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 
35 class vtkExtentSplitterInternals;
36 
37 class VTKCOMMONEXECUTIONMODEL_EXPORT vtkExtentSplitter : public vtkObject
38 {
39 public:
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 
88  int* GetSubExtent(int index);
89  void GetSubExtent(int index, int* extent);
91 
98 
100 
107  vtkGetMacro(PointMode, int);
108  vtkSetMacro(PointMode, int);
109  vtkBooleanMacro(PointMode, int);
111 
112 protected:
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 
130 private:
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)
static vtkExtentSplitter * New()
void AddExtent(int *extent)
int ComputeSubExtents()
Split the extents currently in the queue among the available sources.
int * GetSubExtent(int index)
Get the sub-extent associated with the given index.
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()
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.