private void DrawElement(DrawingContext dc,
PointI element, Brush brush, int distance)
{
// translate origin to center of current polygon
PolygonGridTest dialog = PolygonGridTest.Instance;
PointD center = dialog.Grid.GridToDisplay(element);
dc.PushTransform(new TranslateTransform(center.X, center.Y));
// draw inset polygon with specified brush
if (brush != null)
{
dc.DrawGeometry(brush, new Pen(Brushes.Black, 1), dialog.InsetGeometry);
}
// draw distance if desired
if (distance > 0)
{
Typeface typeface = dialog.FontFamily.GetTypefaces().ElementAt(0);
FormattedText text = new FormattedText(distance.ToString(),
CultureInfo.GetCultureInfo("en-us"), FlowDirection.LeftToRight,
typeface, dialog.FontSize, Brushes.Black);
dc.DrawText(text, new Point(-text.Width / 2.0, -text.Height / 2.0));
}
dc.Pop();
}
private void PolygonGridCommandExecuted(object sender, ExecutedRoutedEventArgs args)
{
args.Handled = true;
Window dialog = new PolygonGridTest()
{
Owner = this
};
dialog.ShowDialog();
}