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/*=========================================================================
Module: $RCSfile: vtkKWHistogramSet.h,v $
Copyright (c) Kitware, Inc.
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 vtkKWHistogramSet - a set of histograms
// .SECTION Description
// A set of histograms.
#ifndef __vtkKWHistogramSet_h
#define __vtkKWHistogramSet_h
#include "vtkObject.h"
#include "vtkKWWidgets.h" // Needed for export symbols directives
class vtkDataArray;
class vtkKWHistogram;
class vtkKWHistogramCallback;
class vtkKWHistogramSetInternals;
class KWWidgets_EXPORT vtkKWHistogramSet : public vtkObject
{
public:
static vtkKWHistogramSet* New();
vtkTypeRevisionMacro(vtkKWHistogramSet,vtkObject);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Add an histogram to the pool under a given name.
// Return 1 on success, 0 otherwise.
virtual int AddHistogram(vtkKWHistogram*, const char *name);
// Description:
// Allocate an histogram and add it in the pool under a given name.
// Return a pointer to the new histogram on success, NULL otherwise.
virtual vtkKWHistogram* AllocateAndAddHistogram(const char *name);
// Description:
// Get the number of histogram in the pool
virtual int GetNumberOfHistograms();
// Description:
// Retrieve an histogram (or its name) from the pool.
virtual vtkKWHistogram* GetHistogramWithName(const char *name);
virtual const char* GetHistogramName(vtkKWHistogram *hist);
virtual vtkKWHistogram* GetNthHistogram(int index);
// Description:
// Query if the pool has a given histogram
virtual int HasHistogramWithName(const char *name);
virtual int HasHistogram(vtkKWHistogram *hist);
// Description:
// Remove one or all histograms.
// Return 1 on success, 0 otherwise.
virtual int RemoveHistogramWithName(const char *name);
virtual int RemoveHistogram(vtkKWHistogram *hist);
virtual void RemoveAllHistograms();
// Description:
// The histogram set class is designed to share histogram between several
// classes in an application. As such, since histogram are retrieved by
// names, it makes sense to follow some naming guidelines. This method
// provides such a guideline by computing an histogram name given the
// name of the array this histogram will be built upon, the component
// that will be used in that array, and an optional tag.
// The histogram name is stored in 'buffer', which should be large enough.
// Return 1 on success, 0 otherwise.
static int ComputeHistogramName(
const char *array_name, int comp, const char *tag, char *buffer);
// Description:
// Allocate, add and build histograms for all components of a scalar array.
// Each histogram name is built by calling ComputeHistogramName with
// the scalar array, component index and 'tag' arguments.
// The 'skip_components_mask' is a binary mask specifying which component
// should be skipped (i.e., if the n-th bit in that mask is set, then the
// histogram for that n-th component will not be considered)
// Return 1 on success, 0 otherwise.
virtual int AddHistograms(vtkDataArray *array,
const char *tag = NULL,
int skip_components_mask = 0);
protected:
vtkKWHistogramSet();
~vtkKWHistogramSet();
//BTX
// PIMPL Encapsulation for STL containers
vtkKWHistogramSetInternals *Internals;
//ETX
private:
vtkKWHistogramSet(const vtkKWHistogramSet&); // Not implemented
void operator=(const vtkKWHistogramSet&); // Not implemented
};
#endif
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