VTK  9.0.1
vtkDynamic2DLabelMapper.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkDynamic2DLabelMapper.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 /*-------------------------------------------------------------------------
16  Copyright 2008 Sandia Corporation.
17  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
18  the U.S. Government retains certain rights in this software.
19 -------------------------------------------------------------------------*/
53 #ifndef vtkDynamic2DLabelMapper_h
54 #define vtkDynamic2DLabelMapper_h
55 
56 #include "vtkLabeledDataMapper.h"
57 #include "vtkRenderingLabelModule.h" // For export macro
58 
59 class VTKRENDERINGLABEL_EXPORT vtkDynamic2DLabelMapper : public vtkLabeledDataMapper
60 {
61 public:
63 
69  void PrintSelf(ostream& os, vtkIndent indent) override;
71 
76  void SetPriorityArrayName(const char* name);
77 
79 
83  vtkSetMacro(ReversePriority, bool);
84  vtkGetMacro(ReversePriority, bool);
85  vtkBooleanMacro(ReversePriority, bool);
87 
89 
94  vtkSetMacro(LabelHeightPadding, float);
95  vtkGetMacro(LabelHeightPadding, float);
97 
99 
104  vtkSetMacro(LabelWidthPadding, float);
105  vtkGetMacro(LabelWidthPadding, float);
107 
109 
112  void RenderOpaqueGeometry(vtkViewport* viewport, vtkActor2D* actor) override;
113  void RenderOverlay(vtkViewport* viewport, vtkActor2D* actor) override;
115 
116 protected:
119 
123  double GetCurrentScale(vtkViewport* viewport);
124 
125  float* LabelWidth;
126  float* LabelHeight;
127  float* Cutoff;
131 
133 
134 private:
136  void operator=(const vtkDynamic2DLabelMapper&) = delete;
137 };
138 
139 #endif
a actor that draws 2D data
Definition: vtkActor2D.h:40
draw text labels at 2D dataset points
static vtkDynamic2DLabelMapper * New()
Instantiate object with %%-#6.3g label format.
~vtkDynamic2DLabelMapper() override
void RenderOverlay(vtkViewport *viewport, vtkActor2D *actor) override
void SetPriorityArrayName(const char *name)
Set the points array name to use to give priority to labels.
double GetCurrentScale(vtkViewport *viewport)
Calculate the current zoom scale of the viewport.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void RenderOpaqueGeometry(vtkViewport *viewport, vtkActor2D *actor) override
Draw non-overlapping labels to the screen.
a simple class to control print indentation
Definition: vtkIndent.h:34
draw text labels at dataset points
abstract specification for Viewports
Definition: vtkViewport.h:45
@ name
Definition: vtkX3D.h:225