////  TextRenderer3D.cpp//  interface/src/ui////  Created by Andrzej Kapolka on 4/24/13.//  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// #include "TextRenderer3D.h" #include "text/Font.h" TextRenderer3D* TextRenderer3D::getInstance(const char* family) {    return new TextRenderer3D(family);} TextRenderer3D::TextRenderer3D(const char* family) :    _family(family),    _font(Font::load(family)) {    if (!_font) {        qWarning() << "Unable to load font with family " << family;        _font = Font::load(ROBOTO_FONT_FAMILY);    }} glm::vec2 TextRenderer3D::computeExtent(const QString& str) const {    if (_font) {        return _font->computeExtent(str);    }    return glm::vec2(0.0f, 0.0f);} float TextRenderer3D::getFontHeight() const {    if (_font) {        return _font->getFontHeight();    }    return 0.0f;} void TextRenderer3D::draw(gpu::Batch& batch, const Font::DrawProps& props) {    if (_font) {        _font->drawString(batch, _drawInfo, props);    }} void TextRenderer3D::draw(gpu::Batch& batch, const QString& font, const Font::DrawProps& props) {    if (font != _family) {        _family = font;        _font = Font::load(_family);    }    if (_font) {        _font->drawString(batch, _drawInfo, props);    }}