library: libGui
#include "TGPicture.h"

TGPicture

class description - source file - inheritance tree (.pdf)

class TGPicture : public TObject, public TRefCnt

Inheritance Chart:

TObject

TRefCnt

TGPicture

TGSelectedPicture


    protected:

                   TGPicture(const char* name, Bool_t scaled = kFALSE)
                   TGPicture(const char* name, Pixmap_t pxmap, Pixmap_t mask = 0)
      virtual void Draw(Option_t* = "")

    public:

                          TGPicture(const TGPicture&)
                  virtual ~TGPicture()
           static TClass* Class()
             virtual void Draw(Handle_t id, GContext_t gc, Int_t x, Int_t y) const
                   UInt_t GetHeight() const
                 Pixmap_t GetMask() const
      virtual const char* GetName() const
                 Pixmap_t GetPicture() const
                   UInt_t GetWidth() const
          virtual ULong_t Hash() const
       static const char* HashName(const char* name, Int_t width, Int_t height) const
          virtual TClass* IsA() const
                   Bool_t IsScaled() const
               TGPicture& operator=(const TGPicture&)
             virtual void Print(Option_t* option = "") const
             virtual void ShowMembers(TMemberInspector& insp, char* parent)
             virtual void Streamer(TBuffer& b)
                     void StreamerNVirtual(TBuffer& b)

Data Members


    protected:

                  TString fName        name of picture
                   Bool_t fScaled      kTRUE if picture is scaled
                 Pixmap_t fPic         picture pixmap
                 Pixmap_t fMask        picture mask pixmap
      PictureAttributes_t fAttributes  picture attributes

Class Description

                                                                      
 TGPicture & TGPicturePool                                            
                                                                      
 The TGPicture class implements pictures and icons used in the        
 different GUI elements and widgets. The TGPicturePool class          
 implements a TGPicture cache. TGPictures are created, managed and    
 destroyed by the TGPicturePool.

TGPicture(const char *name, Pixmap_t pxmap, Pixmap_t mask)

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

void Draw(Handle_t id, GContext_t gc, Int_t x, Int_t y) const

 Draw a picture.

~TGPicture()

 Delete picture object.

const char* HashName(const char *name, Int_t width, Int_t height)

 Static function returning a unique name used to look up a picture.
 The unique name has the form "name__widthxheight".

void Print(Option_t *) const

 Print picture info.

Inline Functions

          TGPicture TGPicture(const char* name, Pixmap_t pxmap, Pixmap_t mask = 0)
        const char* GetName() const
             UInt_t GetWidth() const
             UInt_t GetHeight() const
           Pixmap_t GetPicture() const
           Pixmap_t GetMask() const
             Bool_t IsScaled() const
            ULong_t Hash() const
               void Draw(Handle_t id, GContext_t gc, Int_t x, Int_t y) const
            TClass* Class()
            TClass* IsA() const
               void ShowMembers(TMemberInspector& insp, char* parent)
               void Streamer(TBuffer& b)
               void StreamerNVirtual(TBuffer& b)
          TGPicture TGPicture(const TGPicture&)
         TGPicture& operator=(const TGPicture&)

Author: Fons Rademakers 01/01/98
Last update: root/gui:$Name: $:$Id: TGPicture.cxx,v 1.24 2005/06/26 23:37:27 rdm Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *

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