0023316: OpenGl package can not be compiled on RedHat40-64
[occt.git] / src / OpenGl / OpenGl_Window.hxx
CommitLineData
b311480e 1// Created on: 2011-09-20
2// Created by: Sergey ZERCHANINOV
3// Copyright (c) 2011-2012 OPEN CASCADE SAS
4//
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.
9//
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.
12//
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.
19
2166f0fa
SK
20#ifndef _OpenGl_Window_Header
21#define _OpenGl_Window_Header
22
3695b8c2 23#include <OpenGl_GlCore11.hxx>
2166f0fa 24#include <InterfaceGraphic_Aspect.hxx>
2166f0fa 25
2166f0fa 26#include <Handle_OpenGl_Context.hxx>
3695b8c2 27#include <Handle_OpenGl_Display.hxx>
28#include <Handle_OpenGl_Window.hxx>
29
30#include <MMgt_TShared.hxx>
2166f0fa
SK
31
32//! This class represents low-level wrapper over window with GL context.
33//! The window itself should be provided to constructor.
34class OpenGl_Window : public MMgt_TShared
35{
36public:
37
38 //! Main constructor - prepare GL context for specified window.
39 OpenGl_Window (const Handle(OpenGl_Display)& theDisplay,
40 const CALL_DEF_WINDOW& theCWindow,
5e27df78 41 Aspect_RenderingContext theGContext,
42 const Handle(OpenGl_Context)& theShareCtx);
2166f0fa
SK
43
44 //! Destructor
45 virtual ~OpenGl_Window();
46
47 //! Resizes the window.
48 void Resize (const CALL_DEF_WINDOW& theCWindow);
49
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,
53 float* theDepths);
54
55 void SetBackgroundColor (const Standard_ShortReal theR,
56 const Standard_ShortReal theG,
57 const Standard_ShortReal theB);
58
59 void EnablePolygonOffset() const;
60 void DisablePolygonOffset() const;
61
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; }
67
68 const Handle(OpenGl_Display)& GetDisplay() const { return myDisplay; }
69
70 const Handle(OpenGl_Context)& GetGlContext() const { return myGlContext; }
71
5e27df78 72 //! This method will be removed in future version!
73 GLCONTEXT GetGContext() const;
2166f0fa
SK
74
75protected:
76
77 //! Activates GL context and setup viewport.
78 void Init();
79
80 //! Makes GL context for this window active in current thread
81 virtual Standard_Boolean Activate();
82
83 void EnableFeatures() const;
84 void DisableFeatures() const;
85
86 //! Draw directly to the FRONT buffer. Can cause artifacts on the screen.
87 void MakeFrontBufCurrent() const;
88
89 //! Draw to BACK buffer. Normal and default state.
90 void MakeBackBufCurrent() const;
91
92 //! Draw simultaneously to BACK and FRONT buffers. Abnormal usage.
93 void MakeFrontAndBackBufCurrent() const;
94
95protected:
96
97 Handle(OpenGl_Display) myDisplay;
2166f0fa 98 Handle(OpenGl_Context) myGlContext;
2166f0fa
SK
99 Standard_Boolean myOwnGContext; //!< set to TRUE if GL context was not created by this class
100#if (defined(_WIN32) || defined(__WIN32__))
2166f0fa
SK
101 BOOL mySysPalInUse;
102#endif
103
104 Standard_Integer myWidth; // WSWidth
105 Standard_Integer myHeight; // WSHeight
106 TEL_COLOUR myBgColor; // WSBackground
107 Standard_Boolean myDither;
108 Standard_Boolean myBackDither;
109
110public:
111
112 DEFINE_STANDARD_RTTI(OpenGl_Window) // Type definition
1c35b92f 113 DEFINE_STANDARD_ALLOC
2166f0fa
SK
114
115};
116
117#endif //_OpenGl_Window_Header