OpenGl_Window Class Reference

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

#include <OpenGl_Window.hxx>

Inheritance diagram for OpenGl_Window:

Public Member Functions
	OpenGl_Window (const Handle< OpenGl_GraphicDriver > &theDriver, const CALL_DEF_WINDOW &theCWindow, Aspect_RenderingContext theGContext, const Handle< OpenGl_Caps > &theCaps, const Handle< OpenGl_Context > &theShareCtx)
	Main constructor - prepare GL context for specified window. More...
virtual	~OpenGl_Window ()
	Destructor. More...
void	Resize (const CALL_DEF_WINDOW &theCWindow)
	Resizes the window. More...
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. More...
void	SetBackgroundColor (const Standard_ShortReal theR, const Standard_ShortReal theG, const Standard_ShortReal theB)
Standard_Integer	Width () const
Standard_Integer	Height () const
const TEL_COLOUR &	BackgroundColor () const
const Handle< OpenGl_Context > &	GetGlContext () const
Public Member Functions inherited from MMgt_TShared
virtual void	Delete () const
	Memory deallocator for transient classes. More...
Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor. More...
	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing. More...
Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter. More...
virtual	~Standard_Transient ()
	Destructor must be virtual. More...
virtual const Handle_Standard_Type &	DynamicType () const
	Returns a type information object about this object. More...
Standard_Boolean	IsInstance (const Handle_Standard_Type &theType) const
	Returns a true value if this is an instance of Type. More...
Standard_Boolean	IsInstance (const Standard_CString theTypeName) const
	Returns a true value if this is an instance of TypeName. More...
Standard_Boolean	IsKind (const Handle_Standard_Type &theType) const
	Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...
Standard_Boolean	IsKind (const Standard_CString theTypeName) const
	Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...
virtual Handle_Standard_Transient	This () const
	Returns a Handle which references this object. Must never be called to objects created in stack. More...
Standard_Integer	GetRefCount () const
	Get the reference counter of this object. More...

Protected Member Functions
void	Init ()
	Activates GL context and setup viewport. More...
virtual Standard_Boolean	Activate ()
	Makes GL context for this window active in current thread. More...
void	EnableFeatures () const
void	DisableFeatures () const

Protected Attributes
Handle< OpenGl_Context >	myGlContext
Standard_Boolean	myOwnGContext
	set to TRUE if GL context was not created by this class More...
Standard_Integer	myWidth
	window width in pixels More...
Standard_Integer	myHeight
	window height in pixels More...
TEL_COLOUR	myBgColor
	background color More...

Detailed Description

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

Constructor & Destructor Documentation

OpenGl_Window::OpenGl_Window	(	const Handle< OpenGl_GraphicDriver > &	theDriver,
		const CALL_DEF_WINDOW &	theCWindow,
		Aspect_RenderingContext	theGContext,
		const Handle< OpenGl_Caps > &	theCaps,
		const Handle< OpenGl_Context > &	theShareCtx
	)

Main constructor - prepare GL context for specified window.

virtual OpenGl_Window::~OpenGl_Window ( )

virtual

Destructor.

Member Function Documentation

virtual Standard_Boolean OpenGl_Window::Activate ( )

protectedvirtual

Makes GL context for this window active in current thread.

Reimplemented in OpenGl_Workspace.

const TEL_COLOUR& OpenGl_Window::BackgroundColor ( ) const

inline

void OpenGl_Window::DisableFeatures ( ) const

protected

void OpenGl_Window::EnableFeatures ( ) const

protected

const Handle< OpenGl_Context >& OpenGl_Window::GetGlContext ( ) const

inline

Standard_Integer OpenGl_Window::Height ( ) const

inline

void OpenGl_Window::Init ( )

protected

Activates GL context and setup viewport.

void OpenGl_Window::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 OpenGl_Window::Resize

(

const CALL_DEF_WINDOW &

theCWindow

)

Resizes the window.

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

TEL_COLOUR OpenGl_Window::myBgColor

protected

background color

Handle< OpenGl_Context > OpenGl_Window::myGlContext

protected

Standard_Integer OpenGl_Window::myHeight

protected

window height in pixels

Standard_Boolean OpenGl_Window::myOwnGContext

protected

set to TRUE if GL context was not created by this class

Standard_Integer OpenGl_Window::myWidth

protected

window width in pixels

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

• OpenGl_Window.hxx