| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | // $Id: G4OpenGLImmediateViewer.cc,v 1.8 2006/09/04 12:07:59 allison Exp $
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| 28 | // GEANT4 tag $Name: $
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| 29 | //
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| 30 | //
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| 31 | // Andrew Walkden 7th February 1997
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| 32 | // Class G4OpenGLImmediateViewer : Encapsulates the `immediateness' of
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| 33 | // an OpenGL view, for inheritance by
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| 34 | // derived (X, Xm...) classes.
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| 35 |
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| 36 | #ifdef G4VIS_BUILD_OPENGL_DRIVER
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| 37 |
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| 38 | #include "G4OpenGLImmediateViewer.hh"
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| 39 |
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| 40 | G4OpenGLImmediateViewer::G4OpenGLImmediateViewer (G4OpenGLImmediateSceneHandler& scene):
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| 41 | G4VViewer (scene, -1),
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| 42 | G4OpenGLViewer (scene)
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| 43 | {}
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| 44 |
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| 45 | void G4OpenGLImmediateViewer::ProcessView ()
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| 46 | {
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| 47 | const G4Planes& cutaways = fVP.GetCutawayPlanes();
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| 48 | G4bool cutawayUnion = fVP.IsCutaway() &&
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| 49 | fVP.GetCutawayMode() == G4ViewParameters::cutawayUnion;
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| 50 | size_t nPasses = cutawayUnion? cutaways.size(): 1;
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| 51 | for (size_t i = 0; i < nPasses; ++i) {
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| 52 |
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| 53 | if (cutawayUnion) {
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| 54 | double a[4];
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| 55 | a[0] = cutaways[i].a();
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| 56 | a[1] = cutaways[i].b();
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| 57 | a[2] = cutaways[i].c();
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| 58 | a[3] = cutaways[i].d();
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| 59 | glClipPlane (GL_CLIP_PLANE2, a);
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| 60 | glEnable (GL_CLIP_PLANE2);
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| 61 | }
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| 62 |
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| 63 | NeedKernelVisit (); // Always need to visit G4 kernel.
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| 64 | G4VViewer::ProcessView ();
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| 65 |
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| 66 | if (cutawayUnion) glDisable (GL_CLIP_PLANE2);
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| 67 | }
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| 68 | }
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| 69 |
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| 70 | #endif
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