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 ChartType (); $color = new Color (); $imageFormat = new...setValue ( 10000 ); //Create chart $chartIndex = $sheet -> getCharts...