QmitkTransferFunctionWidget.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 QmitkTransferFunctionWidget_h
#define QmitkTransferFunctionWidget_h
 
#include <MitkQtWidgetsExtExports.h>
 
#include <mitkCommon.h>
 
#include <QWidget>
 
#include <mitkDataNode.h>
#include <mitkSimpleHistogram.h>
#include <mitkTransferFunctionProperty.h>
 
#include <QPushButton>
#include <QSlider>
#include <memory>
 
namespace mitk
{
  class BaseRenderer;
}
 
namespace Ui
{
  class QmitkTransferFunctionWidget;
}
 
class MITKQTWIDGETSEXT_EXPORT QmitkTransferFunctionWidget : public QWidget
{
  Q_OBJECT
 
public:
  QmitkTransferFunctionWidget(QWidget *parent = nullptr, Qt::WindowFlags f = {});
 
  ~QmitkTransferFunctionWidget() override;
 
  void SetDataNode(mitk::DataNode *node, mitk::TimeStepType timestep = 0, const mitk::BaseRenderer *renderer = nullptr);
 
  void SetScalarLabel(const QString &scalarLabel);
 
  void ShowScalarOpacityFunction(bool show);
 
  void ShowColorFunction(bool show);
 
  void ShowGradientOpacityFunction(bool show);
 
  void SetScalarOpacityFunctionEnabled(bool enable);
 
  void SetColorFunctionEnabled(bool enable);
 
  void SetGradientOpacityFunctionEnabled(bool enable);
 
public slots:
  void SetXValueScalar(const QString text);
 
  void SetYValueScalar(const QString text);
 
  void SetXValueGradient(const QString text);
 
  void SetYValueGradient(const QString text);
 
  void SetXValueColor(const QString text);
 
  void OnUpdateCanvas();
 
  void UpdateRanges();
 
  void UpdateStepSize();
 
  void OnResetSlider();
 
  void OnSpanChanged(double lower, double upper);
 
protected:
  std::unique_ptr<Ui::QmitkTransferFunctionWidget> m_Controls;
  mitk::TransferFunctionProperty::Pointer tfpToChange;
  mitk::SimpleHistogramCache histogramCache;
};
 
#endif