void ExportEnvelopePoints(XmlElement parent, EnvelopePoints points)
{
XmlElement elt = AddChild(parent, "Points");
elt.SetAttribute("Count", points.Count.ToString(myNumberFormat));
foreach (EnvelopePoint point in points)
{
ExportEnvelopePoint(elt, point);
}
}
void ImportPoints(XmlElement parent, EnvelopePoints points)
{
XmlElement elt = parent["Points"];
if (null == elt)
{
return;
}
foreach (XmlElement child in elt)
{
ImportPoint(child, points);
}
}
void ImportPoint(XmlElement elt, EnvelopePoints points)
{
Timecode x = AttributeTimecode(elt, "X");
Double y = AttributeDouble(elt, "Y");
CurveType curve = AttributeCurveType(elt, "Curve");
EnvelopePoint point = points.GetPointAtX(x);
if (null == point)
{
point = new EnvelopePoint(x, y, curve);
points.Add(point);
}
else
{
point.Y = y;
point.Curve = curve;
}
}