module Asposeslidesjava module PptToPptx def initialize() data_dir = File.dirname(File.dirname(File.dirname(File.dirname(__FILE__)))) + '/data/' # Instantiate a Presentation object that represents a PPTX file pres = Rjb::import('com.aspose.slides.Presentation').new(data_dir + "Presentation1.ppt") # Saving the PPTX presentation to PPTX format save_format = Rjb::import('com.aspose.slides.SaveFormat') pres.save(data_dir + "Aspose.pptx", save_format.Pptx) puts "Document has been converted, please check the output file." end end end