VTK  9.3.0
vtkPointHandleRepresentation2D.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
30 #ifndef vtkPointHandleRepresentation2D_h
31 #define vtkPointHandleRepresentation2D_h
32 
34 #include "vtkInteractionWidgetsModule.h" // For export macro
35 
36 VTK_ABI_NAMESPACE_BEGIN
37 class vtkProperty2D;
38 class vtkActor2D;
39 class vtkCoordinate;
41 class vtkPolyData;
42 class vtkGlyph2D;
43 class vtkPoints;
45 class vtkPointPlacer;
46 
47 class VTKINTERACTIONWIDGETS_EXPORT vtkPointHandleRepresentation2D : public vtkHandleRepresentation
48 {
49 public:
54 
56 
60  void PrintSelf(ostream& os, vtkIndent indent) override;
62 
64 
66 
71  void SetCursorShape(vtkPolyData* cursorShape);
74 
80  void SetDisplayPosition(double xyz[3]) override;
81 
83 
88  vtkGetObjectMacro(Property, vtkProperty2D);
89  vtkGetObjectMacro(SelectedProperty, vtkProperty2D);
91 
93 
98  double* GetBounds() VTK_SIZEHINT(6) override;
99  void BuildRepresentation() override;
100  void StartWidgetInteraction(double eventPos[2]) override;
101  void WidgetInteraction(double eventPos[2]) override;
102  int ComputeInteractionState(int X, int Y, int modify = 0) override;
104 
106 
109  void ShallowCopy(vtkProp* prop) override;
110  void DeepCopy(vtkProp* prop) override;
111  void GetActors2D(vtkPropCollection*) override;
112  void ReleaseGraphicsResources(vtkWindow*) override;
113  int RenderOverlay(vtkViewport* viewport) override;
115 
116  void Highlight(int highlight) override;
117 
124  void SetPointPlacer(vtkPointPlacer*) override;
125 
132  void SetVisibility(vtkTypeBool visible) override;
133 
134 protected:
137 
138  // Render the cursor
139  vtkActor2D* Actor;
140  vtkCoordinate* MapperCoordinate;
142  vtkGlyph2D* Glypher;
143  vtkPolyData* CursorShape;
144  vtkPolyData* FocalData;
145  vtkPoints* FocalPoint;
146 
147  // Support picking
148  double LastPickPosition[3];
149  double LastEventPosition[2];
150 
151  // Methods to manipulate the cursor
152  void Translate(const double* eventPos) override;
153  void Scale(const double eventPos[2]);
154 
155  // Properties used to control the appearance of selected objects and
156  // the manipulator in general.
157  vtkProperty2D* Property;
158  vtkProperty2D* SelectedProperty;
159  void CreateDefaultProperties();
160 
161  // The size of the hot spot.
162  int WaitingForMotion;
163  int WaitCount;
164 
165 private:
167  void operator=(const vtkPointHandleRepresentation2D&) = delete;
168 };
169 
170 VTK_ABI_NAMESPACE_END
171 #endif
a actor that draws 2D data
Definition: vtkActor2D.h:44
perform coordinate transformation, and represent position, in a variety of vtk coordinate systems
Definition: vtkCoordinate.h:78
copy oriented and scaled glyph geometry to every input point (2D specialization)
Definition: vtkGlyph2D.h:41
abstract class for representing widget handles
virtual void Translate(const double *p1, const double *p2)
Translates world position by vector p1p2 projected on the constraint axis if any.
a simple class to control print indentation
Definition: vtkIndent.h:38
represent the position of a point in display coordinates
void SetDisplayPosition(double xyz[3]) override
Set/Get the position of the point in display coordinates.
void PrintSelf(ostream &os, vtkIndent indent) override
Standard methods for instances of this class.
void SetSelectedProperty(vtkProperty2D *)
Set/Get the handle properties when unselected and selected.
void SetCursorShape(vtkPolyData *cursorShape)
Specify the cursor shape with an instance of vtkPolyData.
void SetProperty(vtkProperty2D *)
Set/Get the handle properties when unselected and selected.
double * GetBounds() override
Subclasses of vtkPointHandleRepresentation2D must implement these methods.
vtkPolyData * GetCursorShape()
Specify the cursor shape with an instance of vtkPolyData.
static vtkPointHandleRepresentation2D * New()
Instantiate this class.
Abstract interface to translate 2D display positions to world coordinates.
represent and manipulate 3D points
Definition: vtkPoints.h:38
Superclass for algorithms that produce only polydata as output.
draw vtkPolyData onto the image plane
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:89
an ordered list of Props
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:55
represent surface properties of a 2D image
Definition: vtkProperty2D.h:39
abstract specification for Viewports
Definition: vtkViewport.h:54
window superclass for vtkRenderWindow
Definition: vtkWindow.h:37
int vtkTypeBool
Definition: vtkABI.h:64
#define VTK_SIZEHINT(...)