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TLine.h
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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
20class TPoint;
21
22class TLine : public TObject, public TAttLine, public TAttBBox2D {
23
24protected:
25 Double_t fX1{0}; ///< X of 1st point
26 Double_t fY1{0}; ///< Y of 1st point
27 Double_t fX2{0}; ///< X of 2nd point
28 Double_t fY2{0}; ///< Y of 2nd point
29
30public:
31 // TLine status bits
32 enum {
33 kLineNDC = BIT(14), ///< Use NDC coordinates
34 kVertical = BIT(15), ///< Line is vertical
35 kHorizontal = BIT(16) ///< Line is horizontal
36 };
37
38 TLine() {}
40 TLine(const TLine &line);
41 virtual ~TLine() = default;
42
43 TLine &operator=(const TLine &src);
44
45 void Copy(TObject &line) const;
46 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
49 virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
50 Double_t GetX1() const {return fX1;}
51 Double_t GetX2() const {return fX2;}
52 Double_t GetY1() const {return fY1;}
53 Double_t GetY2() const {return fY2;}
56 virtual void ls(Option_t *option="") const;
57 virtual void Paint(Option_t *option="");
58 virtual void PaintLine(Double_t x1, Double_t y1,Double_t x2, Double_t y2);
59 virtual void PaintLineNDC(Double_t u1, Double_t v1,Double_t u2, Double_t v2);
60 virtual void Print(Option_t *option="") const;
61 virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
62 virtual void SetNDC(Bool_t isNDC=kTRUE);
63 void SetHorizontal(Bool_t set = kTRUE); // *TOGGLE* *GETTER=IsHorizontal
64 void SetVertical(Bool_t set = kTRUE); // *TOGGLE* *GETTER=IsVertical
65 virtual void SetX1(Double_t x1) {fX1=x1;}
66 virtual void SetX2(Double_t x2) {fX2=x2;}
67 virtual void SetY1(Double_t y1) {fY1=y1;}
68 virtual void SetY2(Double_t y2) {fY2=y2;}
69 virtual Rectangle_t GetBBox();
70 virtual TPoint GetBBoxCenter();
71 virtual void SetBBoxCenter(const TPoint &p);
72 virtual void SetBBoxCenterX(const Int_t x);
73 virtual void SetBBoxCenterY(const Int_t y);
74 virtual void SetBBoxX1(const Int_t x);
75 virtual void SetBBoxX2(const Int_t x);
76 virtual void SetBBoxY1(const Int_t y);
77 virtual void SetBBoxY2(const Int_t y);
78
79 ClassDef(TLine,3) //A line segment
80};
81
82#endif
int Int_t
Definition: CPyCppyy.h:43
static const double x2[5]
static const double x1[5]
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
Line Attributes class.
Definition: TAttLine.h:18
A simple line.
Definition: TLine.h:22
virtual void SetY2(Double_t y2)
Definition: TLine.h:68
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:26
Double_t fX1
X of 1st point.
Definition: TLine.h:25
virtual void SetX2(Double_t x2)
Definition: TLine.h:66
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:38
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:52
Double_t GetX2() const
Definition: TLine.h:51
Double_t fX2
X of 2nd point.
Definition: TLine.h:27
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
virtual void SetX1(Double_t x1)
Definition: TLine.h:65
TLine & operator=(const TLine &src)
Assignment operator.
Definition: TLine.cxx:54
Double_t fY2
Y of 2nd point.
Definition: TLine.h:28
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
@ kLineNDC
Use NDC coordinates.
Definition: TLine.h:33
@ kHorizontal
Line is horizontal.
Definition: TLine.h:35
@ kVertical
Line is vertical.
Definition: TLine.h:34
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:67
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:50
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:53
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
Rectangle structure (maps to the X11 XRectangle structure)
Definition: GuiTypes.h:361