/usr/include/paraview/vtkFinitePlaneWidget.h is in paraview-dev 5.1.2+dfsg1-2.
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Program: Visualization Toolkit
Module: vtkFinitePlaneWidget.h
Copyright (c)
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkFinitePlaneWidget - 3D widget for manipulating a finite plane
// .SECTION Description
// This 3D widget interacts with a vtkFinitePlaneRepresentation class (i.e., it
// handles the events that drive its corresponding representation). This 3D
// widget defines a finite plane that can be interactively placed in a scene.
// The widget is assumed to consist of four parts: 1) a plane with 2) a normal
// and 3) three handles that can be moused on and manipulated.
// The green and red handles represent the semi finite plane definition,
// the third is in the center of the plane.
// Operation like rotation of the plane (using normal), origin translation and
// geometry plane modification using green and red handles are availables.
//
// To use this widget, you generally pair it with a vtkFinitePlaneRepresentation
// (or a subclass). Various options are available in the representation for
// controlling how the widget appears, and how the widget reacts.
//
// .SECTION Event Bindings
// By default, the widget responds to the following VTK events (i.e., it
// watches the vtkRenderWindowInteractor for these events):
// <pre>
// If one of the 3 handles are selected:
// LeftButtonPressEvent - select the appropriate handle
// LeftButtonReleaseEvent - release the currently selected handle
// MouseMoveEvent - move the handle
// In all the cases, independent of what is picked, the widget responds to the
// following VTK events:
// LeftButtonPressEvent - start select action
// LeftButtonReleaseEvent - stop select action
// </pre>
//
// Note that the event bindings described above can be changed using this
// class's vtkWidgetEventTranslator. This class translates VTK events
// into the vtkFinitePlaneWidget's widget events:
// <pre>
// vtkWidgetEvent::Select -- some part of the widget has been selected
// vtkWidgetEvent::EndSelect -- the selection process has completed
// vtkWidgetEvent::Move -- a request for motion has been invoked
// </pre>
//
// In turn, when these widget events are processed, the vtkFinitePlaneWidget
// invokes the following VTK events on itself (which observers can listen for):
// <pre>
// vtkCommand::StartInteractionEvent (on vtkWidgetEvent::Select)
// vtkCommand::EndInteractionEvent (on vtkWidgetEvent::EndSelect)
// vtkCommand::InteractionEvent (on vtkWidgetEvent::Move)
// </pre>
// .SECTION See Also
// vtkFinitePlaneRepresentation
#ifndef vtkFinitePlaneWidget_h
#define vtkFinitePlaneWidget_h
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkAbstractWidget.h"
class vtkFinitePlaneRepresentation;
class vtkHandleWidget;
class VTKINTERACTIONWIDGETS_EXPORT vtkFinitePlaneWidget : public vtkAbstractWidget
{
public:
// Description:
// Instantiate the object.
static vtkFinitePlaneWidget *New();
// Description:
// Standard vtkObject methods
vtkTypeMacro(vtkFinitePlaneWidget,vtkAbstractWidget);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Specify an instance of vtkWidgetRepresentation used to represent this
// widget in the scene. Note that the representation is a subclass of vtkProp
// so it can be added to the renderer independent of the widget.
void SetRepresentation(vtkFinitePlaneRepresentation *r);
// Description:
// Create the default widget representation if one is not set. By default,
// this is an instance of the vtkFinitePlaneRepresentation class.
void CreateDefaultRepresentation();
protected:
vtkFinitePlaneWidget();
~vtkFinitePlaneWidget();
int WidgetState;
enum _WidgetState {Start = 0, Active};
// These methods handle events
static void SelectAction(vtkAbstractWidget*);
static void EndSelectAction(vtkAbstractWidget*);
static void MoveAction(vtkAbstractWidget*);
// Description:
// Update the cursor shape based on the interaction state. Returns 1
// if the cursor shape requested is different from the existing one.
int UpdateCursorShape( int interactionState );
private:
vtkFinitePlaneWidget(const vtkFinitePlaneWidget&); //Not implemented
void operator=(const vtkFinitePlaneWidget&); //Not implemented
};
#endif
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