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Reference Guide
TGPicturePool Class Reference

Definition at line 89 of file TGPicture.h.

Public Member Functions

 TGPicturePool (const TGClient *client, const char *path)
 
virtual ~TGPicturePool ()
 Delete picture cache. More...
 
void FreePicture (const TGPicture *pic)
 Remove picture from cache if nobody is using it anymore. More...
 
const char * GetPath () const
 
const TGPictureGetPicture (const char *name)
 Get a picture from the picture pool. More...
 
const TGPictureGetPicture (const char *name, char **xpm)
 Create picture from XPM data. More...
 
const TGPictureGetPicture (const char *name, Pixmap_t pxmap, Pixmap_t mask=0)
 Get picture with specified pixmap and mask from pool. More...
 
const TGPictureGetPicture (const char *name, UInt_t new_width, UInt_t new_height)
 Get picture with specified size from pool (picture will be scaled if necessary). More...
 
void Print (Option_t *option="") const
 List all pictures in the pool. More...
 
- Public Member Functions inherited from TObject
 TObject ()
 TObject constructor. More...
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
virtual ~TObject ()
 TObject destructor. 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...
 
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...
 
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. 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 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 TObjectDrawClone (Option_t *option="") const
 Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad). More...
 
virtual void Dump () const
 Dump contents of object on stdout. More...
 
virtual void Error (const char *method, const char *msgfmt,...) const
 Issue error message. 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 void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. 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 const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual const char * GetName () const
 Returns name of object. More...
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual Option_tGetOption () const
 
virtual const char * GetTitle () const
 Returns title of object. More...
 
virtual UInt_t GetUniqueID () const
 Return the unique object id. More...
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out. More...
 
virtual ULong_t Hash () const
 Return hash value for this object. More...
 
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. More...
 
virtual void Info (const char *method, const char *msgfmt,...) const
 Issue info message. 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...
 
void InvertBit (UInt_t f)
 
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 IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
R__ALWAYS_INLINE Bool_t IsOnHeap () const
 
virtual Bool_t IsSortable () const
 
R__ALWAYS_INLINE Bool_t IsZombie () const
 
virtual void ls (Option_t *option="") const
 The ls function lists the contents of a class on stdout. 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...
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. More...
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete. More...
 
void operator delete (void *ptr)
 Operator delete. More...
 
void operator delete[] (void *ptr)
 Operator delete []. More...
 
voidoperator new (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz)
 
voidoperator new[] (size_t sz, void *vp)
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. 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 void Print (Option_t *option="") const
 This method must be overridden when a class wants to print itself. 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...
 
void ResetBit (UInt_t f)
 
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...
 
void SetBit (UInt_t f)
 
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. 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 SysError (const char *method, const char *msgfmt,...) const
 Issue system error message. More...
 
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. More...
 
virtual void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message. 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...
 

Protected Member Functions

 TGPicturePool (const TGPicturePool &)
 copy constructor More...
 
TGPicturePooloperator= (const TGPicturePool &)
 assignment operator More...
 
- 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). More...
 
void MakeZombie ()
 

Protected Attributes

const TGClientfClient
 client for which we keep icon pool More...
 
TString fPath
 icon search path More...
 
THashTablefPicList
 hash table containing the icons More...
 

Additional Inherited Members

- Public Types inherited from TObject
enum  {
  kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 ,
  kBitMask = 0x00ffffff
}
 
enum  { kSingleKey = BIT(0) , kOverwrite = BIT(1) , kWriteDelete = BIT(2) }
 
enum  EDeprecatedStatusBits { kObjInCanvas = BIT(3) }
 
enum  EStatusBits {
  kCanDelete = BIT(0) , kMustCleanup = BIT(3) , kIsReferenced = BIT(4) , kHasUUID = BIT(5) ,
  kCannotPick = BIT(6) , kNoContextMenu = BIT(8) , kInvalidObject = BIT(13)
}
 
- Static Public Member Functions inherited from TObject
static Longptr_t GetDtorOnly ()
 Return destructor only flag. More...
 
static Bool_t GetObjectStat ()
 Get status of object stat flag. More...
 
static void SetDtorOnly (void *obj)
 Set destructor only flag. More...
 
static void SetObjectStat (Bool_t stat)
 Turn on/off tracking of objects in the TObjectTable. More...
 
- Protected Types inherited from TObject
enum  { kOnlyPrepStep = BIT(3) }
 

#include <TGPicture.h>

Inheritance diagram for TGPicturePool:
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Constructor & Destructor Documentation

◆ TGPicturePool() [1/2]

TGPicturePool::TGPicturePool ( const TGPicturePool pp)
protected

copy constructor

Definition at line 56 of file TGPicture.cxx.

◆ TGPicturePool() [2/2]

TGPicturePool::TGPicturePool ( const TGClient client,
const char *  path 
)
inline

Definition at line 100 of file TGPicture.h.

◆ ~TGPicturePool()

TGPicturePool::~TGPicturePool ( )
virtual

Delete picture cache.

Definition at line 293 of file TGPicture.cxx.

Member Function Documentation

◆ FreePicture()

void TGPicturePool::FreePicture ( const TGPicture pic)

Remove picture from cache if nobody is using it anymore.

Definition at line 277 of file TGPicture.cxx.

◆ GetPath()

const char * TGPicturePool::GetPath ( ) const
inline

Definition at line 104 of file TGPicture.h.

◆ GetPicture() [1/4]

const TGPicture * TGPicturePool::GetPicture ( const char *  name)

Get a picture from the picture pool.

Picture must be freed using TGPicturePool::FreePicture(). If picture is not found 0 is returned.

Definition at line 82 of file TGPicture.cxx.

◆ GetPicture() [2/4]

const TGPicture * TGPicturePool::GetPicture ( const char *  name,
char **  xpm 
)

Create picture from XPM data.

Picture must be freed using TGPicturePool::FreePicture(). If picture creation failed 0 is returned.

Definition at line 232 of file TGPicture.cxx.

◆ GetPicture() [3/4]

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

Get picture with specified pixmap and mask from pool.

Picture must be freed using TGPicturePool::FreePicture(). If picture is not found 0 is returned.

Definition at line 202 of file TGPicture.cxx.

◆ GetPicture() [4/4]

const TGPicture * TGPicturePool::GetPicture ( const char *  name,
UInt_t  new_width,
UInt_t  new_height 
)

Get picture with specified size from pool (picture will be scaled if necessary).

Picture must be freed using TGPicturePool::FreePicture(). If picture is not found 0 is returned.

Definition at line 138 of file TGPicture.cxx.

◆ operator=()

TGPicturePool & TGPicturePool::operator= ( const TGPicturePool pp)
protected

assignment operator

Definition at line 67 of file TGPicture.cxx.

◆ Print()

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

List all pictures in the pool.

Reimplemented from TObject.

Definition at line 307 of file TGPicture.cxx.

Member Data Documentation

◆ fClient

const TGClient* TGPicturePool::fClient
protected

client for which we keep icon pool

Definition at line 92 of file TGPicture.h.

◆ fPath

TString TGPicturePool::fPath
protected

icon search path

Definition at line 93 of file TGPicture.h.

◆ fPicList

THashTable* TGPicturePool::fPicList
protected

hash table containing the icons

Definition at line 94 of file TGPicture.h.

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