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Reference Guide
TMathText.h
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1 // @(#)root/graf:$Id: TMathText.h 20882 2007-11-19 11:31:26Z rdm $
2 // Author: Yue Shi Lai 12/12/09
3 
4 /*************************************************************************
5  * Copyright (C) 2009, Yue Shi Lai. *
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 #ifndef ROOT_TMathText
12 #define ROOT_TMathText
13 
14 #include "TText.h"
15 #include "TAttFill.h"
16 
17 class TMathTextRenderer;
18 
19 class TMathText : public TText, public TAttFill {
20 protected:
21  void *fRenderer; //!TMathText Painter
22  TMathText &operator=(const TMathText &);
23 
24  void Render(const Double_t x, const Double_t y,
25  const Double_t size, const Double_t angle,
26  const Char_t *t, const Int_t length);
27  void GetSize(Double_t &x0, Double_t &y0,
28  Double_t &x1, Double_t &y1,
29  const Double_t size, const Double_t angle,
30  const Char_t *t, const Int_t length);
31  void GetAlignPoint(Double_t &x0, Double_t &y0,
32  const Double_t size, const Double_t angle,
33  const Char_t *t, const Int_t length,
34  const Short_t align);
35 public:
36  enum {
37  kTextNDC = BIT(14)
38  };
39  TMathText(void);
40  TMathText(
41  Double_t x, Double_t y, const char *text);
42  TMathText(const TMathText &text);
43  virtual ~TMathText(void);
44  void Copy(TObject &text) const;
46  Double_t x, Double_t y, const char *text);
47  void GetBoundingBox(
48  UInt_t &w, UInt_t &h, Bool_t angle = kFALSE);
49  Double_t GetXsize(void);
50  Double_t GetYsize(void);
51  virtual void Paint(Option_t *option = "");
52  virtual void PaintMathText(
53  Double_t x, Double_t y, Double_t angle, Double_t size,
54  const char *text);
55  virtual void SavePrimitive(
56  std::ostream &out, Option_t *option = "");
57  friend class TMathTextRenderer;
58 
59  ClassDef(TMathText,2) //TeX mathematical formula
60 };
61 
62 #endif
virtual void PaintMathText(Double_t x, Double_t y, Double_t angle, Double_t size, const char *text)
Paint text (used by Paint()).
Definition: TMathText.cxx:583
const char Option_t
Definition: RtypesCore.h:62
#define BIT(n)
Definition: Rtypes.h:78
TH1 * h
Definition: legend2.C:5
void GetSize(Double_t &x0, Double_t &y0, Double_t &x1, Double_t &y1, const Double_t size, const Double_t angle, const Char_t *t, const Int_t length)
Get the text bounding box.
Definition: TMathText.cxx:416
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
void GetBoundingBox(UInt_t &w, UInt_t &h, Bool_t angle=kFALSE)
Get the text width and height.
Definition: TMathText.cxx:485
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save primitive as a C++ statement(s) on output stream out.
Definition: TMathText.cxx:676
TMathText(void)
Default constructor.
Definition: TMathText.cxx:344
Fill Area Attributes class.
Definition: TAttFill.h:19
Double_t x[n]
Definition: legend1.C:17
#define ClassDef(name, id)
Definition: Rtypes.h:320
void * fRenderer
Definition: TMathText.h:21
Base class for several text objects.
Definition: TText.h:23
TMathText & operator=(const TMathText &)
TMathText Painter.
Definition: TMathText.cxx:379
friend class TMathTextRenderer
Definition: TMathText.h:57
virtual ~TMathText(void)
Destructor.
Definition: TMathText.cxx:362
unsigned int UInt_t
Definition: RtypesCore.h:42
short Short_t
Definition: RtypesCore.h:35
const Bool_t kFALSE
Definition: RtypesCore.h:88
static const double x1[5]
double Double_t
Definition: RtypesCore.h:55
TText * text
Double_t y[n]
Definition: legend1.C:17
To draw TeX Mathematical Formula.
Definition: TMathText.h:19
Mother of all ROOT objects.
Definition: TObject.h:37
char Char_t
Definition: RtypesCore.h:29
void GetAlignPoint(Double_t &x0, Double_t &y0, const Double_t size, const Double_t angle, const Char_t *t, const Int_t length, const Short_t align)
Alignment.
Definition: TMathText.cxx:449
void Render(const Double_t x, const Double_t y, const Double_t size, const Double_t angle, const Char_t *t, const Int_t length)
Render the text.
Definition: TMathText.cxx:402
virtual void Paint(Option_t *option="")
Paint text.
Definition: TMathText.cxx:563
Double_t GetYsize(void)
Get Y size.
Definition: TMathText.cxx:526
Double_t GetXsize(void)
Get X size.
Definition: TMathText.cxx:505
void Copy(TObject &text) const
Copy.
Definition: TMathText.cxx:391
TMathText * DrawMathText(Double_t x, Double_t y, const char *text)
Make a copy of this object with the new parameters and copy object attributes.
Definition: TMathText.cxx:548