public void GenerateBezierPath(PathPreviewAlgorithms pathPreview)
{
BezierHandle prevBezierHandle = null;
bool firstMove = true;
foreach (var aBezierHandle in this.BezierHandleList)
{
if (prevBezierHandle == null)
{
prevBezierHandle = aBezierHandle;
continue;
}
if (firstMove)
{
this.InProgressPath.MoveTo(prevBezierHandle.AnchorPoint);
firstMove = false;
}
this.InProgressPath.CubicTo(
prevBezierHandle.MouseControlPoint,
aBezierHandle.TheOtherControlPoint,
aBezierHandle.AnchorPoint);
prevBezierHandle = aBezierHandle;
}
if (pathPreview == PathPreviewAlgorithms.LinearClose)
{
this.InProgressPath.Close();
}
else if (pathPreview == PathPreviewAlgorithms.Close)
{
this.InProgressPath.CubicTo(
this.BezierHandleList.Last().MouseControlPoint,
this.BezierHandleList.First().TheOtherControlPoint,
this.BezierHandleList.First().AnchorPoint);
this.InProgressPath.Close();
}
}
private void PathPreviewPickerChanged(object sender, EventArgs e)
{
switch (pathPreviewPicker.SelectedItem as string)
{
default:
case "Open":
this.pathPreview = PathPreviewAlgorithms.Open;
break;
case "LinearClose":
this.pathPreview = PathPreviewAlgorithms.LinearClose;
break;
case "Close":
this.pathPreview = PathPreviewAlgorithms.Close;
break;
}
//保存
SaveProperties.PathPreviewAlgorithms = pathPreviewPicker.SelectedIndex;
pathPreviewCanvasView.InvalidateSurface();
}
