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1// @(#)root/graf:$Id$
2// Author: Rene Brun 16/10/95
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 *************************************************************************/
12#ifndef ROOT_TEllipse
13#define ROOT_TEllipse
16#include "TObject.h"
17#include "TAttLine.h"
18#include "TAttFill.h"
19#include "TAttBBox2D.h"
21class TPoint;
23class TEllipse : public TObject, public TAttLine, public TAttFill, public TAttBBox2D {
26 Double_t fX1; ///< X coordinate of centre
27 Double_t fY1; ///< Y coordinate of centre
28 Double_t fR1; ///< first radius
29 Double_t fR2; ///< second radius
30 Double_t fPhimin; ///< Minimum angle (degrees)
31 Double_t fPhimax; ///< Maximum angle (degrees)
32 Double_t fTheta; ///< Rotation angle (degrees)
35 // TEllipse status bits
36 enum {
37 kNoEdges = BIT(9) // don't draw lines connecting center to edges
38 };
39 TEllipse();
40 TEllipse(Double_t x1, Double_t y1,Double_t r1,Double_t r2=0,Double_t phimin=0, Double_t phimax=360,Double_t theta=0);
41 TEllipse(const TEllipse &ellipse);
42 ~TEllipse() override;
43 void Copy(TObject &ellipse) const override;
44 Int_t DistancetoPrimitive(Int_t px, Int_t py) override;
45 void Draw(Option_t *option="") override;
47 void ExecuteEvent(Int_t event, Int_t px, Int_t py) override;
49 Double_t GetX1() const {return fX1;}
50 Double_t GetY1() const {return fY1;}
51 Double_t GetR1() const {return fR1;}
52 Double_t GetR2() const {return fR2;}
53 Double_t GetPhimin() const {return fPhimin;}
54 Double_t GetPhimax() const {return fPhimax;}
55 Double_t GetTheta() const {return fTheta;}
56 Bool_t GetNoEdges() const;
57 void ls(Option_t *option="") const override;
58 void Paint(Option_t *option="") override;
59 virtual void PaintEllipse(Double_t x1, Double_t y1, Double_t r1,Double_t r2,Double_t phimin, Double_t phimax,Double_t theta,Option_t *option="");
60 void Print(Option_t *option="") const override;
61 void SavePrimitive(std::ostream &out, Option_t *option = "") override;
62 virtual void SetNoEdges(Bool_t noEdges=kTRUE); // *TOGGLE* *GETTER=GetNoEdges
63 virtual void SetPhimin(Double_t phi=0) {fPhimin=phi;} // *MENU*
64 virtual void SetPhimax(Double_t phi=360) {fPhimax=phi;} // *MENU*
65 virtual void SetR1(Double_t r1) {fR1=r1;} // *MENU*
66 virtual void SetR2(Double_t r2) {fR2=r2;} // *MENU*
67 virtual void SetTheta(Double_t theta=0) {fTheta=theta;} // *MENU*
68 virtual void SetX1(Double_t x1) {fX1=x1;} // *MENU*
69 virtual void SetY1(Double_t y1) {fY1=y1;} // *MENU*
70 Rectangle_t GetBBox() override;
71 TPoint GetBBoxCenter() override;
72 void SetBBoxCenter(const TPoint &p) override;
73 void SetBBoxCenterX(const Int_t x) override;
74 void SetBBoxCenterY(const Int_t y) override;
75 void SetBBoxX1(const Int_t x) override;
76 void SetBBoxX2(const Int_t x) override;
77 void SetBBoxY1(const Int_t y) override;
78 void SetBBoxY2(const Int_t y) override;
80 ClassDefOverride(TEllipse,3) //An ellipse
bool Bool_t
Definition RtypesCore.h:63
int Int_t
Definition RtypesCore.h:45
double Double_t
Definition RtypesCore.h:59
constexpr Bool_t kTRUE
Definition RtypesCore.h:100
const char Option_t
Definition RtypesCore.h:66
#define BIT(n)
Definition Rtypes.h:85
#define ClassDefOverride(name, id)
Definition Rtypes.h:341
winID h TVirtualViewer3D TVirtualGLPainter p
Option_t Option_t option
Option_t Option_t TPoint TPoint const char x1
Option_t Option_t TPoint TPoint const char y1
Abstract base class for elements drawn in the editor.
Definition TAttBBox2D.h:19
Fill Area Attributes class.
Definition TAttFill.h:19
Line Attributes class.
Definition TAttLine.h:18
Draw Ellipses.
Definition TEllipse.h:23
virtual void SetR1(Double_t r1)
Definition TEllipse.h:65
void ls(Option_t *option="") const override
List this ellipse with its attributes.
