0024001: Stereographic rendering support
[occt.git] / src / OpenGl / OpenGl_RenderFilter.hxx
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4269bd1b 1// Created on: 2013-07-25
2// Created by: Anton POLETAEV
3// Copyright (c) 2013 OPEN CASCADE SAS
4//
973c2be1 5// This file is part of Open CASCADE Technology software library.
4269bd1b 6//
973c2be1 7// This library is free software; you can redistribute it and / or modify it
8// under the terms of the GNU Lesser General Public version 2.1 as published
9// by the Free Software Foundation, with special exception defined in the file
10// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11// distribution for complete text of the license and disclaimer of any warranty.
4269bd1b 12//
973c2be1 13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
4269bd1b 15
16#ifndef _OpenGl_RenderFilter_H__
17#define _OpenGl_RenderFilter_H__
18
19#include <Standard_DefineHandle.hxx>
20#include <Standard_Transient.hxx>
21
22DEFINE_STANDARD_HANDLE (OpenGl_RenderFilter, Standard_Transient)
23
24class OpenGl_Element;
25
26//! Base class for defining element rendering filters.
27//! This class can be used in pair with advance rendering passes, and for
28//! disabling rendering (setting up) graphical aspects.
29class OpenGl_RenderFilter : public Standard_Transient
30{
31public:
32
33 //! Checks whether the element can be rendered or not.
34 //! @param theElement [in] the element to check.
35 //! @return True if element can be rendered.
36 virtual Standard_Boolean CanRender (const OpenGl_Element* theElement) = 0;
37
38public:
39
40 DEFINE_STANDARD_RTTI(OpenGl_RenderFilter)
41};
42
43#endif