Index buffer. More...

#include <Graphic3d_IndexBuffer.hxx>

Inheritance diagram for Graphic3d_IndexBuffer:

Public Member Functions
	Graphic3d_IndexBuffer (const Handle< NCollection_BaseAllocator > &theAlloc)
	Empty constructor.

template<typename IndexType_t >
bool	Init (const Standard_Integer theNbElems)
	Allocates new empty index array.

bool	InitInt32 (const Standard_Integer theNbElems)
	Allocates new empty index array.

Standard_Integer	Index (const Standard_Integer theIndex) const
	Access index at specified position.

void	SetIndex (const Standard_Integer theIndex, const Standard_Integer theValue)
	Change index at specified position.

virtual void	DumpJson (Standard_OStream &theOStream, Standard_Integer theDepth=-1) const override
	Dumps the content of me into the stream.

Public Member Functions inherited from Graphic3d_Buffer
	Graphic3d_Buffer (const Handle< NCollection_BaseAllocator > &theAlloc)
	Empty constructor.

Standard_Integer	NbMaxElements () const
	Return number of initially allocated elements which can fit into this buffer, while NbElements can be overwritten to smaller value.

const Graphic3d_Attribute *	AttributesArray () const

const Graphic3d_Attribute &	Attribute (const Standard_Integer theAttribIndex) const

Graphic3d_Attribute &	ChangeAttribute (const Standard_Integer theAttribIndex)

Standard_Integer	FindAttribute (Graphic3d_TypeOfAttribute theAttrib) const
	Find attribute index.

Standard_Integer	AttributeOffset (const Standard_Integer theAttribIndex) const

const Standard_Byte *	Data (const Standard_Integer theAttribIndex) const

Standard_Byte *	ChangeData (const Standard_Integer theAttribIndex)

const Standard_Byte *	value (const Standard_Integer theElem) const
	Access specified element.

Standard_Byte *	changeValue (const Standard_Integer theElem)
	Access specified element.

template<typename Type_t >
const Type_t &	Value (const Standard_Integer theElem) const
	Access element with specified position and type.

template<typename Type_t >
Type_t &	ChangeValue (const Standard_Integer theElem)
	Access element with specified position and type.

Standard_Byte *	ChangeAttributeData (Graphic3d_TypeOfAttribute theAttrib, Standard_Integer &theAttribIndex, Standard_Size &theAttribStride)
	Return the attribute data with stride size specific to this attribute.

const Standard_Byte *	AttributeData (Graphic3d_TypeOfAttribute theAttrib, Standard_Integer &theAttribIndex, Standard_Size &theAttribStride) const
	Return the attribute data with stride size specific to this attribute.

void	release ()
	Release buffer.

bool	Init (const Standard_Integer theNbElems, const Graphic3d_Attribute *theAttribs, const Standard_Integer theNbAttribs)
	Allocates new empty array.

bool	Init (const Standard_Integer theNbElems, const Graphic3d_Array1OfAttribute &theAttribs)
	Allocates new empty array.

virtual Standard_Boolean	IsInterleaved () const
	Flag indicating that attributes in the buffer are interleaved; TRUE by default. Requires sub-classing for creating a non-interleaved buffer (advanced usage).

virtual Standard_Boolean	IsMutable () const
	Return TRUE if data can be invalidated; FALSE by default. Requires sub-classing for creating a mutable buffer (advanced usage).

virtual Graphic3d_BufferRange	InvalidatedRange () const
	Return invalidated range; EMPTY by default. Requires sub-classing for creating a mutable buffer (advanced usage).

virtual void	Validate ()
	Reset invalidated range. Requires sub-classing for creating a mutable buffer (advanced usage).

virtual void	Invalidate ()
	Invalidate entire buffer.

const Standard_Byte *	Data () const

Standard_Byte *	ChangeData ()

Public Member Functions inherited from NCollection_Buffer
	NCollection_Buffer (const Handle< NCollection_BaseAllocator > &theAlloc, const Standard_Size theSize=0, Standard_Byte *theData=NULL)
	Default constructor. When theData is NULL but theSize is not 0 than buffer of specified size will be allocated.

