private double SegmentLength(int segmentNum)
{
// Get the length of just this line
double thisLineLength = 0;
// Is this a horizontal line?
if (_points[segmentNum].X == _points[segmentNum + 1].X)
{
thisLineLength = Math.Abs(_points[segmentNum].Y - _points[segmentNum + 1].Y);
}
// Is this a vertical line?
else if (_points[segmentNum].Y == _points[segmentNum + 1].Y)
{
thisLineLength = Math.Abs(_points[segmentNum].X - _points[segmentNum + 1].X);
}
else
{
// Find the length of the Hypotenuse of the right triangle
double a = Math.Abs(_points[segmentNum].X - _points[segmentNum + 1].X);
double b = Math.Abs(_points[segmentNum].Y - _points[segmentNum + 1].Y);
thisLineLength = PreviewTools.TriangleHypotenuse(a, b);
}
return(thisLineLength);
}