1 // Created on: 2013-07-25
2 // Created by: Anton POLETAEV
3 // Copyright (c) 2013 OPEN CASCADE SAS
5 // The content of this file is subject to the Open CASCADE Technology Public
6 // License Version 6.5 (the "License"). You may not use the content of this file
7 // except in compliance with the License. Please obtain a copy of the License
8 // at http://www.opencascade.org and read it completely before using this file.
10 // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
11 // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
13 // The Original Code and all software distributed under the License is
14 // distributed on an "AS IS" basis, without warranty of any kind, and the
15 // Initial Developer hereby disclaims all such warranties, including without
16 // limitation, any warranties of merchantability, fitness for a particular
17 // purpose or non-infringement. Please see the License for the specific terms
18 // and conditions governing the rights and limitations under the License.
20 #ifndef _OpenGl_RenderFilter_H__
21 #define _OpenGl_RenderFilter_H__
23 #include <Standard_DefineHandle.hxx>
24 #include <Standard_Transient.hxx>
26 DEFINE_STANDARD_HANDLE (OpenGl_RenderFilter, Standard_Transient)
30 //! Base class for defining element rendering filters.
31 //! This class can be used in pair with advance rendering passes, and for
32 //! disabling rendering (setting up) graphical aspects.
33 class OpenGl_RenderFilter : public Standard_Transient
37 //! Checks whether the element can be rendered or not.
38 //! @param theElement [in] the element to check.
39 //! @return True if element can be rendered.
40 virtual Standard_Boolean CanRender (const OpenGl_Element* theElement) = 0;
44 DEFINE_STANDARD_RTTI(OpenGl_RenderFilter)