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b311480e | 1 | // Created on: 2011-09-20 |
2 | // Created by: Sergey ZERCHANINOV | |
973c2be1 | 3 | // Copyright (c) 2011-2014 OPEN CASCADE SAS |
b311480e | 4 | // |
973c2be1 | 5 | // This file is part of Open CASCADE Technology software library. |
b311480e | 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. | |
b311480e | 12 | // |
973c2be1 | 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. | |
b311480e | 15 | |
2166f0fa SK |
16 | #ifndef _OpenGl_Window_Header |
17 | #define _OpenGl_Window_Header | |
18 | ||
3695b8c2 | 19 | #include <OpenGl_GlCore11.hxx> |
2166f0fa | 20 | #include <InterfaceGraphic_Aspect.hxx> |
58655684 | 21 | #include <OpenGl_Caps.hxx> |
2166f0fa | 22 | |
2166f0fa | 23 | #include <Handle_OpenGl_Context.hxx> |
3695b8c2 | 24 | #include <Handle_OpenGl_Display.hxx> |
25 | #include <Handle_OpenGl_Window.hxx> | |
26 | ||
27 | #include <MMgt_TShared.hxx> | |
2166f0fa SK |
28 | |
29 | //! This class represents low-level wrapper over window with GL context. | |
30 | //! The window itself should be provided to constructor. | |
31 | class OpenGl_Window : public MMgt_TShared | |
32 | { | |
33 | public: | |
34 | ||
35 | //! Main constructor - prepare GL context for specified window. | |
36 | OpenGl_Window (const Handle(OpenGl_Display)& theDisplay, | |
37 | const CALL_DEF_WINDOW& theCWindow, | |
5e27df78 | 38 | Aspect_RenderingContext theGContext, |
58655684 | 39 | const Handle(OpenGl_Caps)& theCaps, |
5e27df78 | 40 | const Handle(OpenGl_Context)& theShareCtx); |
2166f0fa SK |
41 | |
42 | //! Destructor | |
43 | virtual ~OpenGl_Window(); | |
44 | ||
45 | //! Resizes the window. | |
46 | void Resize (const CALL_DEF_WINDOW& theCWindow); | |
47 | ||
48 | //! Reads depth component for current scene into specified buffer. | |
49 | void ReadDepths (const Standard_Integer theX, const Standard_Integer theY, | |
50 | const Standard_Integer theWidth, const Standard_Integer theHeight, | |
51 | float* theDepths); | |
52 | ||
53 | void SetBackgroundColor (const Standard_ShortReal theR, | |
54 | const Standard_ShortReal theG, | |
55 | const Standard_ShortReal theB); | |
56 | ||
57 | void EnablePolygonOffset() const; | |
58 | void DisablePolygonOffset() const; | |
59 | ||
60 | Standard_Integer Width() const { return myWidth; } | |
61 | Standard_Integer Height() const { return myHeight; } | |
62 | const TEL_COLOUR& BackgroundColor() const { return myBgColor; } | |
63 | Standard_Boolean Dither() const { return myDither; } | |
64 | Standard_Boolean BackDither() const { return myBackDither; } | |
65 | ||
66 | const Handle(OpenGl_Display)& GetDisplay() const { return myDisplay; } | |
67 | ||
68 | const Handle(OpenGl_Context)& GetGlContext() const { return myGlContext; } | |
69 | ||
5e27df78 | 70 | //! This method will be removed in future version! |
71 | GLCONTEXT GetGContext() const; | |
2166f0fa SK |
72 | |
73 | protected: | |
74 | ||
75 | //! Activates GL context and setup viewport. | |
76 | void Init(); | |
77 | ||
78 | //! Makes GL context for this window active in current thread | |
79 | virtual Standard_Boolean Activate(); | |
80 | ||
81 | void EnableFeatures() const; | |
82 | void DisableFeatures() const; | |
83 | ||
84 | //! Draw directly to the FRONT buffer. Can cause artifacts on the screen. | |
85 | void MakeFrontBufCurrent() const; | |
86 | ||
87 | //! Draw to BACK buffer. Normal and default state. | |
88 | void MakeBackBufCurrent() const; | |
89 | ||
90 | //! Draw simultaneously to BACK and FRONT buffers. Abnormal usage. | |
91 | void MakeFrontAndBackBufCurrent() const; | |
92 | ||
93 | protected: | |
94 | ||
95 | Handle(OpenGl_Display) myDisplay; | |
2166f0fa | 96 | Handle(OpenGl_Context) myGlContext; |
2166f0fa SK |
97 | Standard_Boolean myOwnGContext; //!< set to TRUE if GL context was not created by this class |
98 | #if (defined(_WIN32) || defined(__WIN32__)) | |
2166f0fa SK |
99 | BOOL mySysPalInUse; |
100 | #endif | |
101 | ||
102 | Standard_Integer myWidth; // WSWidth | |
103 | Standard_Integer myHeight; // WSHeight | |
104 | TEL_COLOUR myBgColor; // WSBackground | |
105 | Standard_Boolean myDither; | |
106 | Standard_Boolean myBackDither; | |
107 | ||
108 | public: | |
109 | ||
110 | DEFINE_STANDARD_RTTI(OpenGl_Window) // Type definition | |
1c35b92f | 111 | DEFINE_STANDARD_ALLOC |
2166f0fa SK |
112 | |
113 | }; | |
114 | ||
115 | #endif //_OpenGl_Window_Header |