private void createPolygon(PointCollection points)
{
pcvoPolygon p = new pcvoPolygon();
p.points = points;
polygons.Add(p);
canvas.Children.Add(p.getPolygon());
}
private void canvas_clickHandler(object sender, MouseButtonEventArgs e)
{
Point position = e.GetPosition(canvas);
points.Add(new Point(position.X, position.Y));
if (points.Count > 1)
{
Point begin = points[0];
Point end = points[points.Count - 1];
if (withinRange(begin, end))
{
PointCollection polygonPoints = points.Clone();
polygonPoints.RemoveAt(points.Count - 1);
createPolygon(polygonPoints);
points.Clear();
refreshCanvas(canvas);
pcvoPolygon a = new pcvoPolygon();
}
else
{
Line line = new Line();
line.Visibility = System.Windows.Visibility.Visible;
line.StrokeThickness = 4;
line.Stroke = System.Windows.Media.Brushes.Black;
line.X1 = points[points.Count - 2].X;
line.X2 = points[points.Count - 1].X;
line.Y1 = points[points.Count - 2].Y;
line.Y2 = points[points.Count - 1].Y;
canvas.Children.Add(line);
}
}
}