TPieSlice Class Reference

A slice of a piechart, see the TPie class.

This class describe the property of single

Definition at line 30 of file TPieSlice.h.

Public Member Functions
	TPieSlice ()
	TPieSlice (const char *, const char *, TPie *, Double_t val=0)
	This constructor create a slice with a particular value. More...
virtual	~TPieSlice ()
virtual Int_t	DistancetoPrimitive (Int_t, Int_t)
	Eval if the mouse is over the area associated with this slice. More...
Double_t	GetRadiusOffset ()
	return the value of the offset in radial direction for this slice. More...
Double_t	GetValue ()
	Return the value of this slice. More...
void	SavePrimitive (std::ostream &out, Option_t *opts="")
	Do nothing. More...
void	SetIsActive (Bool_t is)
void	SetRadiusOffset (Double_t)
	Set the radial offset of this slice. More...
void	SetValue (Double_t)
	Set the value for this slice. More...
Public Member Functions inherited from TNamed
	TNamed ()
	TNamed (const char *name, const char *title)
	TNamed (const TString &name, const TString &title)
	TNamed (const TNamed &named)
TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator. More...
virtual	~TNamed ()
virtual void	Clear (Option_t *option="")
	Set name and title to empty strings (""). More...
virtual TObject *	Clone (const char *newname="") const
	Make a clone of an object using the Streamer facility. More...
virtual Int_t	Compare (const TObject *obj) const
	Compare two TNamed objects. More...
virtual void	Copy (TObject &named) const
	Copy this to obj. More...
virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer. More...
virtual const char *	GetName () const
	Returns name of object. More...
virtual const char *	GetTitle () const
	Returns title of object. More...
virtual ULong_t	Hash () const
	Return hash value for this object. More...
virtual Bool_t	IsSortable () const
virtual void	SetName (const char *name)
	Change (i.e. More...
virtual void	SetNameTitle (const char *name, const char *title)
	Change (i.e. set) all the TNamed parameters (name and title). More...
virtual void	SetTitle (const char *title="")
	Change (i.e. set) the title of the TNamed. More...
virtual void	ls (Option_t *option="") const
	List TNamed name and title. More...
virtual void	Print (Option_t *option="") const
	Print TNamed name and title. More...
virtual Int_t	Sizeof () const
	Return size of the TNamed part of the TObject. More...
Public Member Functions inherited from TObject
	TObject ()
	TObject (const TObject &object)
	TObject copy ctor. More...
TObject &	operator= (const TObject &rhs)
	TObject assignment operator. More...
virtual	~TObject ()
	TObject destructor. More...
virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad. More...
virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action. More...
virtual const char *	ClassName () const
	Returns name of class to which the object belongs. More...
virtual void	Delete (Option_t *option="")
	Delete this object. More...
virtual void	Draw (Option_t *option="")
	Default Draw method for all objects. More...
virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs. More...
virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current pad. More...
virtual void	Dump () const
	Dump contents of object on stdout. More...
virtual void	Execute (const char *method, const char *params, Int_t *error=0)
	Execute method on this object with the given parameter string, e.g. More...
virtual void	Execute (TMethod *method, TObjArray *params, Int_t *error=0)
	Execute method on this object with parameters stored in the TObjArray. More...
virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py). More...
virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes. More...
virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes. More...
virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object. More...
virtual UInt_t	GetUniqueID () const
	Return the unique object id. More...
virtual const char *	GetIconName () const
	Returns mime type name of object. More...
virtual Option_t *	GetOption () const
virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py). More...
virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out. More...
virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname". More...
virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl. More...
