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/*=========================================================================
Program: Visualization Toolkit
Module: vtkTextWidget.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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 vtkTextWidget - widget for placing text on overlay plane
// .SECTION Description
// This class provides support for interactively placing text on the 2D
// overlay plane. The text is defined by an instance of vtkTextActor. It uses
// the event bindings of its superclass (vtkBorderWidget). In addition, when
// the text is selected, the widget emits a WidgetActivateEvent that
// observers can watch for. This is useful for opening GUI dialogues to
// adjust font characteristics, etc. (Please see the superclass for a
// description of event bindings.)
// .SECTION See Also
// vtkBorderWidget vtkCaptionWidget
#ifndef __vtkTextWidget_h
#define __vtkTextWidget_h
class vtkTextRepresentation;
class vtkTextActor;
#include "vtkBorderWidget.h"
class VTK_WIDGETS_EXPORT vtkTextWidget : public vtkBorderWidget
{
public:
// Description:
// Instantiate class.
static vtkTextWidget *New();
// Description:
// Standard VTK methods.
vtkTypeMacro(vtkTextWidget,vtkBorderWidget);
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(vtkTextRepresentation *r)
{this->Superclass::SetWidgetRepresentation(
reinterpret_cast<vtkWidgetRepresentation*>(r));}
// Description:
// Specify a vtkTextActor to manage. This is a convenient, alternative
// method to specify the representation for the widget (i.e., used instead
// of SetRepresentation()). It internally creates a vtkTextRepresentation
// and then invokes vtkTextRepresentation::SetTextActor().
void SetTextActor(vtkTextActor *textActor);
vtkTextActor *GetTextActor();
// Description:
// Create the default widget representation if one is not set.
virtual void CreateDefaultRepresentation();
protected:
vtkTextWidget();
~vtkTextWidget();
private:
vtkTextWidget(const vtkTextWidget&); //Not implemented
void operator=(const vtkTextWidget&); //Not implemented
};
#endif
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