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/*=========================================================================
Program: Visualization Toolkit
Module: vtkAbstractMapper.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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 vtkAbstractMapper - abstract class specifies interface to map data
// .SECTION Description
// vtkAbstractMapper is an abstract class to specify interface between data and
// graphics primitives or software rendering techniques. Subclasses of
// vtkAbstractMapper can be used for rendering 2D data, geometry, or volumetric
// data.
//
// .SECTION See Also
// vtkAbstractMapper3D vtkMapper vtkPolyDataMapper vtkVolumeMapper
#ifndef vtkAbstractMapper_h
#define vtkAbstractMapper_h
#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkAlgorithm.h"
#define VTK_SCALAR_MODE_DEFAULT 0
#define VTK_SCALAR_MODE_USE_POINT_DATA 1
#define VTK_SCALAR_MODE_USE_CELL_DATA 2
#define VTK_SCALAR_MODE_USE_POINT_FIELD_DATA 3
#define VTK_SCALAR_MODE_USE_CELL_FIELD_DATA 4
#define VTK_SCALAR_MODE_USE_FIELD_DATA 5
#define VTK_GET_ARRAY_BY_ID 0
#define VTK_GET_ARRAY_BY_NAME 1
class vtkAbstractArray;
class vtkDataSet;
class vtkPlane;
class vtkPlaneCollection;
class vtkPlanes;
class vtkTimerLog;
class vtkWindow;
class VTKRENDERINGCORE_EXPORT vtkAbstractMapper : public vtkAlgorithm
{
public:
vtkTypeMacro(vtkAbstractMapper, vtkAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Override Modifiedtime as we have added Clipping planes
virtual unsigned long GetMTime();
// Description:
// Release any graphics resources that are being consumed by this mapper.
// The parameter window could be used to determine which graphic
// resources to release.
virtual void ReleaseGraphicsResources(vtkWindow *) {}
// Description:
// Get the time required to draw the geometry last time it was rendered
vtkGetMacro( TimeToDraw, double );
// Description:
// Specify clipping planes to be applied when the data is mapped
// (at most 6 clipping planes can be specified).
void AddClippingPlane(vtkPlane *plane);
void RemoveClippingPlane(vtkPlane *plane);
void RemoveAllClippingPlanes();
// Description:
// Get/Set the vtkPlaneCollection which specifies the
// clipping planes.
virtual void SetClippingPlanes(vtkPlaneCollection*);
vtkGetObjectMacro(ClippingPlanes, vtkPlaneCollection);
// Description:
// An alternative way to set clipping planes: use up to six planes found
// in the supplied instance of the implicit function vtkPlanes.
void SetClippingPlanes(vtkPlanes *planes);
// Description:
// Make a shallow copy of this mapper.
void ShallowCopy(vtkAbstractMapper *m);
// Description:
// Internal helper function for getting the active scalars. The scalar
// mode indicates where the scalars come from. The cellFlag is a
// return value that is set when the scalars actually are cell scalars.
// (0 for point scalars, 1 for cell scalars, 2 for field scalars)
// The arrayAccessMode is used to indicate how to retrieve the scalars from
// field data, per id or per name (if the scalarMode indicates that).
static vtkDataArray *GetScalars(vtkDataSet *input, int scalarMode,
int arrayAccessMode, int arrayId,
const char *arrayName, int& cellFlag);
// Description:
// Internal helper function for getting the active scalars as an
// abstract array. The scalar mode indicates where the scalars come
// from. The cellFlag is a return value that is set when the
// scalars actually are cell scalars. (0 for point scalars, 1 for
// cell scalars, 2 for field scalars) The arrayAccessMode is used to
// indicate how to retrieve the scalars from field data, per id or
// per name (if the scalarMode indicates that).
static vtkAbstractArray *GetAbstractScalars(vtkDataSet *input, int scalarMode,
int arrayAccessMode, int arrayId,
const char *arrayName, int& cellFlag);
protected:
vtkAbstractMapper();
~vtkAbstractMapper();
vtkTimerLog *Timer;
double TimeToDraw;
vtkWindow *LastWindow; // Window used for the previous render
vtkPlaneCollection *ClippingPlanes;
private:
vtkAbstractMapper(const vtkAbstractMapper&); // Not implemented.
void operator=(const vtkAbstractMapper&); // Not implemented.
};
#endif
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