Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....represents a PPTX file pres = Rjb::import('com.aspose.slides.Presentation')...XPS format save_format = Rjb::import('com.aspose.slides.SaveFormat')...