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