VTK  9.1.20211230
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 -------------------------------------------------------------------------*/
62 #ifndef vtkDynamic2DLabelMapper_h
63 #define vtkDynamic2DLabelMapper_h
64 
65 #include "vtkLabeledDataMapper.h"
66 #include "vtkRenderingLabelModule.h" // For export macro
67 
68 class VTKRENDERINGLABEL_EXPORT vtkDynamic2DLabelMapper : public vtkLabeledDataMapper
69 {
70 public:
72 
78  void PrintSelf(ostream& os, vtkIndent indent) override;
80 
85  void SetPriorityArrayName(const char* name);
86 
88 
92  vtkSetMacro(ReversePriority, bool);
93  vtkGetMacro(ReversePriority, bool);
94  vtkBooleanMacro(ReversePriority, bool);
96 
98 
103  vtkSetMacro(LabelHeightPadding, float);
104  vtkGetMacro(LabelHeightPadding, float);
106 
108 
113  vtkSetMacro(LabelWidthPadding, float);
114  vtkGetMacro(LabelWidthPadding, float);
116 
118 
121  void RenderOpaqueGeometry(vtkViewport* viewport, vtkActor2D* actor) override;
122  void RenderOverlay(vtkViewport* viewport, vtkActor2D* actor) override;
124 
125 protected:
128 
132  double GetCurrentScale(vtkViewport* viewport);
133 
134  float* LabelWidth;
135  float* LabelHeight;
136  float* Cutoff;
140 
142 
143 private:
145  void operator=(const vtkDynamic2DLabelMapper&) = delete;
146 };
147 
148 #endif
a actor that draws 2D data
Definition: vtkActor2D.h:149
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
Draw non-overlapping labels to the screen.
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
Instantiate object with %%-#6.3g label format.
void RenderOpaqueGeometry(vtkViewport *viewport, vtkActor2D *actor) override
Draw non-overlapping labels to the screen.
a simple class to control print indentation
Definition: vtkIndent.h:113
draw text labels at dataset points
abstract specification for Viewports
Definition: vtkViewport.h:47
@ name
Definition: vtkX3D.h:225