TGPicturePool

class description - source file - inheritance tree

class TGPicturePool : public TObject


    public:

         TGPicturePool TGPicturePool(const TGClient* client, const char* path)
         TGPicturePool TGPicturePool(TGPicturePool&)
          virtual void ~TGPicturePool()
               TClass* Class()
                  void FreePicture(const TGPicture* pic)
           const char* GetPath() const
      const TGPicture* GetPicture(const char* name) const
      const TGPicture* GetPicture(const char* name, UInt_t new_width, UInt_t new_height) const
       virtual TClass* IsA() const
          virtual void ShowMembers(TMemberInspector& insp, char* parent)
          virtual void Streamer(TBuffer& b)

  Data Members

    protected:

        const TGClient* fClient            client for which we keep icon pool
                TString fPath              icon search path
            THashTable* fPicList           hash table containing the icons
      static Colormap_t fgDefaultColormap

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.

const TGPicture* 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.

const TGPicture* 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.

void FreePicture(const TGPicture *fpic)

 Remove picture from cache if nobody is using it anymore.

~TGPicturePool()

 Delete picture cache.

Inline Functions

        TGPicturePool TGPicturePool(const TGClient* client, const char* path)
          const char* GetPath() const
              TClass* Class()
              TClass* IsA() const
                 void ShowMembers(TMemberInspector& insp, char* parent)
                 void Streamer(TBuffer& b)
        TGPicturePool TGPicturePool(TGPicturePool&)

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