loader.hpp

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#pragma once
 
#include "client/core.hpp"
#include "client/gui/font/font.hpp"
 
// freetype needs this extra include for whatever unholy reason
#include <ft2build.h>
#include FT_FREETYPE_H  
 
#include <unordered_map>
 
namespace gui::font {
 
// modified from https://learnopengl.com/In-Practice/Text-Rendering
 
struct Character {
    unsigned int texture_id; 
    glm::ivec2 size;         
    glm::ivec2 bearing;      
    unsigned int advance;    
};
 
class Loader {
public:
    Loader() = default;
 
    bool init();
 
    [[nodiscard]] const Character& loadChar(char c, Font font) const;
 
private:
    FT_Library ft;
 
    bool _loadFont(Font font);
 
    std::unordered_map<
        Font,
        std::unordered_map<unsigned char, Character>
    > font_map;
};
 
}