Initial standalone track core

examples/render_demo.cpp

@@ -0,0 +1,40 @@
+#include <iostream>
+
+#include "track_core/memory_strip.hpp"
+
+int main() {
+    track_core::TrackConfig config{
+        .draw_kind = track_core::TrackDrawKind::circular,
+        .line_length_m = 10.0F,
+        .active_line_length_m = 4.0F,
+        .head_offset_m = 0.0F,
+        .line_leds_num = 20,
+    };
+    track_core::TrackInfo info{
+        .kind = track_core::SchemeKind::speed_input_time_segmented_mileage_free,
+        .color = track_core::Color::green(),
+        .id = 1,
+        .is_running = true,
+        .num_segments = 1,
+    };
+    track_core::TrackReport report{
+        .id = 1,
+        .state = track_core::TrackState::run,
+        .mileage_m = 8.5F,
+        .speed_m_s = 1.0F,
+        .time_elapsed_ms = 0,
+    };
+
+    track_core::MemoryStrip strip(config.line_leds_num);
+    const auto plan = track_core::make_track_render_plan(config, info, report);
+    static_cast<void>(track_core::apply_render_plan(strip, plan));
+    static_cast<void>(strip.show());
+
+    std::cout << "frame=" << strip.frame_sequence() << " leds=" << strip.leds_count() << "\n";
+    for (std::size_t i = 0; i < plan.span_count; ++i) {
+        const auto &span = plan.spans[i];
+        std::cout << "span start=" << span.start_led
+                  << " count=" << span.led_count
+                  << " color=" << span.color.hex() << "\n";
+    }
+}