public void RemovePointAt(int index)
{
if (_pts == null || index < 0 || index >= _pts.Length)
{
return;
}
if (_pts.Length == 1)
{
_pts = null;
}
else
{
var tmp = new precisionpoint[_pts.Length - 1];
int c = 0;
for (int i = 0; i < _pts.Length; i++)
{
if (i != index)
{
tmp[c++] = _pts[i];
}
}
_pts = tmp;
}
if (_parent != null)
{
_parent.Invalidate();
}
}
public void RemovePoint(precisionpoint point)
{
if (_pts == null)
{
return;
}
for (int i = 0; i < _pts.Length; i++)
{
if (Math.Abs(_pts[i].X - point.X) <= Single.Epsilon && Math.Abs(_pts[i].Y - point.Y) <= Single.Epsilon)
{
RemovePointAt(i);
return;
}
}
}
public void AddPoints(precisionpoint[] points)
{
if (_pts == null)
{
_pts = points;
}
else
{
var tmp = new precisionpoint[_pts.Length + points.Length];
Array.Copy(_pts, tmp, _pts.Length);
Array.Copy(points, 0, tmp, _pts.Length, points.Length);
_pts = tmp;
}
if (_parent != null)
{
_parent.Invalidate();
}
}
public void AddPoint(precisionpoint point)
{
if (_pts == null)
{
_pts = new[] { point };
}
else
{
var tmp = new precisionpoint[_pts.Length + 1];
Array.Copy(_pts, tmp, _pts.Length);
tmp[tmp.Length - 1] = point;
_pts = tmp;
}
if (_parent != null)
{
_parent.Invalidate();
}
}
public LineGraphItem(Color color, precisionpoint point)
{
_color = color;
_pts = new[] { point };
_visible = true;
}
