label.h

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#pragma once
#include <iostream>
#include <map>
#include <string>
// FreeType
#include <ft2build.h>
#include FT_FREETYPE_H

#include "renderable2d.h"

#include <src/utils/glassert.h>

namespace fireworks { namespace graphics {

    struct Character
    {
        unsigned int    TextureID;
        glm::vec2       Size;
        glm::vec2       Bearing;
        unsigned int    Advance;
    };

    struct Font
    {
        const char*     fontPath;
        unsigned int    fontSize;

        Font(const char* path, unsigned int size)
        {
            this->fontPath = path;
            this->fontSize = size;
        }
    };

    // TODO: The projection matrix dimensions should be updated for the label
    class Label
    {
    public:
        std::string                         text;
        glm::vec3                           position;
        glm::vec3                           color;
        Font                                font;
    private:
        mutable std::map<char, Character>   m_Characters;
        Shader*                             m_FontShader;
        unsigned int                        m_VAO;
        unsigned int                        m_VBO;
    public:
        Label(const char* text, glm::vec3 position, glm::vec3 color, Font& font);

        void renderText() const;
    private:
        void load();
    };

} }