4269bd1b |
1 | // Created on: 2013-09-05 |
2 | // Created by: Anton POLETAEV |
d5f74e42 |
3 | // Copyright (c) 2013-2014 OPEN CASCADE SAS |
4269bd1b |
4 | // |
973c2be1 |
5 | // This file is part of Open CASCADE Technology software library. |
4269bd1b |
6 | // |
d5f74e42 |
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 |
973c2be1 |
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_CappingAlgo_H__ |
17 | #define _OpenGl_CappingAlgo_H__ |
18 | |
19 | #include <OpenGl_RenderFilter.hxx> |
20 | #include <OpenGl_Group.hxx> |
21 | |
b64d84be |
22 | #include <Graphic3d_SequenceOfGroup.hxx> |
23 | |
4269bd1b |
24 | // Forward declaration |
25 | class Handle(OpenGl_Workspace); |
26 | class Handle(Graphic3d_ClipPlane); |
27 | |
28 | DEFINE_STANDARD_HANDLE (OpenGl_CappingAlgoFilter, OpenGl_RenderFilter) |
29 | |
30 | //! Capping surface rendering algorithm. |
31 | class OpenGl_CappingAlgo |
32 | { |
33 | public: |
34 | |
35 | //! Draw capping surfaces by OpenGl for the clipping planes |
36 | //! enabled in current context state. Depth buffer must be generated |
37 | //! for the passed groups. |
38 | //! @param theWorkspace [in] the GL workspace, context state. |
39 | //! @param theGroups [in] the group of primitives to be capped. |
b64d84be |
40 | Standard_EXPORT static void RenderCapping (const Handle(OpenGl_Workspace)& theWorkspace, |
41 | const Graphic3d_SequenceOfGroup& theGroups); |
4269bd1b |
42 | |
43 | //! Render infinite capping plane. |
44 | //! @param theWorkspace [in] the GL workspace, context state. |
45 | //! @param thePlane [in] the graphical plane, for which the capping surface is rendered. |
46 | Standard_EXPORT static void RenderPlane (const Handle(OpenGl_Workspace)& theWorkspace, |
47 | const Handle(Graphic3d_ClipPlane)& thePlane); |
4269bd1b |
48 | }; |
49 | |
50 | //! Graphical capping rendering algorithm filter. |
51 | //! Filters out everything excepth shaded primitives. |
52 | class OpenGl_CappingAlgoFilter : public OpenGl_RenderFilter |
53 | { |
54 | public: |
55 | |
56 | //! Default constructor. |
57 | OpenGl_CappingAlgoFilter() {} |
58 | |
59 | //! Checks whether the element can be rendered or not. |
60 | //! @param theElement [in] the element to check. |
61 | //! @return True if element can be rendered. |
62 | virtual Standard_Boolean CanRender (const OpenGl_Element* theElement); |
63 | |
64 | public: |
65 | |
66 | DEFINE_STANDARD_RTTI(OpenGl_CappingAlgoFilter) |
67 | }; |
68 | |
69 | #endif |