Function dither_pattern_loc

src/laybasic/laybasic/layLayerProperties.h:851–851

  int frame_brightness_loc () const           { return frame_brightness (false); }
  int fill_brightness_loc () const            { return fill_brightness (false);  }
  int dither_pattern_loc () const             { return dither_pattern (false);   }
  int line_style_loc () const                 { return line_style (false);       }
  bool visible_loc () const                   { return visible (false);          }
  bool valid_loc () const                     { return valid (false);            }