Method createFont

app/src/processing/app/ui/Toolkit.java:1105–1142

Get a font from the lib/fonts folder. Our default fonts are also installed there so that the monospace (and others) can be used by other font listing calls (i.e. it appears in the list of monospace fonts in the Preferences window, and can be used by HTMLEditorKit for WebFrame).

(String filename, int size)

   * the Preferences window, and can be used by HTMLEditorKit for WebFrame).
   */
  static private Font createFont(String filename, int size) throws IOException, FontFormatException {
    boolean registerFont = false;

    // try the JRE font directory first
    File fontFile = new File(System.getProperty("java.home"), "lib/fonts/" + filename);

    // else fall back to our own content dir
    if (!fontFile.exists()) {
      fontFile = Platform.getContentFile("lib/fonts/" + filename);
      registerFont = true;
    }

    if (!fontFile.exists()) {
      String msg = "Could not find required fonts. ";
      // This gets the JAVA_HOME for the *local* copy of the JRE installed with
      // Processing. If it's not using the local JRE, it may be because of this
      // launch4j bug: https://github.com/processing/processing/issues/3543
      if (Util.containsNonASCII(Platform.getJavaHome().getAbsolutePath())) {
        msg += "Trying moving Processing\n" +
          "to a location with only ASCII characters in the path.";
      } else {
        msg += "Please reinstall Processing.";
      }
      Messages.showError("Font Sadness", msg, null);
    }


    BufferedInputStream input = new BufferedInputStream(new FileInputStream(fontFile));
    Font font = Font.createFont(Font.TRUETYPE_FONT, input);
    input.close();

    if (registerFont) {
      GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
      ge.registerFont(font);
    }

    return font.deriveFont((float) size);
  }


  /**