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/*=========================================================================
Program: Visualization Toolkit
Module: vtkLassoStencilSource.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 vtkLassoStencilSource - Create a stencil from a contour
// .SECTION Description
// vtkLassoStencilSource will create an image stencil from a
// set of points that define a contour. Its output can be
// used with vtkImageStecil or other vtk classes that apply
// a stencil to an image.
// .SECTION See Also
// vtkROIStencilSource vtkPolyDataToImageStencil
// .SECTION Thanks
// Thanks to David Gobbi for contributing this class to VTK.
#ifndef __vtkLassoStencilSource_h
#define __vtkLassoStencilSource_h
#include "vtkImagingStencilModule.h" // For export macro
#include "vtkImageStencilSource.h"
class vtkPoints;
class vtkSpline;
class vtkLSSPointMap;
class VTKIMAGINGSTENCIL_EXPORT vtkLassoStencilSource : public vtkImageStencilSource
{
public:
static vtkLassoStencilSource *New();
vtkTypeMacro(vtkLassoStencilSource, vtkImageStencilSource);
void PrintSelf(ostream& os, vtkIndent indent);
//BTX
enum {
POLYGON = 0,
SPLINE = 1
};
//ETX
// Description:
// The shape to use, default is "Polygon". The spline is a
// cardinal spline. Bezier splines are not yet supported.
vtkGetMacro(Shape, int);
vtkSetClampMacro(Shape, int, POLYGON, SPLINE);
void SetShapeToPolygon() { this->SetShape(POLYGON); };
void SetShapeToSpline() { this->SetShape(SPLINE); };
virtual const char *GetShapeAsString();
// Description:
// The points that make up the lassoo. The loop does not
// have to be closed, the last point will automatically be
// connected to the first point by a straight line segment.
virtual void SetPoints(vtkPoints *points);
vtkGetObjectMacro(Points, vtkPoints);
// Description:
// The slice orientation. The default is 2, which is XY.
// Other values are 0, which is YZ, and 1, which is XZ.
vtkGetMacro(SliceOrientation, int);
vtkSetClampMacro(SliceOrientation, int, 0, 2);
// Description:
// The points for a particular slice. This will override the
// points that were set by calling SetPoints() for the slice.
// To clear the setting, call SetSlicePoints(slice, NULL).
virtual void SetSlicePoints(int i, vtkPoints *points);
virtual vtkPoints *GetSlicePoints(int i);
// Description:
// Remove points from all slices.
virtual void RemoveAllSlicePoints();
// Description:
// Overload GetMTime() to include the timestamp on the points.
unsigned long GetMTime();
protected:
vtkLassoStencilSource();
~vtkLassoStencilSource();
virtual int RequestData(vtkInformation *, vtkInformationVector **,
vtkInformationVector *);
int Shape;
int SliceOrientation;
vtkPoints *Points;
vtkSpline *SplineX;
vtkSpline *SplineY;
vtkLSSPointMap *PointMap;
private:
vtkLassoStencilSource(const vtkLassoStencilSource&); // Not implemented.
void operator=(const vtkLassoStencilSource&); // Not implemented.
};
#endif
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