8907154c1a
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35650 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/gdiobj.h
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// Purpose: wxGDIObject class: base class for other GDI classes
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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: $Id$
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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_GDIOBJ_H_
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#define _WX_GDIOBJ_H_
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#include "wx/object.h" // base class
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// ----------------------------------------------------------------------------
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// wxGDIRefData is the base class for wxXXXData structures which contain the
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// real data for the GDI object and are shared among all wxWin objects sharing
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// the same native GDI object
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxGDIRefData : public wxObjectRefData
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{
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// this class is intentionally left blank
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};
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// ----------------------------------------------------------------------------
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// wxGDIObject
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxGDIObject : public wxObject
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{
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public:
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wxGDIObject() { m_visible = false; };
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// Creates the resource
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virtual bool RealizeResource() { return false; };
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// Frees the resource
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virtual bool FreeResource(bool WXUNUSED(force) = false) { return false; }
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virtual bool IsFree() const { return false; }
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bool IsNull() const { return (m_refData == 0); }
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// Returns handle.
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virtual WXHANDLE GetResourceHandle() const { return 0; }
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virtual bool GetVisible() { return m_visible; }
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virtual void SetVisible(bool v) { m_visible = v; }
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protected:
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bool m_visible; // true only if we should delete this object ourselves
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private:
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DECLARE_DYNAMIC_CLASS(wxGDIObject)
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};
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#endif
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// _WX_GDIOBJ_H_
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