1 #include "vtkAutoInit.h"
2 VTK_MODULE_INIT(vtkRenderingOpenGL2);
3 VTK_MODULE_INIT(vtkInteractionStyle);
4
5 #include <vtkSmartPointer.h>
6 #include <vtkImageData.h>
7 #include <vtkRenderWindow.h>
8 #include <vtkRenderWindowInteractor.h>
9 #include <vtkInteractorStyleImage.h>
10 #include <vtkRenderer.h>
11 #include <vtkImageActor.h>
12 #include <vtkBMPReader.h>
13 #include <vtkImageLuminance.h>
14
15 //测试图像：../data/lena.bmp
16 int main(int argc, char* argv[])
17 {
18 vtkSmartPointer<vtkBMPReader> reader =
19 vtkSmartPointer<vtkBMPReader>::New();
20 reader->SetFileName ( "lena.bmp" );
21
22 vtkSmartPointer<vtkImageLuminance> luminanceFilter =
23 vtkSmartPointer<vtkImageLuminance>::New();
24 luminanceFilter->SetInputConnection(reader->GetOutputPort());
25 luminanceFilter->Update();
26
27 vtkSmartPointer<vtkImageActor> originalActor =
28 vtkSmartPointer<vtkImageActor>::New();
29 originalActor->SetInputData(reader->GetOutput());
30
31 vtkSmartPointer<vtkImageActor> shiftscaleActor =
32 vtkSmartPointer<vtkImageActor>::New();
33 shiftscaleActor->SetInputData(luminanceFilter->GetOutput());
34
35 double originalViewport[4] = {0.0, 0.0, 0.5, 1.0};
36 double shiftscaleViewport[4] = {0.5, 0.0, 1.0, 1.0};
37
38 vtkSmartPointer<vtkRenderer> originalRenderer =
39 vtkSmartPointer<vtkRenderer>::New();
40 originalRenderer->SetViewport(originalViewport);
41 originalRenderer->AddActor(originalActor);
42 originalRenderer->ResetCamera();
43 originalRenderer->SetBackground(1.0, 1.0, 1.0);
44
45 vtkSmartPointer<vtkRenderer> shiftscaleRenderer =
46 vtkSmartPointer<vtkRenderer>::New();
47 shiftscaleRenderer->SetViewport(shiftscaleViewport);
48 shiftscaleRenderer->AddActor(shiftscaleActor);
49 shiftscaleRenderer->ResetCamera();
50 shiftscaleRenderer->SetBackground(1.0, 1.0, 1.0);
51
52 vtkSmartPointer<vtkRenderWindow> renderWindow =
53 vtkSmartPointer<vtkRenderWindow>::New();
54 renderWindow->AddRenderer(originalRenderer);
55 renderWindow->AddRenderer(shiftscaleRenderer);
56 renderWindow->SetSize( 640, 320 );
57 renderWindow->Render();
58 renderWindow->SetWindowName("Color2GrayImageExample");
59
60 vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
61 vtkSmartPointer<vtkRenderWindowInteractor>::New();
62 vtkSmartPointer<vtkInteractorStyleImage> style =
63 vtkSmartPointer<vtkInteractorStyleImage>::New();
64
65 renderWindowInteractor->SetInteractorStyle(style);
66 renderWindowInteractor->SetRenderWindow(renderWindow);
67 renderWindowInteractor->Initialize();
68
69 renderWindowInteractor->Start();
70
71 return EXIT_SUCCESS;
72 }
