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

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/msw/dcmemory.h
// Purpose:     wxMemoryDC class
// Author:      Julian Smart
// Modified by:
// Created:     01/02/97
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_DCMEMORY_H_
#define _WX_DCMEMORY_H_

#include "wx/dcclient.h"

class WXDLLEXPORT wxMemoryDC : public wxDC, public wxMemoryDCBase
{
public:
    wxMemoryDC() { CreateCompatible(NULL); Init(); }
    wxMemoryDC(wxBitmap& bitmap) { CreateCompatible(NULL); Init(); SelectObject(bitmap); }
    wxMemoryDC(wxDC *dc); // Create compatible DC


protected:
    // override some base class virtuals
    virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
    virtual void DoGetSize(int* width, int* height) const;
    virtual void DoSelect(const wxBitmap& bitmap);

    // create DC compatible with the given one or screen if dc == NULL
    bool CreateCompatible(wxDC *dc);

    // initialize the newly created DC
    void Init();

private:
    DECLARE_DYNAMIC_CLASS_NO_COPY(wxMemoryDC)
};

#endif
    // _WX_DCMEMORY_H_