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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) VTK_OVERRIDE;
51 
52  void Render(vtkRenderer *ren, vtkActor *act) VTK_OVERRIDE;
53 
55 
58  void SetInputData(vtkPolyData *in);
59  vtkPolyData *GetInput();
61 
63 
67  double *GetBounds() VTK_OVERRIDE;
68  void GetBounds(double bounds[6]) VTK_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 *) VTK_OVERRIDE;
141 
142 protected:
144  ~vtkLabeledContourMapper() VTK_OVERRIDE;
145 
146  virtual void ComputeBounds();
147 
148  int FillInputPortInformation(int, vtkInformation*) VTK_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();
162  bool RenderLabels(vtkRenderer *ren, vtkActor *act);
163 
164  bool AllocateTextActors(vtkIdType num);
165  bool FreeTextActors();
166 
167  double SkipDistance;
168 
169  bool LabelVisibility;
170  vtkIdType NumberOfTextActors;
171  vtkIdType NumberOfUsedTextActors;
172  vtkTextActor3D **TextActors;
173 
174  vtkNew<vtkPolyDataMapper> PolyDataMapper;
176  vtkSmartPointer<vtkDoubleArray> TextPropertyMapping;
177 
178  float *StencilQuads;
179  vtkIdType StencilQuadsSize;
180  unsigned int *StencilQuadIndices;
181  vtkIdType StencilQuadIndicesSize;
182  void FreeStencilQuads();
183 
184  vtkTimeStamp LabelBuildTime;
185 
186 private:
187  vtkLabeledContourMapper(const vtkLabeledContourMapper&) VTK_DELETE_FUNCTION;
188  void operator=(const vtkLabeledContourMapper&) VTK_DELETE_FUNCTION;
189 
190  struct Private;
191  Private *Internal;
192 };
193 
194 #endif
represents an object (geometry &amp; 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:57
Draw labeled isolines.
Hold a reference to a vtkObjectBase instance.
int vtkIdType
Definition: vtkType.h:345
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:79
an ordered list of vtkTextProperty objects.
dynamic, self-adjusting array of double
window superclass for vtkRenderWindow
Definition: vtkWindow.h:34
a simple class to control print indentation
Definition: vtkIndent.h:33
An actor that displays text.
represent text properties.
abstract class specifies interface to map data to graphics primitives
Definition: vtkMapper.h:85
vtkSetMacro(IgnoreDriverBugs, bool)
When set known driver bugs are ignored during driver feature detection.
map vtkPolyData to graphics primitives
Allocate and hold a VTK object.
Definition: vtkNew.h:61
static vtkAlgorithm * New()
vtkBooleanMacro(IgnoreDriverBugs, bool)
When set known driver bugs are ignored during driver feature detection.