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....adjust_brightness ( $dataDir = null ){ \ # Load an existing image $image = new...Image (); $image = $image -> load ( $dataDir . "test.jpg" ); \...