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/*=========================================================================
Program: Visualization Toolkit
Module: vtkTooltipItem.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.
=========================================================================*/
/**
* @class vtkTooltipItem
* @brief takes care of drawing 2D axes
*
*
* The vtkTooltipItem is drawn in screen coordinates. It is used to display a
* tooltip on a scene, giving additional information about an element on the
* scene, such as in vtkChartXY. It takes care of ensuring that it draws itself
* within the bounds of the screen.
*/
#ifndef vtkTooltipItem_h
#define vtkTooltipItem_h
#include "vtkRenderingContext2DModule.h" // For export macro
#include "vtkContextItem.h"
#include "vtkVector.h" // Needed for vtkVector2f
#include "vtkStdString.h" // For vtkStdString ivars
class vtkPen;
class vtkBrush;
class vtkTextProperty;
class VTKRENDERINGCONTEXT2D_EXPORT vtkTooltipItem : public vtkContextItem
{
public:
vtkTypeMacro(vtkTooltipItem, vtkContextItem);
virtual void PrintSelf(ostream &os, vtkIndent indent);
/**
* Creates a 2D Chart object.
*/
static vtkTooltipItem *New();
//@{
/**
* Set the position of the tooltip (in pixels).
*/
vtkSetVector2Macro(Position, float);
void SetPosition(const vtkVector2f &pos);
//@}
//@{
/**
* Get position of the axis (in pixels).
*/
vtkGetVector2Macro(Position, float);
vtkVector2f GetPositionVector();
//@}
//@{
/**
* Get/set the text of the item.
*/
virtual void SetText(const vtkStdString &title);
virtual vtkStdString GetText();
//@}
//@{
/**
* Get a pointer to the vtkTextProperty object that controls the way the
* text is rendered.
*/
vtkGetObjectMacro(Pen, vtkPen);
//@}
//@{
/**
* Get a pointer to the vtkPen object.
*/
vtkGetObjectMacro(Brush, vtkBrush);
//@}
//@{
/**
* Get the vtkTextProperty that governs how the tooltip text is displayed.
*/
vtkGetObjectMacro(TextProperties, vtkTextProperty);
//@}
/**
* Update the geometry of the tooltip.
*/
virtual void Update();
/**
* Paint event for the tooltip.
*/
virtual bool Paint(vtkContext2D *painter);
protected:
vtkTooltipItem();
~vtkTooltipItem();
vtkVector2f PositionVector;
float* Position;
vtkStdString Text;
vtkTextProperty* TextProperties;
vtkPen* Pen;
vtkBrush* Brush;
private:
vtkTooltipItem(const vtkTooltipItem &) VTK_DELETE_FUNCTION;
void operator=(const vtkTooltipItem &) VTK_DELETE_FUNCTION;
};
#endif //vtkTooltipItem_h
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