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134 lines
4.2 KiB
C++
134 lines
4.2 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkCompassWidget.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/*-------------------------------------------------------------------------
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Copyright 2008 Sandia Corporation.
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Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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the U.S. Government retains certain rights in this software.
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-------------------------------------------------------------------------*/
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// .NAME vtkCompassWidget - set a value by manipulating something
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// .SECTION Description
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// The vtkCompassWidget is used to adjust a scalar value in an
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// application. Note that the actual appearance of the widget depends on
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// the specific representation for the widget.
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//
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// To use this widget, set the widget representation. (the details may
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// vary depending on the particulars of the representation).
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//
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//
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// .SECTION Event Bindings
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// By default, the widget responds to the following VTK events (i.e., it
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// watches the vtkRenderWindowInteractor for these events):
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// <pre>
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// If the slider bead is selected:
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// LeftButtonPressEvent - select slider
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// LeftButtonReleaseEvent - release slider
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// MouseMoveEvent - move slider
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// </pre>
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//
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// Note that the event bindings described above can be changed using this
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// class's vtkWidgetEventTranslator. This class translates VTK events
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// into the vtkCompassWidget's widget events:
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// <pre>
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// vtkWidgetEvent::Select -- some part of the widget has been selected
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// vtkWidgetEvent::EndSelect -- the selection process has completed
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// vtkWidgetEvent::Move -- a request for slider motion has been invoked
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// </pre>
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//
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// In turn, when these widget events are processed, the vtkCompassWidget
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// invokes the following VTK events on itself (which observers can listen for):
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// <pre>
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// vtkCommand::StartInteractionEvent (on vtkWidgetEvent::Select)
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// vtkCommand::EndInteractionEvent (on vtkWidgetEvent::EndSelect)
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// vtkCommand::InteractionEvent (on vtkWidgetEvent::Move)
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// </pre>
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//
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#ifndef vtkCompassWidget_h
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#define vtkCompassWidget_h
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#include "vtkGeovisCoreModule.h" // For export macro
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#include "vtkAbstractWidget.h"
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class vtkCompassRepresentation;
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class VTKGEOVISCORE_EXPORT vtkCompassWidget : public vtkAbstractWidget
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{
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public:
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// Description:
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// Instantiate the class.
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static vtkCompassWidget *New();
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// Description:
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// Standard macros.
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vtkTypeMacro(vtkCompassWidget,vtkAbstractWidget);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Specify an instance of vtkWidgetRepresentation used to represent this
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// widget in the scene. Note that the representation is a subclass of vtkProp
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// so it can be added to the renderer independent of the widget.
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void SetRepresentation(vtkCompassRepresentation *r)
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{this->Superclass::SetWidgetRepresentation
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(reinterpret_cast<vtkWidgetRepresentation*>(r));}
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// Description:
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// Create the default widget representation if one is not set.
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void CreateDefaultRepresentation();
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// Description:
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// Get the value for this widget.
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double GetHeading();
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void SetHeading(double v);
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double GetTilt();
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void SetTilt(double t);
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double GetDistance();
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void SetDistance(double t);
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protected:
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vtkCompassWidget();
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~vtkCompassWidget() {}
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// These are the events that are handled
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static void SelectAction(vtkAbstractWidget*);
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static void EndSelectAction(vtkAbstractWidget*);
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static void MoveAction(vtkAbstractWidget*);
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static void TimerAction(vtkAbstractWidget*);
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//BTX - manage the state of the widget
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int WidgetState;
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enum _WidgetState
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{
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Start=0,
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Highlighting,
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Adjusting,
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TiltAdjusting,
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DistanceAdjusting
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};
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//ETX
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int TimerId;
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int TimerDuration;
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double StartTime;
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private:
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vtkCompassWidget(const vtkCompassWidget&); //Not implemented
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void operator=(const vtkCompassWidget&); //Not implemented
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};
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#endif
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