mitk::TransferFunctionPropertyDeserializer Class Reference

#include <mitkTransferFunctionPropertyDeserializer.h>

Inheritance diagram for mitk::TransferFunctionPropertyDeserializer:

Collaboration diagram for mitk::TransferFunctionPropertyDeserializer:

List of all members.

Public Types
typedef TransferFunctionPropertyDeserializer	Self
typedef BasePropertyDeserializer	Superclass
typedef itk::SmartPointer< Self >	Pointer
typedef itk::SmartPointer < const Self >	ConstPointer
Public Member Functions
virtual const char *	GetClassName () const
virtual BaseProperty::Pointer	Deserialize (TiXmlElement *element)
Static Public Member Functions
static Pointer	New ()
static TransferFunction::Pointer	DeserializeTransferFunction (const char *filePath)
Protected Member Functions
	TransferFunctionPropertyDeserializer ()
virtual	~TransferFunctionPropertyDeserializer ()

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Detailed Description

Definition at line 26 of file mitkTransferFunctionPropertyDeserializer.h.

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Member Typedef Documentation

typedef itk::SmartPointer<const Self> mitk::TransferFunctionPropertyDeserializer::ConstPointer

Reimplemented from mitk::BasePropertyDeserializer.

Definition at line 30 of file mitkTransferFunctionPropertyDeserializer.h.

typedef itk::SmartPointer<Self> mitk::TransferFunctionPropertyDeserializer::Pointer

Reimplemented from mitk::BasePropertyDeserializer.

Definition at line 30 of file mitkTransferFunctionPropertyDeserializer.h.

typedef TransferFunctionPropertyDeserializer mitk::TransferFunctionPropertyDeserializer::Self

Reimplemented from mitk::BasePropertyDeserializer.

Definition at line 30 of file mitkTransferFunctionPropertyDeserializer.h.

typedef BasePropertyDeserializer mitk::TransferFunctionPropertyDeserializer::Superclass

Reimplemented from mitk::BasePropertyDeserializer.

Definition at line 30 of file mitkTransferFunctionPropertyDeserializer.h.

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Constructor & Destructor Documentation

mitk::TransferFunctionPropertyDeserializer::TransferFunctionPropertyDeserializer

(

)

[protected]

Definition at line 21 of file mitkTransferFunctionPropertyDeserializer.cpp.

{

mitk::TransferFunctionPropertyDeserializer::~TransferFunctionPropertyDeserializer

(

)

[protected, virtual]

Definition at line 25 of file mitkTransferFunctionPropertyDeserializer.cpp.

{

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Member Function Documentation

BaseProperty::Pointer mitk::TransferFunctionPropertyDeserializer::Deserialize

(

TiXmlElement *

element )

[virtual]

Reimplemented from mitk::BasePropertyDeserializer.

Definition at line 29 of file mitkTransferFunctionPropertyDeserializer.cpp.

References TiXmlNode::FirstChildElement(), mitk::TransferFunctionProperty::New(), mitk::TransferFunction::New(), TiXmlNode::NextSiblingElement(), and TIXML_WRONG_TYPE.

{
  if (!element) 
    return NULL;
  
  TransferFunction::Pointer tf = TransferFunction::New();

  // deserialize scalar opacity function
  TiXmlElement* scalarOpacityPointlist = element->FirstChildElement("ScalarOpacity");
  if (scalarOpacityPointlist == NULL)
    return NULL;
    
  tf->ClearScalarOpacityPoints();  
    
  for( TiXmlElement* pointElement = scalarOpacityPointlist->FirstChildElement("point"); pointElement != NULL; pointElement = pointElement->NextSiblingElement("point"))
  {
    double x;
    double y;
    if (pointElement->QueryDoubleAttribute("x", &x) == TIXML_WRONG_TYPE)
      return NULL; // TODO: can we do a better error handling?
    if (pointElement->QueryDoubleAttribute("y", &y) == TIXML_WRONG_TYPE)
      return NULL; // TODO: can we do a better error handling?
    tf->AddScalarOpacityPoint(x, y);
  }

  TiXmlElement* gradientOpacityPointlist = element->FirstChildElement("GradientOpacity");
  if (gradientOpacityPointlist == NULL)
    return NULL;
  
  tf->ClearGradientOpacityPoints();
  
  for( TiXmlElement* pointElement = gradientOpacityPointlist->FirstChildElement("point"); pointElement != NULL; pointElement = pointElement->NextSiblingElement("point"))
  {
    double x;
    double y;
    if (pointElement->QueryDoubleAttribute("x", &x) == TIXML_WRONG_TYPE)
      return NULL; // TODO: can we do a better error handling?
    if (pointElement->QueryDoubleAttribute("y", &y) == TIXML_WRONG_TYPE)
      return NULL; // TODO: can we do a better error handling?
    tf->AddGradientOpacityPoint(x, y);
  }

