private ControlPoint CreateControlPoints(bool editMode, out ControlPoint lastEndPoint, PathSegment psRet)
{
ControlPoint cpRet = null;
lastEndPoint = null;
if (editMode)
{
ControlPoint lastCP = null;
ControlPoint bezierTmpCP = null;
PathGeom.DoForAllPointDPs(new DependencyPropertyCallback((DependencyObject obj, DependencyProperty dp) =>
{
var cp = new ControlPoint(Drawing, this, obj, dp, 0, true, true);
cp.Tag = obj;
Drawing.AddControlPoint(cp);
if (dp.OwnerType == typeof(BezierSegment))
{
if (dp.Name == "Point1") // control point 1
{
lastCP.SubPoint = cp;
cp.ConnectedTo = lastCP;
cp.IsSelectable = false;
}
else if (dp.Name == "Point2") // control point 2
{
cp.IsSelectable = false;
bezierTmpCP = cp;
}
else if (dp.Name == "Point3") // end point
{
cp.SubPoint = bezierTmpCP;
bezierTmpCP.ConnectedTo = cp;
lastCP = cp;
}
}
else if (dp.OwnerType == typeof(QuadraticBezierSegment))
{
if (dp.Name == "Point1") // control point 2
{
cp.IsSelectable = false;
bezierTmpCP = cp;
}
else if (dp.Name == "Point2") // end point
{
cp.SubPoint = bezierTmpCP;
bezierTmpCP.ConnectedTo = cp;
lastCP = cp;
}
}
else
{
lastCP = cp;
}
if (obj == psRet)
{
cpRet = lastCP;
}
}));
lastEndPoint = lastCP;
}
return(cpRet);
}
