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Reference Guide
TText.h
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1 // @(#)root/graf:$Id$
2 // Author: Nicolas 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_TText
13 #define ROOT_TText
14 
15 
16 #include "TAttText.h"
17 #include "TNamed.h"
18 #include "TAttBBox2D.h"
19 #include "TPoint.h"
20 #include "GuiTypes.h"
21 
22 
23 class TText : public TNamed, public TAttText, public TAttBBox2D {
24 
25 protected:
26  Double_t fX; ///< X position of text (left,center,etc..)
27  Double_t fY; ///< Y position of text (left,center,etc..)
28  void *fWcsTitle; ///<!Used by TMathText
29 
30 public:
31  // TText status bits
32  enum {
33  kTextNDC = BIT(14) ///< The text position is in the NDC space
34  };
35 
36  TText();
37  TText(Double_t x, Double_t y, const char *text);
38  TText(Double_t x, Double_t y, const wchar_t *text);
39  TText(const TText &text);
40  virtual ~TText();
41  void Copy(TObject &text) const;
42  virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
43  virtual TText *DrawText(Double_t x, Double_t y, const char *text);
44  virtual TText *DrawText(Double_t x, Double_t y, const wchar_t *text);
45  virtual TText *DrawTextNDC(Double_t x, Double_t y, const char *text);
46  virtual TText *DrawTextNDC(Double_t x, Double_t y, const wchar_t *text);
47  virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
48 
49  virtual void GetControlBox(Int_t x, Int_t y, Double_t theta,
50  Int_t cBoxX[4], Int_t cBoxY[4]);
51  Double_t GetX() const { return fX; }
52  virtual void GetBoundingBox(UInt_t &w, UInt_t &h, Bool_t angle = kFALSE);
53  virtual void GetTextAscentDescent(UInt_t &a, UInt_t &d, const char *text) const;
54  virtual void GetTextAscentDescent(UInt_t &a, UInt_t &d, const wchar_t *text) const;
55  virtual void GetTextExtent(UInt_t &w, UInt_t &h, const char *text) const;
56  virtual void GetTextExtent(UInt_t &w, UInt_t &h, const wchar_t *text) const;
57  virtual void GetTextAdvance(UInt_t &a, const char *text, const Bool_t kern=kTRUE) const;
58  const void * GetWcsTitle(void) const;
59  Double_t GetY() const { return fY; }
60 
61  virtual void ls(Option_t *option="") const;
62  virtual void Paint(Option_t *option="");
63  virtual void PaintControlBox(Int_t x, Int_t y, Double_t theta);
64  virtual void PaintText(Double_t x, Double_t y, const char *text);
65  virtual void PaintText(Double_t x, Double_t y, const wchar_t *text);
66  virtual void PaintTextNDC(Double_t u, Double_t v, const char *text);
67  virtual void PaintTextNDC(Double_t u, Double_t v, const wchar_t *text);
68  virtual void Print(Option_t *option="") const;
69  virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
70  virtual void SetMbTitle(const wchar_t *title=L""); // *MENU*
71  virtual void SetNDC(Bool_t isNDC=kTRUE);
72  virtual void SetText(Double_t x, Double_t y, const char *text) {fX=x; fY=y; SetTitle(text);} // *MENU* *ARGS={x=>fX,y=>fY,text=>fTitle}
73  virtual void SetText(Double_t x, Double_t y, const wchar_t *text) {fX=x; fY=y; SetMbTitle(text);}
74  virtual void SetX(Double_t x) { fX = x; } // *MENU*
75  virtual void SetY(Double_t y) { fY = y; } // *MENU*
76 
77  virtual Rectangle_t GetBBox();
78  virtual TPoint GetBBoxCenter();
79  virtual void SetBBoxCenter(const TPoint &p);
80  virtual void SetBBoxCenterX(const Int_t x);
81  virtual void SetBBoxCenterY(const Int_t y);
82  virtual void SetBBoxX1(const Int_t x); //Not Implemented
83  virtual void SetBBoxX2(const Int_t x); //Not Implemented
84  virtual void SetBBoxY1(const Int_t y); //Not Implemented
85  virtual void SetBBoxY2(const Int_t y); //Not Implemented
86 
87  ClassDef(TText,3) //Text
88 };
89 
90 #endif
virtual void Print(Option_t *option="") const
Dump this text with its attributes.
Definition: TText.cxx:781
virtual void GetTextAscentDescent(UInt_t &a, UInt_t &d, const char *text) const
Return text ascent and descent for string text.
Definition: TText.cxx:524
virtual void SetBBoxCenterY(const Int_t y)
Set Y coordinate of the point given by Alignment as &#39;center&#39;.
Definition: TText.cxx:924
const char Option_t
Definition: RtypesCore.h:62
RooArgList L(const RooAbsArg &v1)
virtual void SetMbTitle(const wchar_t *title=L"")
Change (i.e. set) the title of the TNamed.
Definition: TText.cxx:823
virtual void SetX(Double_t x)
Definition: TText.h:74
virtual void ls(Option_t *option="") const
List this text with its attributes.
Definition: TText.cxx:672
void Copy(TObject &text) const
Copy this text to text.