virtual void	Inspect () const
	Dump contents of this object in a graphics canvas. More...
virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory). More...
Bool_t	IsOnHeap () const
Bool_t	IsZombie () const
virtual Bool_t	Notify ()
	This method must be overridden to handle object notification. More...
virtual void	Paint (Option_t *option="")
	This method must be overridden if a class wants to paint itself. More...
virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list. More...
virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory. More...
virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list. More...
virtual void	SaveAs (const char *filename="", Option_t *option="") const
	Save this object in the file specified by filename. More...
virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object. More...
virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id. More...
virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More...
virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory. More...
virtual Int_t	Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory. More...
void *	operator new (size_t sz)
void *	operator new[] (size_t sz)
void *	operator new (size_t sz, void *vp)
void *	operator new[] (size_t sz, void *vp)
void	operator delete (void *ptr)
	Operator delete. More...
void	operator delete[] (void *ptr)
	Operator delete []. More...
void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f. More...
void	SetBit (UInt_t f)
void	ResetBit (UInt_t f)
Bool_t	TestBit (UInt_t f) const
Int_t	TestBits (UInt_t f) const
void	InvertBit (UInt_t f)
virtual void	Info (const char *method, const char *msgfmt,...) const
	Issue info message. More...
virtual void	Warning (const char *method, const char *msgfmt,...) const
	Issue warning message. More...
virtual void	Error (const char *method, const char *msgfmt,...) const
	Issue error message. More...
virtual void	SysError (const char *method, const char *msgfmt,...) const
	Issue system error message. More...
virtual void	Fatal (const char *method, const char *msgfmt,...) const
	Issue fatal error message. More...
void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...
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). More...
void	Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete. More...
Public Member Functions inherited from TAttFill
	TAttFill ()
	TAttFill (Color_t fcolor, Style_t fstyle)
	AttFill normal constructor. More...
virtual	~TAttFill ()
	AttFill destructor. More...
void	Copy (TAttFill &attfill) const
	Copy this fill attributes to a new TAttFill. More...
virtual Color_t	GetFillColor () const
virtual Style_t	GetFillStyle () const
virtual Bool_t	IsTransparent () const
virtual void	Modify ()
	Change current fill area attributes if necessary. More...
virtual void	ResetAttFill (Option_t *option="")
	Reset this fill attributes to default values. More...
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. More...
virtual void	SetFillAttributes ()
	Invoke the DialogCanvas Fill attributes. More...
virtual void	SetFillColor (Color_t fcolor)
virtual void	SetFillColorAlpha (Color_t fcolor, Float_t falpha)
	Set a transparent fill color. More...
virtual void	SetFillStyle (Style_t fstyle)
Public Member Functions inherited from TAttLine
	TAttLine ()
	AttLine default constructor. More...
	TAttLine (Color_t lcolor, Style_t lstyle, Width_t lwidth)
	AttLine normal constructor. More...
virtual	~TAttLine ()
	AttLine destructor. More...
void	Copy (TAttLine &attline) const
	Copy this line attributes to a new TAttLine. More...
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. More...
virtual Color_t	GetLineColor () const
virtual Style_t	GetLineStyle () const
virtual Width_t	GetLineWidth () const
virtual void	Modify ()
	Change current line attributes if necessary. More...
virtual void	ResetAttLine (Option_t *option="")
	Reset this line attributes to default values. More...
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. More...
virtual void	SetLineAttributes ()
	Invoke the DialogCanvas Line attributes. More...
virtual void	SetLineColor (Color_t lcolor)
virtual void	SetLineColorAlpha (Color_t lcolor, Float_t lalpha)
	Set a transparent line color. More...
virtual void	SetLineStyle (Style_t lstyle)
virtual void	SetLineWidth (Width_t lwidth)
	ClassDef (TAttLine, 2)

