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....new BmpOptions (); $image -> save ( $dataDir . "output.bmp" ,...the default options $image -> save ( $dataDir . "output.jpg" ,...