VTK  9.1.0
vtkExtentSplitter.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkExtentSplitter.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
29#ifndef vtkExtentSplitter_h
30#define vtkExtentSplitter_h
31
32#include "vtkCommonExecutionModelModule.h" // For export macro
33#include "vtkObject.h"
34
35class vtkExtentSplitterInternals;
36
37class VTKCOMMONEXECUTIONMODEL_EXPORT vtkExtentSplitter : public vtkObject
38{
39public:
41 void PrintSelf(ostream& os, vtkIndent indent) override;
43
45
50 void AddExtentSource(int id, int priority, int x0, int x1, int y0, int y1, int z0, int z1);
51 void AddExtentSource(int id, int priority, int* extent);
52 void RemoveExtentSource(int id);
55
57
61 void AddExtent(int x0, int x1, int y0, int y1, int z0, int z1);
62 void AddExtent(int* extent);
64
72
79
81
87 int* GetSubExtent(int index) VTK_SIZEHINT(6);
88 void GetSubExtent(int index, int* extent);
90
96 int GetSubExtentSource(int index);
97
99
106 vtkGetMacro(PointMode, vtkTypeBool);
107 vtkSetMacro(PointMode, vtkTypeBool);
108 vtkBooleanMacro(PointMode, vtkTypeBool);
110
111protected:
114
115 // Internal utility methods.
116 void SplitExtent(int* extent, int* subextent);
117 int IntersectExtents(const int* extent1, const int* extent2, int* result);
118 int Min(int a, int b);
119 int Max(int a, int b);
120
121 // Internal implementation data.
122 vtkExtentSplitterInternals* Internal;
123
124 // On if reading only all points (but not always all cells) is
125 // necessary. Used for reading volumes of planar slices storing
126 // only point data.
128
129private:
130 vtkExtentSplitter(const vtkExtentSplitter&) = delete;
131 void operator=(const vtkExtentSplitter&) = delete;
132};
133
134#endif
Split an extent across other extents.
~vtkExtentSplitter() override
vtkExtentSplitterInternals * Internal
int Min(int a, int b)
void RemoveExtentSource(int id)
Add/Remove a source providing the given extent.
void SplitExtent(int *extent, int *subextent)
void AddExtent(int *extent)
Add an extent to the queue of extents to be split among the available sources.
int * GetSubExtent(int index)
Get the sub-extent associated with the given index.
int ComputeSubExtents()
Split the extents currently in the queue among the available sources.
int Max(int a, int b)
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void AddExtent(int x0, int x1, int y0, int y1, int z0, int z1)
Add an extent to the queue of extents to be split among the available sources.
void AddExtentSource(int id, int priority, int x0, int x1, int y0, int y1, int z0, int z1)
Add/Remove a source providing the given extent.
void AddExtentSource(int id, int priority, int *extent)
Add/Remove a source providing the given extent.
int GetSubExtentSource(int index)
Get the id of the source from which the sub-extent associated with the given index should be read.
int IntersectExtents(const int *extent1, const int *extent2, int *result)
void GetSubExtent(int index, int *extent)
Get the sub-extent associated with the given index.
int GetNumberOfSubExtents()
Get the number of sub-extents into which the original set of extents have been split across the avail...
void RemoveAllExtentSources()
Add/Remove a source providing the given extent.
static vtkExtentSplitter * New()
a simple class to control print indentation
Definition: vtkIndent.h:113
abstract base class for most VTK objects
Definition: vtkObject.h:82
int vtkTypeBool
Definition: vtkABI.h:69
#define VTK_SIZEHINT(...)