Logo ROOT  
Reference Guide
TText.h
Go to the documentation of this file.
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
20class TPoint;
21
22class TText : public TNamed, public TAttText, public TAttBBox2D {
23
24protected:
25 Double_t fX{0}; ///< X position of text (left,center,etc..)
26 Double_t fY{0}; ///< Y position of text (left,center,etc..)
27 void *fWcsTitle{nullptr}; ///<!Used by TMathText
28
29public:
30 // TText status bits
31 enum {
32 kTextNDC = BIT(14) ///< The text position is in the NDC space
33 };
34
35 TText() {} // NOLINT: not allowed to use = default because of TObject::kIsOnHeap detection, see ROOT-10300
36 TText(Double_t x, Double_t y, const char *text);
37 TText(Double_t x, Double_t y, const wchar_t *text);
38 TText(const TText &text);
39 virtual ~TText();
40
41 TText &operator=(const TText &src);
42
43 void Copy(TObject &text) const;
44 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
45 virtual TText *DrawText(Double_t x, Double_t y, const char *text);
46 virtual TText *DrawText(Double_t x, Double_t y, const wchar_t *text);
47 virtual TText *DrawTextNDC(Double_t x, Double_t y, const char *text);
48 virtual TText *DrawTextNDC(Double_t x, Double_t y, const wchar_t *text);
49 virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
50
51 virtual void GetControlBox(Int_t x, Int_t y, Double_t theta,
52 Int_t cBoxX[4], Int_t cBoxY[4]);
53 Double_t GetX() const { return fX; }
54 virtual void GetBoundingBox(UInt_t &w, UInt_t &h, Bool_t angle = kFALSE);
55 virtual void GetTextAscentDescent(UInt_t &a, UInt_t &d, const char *text) const;
56 virtual void GetTextAscentDescent(UInt_t &a, UInt_t &d, const wchar_t *text) const;
57 virtual void GetTextExtent(UInt_t &w, UInt_t &h, const char *text) const;
58 virtual void GetTextExtent(UInt_t &w, UInt_t &h, const wchar_t *text) const;
59 virtual void GetTextAdvance(UInt_t &a, const char *text, const Bool_t kern=kTRUE) const;
60 const void * GetWcsTitle(void) const;
61 Double_t GetY() const { return fY; }
62
63 virtual void ls(Option_t *option="") const;
64 virtual void Paint(Option_t *option="");
65 virtual void PaintControlBox(Int_t x, Int_t y, Double_t theta);
66 virtual void PaintText(Double_t x, Double_t y, const char *text);
67 virtual void PaintText(Double_t x, Double_t y, const wchar_t *text);
68 virtual void PaintTextNDC(Double_t u, Double_t v, const char *text);
69 virtual void PaintTextNDC(Double_t u, Double_t v, const wchar_t *text);
70 virtual void Print(Option_t *option="") const;
71 virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
72 virtual void SetMbTitle(const wchar_t *title=L"");
73 virtual void SetNDC(Bool_t isNDC=kTRUE);
74 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}
75 virtual void SetText(Double_t x, Double_t y, const wchar_t *text) {fX=x; fY=y; SetMbTitle(text);}
76 virtual void SetX(Double_t x) { fX = x; } // *MENU*
77 virtual void SetY(Double_t y) { fY = y; } // *MENU*
78
79 virtual Rectangle_t GetBBox();
80 virtual TPoint GetBBoxCenter();
81 virtual void SetBBoxCenter(const TPoint &p);
82 virtual void SetBBoxCenterX(const Int_t x);
83 virtual void SetBBoxCenterY(const Int_t y);
84 virtual void SetBBoxX1(const Int_t x); //Not Implemented
85 virtual void SetBBoxX2(const Int_t x); //Not Implemented
86 virtual void SetBBoxY1(const Int_t y); //Not Implemented
87 virtual void SetBBoxY2(const Int_t y); //Not Implemented
88
89 ClassDef(TText,3) //Text
90};
91
92#endif
#define d(i)
Definition: RSha256.hxx:102
#define h(i)
Definition: RSha256.hxx:106
int Int_t
Definition: RtypesCore.h:45
unsigned int UInt_t
Definition: RtypesCore.h:46
const Bool_t kFALSE
Definition: RtypesCore.h:101
bool Bool_t
Definition: RtypesCore.h:63
double Double_t
Definition: RtypesCore.h:59
const Bool_t kTRUE
Definition: RtypesCore.h:100
const char Option_t
Definition: RtypesCore.h:66
#define ClassDef(name, id)
Definition: Rtypes.h:325
#define BIT(n)
Definition: Rtypes.h:85
Abstract base class for elements drawn in the editor.
Definition: TAttBBox2D.h:19
Text Attributes class.
Definition: TAttText.h:18
The TNamed class is the base class for all named ROOT classes.
