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/////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/dcmemory.h
// Purpose: wxMemoryDC class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id: dcmemory.h 48236 2007-08-20 23:43:32Z KO $
// 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);
virtual wxBitmap DoGetAsBitmap(const wxRect* subrect) const
{ return subrect == NULL ? GetSelectedBitmap() : GetSelectedBitmap().GetSubBitmapOfHDC(*subrect, GetHDC() );}
// 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_
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