codac2_Figure2D.h

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#pragma once
 
#include <string>
#include <vector>
#include <memory>
#include "codac2_Index.h"
#include "codac2_Figure2DInterface.h"
#include "codac2_OutputFigure2D.h"
#include "codac2_Paving.h"
#include "codac2_ColorMap.h"
#include "codac2_Ellipsoid.h"
#include "codac2_Polygon.h"
 
#define DEFAULT_FIG_NAME "Codac - default figure"
 
namespace codac2
{
  enum class GraphicOutput
  {
    VIBES = 0x01,
    IPE = 0x02
  };
 
  constexpr int operator&(GraphicOutput a, GraphicOutput b)
  { return static_cast<int>(static_cast<int>(a) & static_cast<int>(b)); }
 
  constexpr GraphicOutput operator|(GraphicOutput a, GraphicOutput b)
  { return static_cast<GraphicOutput>(static_cast<int>(a) | static_cast<int>(b)); }
 
  struct FigureAxis
  {
    Index dim_id;
    Interval limits;
    std::string label;
  };
 
  inline FigureAxis axis(Index dim_id, const Interval& limits, const std::string& label = "")
  {
    assert_release(dim_id >= 0);
    //assert_release(!limits.is_empty());
 
    std::string axis_label = label;
    if(axis_label.empty())
      axis_label = "x_" + std::to_string(dim_id);
 
    return { dim_id, limits, axis_label };
  }
 
  class DefaultFigure;
  class PavingOut;
  class PavingInOut;
  template<typename P>
  class Subpaving;

  class Figure2D : public std::enable_shared_from_this<Figure2D>
  {
    public:

      Figure2D(const std::string& name, GraphicOutput o, bool set_as_default = false);

      const std::string& name() const;
      
      Index size() const;

      const std::vector<FigureAxis>& axes() const;

      void set_axes(const FigureAxis& axis1, const FigureAxis& axis2);

      const Index& i() const;

      const Index& j() const;

      const Vector& pos() const;

      const Vector& window_size() const;

      void set_window_properties(const Vector& pos, const Vector& size);

      void center_viewbox(const Vector& c, const Vector& r);

      double scaled_unit() const;

      void auto_scale();

      bool is_default() const;

      void set_as_default();

      void set_tdomain(const Interval& tdomain);
 
      // Geometric shapes

      void draw_point(const Vector& c, const StyleProperties& s = StyleProperties());

      void draw_box(const IntervalVector& x, const StyleProperties& s = StyleProperties());

      void draw_circle(const Vector& c, double r, const StyleProperties& s = StyleProperties());

      void draw_ring(const Vector& c, const Interval& r, const StyleProperties& s = StyleProperties());

      void draw_line(const Vector& p1, const Vector& p2, const StyleProperties& s = StyleProperties());

      void draw_line(const Segment& e, const StyleProperties& s = StyleProperties());

      void draw_arrow(const Vector& p1, const Vector& p2, float tip_length, const StyleProperties& s = StyleProperties());

      void draw_polyline(const std::vector<Vector>& x, const StyleProperties& s = StyleProperties());

      void draw_polyline(const std::vector<Vector>& x, float tip_length, const StyleProperties& s = StyleProperties());

      void draw_polygon(const Polygon& x, const StyleProperties& s = StyleProperties());

      void draw_parallelepiped(const Vector& z, const Matrix& A, const StyleProperties& s = StyleProperties());

      void draw_pie(const Vector& c, const Interval& r, const Interval& theta, const StyleProperties& s = StyleProperties());

      void draw_ellipse(const Vector& c, const Vector& ab, double theta, const StyleProperties& s = StyleProperties());

      void draw_ellipsoid(const Ellipsoid& e, const StyleProperties& s = StyleProperties());

      void draw_trajectory(const SampledTraj<Vector>& x, const StyleProperties& s = StyleProperties());

      void draw_trajectory(const AnalyticTraj<VectorType>& x, const StyleProperties& s = StyleProperties());

      void draw_trajectory(const SampledTraj<Vector>& x, const ColorMap& cmap);

      void draw_trajectory(const AnalyticTraj<VectorType>& x, const ColorMap& cmap);

      void plot_trajectory(const SampledTraj<double>& x, const StyleProperties& s = StyleProperties());
 
      // Robots

      void draw_tank(const Vector& x, float size, const StyleProperties& s = StyleProperties());

      void draw_AUV(const Vector& x, float size, const StyleProperties& s = StyleProperties());

      void draw_motor_boat(const Vector& x, float size, const StyleProperties& s = StyleProperties());
 
      // Pavings

      void draw_paving(const PavingOut& p,
        const StyleProperties& bound_s = StyleProperties::boundary(),
        const StyleProperties& out_s = StyleProperties::outside());

      void draw_paving(const PavingInOut& p,
        const StyleProperties& bound_s = StyleProperties::boundary(),
        const StyleProperties& out_s = StyleProperties::outside(),
        const StyleProperties& in_s = StyleProperties::inside());

      template<typename P>
      void draw_subpaving(const Subpaving<P>& p, const StyleProperties& s = StyleProperties())
      {
        for(const auto& pi : p.boxes())
          draw_box(pi, s);
      }
 
    protected:
 
      const std::string _name;
      Vector _pos {50,50}, _window_size {500,500};
      std::vector<FigureAxis> _axes { axis(0,{0,1}), axis(1,{0,1}) };
      std::vector<std::shared_ptr<OutputFigure2D>> _output_figures;
      Interval _tdomain;
 
      friend DefaultFigure;
  };

  class DefaultFigure
  {
    public:

      static std::shared_ptr<Figure2D> selected_fig()
      {
        if(_selected_fig == nullptr)
          _selected_fig = _default_fig;
        return _selected_fig;
      }

      static void set(std::shared_ptr<Figure2D> fig)
      {
        _selected_fig = fig;
      }
      
      static void set_axes(const FigureAxis& axis1, const FigureAxis& axis2)
      {
        auto_init();
        selected_fig()->set_axes(axis1,axis2);
      }
      
      static void set_window_properties(const Vector& pos, const Vector& size)
      {
        auto_init();
        selected_fig()->set_window_properties(pos,size);
      }
 
