Create an Arc.

An arc is specified with the position of its centre, its radius a minimum and maximum angle. The attributes of the outline line are given via TAttLine. The attributes of the fill area are given via TAttFill

Definition at line 26 of file TArc.h.

Public Member Functions
	TArc ()
	Arc default constructor.

	TArc (const TArc &arc)
	Copy constructor.

	TArc (Double_t x1, Double_t y1, Double_t radius, Double_t phimin=0, Double_t phimax=360)
	Arc normal constructor.

	~TArc () override
	Arc default destructor.

void	Copy (TObject &arc) const override
	Copy this arc to arc.

virtual TArc *	DrawArc (Double_t x1, Double_t y1, Double_t radius, Double_t phimin=0, Double_t phimax=360, Option_t *option="")
	Draw this arc with new coordinates.

TClass *	IsA () const override

void	SavePrimitive (std::ostream &out, Option_t *option="") override
	Save primitive as a C++ statement(s) on output stream out.

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TEllipse
	TEllipse ()
	Ellipse default constructor.

	TEllipse (const TEllipse &ellipse)
	Copy constructor.

	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)
	Ellipse normal constructor.

	~TEllipse () override
	Ellipse default destructor.

void	Copy (TObject &ellipse) const override
	Copy this ellipse to ellipse.

Int_t	DistancetoPrimitive (Int_t px, Int_t py) override
	Compute distance from point px,py to an ellipse.

void	Draw (Option_t *option="") override
	Draw this ellipse with its current attributes.

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.

void	ExecuteEvent (Int_t event, Int_t px, Int_t py) override
	Execute action corresponding to one event.

Rectangle_t	GetBBox () override
	Return the bounding Box of the Ellipse, currently not taking into account the rotating angle.

TPoint	GetBBoxCenter () override
	Return the center of the Ellipse as TPoint in pixels.

Bool_t	GetNoEdges () const
	Return kTRUE if kNoEdges bit is set, kFALSE otherwise.

Double_t	GetPhimax () const

Double_t	GetPhimin () const

Double_t	GetR1 () const

Double_t	GetR2 () const

Double_t	GetTheta () const

Double_t	GetX1 () const

Double_t	GetY1 () const

TClass *	IsA () const override

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.

void	ls (Option_t *option="") const override
	List this ellipse with its attributes.

void	Paint (Option_t *option="") override
	Paint this ellipse with its current attributes.

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.

void	Print (Option_t *option="") const override
	Dump this ellipse with its attributes.

void	SavePrimitive (std::ostream &out, Option_t *option="") override
	Save primitive as a C++ statement(s) on output stream out.

void	SetBBoxCenter (const TPoint &p) override
	Set center of the Ellipse.

void	SetBBoxCenterX (const Int_t x) override
	Set X coordinate of the center of the Ellipse.

void	SetBBoxCenterY (const Int_t y) override
	Set Y coordinate of the center of the Ellipse.

void	SetBBoxX1 (const Int_t x) override
	Set left hand side of BoundingBox to a value (resize in x direction on left)

void	SetBBoxX2 (const Int_t x) override
	Set right hand side of BoundingBox to a value (resize in x direction on right)

void	SetBBoxY1 (const Int_t y) override
	Set top of BoundingBox to a value (resize in y direction on top)

void	SetBBoxY2 (const Int_t y) override
	Set bottom of BoundingBox to a value (resize in y direction on bottom)

virtual void	SetNoEdges (Bool_t noEdges=kTRUE)
	if noEdges = kTRUE the lines connecting the center to the edges will not be drawn.

virtual void	SetPhimax (Double_t phi=360)

virtual void	SetPhimin (Double_t phi=0)

virtual void	SetR1 (Double_t r1)

virtual void	SetR2 (Double_t r2)

virtual void	SetTheta (Double_t theta=0)

virtual void	SetX1 (Double_t x1)

virtual void	SetY1 (Double_t y1)

void	Streamer (TBuffer &) override
	Stream an object of class TEllipse.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TObject
	TObject ()
	TObject constructor.

	TObject (const TObject &object)
	TObject copy ctor.

virtual	~TObject ()
	TObject destructor.

void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract.

virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad.

virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action.

ULong_t	CheckedHash ()
	Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.

virtual const char *	ClassName () const
	Returns name of class to which the object belongs.

virtual void	Clear (Option_t *="")

virtual TObject *	Clone (const char *newname="") const
	Make a clone of an object using the Streamer facility.

virtual Int_t	Compare (const TObject *obj) const
	Compare abstract method.

virtual void	Delete (Option_t *option="")
	Delete this object.

virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs.

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad with: `gROOT->SetSelectedPad(c1)`.

virtual void	Dump () const
	Dump contents of object on stdout.

virtual void	Error (const char method, const char msgfmt,...) const
	Issue error message.

virtual void	Execute (const char method, const char params, Int_t *error=nullptr)
	Execute method on this object with the given parameter string, e.g.

