/usr/include/oce/OpenGl_Window.hxx is in liboce-visualization-dev 0.15-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Created by: Sergey ZERCHANINOV
// Copyright (c) 2011-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and / or modify it
// under the terms of the GNU Lesser General Public version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _OpenGl_Window_Header
#define _OpenGl_Window_Header
#include <OpenGl_GlCore11.hxx>
#include <InterfaceGraphic_Aspect.hxx>
#include <OpenGl_Caps.hxx>
#include <Handle_OpenGl_Context.hxx>
#include <Handle_OpenGl_Display.hxx>
#include <Handle_OpenGl_Window.hxx>
#include <MMgt_TShared.hxx>
//! This class represents low-level wrapper over window with GL context.
//! The window itself should be provided to constructor.
class OpenGl_Window : public MMgt_TShared
{
public:
//! Main constructor - prepare GL context for specified window.
OpenGl_Window (const Handle(OpenGl_Display)& theDisplay,
const CALL_DEF_WINDOW& theCWindow,
Aspect_RenderingContext theGContext,
const Handle(OpenGl_Caps)& theCaps,
const Handle(OpenGl_Context)& theShareCtx);
//! Destructor
virtual ~OpenGl_Window();
//! Resizes the window.
void Resize (const CALL_DEF_WINDOW& theCWindow);
//! Reads depth component for current scene into specified buffer.
void ReadDepths (const Standard_Integer theX, const Standard_Integer theY,
const Standard_Integer theWidth, const Standard_Integer theHeight,
float* theDepths);
void SetBackgroundColor (const Standard_ShortReal theR,
const Standard_ShortReal theG,
const Standard_ShortReal theB);
void EnablePolygonOffset() const;
void DisablePolygonOffset() const;
Standard_Integer Width() const { return myWidth; }
Standard_Integer Height() const { return myHeight; }
const TEL_COLOUR& BackgroundColor() const { return myBgColor; }
Standard_Boolean Dither() const { return myDither; }
Standard_Boolean BackDither() const { return myBackDither; }
const Handle(OpenGl_Display)& GetDisplay() const { return myDisplay; }
const Handle(OpenGl_Context)& GetGlContext() const { return myGlContext; }
//! This method will be removed in future version!
GLCONTEXT GetGContext() const;
protected:
//! Activates GL context and setup viewport.
void Init();
//! Makes GL context for this window active in current thread
virtual Standard_Boolean Activate();
void EnableFeatures() const;
void DisableFeatures() const;
//! Draw directly to the FRONT buffer. Can cause artifacts on the screen.
void MakeFrontBufCurrent() const;
//! Draw to BACK buffer. Normal and default state.
void MakeBackBufCurrent() const;
//! Draw simultaneously to BACK and FRONT buffers. Abnormal usage.
void MakeFrontAndBackBufCurrent() const;
protected:
Handle(OpenGl_Display) myDisplay;
Handle(OpenGl_Context) myGlContext;
Standard_Boolean myOwnGContext; //!< set to TRUE if GL context was not created by this class
#if (defined(_WIN32) || defined(__WIN32__))
BOOL mySysPalInUse;
#endif
Standard_Integer myWidth; // WSWidth
Standard_Integer myHeight; // WSHeight
TEL_COLOUR myBgColor; // WSBackground
Standard_Boolean myDither;
Standard_Boolean myBackDither;
public:
DEFINE_STANDARD_RTTI(OpenGl_Window) // Type definition
DEFINE_STANDARD_ALLOC
};
#endif //_OpenGl_Window_Header
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