satdump/src-core/common/widgets/fft_plot.h

#pragma once

#include "image/image.h"
#include "imgui/imgui.h"
#include <mutex>
#include <string>

namespace satdump
{
    namespace widgets
    {
        class FFTPlot
        {
        private:
            float *values;
            int values_size;
            std::mutex work_mutex;

        public:
            float scale_min, scale_max;
            float scale_resolution;

            double bandwidth = 0;
            double frequency = 0;

            bool enable_freq_scale = true;

            double actual_sdr_freq = -1;

        public:
            FFTPlot(float *v, int size, float min, float max, float scale_res = 20);

            void draw(ImVec2 size);
            image::Image drawImg(int size_x, int size_y);

            void set_size(int size)
            {
                work_mutex.lock();
                values_size = size;
                work_mutex.unlock();
            }

            void set_ptr(float *v)
            {
                work_mutex.lock();
                values = v;
                work_mutex.unlock();
            }

            std::vector<std::pair<std::string, double>> vfo_freqs;
        };
    } // namespace widgets
} // namespace satdump