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class TGRegion: public TObject


TGImageMap (with TGRegion and TGRegionWithId help classes)

A TGImageMap provides the functionality like a clickable image in
a web browser with sensitive regions (MAP HTML tag).

Function Members (Methods)

public:

virtual	~TGRegion()
void	TObject::AbstractMethod(const char* method) const
virtual void	TObject::AppendPad(Option_t* option = "")
virtual void	TObject::Browse(TBrowser* b)
static TClass*	Class()
virtual const char*	TObject::ClassName() const
virtual void	TObject::Clear(Option_t* = "")
virtual TObject*	TObject::Clone(const char* newname = "") const
virtual Int_t	TObject::Compare(const TObject* obj) const
Bool_t	Contains(const TPoint& p) const
Bool_t	Contains(Int_t x, Int_t y) const
virtual void	TObject::Copy(TObject& object) const
virtual void	TObject::Delete(Option_t* option = "")MENU
virtual Int_t	TObject::DistancetoPrimitive(Int_t px, Int_t py)
virtual void	TObject::Draw(Option_t* option = "")
virtual void	TObject::DrawClass() constMENU
virtual TObject*	TObject::DrawClone(Option_t* option = "") constMENU
virtual void	TObject::Dump() constMENU
TGRegion	Eor(const TGRegion& r) const
virtual void	TObject::Error(const char* method, const char* msgfmt) const
virtual void	TObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual void	TObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
virtual void	TObject::ExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual void	TObject::Fatal(const char* method, const char* msgfmt) const
virtual TObject*	TObject::FindObject(const char* name) const
virtual TObject*	TObject::FindObject(const TObject* obj) const
TGDimension	GetDimension() const
virtual Option_t*	TObject::GetDrawOption() const
static Long_t	TObject::GetDtorOnly()
virtual const char*	TObject::GetIconName() const
virtual const char*	TObject::GetName() const
virtual char*	TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_t	TObject::GetObjectStat()
virtual Option_t*	TObject::GetOption() const
TGPosition	GetPosition() const
virtual const char*	TObject::GetTitle() const
virtual UInt_t	TObject::GetUniqueID() const
virtual Bool_t	TObject::HandleTimer(TTimer* timer)
virtual ULong_t	TObject::Hash() const
virtual void	TObject::Info(const char* method, const char* msgfmt) const
virtual Bool_t	TObject::InheritsFrom(const char* classname) const
virtual Bool_t	TObject::InheritsFrom(const TClass* cl) const
virtual void	TObject::Inspect() constMENU
TGRegion	Intersect(const TGRegion& r) const
void	TObject::InvertBit(UInt_t f)
virtual TClass*	IsA() const
Bool_t	IsEmpty() const
virtual Bool_t	TObject::IsEqual(const TObject* obj) const
virtual Bool_t	TObject::IsFolder() const
Bool_t	IsNull() const
Bool_t	TObject::IsOnHeap() const
virtual Bool_t	TObject::IsSortable() const
Bool_t	TObject::IsZombie() const
virtual void	TObject::ls(Option_t* option = "") const
void	TObject::MayNotUse(const char* method) const
virtual Bool_t	TObject::Notify()
void	TObject::Obsolete(const char* method, const char* asOfVers, const char* removedFromVers) const
void	TObject::operator delete(void* ptr)
void	TObject::operator delete(void* ptr, void* vp)
void	TObject::operator delete[](void* ptr)
void	TObject::operator delete[](void* ptr, void* vp)
void*	TObject::operator new(size_t sz)
void*	TObject::operator new(size_t sz, void* vp)
void*	TObject::operator new[](size_t sz)
void*	TObject::operator new[](size_t sz, void* vp)
Bool_t	operator!=(const TGRegion& r) const
TGRegion	operator&(const TGRegion& r) const
TGRegion&	operator&=(const TGRegion& r)
TGRegion	operator+(const TGRegion& r) const
TGRegion&	operator+=(const TGRegion& r)
TGRegion	operator-(const TGRegion& r) const
TGRegion&	operator-=(const TGRegion& r)
TGRegion&	operator=(const TGRegion& r)
Bool_t	operator==(const TGRegion& r) const
TGRegion	operator^(const TGRegion& r) const
TGRegion&	operator^=(const TGRegion& r)
TGRegion	operator\|(const TGRegion& r) const
TGRegion&	operator\|=(const TGRegion& r)
virtual void	TObject::Paint(Option_t* option = "")
virtual void	TObject::Pop()
virtual void	TObject::Print(Option_t* option = "") const
virtual Int_t	TObject::Read(const char* name)
virtual void	TObject::RecursiveRemove(TObject* obj)
void	TObject::ResetBit(UInt_t f)
virtual void	TObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU
virtual void	TObject::SavePrimitive(ostream& out, Option_t* option = "")
void	TObject::SetBit(UInt_t f)
void	TObject::SetBit(UInt_t f, Bool_t set)
virtual void	TObject::SetDrawOption(Option_t* option = "")MENU
static void	TObject::SetDtorOnly(void* obj)
static void	TObject::SetObjectStat(Bool_t stat)
virtual void	TObject::SetUniqueID(UInt_t uid)
virtual void	ShowMembers(TMemberInspector& insp) const
virtual void	Streamer(TBuffer&)
void	StreamerNVirtual(TBuffer& ClassDef_StreamerNVirtual_b)
TGRegion	Subtract(const TGRegion& r) const
virtual void	TObject::SysError(const char* method, const char* msgfmt) const
Bool_t	TObject::TestBit(UInt_t f) const
Int_t	TObject::TestBits(UInt_t f) const
	TGRegion()
	TGRegion(const TGRegion& reg)
	TGRegion(Int_t n, TPoint* points, Bool_t winding = kFALSE)
	TGRegion(const TArrayS& x, const TArrayS& y, Bool_t winding = kFALSE)
	TGRegion(Int_t n, Int_t* x, Int_t* y, Bool_t winding = kFALSE)
	TGRegion(Int_t x, Int_t y, UInt_t w, UInt_t h, TGRegion::ERegionType = kRectangle)
TGRegion	Unite(const TGRegion& r) const
virtual void	TObject::UseCurrentStyle()
virtual void	TObject::Warning(const char* method, const char* msgfmt) const
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const

