TGGCPool
class description - source file - inheritance tree
private:
Int_t MatchGC(TGGC* gc, GCValues_t* values)
void UpdateGC(TGGC* gc, GCValues_t* values)
public:
TGGCPool TGGCPool(TGClient* client)
TGGCPool TGGCPool(const TGGCPool&)
virtual void ~TGGCPool()
static TClass* Class()
void FreeGC(TGGC* gc)
TGGC* GetGC(GCValues_t* values)
virtual TClass* IsA() const
virtual void ShowMembers(TMemberInspector& insp, char* parent)
virtual void Streamer(TBuffer& b)
void StreamerNVirtual(TBuffer& b)
protected:
TList* fList list of graphics contexts in pool
TGGC and TGGCPool
Encapsulate a graphics context used in the low level graphics.
TGGCPool provides a pool of graphics contexts.
TGGCPool(TGClient *client)
Create graphics context pool.
~TGGCPool()
Delete graphics context pool.
void FreeGC(TGGC *gc)
Delete graphics context if it not used anymore.
TGGC* GetGC(GCValues_t *values)
Get the best matching graphics context depending on values.
Int_t MatchGC(TGGC *gc, GCValues_t *values)
Try to find matching graphics context. On success returns the amount
of matching bits (which may be zero if masks have no common bits),
-1 on failure (when there are common bits but not a single match).
void UpdateGC(TGGC *gc, GCValues_t *values)
Update graphics context with the values spcified in values->fMask.
Inline Functions
TClass* Class()
TClass* IsA() const
void ShowMembers(TMemberInspector& insp, char* parent)
void Streamer(TBuffer& b)
void StreamerNVirtual(TBuffer& b)
TGGCPool TGGCPool(const TGGCPool&)
Author: Fons Rademakers 20/9/2000
Last update: root/gui:$Name: $:$Id: TGGC.cxx,v 1.4 2001/06/22 16:10:17 rdm Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
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