1 // @(#)root/hist:$Id$
2 // Author: Rene Brun 12/12/94
3
4 /*************************************************************************
5 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12 #ifndef ROOT_TAxis
13 #define ROOT_TAxis
14
15
16 //////////////////////////////////////////////////////////////////////////
17 // //
18 // TAxis //
19 // //
20 // Axis class. //
21 // //
22 //////////////////////////////////////////////////////////////////////////
23
24 #ifndef ROOT_TNamed
25 #include "TNamed.h"
26 #endif
27 #ifndef ROOT_TAttAxis
28 #include "TAttAxis.h"
29 #endif
30 #ifndef ROOT_TArrayD
31 #include "TArrayD.h"
32 #endif
33
34 class THashList;
35
36 class TAxis : public TNamed, public TAttAxis {
37
38 private:
39 Int_t fNbins; //Number of bins
40 Double_t fXmin; //low edge of first bin
41 Double_t fXmax; //upper edge of last bin
42 TArrayD fXbins; //Bin edges array in X
43 Int_t fFirst; //first bin to display
44 Int_t fLast; //last bin to display
45 UShort_t fBits2; //second bit status word
46 Bool_t fTimeDisplay; //on/off displaying time values instead of numerics
47 TString fTimeFormat; //Date&time format, ex: 09/12/99 12:34:00
48 TObject *fParent; //!Object owning this axis
49 THashList *fLabels; //List of labels
50
51 public:
52 // TAxis status bits
53 enum { kTickPlus = BIT(9),
54 kTickMinus = BIT(10),
55 kAxisRange = BIT(11),
56 kCenterTitle = BIT(12),
57 kCenterLabels = BIT(14), //bit 13 is used by TObject
58 kRotateTitle = BIT(15),
59 kPalette = BIT(16),
60 kNoExponent = BIT(17),
61 kLabelsHori = BIT(18),
62 kLabelsVert = BIT(19),
63 kLabelsDown = BIT(20),
64 kLabelsUp = BIT(21),
65 kIsInteger = BIT(22),
66 kMoreLogLabels = BIT(23),
67 kDecimals = BIT(11)}; //in fBits2
68
69 TAxis();
70 TAxis(Int_t nbins, Double_t xmin, Double_t xmax);
71 TAxis(Int_t nbins, const Double_t *xbins);
72 TAxis(const TAxis &axis);
73 virtual ~TAxis();
74 TAxis& operator=(const TAxis&);
75
76 virtual void CenterLabels(Bool_t center=kTRUE); // *TOGGLE* *GETTER=GetCenterLabels
77 virtual void CenterTitle(Bool_t center=kTRUE); // *TOGGLE* *GETTER=GetCenterTitle
78 const char *ChooseTimeFormat(Double_t axislength=0);
79 virtual void Copy(TObject &axis) const;
80 virtual void Delete(Option_t * /*option*/ ="") { }
81 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
82 virtual TObject *DrawClone(Option_t * /*option*/ ="") const {return 0;}
83 virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
84 virtual Int_t FindBin(Double_t x);
85 virtual Int_t FindBin(const char *label);
86 virtual Int_t FindFixBin(Double_t x) const;
87 virtual Double_t GetBinCenter(Int_t bin) const;
88 virtual Double_t GetBinCenterLog(Int_t bin) const;
89 const char *GetBinLabel(Int_t bin) const;
90 virtual Double_t GetBinLowEdge(Int_t bin) const;
91 virtual Double_t GetBinUpEdge(Int_t bin) const;
92 virtual Double_t GetBinWidth(Int_t bin) const;
93 virtual void GetCenter(Double_t *center) const;
94 Bool_t GetCenterLabels() const;
95 Bool_t GetCenterTitle() const;
96 THashList *GetLabels() {return fLabels;}
97 virtual void GetLowEdge(Double_t *edge) const;
98 Bool_t GetMoreLogLabels() const;
99 Int_t GetNbins() const { return fNbins; }
100 Bool_t GetNoExponent() const;
101 Bool_t GetDecimals() const;
102 virtual TObject *GetParent() const {return fParent;}
103 Bool_t GetRotateTitle() const;
104 virtual const char *GetTicks() const;
105 virtual Bool_t GetTimeDisplay() const {return fTimeDisplay;}
106 virtual const char *GetTimeFormat() const {return fTimeFormat.Data();}
107 virtual const char *GetTimeFormatOnly() const;
108 const char *GetTitle() const {return fTitle.Data();}
109 const TArrayD *GetXbins() const {return &fXbins;}
110 Int_t GetFirst() const;
111 Int_t GetLast() const;
112 Double_t GetXmin() const {return fXmin;}
113 Double_t GetXmax() const {return fXmax;}
114 virtual void ImportAttributes(const TAxis *axis);
115 Bool_t IsVariableBinSize() const {
116 // true if axis has variable bin sizes, false otherwise
117 return (fXbins.GetSize() != 0);
118 }
119 virtual void LabelsOption(Option_t *option="h"); // *MENU*
120 virtual void RotateTitle(Bool_t rotate=kTRUE); // *TOGGLE* *GETTER=GetRotateTitle
121 virtual void SaveAttributes(std::ostream &out, const char *name, const char *subname);
122 virtual void Set(Int_t nbins, Double_t xmin, Double_t xmax);
123 virtual void Set(Int_t nbins, const Float_t *xbins);
124 virtual void Set(Int_t nbins, const Double_t *xbins);
125 virtual void SetBinLabel(Int_t bin, const char *label);
126 virtual void SetDefaults();
127 virtual void SetDrawOption(Option_t * /*option*/ ="") { }
128 virtual void SetLimits(Double_t xmin, Double_t xmax);
129 virtual void SetMoreLogLabels(Bool_t more=kTRUE); // *TOGGLE* *GETTER=GetMoreLogLabels
130 virtual void SetNoExponent(Bool_t noExponent=kTRUE); // *TOGGLE* *GETTER=GetNoExponent
131 virtual void SetDecimals(Bool_t dot=kTRUE); // *TOGGLE* *GETTER=GetDecimals
132 virtual void SetParent(TObject *obj) {fParent = obj;}
133 virtual void SetRange(Int_t first=0, Int_t last=0); // *MENU*
134 virtual void SetRangeUser(Double_t ufirst, Double_t ulast); // *MENU*
135 virtual void SetTicks(Option_t *option="+"); // *MENU*
136 virtual void SetTimeDisplay(Int_t value) {fTimeDisplay = (value != 0);} // *TOGGLE*
137 virtual void SetTimeFormat(const char *format=""); // *MENU*
138 virtual void SetTimeOffset(Double_t toffset, Option_t *option="local");
139 virtual void UnZoom(); // *MENU*
140 virtual void ZoomOut(Double_t factor=0, Double_t offset=0); // *MENU*
141
142 ClassDef(TAxis,9) //Axis class
143 };
144
145 #endif
146
147