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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkAbstractMapper.h,v $
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 "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 vtkDataArray;
class vtkDataSet;
class vtkPlane;
class vtkPlaneCollection;
class vtkPlanes;
class vtkTimerLog;
class vtkWindow;
class VTK_FILTERING_EXPORT vtkAbstractMapper : public vtkAlgorithm
{
public:
vtkTypeRevisionMacro(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.
// the arrayAccessMode is used to indicate how to retrieve the scalars from
// field data (if the scalarMode indicates that). The component is used to
// indicate which component in the data array to use as the scalars.
static vtkDataArray *GetScalars(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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