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/*=========================================================================
Program: Visualization Toolkit
Module: vtkResliceImageViewerMeasurements.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.
=========================================================================*/
// .NAME vtkResliceImageViewerMeasurements - Manage measurements on a resliced image
// .SECTION Description
// This class manages measurements on the resliced image. It toggles the
// the visibility of the measurements based on whether the resliced image
// is the same orientation as when the measurement was initially placed.
// .SECTION see also
// vtkResliceCursor vtkResliceCursorWidget vtkResliceCursorRepresentation
#ifndef vtkResliceImageViewerMeasurements_h
#define vtkResliceImageViewerMeasurements_h
#include "vtkInteractionImageModule.h" // For export macro
#include "vtkObject.h"
class vtkResliceImageViewer;
class vtkAbstractWidget;
class vtkCallbackCommand;
class vtkCollection;
class vtkDistanceWidget;
class vtkAngleWidget;
class vtkBiDimensionalWidget;
class vtkHandleRepresentation;
class vtkHandleWidget;
class vtkCaptionWidget;
class vtkContourWidget;
class vtkSeedWidget;
class VTKINTERACTIONIMAGE_EXPORT vtkResliceImageViewerMeasurements : public vtkObject
{
public:
// Description:
// Standard VTK methods.
static vtkResliceImageViewerMeasurements *New();
vtkTypeMacro(vtkResliceImageViewerMeasurements,vtkObject);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Render the measurements.
virtual void Render();
// Description:
// Add / remove a measurement widget
virtual void AddItem(vtkAbstractWidget *);
virtual void RemoveItem(vtkAbstractWidget *);
virtual void RemoveAllItems();
// Description:
// Methods to change whether the widget responds to interaction.
// Set this to Off to disable interaction. On by default.
// Subclasses must overide SetProcessEvents() to make sure
// that they pass on the flag to all component widgets.
vtkSetClampMacro(ProcessEvents, int, 0, 1);
vtkGetMacro(ProcessEvents, int);
vtkBooleanMacro(ProcessEvents, int);
// Description:
// Tolerance for Point-in-Plane check
vtkSetMacro( Tolerance, double );
vtkGetMacro( Tolerance, double );
// Description:
// Set the reslice image viewer. This is automatically done in the class
// vtkResliceImageViewer
virtual void SetResliceImageViewer( vtkResliceImageViewer * );
vtkGetObjectMacro( ResliceImageViewer, vtkResliceImageViewer );
// Description:
// Update the measurements. This is automatically called when the reslice
// cursor's axes are change.
virtual void Update();
protected:
vtkResliceImageViewerMeasurements();
~vtkResliceImageViewerMeasurements();
// Description:
// Check if a measurement widget is on the resliced plane.
bool IsItemOnReslicedPlane( vtkAbstractWidget * w );
bool IsWidgetOnReslicedPlane( vtkDistanceWidget * w );
bool IsWidgetOnReslicedPlane( vtkAngleWidget * w );
bool IsWidgetOnReslicedPlane( vtkBiDimensionalWidget * w );
bool IsWidgetOnReslicedPlane( vtkCaptionWidget * w );
bool IsWidgetOnReslicedPlane( vtkContourWidget * w );
bool IsWidgetOnReslicedPlane( vtkSeedWidget * w );
bool IsWidgetOnReslicedPlane( vtkHandleWidget * w );
bool IsPointOnReslicedPlane( vtkHandleRepresentation * h );
bool IsPositionOnReslicedPlane( double p[3] );
// Handles the events; centralized here for all widgets.
static void ProcessEventsHandler(vtkObject* object, unsigned long event,
void* clientdata, void* calldata);
vtkResliceImageViewer * ResliceImageViewer;
vtkCollection * WidgetCollection;
// Handle the visibility of the measurements.
vtkCallbackCommand * EventCallbackCommand; //
// Flag indicating if we should handle events.
// On by default.
int ProcessEvents;
// Tolerance for Point-in-plane computation
double Tolerance;
private:
vtkResliceImageViewerMeasurements(const vtkResliceImageViewerMeasurements&); // Not implemented.
void operator=(const vtkResliceImageViewerMeasurements&); // Not implemented.
};
#endif
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