Logo ROOT  
Reference Guide
TLine.h
Go to the documentation of this file.
1// @(#)root/graf:$Id$
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_TLine
13#define ROOT_TLine
14
15
16#include "TObject.h"
17#include "TAttLine.h"
18#include "TAttBBox2D.h"
19#include "TPoint.h"
20#include "GuiTypes.h"
21
22
23class TLine : public TObject, public TAttLine, public TAttBBox2D {
24
25protected:
26 Double_t fX1{0}; ///< X of 1st point
27 Double_t fY1{0}; ///< Y of 1st point
28 Double_t fX2{0}; ///< X of 2nd point
29 Double_t fY2{0}; ///< Y of 2nd point
30
31public:
32 // TLine status bits
33 enum {
34 kLineNDC = BIT(14), ///< Use NDC coordinates
35 kVertical = BIT(15), ///< Line is vertical
36 kHorizontal = BIT(16) ///< Line is horizontal
37 };
38
39 TLine() {}
41 TLine(const TLine &line);
42 virtual ~TLine() = default;
43
44 TLine &operator=(const TLine &src);
45
46 void Copy(TObject &line) const;
47 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
50 virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
51 Double_t GetX1() const {return fX1;}
52 Double_t GetX2() const {return fX2;}
53 Double_t GetY1() const {return fY1;}
54 Double_t GetY2() const {return fY2;}
57 virtual void ls(Option_t *option="") const;
58 virtual void Paint(Option_t *option="");
59 virtual void PaintLine(Double_t x1, Double_t y1,Double_t x2, Double_t y2);
60 virtual void PaintLineNDC(Double_t u1, Double_t v1,Double_t u2, Double_t v2);
61 virtual void Print(Option_t *option="") const;
62 virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
63 virtual void SetNDC(Bool_t isNDC=kTRUE);
64 void SetHorizontal(Bool_t set = kTRUE); // *TOGGLE* *GETTER=IsHorizontal
65 void SetVertical(Bool_t set = kTRUE); // *TOGGLE* *GETTER=IsVertical
66 virtual void SetX1(Double_t x1) {fX1=x1;}
67 virtual void SetX2(Double_t x2) {fX2=x2;}
68 virtual void SetY1(Double_t y1) {fY1=y1;}
69 virtual void SetY2(Double_t y2) {fY2=y2;}
70 virtual Rectangle_t GetBBox();
71 virtual TPoint GetBBoxCenter();
72 virtual void SetBBoxCenter(const TPoint &p);
73 virtual void SetBBoxCenterX(const Int_t x);
74 virtual void SetBBoxCenterY(const Int_t y);
75 virtual void SetBBoxX1(const Int_t x);
76 virtual void SetBBoxX2(const Int_t x);
77 virtual void SetBBoxY1(const Int_t y);
78 virtual void SetBBoxY2(const Int_t y);
79
80 ClassDef(TLine,3) //A line segment
81};
82
83#endif
int Int_t
Definition: CPyCppyy.h:43
static const double x2[5]
static const double x1[5]
bool Bool_t
Definition: RtypesCore.h:61
double Double_t
Definition: RtypesCore.h:57
const Bool_t kTRUE
Definition: RtypesCore.h:89
const char Option_t
Definition: RtypesCore.h:64
#define ClassDef(name, id)
Definition: Rtypes.h:322
#define BIT(n)
Definition: Rtypes.h:83
Abstract base class for elements drawn in the editor.
Definition: TAttBBox2D.h:19
Line Attributes class.
Definition: TAttLine.h:18
A simple line.
Definition: TLine.h:23
virtual void SetY2(Double_t y2)
Definition: TLine.h:69
virtual void SetBBoxCenterX(const Int_t x)
Set X coordinate of the center of the BoundingBox.
Definition: TLine.cxx:587
Double_t fY1
Y of 1st point.
Definition: TLine.h:27
Double_t fX1
X of 1st point.
Definition: TLine.h:26
virtual void SetX2(Double_t x2)
Definition: TLine.h:67
Bool_t IsVertical()
Check whether this line is to be drawn vertically.
Definition: TLine.cxx:442
virtual void ls(Option_t *option="") const
List this line with its attributes.
