1 /*=========================================================================
2 
3   Program:   Visualization Toolkit
4   Module:    TestDistanceWidget.cxx
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 // This example tests the placement of vtkDistanceWidget, vtkAngleWidget,
17 // vtkBiDimensionalWidget
18 
19 // First include the required header files for the VTK classes we are using.
20 #include "vtkDistanceWidget.h"
21 #include "vtkDistanceRepresentation2D.h"
22 #include "vtkDistanceRepresentation3D.h"
23 #include "vtkAngleWidget.h"
24 #include "vtkAngleRepresentation2D.h"
25 #include "vtkBiDimensionalWidget.h"
26 #include "vtkBiDimensionalRepresentation2D.h"
27 #include "vtkSphereSource.h"
28 #include "vtkPolyDataMapper.h"
29 #include "vtkActor.h"
30 #include "vtkRenderer.h"
31 #include "vtkRenderWindow.h"
32 #include "vtkRenderWindowInteractor.h"
33 #include "vtkSmartPointer.h"
34 #include "vtkCommand.h"
35 #include "vtkInteractorEventRecorder.h"
36 #include "vtkRegressionTestImage.h"
37 #include "vtkDebugLeaks.h"
38 #include "vtkCoordinate.h"
39 #include "vtkMath.h"
40 #include "vtkHandleWidget.h"
41 #include "vtkPointHandleRepresentation2D.h"
42 #include "vtkPointHandleRepresentation3D.h"
43 #include "vtkAxisActor2D.h"
44 #include "vtkProperty2D.h"
45 #include "vtkProperty.h"
46 
47 #define VTK_CREATE(type, name) \
48   vtkSmartPointer<type> name = vtkSmartPointer<type>::New()
49 
50 
51 // The actual test function
TestProgrammaticPlacement(int argc,char * argv[])52 int TestProgrammaticPlacement( int argc, char *argv[] )
53 {
54   // Create the RenderWindow, Renderer and both Actors
55   //
56   VTK_CREATE(vtkRenderer, ren1);
57   VTK_CREATE(vtkRenderWindow, renWin);
58   renWin->AddRenderer(ren1);
59 
60   VTK_CREATE(vtkRenderWindowInteractor, iren);;
61   iren->SetRenderWindow(renWin);
62 
63   // Create a test pipeline
64   //
65   VTK_CREATE(vtkSphereSource, ss);
66   VTK_CREATE(vtkPolyDataMapper, mapper);
67   mapper->SetInputConnection(ss->GetOutputPort());
68   VTK_CREATE(vtkActor, actor);
69   actor->SetMapper(mapper);
70 
71   // Create the widget and its representation
72   VTK_CREATE(vtkPointHandleRepresentation2D, handle);
73   handle->GetProperty()->SetColor(1,0,0);
74 
75   VTK_CREATE(vtkDistanceRepresentation2D, dRep);
76   dRep->SetHandleRepresentation(handle);
77   dRep->InstantiateHandleRepresentation();
78   dRep->GetAxis()->SetNumberOfMinorTicks(4);
79   dRep->GetAxis()->SetTickLength(9);
80   dRep->GetAxis()->SetTitlePosition(0.2);
81   dRep->RulerModeOn();
82   dRep->SetRulerDistance(0.25);
83 
84   VTK_CREATE(vtkDistanceWidget, dWidget);
85   dWidget->SetInteractor(iren);
86   dWidget->SetRepresentation(dRep);
87   dWidget->SetWidgetStateToManipulate();
88 
89   // Create the widget and its representation
90   VTK_CREATE(vtkPointHandleRepresentation3D, handle2);
91   handle2->GetProperty()->SetColor(1,1,0);
92 
93   VTK_CREATE(vtkDistanceRepresentation3D, dRep2);
94   dRep2->SetHandleRepresentation(handle2);
95   dRep2->InstantiateHandleRepresentation();
96   dRep2->RulerModeOn();
97   dRep2->SetRulerDistance(0.25);
98 
99   VTK_CREATE(vtkDistanceWidget, dWidget2);
100   dWidget2->SetInteractor(iren);
101   dWidget2->SetRepresentation(dRep2);
102   dWidget2->SetWidgetStateToManipulate();
103 
104   // Add the actors to the renderer, set the background and size
105   //
106   ren1->AddActor(actor);
107   ren1->SetBackground(0.1, 0.2, 0.4);
108   renWin->SetSize(300, 300);
109 
110   // render the image
111   //
112   iren->Initialize();
113   renWin->Render();
114   dWidget->On();
115   dWidget2->On();
116 
117   double p[3]; p[0] = 25; p[1] = 50; p[2] = 0;
118   dRep->SetPoint1DisplayPosition(p);
119   p[0] = 275; p[1] = 250; p[2] = 0;
120   dRep->SetPoint2DisplayPosition(p);
121 
122   p[0] = -0.75; p[1] = 0.75; p[2] = 0;
123   dRep2->SetPoint1WorldPosition(p);
124   p[0] = 0.75; p[1] = -0.75; p[2] = 0;
125   dRep2->SetPoint2WorldPosition(p);
126 
127   renWin->Render();
128 
129   // Remove the observers so we can go interactive. Without this the "-I"
130   // testing option fails.
131   int retVal = vtkRegressionTestImage( renWin );
132   if ( retVal == vtkRegressionTester::DO_INTERACTOR)
133     {
134     iren->Start();
135     }
136   dWidget->Off();
137 
138   return !retVal;
139 }
140