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G4XXXViewer.cc
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27 // $Id: G4XXXViewer.cc 66373 2012-12-18 09:41:34Z gcosmo $
28 //
29 //
30 // John Allison 5th April 2001
31 // A template for a simplest possible graphics driver.
32 //?? Lines or sections marked like this require specialisation for your driver.
33 
34 #include "G4XXXViewer.hh"
35 
36 #include "G4VSceneHandler.hh"
37 #include "G4XXXSceneHandler.hh"
38 
40 (G4VSceneHandler& sceneHandler, const G4String& name):
41  G4VViewer(sceneHandler, sceneHandler.IncrementViewCount(), name) {}
42 
44 
46 #ifdef G4XXXDEBUG
47  G4cout << "G4XXXViewer::SetView() called." << G4endl;
48 #endif
49 }
50 
52 #ifdef G4XXXDEBUG
53  G4cout << "G4XXXViewer::ClearView() called." << G4endl;
54 #endif
55 }
56 
58 #ifdef G4XXXDEBUG
59  G4cout << "G4XXXViewer::DrawView() called." << G4endl;
60 #endif
61 
62  // First, a view should decide when to re-visit the G4 kernel.
63  // Sometimes it might not be necessary, e.g., if the scene is stored
64  // in a graphical database (e.g., OpenGL's display lists) and only
65  // the viewing angle has changed. But graphics systems without a
66  // graphical database will always need to visit the G4 kernel.
67 
68  NeedKernelVisit (); // Default is - always visit G4 kernel.
69  // Note: this routine sets the fNeedKernelVisit flag of *all* the
70  // views of the scene.
71 
72  ProcessView (); // The basic logic is here.
73 
74  // Then a view may have more to do, e.g., display the graphical
75  // database. That code should come here...
76 
77  // ...before finally...
78  FinishView (); // Flush streams and/or swap buffers.
79 }
80 
82 #ifdef G4XXXDEBUG
83  G4cout << "G4XXXViewer::ShowView() called." << G4endl;
84  static_cast<G4XXXSceneHandler&>(fSceneHandler).PrintStores();
85 #endif
86 }
const XML_Char * name
Definition: expat.h:151
G4int IncrementViewCount()
void ClearView()
Definition: G4XXXViewer.cc:51
virtual ~G4XXXViewer()
Definition: G4XXXViewer.cc:43
void SetView()
Definition: G4XXXViewer.cc:45
void DrawView()
Definition: G4XXXViewer.cc:57
G4GLOB_DLL std::ostream G4cout
void NeedKernelVisit()
Definition: G4VViewer.cc:78
#define G4endl
Definition: G4ios.hh:61
void ProcessView()
Definition: G4VViewer.cc:105
G4XXXViewer(G4VSceneHandler &, const G4String &name)
Definition: G4XXXViewer.cc:40
G4VSceneHandler & fSceneHandler
Definition: G4VViewer.hh:201
void ShowView()
Definition: G4XXXViewer.cc:81
virtual void FinishView()
Definition: G4VViewer.cc:101