VTK  9.3.1
vtkCameraPathRepresentation.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
19 #ifndef vtkCameraPathRepresentation_h
20 #define vtkCameraPathRepresentation_h
21 
23 #include "vtkInteractionWidgetsModule.h" // For export macro
24 
25 VTK_ABI_NAMESPACE_BEGIN
27 class vtkCamera;
28 
29 class VTKINTERACTIONWIDGETS_EXPORT vtkCameraPathRepresentation
31 {
32 public:
35  void PrintSelf(ostream& os, vtkIndent indent) override;
36 
41  void SetDirectional(bool val) override;
42 
47  void SetNumberOfHandles(int npts) override;
48 
52  void SetParametricSpline(vtkParametricSpline* spline) override;
53 
61  void InitializeHandles(vtkPoints* points) override;
62 
69  void BuildRepresentation() override;
70 
74  void AddCameraAt(vtkCamera* camera, int index);
75 
79  void DeleteCameraAt(int index);
80 
81 protected:
83  ~vtkCameraPathRepresentation() override = default;
84 
88  void SizeHandles() override;
89 
93  void ClearCameraHandles();
94 
99  void InsertCamera(vtkCamera* camera, int index);
100 
104  void CreateDefaultHandles(int npts);
105 
114  void ReconfigureHandles(int newNPts, int oldNPts);
115 
119  int InsertHandleOnLine(double* pos) override;
120 
124  void EraseHandle(const int&) override;
125 
126  // Specialized methods to access handles
127  vtkActor* GetHandleActor(int index) override;
128  vtkHandleSource* GetHandleSource(int index) override;
129  int GetHandleIndex(vtkProp* prop) override;
130 
131 private:
133  void operator=(const vtkCameraPathRepresentation&) = delete;
134 
135  void RebuildRepresentation();
136 
137  void UpdateConfiguration(int npts);
138 
139  std::vector<vtkSmartPointer<vtkCameraHandleSource>> CameraHandles;
140  std::vector<vtkSmartPointer<vtkActor>> HandleActors;
141 };
142 
143 VTK_ABI_NAMESPACE_END
144 #endif
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:45
represents an object (geometry & properties) in a rendered scene
Definition: vtkActor.h:40
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.
virtual void SizeHandles()
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
handle source used to represent one camera.
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
representation for a camera path.
parametric function for 1D interpolating splines
virtual void SetDirectional(bool val)
Set the representation to be directional or not.
a simple class to control print indentation
Definition: vtkIndent.h:28
a virtual camera for 3D rendering
Definition: vtkCamera.h:40
void BuildRepresentation() override=0
These are methods that satisfy vtkWidgetRepresentation API.
virtual void EraseHandle(const int &)
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:28