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....Presentation class that represents the PPTX Presentation pres = new Presentation...getHeight (), imgx ); //Write the PPTX file to disk pres . save ( dataDir...