Font.h

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#ifndef B_FONT_H
#define B_FONT_H

#include <memory>
#include <string>
#include <map>
#include "Renderer_GL.h"
#include "Texture.h"

#include "external/freetype-gl/freetype-gl.h"

class Font
{
public:

    /* Functions */

    Font() { _initialized = false; }

    Font(const std::string &fontFileName, GLuint fontPixelSize);

    virtual ~Font() {
        deleteFont();
    }

    virtual void loadFont(const std::string &fontFileName){ init(fontFileName, _fontPixelSize); }

    virtual void setPixelSize(GLuint fontPixelSize) { init(_fontFileName, fontPixelSize); }

    GLuint getPixelSize() { return _fontPixelSize; }

    const std::string &getFontFileName() { return _fontFileName; }

    virtual ftgl::texture_glyph_t *getCharacter(char c);

    TexturePtr getAtlas(){ return _atlasTexture; }

    virtual void deleteFont();

private:

    /* Functions */

    void init(const std::string &fontFileName, GLuint fontPixelSize);

    /* Variables */

    bool _initialized = false;
    ftgl::texture_atlas_t *_atlas = nullptr;
    ftgl::texture_font_t *_font = nullptr;
    TexturePtr _atlasTexture = nullptr;
    std::string _fontFileName;
    GLuint _fontPixelSize;
};

typedef std::shared_ptr< Font >  FontPtr;

#endif /* defined(B_FONT_H) */