Gabriele Cosmo
86 lines
3.3 KiB
C++
86 lines
3.3 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// Guy Barrand 09th June 2022
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#include "G4ToolsSGOffscreen.hh"
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#include "G4ToolsSGOffscreenViewer.hh"
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#include <tools/offscreen/sg_viewer>
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G4ToolsSGOffscreen::G4ToolsSGOffscreen():
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parent
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("TOOLSSG_OFFSCREEN",
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"TSG_OFFSCREEN",
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"TOOLSSG_OFFSCREEN is a graphics driver based on the g4tools tools/sg scene graph logic where\n\
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the rendering is done by using various offscreen library as tools/sg/zb, gl2ps, png, jpeg.",
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parent::threeDInteractive)
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,fSGSession(nullptr)
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{}
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G4ToolsSGOffscreen::~G4ToolsSGOffscreen() {
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delete fSGSession;
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}
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void G4ToolsSGOffscreen::Initialise() {
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if(fSGSession) return; //done.
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fSGSession = new tools::offscreen::session(G4cout);
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if(!fSGSession->is_valid()) {
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G4cerr << "G4ToolsSGOffscreen::Initialise : session::is_valid() failed." << G4endl;
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delete fSGSession;
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fSGSession = nullptr;
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return;
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}
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}
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G4VSceneHandler* G4ToolsSGOffscreen::CreateSceneHandler(const G4String& a_name) {
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G4VSceneHandler* pScene = new G4ToolsSGSceneHandler(*this,a_name);
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return pScene;
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}
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G4VViewer* G4ToolsSGOffscreen::CreateViewer(G4VSceneHandler& a_scene,const G4String& a_name) {
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if(!fSGSession) Initialise();
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if(!fSGSession) return nullptr;
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G4VViewer* pView = new G4ToolsSGOffscreenViewer(*fSGSession,(G4ToolsSGSceneHandler&)a_scene,a_name);
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if (pView) {
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if (pView->GetViewId() < 0) {
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G4cerr <<
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"G4ToolsSGOffscreen::CreateViewer: ERROR flagged by negative"
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" view id in G4ToolsSGViewer creation."
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"\n Destroying view and returning null pointer."
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<< G4endl;
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delete pView;
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pView = nullptr;
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}
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}
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if (!pView) {
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G4cerr <<
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"G4ToolsSGOffscreen::CreateViewer: ERROR: null pointer on new G4ToolsSGViewer."
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<< G4endl;
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}
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return pView;
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}
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