VTK  9.1.20211115
vtkEqualizerContextItem.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkEqualizerContextItem.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 #ifndef vtkEqualizerContextItem_h
16 #define vtkEqualizerContextItem_h
17 
18 #include "vtkContextItem.h"
19 #include "vtkInteractionWidgetsModule.h" // For export macro
20 #include "vtkNew.h" // For vtkNew
21 
22 #include <string> // for std::string
23 
24 class vtkBrush;
25 class vtkPen;
27 
44 class VTKINTERACTIONWIDGETS_EXPORT vtkEqualizerContextItem : public vtkContextItem
45 {
46 public:
48 
50  void PrintSelf(ostream& os, vtkIndent indent) override;
51 
64 
68  bool Paint(vtkContext2D* painter) override;
69 
73  bool Hit(const vtkContextMouseEvent& mouse) override;
74 
80  bool MouseEnterEvent(const vtkContextMouseEvent& mouse) override;
81 
87  bool MouseMoveEvent(const vtkContextMouseEvent& mouse) override;
88 
94  bool MouseLeaveEvent(const vtkContextMouseEvent& mouse) override;
95 
101  bool MouseButtonPressEvent(const vtkContextMouseEvent& mouse) override;
102 
108  bool MouseButtonReleaseEvent(const vtkContextMouseEvent& mouse) override;
109 
114  void SetScene(vtkContextScene* scene) override;
115 
117 
127 
128 protected:
130  {
131  NO_BUTTON = 0,
132  LEFT_BUTTON_PRESSED = 1,
133  RIGHT_BUTTON_PRESSED = 2
134  };
135 
138 
139  MouseStates MouseState = NO_BUTTON;
142 
143 private:
145  void operator=(const vtkEqualizerContextItem&) = delete;
146 
147  class vtkInternal;
148  vtkInternal* Internal;
149 };
150 
151 #endif
provides a brush that fills shapes drawn by vtkContext2D.
Definition: vtkBrush.h:97
Class for drawing 2D primitives to a graphical context.
Definition: vtkContext2D.h:73
base class for items that are part of a vtkContextScene.
data structure to represent mouse events.
Provides a 2D scene for vtkContextItem objects.
all children of this item are transformed by the vtkTransform2D of this item.
draws a interactive polyline
bool Paint(vtkContext2D *painter) override
Paint event for the item, called whenever the item needs to be drawn.
std::string GetPoints() const
~vtkEqualizerContextItem() override
void InstantiateHandleRepresentation()
A stub method that is called from ParaView.
static vtkEqualizerContextItem * New()
void SetScene(vtkContextScene *scene) override
Set the vtkContextScene for the item, always set for an item in a scene.
bool MouseEnterEvent(const vtkContextMouseEvent &mouse) override
Mouse enter event.
void SetPoints(const std::string &points)
Set / Get anchor points in the following format "P1x,P1y;P2x,P2y; ... PNx,PNy;" where X denotes the f...
bool MouseMoveEvent(const vtkContextMouseEvent &mouse) override
Mouse move event.
bool MouseLeaveEvent(const vtkContextMouseEvent &mouse) override
Mouse leave event.
bool Hit(const vtkContextMouseEvent &mouse) override
Return true if the supplied x, y coordinate is inside the item.
bool MouseButtonReleaseEvent(const vtkContextMouseEvent &mouse) override
Mouse button release event.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse) override
Mouse button down event Return true if the item holds the event, false if the event can be propagated...
a simple class to control print indentation
Definition: vtkIndent.h:113
provides a pen that draws the outlines of shapes drawn by vtkContext2D.
Definition: vtkPen.h:136
@ points
Definition: vtkX3D.h:452
@ string
Definition: vtkX3D.h:496