Definition: TLine.cxx:366
virtual TLine * DrawLine(Double_t x1, Double_t y1, Double_t x2, Double_t y2)
Draw this line with new coordinates.
Definition: TLine.cxx:89
void SetVertical(Bool_t set=kTRUE)
Force the line to be drawn vertically.
Definition: TLine.cxx:482
virtual void PaintLine(Double_t x1, Double_t y1, Double_t x2, Double_t y2)
Draw this line with new coordinates.
Definition: TLine.cxx:384
TLine()
Definition: TLine.h:39
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
Compute distance from point px,py to a line.
Definition: TLine.cxx:76
virtual void SetBBoxCenter(const TPoint &p)
Set center of the BoundingBox.
Definition: TLine.cxx:562
virtual Rectangle_t GetBBox()
Return the bounding Box of the Line.
Definition: TLine.cxx:527
virtual TLine * DrawLineNDC(Double_t x1, Double_t y1, Double_t x2, Double_t y2)
Draw this line with new coordinates in NDC.
Definition: TLine.cxx:101
virtual void Print(Option_t *option="") const
Dump this line with its attributes.
Definition: TLine.cxx:402
virtual void SetBBoxX2(const Int_t x)
Set right hand side of BoundingBox to a value (resize in x direction on right)
Definition: TLine.cxx:632
Bool_t IsHorizontal()
Check whether this line is to be drawn horizontally.
Definition: TLine.cxx:434
Double_t GetY1() const
Definition: TLine.h:53
Double_t GetX2() const
Definition: TLine.h:52
Double_t fX2
X of 2nd point.
Definition: TLine.h:28
virtual void SetBBoxY1(const Int_t y)
Set top of BoundingBox to a value (resize in y direction on top)
Definition: TLine.cxx:643
virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py)
Execute action corresponding to one event.
Definition: TLine.cxx:118
@ kLineNDC
Use NDC coordinates.
Definition: TLine.h:34
@ kHorizontal
Line is horizontal.
Definition: TLine.h:36
@ kVertical
Line is vertical.
Definition: TLine.h:35
virtual void SetX1(Double_t x1)
Definition: TLine.h:66
TLine & operator=(const TLine &src)
Assignment operator.
Definition: TLine.cxx:54
Double_t fY2
Y of 2nd point.
Definition: TLine.h:29
virtual void PaintLineNDC(Double_t u1, Double_t v1, Double_t u2, Double_t v2)
Draw this line with new coordinates in NDC.
Definition: TLine.cxx:393
virtual void SetBBoxCenterY(const Int_t y)
Set Y coordinate of the center of the BoundingBox.
Definition: TLine.cxx:603
virtual void SetBBoxY2(const Int_t y)
Set bottom of BoundingBox to a value (resize in y direction on bottom)
Definition: TLine.cxx:655
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save primitive as a C++ statement(s) on output stream out.
Definition: TLine.cxx:414
void Copy(TObject &line) const
Copy this line to line.
Definition: TLine.cxx:63
virtual void SetY1(Double_t y1)
Definition: TLine.h:68
virtual void SetBBoxX1(const Int_t x)
Set left hand side of BoundingBox to a value (resize in x direction on left)
Definition: TLine.cxx:620
virtual void SetNDC(Bool_t isNDC=kTRUE)
Set NDC mode on if isNDC = kTRUE, off otherwise.
Definition: TLine.cxx:450
virtual TPoint GetBBoxCenter()
Return the center of the BoundingBox as TPoint in pixels.
Definition: TLine.cxx:551
virtual ~TLine()=default
Double_t GetX1() const
Definition: TLine.h:51
void SetHorizontal(Bool_t set=kTRUE)
Force the line to be drawn horizontally.
Definition: TLine.cxx:461
virtual void Paint(Option_t *option="")
Paint this line with its current attributes.
Definition: TLine.cxx:375
Double_t GetY2() const
Definition: TLine.h:54
Mother of all ROOT objects.
Definition: TObject.h:37
Definition: TPoint.h:31
TLine * line
Double_t y[n]
Definition: legend1.C:17
Double_t x[n]
Definition: legend1.C:17