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/*=========================================================================
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.kitware.com/VolViewCopyright.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 "XML/vtkXMLVVHandleWidgetReader.h"
#include "vtkObjectFactory.h"
#include "vtkVVHandleWidget.h"
#include "vtkXMLDataElement.h"
#include "vtkHandleRepresentation.h"
#include "vtkImageActorPointHandleRepresentation3D.h"
#include "XML/vtkXMLHandleRepresentationReader.h"
#include "XML/vtkXMLVVHandleWidgetWriter.h"
#include <vtksys/ios/sstream>
vtkStandardNewMacro(vtkXMLVVHandleWidgetReader);
vtkCxxRevisionMacro(vtkXMLVVHandleWidgetReader, "$Revision: 1.4 $");
//----------------------------------------------------------------------------
const char* vtkXMLVVHandleWidgetReader::GetRootElementName()
{
return "HandleWidget";
}
//----------------------------------------------------------------------------
int vtkXMLVVHandleWidgetReader::Parse(vtkXMLDataElement *elem)
{
if (!this->Superclass::Parse(elem))
{
return 0;
}
vtkVVHandleWidget *obj = vtkVVHandleWidget::SafeDownCast(this->Object);
if (!obj)
{
vtkWarningMacro(<< "The VVHandleWidget is not set!");
return 0;
}
// Get nested elements
int nb_nested_elems = elem->GetNumberOfNestedElements();
for (int idx = 0; idx < nb_nested_elems; idx++)
{
vtkXMLDataElement *nested_elem = elem->GetNestedElement(idx);
// ID
if (!strcmp(nested_elem->GetName(),
vtkXMLVVHandleWidgetWriter::GetIDElementName()))
{
const char *cd = nested_elem->GetCharacterData();
if (cd)
{
int ID;
strstream is;
is << cd << ends; // no istringstream in VTK
is >> ID;
is.rdbuf()->freeze(0);
obj->SetID(ID);
}
}
}
// Representation
vtkHandleRepresentation *rep =
vtkHandleRepresentation::SafeDownCast(obj->GetRepresentation());
if (rep)
{
vtkXMLHandleRepresentationReader *xmlr =
vtkXMLHandleRepresentationReader::New();
xmlr->SetObject(rep);
vtkXMLDataElement *nested_elem = xmlr->ParseInNestedElement(
elem, vtkXMLVVHandleWidgetWriter::GetRepresentationElementName());
xmlr->Delete();
vtkImageActorPointHandleRepresentation3D *repim3d =
vtkImageActorPointHandleRepresentation3D::SafeDownCast(rep);
int ival;
if (repim3d &&
nested_elem->GetScalarAttribute("DisplayForAllSlices", ival))
{
repim3d->SetDisplayForAllSlices(ival);
}
obj->WidgetIsDefined();
}
return 1;
}
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