Definition: TText.cxx:108
#define BIT(n)
Definition: Rtypes.h:75
TH1 * h
Definition: legend2.C:5
virtual void GetControlBox(Int_t x, Int_t y, Double_t theta, Int_t cBoxX[4], Int_t cBoxY[4])
Return the text control box.
Definition: TText.cxx:424
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
TArc * a
Definition: textangle.C:12
virtual void Paint(Option_t *option="")
Paint this text with its current attributes.
Definition: TText.cxx:681
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save primitive as a C++ statement(s) on output stream out.
Definition: TText.cxx:793
virtual void PaintTextNDC(Double_t u, Double_t v, const char *text)
Draw this text with new coordinates in NDC.
Definition: TText.cxx:763
virtual ~TText()
Text default destructor.
Definition: TText.cxx:90
virtual void SetBBoxY1(const Int_t y)
Set top of BoundingBox to a value (resize in y direction on top)
Definition: TText.cxx:950
virtual void GetTextAdvance(UInt_t &a, const char *text, const Bool_t kern=kTRUE) const
Return text advance for string text if kern is true (default) kerning is taken into account...
Definition: TText.cxx:616
virtual void SetBBoxX2(const Int_t x)
Set right hand side of BoundingBox to a value (resize in x direction on right)
Definition: TText.cxx:942
virtual TPoint GetBBoxCenter()
Return the point given by Alignment as &#39;center&#39;.
Definition: TText.cxx:896
Double_t x[n]
Definition: legend1.C:17
virtual void SetText(Double_t x, Double_t y, const char *text)
Definition: TText.h:72
#define ClassDef(name, id)
Definition: Rtypes.h:297
The TNamed class is the base class for all named ROOT classes.
Definition: TNamed.h:29
virtual TText * DrawTextNDC(Double_t x, Double_t y, const char *text)
Draw this text with new coordinates in NDC.
Definition: TText.cxx:202
virtual void SetBBoxX1(const Int_t x)
Set left hand side of BoundingBox to a value (resize in x direction on left)
Definition: TText.cxx:933
virtual void PaintControlBox(Int_t x, Int_t y, Double_t theta)
Paint the text control box.
Definition: TText.cxx:692
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
Compute distance from point px,py to a string.
Definition: TText.cxx:145
Base class for several text objects.
Definition: TText.h:23
virtual void SetNDC(Bool_t isNDC=kTRUE)
Set NDC mode on if isNDC = kTRUE, off otherwise.
Definition: TText.cxx:814
virtual void SetText(Double_t x, Double_t y, const wchar_t *text)
Definition: TText.h:73
Definition: TPoint.h:31
virtual void SetBBoxY2(const Int_t y)
Set bottom of BoundingBox to a value (resize in y direction on bottom)
Definition: TText.cxx:959
The text position is in the NDC space.
Definition: TText.h:33
Double_t GetX() const
Definition: TText.h:51
virtual Rectangle_t GetBBox()
Return the "bounding Box" of the Box.
Definition: TText.cxx:864
SVector< double, 2 > v
Definition: Dict.h:5
Double_t GetY() const
Definition: TText.h:59
Text Attributes class.
Definition: TAttText.h:18
Double_t fY
Y position of text (left,center,etc..)
Definition: TText.h:27
unsigned int UInt_t
Definition: RtypesCore.h:42
TText()
Text default constructor.
Definition: TText.cxx:60
const Bool_t kFALSE
Definition: RtypesCore.h:92
double Double_t
Definition: RtypesCore.h:55
TText * text
virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py)
Execute action corresponding to one event.
Definition: TText.cxx:225
Double_t y[n]
Definition: legend1.C:17
virtual void GetTextExtent(UInt_t &w, UInt_t &h, const char *text) const
Return text extent for string text.
Definition: TText.cxx:588
Mother of all ROOT objects.
Definition: TObject.h:37
void * fWcsTitle
!Used by TMathText
Definition: TText.h:28
virtual void SetBBoxCenter(const TPoint &p)
Set the point given by Alignment as &#39;center&#39;.
Definition: TText.cxx:907
Abstract base class for elements drawn in the editor.
Definition: TAttBBox2D.h:19
virtual void SetBBoxCenterX(const Int_t x)
Set X coordinate of the point given by Alignment as &#39;center&#39;.
Definition: TText.cxx:916
const void * GetWcsTitle(void) const
Returns the text as UNICODE.
Definition: TText.cxx:131
virtual TText * DrawText(Double_t x, Double_t y, const char *text)
Draw this text with new coordinates.
Definition: TText.cxx:176
virtual void SetY(Double_t y)
Definition: TText.h:75
virtual void SetTitle(const char *title="")
Set the title of the TNamed.
Definition: TNamed.cxx:155
const Bool_t kTRUE
Definition: RtypesCore.h:91
virtual void PaintText(Double_t x, Double_t y, const char *text)
Draw this text with new coordinates.
Definition: TText.cxx:745
Double_t fX
X position of text (left,center,etc..)
Definition: TText.h:26
virtual void GetBoundingBox(UInt_t &w, UInt_t &h, Bool_t angle=kFALSE)
Return text size in pixels.
Definition: TText.cxx:474