Definition TEllipse.cxx:545
virtual void SetX1(Double_t x1)
Definition TEllipse.h:68
virtual void PaintEllipse(Double_t x1, Double_t y1, Double_t r1, Double_t r2, Double_t phimin, Double_t phimax, Double_t theta, Option_t *option="")
Draw this ellipse with new coordinates.
Definition TEllipse.cxx:562
void SetBBoxCenterY(const Int_t y) override
Set Y coordinate of the center of the Ellipse.
Definition TEllipse.cxx:745
Double_t GetTheta() const
Definition TEllipse.h:55
void ExecuteEvent(Int_t event, Int_t px, Int_t py) override
Execute action corresponding to one event.
Definition TEllipse.cxx:201
void SetBBoxY1(const Int_t y) override
Set top of BoundingBox to a value (resize in y direction on top)
Definition TEllipse.cxx:782
void SetBBoxX1(const Int_t x) override
Set left hand side of BoundingBox to a value (resize in x direction on left)
Definition TEllipse.cxx:755
Double_t GetPhimax() const
Definition TEllipse.h:54
void SetBBoxY2(const Int_t y) override
Set bottom of BoundingBox to a value (resize in y direction on bottom)
Definition TEllipse.cxx:796
Double_t GetX1() const
Definition TEllipse.h:49
Double_t fPhimax
Maximum angle (degrees)
Definition TEllipse.h:31
Double_t GetPhimin() const
Definition TEllipse.h:53
Int_t DistancetoPrimitive(Int_t px, Int_t py) override
Compute distance from point px,py to an ellipse.
Definition TEllipse.cxx:133
virtual void SetPhimax(Double_t phi=360)
Definition TEllipse.h:64
Double_t fX1
X coordinate of centre.
Definition TEllipse.h:26
void SetBBoxX2(const Int_t x) override
Set right hand side of BoundingBox to a value (resize in x direction on right)
Definition TEllipse.cxx:769
Bool_t GetNoEdges() const
Return kTRUE if kNoEdges bit is set, kFALSE otherwise.
Definition TEllipse.cxx:646
Rectangle_t GetBBox() override
Return the bounding Box of the Ellipse, currently not taking into account the rotating angle.
Definition TEllipse.cxx:698
void Paint(Option_t *option="") override
Paint this ellipse with its current attributes.
Definition TEllipse.cxx:554
Double_t fY1
Y coordinate of centre.
Definition TEllipse.h:27
Double_t fTheta
Rotation angle (degrees)
Definition TEllipse.h:32
virtual void SetPhimin(Double_t phi=0)
Definition TEllipse.h:63
void SetBBoxCenter(const TPoint &p) override
Set center of the Ellipse.
Definition TEllipse.cxx:726
Int_t IsInside(Double_t x, Double_t y) const
Return 1 if the point (x,y) is inside the polygon defined by the ellipse 0 otherwise.
Definition TEllipse.cxx:514
void SetBBoxCenterX(const Int_t x) override
Set X coordinate of the center of the Ellipse.
Definition TEllipse.cxx:736
virtual void SetY1(Double_t y1)
Definition TEllipse.h:69
~TEllipse() override
Ellipse default destructor.
Definition TEllipse.cxx:87
Double_t fR2
second radius
Definition TEllipse.h:29
Double_t GetR2() const
Definition TEllipse.h:52
virtual void SetNoEdges(Bool_t noEdges=kTRUE)
if noEdges = kTRUE the lines connecting the center to the edges will not be drawn.
Definition TEllipse.cxx:656
void Copy(TObject &ellipse) const override
Copy this ellipse to ellipse.
Definition TEllipse.cxx:110
Double_t GetR1() const
Definition TEllipse.h:51
Double_t fPhimin
Minimum angle (degrees)
Definition TEllipse.h:30
Double_t GetY1() const
Definition TEllipse.h:50
TPoint GetBBoxCenter() override
Return the center of the Ellipse as TPoint in pixels.
Definition TEllipse.cxx:713
Ellipse default constructor.
Definition TEllipse.cxx:57
Double_t fR1
first radius
Definition TEllipse.h:28
@ kNoEdges
Definition TEllipse.h:37
virtual TEllipse * DrawEllipse(Double_t x1, Double_t y1, Double_t r1, Double_t r2, Double_t phimin, Double_t phimax, Double_t theta, Option_t *option="")
Draw this ellipse with new coordinates.
Definition TEllipse.cxx:177
virtual void SetR2(Double_t r2)
Definition TEllipse.h:66
void Print(Option_t *option="") const override
Dump this ellipse with its attributes.
Definition TEllipse.cxx:612
virtual void SetTheta(Double_t theta=0)
Definition TEllipse.h:67
void SavePrimitive(std::ostream &out, Option_t *option="") override
Save primitive as a C++ statement(s) on output stream out.
Definition TEllipse.cxx:624
Mother of all ROOT objects.
Definition TObject.h:41
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
th1 Draw()