Open CASCADE Technology  6.9.0
Public Member Functions | Data Fields

Graphic3d_IndexBuffer Class Reference

Index buffer. More...

#include <Graphic3d_IndexBuffer.hxx>

Inheritance diagram for Graphic3d_IndexBuffer:
Inheritance graph

Public Member Functions

 if (NbElements!=0 &&!Allocate(size_t(Stride)*size_t(NbElements)))
Standard_Integer Index (const Standard_Integer theIndex) const
 Access index at specified position. More...
void SetIndex (const Standard_Integer theIndex, const Standard_Integer theValue)
 Change index at specified position. More...
- Public Member Functions inherited from Graphic3d_Buffer
 Stride (0)
 NbElements (0)
 NbAttributes (0)
const Graphic3d_AttributeAttributesArray () const
const Graphic3d_AttributeAttribute (const Standard_Integer theAttribIndex) const
Graphic3d_AttributeChangeAttribute (const Standard_Integer theAttribIndex)
Standard_Integer AttributeOffset (const Standard_Integer theAttribIndex) const
const Standard_ByteData (const Standard_Integer theAttribIndex) const
Standard_ByteChangeData (const Standard_Integer theAttribIndex)
const Standard_Bytevalue (const Standard_Integer theElem) const
 Access specified element. More...
Standard_BytechangeValue (const Standard_Integer theElem)
 Access specified element. More...
template<typename Type_t >
const Type_t & Value (const Standard_Integer theElem) const
 Access element with specified position and type. More...
template<typename Type_t >
Type_t & ChangeValue (const Standard_Integer theElem)
 Access element with specified position and type. More...
void release ()
 Release buffer. More...
bool Init (const Standard_Integer theNbElems, const Graphic3d_Attribute *theAttribs, const Standard_Integer theNbAttribs)
 Allocates new empty array. More...
- 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. More...
 ~NCollection_Buffer ()
 Destructor. More...
const Standard_ByteData () const
Standard_ByteChangeData ()
bool IsEmpty () const
Standard_Size Size () const
 Return buffer length in bytes. More...
const Handle
< NCollection_BaseAllocator > & 
Allocator () const
void SetAllocator (const Handle< NCollection_BaseAllocator > &theAlloc)
 Assign new buffer allocator with de-allocation of buffer. More...
bool Allocate (const Standard_Size theSize)
 Allocate the buffer. More...
void Free ()
 De-allocate buffer. More...
- Public Member Functions inherited from Standard_Transient
 Standard_Transient ()
 Empty constructor. More...
 Standard_Transient (const Standard_Transient &)
 Copy constructor – does nothing. More...
Standard_Transientoperator= (const Standard_Transient &)
 Assignment operator, needed to avoid copying reference counter. More...
virtual ~Standard_Transient ()
 Destructor must be virtual. More...
virtual void Delete () const
 Memory deallocator for transient classes. 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...

Data Fields

 __pad0__: Graphic3d_Buffer (theAlloc) {} template<typename IndexType_t> bool Init (const Standard_Integer theNbElems) { release()
 Empty constructor. More...
 Stride = sizeof(IndexType_t)
&& Stride
 NbAttributes = 0
return true
- Data Fields inherited from Graphic3d_Buffer
 __pad0__: NCollection_Buffer (theAlloc)
 Empty constructor. More...
Standard_Integer Stride
 the distance to the attributes of the next vertex More...
Standard_Integer NbElements
 number of the elements More...
Standard_Integer NbAttributes
 number of vertex attributes More...

Additional Inherited Members

- Protected Attributes inherited from NCollection_Buffer
 data pointer More...
Standard_Size mySize
 buffer length in bytes More...
Handle< NCollection_BaseAllocatormyAllocator
 buffer allocator More...

Detailed Description

Index buffer.

Member Function Documentation

Graphic3d_IndexBuffer::if ( NbElements!  = 0 && !Allocate (size_t(Stride) * size_t(NbElements)))
Standard_Integer Graphic3d_IndexBuffer::Index ( const Standard_Integer  theIndex) const

Access index at specified position.

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

Change index at specified position.

Field Documentation


Empty constructor.

Graphic3d_IndexBuffer::NbAttributes = 0
Graphic3d_IndexBuffer::Stride = sizeof(IndexType_t)
&& Graphic3d_IndexBuffer::Stride
Initial value:
= sizeof(unsigned int))
return false;
NbElements = theNbElems
return Graphic3d_IndexBuffer::true

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