1 // Created on: 2011-09-20
2 // Created by: Sergey ZERCHANINOV
3 // Copyright (c) 2011-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
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
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.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #ifndef _OpenGl_Window_Header
17 #define _OpenGl_Window_Header
19 #include <OpenGl_GlCore11.hxx>
20 #include <InterfaceGraphic_Aspect.hxx>
21 #include <OpenGl_Caps.hxx>
22 #include <MMgt_TShared.hxx>
25 #if defined(__APPLE__)
26 #import <TargetConditionals.h>
29 #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
38 class OpenGl_GraphicDriver;
41 DEFINE_STANDARD_HANDLE(OpenGl_Window,MMgt_TShared)
43 //! This class represents low-level wrapper over window with GL context.
44 //! The window itself should be provided to constructor.
45 class OpenGl_Window : public MMgt_TShared
49 //! Main constructor - prepare GL context for specified window.
50 Standard_EXPORT OpenGl_Window (const Handle(OpenGl_GraphicDriver)& theDriver,
51 const CALL_DEF_WINDOW& theCWindow,
52 Aspect_RenderingContext theGContext,
53 const Handle(OpenGl_Caps)& theCaps,
54 const Handle(OpenGl_Context)& theShareCtx);
57 Standard_EXPORT virtual ~OpenGl_Window();
59 //! Resizes the window.
60 Standard_EXPORT virtual void Resize (const CALL_DEF_WINDOW& theCWindow);
62 //! Reads depth component for current scene into specified buffer.
63 void ReadDepths (const Standard_Integer theX, const Standard_Integer theY,
64 const Standard_Integer theWidth, const Standard_Integer theHeight,
67 Standard_EXPORT void SetBackgroundColor (const Standard_ShortReal theR,
68 const Standard_ShortReal theG,
69 const Standard_ShortReal theB);
71 Standard_Integer Width() const { return myWidth; }
72 Standard_Integer Height() const { return myHeight; }
73 const TEL_COLOUR& BackgroundColor() const { return myBgColor; }
75 const Handle(OpenGl_Context)& GetGlContext() const { return myGlContext; }
79 //! Activates GL context and setup viewport.
80 Standard_EXPORT void Init();
82 //! Makes GL context for this window active in current thread
83 Standard_EXPORT virtual Standard_Boolean Activate();
85 Standard_EXPORT void EnableFeatures() const;
86 Standard_EXPORT void DisableFeatures() const;
90 Handle(OpenGl_Context) myGlContext;
91 Standard_Boolean myOwnGContext; //!< set to TRUE if GL context was not created by this class
92 #if defined(__APPLE__)
93 #if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
96 Standard_Integer myWidthPt; //!< window width in logical units
97 Standard_Integer myHeightPt; //!< window height in logical units
99 Standard_Integer myWidth; //!< window width in pixels
100 Standard_Integer myHeight; //!< window height in pixels
101 TEL_COLOUR myBgColor; //!< background color
103 Standard_Integer mySwapInterval;//!< last assigned swap interval (VSync) for this window
107 DEFINE_STANDARD_RTTI(OpenGl_Window, MMgt_TShared) // Type definition
108 DEFINE_STANDARD_ALLOC
112 #endif //_OpenGl_Window_Header