VTK  9.2.6
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 =========================================================================*/
32 #ifndef vtkLabeledContourMapper_h
33 #define vtkLabeledContourMapper_h
34 
35 #include "vtkRenderingCoreModule.h" // For export macro
36 
37 #include "vtkMapper.h"
38 #include "vtkNew.h" // For vtkNew
39 #include "vtkSmartPointer.h" // For vtkSmartPointer
40 
41 class vtkDoubleArray;
42 class vtkTextActor3D;
43 class vtkTextProperty;
45 class vtkPolyData;
46 class vtkPolyDataMapper;
47 
48 class VTKRENDERINGCORE_EXPORT vtkLabeledContourMapper : public vtkMapper
49 {
50 public:
51  static vtkLabeledContourMapper* New();
53  void PrintSelf(ostream& os, vtkIndent indent) override;
54 
55  void Render(vtkRenderer* ren, vtkActor* act) override;
56 
58 
61  void SetInputData(vtkPolyData* in);
64 
66 
70  double* GetBounds() override;
71  void GetBounds(double bounds[6]) override;
73 
81  virtual void SetTextProperty(vtkTextProperty* tprop);
82 
84 
101  virtual void SetTextProperties(vtkTextPropertyCollection* coll);
102  virtual vtkTextPropertyCollection* GetTextProperties();
104 
106 
112  virtual vtkDoubleArray* GetTextPropertyMapping();
113  virtual void SetTextPropertyMapping(vtkDoubleArray* mapping);
115 
117 
122  vtkSetMacro(LabelVisibility, bool);
123  vtkGetMacro(LabelVisibility, bool);
124  vtkBooleanMacro(LabelVisibility, bool);
126 
128 
132  vtkSetMacro(SkipDistance, double);
133  vtkGetMacro(SkipDistance, double);
135 
137 
140  vtkGetNewMacro(PolyDataMapper, vtkPolyDataMapper);
142 
143  void ReleaseGraphicsResources(vtkWindow*) override;
144 
145 protected:
147  ~vtkLabeledContourMapper() override;
148 
149  virtual void ComputeBounds();
150 
151  int FillInputPortInformation(int, vtkInformation*) override;
152 
153  void Reset();
154 
155  bool CheckInputs(vtkRenderer* ren);
156  bool CheckRebuild(vtkRenderer* ren, vtkActor* act);
157  bool PrepareRender(vtkRenderer* ren, vtkActor* act);
158  bool PlaceLabels();
159  bool ResolveLabels();
160  virtual bool CreateLabels(vtkActor* actor);
161  bool BuildStencilQuads();
162  virtual bool ApplyStencil(vtkRenderer* ren, vtkActor* act);
163  bool RenderPolyData(vtkRenderer* ren, vtkActor* act);
164  virtual bool RemoveStencil(vtkRenderer* ren);
165  bool RenderLabels(vtkRenderer* ren, vtkActor* act);
166 
167  bool AllocateTextActors(vtkIdType num);
168  bool FreeTextActors();
169 
170  double SkipDistance;
171 
176 
180 
181  float* StencilQuads;
183  unsigned int* StencilQuadIndices;
185  void FreeStencilQuads();
186 
188 
189 private:
191  void operator=(const vtkLabeledContourMapper&) = delete;
192 
193  struct Private;
194  Private* Internal;
195 };
196 
197 #endif
vtkNew< vtkPolyDataMapper > PolyDataMapper
represents an object (geometry & properties) in a rendered scene
Definition: vtkActor.h:51
Store vtkAlgorithm input/output information.
record modification and/or execution time
Definition: vtkTimeStamp.h:35
abstract specification for renderers
Definition: vtkRenderer.h:72
Draw labeled isolines.
int vtkIdType
Definition: vtkType.h:332
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:90
an ordered list of vtkTextProperty objects.
dynamic, self-adjusting array of double
window superclass for vtkRenderWindow
Definition: vtkWindow.h:38
vtkSmartPointer< vtkDoubleArray > TextPropertyMapping
a simple class to control print indentation
Definition: vtkIndent.h:39
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:87
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:115