1 files changed, 123 insertions, 0 deletions
diff --git a/tracker-points/pt-api.hpp b/tracker-points/pt-api.hpp
new file mode 100644
index 00000000..741576a1
--- /dev/null
+++ b/tracker-points/pt-api.hpp
@@ -0,0 +1,123 @@
+#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>
+#include <QString>
+
+#ifdef __clang__
+#   pragma clang diagnostic push
+#   pragma clang diagnostic ignored "-Wweak-vtables"
+#endif
+
+struct pt_camera_info final
+{
+    using f = numeric_types::f;
+
+    pt_camera_info();
+    static f get_focal_length(f fov, int res_x, int res_y);
+
+    f fov = 0;
+    f fps = 0;
+
+    int res_x = 0;
+    int res_y = 0;
+    QString name;
+};
+
+struct pt_pixel_pos_mixin
+{
+    using f = numeric_types::f;
+
+    static std::tuple<f, f> to_pixel_pos(f x, f y, int w, int h);
+    static std::tuple<f, f> to_screen_pos(f px, f py, int w, int h);
+};
+
+struct pt_frame : pt_pixel_pos_mixin
+{
+    pt_frame();
+    virtual ~pt_frame();
+
+    template<typename t>
+    t* as() &
+    {
+        return static_cast<t*>(this);
+    }
+
+    template<typename t>
+    t const* as_const() const&
+    {
+        return static_cast<t const*>(this);
+    }
+};
+
+struct pt_preview : pt_frame
+{
+    virtual pt_preview& operator=(const pt_frame&) = 0;
+    virtual QImage get_bitmap() = 0;
+    virtual void draw_head_center(f x, f y) = 0;
+};
+
+struct pt_camera
+{
+    using result = std::tuple<bool, pt_camera_info>;
+    using f = numeric_types::f;
+
+    pt_camera();
+    virtual ~pt_camera();
+
+    [[nodiscard]] virtual bool start(const QString& name, int fps, int res_x, int res_y) = 0;
+    virtual void stop() = 0;
+
+    virtual result get_frame(pt_frame& frame) = 0;
+    virtual 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(f value) = 0;
+    virtual void show_camera_settings() = 0;
+};
+
+struct pt_point_extractor : pt_pixel_pos_mixin
+{
+    using vec2 = numeric_types::vec2;
+    using f = numeric_types::f;
+
+    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 f 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>;
+
+#ifdef __clang__
+#   pragma clang diagnostic pop
+#endif