// tegner ruten fra Diagram A til B på pilene
private void setPath()
{
string temp = "M";
for (int i = 0; i < pathObjects.Count; i++)
{
temp += " " + pathObjects.ElementAt(i).X + "," + pathObjects.ElementAt(i).Y;
}
Path = temp;
}
private void setArrow()
{
string temp = "";
if (!Type.Equals(EArrows.NORMAL) && pathObjects.Count != 0)
{
for (int i = 0; i < thisArrow.Count; i++)
{
temp += " " + (pathObjects.ElementAt(pathObjects.Count - 1).X + rotatingArrow.ElementAt(i).X) +
"," + (pathObjects.ElementAt(pathObjects.Count - 1).Y + rotatingArrow.ElementAt(i).Y);
}
Arrow = temp;
}
}
public void rotateArrow()
{
if (oldAnchor != newAnchor)
{
oldAnchor = newAnchor;
double cTheta = Math.Cos(angle * (Math.PI / 180));
double sTheta = Math.Sin(angle * (Math.PI / 180));
PointCollection temp = new PointCollection();
for (int i = 0; i < thisArrow.Count; i++)
{
double x = (int)((thisArrow.ElementAt(i).X - 0) * cTheta - (thisArrow.ElementAt(i).Y - 0) * sTheta);
double y = (int)((thisArrow.ElementAt(i).X - 0) * sTheta + (thisArrow.ElementAt(i).Y - 0) * cTheta);
temp.Add(new Point(x, y));
}
rotatingArrow = temp;
}
}