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/*=========================================================================
Program: Visualization Toolkit
Module: vtkAssemblyPath.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 "vtkAssemblyPath.h"
#include "vtkAssemblyNode.h"
#include "vtkObjectFactory.h"
#include "vtkProp.h"
#include "vtkTransform.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkAssemblyPath);
vtkAssemblyPath::vtkAssemblyPath()
{
this->Transform = vtkTransform::New();
this->Transform->PreMultiply();
this->TransformedProp = nullptr;
}
vtkAssemblyPath::~vtkAssemblyPath()
{
this->Transform->Delete();
if (this->TransformedProp != nullptr)
{
this->TransformedProp->Delete();
}
}
void vtkAssemblyPath::AddNode(vtkProp* p, vtkMatrix4x4* m)
{
vtkAssemblyNode* n = vtkAssemblyNode::New();
n->SetViewProp(p);
n->SetMatrix(m); // really a copy because we're gonna compute with it
this->AddNode(n);
n->Delete(); // ok reference counted
}
void vtkAssemblyPath::AddNode(vtkAssemblyNode* n)
{
// First add the node to the list
this->vtkCollection::AddItem(n);
// Grab the matrix, if any, and concatenate it
this->Transform->Push(); // keep in sync with list of nodes
vtkMatrix4x4* matrix;
if ((matrix = n->GetMatrix()) != nullptr)
{
this->Transform->Concatenate(matrix);
this->Transform->GetMatrix(matrix); // replace previous matrix
}
}
vtkAssemblyNode* vtkAssemblyPath::GetNextNode()
{
return static_cast<vtkAssemblyNode*>(this->GetNextItemAsObject());
}
vtkAssemblyNode* vtkAssemblyPath::GetFirstNode()
{
return this->Top ? static_cast<vtkAssemblyNode*>(this->Top->Item) : nullptr;
}
vtkAssemblyNode* vtkAssemblyPath::GetLastNode()
{
return this->Bottom ? static_cast<vtkAssemblyNode*>(this->Bottom->Item) : nullptr;
}
void vtkAssemblyPath::DeleteLastNode()
{
vtkAssemblyNode* node = this->GetLastNode();
this->vtkCollection::RemoveItem(node);
this->Transform->Pop();
}
void vtkAssemblyPath::ShallowCopy(vtkAssemblyPath* path)
{
this->RemoveAllItems();
vtkAssemblyNode* node;
for (path->InitTraversal(); (node = path->GetNextNode());)
{
this->vtkCollection::AddItem(node);
}
}
vtkMTimeType vtkAssemblyPath::GetMTime()
{
vtkMTimeType mtime = this->vtkCollection::GetMTime();
vtkAssemblyNode* node;
for (this->InitTraversal(); (node = this->GetNextNode());)
{
vtkMTimeType nodeMTime = node->GetMTime();
if (nodeMTime > mtime)
{
mtime = nodeMTime;
}
}
return mtime;
}
void vtkAssemblyPath::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
VTK_ABI_NAMESPACE_END
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