Why do I get “SWTException: Unable to load graphics library” using GC?
Support for advanced graphics operations such as path for curvers and lines, alpha blending, antialiasing, patterns and transformations was added to SWT 3.1. On Windows, GDI+ is required. On X Windows platforms (i.e. GTK and Motif), Cairo 0.4.0 is required. If your Windows platform does not have GDI+ by default then you can download a redistributable package from Microsoft.