Protected Attributes
TPie *	fPie
	True if is the slice under the mouse pointer. More...
Double_t	fValue
Double_t	fRadiusOffset
Protected Attributes inherited from TNamed
TString	fName
TString	fTitle
Protected Attributes inherited from TAttFill
Color_t	fFillColor
Style_t	fFillStyle
Protected Attributes inherited from TAttLine
Color_t	fLineColor
Style_t	fLineStyle
Width_t	fLineWidth

Private Attributes
Bool_t	fIsActive

Friends
class	TPie

Additional Inherited Members
Public Types inherited from TObject
enum	EStatusBits {   kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4),   kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) }
enum	{ kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff }
enum	{ kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }
Static Public Member Functions inherited from TObject
static Long_t	GetDtorOnly ()
	Return destructor only flag. More...
static void	SetDtorOnly (void *obj)
	Set destructor only flag. More...
static Bool_t	GetObjectStat ()
	Get status of object stat flag. More...
static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable. More...
Protected Member Functions inherited from TObject
void	MakeZombie ()
virtual void	DoError (int level, const char *location, const char *fmt, va_list va) const
	Interface to ErrorHandler (protected). More...

#include <TPieSlice.h>

Inheritance diagram for TPieSlice:

Collaboration diagram for TPieSlice:

Constructor & Destructor Documentation

TPieSlice::TPieSlice

(

)

TPieSlice::TPieSlice	(	const char *	name,
		const char *	title,
		TPie *	pie,
		Double_t	val = 0
	)

This constructor create a slice with a particular value.

Definition at line 46 of file TPieSlice.cxx.

virtual TPieSlice::~TPieSlice ( )

inlinevirtual

Definition at line 43 of file TPieSlice.h.

Member Function Documentation

Int_t TPieSlice::DistancetoPrimitive ( Int_t  , Int_t    )

virtual

Eval if the mouse is over the area associated with this slice.

Reimplemented from TObject.

Definition at line 59 of file TPieSlice.cxx.

Double_t TPieSlice::GetRadiusOffset

(

)

return the value of the offset in radial direction for this slice.

Definition at line 75 of file TPieSlice.cxx.

Referenced by TPie::DistancetoSlice(), TPie::DrawGhost(), TPie::ExecuteEvent(), TPie::GetEntryRadiusOffset(), TPie::Paint(), TPie::SavePrimitive(), and TPieSliceEditor::SetModel().

Double_t TPieSlice::GetValue

(

)

Return the value of this slice.

Definition at line 83 of file TPieSlice.cxx.

Referenced by TPie::GetEntryVal(), TPie::MakeSlices(), TPie::Paint(), TPie::SavePrimitive(), TPieSliceEditor::SetModel(), and TPie::SortSlices().

void TPieSlice::SavePrimitive ( std::ostream &  out, Option_t *  opts = ""  )

virtual

Do nothing.

Reimplemented from TObject.

Definition at line 91 of file TPieSlice.cxx.

void TPieSlice::SetIsActive ( Bool_t  is )

inline

Definition at line 49 of file TPieSlice.h.

Referenced by TPie::DistancetoSlice().

void TPieSlice::SetRadiusOffset

(

Double_t

val

)

Set the radial offset of this slice.

Definition at line 98 of file TPieSlice.cxx.

Referenced by TPieSliceEditor::DoOffset(), TPie::ExecuteEvent(), TPie::Init(), TPie::SetEntryRadiusOffset(), and TPie::SortSlices().

void TPieSlice::SetValue

(

Double_t

val

)

Set the value for this slice.

Negative values are changed with its absolute value.

Definition at line 108 of file TPieSlice.cxx.

Referenced by TPieSliceEditor::DoValue(), TPie::MakeSlices(), TPie::SetEntryVal(), and TPie::SortSlices().

Friends And Related Function Documentation

friend class TPie

friend

Definition at line 53 of file TPieSlice.h.

Member Data Documentation

Bool_t TPieSlice::fIsActive

private

Definition at line 33 of file TPieSlice.h.

Referenced by DistancetoPrimitive(), and TPieSlice().

TPie* TPieSlice::fPie

protected

True if is the slice under the mouse pointer.

Definition at line 36 of file TPieSlice.h.

Referenced by SetValue(), and TPieSlice().

Double_t TPieSlice::fRadiusOffset

protected

Definition at line 38 of file TPieSlice.h.

Referenced by GetRadiusOffset(), SetRadiusOffset(), and TPieSlice().

Double_t TPieSlice::fValue

protected

Definition at line 37 of file TPieSlice.h.

Referenced by GetValue(), SetValue(), and TPieSlice().

---

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

• graf2d/graf/inc/TPieSlice.h
• graf2d/graf/src/TPieSlice.cxx