| Geant4 Cross Reference |
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25 //
26 // Created by Stewart Boogert on 05/03/2023.
27 //
28
29 #include "G4VtkTextPipeline.hh"
30
31 #include "G4Text.hh"
32 #include "G4VisAttributes.hh"
33 #include "G4VtkViewer.hh"
34
35 #include <vtkBillboardTextActor3D.h>
36 #include <vtkTextProperty.h>
37
38 std::size_t G4VtkTextPipeline::MakeHash(const G4Text& text, const G4VtkVisContext& /*vc*/,
39 const G4VisAttributes* pVA)
40 {
41 std::size_t hash = std::hash<G4VisAttributes>{}(*pVA);
42
43 G4double x = text.GetPosition().x();
44 G4double y = text.GetPosition().y();
45 G4double z = text.GetPosition().z();
46
47 std::hash_combine(hash, std::hash<G4String>{}(text.GetText()));
48 std::hash_combine(hash, std::hash<G4double>{}(x));
49 std::hash_combine(hash, std::hash<G4double>{}(y));
50 std::hash_combine(hash, std::hash<G4double>{}(z));
51
52 return hash;
53 }
54
55 G4VtkTextPipeline::G4VtkTextPipeline(const G4Text& text, const G4VtkVisContext& vcIn,
56 const G4VisAttributes* pVA)
57 : G4VVtkPipeline(text.GetText().c_str(), "G4VtkTextPipeline", vcIn, false, vcIn.fViewer->renderer)
58 {
59 G4double x = text.GetPosition().x();
60 G4double y = text.GetPosition().y();
61 G4double z = text.GetPosition().z();
62
63 G4Color colour = pVA->GetColour();
64 G4double opacity = colour.GetAlpha();
65
66 actor = vtkSmartPointer<vtkBillboardTextActor3D>::New();
67 actor->SetInput(text.GetText().c_str());
68 actor->SetPosition(x, y, z);
69 actor->GetTextProperty()->SetFontSize(text.GetScreenSize());
70 actor->GetTextProperty()->SetColor(colour.GetRed(), colour.GetGreen(), colour.GetBlue());
71 actor->GetTextProperty()->SetOpacity(opacity);
72
73 vc.fViewer->renderer->AddActor(actor);
74 }
75
76 void G4VtkTextPipeline::Enable()
77 {
78 actor->SetVisibility(1);
79 }
80
81 void G4VtkTextPipeline::Disable()
82 {
83 actor->SetVisibility(0);
84 }
85
86 void G4VtkTextPipeline::Print()
87 {
88 G4VVtkPipeline::Print();
89 }
90
91 void G4VtkTextPipeline::Modified()
92 {
93 G4VVtkPipeline::Modified();
94 }
95
96 void G4VtkTextPipeline::Clear()
97 {
98 renderer->RemoveActor(actor);
99 G4VVtkPipeline::Clear();
100 }
101
102 void G4VtkTextPipeline::SetText(const G4String& text)
103 {
104 actor->SetInput(text.c_str());
105 }
106