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 
15 #ifndef vtkChartPie_h
16 #define vtkChartPie_h
17 
18 #include "vtkChart.h"
19 #include "vtkChartsCoreModule.h" // For export macro
20 
21 VTK_ABI_NAMESPACE_BEGIN
22 class vtkChartLegend;
23 class vtkTooltipItem;
24 class vtkChartPiePrivate;
25 class vtkPlotPie;
26 
27 class VTKCHARTSCORE_EXPORT vtkChartPie : public vtkChart
28 {
29 public:
30  vtkTypeMacro(vtkChartPie, vtkChart);
31  void PrintSelf(ostream& os, vtkIndent indent) override;
32 
36  static vtkChartPie* New();
37 
43  void Update() override;
44 
48  bool Paint(vtkContext2D* painter) override;
49 
53  vtkPlot* AddPlot(int type) override;
54 
59  virtual void SetPlot(vtkPlotPie* plot);
60 
65 
70 
74  void SetShowLegend(bool visible) override;
75 
81 
85  void SetScene(vtkContextScene* scene) override;
86 
90  bool Hit(const vtkContextMouseEvent& mouse) override;
91 
95  bool MouseEnterEvent(const vtkContextMouseEvent& mouse) override;
96 
100  bool MouseMoveEvent(const vtkContextMouseEvent& mouse) override;
101 
105  bool MouseLeaveEvent(const vtkContextMouseEvent& mouse) override;
106 
110  bool MouseButtonPressEvent(const vtkContextMouseEvent& mouse) override;
111 
115  bool MouseButtonReleaseEvent(const vtkContextMouseEvent& mouse) override;
116 
120  bool MouseWheelEvent(const vtkContextMouseEvent& mouse, int delta) override;
121 
122 protected:
124  ~vtkChartPie() override;
125 
130 
135 
140 
145 
146 private:
147  vtkChartPie(const vtkChartPie&) = delete;
148  void operator=(const vtkChartPie&) = delete;
149 
153  bool LocatePointInPlots(const vtkContextMouseEvent& mouse);
154 
158  vtkChartPiePrivate* Private;
159 };
160 
161 VTK_ABI_NAMESPACE_END
162 #endif // vtkChartPie_h
draw the chart legend
Factory class for drawing pie charts.
Definition: vtkChartPie.h:28
bool PlotTransformValid
Does the plot area transform need to be recalculated?
Definition: vtkChartPie.h:144
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:134
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:139
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:41
Class for drawing 2D primitives to a graphical context.
Definition: vtkContext2D.h:50
data structure to represent mouse events.
Provides a 2D scene for vtkContextItem objects.
a simple class to control print indentation
Definition: vtkIndent.h:29
Class for drawing a Pie diagram.
Definition: vtkPlotPie.h:29
Abstract class for 2D plots.
Definition: vtkPlot.h:44
takes care of drawing 2D axes
@ type
Definition: vtkX3D.h:516
@ index
Definition: vtkX3D.h:246
int vtkIdType
Definition: vtkType.h:315