IQ.Pilot Release Commit @ 0b96bd5

iqpilot/tools/cabana/ui/chart/sparkline.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <vector>
+
+#include "imgui.h"
+#include "tools/cabana/dbc/dbc.h"
+#include "tools/cabana/streams/abstractstream.h"
+
+class Sparkline {
+public:
+  void update(const cabana::Signal *sig, CanEventIter first, CanEventIter last, int range, ImVec2 sz, double window_end);
+  inline double freq() const { return freq_; }
+  bool isEmpty() const { return render_points_.empty(); }
+
+  void draw(ImDrawList *draw_list, ImVec2 pos) const;
+
+  ImVec2 size = {};
+  double min_val = 0;
+  double max_val = 0;
+
+private:
+  struct Point {
+    double x, y;
+  };
+  void render(const CabanaColor &color, int range, ImVec2 sz, double window_end);
+
+  std::vector<Point> points_;
+  std::vector<ImVec2> render_points_;
+  ImU32 color_ = 0;
+  double window_end_ = 0;
+  double xscale_ = 0;
+  bool draw_individual_points_ = false;
+  double freq_ = 0;
+};