网页升级

Core2/plottable/Spectrum.cpp

@@ -117,6 +117,22 @@ void Spectrum::update_samples(std::pmr::vector<double>&& values) {
     update_samples(std::span<const double>(values.data(), values.size()));
 }
 
+std::size_t Spectrum::sample_count() const {
+    std::lock_guard lock(mutex_);
+    return state_.samples.size();
+}
+
+std::size_t Spectrum::rendered_point_count() const {
+    const State state = state_snapshot();
+    if (!state.frequency_axis || !state.power_axis)
+        return 0;
+    return detail::curve_points(state.samples, state.frequency_range,
+                                state.frequency_axis->transform(),
+                                state.power_axis->transform(), state.visible_only,
+                                state.interpolation)
+        .size();
+}
+
 double Spectrum::power_at(double frequency, bool& ok) const {
     std::lock_guard lock(mutex_);
     ok = false;