i_wires_drawer.h

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/* Author(s):     F. Mauger <mauger@lpccaen.in2p3.fr>
 * Creation date: 2015-02-07
 * Last modified: 2015-02-07
 *
 * License:
 *
 * Description:
 *
 *   Base class for all shape drawer in wires mode
 *
 * History:
 *
 */

#ifndef GEOMTOOLS_I_WIRES_DRAWER_H
#define GEOMTOOLS_I_WIRES_DRAWER_H 1

// Standard library:
#include <iostream>

// Third party:
// - Boost:
#include <boost/scoped_ptr.hpp>
#include <boost/cstdint.hpp>

// This project:
#include <geomtools/utils.h>
#include <geomtools/i_wires_3d_rendering.h>

namespace geomtools {

  /*
  class cached_wires_drawer
  {
  public:

    cached_wires_drawer(i_wires_3d_rendering & renderer_);

    virtual ~cached_wires_drawer();

    virtual void generate_wires_self(std::list<polyline_3d> & wires_,
                                     uint32_t options_ = 0) const;

    void clear_wires();

    void update_wires();

    bool has_wires() const;

    const std::list<polyline_3d> & get_wires() const;

  private:

    i_wires_3d_rendering * _renderer_; //!< handle to an external renderer
    uint32_t _options_; //!< Current rendering options
    boost::scoped_ptr<std::list<polyline_3d> > _cached_wires_; //!< Cached wires collection

  };
  */

  template <class T>
  class i_wires_drawer : public i_wires_3d_rendering
  {
  public:

    // Type aliases:
    typedef T          object_type;
    typedef T *        pointer_type;
    typedef const T *  const_pointer_type;
    typedef T &        reference_type;
    typedef const T &  const_reference_type;

    i_wires_drawer() : _address_(0)
    {
      return;
    }

    i_wires_drawer(const_reference_type object_) : _address_(0)
    {
      set_address(object_);
      return;
    }

    virtual ~i_wires_drawer()
    {
      return;
    }

    bool has_address() const
    {
      return _address_ != 0;
    }

    void set_address(const_reference_type object_)
    {
      _address_ = &object_;
      return;
    }

    void reset_address()
    {
      _address_ = 0;
      return;
    }

    const_reference_type get() const
    {
      return *_address_;
    }

  protected:

    const_pointer_type _address_; 

  };

} // end of namespace geomtools

#endif // GEOMTOOLS_I_WIRES_DRAWER_H

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