////  TextRenderer3D.h//  interface/src/ui////  Created by Andrzej Kapolka on 4/26/13.//  Copyright 2013 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #ifndef hifi_TextRenderer3D_h#define hifi_TextRenderer3D_h #include <memory>#include <glm/glm.hpp> #include "text/Font.h"#include "TextEffect.h"#include "TextAlignment.h"#include "FontFamilies.h" class TextRenderer3D {public:    static TextRenderer3D* getInstance(const char* family);     glm::vec2 computeExtent(const QString& str) const;    float getFontHeight() const;     void draw(gpu::Batch& batch, const Font::DrawProps& props);    void draw(gpu::Batch& batch, const QString& font, const Font::DrawProps& props); private:    TextRenderer3D(const char* family);     QString _family;     std::shared_ptr<Font> _font;    Font::DrawInfo _drawInfo; }; #endif // hifi_TextRenderer3D_h