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.... drawLine ( new Pen ( Color . getRed (), 3f ), 0...{ graphics . drawLine ( new Pen ( Color . getRed ()), x + OperationAreaSize...