static int getUV(String glyphName) {
        Integer UV = h.get(glyphName);
        if (UV != null)
            return UV;
        if (glyphName.startsWith("G")) {
            try {
                String s = glyphName.substring(1);
                return Integer.parseInt(s);
            } catch (Exception ex) {
                //
            }
        }
        return -1;
    }