1 #include "vtkAutoInit.h"
2 VTK_MODULE_INIT(vtkRenderingOpenGL2);
3 VTK_MODULE_INIT(vtkInteractionStyle);
4
5 #include <vtkSmartPointer.h>
6 #include <vtkMath.h>
7 #include <vtkImageData.h>
8 #include <vtkImageCanvasSource2D.h>
9 #include <vtkImageLogic.h>
10 #include <vtkRenderWindow.h>
11 #include <vtkRenderWindowInteractor.h>
12 #include <vtkInteractorStyleImage.h>
13 #include <vtkRenderer.h>
14 #include <vtkImageActor.h>
15
16 int main(int, char *[])
17 {
18 vtkSmartPointer<vtkImageCanvasSource2D> imageSource1 =
19 vtkSmartPointer<vtkImageCanvasSource2D>::New();
20 imageSource1->SetScalarTypeToUnsignedChar();
21 imageSource1->SetNumberOfScalarComponents(1);
22 imageSource1->SetExtent(0, 100, 0, 100, 0, 0);
23 imageSource1->SetDrawColor(0.0);
24 imageSource1->FillBox(0,100,0,100);
25 imageSource1->SetDrawColor(255);
26 imageSource1->FillBox(20,60,20,60);
27 imageSource1->Update();
28
29 vtkSmartPointer<vtkImageCanvasSource2D> imageSource2 =
30 vtkSmartPointer<vtkImageCanvasSource2D>::New();
31 imageSource2->SetNumberOfScalarComponents(1);
32 imageSource2->SetScalarTypeToUnsignedChar();
33 imageSource2->SetExtent(0, 100, 0, 100, 0, 0);
34 imageSource2->SetDrawColor(0.0);
35 imageSource2->FillBox(0,100,0,100);
36 imageSource2->SetDrawColor(255.0);
37 imageSource2->FillBox(40,80,40,80);
38 imageSource2->Update();
39
40 vtkSmartPointer<vtkImageLogic> imageLogic =
41 vtkSmartPointer<vtkImageLogic>::New();
42 imageLogic->SetInputData(imageSource1->GetOutput());
43 imageLogic->SetInputData(imageSource2->GetOutput());
44 imageLogic->SetOperationToXor();
45 imageLogic->SetOutputTrueValue(128);
46 imageLogic->Update();
47
48 vtkSmartPointer<vtkImageActor> originalActor1 =
49 vtkSmartPointer<vtkImageActor>::New();
50 originalActor1->SetInputData(imageSource1->GetOutput());
51
52 vtkSmartPointer<vtkImageActor> originalActor2 =
53 vtkSmartPointer<vtkImageActor>::New();
54 originalActor2->SetInputData(imageSource2->GetOutput());
55
56 vtkSmartPointer<vtkImageActor> logicActor =
57 vtkSmartPointer<vtkImageActor>::New();
58 logicActor->SetInputData(imageLogic->GetOutput());
59
60 double leftViewport[4] = {0.0, 0.0, 0.33, 1.0};
61 double midViewport[4] = {0.33, 0.0, 0.66, 1.0};
62 double rightViewport[4] = {0.66, 0.0, 1.0, 1.0};
63
64 vtkSmartPointer<vtkRenderer> originalRenderer1 =
65 vtkSmartPointer<vtkRenderer>::New();
66 originalRenderer1->SetViewport(leftViewport);
67 originalRenderer1->AddActor(originalActor1);
68 originalRenderer1->ResetCamera();
69 originalRenderer1->SetBackground(1.0, 1.0, 1.0);
70
71 vtkSmartPointer<vtkRenderer> originalRenderer2 =
72 vtkSmartPointer<vtkRenderer>::New();
73 originalRenderer2->SetViewport(midViewport);
74 originalRenderer2->AddActor(originalActor2);
75 originalRenderer2->ResetCamera();
76 originalRenderer2->SetBackground(0.8, 0.8, 0.8);
77
78 vtkSmartPointer<vtkRenderer> logicRenderer =
79 vtkSmartPointer<vtkRenderer>::New();
80 logicRenderer->SetViewport(rightViewport);
81 logicRenderer->AddActor(logicActor);
82 logicRenderer->ResetCamera();
83 logicRenderer->SetBackground(0.6, 0.6, 0.6);
84
85 vtkSmartPointer<vtkRenderWindow> renderWindow =
86 vtkSmartPointer<vtkRenderWindow>::New();
87 renderWindow->AddRenderer(originalRenderer1);
88 renderWindow->AddRenderer(originalRenderer2);
89 renderWindow->AddRenderer(logicRenderer);
90 renderWindow->SetSize(640, 320);
91 renderWindow->Render();
92 renderWindow->SetWindowName("ImageLogicExample");
93
94 vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
95 vtkSmartPointer<vtkRenderWindowInteractor>::New();
96 vtkSmartPointer<vtkInteractorStyleImage> style =
97 vtkSmartPointer<vtkInteractorStyleImage>::New();
98
99 renderWindowInteractor->SetInteractorStyle(style);
100 renderWindowInteractor->SetRenderWindow(renderWindow);
101 renderWindowInteractor->Initialize();
102 renderWindowInteractor->Start();
103
104 return EXIT_SUCCESS;
105 }
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