qMRMLVolumePropertyNodeWidget.h

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/*==============================================================================
 
  Program: 3D Slicer
 
  Copyright (c) Kitware Inc.
 
  See COPYRIGHT.txt
  or http://www.slicer.org/copyright/copyright.txt for details.
 
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
 
  This file was originally developed by Julien Finet, Kitware Inc.
  and was partially funded by NIH grant 3P41RR013218-12S1
 
==============================================================================*/
 
#ifndef __qMRMLVolumePropertyNodeWidget_h
#define __qMRMLVolumePropertyNodeWidget_h
 
// Qt includes
#include <QWidget>
 
// CTK includes
#include <ctkVTKObject.h>
 
// VolumeRendering includes
#include "qSlicerVolumeRenderingModuleWidgetsExport.h"
class qMRMLVolumePropertyNodeWidgetPrivate;
 
// MRML includes
class vtkMRMLNode;
class vtkMRMLVolumePropertyNode;
 
// VTK includes
class vtkControlPointsItem;
class vtkVolumeProperty;
 
class Q_SLICER_MODULE_VOLUMERENDERING_WIDGETS_EXPORT qMRMLVolumePropertyNodeWidget : public QWidget
{
  Q_OBJECT
  QVTK_OBJECT
  Q_PROPERTY(bool threshold READ hasThreshold WRITE setThreshold)
  Q_PROPERTY(int componentCount READ componentCount WRITE setComponentCount)
 
public:
  typedef QWidget Superclass;
  explicit qMRMLVolumePropertyNodeWidget(QWidget* parent = nullptr);
  ~qMRMLVolumePropertyNodeWidget() override;

  vtkVolumeProperty* volumeProperty() const;

  void chartsBounds(double bounds[4]) const;
  void chartsExtent(double extent[4]) const;
 
  void setThreshold(bool enable);
  bool hasThreshold() const;
 
public slots:
  void setMRMLVolumePropertyNode(vtkMRMLNode* node);
  void setMRMLVolumePropertyNode(vtkMRMLVolumePropertyNode* volumePropertyNode);
 
  void moveAllPoints(double x, double y = 0., bool dontMoveFirstAndLast = false);
  void spreadAllPoints(double factor, bool dontSpreadFirstAndLast = false);

  void setChartsExtent(double extent[2]);
  void setChartsExtent(double min, double max);

  int componentCount() const;
  void setComponentCount(int component);
  void updateIndependentComponents();
 
signals:
  void thresholdChanged(bool enabled);
  void volumePropertyChanged();
  void chartsExtentChanged();
  void componentChanged(int component);
 
protected slots:
  void updateFromVolumePropertyNode();
 
protected:
  QScopedPointer<qMRMLVolumePropertyNodeWidgetPrivate> d_ptr;
 
private:
  Q_DECLARE_PRIVATE(qMRMLVolumePropertyNodeWidget);
  Q_DISABLE_COPY(qMRMLVolumePropertyNodeWidget);
};
 
#endif