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1 | // Created on: 2013-07-25 |
2 | // Created by: Anton POLETAEV |
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3 | // Copyright (c) 2013-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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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. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
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16 | #ifndef _OpenGl_RenderFilter_H__ |
17 | #define _OpenGl_RenderFilter_H__ |
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18 | |
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19 | #include <Standard_Type.hxx> |
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20 | #include <Standard_Transient.hxx> |
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21 | |
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22 | class OpenGl_RenderFilter; |
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23 | DEFINE_STANDARD_HANDLE (OpenGl_RenderFilter, Standard_Transient) |
24 | |
25 | class OpenGl_Element; |
26 | |
27 | //! Base class for defining element rendering filters. |
28 | //! This class can be used in pair with advance rendering passes, and for |
29 | //! disabling rendering (setting up) graphical aspects. |
30 | class OpenGl_RenderFilter : public Standard_Transient |
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31 | { |
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32 | public: |
33 | |
34 | //! Checks whether the element can be rendered or not. |
35 | //! @param theElement [in] the element to check. |
36 | //! @return True if element can be rendered. |
37 | virtual Standard_Boolean CanRender (const OpenGl_Element* theElement) = 0; |
38 | |
39 | public: |
40 | |
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41 | DEFINE_STANDARD_RTTIEXT(OpenGl_RenderFilter,Standard_Transient) |
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42 | }; |
43 | |
44 | #endif |