VTK
vtkBlockItem.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkBlockItem.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 
28 #ifndef vtkBlockItem_h
29 #define vtkBlockItem_h
30 
31 #include "vtkRenderingContext2DModule.h" // For export macro
32 #include "vtkContextItem.h"
33 #include "vtkStdString.h" // For vtkStdString ivars
34 
35 class vtkContext2D;
36 
37 class VTKRENDERINGCONTEXT2D_EXPORT vtkBlockItem : public vtkContextItem
38 {
39 public:
40  vtkTypeMacro(vtkBlockItem, vtkContextItem);
41  void PrintSelf(ostream &os, vtkIndent indent) override;
42 
43  static vtkBlockItem *New();
44 
48  bool Paint(vtkContext2D *painter) override;
49 
53  bool Hit(const vtkContextMouseEvent &mouse) override;
54 
58  bool MouseEnterEvent(const vtkContextMouseEvent &mouse) override;
59 
63  bool MouseMoveEvent(const vtkContextMouseEvent &mouse) override;
64 
68  bool MouseLeaveEvent(const vtkContextMouseEvent &mouse) override;
69 
73  bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse) override;
74 
78  bool MouseButtonReleaseEvent(const vtkContextMouseEvent &mouse) override;
79 
83  virtual void SetLabel(const vtkStdString &label);
84 
88  virtual vtkStdString GetLabel();
89 
91 
97  vtkSetVector4Macro(Dimensions, float);
99 
101 
107  vtkGetVector4Macro(Dimensions, float);
109 
110  void SetScalarFunctor(double (*scalarFunction)(double, double));
111 
112 protected:
113  vtkBlockItem();
114  ~vtkBlockItem() override;
115 
116  float Dimensions[4];
117 
119 
120  bool MouseOver;
121 
122  // Some function pointers to optionally do funky things...
123  double (*scalarFunction)(double, double);
124 
125 private:
126  vtkBlockItem(const vtkBlockItem &) = delete;
127  void operator=(const vtkBlockItem &) = delete;
128 
129 };
130 
131 #endif //vtkBlockItem_h
vtkStdString.h
vtkContextMouseEvent
data structure to represent mouse events.
Definition: vtkContextMouseEvent.h:40
double
double
Definition: vtkVectorOperators.h:166
vtkObject::New
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
vtkContext2D
Class for drawing 2D primitives to a graphical context.
Definition: vtkContext2D.h:58
vtkContextItem.h
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:39
vtkAbstractContextItem::Hit
virtual bool Hit(const vtkContextMouseEvent &mouse)
Return true if the supplied x, y coordinate is inside the item.
vtkContextItem::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkBlockItem::MouseOver
bool MouseOver
Definition: vtkBlockItem.h:120
vtkAbstractContextItem::MouseMoveEvent
virtual bool MouseMoveEvent(const vtkContextMouseEvent &mouse)
Mouse move event.
vtkAbstractContextItem::MouseButtonReleaseEvent
virtual bool MouseButtonReleaseEvent(const vtkContextMouseEvent &mouse)
Mouse button release event.
vtkContextItem
base class for items that are part of a vtkContextScene.
Definition: vtkContextItem.h:34
vtkAbstractContextItem::Paint
virtual bool Paint(vtkContext2D *painter)
Paint event for the item, called whenever the item needs to be drawn.
vtkBlockItem::Label
vtkStdString Label
Definition: vtkBlockItem.h:118
vtkAbstractContextItem::MouseEnterEvent
virtual bool MouseEnterEvent(const vtkContextMouseEvent &mouse)
Mouse enter event.
vtkAbstractContextItem::MouseLeaveEvent
virtual bool MouseLeaveEvent(const vtkContextMouseEvent &mouse)
Mouse leave event.
vtkAbstractContextItem::MouseButtonPressEvent
virtual bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse)
Mouse button down event Return true if the item holds the event, false if the event can be propagated...
vtkStdString
Wrapper around std::string to keep symbols short.
Definition: vtkStdString.h:40
vtkBlockItem
a vtkContextItem that draws a block (optional label).
Definition: vtkBlockItem.h:37