qMRMLUtils.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 Jean-Christophe Fillion-Robin, Kitware Inc.
  and was partially funded by NIH grant 3P41RR013218-12S1
 
==============================================================================*/
 
#ifndef __qMRMLUtils_h
#define __qMRMLUtils_h

#include <QString>
#include <QVector>
#include <QIcon>
#include <QPixmap>
 
#include "vtkIdList.h"
#include "qMRMLWidgetsExport.h"
 
class QMimeData;
class QStyle;
class vtkMRMLNode;
class vtkMRMLTransformNode;
class vtkTransform;
class vtkMatrix4x4;
class vtkMRMLScene;
class vtkImageData;
 
#define compare_double(x, y) (((x-y)<0.000001) && ((x-y)>-0.000001))
 
class QMRML_WIDGETS_EXPORT qMRMLUtils : public QObject
{
  Q_OBJECT;
public:
  typedef qMRMLUtils Self;
  qMRMLUtils(QObject* parent = nullptr);
  ~qMRMLUtils() override;

  Q_INVOKABLE static void vtkMatrixToQVector(vtkMatrix4x4* matrix, QVector<double> & vector);

  Q_INVOKABLE static void getTransformInCoordinateSystem(vtkMRMLNode* transformNode, bool global,
    vtkTransform* transform);
  Q_INVOKABLE static void getTransformInCoordinateSystem(vtkMRMLTransformNode* transformNode,
    bool global, vtkTransform* transform);

  Q_INVOKABLE static int countVisibleViewNode(vtkMRMLScene* scene);

  Q_INVOKABLE static QPixmap createColorPixmap(QStyle * style, const QColor& color);

  Q_INVOKABLE static bool vtkImageDataToQImage(vtkImageData* vtkimage, QImage& img);

  Q_INVOKABLE static bool qImageToVtkImageData(const QImage& img, vtkImageData* vtkimage);

  Q_INVOKABLE static void colorToQColor(const double *color, QColor &qcolor);

  Q_INVOKABLE static void qColorToColor(const QColor &qcolor, double* color);
 
  Q_INVOKABLE static void mimeDataToSubjectHierarchyItemIDs(const QMimeData* mimeData, vtkIdList* idList);
 
private:
  Q_DISABLE_COPY(qMRMLUtils);
 
};
class QMRML_WIDGETS_EXPORT qMRMLUtils : public QObject {…};
 
#endif