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TGPicture Class Reference

Definition at line 46 of file TGPicture.h.

Public Member Functions

virtual ~TGPicture ()
 Delete picture object. More...
 
const char * GetName () const
 Returns name of object. More...
 
UInt_t GetWidth () const
 
UInt_t GetHeight () const
 
Pixmap_t GetPicture () const
 
Pixmap_t GetMask () const
 
Bool_t IsScaled () const
 
ULong_t Hash () const
 Return hash value for this object. More...
 
virtual void Draw (Handle_t id, GContext_t gc, Int_t x, Int_t y) const
 Draw a picture. More...
 
void Print (Option_t *option="") const
 Print picture info. More...
 
- Public Member Functions inherited from TObject
 TObject ()
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
TObjectoperator= (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 Clear (Option_t *="")
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility. More...
 
virtual Int_t Compare (const TObject *obj) const
 Compare abstract method. More...
 
virtual void Copy (TObject &object) const
 Copy this to obj. More...
 
virtual void Delete (Option_t *option="")
 Delete this object. More...
 
virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
 Computes distance from point (px,py) to the object. More...
 
virtual void DrawClass () const
 Draw class inheritance tree of the class to which this object belongs. More...
 
virtual TObjectDrawClone (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 TObjectFindObject (const char *name) const
 Must be redefined in derived classes. More...
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes. More...
 
virtual Option_tGetDrawOption () 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_tGetOption () const
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual const char * GetTitle () const
 Returns title of object. 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...
 
virtual Bool_t IsSortable () const
 
Bool_t IsOnHeap () const
 
Bool_t IsZombie () const
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. More...
 
virtual void ls (Option_t *option="") const
 The ls function lists the contents of a class on stdout. 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 SavePrimitive (std::ostream &out, Option_t *option="")
 Save a primitive as a C++ statement(s) on output stream "out". 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...
 
voidoperator new (size_t sz)
 
voidoperator new[] (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator 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 TRefCnt
 TRefCnt (Int_t initRef=0)
 
 TRefCnt (EReferenceFlag)
 Leave fRefs alone. More...
 
virtual ~TRefCnt ()
 
UInt_t References () const
 
void SetRefCount (UInt_t r)
 
void AddReference ()
 
UInt_t RemoveReference ()
 

Static Public Member Functions

static const char * HashName (const char *name, Int_t width, Int_t height)
 Static function returning a unique name used to look up a picture. More...
 
- 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

 TGPicture (const char *name, Bool_t scaled=kFALSE)
 
 TGPicture (const char *name, Pixmap_t pxmap, Pixmap_t mask=0)
 ctor. Important: both pixmaps pxmap and mask must be unique (not shared) More...
 
void Draw (Option_t *="")
 Default Draw method for all objects. 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...
 

Protected Attributes

TString fName
 
Bool_t fScaled
 
Pixmap_t fPic
 
Pixmap_t fMask
 
PictureAttributes_t fAttributes
 
- Protected Attributes inherited from TRefCnt
UInt_t fRefs
 

Friends

class TGPicturePool
 

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) }
 
- Public Types inherited from TRefCnt
enum  EReferenceFlag { kStaticInit }
 

#include <TGPicture.h>

Inheritance diagram for TGPicture:
[legend]

Constructor & Destructor Documentation

TGPicture::TGPicture ( const char *  name,
Bool_t  scaled = kFALSE 
)
inlineprotected

Definition at line 57 of file TGPicture.h.

TGPicture::TGPicture ( const char *  name,
Pixmap_t  pxmap,
Pixmap_t  mask = 0 
)
protected

ctor. Important: both pixmaps pxmap and mask must be unique (not shared)

Definition at line 314 of file TGPicture.cxx.

TGPicture::~TGPicture ( )
virtual

Delete picture object.

Definition at line 357 of file TGPicture.cxx.

Member Function Documentation

void TGPicture::Draw ( Option_t option = "")
inlineprotectedvirtual
void TGPicture::Draw ( Handle_t  id,
GContext_t  gc,
Int_t  x,
Int_t  y 
) const
virtual

Draw a picture.

Definition at line 338 of file TGPicture.cxx.

UInt_t TGPicture::GetHeight ( ) const
inline
Pixmap_t TGPicture::GetMask ( ) const
inline
const char* TGPicture::GetName ( ) const
inlinevirtual

Returns name of object.

This default method returns the class name. Classes that give objects a name should override this method.

Reimplemented from TObject.

Definition at line 72 of file TGPicture.h.

Referenced by TGSlider::CreateDisabledPicture(), TGPictureButton::CreateDisabledPicture(), TGListTree::HandleMotion(), Print(), TGIcon::SavePrimitive(), TGToolBar::SavePrimitive(), TGListTreeItemStd::SavePrimitive(), TGPopupMenu::SavePrimitive(), TGPictureButton::SavePrimitive(), and TGScrollBarElement::SetEnabled().

Pixmap_t TGPicture::GetPicture ( ) const
inline
UInt_t TGPicture::GetWidth ( ) const
inline
ULong_t TGPicture::Hash ( ) const
inlinevirtual

Return hash value for this object.

Reimplemented from TObject.

Definition at line 78 of file TGPicture.h.

const char * TGPicture::HashName ( const char *  name,
Int_t  width,
Int_t  height 
)
static

Static function returning a unique name used to look up a picture.

The unique name has the form "name__widthxheight".

Definition at line 371 of file TGPicture.cxx.

Referenced by TGPicturePool::GetPicture().

Bool_t TGPicture::IsScaled ( ) const
inline

Definition at line 77 of file TGPicture.h.

Referenced by TGPicturePool::GetPicture().

void TGPicture::Print ( Option_t option = "") const
virtual

Print picture info.

Reimplemented from TObject.

Definition at line 382 of file TGPicture.cxx.

Friends And Related Function Documentation

friend class TGPicturePool
friend

Definition at line 48 of file TGPicture.h.

Member Data Documentation

PictureAttributes_t TGPicture::fAttributes
protected
Pixmap_t TGPicture::fMask
protected
TString TGPicture::fName
protected

Definition at line 51 of file TGPicture.h.

Referenced by GetName(), Hash(), and TGPicture().

Pixmap_t TGPicture::fPic
protected
Bool_t TGPicture::fScaled
protected

Definition at line 52 of file TGPicture.h.

Referenced by IsScaled(), Print(), and TGPicture().

Collaboration diagram for TGPicture:
[legend]

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