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ROOT
» GUI
» GUI
» TGGC
class TGGC: public TObject, public TRefCnt
TGGC and TGGCPool Encapsulate a graphics context used in the low level graphics. TGGCPool provides a pool of graphics contexts.
Function Members (Methods)
public:
| TGGC( GCValues_t* values = 0) | |
| TGGC(const TGGC& g) | |
| virtual | ~TGGC() |
| void | TObject::AbstractMethod(const char* method) const |
| void | TRefCnt::AddReference() |
| 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 |
| 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() const MENU |
| virtual TObject* | TObject::DrawClone( Option_t* option = "") const MENU |
| virtual void | TObject::Dump() const MENU |
| 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 |
| Int_t | GetArcMode() const |
| const GCValues_t* | GetAttributes() const |
| Pixel_t | GetBackground() const |
| Int_t | GetCapStyle() const |
| Pixmap_t | GetClipMask() const |
| Int_t | GetClipXOrigin() const |
| Int_t | GetClipYOrigin() const |
| const char* | GetDashes() const |
| Int_t | GetDashLen() const |
| Int_t | GetDashOffset() const |
| virtual Option_t* | TObject::GetDrawOption() const |
| static Long_t | TObject::GetDtorOnly() |
| Int_t | GetFillRule() const |
| Int_t | GetFillStyle() const |
| FontH_t | GetFont() const |
| Pixel_t | GetForeground() const |
| EGraphicsFunction | GetFunction() const |
| GContext_t | GetGC() const |
| Bool_t | GetGraphicsExposures() const |
| virtual const char* | TObject::GetIconName() const |
| Int_t | GetJoinStyle() const |
| Int_t | GetLineStyle() const |
| Int_t | GetLineWidth() const |
| Mask_t | GetMask() 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 |
| ULong_t | GetPlaneMask() const |
| Pixmap_t | GetStipple() const |
| Int_t | GetSubwindowMode() const |
| Pixmap_t | GetTile() const |
| Int_t | GetTileStipXOrigin() const |
| Int_t | GetTileStipYOrigin() 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() const MENU |
| void | TObject::InvertBit( UInt_t f) |
| virtual TClass* | IsA() const |
| virtual Bool_t | TObject::IsEqual(const TObject* obj) const |
| virtual Bool_t | TObject::IsFolder() 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 |
| static void | TObject::operator delete(void* ptr) |
| static void | TObject::operator delete(void* ptr, void* vp) |
| static void | TObject::operator delete[](void* ptr) |
| static 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) |
| GContext_t | operator()() const |
| TGGC& | operator=(const TGGC& rhs) |
| virtual void | TObject::Paint( Option_t* option = "") |
| virtual void | TObject::Pop() |
| virtual void | Print( Option_t* option = "") const |
| virtual Int_t | TObject::Read(const char* name) |
| virtual void | TObject::RecursiveRemove( TObject* obj) |
| UInt_t | TRefCnt::References() const |
| UInt_t | TRefCnt::RemoveReference() |
| void | TObject::ResetBit( UInt_t f) |
| virtual void | TObject::SaveAs(const char* filename = "", Option_t* option = "") const MENU |
| virtual void | SavePrimitive( ostream& out, Option_t* option = "") |
| void | SetArcMode( Int_t v) |
| void | SetAttributes( GCValues_t* values) |
| void | SetBackground( Pixel_t v) |
| void | TObject::SetBit( UInt_t f) |
| void | TObject::SetBit( UInt_t f, Bool_t set) |
| void | SetCapStyle( Int_t v) |
| void | SetClipMask( Pixmap_t v) |
| void | SetClipXOrigin( Int_t v) |
| void | SetClipYOrigin( Int_t v) |
| void | SetDashList(const char* v, Int_t len) |
| void | SetDashOffset( Int_t v) |
| virtual void | TObject::SetDrawOption( Option_t* option = "") MENU |
| static void | TObject::SetDtorOnly(void* obj) |
| void | SetFillRule( Int_t v) |
| void | SetFillStyle( Int_t v) |
| void | SetFont( FontH_t v) |
| void | SetForeground( Pixel_t v) |
| void | SetFunction(EGraphicsFunction v) |
| void | SetGraphicsExposures( Bool_t v) |
| void | SetJoinStyle( Int_t v) |
| void | SetLineStyle( Int_t v) |
| void | SetLineWidth( Int_t v) |
| static void | TObject::SetObjectStat( Bool_t stat) |
| void | SetPlaneMask( ULong_t v) |
| void | TRefCnt::SetRefCount( UInt_t r) |
| void | SetStipple( Pixmap_t v) |
| void | SetSubwindowMode( Int_t v) |
| void | SetTile( Pixmap_t v) |
| void | SetTileStipXOrigin( Int_t v) |
| void | SetTileStipYOrigin( Int_t v) |
| virtual void | TObject::SetUniqueID( UInt_t uid) |
| virtual void | ShowMembers( TMemberInspector& insp) |
| virtual void | Streamer( TBuffer& b) |
| void | StreamerNVirtual( TBuffer& b) |
| 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 |
| 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:
| TGGC( GCValues_t* values, Bool_t calledByGCPool) | |
| virtual void | TObject::DoError(int level, const char* location, const char* fmt, va_list va) const |
| TString | GetMaskString() const |
| void | TObject::MakeZombie() |
| void | UpdateValues( GCValues_t* v) |
Data Members
public:
| enum TObject::EStatusBits { | kCanDelete | |
| kMustCleanup | ||
| kObjInCanvas | ||
| kIsReferenced | ||
| kHasUUID | ||
| kCannotPick | ||
| kNoContextMenu | ||
| kInvalidObject | ||
| }; | ||
| enum TObject::[unnamed] { | kIsOnHeap | |
| kNotDeleted | ||
| kZombie | ||
| kBitMask | ||
| kSingleKey | ||
| kOverwrite | ||
| kWriteDelete | ||
| }; | ||
| enum TRefCnt::EReferenceFlag { | kStaticInit | |
| }; |
protected:
| GContext_t | fContext | graphics context handle |
| UInt_t | TRefCnt::fRefs | (1 less than) number of references |
| GCValues_t | fValues | graphics context values + mask |
Class Charts
Function documentation
TGGC( GCValues_t* values, Bool_t calledByGCPool)
Create a graphics context (only called via TGGCPool:: GetGC()).
