VTK  9.1.0
vtkContourWidget.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkContourWidget.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 =========================================================================*/
129 #ifndef vtkContourWidget_h
130 #define vtkContourWidget_h
131 
132 #include "vtkAbstractWidget.h"
133 #include "vtkInteractionWidgetsModule.h" // For export macro
134 
136 class vtkPolyData;
137 class vtkIdList;
138 
139 class VTKINTERACTIONWIDGETS_EXPORT vtkContourWidget : public vtkAbstractWidget
140 {
141 public:
146 
148 
152  void PrintSelf(ostream& os, vtkIndent indent) override;
154 
160  void SetEnabled(int) override;
161 
168  {
169  this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));
170  }
171 
176  {
177  return reinterpret_cast<vtkContourRepresentation*>(this->WidgetRep);
178  }
179 
184 
188  void CloseLoop();
189 
191 
194  vtkSetMacro(WidgetState, int);
196 
198 
201  vtkGetMacro(WidgetState, int);
203 
205 
210  vtkGetMacro(AllowNodePicking, vtkTypeBool);
211  vtkBooleanMacro(AllowNodePicking, vtkTypeBool);
213 
215 
222  vtkSetMacro(FollowCursor, vtkTypeBool);
223  vtkGetMacro(FollowCursor, vtkTypeBool);
224  vtkBooleanMacro(FollowCursor, vtkTypeBool);
226 
228 
238  vtkSetMacro(ContinuousDraw, vtkTypeBool);
239  vtkGetMacro(ContinuousDraw, vtkTypeBool);
240  vtkBooleanMacro(ContinuousDraw, vtkTypeBool);
242 
251  virtual void Initialize(vtkPolyData* poly, int state = 1, vtkIdList* idList = nullptr);
252  virtual void Initialize() { this->Initialize(nullptr); }
253 
254  // The state of the widget
255 
256  enum
257  {
260  Manipulate
261  };
262 
263 protected:
265  ~vtkContourWidget() override;
266 
273 
274  // Callback interface to capture events when
275  // placing the widget.
284 
285  // Internal helper methods
286  void SelectNode();
287  void AddNode();
288 
289 private:
290  vtkContourWidget(const vtkContourWidget&) = delete;
291  void operator=(const vtkContourWidget&) = delete;
292 };
293 
294 #endif
define the API for widget / widget representation
vtkWidgetRepresentation * WidgetRep
represent the vtkContourWidget
create a contour with a set of points
static void TranslateContourAction(vtkAbstractWidget *)
void CreateDefaultRepresentation() override
Create the default widget representation if one is not set.
void CloseLoop()
Convenient method to close the contour loop.
void PrintSelf(ostream &os, vtkIndent indent) override
Standard methods for a VTK class.
vtkTypeBool FollowCursor
static void MoveAction(vtkAbstractWidget *)
static void ResetAction(vtkAbstractWidget *)
void SetRepresentation(vtkContourRepresentation *r)
Specify an instance of vtkWidgetRepresentation used to represent this widget in the scene.
~vtkContourWidget() override
static vtkContourWidget * New()
Instantiate this class.
vtkContourRepresentation * GetContourRepresentation()
Return the representation as a vtkContourRepresentation.
static void SelectAction(vtkAbstractWidget *)
virtual void Initialize(vtkPolyData *poly, int state=1, vtkIdList *idList=nullptr)
Initialize the contour widget from a user supplied set of points.
static void AddFinalPointAction(vtkAbstractWidget *)
static void DeleteAction(vtkAbstractWidget *)
vtkTypeBool AllowNodePicking
vtkTypeBool ContinuousDraw
static void EndSelectAction(vtkAbstractWidget *)
static void ScaleContourAction(vtkAbstractWidget *)
virtual void Initialize()
void SetAllowNodePicking(vtkTypeBool)
Set / Get the AllowNodePicking value.
void SetEnabled(int) override
The method for activating and deactivating this widget.
list of point or cell ids
Definition: vtkIdList.h:31
a simple class to control print indentation
Definition: vtkIndent.h:34
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:86
abstract class defines interface between the widget and widget representation classes
int vtkTypeBool
Definition: vtkABI.h:69