Fonts included in packaging for HelpViewer

share/kumir2/docbookviewer/3rd-party.txt

+Droid Serif and Droid Sans Mono fonts by Ascender Corporation
+    http://www.droidfonts.com/droidfonts/
+    licensed under Apache License, Version 2.0
+
+OpenGost fonts by Nikita Volchenkov and Valek Filippov
+    https://bitbucket.org/fat_angel/opengostfont
+    licensed under SIL Open Font License

src/shared/docbookviewer/contentview.cpp

@@ -17,6 +17,8 @@ static const QString CodeFontFamily =
 
 static const QString CodeFontSize = "12pt";
 
+bool ContentView::ExtraFontsLoaded_ = false;
+
 ContentView::ContentView(QWidget *parent)
     : QTextBrowser(parent)
 {
@@ -26,6 +28,21 @@ ContentView::ContentView(QWidget *parent)
     connect(verticalScrollBar(), SIGNAL(sliderMoved(int)),
             this, SLOT(clearLastAnchorUrl()));
     ignoreClearAnchorUrl_ = false;
+
+    if (!ExtraFontsLoaded_) {
+        const QString resourcesRoot = QCoreApplication::instance()->property("sharePath").toString();
+        const QDir fontsDir = QDir(resourcesRoot + "/docbookviewer");
+        const QStringList ttfFiles = fontsDir.entryList(QStringList() << "*.ttf" << "*.otf");
+        foreach (const QString & fileName, ttfFiles) {
+            const QString filePath = fontsDir.absoluteFilePath(fileName);
+            int id = QFontDatabase::addApplicationFont(filePath);
+            if (id == -1) {
+                qWarning() << "Can't load font " << filePath;
+            }
+        }
+        ExtraFontsLoaded_ = true;
+    }
+
 }
 
 QSize ContentView::minimumSizeHint() const

src/shared/docbookviewer/contentview.h

@@ -131,6 +131,8 @@ private /*fields*/:
     QUrl lastAnchorUrl_;
     bool ignoreClearAnchorUrl_;
 
+    static bool ExtraFontsLoaded_;
+
 private slots:
     void clearLastAnchorUrl();
     void handleInternalLink(const QUrl & url);