private static native int getLinearVertAdvance(long slot); /* return ((FT_GlyphSlot)slot)->linearVertAdvance;
private static native int getLinearVertAdvance(long slot); /* return ((FT_GlyphSlot)slot)->linearVertAdvance;
private static native int getLinearVertAdvance(long slot); /* return ((FT_GlyphSlot)slot)->linearVertAdvance;