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Reference Guide
TGPicturePool Class Reference

Definition at line 100 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, UInt_t new_width, UInt_t new_height)
 Get picture with specified size from pool (picture will be scaled if necessary). More...
 
const TGPictureGetPicture (const char *name, Pixmap_t pxmap, Pixmap_t mask=0)
 Get picture with specified pixmap and mask from pool. 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 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, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
void SetBit (UInt_t f)
 
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
 
TString fPath
 
THashTablefPicList
 

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 Long_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...
 

#include <TGPicture.h>

Inheritance diagram for TGPicturePool:
[legend]

Constructor & Destructor Documentation

◆ TGPicturePool() [1/2]

TGPicturePool::TGPicturePool ( const TGPicturePool pp)
protected

copy constructor

Definition at line 54 of file TGPicture.cxx.

◆ TGPicturePool() [2/2]

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

Definition at line 111 of file TGPicture.h.

◆ ~TGPicturePool()

TGPicturePool::~TGPicturePool ( )
virtual

Delete picture cache.

Definition at line 291 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 275 of file TGPicture.cxx.

◆ GetPath()

const char* TGPicturePool::GetPath ( ) const
inline

Definition at line 115 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 80 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 230 of file TGPicture.cxx.

◆ GetPicture() [3/4]

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 136 of file TGPicture.cxx.

◆ GetPicture() [4/4]

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 200 of file TGPicture.cxx.

◆ operator=()

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

assignment operator

Definition at line 65 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 305 of file TGPicture.cxx.

Member Data Documentation

◆ fClient

const TGClient* TGPicturePool::fClient
protected

Definition at line 103 of file TGPicture.h.

◆ fPath

TString TGPicturePool::fPath
protected

Definition at line 104 of file TGPicture.h.

◆ fPicList

THashTable* TGPicturePool::fPicList
protected

Definition at line 105 of file TGPicture.h.

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