VTK  9.0.1
vtkLabeledContourMapper.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkLabeledContourMapper.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 =========================================================================*/
29 #ifndef vtkLabeledContourMapper_h
30 #define vtkLabeledContourMapper_h
31 
32 #include "vtkRenderingCoreModule.h" // For export macro
33 
34 #include "vtkMapper.h"
35 #include "vtkNew.h" // For vtkNew
36 #include "vtkSmartPointer.h" // For vtkSmartPointer
37 
38 class vtkDoubleArray;
39 class vtkTextActor3D;
40 class vtkTextProperty;
42 class vtkPolyData;
43 class vtkPolyDataMapper;
44 
45 class VTKRENDERINGCORE_EXPORT vtkLabeledContourMapper : public vtkMapper
46 {
47 public:
48  static vtkLabeledContourMapper* New();
50  void PrintSelf(ostream& os, vtkIndent indent) override;
51 
52  void Render(vtkRenderer* ren, vtkActor* act) override;
53 
55 
58  void SetInputData(vtkPolyData* in);
61 
63 
67  double* GetBounds() override;
68  void GetBounds(double bounds[6]) override;
70 
78  virtual void SetTextProperty(vtkTextProperty* tprop);
79 
81 
98  virtual void SetTextProperties(vtkTextPropertyCollection* coll);
99  virtual vtkTextPropertyCollection* GetTextProperties();
101 
103 
109  virtual vtkDoubleArray* GetTextPropertyMapping();
110  virtual void SetTextPropertyMapping(vtkDoubleArray* mapping);
112 
114 
119  vtkSetMacro(LabelVisibility, bool);
120  vtkGetMacro(LabelVisibility, bool);
121  vtkBooleanMacro(LabelVisibility, bool);
123 
125 
129  vtkSetMacro(SkipDistance, double);
130  vtkGetMacro(SkipDistance, double);
132 
134 
137  vtkGetNewMacro(PolyDataMapper, vtkPolyDataMapper);
139 
140  void ReleaseGraphicsResources(vtkWindow*) override;
141 
142 protected:
144  ~vtkLabeledContourMapper() override;
145 
146  virtual void ComputeBounds();
147 
148  int FillInputPortInformation(int, vtkInformation*) override;
149 
150  void Reset();
151 
152  bool CheckInputs(vtkRenderer* ren);
153  bool CheckRebuild(vtkRenderer* ren, vtkActor* act);
154  bool PrepareRender(vtkRenderer* ren, vtkActor* act);
155  bool PlaceLabels();
156  bool ResolveLabels();
157  virtual bool CreateLabels(vtkActor* actor);
158  bool BuildStencilQuads();
159  virtual bool ApplyStencil(vtkRenderer* ren, vtkActor* act);
160  bool RenderPolyData(vtkRenderer* ren, vtkActor* act);
161  virtual bool RemoveStencil(vtkRenderer* ren);
162  bool RenderLabels(vtkRenderer* ren, vtkActor* act);
163 
164  bool AllocateTextActors(vtkIdType num);
165  bool FreeTextActors();
166 
167  double SkipDistance;
168 
173 
177 
178  float* StencilQuads;
180  unsigned int* StencilQuadIndices;
182  void FreeStencilQuads();
183 
185 
186 private:
188  void operator=(const vtkLabeledContourMapper&) = delete;
189 
190  struct Private;
191  Private* Internal;
192 };
193 
194 #endif
vtkNew< vtkPolyDataMapper > PolyDataMapper
represents an object (geometry & properties) in a rendered scene
Definition: vtkActor.h:45
Store vtkAlgorithm input/output information.
record modification and/or execution time
Definition: vtkTimeStamp.h:32
abstract specification for renderers
Definition: vtkRenderer.h:67
Draw labeled isolines.
int vtkIdType
Definition: vtkType.h:338
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:84
an ordered list of vtkTextProperty objects.
dynamic, self-adjusting array of double
window superclass for vtkRenderWindow
Definition: vtkWindow.h:37
vtkSmartPointer< vtkDoubleArray > TextPropertyMapping
a simple class to control print indentation
Definition: vtkIndent.h:33
vtkSmartPointer< vtkTextPropertyCollection > TextProperties
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
An actor that displays text.
represent text properties.
virtual int FillInputPortInformation(int port, vtkInformation *info)
Fill the input port information objects for this algorithm.
abstract class specifies interface to map data to graphics primitives
Definition: vtkMapper.h:80
map vtkPolyData to graphics primitives
static vtkAlgorithm * New()
double * GetBounds() override
Return bounding box (array of six doubles) of data expressed as (xmin,xmax, ymin,ymax, zmin,zmax).
vtkDataSet * GetInput()
Get the input as a vtkDataSet.
virtual void Render(vtkRenderer *ren, vtkActor *a)=0
Method initiates the mapping process.
void ReleaseGraphicsResources(vtkWindow *) override
Release any graphics resources that are being consumed by this mapper.
Definition: vtkMapper.h:108