      // Geometric shapes

      static void draw_point(const Vector& c, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_point(c,s);
      }

      static void draw_box(const IntervalVector& x, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_box(x,s);
      }

      static void draw_circle(const Vector& c, double r, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_circle(c,r,s);
      }

      static void draw_ring(const Vector& c, const Interval& r, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_ring(c,r,s);
      }

      static void draw_line(const Vector& p1, const Vector& p2, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_line(p1,p2,s);
      }

      static void draw_line(const Segment& e, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_line(e,s);
      }

      static void draw_arrow(const Vector& p1, const Vector& p2, float tip_length, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_arrow(p1,p2,tip_length,s);
      }

      static void draw_polyline(const std::vector<Vector>& x, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_polyline(x,s);
      }

      static void draw_polyline(const std::vector<Vector>& x, float tip_length, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_polyline(x,tip_length,s);
      }

      static void draw_polygon(const Polygon& x, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_polygon(x,s);
      }

      static void draw_parallelepiped(const Vector& z, const Matrix& A, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_parallelepiped(z,A,s);
      }

      static void draw_pie(const Vector& c, const Interval& r, const Interval& theta, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_pie(c,r,theta,s);
      }

      static void draw_ellipse(const Vector& c, const Vector& ab, double theta, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_ellipse(c,ab,theta,s);
      }

      static void draw_ellipsoid(const Ellipsoid& e, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_ellipsoid(e,s);
      }

      static void draw_trajectory(const SampledTraj<Vector>& x, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_trajectory(x,s);
      }

      static void draw_trajectory(const AnalyticTraj<VectorType>& x, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_trajectory(x,s);
      }

      static void draw_trajectory(const SampledTraj<Vector>& x, const ColorMap& cmap)
      {
        auto_init();
        selected_fig()->draw_trajectory(x,cmap);
      }

      static void draw_trajectory(const AnalyticTraj<VectorType>& x, const ColorMap& cmap)
      {
        auto_init();
        selected_fig()->draw_trajectory(x,cmap);
      }

      static void plot_trajectory(const SampledTraj<double>& x, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->plot_trajectory(x,s);
      }
 
      // Robots

      static void draw_tank(const Vector& x, float size, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_tank(x,size,s);
      }

      static void draw_AUV(const Vector& x, float size, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_AUV(x,size,s);
      }

      static void draw_motor_boat(const Vector& x, float size, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_motor_boat(x,size,s);
      }
 
      // Pavings

      static void draw_paving(const PavingOut& p,
        const StyleProperties& boundary_style = StyleProperties::boundary(),
        const StyleProperties& outside_style = StyleProperties::outside())
      {
        if(auto_init())
        {
          double rx = p.tree()->hull()[0].diam(), ry = p.tree()->hull()[1].diam();
          _default_fig->set_window_properties({20.,20.}, 
            rx > ry ? Vector({800.,800.*ry/rx}) : Vector({800.*rx/ry,800.}));
          _default_fig->set_axes(axis(0,p.tree()->hull()[0]),axis(1,p.tree()->hull()[1]));
        }
 
        selected_fig()->draw_paving(p, boundary_style, outside_style);
      }

      static void draw_paving(const PavingInOut& p,
        const StyleProperties& boundary_style = StyleProperties::boundary(),
        const StyleProperties& outside_style = StyleProperties::outside(),
        const StyleProperties& inside_style = StyleProperties::inside())
      {
        if(auto_init())
        {
          double rx = p.tree()->hull()[0].diam(), ry = p.tree()->hull()[1].diam();
          _default_fig->set_window_properties({20.,20.}, 
            rx > ry ? Vector({800.,800.*ry/rx}) : Vector({800.*rx/ry,800.}));
          _default_fig->set_axes(axis(0,p.tree()->hull()[0]),axis(1,p.tree()->hull()[1]));
        }
 
        selected_fig()->draw_paving(p, boundary_style, outside_style, inside_style);
      }

      template<typename P>
      static void draw_subpaving(const Subpaving<P>& p, const StyleProperties& s = StyleProperties())
      {
        auto_init();
        selected_fig()->draw_subpaving(p, s);
      }
 
 
    protected:
 
      static bool auto_init()
      {
        if(!_default_fig && !_selected_fig)
        {
          _default_fig = std::make_shared<Figure2D>(DEFAULT_FIG_NAME, GraphicOutput::VIBES);
          _default_fig->set_window_properties({20.,20.}, {800.,800.});
          _default_fig->set_axes(axis(0,{-10,10}),axis(1,{-10,10}));
          _selected_fig = _default_fig;
          return true;
        }
 
        return false;
      }
 
      friend Figure2D;
 
      static std::shared_ptr<Figure2D> _default_fig;
      static std::shared_ptr<Figure2D> _selected_fig;
  };
}