private void DrawPolygon(Polygon polygon, DrawingStyle style, ViewInfo viewInfo, Graphics g)
{
if (style.StrokePen != null || style.FillBrush != null)
{
var p = viewInfo.RingToPointFList(polygon.ExteriorRing);
var path = new GraphicsPath(FillMode.Winding);
//Draw external ring
path.AddPolygon(p);
//Cut out inner polygons
int numRings = polygon.InteriorRings.Count;
for (int i = 0; i < numRings; i++)
{
p = viewInfo.RingToPointFList(polygon.InteriorRings[i]);
path.AddPolygon(p);
}
if (style.FillBrush != null)
{
g.FillPath(style.FillBrush, path);
}
if (style.StrokePen != null)
{
g.DrawPath(style.StrokePen, path);
}
}
}
private void DrawLineString(LineString line, DrawingStyle style, ViewInfo viewInfo, Graphics g)
{
if (style.StrokePen != null)
{
g.DrawLines(style.StrokePen, viewInfo.RingToPointFList(line.Vertices));
}
}