Definition: TNamed.h:29
virtual void SetTitle(const char *title="")
Set the title of the TNamed.
Definition: TNamed.cxx:164
Mother of all ROOT objects.
Definition: TObject.h:37
Definition: TPoint.h:31
Base class for several text objects.
Definition: TText.h:22
@ kTextNDC
The text position is in the NDC space.
Definition: TText.h:32
virtual void ls(Option_t *option="") const
List this text with its attributes.
Definition: TText.cxx:671
virtual void SetText(Double_t x, Double_t y, const char *text)
Definition: TText.h:74
virtual TPoint GetBBoxCenter()
Return the point given by Alignment as 'center'.
Definition: TText.cxx:895
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
Compute distance from point px,py to a string.
Definition: TText.cxx:144
Double_t fY
Y position of text (left,center,etc..)
Definition: TText.h:26
const void * GetWcsTitle(void) const
Returns the text as UNICODE.
Definition: TText.cxx:130
TText & operator=(const TText &src)
Assignment operator.
Definition: TText.cxx:98
virtual void SetText(Double_t x, Double_t y, const wchar_t *text)
Definition: TText.h:75
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:941
virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py)
Execute action corresponding to one event.
Definition: TText.cxx:224
virtual ~TText()
Text default destructor.
Definition: TText.cxx:82
Double_t GetX() const
Definition: TText.h:53
virtual void GetBoundingBox(UInt_t &w, UInt_t &h, Bool_t angle=kFALSE)
Return text size in pixels.
Definition: TText.cxx:473
virtual void SetY(Double_t y)
Definition: TText.h:77
virtual void PaintControlBox(Int_t x, Int_t y, Double_t theta)
Paint the text control box.
Definition: TText.cxx:691
virtual void SetBBoxCenterY(const Int_t y)
Set Y coordinate of the point given by Alignment as 'center'.
Definition: TText.cxx:923
virtual TText * DrawText(Double_t x, Double_t y, const char *text)
Draw this text with new coordinates.
Definition: TText.cxx:175
void * fWcsTitle
!Used by TMathText
Definition: TText.h:27
Double_t fX
X position of text (left,center,etc..)
Definition: TText.h:25
virtual void PaintTextNDC(Double_t u, Double_t v, const char *text)
Draw this text with new coordinates in NDC.
Definition: TText.cxx:762
void Copy(TObject &text) const
Copy this text to text.
Definition: TText.cxx:107
virtual void SetBBoxY2(const Int_t y)
Set bottom of BoundingBox to a value (resize in y direction on bottom)
Definition: TText.cxx:958
virtual void PaintText(Double_t x, Double_t y, const char *text)
Draw this text with new coordinates.
Definition: TText.cxx:744
TText()
Definition: TText.h:35
virtual void GetTextExtent(UInt_t &w, UInt_t &h, const char *text) const
Return text extent for string text.
Definition: TText.cxx:587
virtual void GetTextAscentDescent(UInt_t &a, UInt_t &d, const char *text) const
Return text ascent and descent for string text.
Definition: TText.cxx:523
virtual void SetX(Double_t x)
Definition: TText.h:76
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:615
virtual void SetBBoxY1(const Int_t y)
Set top of BoundingBox to a value (resize in y direction on top)
Definition: TText.cxx:949
virtual void Print(Option_t *option="") const
Dump this text with its attributes.
Definition: TText.cxx:780
virtual void SetNDC(Bool_t isNDC=kTRUE)
Set NDC mode on if isNDC = kTRUE, off otherwise.
Definition: TText.cxx:813
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:423
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:932
Double_t GetY() const
Definition: TText.h:61
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save primitive as a C++ statement(s) on output stream out.
Definition: TText.cxx:792
virtual void SetBBoxCenterX(const Int_t x)
Set X coordinate of the point given by Alignment as 'center'.
Definition: TText.cxx:915
virtual TText * DrawTextNDC(Double_t x, Double_t y, const char *text)
Draw this text with new coordinates in NDC.
Definition: TText.cxx:201
virtual void SetMbTitle(const wchar_t *title=L"")
Change (i.e. set) the title of the TNamed.
Definition: TText.cxx:822
virtual void SetBBoxCenter(const TPoint &p)
Set the point given by Alignment as 'center'.
Definition: TText.cxx:906
virtual void Paint(Option_t *option="")
Paint this text with its current attributes.
Definition: TText.cxx:680
virtual Rectangle_t GetBBox()
Return the "bounding Box" of the Box.
Definition: TText.cxx:863
TText * text
Double_t y[n]
Definition: legend1.C:17
Double_t x[n]
Definition: legend1.C:17
static constexpr double L
Rectangle structure (maps to the X11 XRectangle structure)
Definition: GuiTypes.h:361
auto * a
Definition: textangle.C:12