TGGC( GCValues_t* values = 0)
Create a graphics context, registers GC in GCPool.
TGGC(const TGGC& g)
Copy a graphics context.
~TGGC()
Delete graphics context.
TGGC & operator=(const TGGC& rhs)
Graphics context assignment operator.
GContext_t operator()() const
Not inline due to a bug in g++ 2.96 20000731 (Red Hat Linux 7.0).
void UpdateValues( GCValues_t* v)
Update values + mask.
void SetAttributes( GCValues_t* values)
Set attributes as specified in the values structure.
void SetFunction(EGraphicsFunction v)
Set graphics context drawing function.
void SetPlaneMask( ULong_t v)
Set plane mask.
void SetForeground( Pixel_t v)
Set foreground color.
void SetBackground( Pixel_t v)
Set background color.
void SetLineWidth( Int_t v)
Set line width.
void SetLineStyle( Int_t v)
Set line style (kLineSolid, kLineOnOffDash, kLineDoubleDash).
void SetCapStyle( Int_t v)
Set cap style (kCapNotLast, kCapButt, kCapRound, kCapProjecting).
void SetJoinStyle( Int_t v)
Set line join style (kJoinMiter, kJoinRound, kJoinBevel).
void SetFillStyle( Int_t v)
Set fill style (kFillSolid, kFillTiled, kFillStippled, kFillOpaeueStippled).
void SetFillRule( Int_t v)
Set fill rule (kEvenOddRule, kWindingRule).
void SetTile( Pixmap_t v)
Set tile pixmap for tiling operations.
void SetStipple( Pixmap_t v)
Set 1 plane pixmap for stippling.
void SetTileStipXOrigin( Int_t v)
X offset for tile or stipple operations.
void SetTileStipYOrigin( Int_t v)
Y offset for tile or stipple operations.
void SetFont( FontH_t v)
Set font.
void SetSubwindowMode( Int_t v)
Set sub window mode (kClipByChildren, kIncludeInferiors).
void SetGraphicsExposures( Bool_t v)
True if graphics exposure should be generated.
void SetClipXOrigin( Int_t v)
X origin for clipping.
void SetClipYOrigin( Int_t v)
Y origin for clipping.
void SetClipMask( Pixmap_t v)
Bitmap for clipping.
void SetDashOffset( Int_t v)
Patterned/dashed line offset.
void SetDashList(const char* v, Int_t len)
Set dash pattern. First use SetDashOffset() if not 0.
void SetArcMode( Int_t v)
Set arc mode (kArcChord, kArcPieSlice).
void Print( Option_t* option = "") const
Print graphics contexts info.
TString GetMaskString() const
Returns GC mask as a string - used in SavePrimitive().
void SavePrimitive( ostream& out, Option_t* option = "")
Save graphics context info as a C++ statement(s) on output stream out
GContext_t GetGC() const
{ return fContext; }const GCValues_t * GetAttributes() const
{ return & fValues; } Mask_t GetMask() const
{ return fValues. fMask; }EGraphicsFunction GetFunction() const
{ return fValues. fFunction; } ULong_t GetPlaneMask() const
{ return fValues. fPlaneMask; } Pixel_t GetForeground() const
{ return fValues. fForeground; } Pixel_t GetBackground() const
{ return fValues. fBackground; } Int_t GetLineWidth() const
{ return fValues. fLineWidth; } Int_t GetLineStyle() const
{ return fValues. fLineStyle; } Pixmap_t GetTile() const
{ return fValues. fTile; } Pixmap_t GetStipple() const
{ return fValues. fStipple; } Int_t GetTileStipXOrigin() const
{ return fValues. fTsXOrigin; } Int_t GetTileStipYOrigin() const
{ return fValues. fTsYOrigin; } Int_t GetSubwindowMode() const
{ return fValues. fSubwindowMode; } FontH_t GetFont() const
{ return fValues. fFont; } Bool_t GetGraphicsExposures() const
{ return fValues. fGraphicsExposures; } Int_t GetClipXOrigin() const
{ return fValues. fClipXOrigin; } Int_t GetClipYOrigin() const
{ return fValues. fClipYOrigin; } Pixmap_t GetClipMask() const
{ return fValues. fClipMask; } Int_t GetCapStyle() const
{ return fValues. fCapStyle; } Int_t GetJoinStyle() const
{ return fValues. fJoinStyle; } Int_t GetFillStyle() const
{ return fValues. fFillStyle; } Int_t GetFillRule() const
{ return fValues. fFillRule; } Int_t GetDashOffset() const
{ return fValues. fDashOffset; } Int_t GetDashLen() const
{ return fValues. fDashLen; }const char * GetDashes() const
{ return fValues. fDashes; } Int_t GetArcMode() const
{ return fValues. fArcMode; }