initial commit

src/waterfall.h

@@ -0,0 +1,25 @@
+#pragma once
+#include <imgui.h>
+#include <imgui_internal.h>
+#include <vector>
+#include <mutex>
+#include <GL/glew.h>
+
+namespace ImGui {
+    class WaterFall {
+    public:
+        WaterFall();
+
+        void draw();
+        void pushFFT(std::vector<float> data, int n);
+
+    private:
+        void drawWaterfall(ImGuiWindow* window, int width, int height, ImVec2 pos);
+
+        std::vector<std::vector<float>> fftBuffer;
+        bool newSamples;
+        std::mutex buf_mtx;
+        GLuint textureId;
+        uint8_t* pixelBuffer;
+    };
+};