VTK  9.1.0
vtkChartPie.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkChartPie.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
15 
43 #ifndef vtkChartPie_h
44 #define vtkChartPie_h
45 
46 #include "vtkChart.h"
47 #include "vtkChartsCoreModule.h" // For export macro
48 
49 class vtkChartLegend;
50 class vtkTooltipItem;
51 class vtkChartPiePrivate;
52 
53 class VTKCHARTSCORE_EXPORT vtkChartPie : public vtkChart
54 {
55 public:
56  vtkTypeMacro(vtkChartPie, vtkChart);
57  void PrintSelf(ostream& os, vtkIndent indent) override;
58 
62  static vtkChartPie* New();
63 
69  void Update() override;
70 
74  bool Paint(vtkContext2D* painter) override;
75 
79  vtkPlot* AddPlot(int type) override;
80 
84  vtkIdType AddPlot(vtkPlot* plot) override { return Superclass::AddPlot(plot); }
85 
90 
95 
99  void SetShowLegend(bool visible) override;
100 
106 
110  void SetScene(vtkContextScene* scene) override;
111 
115  bool Hit(const vtkContextMouseEvent& mouse) override;
116 
120  bool MouseEnterEvent(const vtkContextMouseEvent& mouse) override;
121 
125  bool MouseMoveEvent(const vtkContextMouseEvent& mouse) override;
126 
130  bool MouseLeaveEvent(const vtkContextMouseEvent& mouse) override;
131 
135  bool MouseButtonPressEvent(const vtkContextMouseEvent& mouse) override;
136 
140  bool MouseButtonReleaseEvent(const vtkContextMouseEvent& mouse) override;
141 
145  bool MouseWheelEvent(const vtkContextMouseEvent& mouse, int delta) override;
146 
147 protected:
149  ~vtkChartPie() override;
150 
155 
160 
165 
170 
171 private:
172  vtkChartPie(const vtkChartPie&) = delete;
173  void operator=(const vtkChartPie&) = delete;
174 
178  bool LocatePointInPlots(const vtkContextMouseEvent& mouse);
179 
183  vtkChartPiePrivate* Private;
184 };
185 
186 #endif // vtkChartPie_h
vtkChartPie::MouseLeaveEvent
bool MouseLeaveEvent(const vtkContextMouseEvent &mouse) override
Mouse leave event.
vtkChart
Factory class for drawing 2D charts.
Definition: vtkChart.h:45
vtkChartPie
Factory class for drawing pie charts.
Definition: vtkChartPie.h:54
vtkChartPie::RecalculatePlotTransforms
void RecalculatePlotTransforms()
Recalculate the necessary transforms.
vtkContextMouseEvent
data structure to represent mouse events.
Definition: vtkContextMouseEvent.h:54
vtkChartPie::Legend
vtkChartLegend * Legend
The legend for the chart.
Definition: vtkChartPie.h:159
vtkX3D::type
@ type
Definition: vtkX3D.h:522
vtkIdType
int vtkIdType
Definition: vtkType.h:332
vtkChartPie::MouseEnterEvent
bool MouseEnterEvent(const vtkContextMouseEvent &mouse) override
Mouse enter event.
vtkChartPie::PlotTransformValid
bool PlotTransformValid
Does the plot area transform need to be recalculated?
Definition: vtkChartPie.h:169
vtkChartLegend
draw the chart legend
Definition: vtkChartLegend.h:69
vtkChart.h
vtkChartPie::~vtkChartPie
~vtkChartPie() override
vtkChartPie::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkTooltipItem
takes care of drawing 2D axes
Definition: vtkTooltipItem.h:40
vtkChartPie::AddPlot
vtkPlot * AddPlot(int type) override
Add a plot to the chart.
vtkContext2D
Class for drawing 2D primitives to a graphical context.
Definition: vtkContext2D.h:73
vtkChartPie::MouseButtonPressEvent
bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse) override
Mouse button down event.
vtkPlot
Abstract class for 2D plots.
Definition: vtkPlot.h:157
vtkChartPie::SetShowLegend
void SetShowLegend(bool visible) override
Set whether the chart should draw a legend.
vtkContextScene
Provides a 2D scene for vtkContextItem objects.
Definition: vtkContextScene.h:157
vtkChartPie::GetLegend
vtkChartLegend * GetLegend() override
Get the legend for the chart, if available.
vtkChartPie::SetScene
void SetScene(vtkContextScene *scene) override
Set the vtkContextScene for the item, always set for an item in a scene.
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:113
vtkChartPie::MouseMoveEvent
bool MouseMoveEvent(const vtkContextMouseEvent &mouse) override
Mouse move event.
vtkChartPie::GetNumberOfPlots
vtkIdType GetNumberOfPlots() override
Get the number of plots the chart contains.
vtkChartPie::vtkChartPie
vtkChartPie()
vtkChartPie::MouseWheelEvent
bool MouseWheelEvent(const vtkContextMouseEvent &mouse, int delta) override
Mouse wheel event, positive delta indicates forward movement of the wheel.
vtkChartPie::MouseButtonReleaseEvent
bool MouseButtonReleaseEvent(const vtkContextMouseEvent &mouse) override
Mouse button release event.
vtkChartPie::Tooltip
vtkTooltipItem * Tooltip
The tooltip item for the chart - can be used to display extra information.
Definition: vtkChartPie.h:164
vtkChartPie::AddPlot
vtkIdType AddPlot(vtkPlot *plot) override
Add a plot to the chart.
Definition: vtkChartPie.h:84
vtkChartPie::GetPlot
vtkPlot * GetPlot(vtkIdType index) override
Get the plot at the specified index, returns null if the index is invalid.
vtkChartPie::Update
void Update() override
Perform any updates to the item that may be necessary before rendering.
vtkChartPie::Paint
bool Paint(vtkContext2D *painter) override
Paint event for the chart, called whenever the chart needs to be drawn.
vtkX3D::index
@ index
Definition: vtkX3D.h:252
vtkChartPie::New
static vtkChartPie * New()
Creates a 2D Chart object.
vtkChartPie::Hit
bool Hit(const vtkContextMouseEvent &mouse) override
Return true if the supplied x, y coordinate is inside the item.