module Asposeslidesjava module AddSlides def initialize() data_dir = File.dirname(File.dirname(File.dirname(File.dirname(__FILE__)))) + '/data/' # Instantiate Presentation class that represents the presentation file pres = Rjb::import('com.aspose.slides.Presentation').new # Instantiate SlideCollection calss slides = pres.getSlides() i = 0 while i < pres.getLayoutSlides().size() # Add an empty slide to the Slides collection slides.addEmptySlide(pres.getLayoutSlides().get_Item(i)) i +=1 end #Do some work on the newly added slide # Saving the presentation save_format = Rjb::import('com.aspose.slides.SaveFormat') pres.save(data_dir + "EmptySlide.pptx", save_format.Pptx) puts "Document has been created, please check the output file." end end end