	~NCollection_Buffer ()
	Destructor.

const Standard_Byte *	Data () const

Standard_Byte *	ChangeData ()

bool	IsEmpty () const

Standard_Size	Size () const
	Return buffer length in bytes.

const Handle< NCollection_BaseAllocator > &	Allocator () const

void	SetAllocator (const Handle< NCollection_BaseAllocator > &theAlloc)
	Assign new buffer allocator with de-allocation of buffer.

bool	Allocate (const Standard_Size theSize)
	Allocate the buffer.

void	Free ()
	De-allocate buffer.

Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor.

	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing.

Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter.

virtual	~Standard_Transient ()
	Destructor must be virtual.

virtual const opencascade::handle< Standard_Type > &	DynamicType () const
	Returns a type descriptor about this object.

Standard_Boolean	IsInstance (const opencascade::handle< Standard_Type > &theType) const
	Returns a true value if this is an instance of Type.

Standard_Boolean	IsInstance (const Standard_CString theTypeName) const
	Returns a true value if this is an instance of TypeName.

Standard_Boolean	IsKind (const opencascade::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.

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.

Standard_Transient *	This () const
	Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero.

Standard_Integer	GetRefCount () const noexcept
	Get the reference counter of this object.

void	IncrementRefCounter () noexcept
	Increments the reference counter of this object.

Standard_Integer	DecrementRefCounter () noexcept
	Decrements the reference counter of this object; returns the decremented value.

virtual void	Delete () const
	Memory deallocator for transient classes.

Additional Inherited Members
Public Types inherited from Standard_Transient
typedef void	base_type
	Returns a type descriptor about this object.

Static Public Member Functions inherited from Graphic3d_Buffer
static const Handle< NCollection_BaseAllocator > &	DefaultAllocator ()
	Return default vertex data allocator.

Static Public Member Functions inherited from Standard_Transient
static constexpr const char *	get_type_name ()
	Returns a type descriptor about this object.

static const opencascade::handle< Standard_Type > &	get_type_descriptor ()
	Returns type descriptor of Standard_Transient class.

Data Fields inherited from Graphic3d_Buffer
Standard_Integer	Stride
	the distance to the attributes of the next vertex within interleaved array

Standard_Integer	NbElements
	number of the elements (

Standard_Integer	NbAttributes
	number of vertex attributes

Protected Attributes inherited from NCollection_Buffer
Standard_Byte *	myData
	data pointer

Standard_Size	mySize
	buffer length in bytes

Handle< NCollection_BaseAllocator >	myAllocator
	buffer allocator

Detailed Description

Index buffer.

Constructor & Destructor Documentation

◆ Graphic3d_IndexBuffer()

Graphic3d_IndexBuffer::Graphic3d_IndexBuffer ( const Handle< NCollection_BaseAllocator > & theAlloc )

inline

Empty constructor.

Member Function Documentation

◆ DumpJson()

virtual void Graphic3d_IndexBuffer::DumpJson	(	Standard_OStream &	theOStream,
		Standard_Integer	theDepth = `-1`
	)		const

inlineoverridevirtual

Dumps the content of me into the stream.

Reimplemented from Graphic3d_Buffer.

◆ Index()

Standard_Integer Graphic3d_IndexBuffer::Index ( const Standard_Integer theIndex ) const

inline

Access index at specified position.

◆ Init()

template<typename IndexType_t >

bool Graphic3d_IndexBuffer::Init ( const Standard_Integer theNbElems )

inline

Allocates new empty index array.

◆ InitInt32()

bool Graphic3d_IndexBuffer::InitInt32 ( const Standard_Integer theNbElems )

inline

Allocates new empty index array.

◆ SetIndex()

void Graphic3d_IndexBuffer::SetIndex	(	const Standard_Integer	theIndex,
		const Standard_Integer	theValue
	)

inline

Change index at specified position.

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

Graphic3d_IndexBuffer.hxx

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Graphic3d_IndexBuffer()

Member Function Documentation

◆ DumpJson()

◆ Index()

◆ Init()

◆ InitInt32()

◆ SetIndex()