Repo created

libs/kml/color_parser.hpp

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <cstdint>
+#include <optional>
+#include <string_view>
+
+#include "types.hpp"
+
+namespace kml
+{
+
+template <typename Channel>
+constexpr uint32_t ToRGBA(Channel red, Channel green, Channel blue, Channel alpha = Channel(255))
+{
+  return static_cast<uint8_t>(red) << 24 | static_cast<uint8_t>(green) << 16 | static_cast<uint8_t>(blue) << 8 |
+         static_cast<uint8_t>(alpha);
+}
+
+std::optional<uint32_t> ParseHexColor(std::string_view c);
+std::optional<uint32_t> ParseGarminColor(std::string_view c);
+std::optional<uint32_t> ParseOSMColor(std::string_view c);
+
+PredefinedColor MapPredefinedColor(uint32_t rgba);
+std::string_view MapGarminColor(uint32_t rgba);
+
+}  // namespace kml