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/*=========================================================================
Program: Visualization Toolkit
Module: vtkInformationDoubleKey.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 "vtkInformationDoubleKey.h"
#include "vtkInformation.h"
//----------------------------------------------------------------------------
vtkInformationDoubleKey::vtkInformationDoubleKey(const char* name, const char* location):
vtkInformationKey(name, location)
{
vtkCommonInformationKeyManager::Register(this);
}
//----------------------------------------------------------------------------
vtkInformationDoubleKey::~vtkInformationDoubleKey()
{
}
//----------------------------------------------------------------------------
void vtkInformationDoubleKey::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//----------------------------------------------------------------------------
class vtkInformationDoubleValue: public vtkObjectBase
{
public:
vtkBaseTypeMacro(vtkInformationDoubleValue, vtkObjectBase);
double Value;
};
//----------------------------------------------------------------------------
void vtkInformationDoubleKey::Set(vtkInformation* info, double value)
{
if(vtkInformationDoubleValue* oldv =
static_cast<vtkInformationDoubleValue *>(
this->GetAsObjectBase(info)))
{
if (oldv->Value != value)
{
// Replace the existing value.
oldv->Value = value;
// Since this sets a value without call SetAsObjectBase(),
// the info has to be modified here (instead of
// vtkInformation::SetAsObjectBase()
info->Modified(this);
}
}
else
{
// Allocate a new value.
vtkInformationDoubleValue* v = new vtkInformationDoubleValue;
v->InitializeObjectBase();
v->Value = value;
this->SetAsObjectBase(info, v);
v->Delete();
}
}
//----------------------------------------------------------------------------
double vtkInformationDoubleKey::Get(vtkInformation* info)
{
vtkInformationDoubleValue* v =
static_cast<vtkInformationDoubleValue *>(
this->GetAsObjectBase(info));
return v?v->Value:0;
}
//----------------------------------------------------------------------------
void vtkInformationDoubleKey::ShallowCopy(vtkInformation* from, vtkInformation* to)
{
if (this->Has(from))
{
this->Set(to, this->Get(from));
}
else
{
this->SetAsObjectBase(to, 0); // doesn't exist in from, so remove the key
}
}
//----------------------------------------------------------------------------
void vtkInformationDoubleKey::Print(ostream& os, vtkInformation* info)
{
// Print the value.
if(this->Has(info))
{
os << this->Get(info);
}
}
//----------------------------------------------------------------------------
double* vtkInformationDoubleKey::GetWatchAddress(vtkInformation* info)
{
if(vtkInformationDoubleValue* v =
static_cast<vtkInformationDoubleValue *>(
this->GetAsObjectBase(info)))
{
return &v->Value;
}
return 0;
}
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