protected:

TGRegion	CopyRegion() const
virtual void	TObject::DoError(int level, const char* location, const char* fmt, va_list va) const
void	TObject::MakeZombie()
	TGRegion(Bool_t)

Data Members

public:

static TObject::(anonymous)	TObject::kBitMask
static TObject::EStatusBits	TObject::kCanDelete
static TObject::EStatusBits	TObject::kCannotPick
static TGRegion::ERegionType	kEllipse
static TObject::EStatusBits	TObject::kHasUUID
static TObject::EStatusBits	TObject::kInvalidObject
static TObject::(anonymous)	TObject::kIsOnHeap
static TObject::EStatusBits	TObject::kIsReferenced
static TObject::EStatusBits	TObject::kMustCleanup
static TObject::EStatusBits	TObject::kNoContextMenu
static TObject::(anonymous)	TObject::kNotDeleted
static TObject::EStatusBits	TObject::kObjInCanvas
static TObject::(anonymous)	TObject::kOverwrite
static TGRegion::ERegionType	kRectangle
static TObject::(anonymous)	TObject::kSingleKey
static TObject::(anonymous)	TObject::kWriteDelete
static TObject::(anonymous)	TObject::kZombie

protected:

TGRegionData*	fData	data describing region

Class Charts

Inheritance Inherited Members Includes Libraries

Function documentation

TGRegion()

 Create a region object.

TGRegion(Bool_t )

 Create empty region.

TGRegion(Int_t x, Int_t y, UInt_t w, UInt_t h, TGRegion::ERegionType = kRectangle)

 Create and initialize a region with a rectangle.

TGRegion(Int_t n, TPoint* points, Bool_t winding = kFALSE)

 Create and intialize a region with a polygon.

TGRegion(const TArrayS& x, const TArrayS& y, Bool_t winding = kFALSE)

 Create and initialize a region with an X and a Y array of points.

TGRegion(Int_t n, Int_t* x, Int_t* y, Bool_t winding = kFALSE)

 Create and initialize a region with an X and Y array of points.

TGRegion(const TGRegion& reg)

 Region copy constructor.

~TGRegion()

 Delete a region.

TGRegion & operator=(const TGRegion& r)

 Region assignment operator.

TGRegion CopyRegion() const

 Copy a region.

Bool_t IsNull() const

 Return true if region is not set.

Bool_t IsEmpty() const

 Return true if region is empty.

Bool_t Contains(const TPoint& p) const

 Return true if point p is contained in the region.

Bool_t Contains(Int_t x, Int_t y) const

 Return true if point (x,y) is contained in the region.

TGRegion Unite(const TGRegion& r) const

 Return the union of this region with r.

TGRegion Intersect(const TGRegion& r) const

 Returns a region which is the intersection of this region and r.

TGRegion Subtract(const TGRegion& r) const

 Returns a region which is r subtracted from this region.

TGRegion Eor(const TGRegion& r) const

 Returns a region which is the difference between the union and
 intersection this region and r.

TGDimension GetDimension() const

 Return dimension of region (widht, height).

TGPosition GetPosition() const

 Return position of region (x, y).

Bool_t operator==(const TGRegion& r) const

 Region == operator.

TGRegion operator|(const TGRegion& r) const

{ return Unite(r); }

TGRegion operator+(const TGRegion& r) const

{ return Unite(r); }

TGRegion operator&(const TGRegion& r) const

{ return Intersect(r); }

TGRegion operator-(const TGRegion& r) const

{ return Subtract(r); }

TGRegion operator^(const TGRegion& r) const

{ return Eor(r); }

TGRegion& operator|=(const TGRegion& r)

{ return *this = *this | r; }

TGRegion& operator+=(const TGRegion& r)

{ return *this = *this + r; }

TGRegion& operator&=(const TGRegion& r)

{ return *this = *this & r; }

TGRegion& operator-=(const TGRegion& r)

{ return *this = *this - r; }

TGRegion& operator^=(const TGRegion& r)

{ return *this = *this ^ r; }

Bool_t operator!=(const TGRegion& r) const

{ return !(operator==(r)); }