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/*=========================================================================
Program: Visualization Toolkit
Module: vtkAnnotationLayers.h
-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------
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 vtkAnnotationLayers - Stores a ordered collection of annotation sets
//
// .SECTION Description
// vtkAnnotationLayers stores a vector of annotation layers. Each layer
// may contain any number of vtkAnnotation objects. The ordering of the
// layers introduces a prioritization of annotations. Annotations in
// higher layers may obscure annotations in lower layers.
#ifndef __vtkAnnotationLayers_h
#define __vtkAnnotationLayers_h
#include "vtkDataObject.h"
class vtkAnnotation;
class vtkSelection;
class VTK_FILTERING_EXPORT vtkAnnotationLayers : public vtkDataObject
{
public:
vtkTypeMacro(vtkAnnotationLayers, vtkDataObject);
void PrintSelf(ostream& os, vtkIndent indent);
static vtkAnnotationLayers* New();
// Description:
// The current annotation associated with this annotation link.
virtual void SetCurrentAnnotation(vtkAnnotation* ann);
vtkGetObjectMacro(CurrentAnnotation, vtkAnnotation);
// Description:
// The current selection associated with this annotation link.
// This is simply the selection contained in the current annotation.
virtual void SetCurrentSelection(vtkSelection* sel);
virtual vtkSelection* GetCurrentSelection();
// Description:
// The number of annotations in a specific layer.
unsigned int GetNumberOfAnnotations();
// Description:
// Retrieve an annotation from a layer.
vtkAnnotation* GetAnnotation(unsigned int idx);
// Description:
// Add an annotation to a layer.
void AddAnnotation(vtkAnnotation* ann);
// Description:
// Remove an annotation from a layer.
void RemoveAnnotation(vtkAnnotation* ann);
// Description:
// Initialize the data structure to an empty state.
virtual void Initialize();
// Description:
// Copy data from another data object into this one
// which references the same member annotations.
virtual void ShallowCopy(vtkDataObject* other);
// Description:
// Copy data from another data object into this one,
// performing a deep copy of member annotations.
virtual void DeepCopy(vtkDataObject* other);
// Description:
// Retrieve a vtkAnnotationLayers stored inside an information object.
static vtkAnnotationLayers* GetData(vtkInformation* info);
static vtkAnnotationLayers* GetData(vtkInformationVector* v, int i=0);
// Description:
// The modified time for this object.
virtual unsigned long GetMTime();
//BTX
protected:
vtkAnnotationLayers();
~vtkAnnotationLayers();
class Internals;
Internals* Implementation;
vtkAnnotation* CurrentAnnotation;
private:
vtkAnnotationLayers(const vtkAnnotationLayers&); // Not implemented.
void operator=(const vtkAnnotationLayers&); // Not implemented.
//ETX
};
#endif
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