simple_renderer.hh

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//------------------------------------------------------------------------------
// This file is part of the OpenStructure project <www.openstructure.org>
//
// Copyright (C) 2008-2011 by the OpenStructure authors
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the Free
// Software Foundation; either version 3.0 of the License, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
// details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this library; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//------------------------------------------------------------------------------
#ifndef OST_GFX_SIMPLE_RENDERER_HH
#define OST_GFX_SIMPLE_RENDERER_HH

/*
  Authors: Ansgar Philippsen, Stefan Scheuber, Marco Biasini
 */

#include <ost/gfx/impl/connect_renderer_base.hh>
#include <ost/gfx/entity_fw.hh>
#include <ost/gfx/impl/entity_detail.hh>
#include <ost/gfx/render_options/simple_render_options.hh>

namespace ost { namespace gfx { namespace impl {


class DLLEXPORT_OST_GFX SimpleRenderer: public ConnectRendererBase {
public:
  SimpleRenderer();

  virtual void PrepareRendering();

  
  virtual bool CanSetOptions(RenderOptionsPtr& render_options);
  virtual void SetOptions(RenderOptionsPtr& render_options);
  virtual RenderOptionsPtr GetOptions();
  
  virtual void RenderPov(PovState& pov, const std::string& name);

  BondEntryList& GetBondEntryList();
private:
  void PrepareRendering(GfxView& view, IndexedVertexArray& va);
  geom::Vec3 GetDoubleBondPlane(mol::BondHandle b);
  void GetBondPartnerNormal(geom::Vec3& vec, int& n, geom::Vec3& bond_vec,
                             mol::AtomHandleList& ahl, mol::AtomHandle& a1,
                             mol::AtomHandle& a2);
  SimpleRenderOptionsPtr options_;
};

}}}

#endif // OST_GFX_SIMPLE_RENDERER_HH