OpenGl_Window Class Reference

This class represents low-level wrapper over window with GL context. The window itself should be provided to constructor.

#include <OpenGl_Window.hxx>

Inheritance diagram for OpenGl_Window:

Public Member Functions
	OpenGl_Window (const Handle< OpenGl_Display > &theDisplay, const CALL_DEF_WINDOW &theCWindow, Aspect_RenderingContext theGContext, const Handle< OpenGl_Context > &theShareCtx)
	Main constructor - prepare GL context for specified window.
virtual	~OpenGl_Window ()
	Destructor.
void	Resize (const CALL_DEF_WINDOW &theCWindow)
	Resizes the window.
void	ReadDepths (const Standard_Integer theX, const Standard_Integer theY, const Standard_Integer theWidth, const Standard_Integer theHeight, float *theDepths)
	Reads depth component for current scene into specified buffer.
void	SetBackgroundColor (const Standard_ShortReal theR, const Standard_ShortReal theG, const Standard_ShortReal theB)
void	EnablePolygonOffset () const
void	DisablePolygonOffset () const
Standard_Integer	Width () const
Standard_Integer	Height () const
const TEL_COLOUR &	BackgroundColor () const
Standard_Boolean	Dither () const
Standard_Boolean	BackDither () const
const Handle< OpenGl_Display > &	GetDisplay () const
const Handle< OpenGl_Context > &	GetGlContext () const
GLCONTEXT	GetGContext () const
	This method will be removed in future version!
Protected Member Functions
void	Init ()
	Activates GL context and setup viewport.
virtual Standard_Boolean	Activate ()
	Makes GL context for this window active in current thread.
void	EnableFeatures () const
void	DisableFeatures () const
void	MakeFrontBufCurrent () const
	Draw directly to the FRONT buffer. Can cause artifacts on the screen.
void	MakeBackBufCurrent () const
	Draw to BACK buffer. Normal and default state.
void	MakeFrontAndBackBufCurrent () const
	Draw simultaneously to BACK and FRONT buffers. Abnormal usage.
Protected Attributes
Handle< OpenGl_Display >	myDisplay
Handle< OpenGl_Context >	myGlContext
Standard_Boolean	myOwnGContext
	set to TRUE if GL context was not created by this class
Standard_Integer	myWidth
Standard_Integer	myHeight
TEL_COLOUR	myBgColor
Standard_Boolean	myDither
Standard_Boolean	myBackDither

---

Constructor & Destructor Documentation

OpenGl_Window::OpenGl_Window	(	const Handle< OpenGl_Display > &	theDisplay,
		const CALL_DEF_WINDOW &	theCWindow,
		Aspect_RenderingContext	theGContext,
		const Handle< OpenGl_Context > &	theShareCtx
	)

virtual OpenGl_Window::~OpenGl_Window

(

)

[virtual]

---

Member Function Documentation

virtual Standard_Boolean OpenGl_Window::Activate

(

)

[protected, virtual]

Reimplemented in OpenGl_Workspace.

Standard_Boolean OpenGl_Window::BackDither

(

)

const [inline]

const TEL_COLOUR& OpenGl_Window::BackgroundColor

(

)

const [inline]

void OpenGl_Window::DisableFeatures

(

)

const [protected]

void OpenGl_Window::DisablePolygonOffset

(

)

const

Standard_Boolean OpenGl_Window::Dither

(

)

const [inline]

void OpenGl_Window::EnableFeatures

(

)

const [protected]

void OpenGl_Window::EnablePolygonOffset

(

)

const

const Handle< OpenGl_Display >& OpenGl_Window::GetDisplay

(

)

const [inline]

GLCONTEXT OpenGl_Window::GetGContext

(

)

const

const Handle< OpenGl_Context >& OpenGl_Window::GetGlContext

(

)

const [inline]

Standard_Integer OpenGl_Window::Height

(

)

const [inline]

void OpenGl_Window::Init

(

)

[protected]

void OpenGl_Window::MakeBackBufCurrent

(

)

const [protected]

void OpenGl_Window::MakeFrontAndBackBufCurrent

(

)

const [protected]

void OpenGl_Window::MakeFrontBufCurrent

(

)

const [protected]

void OpenGl_Window::ReadDepths	(	const Standard_Integer	theX,
		const Standard_Integer	theY,
		const Standard_Integer	theWidth,
		const Standard_Integer	theHeight,
		float *	theDepths
	)

void OpenGl_Window::Resize

(

const CALL_DEF_WINDOW &

theCWindow

)

void OpenGl_Window::SetBackgroundColor	(	const Standard_ShortReal	theR,
		const Standard_ShortReal	theG,
		const Standard_ShortReal	theB
	)

Standard_Integer OpenGl_Window::Width

(

)

const [inline]

---

Field Documentation

Standard_Boolean OpenGl_Window::myBackDither [protected]

TEL_COLOUR OpenGl_Window::myBgColor [protected]

Handle< OpenGl_Display > OpenGl_Window::myDisplay [protected]

Standard_Boolean OpenGl_Window::myDither [protected]

Handle< OpenGl_Context > OpenGl_Window::myGlContext [protected]

Standard_Integer OpenGl_Window::myHeight [protected]

Standard_Boolean OpenGl_Window::myOwnGContext [protected]

Standard_Integer OpenGl_Window::myWidth [protected]

---

The documentation for this class was generated from the following file:

• OpenGl_Window.hxx