Base interface for drawable elements. More...

#include <OpenGl_Element.hxx>

Inheritance diagram for OpenGl_Element:

[legend]

Public Member Functions
	OpenGl_Element ()

virtual void	Render (const Handle< OpenGl_Workspace > &theWorkspace) const =0

virtual void	Release (OpenGl_Context *theContext)=0
	Release GPU resources. Pointer to the context is used because this method might be called when the context is already being destroyed and usage of a handle would be unsafe. More...

virtual Standard_Boolean	IsFillDrawMode () const
	Return TRUE if primitive type generates shaded triangulation (to be used in filters). More...

Standard_Boolean	RenderFiltered (const Handle< OpenGl_Workspace > &theWorkspace, const Handle< OpenGl_RenderFilter > &theFilter) const
	Render element if it passes the filtering procedure. This method should be used for elements which can be used in scope of rendering algorithms. E.g. elements of groups during recursive rendering. If render filter is null, pure rendering is performed. More...

Static Public Member Functions
template<typename theResource_t >
static void	Destroy (OpenGl_Context theContext, theResource_t &theElement)
	Pointer to the context is used because this method might be called when the context is already being destroyed and usage of a handle would be unsafe. More...

Protected Member Functions
virtual	~OpenGl_Element ()

Detailed Description

Base interface for drawable elements.

Constructor & Destructor Documentation

◆ OpenGl_Element()

OpenGl_Element::OpenGl_Element ( )

◆ ~OpenGl_Element()

virtual OpenGl_Element::~OpenGl_Element ( )

protectedvirtual

Member Function Documentation

◆ Destroy()

template<typename theResource_t >

static void OpenGl_Element::Destroy	(	OpenGl_Context *	theContext,
		theResource_t *&	theElement
	)

inlinestatic

Pointer to the context is used because this method might be called when the context is already being destroyed and usage of a handle would be unsafe.

◆ IsFillDrawMode()

virtual Standard_Boolean OpenGl_Element::IsFillDrawMode ( ) const

inlinevirtual

Return TRUE if primitive type generates shaded triangulation (to be used in filters).

Reimplemented in OpenGl_PrimitiveArray.

◆ Release()

virtual void OpenGl_Element::Release ( OpenGl_Context * theContext )

pure virtual

Release GPU resources. Pointer to the context is used because this method might be called when the context is already being destroyed and usage of a handle would be unsafe.

Implemented in OpenGl_AspectMarker, OpenGl_AspectFace, OpenGl_Text, OpenGl_AspectText, OpenGl_PrimitiveArray, OpenGl_AspectLine, OpenGl_GraduatedTrihedron, OpenGl_Flipper, OpenGl_FrameStatsPrs, and OpenGl_StencilTest.

◆ Render()

virtual void OpenGl_Element::Render ( const Handle< OpenGl_Workspace > & theWorkspace ) const

pure virtual

Implemented in OpenGl_AspectMarker, OpenGl_AspectFace, OpenGl_Text, OpenGl_AspectText, OpenGl_AspectLine, OpenGl_PrimitiveArray, OpenGl_GraduatedTrihedron, OpenGl_Flipper, OpenGl_BackgroundArray, OpenGl_FrameStatsPrs, and OpenGl_StencilTest.

◆ RenderFiltered()

Standard_Boolean OpenGl_Element::RenderFiltered	(	const Handle< OpenGl_Workspace > &	theWorkspace,
		const Handle< OpenGl_RenderFilter > &	theFilter
	)		const

inline

Render element if it passes the filtering procedure. This method should be used for elements which can be used in scope of rendering algorithms. E.g. elements of groups during recursive rendering. If render filter is null, pure rendering is performed.

Parameters

theWorkspace	[in] the rendering workspace.
theFilter	[in] the rendering filter to check whether the element should be rendered or not.

Returns: True if element passes the check and renders,

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

OpenGl_Element.hxx

OpenGl_Element Class Referenceabstract

Public Member Functions

Static Public Member Functions

Protected Member Functions