  TiXmlElement* rgbPointlist = element->FirstChildElement("Color");
  if (rgbPointlist == NULL)
    return NULL;
  vtkColorTransferFunction* ctf = tf->GetColorTransferFunction();
  if (ctf == NULL)
    return NULL;
  
  ctf->RemoveAllPoints();
  
  for( TiXmlElement* pointElement = rgbPointlist->FirstChildElement("point"); pointElement != NULL; pointElement = pointElement->NextSiblingElement("point"))
  {
    double x;
    double r,g,b, midpoint, sharpness;
    if (pointElement->QueryDoubleAttribute("x", &x) == TIXML_WRONG_TYPE)
      return NULL; // TODO: can we do a better error handling?
    if (pointElement->QueryDoubleAttribute("r", &r) == TIXML_WRONG_TYPE)
      return NULL; // TODO: can we do a better error handling?
    if (pointElement->QueryDoubleAttribute("g", &g) == TIXML_WRONG_TYPE)
      return NULL; // TODO: can we do a better error handling?
    if (pointElement->QueryDoubleAttribute("b", &b) == TIXML_WRONG_TYPE)
      return NULL; // TODO: can we do a better error handling?
    if (pointElement->QueryDoubleAttribute("midpoint", &midpoint) == TIXML_WRONG_TYPE)
      return NULL; // TODO: can we do a better error handling?
    if (pointElement->QueryDoubleAttribute("sharpness", &sharpness) == TIXML_WRONG_TYPE)
      return NULL; // TODO: can we do a better error handling?
    ctf->AddRGBPoint(x, r, g, b, midpoint, sharpness);
  }
  return TransferFunctionProperty::New(tf).GetPointer();

mitk::TransferFunction::Pointer mitk::TransferFunctionPropertyDeserializer::DeserializeTransferFunction

(

const char *

filePath )

[static]

Definition at line 101 of file mitkTransferFunctionPropertyDeserializer.cpp.

References TiXmlDocument::ErrorDesc(), TiXmlNode::FirstChildElement(), mitk::TransferFunctionProperty::GetValue(), TiXmlDocument::LoadFile(), MITK_ERROR, MITK_WARN, New(), TiXmlElement::QueryIntAttribute(), and TIXML_SUCCESS.

Referenced by QmitkTransferFunctionGeneratorWidget::OnLoadPreset().

{
  TiXmlDocument document( filePath );
  
  if (!document.LoadFile())
  {
    MITK_ERROR << "Could not open/read/parse " << filePath << "\nTinyXML reports: " << document.ErrorDesc() << std::endl;
    return NULL;
  }
      
  // find version node --> note version in some variable
  int fileVersion = 1;
  TiXmlElement* versionObject = document.FirstChildElement("Version");
  if (versionObject)
  {
    if ( versionObject->QueryIntAttribute( "TransferfunctionVersion", &fileVersion ) != TIXML_SUCCESS )
    {
      MITK_WARN << "Transferfunction file " << filePath << " does not contain version information! Trying version 1 format.";
    }
  }
  
  TiXmlElement* input =  document.FirstChildElement("TransferFunction");
  
  TransferFunctionPropertyDeserializer::Pointer tfpd = TransferFunctionPropertyDeserializer::New();
  BaseProperty::Pointer bp = tfpd->Deserialize(input);
  TransferFunctionProperty::Pointer tfp = dynamic_cast<TransferFunctionProperty*>(bp.GetPointer());
  
  if(tfp.IsNotNull())
  {
    TransferFunction::Pointer tf = tfp->GetValue();
    return tf;
  }
  MITK_WARN << "Can't deserialize transferfunction"; 
  return NULL;

virtual const char* mitk::TransferFunctionPropertyDeserializer::GetClassName

(

)

const [virtual]

Reimplemented from mitk::BasePropertyDeserializer.

static Pointer mitk::TransferFunctionPropertyDeserializer::New

(

)

[static]

Referenced by DeserializeTransferFunction().

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

• mitkTransferFunctionPropertyDeserializer.h
• mitkTransferFunctionPropertyDeserializer.cpp