CameraContext.h

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/*

             *
            ***
           *****
   *********************       Mercenaries Engineering SARL
     *****************              Copyright (C) 2018
       *************
         *********        http://www.mercenaries-engineering.com
        ***********
       ****     ****
      **           **

*/
#pragma once

#include "Value.h"

  namespace maquina
  {

    class MAQUINA_EXPORT CameraContext
    {
    public:

      const Imath::M44d& camera_to_world() const;

      const Imath::M44d& projection() const;

      Imath::V2i resolution() const;

      Imath::V3d pixel_to_world(const Imath::V2i& screen_pos, double depth) const;

      Imath::V3d world_to_pixel(const Imath::V3d& world_pos) const;

      float near_plane() const;
      float far_plane() const;

      class MAQUINA_EXPORT SceneGraphs
      {
      public:
        class MAQUINA_EXPORT Iterator
        {
        public:
          ~Iterator();

          Value scene_graph() const;

          bool operator!=(const Iterator& other) const;
          Iterator& operator++();

          Iterator(void *impl);
          void* _impl;
        };

        Iterator begin();
        Iterator end();
      };

      const SceneGraphs visible_scene_graphs() const;

      void* _impl;

      CameraContext(void *impl) : _impl(impl) {}
    };
  }