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#pragma once
#include "pt-settings.hpp"
#include "cv/numeric.hpp"
#include "options/options.hpp"
#include <tuple>
#include <type_traits>
#include <memory>
#include <opencv2/core.hpp>
#include <QImage>
struct pt_camera_info final
{
typedef typename types::f f;
pt_camera_info();
static double get_focal_length(f fov, int res_x, int res_y);
double fov = 0;
double fps = 0;
int res_x = 0;
int res_y = 0;
int idx = -1;
};
struct pt_pixel_pos_mixin
{
static std::tuple<double, double> to_pixel_pos(double x, double y, int w, int h);
static std::tuple<double, double> to_screen_pos(double px, double py, int w, int h);
};
struct pt_frame : pt_pixel_pos_mixin
{
pt_frame();
virtual ~pt_frame();
template<typename t>
t* as() &
{
using u = std::decay_t<t>;
static_assert(std::is_convertible_v<u*, pt_frame*>, "must be derived from pt_frame");
return static_cast<t*>(this);
}
template<typename t>
t const* as_const() const&
{
return const_cast<pt_frame*>(this)->as<const t>();
}
};
struct pt_preview : pt_frame
{
virtual pt_preview& operator=(const pt_frame&) = 0;
virtual QImage get_bitmap() = 0;
virtual void draw_head_center(double x, double y) = 0;
};
struct pt_camera
{
using result = std::tuple<bool, pt_camera_info>;
pt_camera();
virtual ~pt_camera();
virtual warn_result_unused bool start(int idx, int fps, int res_x, int res_y) = 0;
virtual void stop() = 0;
virtual warn_result_unused result get_frame(pt_frame& frame) = 0;
virtual warn_result_unused result get_info() const = 0;
virtual pt_camera_info get_desired() const = 0;
virtual QString get_desired_name() const = 0;
virtual QString get_active_name() const = 0;
virtual void set_fov(double value) = 0;
virtual void show_camera_settings() = 0;
};
struct pt_point_extractor : pt_pixel_pos_mixin
{
using vec2 = types::vec2;
pt_point_extractor();
virtual ~pt_point_extractor();
virtual void extract_points(const pt_frame& image, pt_preview& preview_frame, std::vector<vec2>& points) = 0;
static double threshold_radius_value(int w, int h, int threshold);
};
struct pt_runtime_traits
{
template<typename t> using pointer = std::shared_ptr<t>;
pt_runtime_traits();
virtual ~pt_runtime_traits();
virtual pointer<pt_camera> make_camera() const = 0;
virtual pointer<pt_point_extractor> make_point_extractor() const = 0;
virtual pointer<pt_frame> make_frame() const = 0;
virtual pointer<pt_preview> make_preview(int w, int h) const = 0;
virtual QString get_module_name() const = 0;
};
template<typename t>
using pt_pointer = typename pt_runtime_traits::pointer<t>;
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