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/*=========================================================================
Program: Visualization Toolkit
Module: vtkCellArray.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkCellArray.h"
#include "vtkObjectFactory.h"
vtkStandardNewMacro(vtkCellArray);
//----------------------------------------------------------------------------
vtkCellArray::vtkCellArray()
{
this->Ia = vtkIdTypeArray::New();
this->NumberOfCells = 0;
this->InsertLocation = 0;
this->TraversalLocation = 0;
}
//----------------------------------------------------------------------------
void vtkCellArray::DeepCopy (vtkCellArray *ca)
{
// Do nothing on a NULL input.
if (ca == NULL)
{
return;
}
this->Ia->DeepCopy(ca->Ia);
this->NumberOfCells = ca->NumberOfCells;
this->InsertLocation = ca->InsertLocation;
this->TraversalLocation = ca->TraversalLocation;
}
//----------------------------------------------------------------------------
vtkCellArray::~vtkCellArray()
{
this->Ia->Delete();
}
//----------------------------------------------------------------------------
void vtkCellArray::Initialize()
{
this->Ia->Initialize();
this->NumberOfCells = 0;
this->InsertLocation = 0;
this->TraversalLocation = 0;
}
//----------------------------------------------------------------------------
// Returns the size of the largest cell. The size is the number of points
// defining the cell.
int vtkCellArray::GetMaxCellSize()
{
int i, npts=0, maxSize=0;
for (i=0; i<this->Ia->GetMaxId(); i+=(npts+1))
{
if ( (npts=this->Ia->GetValue(i)) > maxSize )
{
maxSize = npts;
}
}
return maxSize;
}
//----------------------------------------------------------------------------
// Specify a group of cells.
void vtkCellArray::SetCells(vtkIdType ncells, vtkIdTypeArray *cells)
{
if ( cells && cells != this->Ia )
{
this->Modified();
this->Ia->Delete();
this->Ia = cells;
this->Ia->Register(this);
this->NumberOfCells = ncells;
this->InsertLocation = cells->GetMaxId() + 1;
this->TraversalLocation = 0;
}
}
//----------------------------------------------------------------------------
unsigned long vtkCellArray::GetActualMemorySize()
{
return this->Ia->GetActualMemorySize();
}
//----------------------------------------------------------------------------
int vtkCellArray::GetNextCell(vtkIdList *pts)
{
vtkIdType npts, *ppts;
if (this->GetNextCell(npts, ppts))
{
pts->SetNumberOfIds(npts);
for (vtkIdType i = 0; i < npts; i++)
{
pts->SetId(i, ppts[i]);
}
return 1;
}
return 0;
}
//----------------------------------------------------------------------------
void vtkCellArray::GetCell(vtkIdType loc, vtkIdList *pts)
{
vtkIdType npts = this->Ia->GetValue(loc++);
vtkIdType *ppts = this->Ia->GetPointer(loc);
pts->SetNumberOfIds(npts);
for (vtkIdType i = 0; i < npts; i++)
{
pts->SetId(i, ppts[i]);
}
}
//----------------------------------------------------------------------------
void vtkCellArray::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Number Of Cells: " << this->NumberOfCells << endl;
os << indent << "Insert Location: " << this->InsertLocation << endl;
os << indent << "Traversal Location: " << this->TraversalLocation << endl;
}
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