vtkMeasurementCubeHandleRepresentation3D.h

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

  Program:   Visualization Toolkit
  Module:    vtkMeasurementCubeHandleRepresentation3D.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkMeasurementCubeHandleRepresentation3D_h
#define vtkMeasurementCubeHandleRepresentation3D_h

#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkHandleRepresentation.h"

class vtkProperty;
class vtkPolyDataMapper;
class vtkCellPicker;
class vtkTransformPolyDataFilter;
class vtkMatrixToLinearTransform;
class vtkMatrix4x4;
class vtkPolyData;
class vtkAbstractTransform;
class vtkActor;
class vtkFollower;
class vtkBillboardTextActor3D;

class VTKINTERACTIONWIDGETS_EXPORT vtkMeasurementCubeHandleRepresentation3D
                           : public vtkHandleRepresentation
{
public:

  static vtkMeasurementCubeHandleRepresentation3D *New();


  vtkTypeMacro(vtkMeasurementCubeHandleRepresentation3D,
               vtkHandleRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void SetWorldPosition(double p[3]) override;
  void SetDisplayPosition(double p[3]) override;


  vtkPolyData * GetHandle();


  void SetProperty(vtkProperty*);
  void SetSelectedProperty(vtkProperty*);
  vtkGetObjectMacro(Property,vtkProperty);
  vtkGetObjectMacro(SelectedProperty,vtkProperty);

  virtual vtkAbstractTransform * GetTransform();


  void BuildRepresentation() override;
  void StartWidgetInteraction(double eventPos[2]) override;
  void WidgetInteraction(double eventPos[2]) override;
  int ComputeInteractionState(int X, int Y, int modify=0) override;


  void ShallowCopy(vtkProp *prop) override;
  void DeepCopy(vtkProp *prop) override;
  void GetActors(vtkPropCollection *) override;
  void ReleaseGraphicsResources(vtkWindow *) override;
  int RenderOpaqueGeometry(vtkViewport *viewport) override;
  int RenderTranslucentPolygonalGeometry(vtkViewport *viewport) override;
  vtkTypeBool HasTranslucentPolygonalGeometry() override;
  double *GetBounds() override;


  vtkSetMacro( LabelVisibility, vtkTypeBool );
  vtkGetMacro( LabelVisibility, vtkTypeBool );
  vtkBooleanMacro( LabelVisibility, vtkTypeBool );
  vtkSetMacro( SelectedLabelVisibility, vtkTypeBool );
  vtkGetMacro( SelectedLabelVisibility, vtkTypeBool );
  vtkBooleanMacro( SelectedLabelVisibility, vtkTypeBool );

  virtual void SetLabelTextInput( const char * label );
  virtual char * GetLabelTextInput();


  vtkGetObjectMacro( LabelText, vtkBillboardTextActor3D );


  vtkSetMacro( HandleVisibility, vtkTypeBool );
  vtkGetMacro( HandleVisibility, vtkTypeBool );
  vtkBooleanMacro( HandleVisibility, vtkTypeBool );


  void Highlight(int highlight) override;


  vtkSetMacro( SmoothMotion, vtkTypeBool );
  vtkGetMacro( SmoothMotion, vtkTypeBool );
  vtkBooleanMacro( SmoothMotion, vtkTypeBool );


  void SetSideLength(double);
  vtkGetMacro( SideLength, double );


  vtkSetMacro( AdaptiveScaling, vtkTypeBool );
  vtkGetMacro( AdaptiveScaling, vtkTypeBool );
  vtkBooleanMacro( AdaptiveScaling, vtkTypeBool );


  vtkSetClampMacro( RescaleFactor, double, 1., VTK_DOUBLE_MAX );
  vtkGetMacro( RescaleFactor, double );


  void SetMinRelativeCubeScreenArea(double);
  vtkGetMacro( MinRelativeCubeScreenArea, double );
  void SetMaxRelativeCubeScreenArea(double);
  vtkGetMacro( MaxRelativeCubeScreenArea, double );


  vtkSetStringMacro(LengthUnit);
  vtkGetStringMacro(LengthUnit);

  /*
  * Register internal Pickers within PickingManager
  */
  void RegisterPickers() override;

protected:
  vtkMeasurementCubeHandleRepresentation3D();
  ~vtkMeasurementCubeHandleRepresentation3D() override;

  vtkActor                   * Actor;
  vtkPolyDataMapper          * Mapper;
  vtkTransformPolyDataFilter * HandleTransformFilter;
  vtkMatrixToLinearTransform * HandleTransform;
  vtkMatrix4x4               * HandleTransformMatrix;
  vtkCellPicker              * HandlePicker;
  double                       LastPickPosition[3];
  double                       LastEventPosition[2];
  vtkProperty                * Property;
  vtkProperty                * SelectedProperty;
  int                          WaitingForMotion;
  int                          WaitCount;
  vtkTypeBool                          HandleVisibility;
  double                       Offset[3];
  vtkTypeBool                          AdaptiveScaling;
  double                       RescaleFactor;
  double                       MinRelativeCubeScreenArea;
  double                       MaxRelativeCubeScreenArea;
  double                       SideLength;
  char                       * LengthUnit;

  // Methods to manipulate the cursor
  virtual void Translate(double *p1, double *p2);
  virtual void Scale(double *p1, double *p2, double eventPos[2]);
  virtual void MoveFocus(double *p1, double *p2);

  void CreateDefaultProperties();

  void ScaleIfNecessary(vtkViewport*);

  void MoveFocusRequest( double *p1, double *p2,
                         double eventPos[2], double requestedDisplayPos[3] );

  virtual void SetUniformScale( double scale );

  virtual void UpdateHandle();

  virtual void UpdateLabel();

  // Handle the label.
  vtkTypeBool LabelVisibility;
  vtkTypeBool SelectedLabelVisibility;
  vtkBillboardTextActor3D *LabelText;
  bool LabelAnnotationTextScaleInitialized;
  vtkTypeBool SmoothMotion;

private:
  vtkMeasurementCubeHandleRepresentation3D(
    const vtkMeasurementCubeHandleRepresentation3D&) = delete;
  void operator=(
    const vtkMeasurementCubeHandleRepresentation3D&) = delete;
};

#endif