1 // Created on: 2011-09-20
2 // Created by: Sergey ZERCHANINOV
3 // Copyright (c) 2011-2012 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_Window_Header
21 #define _OpenGl_Window_Header
23 #include <OpenGl_GlCore11.hxx>
24 #include <InterfaceGraphic_Aspect.hxx>
26 #include <Handle_OpenGl_Context.hxx>
27 #include <Handle_OpenGl_Display.hxx>
28 #include <Handle_OpenGl_Window.hxx>
30 #include <MMgt_TShared.hxx>
32 //! This class represents low-level wrapper over window with GL context.
33 //! The window itself should be provided to constructor.
34 class OpenGl_Window : public MMgt_TShared
38 //! Main constructor - prepare GL context for specified window.
39 OpenGl_Window (const Handle(OpenGl_Display)& theDisplay,
40 const CALL_DEF_WINDOW& theCWindow,
41 Aspect_RenderingContext theGContext,
42 const Handle(OpenGl_Context)& theShareCtx);
45 virtual ~OpenGl_Window();
47 //! Resizes the window.
48 void Resize (const CALL_DEF_WINDOW& theCWindow);
50 //! Reads depth component for current scene into specified buffer.
51 void ReadDepths (const Standard_Integer theX, const Standard_Integer theY,
52 const Standard_Integer theWidth, const Standard_Integer theHeight,
55 void SetBackgroundColor (const Standard_ShortReal theR,
56 const Standard_ShortReal theG,
57 const Standard_ShortReal theB);
59 void EnablePolygonOffset() const;
60 void DisablePolygonOffset() const;
62 Standard_Integer Width() const { return myWidth; }
63 Standard_Integer Height() const { return myHeight; }
64 const TEL_COLOUR& BackgroundColor() const { return myBgColor; }
65 Standard_Boolean Dither() const { return myDither; }
66 Standard_Boolean BackDither() const { return myBackDither; }
68 const Handle(OpenGl_Display)& GetDisplay() const { return myDisplay; }
70 const Handle(OpenGl_Context)& GetGlContext() const { return myGlContext; }
72 //! This method will be removed in future version!
73 GLCONTEXT GetGContext() const;
77 //! Activates GL context and setup viewport.
80 //! Makes GL context for this window active in current thread
81 virtual Standard_Boolean Activate();
83 void EnableFeatures() const;
84 void DisableFeatures() const;
86 //! Draw directly to the FRONT buffer. Can cause artifacts on the screen.
87 void MakeFrontBufCurrent() const;
89 //! Draw to BACK buffer. Normal and default state.
90 void MakeBackBufCurrent() const;
92 //! Draw simultaneously to BACK and FRONT buffers. Abnormal usage.
93 void MakeFrontAndBackBufCurrent() const;
97 Handle(OpenGl_Display) myDisplay;
98 Handle(OpenGl_Context) myGlContext;
99 Standard_Boolean myOwnGContext; //!< set to TRUE if GL context was not created by this class
100 #if (defined(_WIN32) || defined(__WIN32__))
104 Standard_Integer myWidth; // WSWidth
105 Standard_Integer myHeight; // WSHeight
106 TEL_COLOUR myBgColor; // WSBackground
107 Standard_Boolean myDither;
108 Standard_Boolean myBackDither;
112 DEFINE_STANDARD_RTTI(OpenGl_Window) // Type definition
113 DEFINE_STANDARD_ALLOC
117 #endif //_OpenGl_Window_Header