sdl_text_strategy.h

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#pragma once
 
#include <SDL3/SDL.h>
#include <SDL3_ttf/SDL_ttf.h>
#include <engine/core/rendering/strategies/irendering_strategy.h>
#include <engine/public/component.h>
#include <engine/public/components/ui/text.h>
#include <engine/public/ui/ui_object.h>
 
#include <map>
#include <memory>
#include <string>
 
class SdlTextStrategy final : public IRenderingStrategy {
 private:
  SDL_Renderer& sdl_renderer_;
 
  std::unique_ptr<SDL_Texture, void (*)(SDL_Texture*)> texture_{
      nullptr, SDL_DestroyTexture};
 
  float last_font_width_ = 0.0f;
  float last_font_height_ = 0.0f;
 
  static std::reference_wrapper<TTF_Font> get_font(const std::string& name,
                                                   const std::string& path,
                                                   int size);
  void draw_cached(Text& text, const UIObject& ui_object,
                   const Transform& transform, float scale_x, float scale_y);
  void draw_fresh(Text& text, const UIObject& ui_object,
                  const Transform& transform, float scale_x, float scale_y);
 
 public:
  SdlTextStrategy(SDL_Renderer& sdl_renderer);
  ~SdlTextStrategy() override = default;
  void draw(Component& component, Camera& camera) override;
};