wxWidgets/contrib/include/wx/fl/antiflickpl.h

65 lines
1.6 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: No names yet.
// Purpose: Contrib. demo
// Author: Aleksandras Gluchovas (@Lithuania)
// Modified by:
// Created: 23/10/98
// RCS-ID: $Id$
// Copyright: (c) Aleksandras Gluchovas
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifndef __ANTIFLICKPL_G__
#define __ANTIFLICKPL_G__
#ifdef __GNUG__
#pragma interface "antiflickpl.h"
#endif
#include "wx/fl/controlbar.h"
class cbAntiflickerPlugin : public cbPluginBase
{
DECLARE_DYNAMIC_CLASS( cbAntiflickerPlugin )
protected:
// double-buffers are shared "resource" among all instances of
// antiflicker plugin within the application
//
// TODO:: locking should be implemented, for multithreaded GUIs
static wxBitmap* mpVertBuf;
static wxBitmap* mpHorizBuf;
static wxMemoryDC* mpVertBufDc;
static wxMemoryDC* mpHorizBufDc;
static int mRefCount;
wxDC* mpLRUBufDc; // last-reacently-used buffer
wxRect mLRUArea; // last-reacently-used area
protected:
// returns NULL, if sutable buffer is not present
wxDC* FindSuitableBuffer( const wxRect& forArea );
wxDC* AllocNewBuffer( const wxRect& forArea );
wxDC& GetWindowDC();
wxDC& GetClientDC();
public:
cbAntiflickerPlugin(void);
cbAntiflickerPlugin( wxFrameLayout* pPanel, int paneMask = wxALL_PANES );
virtual ~cbAntiflickerPlugin();
// handlers for plugin events
void OnStartDrawInArea ( cbStartDrawInAreaEvent& event );
void OnFinishDrawInArea( cbFinishDrawInAreaEvent& event );
DECLARE_EVENT_TABLE()
};
#endif /* __ANTIFLICKPL_G__ */