// File: font.hpp, created on Aug 20, 2011 by WeltEnSTurm


#ifndef FONT_HPP_
#define FONT_HPP_


#include <ft2build.h>
#include <freetype/freetype.h>
#include <freetype/ftglyph.h>
#include <freetype/ftoutln.h>
#include <freetype/fttrigon.h>

#include <vector>
#include <string>
#include "tools/base.hpp"
#include "GLTools.h"
#include "GLBatch.h"

class fm {
    public:

        class font {

            protected:

                struct Glyph {
                    GLuint      Map;
                    GLBatch     Vertices;
                    long        Width;
                    long        Height;
                };

                FT_Face         Face;
                bool            Invalid;
                std::string     Path;
                long            Index;

            public:
                std::vector<Glyph*> Data;

                font(bool ninv = true){
                    Invalid = !ninv;
                }

                void init();

                bool operator ! (){
                    return Invalid;
                }
                friend class fm;
        };

    protected:
        fm(){
        }
        ~fm();

        FT_Library  mLib;
        std::vector<font*> Fonts;
    public:

        static fm& Get(){
            static fm Manager;
            return Manager;
        }

        static font* LoadFont(std::string path, long size = 12, long index = 0);

        void DrawText(const std::string& text);

};

#endif /* FONT_HPP_ */