46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/dcmemory.h
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// Purpose: wxMemoryDC class
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id: dcmemory.h 48236 2007-08-20 23:43:32Z KO $
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_DCMEMORY_H_
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#define _WX_DCMEMORY_H_
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#include "wx/dcclient.h"
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class WXDLLEXPORT wxMemoryDC : public wxDC, public wxMemoryDCBase
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{
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public:
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wxMemoryDC() { CreateCompatible(NULL); Init(); }
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wxMemoryDC(wxBitmap& bitmap) { CreateCompatible(NULL); Init(); SelectObject(bitmap); }
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wxMemoryDC(wxDC *dc); // Create compatible DC
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protected:
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// override some base class virtuals
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virtual void DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
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virtual void DoGetSize(int* width, int* height) const;
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virtual void DoSelect(const wxBitmap& bitmap);
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virtual wxBitmap DoGetAsBitmap(const wxRect* subrect) const
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{ return subrect == NULL ? GetSelectedBitmap() : GetSelectedBitmap().GetSubBitmapOfHDC(*subrect, GetHDC() );}
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// create DC compatible with the given one or screen if dc == NULL
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bool CreateCompatible(wxDC *dc);
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// initialize the newly created DC
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void Init();
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private:
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DECLARE_DYNAMIC_CLASS_NO_COPY(wxMemoryDC)
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};
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#endif
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// _WX_DCMEMORY_H_
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