Method loadTrueTypeFont

components/fontloader/fontloader.cpp:296–386

    }

    void FontLoader::loadTrueTypeFont(FontId fontId, const VFS::Path::Normalized& path, std::istream& stream)
    {
        Log(Debug::Info) << "Loading TrueType font file " << path;

        MyGUIPlatform::DataManager* const dataManager
            = dynamic_cast<MyGUIPlatform::DataManager*>(&MyGUIPlatform::DataManager::getInstance());
        if (dataManager == nullptr)
        {
            Log(Debug::Error) << "Can not load TrueType font " << fontId.mValue
                              << ": osgMyGUI::DataManager is not available.";
            return;
        }

        // TODO: it may be worth to take in account resolution change, but it is not safe to replace used assets
        std::unique_ptr<MyGUI::IDataStream> layersStream(dataManager->getData("openmw_layers.xml"));
        MyGUI::IntSize bookSize = getBookSize(layersStream.get());
        float bookScale = MyGUIPlatform::ScalingLayer::getScaleFactor(bookSize);
        const VFS::Path::Normalized oldDataPath(dataManager->getResourcePath());

        struct SetOldResourcePath
        {
            VFS::Path::NormalizedView mOldDataPath;

            void operator()(MyGUIPlatform::DataManager* dataManager) const
            {
                dataManager->setResourcePath(mOldDataPath);
            }
        };

        std::unique_ptr<MyGUIPlatform::DataManager, SetOldResourcePath> dataManagerPtr(
            dataManager, SetOldResourcePath{ oldDataPath });

        constexpr VFS::Path::NormalizedView fonts("fonts");
        dataManager->setResourcePath(fonts);

        std::unique_ptr<MyGUI::IDataStream> dataStream = std::make_unique<MyGUI::DataStream>(&stream);

        MyGUI::xml::Document xmlDocument;
        xmlDocument.open(dataStream.get());
        MyGUI::xml::ElementPtr root = xmlDocument.getRoot();

        MyGUI::xml::ElementEnumerator resourceNode = root->getElementEnumerator();
        bool valid = false;
        if (resourceNode.next("Resource"))
        {
            valid = resourceNode->findAttribute("type") == "ResourceTrueTypeFont";
        }

        if (valid == false)
        {
            Log(Debug::Error) << "Can not load TrueType font " << fontId.mValue << ": " << path << " is invalid.";
            return;
        }

        int resolution = 70;
        MyGUI::xml::ElementPtr resolutionNode = getProperty(resourceNode.current(), "Resolution");
        if (resolutionNode == nullptr)
        {