Gabriele Cosmo
82 lines
2.9 KiB
C++
82 lines
2.9 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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//
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// $Id: G4OpenGLBitMapStore.hh,v 1.4 2009/04/08 15:15:07 lgarnier Exp $
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// GEANT4 tag $Name: geant4-09-03 $
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//
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//
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// John Allison 6th January 2007
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//
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// Class description
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//
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// Keeps bit maps on byte boundaries suitable for drawing. For
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// example, in OpenGL:
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//
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// const char* circle = G4OpenGLBitMapStore::GetCircle(size, true);
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// glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
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// glBitmap(size, size, size/2., size/2., 0., 0., circle);
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#ifdef G4VIS_BUILD_OPENGL_DRIVER
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#ifndef G4OPENGLBITMAPSTORE_HH
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#define G4OPENGLBITMAPSTORE_HH
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#include "globals.hh"
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#include <map>
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#include "G4OpenGL.hh"
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#include <GL/gl.h>
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#include <GL/glu.h>
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namespace G4OpenGLBitMapStore {
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enum Shape {circle, square};
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const GLubyte* GetBitMap(Shape, G4double& size, G4bool filled);
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// Size in pixels (gets changed to a rationalised value).
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struct Key{
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Key(Shape shape, G4int size, G4bool filled):
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fShape(shape), fSize(size), fFilled(filled) {}
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bool operator<(const Key& rhs) const {
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if (fShape < rhs.fShape) return true;
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else if (fSize < rhs.fSize) return true;
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else if (fFilled != rhs.fFilled) return true;
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else return false;
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}
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Shape fShape;
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G4int fSize;
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G4bool fFilled;
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};
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extern std::map<Key, GLubyte*> fStore;
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}
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#endif
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#endif
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