private void DrawBezierCurve()
{
this.ContentGrid.Children.Remove(_bezierCanvas);
_bezierCanvas.Children.Clear();
BezierPoints.Clear();
var pointList = new List <Point>();
for (int i = 0; i <= _insertedPoint; i++)
{
pointList.Add(PointList[i].Point);
}
DrawCasteljau(pointList);
for (int i = 0; i < BezierPoints.Count - 1; i++)
{
var line = new Line
{
Stroke = Brushes.Red,
StrokeThickness = 1,
X1 = BezierPoints[i].X,
Y1 = BezierPoints[i].Y,
X2 = BezierPoints[i + 1].X,
Y2 = BezierPoints[i + 1].Y
};
_bezierCanvas.Children.Add(line);
}
this.ContentGrid.Children.Add(_bezierCanvas);
}
public void Load(EngineNS.IO.XndNode xndNode)
{
BezierPoints.Clear();
var att = xndNode.FindAttrib("_bezierPts");
if (att != null)
{
att.BeginRead();
switch (att.Version)
{
case 0:
{
int count;
att.Read(out count);
for (int i = 0; i < count; i++)
{
var bPt = att.ReadMetaObject() as BezierPoint;
if (bPt != null)
{
bPt.CalculateOpposite();
BezierPoints.Add(bPt);
}
}
att.Read(out mBezierWidth);
att.Read(out mBezierHeight);
}
break;
}
att.EndRead();
}
}
public void Clear()
{
if (BezierPoints.Count > 0)
{
BezierPoints.Clear();
}
if (_lstCtrPoints.Count > 0)
{
_lstCtrPoints.Clear();
}
}