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=nullptr)
	Execute method on this object with parameters stored in the TObjArray.

virtual void	Fatal (const char method, const char msgfmt,...) const
	Issue fatal error message.

virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes.

virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes.

virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object.

virtual const char *	GetIconName () const
	Returns mime type name of object.

virtual const char *	GetName () const
	Returns name of object.

virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py).

virtual Option_t *	GetOption () const

virtual const char *	GetTitle () const
	Returns title of object.

virtual UInt_t	GetUniqueID () const
	Return the unique object id.

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out.

virtual ULong_t	Hash () const
	Return hash value for this object.

Bool_t	HasInconsistentHash () const
	Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.

virtual void	Info (const char method, const char msgfmt,...) const
	Issue info message.

virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname".

virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl.

virtual void	Inspect () const
	Dump contents of this object in a graphics canvas.

void	InvertBit (UInt_t f)

Bool_t	IsDestructed () const
	IsDestructed.

virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory).

virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).

R__ALWAYS_INLINE Bool_t	IsOnHeap () const

virtual Bool_t	IsSortable () const

R__ALWAYS_INLINE Bool_t	IsZombie () const

void	MayNotUse (const char *method) const
	Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary).

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification (the base implementation is no-op).

void	Obsolete (const char method, const char asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete.

void	operator delete (void *ptr)
	Operator delete.

void	operator delete (void ptr, void vp)
	Only called by placement new when throwing an exception.

void	operator delete[] (void *ptr)
	Operator delete [].

void	operator delete[] (void ptr, void vp)
	Only called by placement new[] when throwing an exception.

void *	operator new (size_t sz)

void *	operator new (size_t sz, void *vp)

void *	operator new[] (size_t sz)

void *	operator new[] (size_t sz, void *vp)

TObject &	operator= (const TObject &rhs)
	TObject assignment operator.

virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list.

virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory.

virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list.

void	ResetBit (UInt_t f)

virtual void	SaveAs (const char filename="", Option_t option="") const
	Save this object in the file specified by filename.

void	SetBit (UInt_t f)

void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f.

virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object.

virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual void	SysError (const char method, const char msgfmt,...) const
	Issue system error message.

R__ALWAYS_INLINE Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.

virtual void	Warning (const char method, const char msgfmt,...) const
	Issue warning message.

virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.

virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory.

Public Member Functions inherited from TAttLine
	TAttLine ()
	AttLine default constructor.

	TAttLine (Color_t lcolor, Style_t lstyle, Width_t lwidth)
	AttLine normal constructor.

virtual	~TAttLine ()
	AttLine destructor.

void	Copy (TAttLine &attline) const
	Copy this line attributes to a new TAttLine.

Int_t	DistancetoLine (Int_t px, Int_t py, Double_t xp1, Double_t yp1, Double_t xp2, Double_t yp2)
	Compute distance from point px,py to a line.

virtual Color_t	GetLineColor () const
	Return the line color.

virtual Style_t	GetLineStyle () const
	Return the line style.

virtual Width_t	GetLineWidth () const
	Return the line width.

virtual void	Modify ()
	Change current line attributes if necessary.

virtual void	ResetAttLine (Option_t *option="")
	Reset this line attributes to default values.

virtual void	SaveLineAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1, Int_t widdef=1)
	Save line attributes as C++ statement(s) on output stream out.

virtual void	SetLineAttributes ()
	Invoke the DialogCanvas Line attributes.

virtual void	SetLineColor (Color_t lcolor)
	Set the line color.

virtual void	SetLineColorAlpha (Color_t lcolor, Float_t lalpha)
	Set a transparent line color.

virtual void	SetLineStyle (Style_t lstyle)
	Set the line style.

virtual void	SetLineWidth (Width_t lwidth)
	Set the line width.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TAttFill
	TAttFill ()
	AttFill default constructor.

	TAttFill (Color_t fcolor, Style_t fstyle)
	AttFill normal constructor.

virtual	~TAttFill ()
	AttFill destructor.

void	Copy (TAttFill &attfill) const
	Copy this fill attributes to a new TAttFill.

virtual Color_t	GetFillColor () const
	Return the fill area color.

virtual Style_t	GetFillStyle () const
	Return the fill area style.

virtual Bool_t	IsTransparent () const

virtual void	Modify ()
	Change current fill area attributes if necessary.

virtual void	ResetAttFill (Option_t *option="")
	Reset this fill attributes to default values.

virtual void	SaveFillAttributes (std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1001)
	Save fill attributes as C++ statement(s) on output stream out.

virtual void	SetFillAttributes ()
	Invoke the DialogCanvas Fill attributes.

virtual void	SetFillColor (Color_t fcolor)
	Set the fill area color.

virtual void	SetFillColorAlpha (Color_t fcolor, Float_t falpha)
	Set a transparent fill color.

virtual void	SetFillStyle (Style_t fstyle)
	Set the fill area style.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TAttBBox2D
virtual	~TAttBBox2D ()

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TEllipse
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TObject
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Longptr_t	GetDtorOnly ()
	Return destructor only flag.

static Bool_t	GetObjectStat ()
	Get status of object stat flag.

static void	SetDtorOnly (void *obj)
	Set destructor only flag.

static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable.

