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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
vtkPolyDataMapper
map vtkPolyData to graphics primitives
Definition: vtkPolyDataMapper.h:36
vtkLabeledContourMapper::StencilQuadsSize
vtkIdType StencilQuadsSize
Definition: vtkLabeledContourMapper.h:179
vtkLabeledContourMapper::StencilQuadIndices
unsigned int * StencilQuadIndices
Definition: vtkLabeledContourMapper.h:180
vtkMapper::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkIdType
int vtkIdType
Definition: vtkType.h:347
vtkLabeledContourMapper::TextActors
vtkTextActor3D ** TextActors
Definition: vtkLabeledContourMapper.h:172
vtkAlgorithm::FillInputPortInformation
virtual int FillInputPortInformation(int port, vtkInformation *info)
Fill the input port information objects for this algorithm.
vtkTextActor3D
An actor that displays text.
Definition: vtkTextActor3D.h:44
vtkLabeledContourMapper::LabelBuildTime
vtkTimeStamp LabelBuildTime
Definition: vtkLabeledContourMapper.h:184
vtkTimeStamp
record modification and/or execution time
Definition: vtkTimeStamp.h:32
vtkSmartPointer< vtkTextPropertyCollection >
vtkLabeledContourMapper::NumberOfUsedTextActors
vtkIdType NumberOfUsedTextActors
Definition: vtkLabeledContourMapper.h:171
vtkTextPropertyCollection
an ordered list of vtkTextProperty objects.
Definition: vtkTextPropertyCollection.h:33
vtkLabeledContourMapper::TextProperties
vtkSmartPointer< vtkTextPropertyCollection > TextProperties
Definition: vtkLabeledContourMapper.h:175
vtkLabeledContourMapper::LabelVisibility
bool LabelVisibility
Definition: vtkLabeledContourMapper.h:169
vtkWindow
window superclass for vtkRenderWindow
Definition: vtkWindow.h:34
vtkMapper.h
vtkMapper::Render
virtual void Render(vtkRenderer *ren, vtkActor *a)=0
Method initiates the mapping process.
vtkMapper
abstract class specifies interface to map data to graphics primitives
Definition: vtkMapper.h:80
vtkLabeledContourMapper::StencilQuadIndicesSize
vtkIdType StencilQuadIndicesSize
Definition: vtkLabeledContourMapper.h:181
vtkLabeledContourMapper::NumberOfTextActors
vtkIdType NumberOfTextActors
Definition: vtkLabeledContourMapper.h:170
vtkActor
represents an object (geometry & properties) in a rendered scene
Definition: vtkActor.h:45
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:33
vtkLabeledContourMapper
Draw labeled isolines.
Definition: vtkLabeledContourMapper.h:45
vtkSmartPointer.h
vtkNew< vtkPolyDataMapper >
vtkMapper::GetInput
vtkDataSet * GetInput()
Get the input as a vtkDataSet.
vtkMapper::ReleaseGraphicsResources
void ReleaseGraphicsResources(vtkWindow *) override
Release any graphics resources that are being consumed by this mapper.
Definition: vtkMapper.h:108
vtkTextProperty
represent text properties.
Definition: vtkTextProperty.h:33
vtkInformation
Store vtkAlgorithm input/output information.
Definition: vtkInformation.h:80
vtkMapper::GetBounds
double * GetBounds() override
Return bounding box (array of six doubles) of data expressed as (xmin,xmax, ymin,ymax,...
vtkAlgorithm::New
static vtkAlgorithm * New()
vtkLabeledContourMapper::TextPropertyMapping
vtkSmartPointer< vtkDoubleArray > TextPropertyMapping
Definition: vtkLabeledContourMapper.h:176
vtkNew.h
vtkRenderer
abstract specification for renderers
Definition: vtkRenderer.h:57
vtkPolyData
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:79
vtkDoubleArray
dynamic, self-adjusting array of double
Definition: vtkDoubleArray.h:35
vtkLabeledContourMapper::PolyDataMapper
vtkNew< vtkPolyDataMapper > PolyDataMapper
Definition: vtkLabeledContourMapper.h:174
vtkLabeledContourMapper::SkipDistance
double SkipDistance
Definition: vtkLabeledContourMapper.h:167
vtkLabeledContourMapper::StencilQuads
float * StencilQuads
Definition: vtkLabeledContourMapper.h:178