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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{0}; ///< X position of text (left,center,etc..)
27  Double_t fY{0}; ///< Y position of text (left,center,etc..)
28  void *fWcsTitle{nullptr}; ///<!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() {} // NOLINT: not allowed to use = default because of TObject::kIsOnHeap detection, see ROOT-10300
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 
42  TText &operator=(const TText &src);
43 
44  void Copy(TObject &text) const;
45  virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
46  virtual TText *DrawText(Double_t x, Double_t y, const char *text);
47  virtual TText *DrawText(Double_t x, Double_t y, const wchar_t *text);
48  virtual TText *DrawTextNDC(Double_t x, Double_t y, const char *text);
49  virtual TText *DrawTextNDC(Double_t x, Double_t y, const wchar_t *text);
50  virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
51 
52  virtual void GetControlBox(Int_t x, Int_t y, Double_t theta,
53  Int_t cBoxX[4], Int_t cBoxY[4]);
54  Double_t GetX() const { return fX; }
55  virtual void GetBoundingBox(UInt_t &w, UInt_t &h, Bool_t angle = kFALSE);
56  virtual void GetTextAscentDescent(UInt_t &a, UInt_t &d, const char *text) const;
57  virtual void GetTextAscentDescent(UInt_t &a, UInt_t &d, const wchar_t *text) const;
58  virtual void GetTextExtent(UInt_t &w, UInt_t &h, const char *text) const;
59  virtual void GetTextExtent(UInt_t &w, UInt_t &h, const wchar_t *text) const;
60  virtual void GetTextAdvance(UInt_t &a, const char *text, const Bool_t kern=kTRUE) const;
61  const void * GetWcsTitle(void) const;
62  Double_t GetY() const { return fY; }
63 
64  virtual void ls(Option_t *option="") const;
65  virtual void Paint(Option_t *option="");
66  virtual void PaintControlBox(Int_t x, Int_t y, Double_t theta);
67  virtual void PaintText(Double_t x, Double_t y, const char *text);
68  virtual void PaintText(Double_t x, Double_t y, const wchar_t *text);
69  virtual void PaintTextNDC(Double_t u, Double_t v, const char *text);
70  virtual void PaintTextNDC(Double_t u, Double_t v, const wchar_t *text);
71  virtual void Print(Option_t *option="") const;
72  virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
73  virtual void SetMbTitle(const wchar_t *title=L"");
74  virtual void SetNDC(Bool_t isNDC=kTRUE);
75  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}
76  virtual void SetText(Double_t x, Double_t y, const wchar_t *text) {fX=x; fY=y; SetMbTitle(text);}
77  virtual void SetX(Double_t x) { fX = x; } // *MENU*
78  virtual void SetY(Double_t y) { fY = y; } // *MENU*
79 
80  virtual Rectangle_t GetBBox();
81  virtual TPoint GetBBoxCenter();
82  virtual void SetBBoxCenter(const TPoint &p);
83  virtual void SetBBoxCenterX(const Int_t x);
84  virtual void SetBBoxCenterY(const Int_t y);
85  virtual void SetBBoxX1(const Int_t x); //Not Implemented
86  virtual void SetBBoxX2(const Int_t x); //Not Implemented
87  virtual void SetBBoxY1(const Int_t y); //Not Implemented
88  virtual void SetBBoxY2(const Int_t y); //Not Implemented
89 
90  ClassDef(TText,3) //Text
91 };
92 
93 #endif
virtual void Print(Option_t *option="") const
Dump this text with its attributes.
Definition: TText.cxx:779
virtual void GetTextAscentDescent(UInt_t &a, UInt_t &d, const char *text) const
Return text ascent and descent for string text.
Definition: TText.cxx:522
virtual void SetBBoxCenterY(const Int_t y)
Set Y coordinate of the point given by Alignment as &#39;center&#39;.
Definition: TText.cxx:922
The text position is in the NDC space.
Definition: TText.h:33
const char Option_t
Definition: RtypesCore.h:62
virtual void SetMbTitle(const wchar_t *title=L"")
Change (i.e. set) the title of the TNamed.
Definition: TText.cxx:821
virtual void SetX(Double_t x)
Definition: TText.h:77
virtual void ls(Option_t *option="") const
List this text with its attributes.
Definition: TText.cxx:670
void Copy(TObject &text) const
Copy this text to text.
Definition: TText.cxx:106
#define BIT(n)
Definition: Rtypes.h:83
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:422
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
virtual void Paint(Option_t *option="")
Paint this text with its current attributes.
Definition: TText.cxx:679
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save primitive as a C++ statement(s) on output stream out.
Definition: TText.cxx:791
virtual void PaintTextNDC(Double_t u, Double_t v, const char *text)
Draw this text with new coordinates in NDC.
Definition: TText.cxx:761
virtual ~TText()
Text default destructor.
Definition: TText.cxx:81
virtual void SetBBoxY1(const Int_t y)
Set top of BoundingBox to a value (resize in y direction on top)
Definition: TText.cxx:948
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:614
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:940
virtual TPoint GetBBoxCenter()
Return the point given by Alignment as &#39;center&#39;.
Definition: TText.cxx:894
Double_t x[n]
Definition: legend1.C:17
virtual void SetText(Double_t x, Double_t y, const char *text)
Definition: TText.h:75
#define ClassDef(name, id)
Definition: Rtypes.h:326
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:200
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:931
virtual void PaintControlBox(Int_t x, Int_t y, Double_t theta)
Paint the text control box.
Definition: TText.cxx:690
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
Compute distance from point px,py to a string.
Definition: TText.cxx:143
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:812
virtual void SetText(Double_t x, Double_t y, const wchar_t *text)
Definition: TText.h:76
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:957
Double_t GetX() const
Definition: TText.h:54
virtual Rectangle_t GetBBox()
Return the "bounding Box" of the Box.
Definition: TText.cxx:862
Double_t GetY() const
Definition: TText.h:62
auto * a
Definition: textangle.C:12
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()
Definition: TText.h:36
#define h(i)
Definition: RSha256.hxx:106
const Bool_t kFALSE
Definition: RtypesCore.h:88
#define d(i)
Definition: RSha256.hxx:102
double Double_t
Definition: RtypesCore.h:55
static constexpr double L
TText * text
virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py)
Execute action corresponding to one event.
Definition: TText.cxx:223
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:586
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:905
TText & operator=(const TText &src)
Assignment operator.
Definition: TText.cxx:97
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:914
const void * GetWcsTitle(void) const
Returns the text as UNICODE.
Definition: TText.cxx:129
virtual TText * DrawText(Double_t x, Double_t y, const char *text)
Draw this text with new coordinates.
Definition: TText.cxx:174
virtual void SetY(Double_t y)
Definition: TText.h:78
virtual void SetTitle(const char *title="")
Set the title of the TNamed.
Definition: TNamed.cxx:164
const Bool_t kTRUE
Definition: RtypesCore.h:87
virtual void PaintText(Double_t x, Double_t y, const char *text)
Draw this text with new coordinates.
Definition: TText.cxx:743
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:472