AddSeries(MyGraphSeries& rMyGraphSeries);
  75         void    SetXAxisLabel(const CString& sLabel);
  76         void    SetYAxisLabel(const CString& sLabel);
  77         int             AppendGroup(const CString& sLabel);
  78         void    SetLegend(int nGroup, const CString& sLabel);
  79         void    SetGraphType(GraphType eType, bool bStackedGraph);
  80         void    SetGraphTitle(const CString& sTitle);
  81         int             LookupLabel(const CString& sLabel) const;
  82         void    DrawGraph(CDC& dc);
  83
  84 // Implementation.
  85 private:
  86         void    DrawTitle(CDC& dc);
  87         void    SetupAxes(CDC& dc);
  88         void    DrawAxes(CDC& dc) const;
  89         void    DrawLegend(CDC& dc);
  90         void    DrawSeriesBar(CDC& dc) const;
  91         void    DrawSeriesLine(CDC& dc) const;
  92         void    DrawSeriesLineStacked(CDC& dc) const;
  93         void    DrawSeriesPie(CDC& dc) const;
  94
  95         int             GetMaxLegendLabelLength(CDC& dc) const;
  96         int             GetMaxSeriesSize() const;
  97         int             GetMaxNonZeroSeriesSize() const;
  98         int             GetMaxDataValue() const;
  99         int             GetAverageDataValue() const;
 100         int             GetNonZeroSeriesCount() const;
 101
 102         CString GetTipText() const;
 103
 104         INT_PTR OnToolHitTest(CPoint point, TOOLINFO* pTI) const;
 105
 106         CPoint  WedgeEndFromDegrees(double degrees, const CPoint& ptCenter,
 107                                         double radius) const;
 108
 109         static UINT                     SpinTheMessageLoop(bool bNoDrawing = false,
 110                                                                 bool bOnlyDrawing = false,
 111                                                                 UINT uiMsgAllowed = WM_NULL);
 112
 113         static void                     RGBtoHLS(COLORREF crRGB, WORD& wH, WORD& wL, WORD& wS);
 114         static COLORREF         HLStoRGB(WORD wH, WORD wL, WORD wS);
 115         static WORD                     HueToRGB(WORD w1, WORD w2, WORD wH);
 116
 117         // Overrides
 118         // ClassWizard generated virtual function overrides
 119         //{{AFX_VIRTUAL(MyGraph)
 120         protected:
 121         virtual void PreSubclassWindow();
 122         //}}AFX_VIRTUAL
 123
 124 // Generated message map functions
 125 protected:
 126         //{{AFX_MSG(MyGraph)
 127         afx_msg void OnPaint();
 128         afx_msg void OnSize(UINT nType, int cx, int cy);
 129         //}}AFX_MSG
 130         afx_msg BOOL OnNeedText(UINT uiId, NMHDR* pNMHDR, LRESULT* pResult);
 131         DECLARE_MESSAGE_MAP()
 132
 133 // Data.
 134 private:
 135         int                             m_nXAxisWidth;
 136         int                             m_nYAxisHeight;
 137         int                             m_nAxisLabelHeight;
 138         int                             m_nAxisTickLabelHeight;
 139         CPoint                  m_ptOrigin;
 140         CRect                   m_rcGraph;
 141         CRect                   m_rcLegend;
 142         CRect                   m_rcTitle;
 143         CString                 m_sXAxisLabel;
 144         CString                 m_sYAxisLabel;
 145         CString                 m_sTitle;
 146         CDWordArray             m_dwaColors;
 147         CStringArray    m_saLegendLabels;
 148         CList<MyGraphSeries*,MyGraphSeries*> m_olMyGraphSeries;
 149         GraphType               m_eGraphType;
 150         bool                    m_bStackedGraph;
 151 };
 152
 153 //{{AFX_INSERT_LOCATION}}
 154 // Microsoft Visual C++ will insert additional declarations immediately before the previous line.
 155
 156 #endif // !defined(MYGRAPHH__9DB68B4D_3C7C_47E2_9F72_EEDA5D2CDBB0__INCLUDED_)