VTK  9.1.0
vtkAffineRepresentation2D.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkAffineRepresentation2D.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=========================================================================*/
60#ifndef vtkAffineRepresentation2D_h
61#define vtkAffineRepresentation2D_h
62
64#include "vtkInteractionWidgetsModule.h" // For export macro
65
66class vtkProperty2D;
67class vtkActor2D;
69class vtkPolyData;
70class vtkPoints;
71class vtkCellArray;
72class vtkTextProperty;
74class vtkTextMapper;
75class vtkActor2D;
76
77class VTKINTERACTIONWIDGETS_EXPORT vtkAffineRepresentation2D : public vtkAffineRepresentation
78{
79public:
84
86
90 void PrintSelf(ostream& os, vtkIndent indent) override;
92
94
101 vtkSetClampMacro(BoxWidth, int, 10, VTK_INT_MAX);
102 vtkGetMacro(BoxWidth, int);
103 vtkSetClampMacro(CircleWidth, int, 10, VTK_INT_MAX);
104 vtkGetMacro(CircleWidth, int);
105 vtkSetClampMacro(AxesWidth, int, 10, VTK_INT_MAX);
106 vtkGetMacro(AxesWidth, int);
108
110
115 void SetOrigin(const double o[3]) { this->SetOrigin(o[0], o[1], o[2]); }
116 void SetOrigin(double ox, double oy, double oz);
117 vtkGetVector3Macro(Origin, double);
119
128 void GetTransform(vtkTransform* t) override;
129
131
137 vtkGetObjectMacro(Property, vtkProperty2D);
138 vtkGetObjectMacro(SelectedProperty, vtkProperty2D);
139 vtkGetObjectMacro(TextProperty, vtkTextProperty);
141
143
148 vtkSetMacro(DisplayText, vtkTypeBool);
149 vtkGetMacro(DisplayText, vtkTypeBool);
150 vtkBooleanMacro(DisplayText, vtkTypeBool);
152
154
161 void PlaceWidget(double bounds[6]) override;
162 void StartWidgetInteraction(double eventPos[2]) override;
163 void WidgetInteraction(double eventPos[2]) override;
164 void EndWidgetInteraction(double eventPos[2]) override;
165 int ComputeInteractionState(int X, int Y, int modify = 0) override;
166 void BuildRepresentation() override;
168
170
173 void ShallowCopy(vtkProp* prop) override;
176 int RenderOverlay(vtkViewport* viewport) override;
178
179protected:
182
183 // Methods to manipulate the cursor
184 void Translate(double eventPos[2]);
185 void Scale(double eventPos[2]);
186 void Rotate(double eventPos[2]);
187 void Shear(double eventPos[2]);
188 void Highlight(int highlight) override;
189 void UpdateText(const char* text, double eventPos[2]);
190
191 // The width of the widget in normalized viewport coordinates.
195
196 // Display text
198
199 // Internal variables for bookkeeping (in display coordinates unless noted)
203
204 // The internal transformation matrix
207 double Origin[4]; // the current origin in world coordinates
208 double DisplayOrigin[3]; // the current origin in display coordinates
209 double CurrentTranslation[3]; // translation this movement
210 double StartWorldPosition[4]; // Start event position converted to world
211 double StartAngle; // The starting angle (always positive)
213 double CurrentScale[2];
214 double CurrentShear[2];
215 void ApplyShear(); // helper method to apply shear to matrix
216
217 // Properties used to control the appearance of selected objects and
218 // the manipulator in general.
223 double Opacity;
225
226 // Support picking
227 double LastEventPosition[2];
228
229 // These are the classes that form the geometric representation -----------
230 // The label
233
234 // The outer box
240
246
247 // The circle
253
259
260 // The translation axes
265
266private:
268 void operator=(const vtkAffineRepresentation2D&) = delete;
269};
270
271#endif
a actor that draws 2D data
Definition: vtkActor2D.h:149
represent 2D affine transformations
void EndWidgetInteraction(double eventPos[2]) override
Subclasses of vtkAffineRepresentation2D must implement these methods.
void GetTransform(vtkTransform *t) override
Retrieve a linear transform characterizing the affine transformation generated by this widget.
void PlaceWidget(double bounds[6]) override
Subclasses of vtkAffineRepresentation2D must implement these methods.
void ReleaseGraphicsResources(vtkWindow *) override
Methods to make this class behave as a vtkProp.
void WidgetInteraction(double eventPos[2]) override
Subclasses of vtkAffineRepresentation2D must implement these methods.
void Shear(double eventPos[2])
int RenderOverlay(vtkViewport *viewport) override
Methods to make this class behave as a vtkProp.
void UpdateText(const char *text, double eventPos[2])
void Highlight(int highlight) override
void ShallowCopy(vtkProp *prop) override
Methods to make this class behave as a vtkProp.
void BuildRepresentation() override
Subclasses of vtkAffineRepresentation2D must implement these methods.
void StartWidgetInteraction(double eventPos[2]) override
Subclasses of vtkAffineRepresentation2D must implement these methods.
static vtkAffineRepresentation2D * New()
Instantiate this class.
void GetActors2D(vtkPropCollection *) override
Methods to make this class behave as a vtkProp.
void Translate(double eventPos[2])
void SetOrigin(const double o[3])
Specify the origin of the widget (in world coordinates).
int ComputeInteractionState(int X, int Y, int modify=0) override
Subclasses of vtkAffineRepresentation2D must implement these methods.
void SetSelectedProperty(vtkProperty2D *)
Set/Get the properties when unselected and selected.
void SetOrigin(double ox, double oy, double oz)
Specify the origin of the widget (in world coordinates).
void Scale(double eventPos[2])
void Rotate(double eventPos[2])
void SetTextProperty(vtkTextProperty *)
Set/Get the properties when unselected and selected.
void PrintSelf(ostream &os, vtkIndent indent) override
Standard methods for instances of this class.
void SetProperty(vtkProperty2D *)
Set/Get the properties when unselected and selected.
~vtkAffineRepresentation2D() override
abstract class for representing affine transformation widgets
object to represent cell connectivity
Definition: vtkCellArray.h:290
a simple class to control print indentation
Definition: vtkIndent.h:113
create a leader with optional label and arrows
represent and manipulate 3D points
Definition: vtkPoints.h:143
draw vtkPolyData onto the image plane
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:195
an ordered list of Props
abstract superclass for all actors, volumes and annotations
Definition: vtkProp.h:76
represent surface properties of a 2D image
2D text annotation
represent text properties.
describes linear transformations via a 4x4 matrix
Definition: vtkTransform.h:164
abstract specification for Viewports
Definition: vtkViewport.h:47
window superclass for vtkRenderWindow
Definition: vtkWindow.h:39
int vtkTypeBool
Definition: vtkABI.h:69
#define VTK_INT_MAX
Definition: vtkType.h:155