text: /*global cordova, module*/
  
  module.exports = {
      add_image: function (pdf_file, image, pos_x, pos_y, scale, successCallback, errorCallback) {
          cordova.exec(successCallback, errorCallback, "Pdf", "add_image", [pdf_file, image, pos_x, pos_y, scale]);
      },
  
      get_position: function (pdf_file, successCallback, errorCallback) {
          cordova.exec(successCallback, errorCallback, "Pdf", "get_position", [pdf_file]);
      }
  };