label.hpp

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#pragma once
#include "../node/components.hpp"
#include "../definitions.hpp"
#include "../../services/graphics/graphics.hpp"
 
class Label : public Component {
public:
    Label(const std::string& text, std::shared_ptr<Font> font);
    Label(const std::string& text);
    Label();
    ~Label();
 
    Vector2 size;
    Vector2 origin;
 
    void update(float dt);
    void render(std::shared_ptr<Window> window); 
    std::shared_ptr<Font> font;
    bool visible = true;
    bool wrap = true; // text wrap. yes or no?
    bool screenSpace = false;
 
    Label* setText(const std::string& text);
    std::string getText() const;
    TTF_Text* getHandle() const;
 
    Label* setColor(Color color);
    Color getColor() const;
    Label* setDirection(FontDirection direction);
    Label* setWrapWidth(int width); // meant for internal use
    int getWrapWidth() const;
    void rebuildTexture();
    SDL_Texture *getTexture() const;
 
    template <class Archive>
    void save(Archive &ar) const
    {
        ar(CEREAL_NVP(size), CEREAL_NVP(origin), CEREAL_NVP(font), CEREAL_NVP(visible), CEREAL_NVP(wrap), CEREAL_NVP(color), CEREAL_NVP(direction), CEREAL_NVP(wrapWidth), CEREAL_NVP(text));
    }
 
    template <class Archive>
    void load(Archive &ar)
    {
        ar(CEREAL_NVP(size), CEREAL_NVP(origin), CEREAL_NVP(font), CEREAL_NVP(visible), CEREAL_NVP(wrap), CEREAL_NVP(color), CEREAL_NVP(direction), CEREAL_NVP(wrapWidth), CEREAL_NVP(text));
        TTF_CreateText(Services::graphics()->getTextEngine(), font->getHandle(), text.c_str(), text.size());
        TTF_SetTextColor(handle, color.r, color.g, color.b, color.a);
        TTF_SetTextDirection(handle, (TTF_Direction)direction);
        TTF_SetTextWrapWidth(handle, wrapWidth);
    }
private:
    std::string text = "";
    Color color = Color::WHITE;
    FontDirection direction = FontDirection::LTR;
    int wrapWidth = -1;
    bool dirty = true;
 
    TTF_Text* handle; // TTF_Text*
    SDL_Texture *texture = nullptr;
    Vector2 prevSize;
};
 
CEREAL_REGISTER_TYPE(Label);
CEREAL_REGISTER_POLYMORPHIC_RELATION(Component, Label);