VTK  9.2.6
vtkSplineRepresentation.h
Go to the documentation of this file.
1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkSplineRepresentation.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 =========================================================================*/
31 #ifndef vtkSplineRepresentation_h
32 #define vtkSplineRepresentation_h
33 
35 #include "vtkInteractionWidgetsModule.h" // For export macro
36 
38 
39 class VTKINTERACTIONWIDGETS_EXPORT vtkSplineRepresentation : public vtkAbstractSplineRepresentation
40 {
41 public:
42  static vtkSplineRepresentation* New();
44  void PrintSelf(ostream& os, vtkIndent indent) override;
45 
50  virtual void SetNumberOfHandles(int npts) override;
51 
55  void SetParametricSpline(vtkParametricSpline* spline) override;
56 
63  void InitializeHandles(vtkPoints* points) override;
64 
71  void BuildRepresentation() override;
72 
73 protected:
75  ~vtkSplineRepresentation() override;
76 
80  int InsertHandleOnLine(double* pos) override;
81 
85  void ClearHandles();
86 
91  void AllocateHandles(int npts);
92 
96  void CreateDefaultHandles(int npts);
97 
104  void ReconfigureHandles(int npts);
105 
106  // Specialized methods to access handles
107  vtkActor* GetHandleActor(int index) override;
108  vtkHandleSource* GetHandleSource(int index) override;
109  virtual int GetHandleIndex(vtkProp* prop) override;
110 
111 private:
113  void operator=(const vtkSplineRepresentation&) = delete;
114 
115  void RebuildRepresentation();
116 
117  // Glyphs representing hot spots (e.g., handles)
118  std::vector<vtkSmartPointer<vtkPointHandleSource>> PointHandles;
119  std::vector<vtkSmartPointer<vtkActor>> HandleActors;
120 };
121 
122 #endif
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:56
representation for a spline.
represents an object (geometry & properties) in a rendered scene
Definition: vtkActor.h:51
virtual void InitializeHandles(vtkPoints *points)=0
Convenience method to allocate and set the handles from a vtkPoints instance.
abstract representation for a spline.
virtual void SetParametricSpline(vtkParametricSpline *spline)
Set the parametric spline object.
interface that can be inherited to define handler sources for any kind of interaction.
virtual int GetHandleIndex(vtkProp *prop)=0
returns handle index or -1 on fail
virtual void SetNumberOfHandles(int npts)=0
Set/Get the number of handles for this widget.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual vtkHandleSource * GetHandleSource(int index)=0
parametric function for 1D interpolating splines
a simple class to control print indentation
Definition: vtkIndent.h:39
void BuildRepresentation() override=0
These are methods that satisfy vtkWidgetRepresentation API.
handle source used to represent points.
virtual vtkActor * GetHandleActor(int index)=0
virtual int InsertHandleOnLine(double *pos)=0
Returns the position of insertion or -1 on fail.
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
represent and manipulate 3D points
Definition: vtkPoints.h:39