Static Public Member Functions inherited from TAttLine
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TAttFill
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TAttBBox2D
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Additional Inherited Members
Public Types inherited from TEllipse
enum	{ kNoEdges = (1ULL << ( 9 )) }

Public Types inherited from TObject
enum	{ kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff }

enum	{ kSingleKey = (1ULL << ( 0 )) , kOverwrite = (1ULL << ( 1 )) , kWriteDelete = (1ULL << ( 2 )) }

enum	EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) }

enum	EStatusBits { kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) , kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) }

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = (1ULL << ( 3 )) }

Protected Member Functions inherited from TObject
virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected).

void	MakeZombie ()

Protected Attributes inherited from TEllipse
Double_t	fPhimax
	Maximum angle (degrees)

Double_t	fPhimin
	Minimum angle (degrees)

Double_t	fR1
	first radius

Double_t	fR2
	second radius

Double_t	fTheta
	Rotation angle (degrees)

Double_t	fX1
	X coordinate of centre.

Double_t	fY1
	Y coordinate of centre.

Protected Attributes inherited from TAttLine
Color_t	fLineColor
	Line color.

Style_t	fLineStyle
	Line style.

Width_t	fLineWidth
	Line width.

Protected Attributes inherited from TAttFill
Color_t	fFillColor
	Fill area color.

Style_t	fFillStyle
	Fill area style.

#include <TArc.h>

Inheritance diagram for TArc:

[legend]

Constructor & Destructor Documentation

◆ TArc() [1/3]

TArc::TArc ( )

Arc default constructor.

Definition at line 32 of file TArc.cxx.

◆ TArc() [2/3]

TArc::TArc	(	Double_t	x1,
		Double_t	y1,
		Double_t	r1,
		Double_t	phimin = `0`,
		Double_t	phimax = `360`
	)

Arc normal constructor.

Parameters

[in]	x1,y1	coordinates of centre of arc
[in]	r1	arc radius
[in]	phimin	min angle in degrees (default is 0-->360)
[in]	phimax	max angle in degrees (default is 0-->360)

When a circle sector only is drawn, the lines connecting the center of the arc to the edges are drawn by default. One can specify the drawing option "only" to not draw these lines.

Definition at line 48 of file TArc.cxx.

◆ TArc() [3/3]

TArc::TArc ( const TArc & arc )

Copy constructor.

Definition at line 56 of file TArc.cxx.

◆ ~TArc()

TArc::~TArc ( )

override

Arc default destructor.

Definition at line 64 of file TArc.cxx.

Member Function Documentation

◆ Class()

static TClass * TArc::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TArc::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TArc::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 40 of file TArc.h.

◆ Copy()

void TArc::Copy ( TObject & arc ) const

overridevirtual

Copy this arc to arc.

Reimplemented from TObject.

Definition at line 71 of file TArc.cxx.

◆ DeclFileName()

static const char * TArc::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 40 of file TArc.h.

◆ DrawArc()

TArc * TArc::DrawArc	(	Double_t	x1,
		Double_t	y1,
		Double_t	radius,
		Double_t	phimin = `0`,
		Double_t	phimax = `360`,
		Option_t *	option = `""`
	)

virtual

Draw this arc with new coordinates.

Definition at line 79 of file TArc.cxx.

◆ IsA()

TClass * TArc::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TObject.

Definition at line 40 of file TArc.h.

◆ SavePrimitive()

void TArc::SavePrimitive	(	std::ostream &	out,
		Option_t *	option = `""`
	)

overridevirtual

Save primitive as a C++ statement(s) on output stream out.

Reimplemented from TObject.

Definition at line 92 of file TArc.cxx.

◆ Streamer()

void TArc::Streamer ( TBuffer & R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TObject.

◆ StreamerNVirtual()

void TArc::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 40 of file TArc.h.

Libraries for TArc:

[legend]

The documentation for this class was generated from the following files:

graf2d/graf/inc/TArc.h
graf2d/graf/src/TArc.cxx

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

◆ TArc() [1/3]

◆ TArc() [2/3]

◆ TArc() [3/3]

◆ ~TArc()

Member Function Documentation

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ Copy()

◆ DeclFileName()

◆ DrawArc()

◆ IsA()

◆ SavePrimitive()

◆ Streamer()

◆ StreamerNVirtual()