1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
#include <QtQml/QQmlApplicationEngine>
#include <QtQuick/QQuickWindow>
#include <QtGui/QGuiApplication>
#include <QtGui/QSurfaceFormat>
#include <QQuickVTKItem.h>
#include <QVTKRenderWindowAdapter.h>
#include <vtkActor.h>
#include <vtkBoxWidget.h>
#include <vtkCamera.h>
#include <vtkCommand.h>
#include <vtkConeSource.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkTransform.h>
namespace
{
struct MyVtkItem : QQuickVTKItem
{
struct Data : vtkObject
{
static Data* New();
vtkTypeMacro(Data, vtkObject);
vtkNew<vtkBoxWidget> boxWidget;
};
struct Callback : vtkCommand
{
static Callback* New();
void Execute(vtkObject* caller, unsigned long, void*) override
{
vtkNew<vtkTransform> t;
auto widget = reinterpret_cast<vtkBoxWidget*>(caller);
widget->GetTransform(t);
widget->GetProp3D()->SetUserTransform(t);
}
};
vtkUserData initializeVTK(vtkRenderWindow* renderWindow) override
{
// Create our vtk user data
vtkNew<Data> vtk;
// Create a cone pipeline and add it to the view
vtkNew<vtkConeSource> cone;
cone->SetHeight(3.0);
cone->SetRadius(1.0);
cone->SetResolution(10);
vtkNew<vtkPolyDataMapper> mapper;
mapper->SetInputConnection(cone->GetOutputPort());
vtkNew<vtkNamedColors> colors;
vtkNew<vtkActor> actor;
actor->SetMapper(mapper);
actor->GetProperty()->SetColor(colors->GetColor3d("Bisque").GetData());
vtkNew<vtkRenderer> renderer;
renderer->AddActor(actor);
renderer->ResetCamera();
renderer->SetBackground(colors->GetColor3d("LightBlue").GetData());
renderWindow->AddRenderer(renderer);
renderWindow->SetMultiSamples(16);
vtk->boxWidget->SetInteractor(renderWindow->GetInteractor());
vtk->boxWidget->SetPlaceFactor(1.25);
vtk->boxWidget->GetOutlineProperty()->SetColor(colors->GetColor3d("Gold").GetData());
vtk->boxWidget->SetProp3D(actor);
vtk->boxWidget->PlaceWidget();
vtk->boxWidget->On();
vtkNew<Callback> callback;
vtk->boxWidget->AddObserver(vtkCommand::InteractionEvent, callback);
return vtk;
}
};
vtkStandardNewMacro(MyVtkItem::Data);
vtkStandardNewMacro(MyVtkItem::Callback);
}
int main(int argc, char* argv[])
{
QQuickVTKItem::setGraphicsApi();
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
#endif
QGuiApplication app(argc, argv);
qmlRegisterType<MyVtkItem>("com.vtk.example", 1, 0, "MyVtkItem");
QQmlApplicationEngine engine;
engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
if (engine.rootObjects().isEmpty())
return -1;
return app.exec();
}
|
