private static void DrawPolygon(Geometry.Polygon polygon, Geometry.Box box, Graphics graphics, Settings settings, Geometry.Traits traits)
{
LocalCS cs = new LocalCS(box, graphics);
Drawer drawer = new Drawer(graphics, settings.color);
if (traits.Unit == Geometry.Unit.None)
{
PointF[] dst_outer_points = cs.Convert(polygon.Outer);
if (dst_outer_points != null)
{
GraphicsPath gp = new GraphicsPath();
gp.AddPolygon(dst_outer_points);
if (settings.showDir)
{
drawer.DrawDirs(dst_outer_points, true);
drawer.DrawPoint(dst_outer_points[0]);
}
foreach (Ring inner in polygon.Inners)
{
PointF[] dst_inner_points = cs.Convert(inner);
if (dst_inner_points != null)
{
gp.AddPolygon(dst_inner_points);
if (settings.showDir)
{
drawer.DrawDirs(dst_inner_points, true);
drawer.DrawPoint(dst_inner_points[0]);
}
}
}
drawer.FillPath(gp);
drawer.DrawPath(gp);
}
}
else
{
Drawer.PeriodicDrawablePolygon pd = new Drawer.PeriodicDrawablePolygon(cs, polygon.Outer, polygon.Inners, traits.Unit, settings.densify);
Geometry.Interval interval = RelativeEnvelopeLon(polygon.Outer, polygon.Inners, traits.Unit);
drawer.DrawPeriodic(cs, box, interval, traits.Unit, pd, true, settings.showDir, settings.showDots);
if (settings.showDir)
{
if (settings.showDir && polygon.Outer.Count > 0)
{
drawer.DrawPeriodicPoint(cs, polygon.Outer[0], box, traits.Unit, settings.showDots);
}
foreach (Ring inner in polygon.Inners)
{
if (inner.Count > 0)
{
drawer.DrawPeriodicPoint(cs, inner[0], box, traits.Unit, settings.showDots);
}
}
}
}
}