VTK  9.0.3
vtkLabeledContourPolyDataItem.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkLabeledContourPolyDataItem.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 =========================================================================*/
24 #ifndef vtkLabeledContourPolyDataItem_h
25 #define vtkLabeledContourPolyDataItem_h
26 
27 #include "vtkPolyDataItem.h"
28 #include "vtkRect.h" // For vtkRect/vtkVector/vtkTuple
29 #include "vtkRenderingContext2DModule.h" // For export macro
30 #include "vtkSmartPointer.h" // For vtkSmartPointer
31 
32 class vtkActor;
33 class vtkContext2D;
34 class vtkDoubleArray;
35 class vtkRenderer;
36 class vtkTextActor3D;
37 class vtkTextProperty;
39 struct PDILabelHelper;
40 
41 class VTKRENDERINGCONTEXT2D_EXPORT vtkLabeledContourPolyDataItem : public vtkPolyDataItem
42 {
43 public:
45  void PrintSelf(ostream& os, vtkIndent indent) override;
46 
48 
52  bool Paint(vtkContext2D* painter) override;
53 
61  virtual void SetTextProperty(vtkTextProperty* tprop);
62 
64 
84 
86 
93  virtual void SetTextPropertyMapping(vtkDoubleArray* mapping);
95 
97 
102  vtkSetMacro(LabelVisibility, bool);
103  vtkGetMacro(LabelVisibility, bool);
104  vtkBooleanMacro(LabelVisibility, bool);
106 
108 
112  vtkSetMacro(SkipDistance, double);
113  vtkGetMacro(SkipDistance, double);
115 
116 protected:
119 
120  virtual void ComputeBounds();
121 
122  void Reset();
123 
124  bool CheckInputs();
125  bool CheckRebuild();
127  bool PlaceLabels();
129  virtual bool CreateLabels();
130  bool RenderLabels(vtkContext2D* painter);
131 
134 
135  double SkipDistance;
136 
141 
142  PDILabelHelper** LabelHelpers;
143 
146 
148 
149 private:
151  void operator=(const vtkLabeledContourPolyDataItem&) = delete;
152 
153  struct Private;
154  Private* Internal;
155 };
156 
157 #endif
represents an object (geometry & properties) in a rendered scene
Definition: vtkActor.h:46
Class for drawing 2D primitives to a graphical context.
Definition: vtkContext2D.h:53
dynamic, self-adjusting array of double
a simple class to control print indentation
Definition: vtkIndent.h:34
Filter that translate a vtkPolyData 2D mesh into vtkContextItems.
virtual void SetTextPropertyMapping(vtkDoubleArray *mapping)
virtual void SetTextProperty(vtkTextProperty *tprop)
The text property used to label the lines.
bool AllocateTextActors(vtkIdType num)
vtkSmartPointer< vtkDoubleArray > TextPropertyMapping
vtkSmartPointer< vtkTextPropertyCollection > TextProperties
virtual void SetTextProperties(vtkTextPropertyCollection *coll)
The text properties used to label the lines.
bool RenderLabels(vtkContext2D *painter)
static vtkLabeledContourPolyDataItem * New()
virtual vtkTextPropertyCollection * GetTextProperties()
bool Paint(vtkContext2D *painter) override
Paint event for the item.
virtual vtkDoubleArray * GetTextPropertyMapping()
Values in this array correspond to vtkTextProperty objects in the TextProperties collection.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
~vtkLabeledContourPolyDataItem() override
Filter that translate a vtkPolyData 2D mesh into vtkContextItems.
abstract specification for renderers
Definition: vtkRenderer.h:59
An actor that displays text.
an ordered list of vtkTextProperty objects.
represent text properties.
record modification and/or execution time
Definition: vtkTimeStamp.h:33
int vtkIdType
Definition: vtkType.h:338