public static void RenderPng(SimulationCoordinateSpace coordinateSpace,
INetworkDatabase ndb,
IUnitDatabase units,
IDictionary <int, TrainControlStateSummary>?controllerMap,
string filename,
int w, int h,
double scale, int fontSize)
{
var center = new PointD(w / 2, h / 2);
var surf = new ImageSurface(Format.Argb32, w, h);
Context cr = new Context(surf);
RenderToContext(coordinateSpace, ndb, units, controllerMap, cr, center, scale, fontSize);
cr.Dispose();
surf.WriteToPng(filename);
surf.Finish();
surf.Dispose();
}
