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/*=========================================================================
Program: ParaView
Module: vtkSMSelectionHelper.h
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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.
=========================================================================*/
/**
* @class vtkSMSelectionHelper
* @brief Utility class to help with selection tasks
*
* This class contains several static methods that help with the
* complicated selection task.
*/
#ifndef vtkSMSelectionHelper_h
#define vtkSMSelectionHelper_h
#include "vtkPVServerManagerRenderingModule.h" //needed for exports
#include "vtkSMObject.h"
class vtkCollection;
class vtkSelection;
class vtkSelectionNode;
class vtkSMProxy;
class vtkSMSession;
class vtkSMSourceProxy;
class VTKPVSERVERMANAGERRENDERING_EXPORT vtkSMSelectionHelper : public vtkSMObject
{
public:
static vtkSMSelectionHelper* New();
vtkTypeMacro(vtkSMSelectionHelper, vtkSMObject);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
/**
* Given a selection, returns a proxy for a selection source that has
* the ids specified by it. This source can then be used as input
* to a vtkExtractSelection filter.
* CAVEAT: Make sure to specify the connection id for the server on which
* the selection was performed. This method can only handle 3 types of
* selection FRUSTUM, INDICES and GLOBALIDS. We can easily change this to
* handle all other types of selection but that's not required currently and
* hence we not adding that code.
*/
static vtkSMProxy* NewSelectionSourceFromSelection(
vtkSMSession* session, vtkSelection* selection, bool ignore_composite_keys = false);
static void NewSelectionSourcesFromSelection(vtkSelection* selection, vtkSMProxy* view,
vtkCollection* selSources, vtkCollection* selRepresentations);
/**
* Given the ContentType for an output vtkSelection, this create a new source
* proxy generating the selection, the input selectionSourceProxy is used to
* fill the default values for created selection source.
*/
static vtkSMProxy* ConvertSelection(
int outputType, vtkSMProxy* selectionSourceProxy, vtkSMSourceProxy* dataSource, int outputport);
/**
* Updates output to be a combination of (input | output) if the two selection
* sources are mergeable. Returns true if merge successful.
* dataSource and outputport are needed if a conversion is needed to make the
* input expandable to the type of the output.
*/
static bool MergeSelection(vtkSMSourceProxy* output, vtkSMSourceProxy* input,
vtkSMSourceProxy* dataSource, int outputport);
/**
* Updates output to be a subtraction of input and output (input - output) if the two selection
* sources are mergeable. Returns true if the subtraction is successful.
* dataSource and outputport are needed if a conversion is needed to make the
* input expandable to the type of the output.
*/
static bool SubtractSelection(vtkSMSourceProxy* output, vtkSMSourceProxy* input,
vtkSMSourceProxy* dataSource, int outputport);
/**
* Updates output to be a toggle of input and output
* (input + (input | output ) - (input & output ) ) if the two selection
* sources are mergeable. Returns true if the toggling is successful.
* dataSource and outputport are needed if a conversion is needed to make the
* input expandable to the type of the output.
*/
static bool ToggleSelection(vtkSMSourceProxy* output, vtkSMSourceProxy* input,
vtkSMSourceProxy* dataSource, int outputport);
protected:
vtkSMSelectionHelper(){};
~vtkSMSelectionHelper(){};
static void ConvertSurfaceSelectionToVolumeSelectionInternal(
vtkIdType connectionID, vtkSelection* input, vtkSelection* output, int global_ids);
private:
vtkSMSelectionHelper(const vtkSMSelectionHelper&) VTK_DELETE_FUNCTION;
void operator=(const vtkSMSelectionHelper&) VTK_DELETE_FUNCTION;
static vtkSMProxy* NewSelectionSourceFromSelectionInternal(
vtkSMSession*, vtkSelectionNode* selection, vtkSMProxy* selSource, bool ignore_composite_keys);
static vtkSMProxy* ConvertInternal(
vtkSMSourceProxy* inSource, vtkSMSourceProxy* dataSource, int dataPort, int outputType);
};
#endif
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