VTK  9.3.0
vtkChartPie.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
3 
24 #ifndef vtkChartPie_h
25 #define vtkChartPie_h
26 
27 #include "vtkChart.h"
28 #include "vtkChartsCoreModule.h" // For export macro
29 
30 VTK_ABI_NAMESPACE_BEGIN
31 class vtkChartLegend;
32 class vtkTooltipItem;
33 class vtkChartPiePrivate;
34 class vtkPlotPie;
35 
36 class VTKCHARTSCORE_EXPORT vtkChartPie : public vtkChart
37 {
38 public:
39  vtkTypeMacro(vtkChartPie, vtkChart);
40  void PrintSelf(ostream& os, vtkIndent indent) override;
41 
45  static vtkChartPie* New();
46 
52  void Update() override;
53 
57  bool Paint(vtkContext2D* painter) override;
58 
62  vtkPlot* AddPlot(int type) override;
63 
68  virtual void SetPlot(vtkPlotPie* plot);
69 
74 
79 
83  void SetShowLegend(bool visible) override;
84 
90 
94  void SetScene(vtkContextScene* scene) override;
95 
99  bool Hit(const vtkContextMouseEvent& mouse) override;
100 
104  bool MouseEnterEvent(const vtkContextMouseEvent& mouse) override;
105 
109  bool MouseMoveEvent(const vtkContextMouseEvent& mouse) override;
110 
114  bool MouseLeaveEvent(const vtkContextMouseEvent& mouse) override;
115 
119  bool MouseButtonPressEvent(const vtkContextMouseEvent& mouse) override;
120 
124  bool MouseButtonReleaseEvent(const vtkContextMouseEvent& mouse) override;
125 
129  bool MouseWheelEvent(const vtkContextMouseEvent& mouse, int delta) override;
130 
131 protected:
133  ~vtkChartPie() override;
134 
139 
144 
149 
154 
155 private:
156  vtkChartPie(const vtkChartPie&) = delete;
157  void operator=(const vtkChartPie&) = delete;
158 
162  bool LocatePointInPlots(const vtkContextMouseEvent& mouse);
163 
167  vtkChartPiePrivate* Private;
168 };
169 
170 VTK_ABI_NAMESPACE_END
171 #endif // vtkChartPie_h
draw the chart legend
Factory class for drawing pie charts.
Definition: vtkChartPie.h:37
bool PlotTransformValid
Does the plot area transform need to be recalculated?
Definition: vtkChartPie.h:153
vtkPlot * GetPlot(vtkIdType index) override
Get the plot at the specified index, returns null if the index is invalid.
bool MouseLeaveEvent(const vtkContextMouseEvent &mouse) override
Mouse leave event.
vtkPlot * AddPlot(int type) override
Add a plot to the chart.
bool Paint(vtkContext2D *painter) override
Paint event for the chart, called whenever the chart needs to be drawn.
void Update() override
Perform any updates to the item that may be necessary before rendering.
void SetShowLegend(bool visible) override
Set whether the chart should draw a legend.
void RecalculatePlotTransforms()
Recalculate the necessary transforms.
vtkChartLegend * GetLegend() override
Get the legend for the chart, if available.
bool MouseMoveEvent(const vtkContextMouseEvent &mouse) override
Mouse move event.
static vtkChartPie * New()
Creates a 2D Chart object.
bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse) override
Mouse button down event.
bool MouseButtonReleaseEvent(const vtkContextMouseEvent &mouse) override
Mouse button release event.
bool Hit(const vtkContextMouseEvent &mouse) override
Return true if the supplied x, y coordinate is inside the item.
vtkIdType GetNumberOfPlots() override
Get the number of plots the chart contains.
~vtkChartPie() override
vtkChartLegend * Legend
The legend for the chart.
Definition: vtkChartPie.h:143
bool MouseEnterEvent(const vtkContextMouseEvent &mouse) override
Mouse enter event.
virtual void SetPlot(vtkPlotPie *plot)
Set plot to use for the chart.
void SetScene(vtkContextScene *scene) override
Set the vtkContextScene for the item, always set for an item in a scene.
vtkTooltipItem * Tooltip
The tooltip item for the chart - can be used to display extra information.
Definition: vtkChartPie.h:148
bool MouseWheelEvent(const vtkContextMouseEvent &mouse, int delta) override
Mouse wheel event, positive delta indicates forward movement of the wheel.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
Factory class for drawing 2D charts.
Definition: vtkChart.h:50
Class for drawing 2D primitives to a graphical context.
Definition: vtkContext2D.h:59
data structure to represent mouse events.
Provides a 2D scene for vtkContextItem objects.
a simple class to control print indentation
Definition: vtkIndent.h:38
Class for drawing a Pie diagram.
Definition: vtkPlotPie.h:38
Abstract class for 2D plots.
Definition: vtkPlot.h:53
takes care of drawing 2D axes
@ type
Definition: vtkX3D.h:516
@ index
Definition: vtkX3D.h:246
int vtkIdType
Definition: vtkType.h:315