color_scheme.hpp

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#pragma once
#include <glm/glm.hpp>
#include <optional>
#include <string>
#include <toast/assets/data.hpp>
#include <toast/export.hpp>
#include <unordered_map>
 
namespace assets {
 
class TOAST_API ColorScheme : public Data {
public:
  explicit ColorScheme(const toml::table& table, Handle<Schema> schema = {}) : Data(table, std::move(schema)) { }
 
  [[nodiscard]]
  auto type() const -> std::string_view override {
    return "color_scheme";
  }
 
  void reload(const toml::table& table) override;

  [[nodiscard]]
  auto color(std::string_view name) const -> std::optional<glm::vec4>;

  [[nodiscard]]
  auto hex(std::string_view name) const -> std::optional<std::string>;

  [[nodiscard]]
  static auto toHex(glm::vec4 color) -> std::string;
 
private:
  void buildLookup() const;
 
  mutable bool m_built = false;
  mutable std::unordered_map<std::string, glm::vec4> m_lookup;
};
 
}