VTK
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) VTK_OVERRIDE;
43
45
50 void AddExtentSource(int id, int priority, int x0, int x1,
51 int y0, int y1, int z0, int z1);
52 void AddExtentSource(int id, int priority, int* extent);
53 void RemoveExtentSource(int id);
56
58
62 void AddExtent(int x0, int x1, int y0, int y1, int z0, int z1);
63 void AddExtent(int* extent);
65
73
80
82
89 void GetSubExtent(int index, int* extent);
91
98
100
107 vtkGetMacro(PointMode, int);
108 vtkSetMacro(PointMode, int);
109 vtkBooleanMacro(PointMode, int);
111
112protected:
114 ~vtkExtentSplitter() VTK_OVERRIDE;
115
116 // Internal utility methods.
117 void SplitExtent(int* extent, int* subextent);
118 int IntersectExtents(const int* extent1, const int* extent2, int* result);
119 int Min(int a, int b);
120 int Max(int a, int b);
121
122 // Internal implementation data.
123 vtkExtentSplitterInternals* Internal;
124
125 // On if reading only all points (but not always all cells) is
126 // necessary. Used for reading volumes of planar slices storing
127 // only point data.
128 int PointMode;
129
130private:
131 vtkExtentSplitter(const vtkExtentSplitter&) VTK_DELETE_FUNCTION;
132 void operator=(const vtkExtentSplitter&) VTK_DELETE_FUNCTION;
133};
134
135#endif
Split an extent across other extents.
~vtkExtentSplitter() override
void RemoveExtentSource(int id)
void AddExtent(int *extent)
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.
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)
int GetSubExtentSource(int index)
Get the id of the source from which the sub-extent associated with the given index should be read.
void GetSubExtent(int index, int *extent)
int GetNumberOfSubExtents()
Get the number of sub-extents into which the original set of extents have been split across the avail...
void RemoveAllExtentSources()
static vtkExtentSplitter * New()
a simple class to control print indentation
Definition: vtkIndent.h:40
abstract base class for most VTK objects
Definition: vtkObject.h:60
@ priority
Definition: vtkX3D.h:450
@ extent
Definition: vtkX3D.h:345
@ index
Definition: vtkX3D.h:246
vtkSetMacro(IgnoreDriverBugs, bool)
Updates the extensions string.
vtkBooleanMacro(IgnoreDriverBugs, bool)
Updates the extensions string.