QmitkToFVisualisationSettingsWidget.h

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/*============================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.

Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.

============================================================================*/

#ifndef _QMITKTOFVISUALISATIONSETTINGSWIDGET_H_INCLUDED
#define _QMITKTOFVISUALISATIONSETTINGSWIDGET_H_INCLUDED

#include <MitkToFUIExports.h>
#include "ui_QmitkToFVisualisationSettingsWidgetControls.h"

#include "mitkDataNode.h"
// QT headers
#include <QWidget>
// vtk includes
#include <vtkColorTransferFunction.h>

class QmitkStdMultiWidget;

class MITKTOFUI_EXPORT QmitkToFVisualisationSettingsWidget :public QWidget
{

  //this is needed for all Qt objects that should have a MOC object (everything that derives from QObject)
  Q_OBJECT

  public:

    static const std::string VIEW_ID;

    QmitkToFVisualisationSettingsWidget (QWidget* p = nullptr, Qt::WindowFlags f1 = nullptr);
    ~QmitkToFVisualisationSettingsWidget () override;

    /* @brief This method is part of the widget an needs not to be called seperately. */
    virtual void CreateQtPartControl(QWidget *parent);
    /* @brief This method is part of the widget an needs not to be called seperately. (Creation of the connections of main and control widget.)*/
    virtual void CreateConnections();
    void Initialize(mitk::DataNode* distanceImageNode=nullptr, mitk::DataNode* amplitudeImageNode=nullptr,
                    mitk::DataNode* intensityImageNode=nullptr, mitk::DataNode* surfaceNode=nullptr);

    vtkColorTransferFunction* GetWidget1ColorTransferFunction();
    vtkColorTransferFunction* GetWidget2ColorTransferFunction();
    vtkColorTransferFunction* GetWidget3ColorTransferFunction();
    vtkColorTransferFunction* GetSelectedColorTransferFunction();
    int GetSelectedImageIndex();

protected slots:
    void OnShowAdvancedOptionsCheckboxChecked(bool checked);

    void OnSetXValueColor();
    void OnResetSlider();
    void OnSpanChanged (int lower, int upper);
    void OnTransferFunctionReset();
    void OnWidgetSelected(int index);
    void OnRangeSliderMaxChanged();
    void OnRangeSliderMinChanged();
    void OnTransferFunctionTypeSelected(int index);

  protected:

    void UpdateCanvas();
    void UpdateRanges();

    Ui::QmitkToFVisualisationSettingsWidgetControls* m_Controls;

    int m_RangeSliderMin; 
    int m_RangeSliderMax; 

    mitk::DataNode::Pointer m_MitkDistanceImageNode; 
    mitk::DataNode::Pointer m_MitkAmplitudeImageNode; 
    mitk::DataNode::Pointer m_MitkIntensityImageNode; 
    mitk::DataNode::Pointer m_MitkSurfaceNode; 

    vtkColorTransferFunction* m_Widget1ColorTransferFunction; 
    vtkColorTransferFunction* m_Widget2ColorTransferFunction; 
    vtkColorTransferFunction* m_Widget3ColorTransferFunction; 

    int m_Widget1TransferFunctionType; 
    int m_Widget2TransferFunctionType; 
    int m_Widget3TransferFunctionType; 

  private:

    void UpdateSurfaceProperty();


    void ResetTransferFunction(vtkColorTransferFunction* colorTransferFunction, int type, double min, double max);
    void ReinitTransferFunction(int widget, int type);
};

#endif // _QMITKTOFVISUALISATIONSETTINGSWIDGET_H_INCLUDED