SignalWaveformPanel.hpp

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#ifndef ECHOMAP_SIGNALWAVEFORMPANEL_HPP
#define ECHOMAP_SIGNALWAVEFORMPANEL_HPP
 
#include <implot.h>
#include <sigc++/scoped_connection.h>
 
#include <string>
 
#include "../objects/IDAllocator.hpp"
#include "IProjectPanel.hpp"
 
namespace echomap
{
 
class WorkerResultDespatcher;
class DownsampleResult;
class Signal;
class Worker;

class SignalWaveformPanel final : public IProjectPanel
{
public:
    explicit SignalWaveformPanel(
            Worker* parent_worker,
            WorkerResultDespatcher& despatcher,
            const Project* initial_project = nullptr
    );
 
    ~SignalWaveformPanel() noexcept override;
 
    SignalWaveformPanel(const SignalWaveformPanel&) = delete;
    SignalWaveformPanel& operator=(const SignalWaveformPanel&) = delete;
 
    SignalWaveformPanel(SignalWaveformPanel&&) noexcept;
    SignalWaveformPanel& operator=(SignalWaveformPanel&&) noexcept = delete;
 
    [[nodiscard]] const char* get_imgui_name() const noexcept override;
 
    void draw() noexcept override;
 
    void change_active_project(const Project* new_project) override;
 
    static const char* get_imgui_stable_name() noexcept;
 
private:
    static constexpr float default_downsample_factor = 50.0f;
 
    struct CallbackData
    {
        const Signal * signal;
    };
 
    static ImPlotPoint get_indexed_signal_point(
            int index,
            void* user_data
    ) noexcept;
 
    void handle_downsampled_result(DownsampleResult&& result);
 
    void update_bounding_box(const Signal& signal) noexcept;
    void update_bounding_box() noexcept;

    const Signal* get_downsampled_signal(std::shared_ptr<Signal> signal);

    std::unordered_map<id_type, std::unique_ptr<Signal>> downsample_cache;

    ImPlotRect bounding_box;
 
    std::string panel_name;
    ImPlotSpec plotting_spec_2d;
    Worker* parent_worker;
    const Project* active_project = nullptr;
    std::vector<sigc::scoped_connection> connections;
};
 
} // namespace echomap
 
#endif // ECHOMAP_SIGNALWAVEFORMPANEL_HPP