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vtkPointHandleRepresentation2D.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkPointHandleRepresentation2D.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 =========================================================================*/
33 #ifndef vtkPointHandleRepresentation2D_h
34 #define vtkPointHandleRepresentation2D_h
35 
36 #include "vtkInteractionWidgetsModule.h" // For export macro
38 
39 class vtkProperty2D;
40 class vtkActor2D;
41 class vtkCoordinate;
43 class vtkPolyData;
44 class vtkGlyph2D;
45 class vtkPoints;
47 class vtkPointPlacer;
48 
49 class VTKINTERACTIONWIDGETS_EXPORT vtkPointHandleRepresentation2D : public vtkHandleRepresentation
50 {
51 public:
56 
58 
62  void PrintSelf(ostream& os, vtkIndent indent) override;
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 
126 protected:
129 
130  // Render the cursor
131  vtkActor2D *Actor;
132  vtkCoordinate *MapperCoordinate;
134  vtkGlyph2D *Glypher;
135  vtkPolyData *CursorShape;
136  vtkPolyData *FocalData;
137  vtkPoints *FocalPoint;
138 
139  // Support picking
140  double LastPickPosition[3];
141  double LastEventPosition[2];
142 
143  // Methods to manipulate the cursor
144  int ConstraintAxis;
145  void Translate(double eventPos[2]);
146  void Scale(double eventPos[2]);
147 
148  // Properties used to control the appearance of selected objects and
149  // the manipulator in general.
150  vtkProperty2D *Property;
151  vtkProperty2D *SelectedProperty;
152  void CreateDefaultProperties();
153 
154  // The size of the hot spot.
155  int DetermineConstraintAxis(int constraint, double eventPos[2]);
156  int WaitingForMotion;
157  int WaitCount;
158 
159 private:
161  void operator=(const vtkPointHandleRepresentation2D&) = delete;
162 };
163 
164 #endif
vtkPoints
represent and manipulate 3D points
Definition: vtkPoints.h:40
vtkPointHandleRepresentation2D::SetSelectedProperty
void SetSelectedProperty(vtkProperty2D *)
vtkPolyDataMapper2D
draw vtkPolyData onto the image plane
Definition: vtkPolyDataMapper2D.h:52
vtkPointPlacer
Abstract interface to translate 2D display positions to world coordinates.
Definition: vtkPointPlacer.h:50
vtkHandleRepresentation
abstract class for representing widget handles
Definition: vtkHandleRepresentation.h:59
vtkGlyph2D
copy oriented and scaled glyph geometry to every input point (2D specialization)
Definition: vtkGlyph2D.h:40
vtkHandleRepresentation.h
vtkPointHandleRepresentation2D::SetDisplayPosition
void SetDisplayPosition(double xyz[3]) override
Set/Get the position of the point in display coordinates.
vtkWindow
window superclass for vtkRenderWindow
Definition: vtkWindow.h:38
vtkPointHandleRepresentation2D::GetCursorShape
vtkPolyData * GetCursorShape()
VTK_SIZEHINT
#define VTK_SIZEHINT(...)
Definition: vtkWrappingHints.h:42
vtkPointHandleRepresentation2D::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:40
vtkCoordinate
perform coordinate transformation, and represent position, in a variety of vtk coordinate systems
Definition: vtkCoordinate.h:82
vtkPointHandleRepresentation2D
represent the position of a point in display coordinates
Definition: vtkPointHandleRepresentation2D.h:50
vtkPointHandleRepresentation2D::SetCursorShape
void SetCursorShape(vtkPolyData *cursorShape)
Specify the cursor shape with an instance of vtkPolyData.
vtkViewport
abstract specification for Viewports
Definition: vtkViewport.h:48
vtkPointHandleRepresentation2D::SetProperty
void SetProperty(vtkProperty2D *)
Set/Get the handle properties when unselected and selected.
vtkProp
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:53
vtkProperty2D
represent surface properties of a 2D image
Definition: vtkProperty2D.h:41
vtkActor2D
a actor that draws 2D data
Definition: vtkActor2D.h:46
vtkPointHandleRepresentation2D::New
static vtkPointHandleRepresentation2D * New()
Instantiate this class.
vtkPolyData
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:86
vtkPointHandleRepresentation2D::GetBounds
double * GetBounds() override
Subclasses of vtkPointHandleRepresentation2D must implement these methods.
vtkPropCollection
an ordered list of Props
Definition: vtkPropCollection.h:42
vtkPolyDataAlgorithm
Superclass for algorithms that produce only polydata as output.
Definition: vtkPolyDataAlgorithm.h:45