no changes (0 -> NULL)

[wxWidgets.git] / include / wx / os2 / dcmemory.h

/////////////////////////////////////////////////////////////////////////////
// Name:        dcmemory.h
// Purpose:     wxMemoryDC class
// Author:      David Webster
// Modified by:
// Created:     09/09/99
// RCS-ID:      $Id$
// Copyright:   (c) David Webster
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_DCMEMORY_H_
#define _WX_DCMEMORY_H_

#include "wx/dcclient.h"

class WXDLLEXPORT wxMemoryDC: public wxDC
{
public:
    wxMemoryDC(void);
    wxMemoryDC(wxDC* pDC); // Create compatible DC

    virtual void SelectObject(const wxBitmap& rBitmap);
protected:
    // override some base class virtuals
    virtual void DoDrawRectangle( wxCoord vX
                                 ,wxCoord vY
                                 ,wxCoord vWidth
                                 ,wxCoord vHeight
                                );
    virtual void DoDrawRoundedRectangle( wxCoord vX
                                        ,wxCoord vY
                                        ,wxCoord vWidth
                                        ,wxCoord vHeight
                                        ,double  dRadius
                                       );
    virtual void DoDrawText( const wxString& rsText
                            ,wxCoord         vX
                            ,wxCoord         vY
                           );
    virtual void DoDrawLine( wxCoord vX1
                            ,wxCoord vY1
                            ,wxCoord vX2
                            ,wxCoord vY2
                           );
    virtual void DoGetSize( int* pWidth
                           ,int* pHeight
                          ) const;
    // create DC compatible with the given one or screen if dc == NULL
    bool CreateCompatible(wxDC* pDC);

    // initialize the newly created DC
    void Init(void);
private:
    DECLARE_DYNAMIC_CLASS(wxMemoryDC)
}; // end of CLASS wxMemoryDC

#endif
    // _WX_DCMEMORY_H_