internal GeoLine ToGeoLine()
{
if (this.Parts != null)
{
List<Point2DCollection> pss = new List<Point2DCollection>();
Point2DCollection copy = new Point2DCollection();
foreach (Point2D item in this.Points)
{
copy.Add(item);
}
for (int i = 0; i < this.Parts.Count; i++)
{
Point2DCollection temp = new Point2DCollection();
for (int j = 0; j < this.Parts[i]; j++)
{
temp.Add(copy[j]);
}
pss.Add(temp);
copy.RemoveRange(0, this.Parts[i]);
}
GeoLine line = new GeoLine();
foreach (Point2DCollection item in pss)
{
line.Parts.Add(item);
}
return line;
}
return null;
}
/// <summary>${WP_core_GeoLine_method_clone_D}</summary>
public override Geometry Clone()
{
GeoLine line = new GeoLine();
if (this.Parts != null)
{
foreach (Point2DCollection points in this.Parts)
{
if (points != null)
{
Point2DCollection item = new Point2DCollection();
foreach (Point2D point in points)
{
if (point != null)
{
item.Add(point.Clone());
}
}
line.Parts.Add(item);
continue;
}
line.Parts.Add(null);
}
}
return line;
}
/// <summary>${WP_utility_Extensions_method_ToGeoLine_D}</summary>
public static GeoLine ToGeoLine(this PolylineElement polylineElement)
{
if (polylineElement != null && polylineElement.Point2Ds != null && polylineElement.Point2Ds.Count > 0)
{
GeoLine line = new GeoLine();
line.Parts.Add(polylineElement.Point2Ds.Clone());
return line;
}
return null;
}
internal GeoLine Clip(GeoLine line)
{
GeoLine newLine = new GeoLine();
foreach (Point2DCollection points in line.Parts)
{
IList<Point2DCollection> list = this.ClipPointCollection(points, this.boundary);
if ((list != null) && (list.Count > 0))
{
foreach (Point2DCollection points2 in list)
{
newLine.Parts.Add(points2);
}
continue;
}
}
return newLine;
}
private void Init(Point2D firstPoint)
{
if (_isInited)
{
return;
}
Deactivate();
_line = new Feature();
GeoLine line = new GeoLine();
line.Parts = new System.Collections.ObjectModel.ObservableCollection<Point2DCollection>();
line.Parts.Add(_points);
PredefinedLineStyle style = new PredefinedLineStyle();
style.Stroke = new SolidColorBrush(Colors.Red);
style.StrokeThickness = 2;
style.Symbol = PredefinedLineStyle.LineSymbol.Solid;
_line.Geometry = line;
_line.Style = style;
_fLayer.AddFeature(_line);
TextBlock first = new TextBlock();
_distanceList.Add(first);
first.FontWeight = FontWeights.ExtraBlack;
first.Foreground = new SolidColorBrush(Colors.Black);
first.Text = "起点";
_eLayer.AddChild(first, firstPoint);
_points.Add(firstPoint);
_distances.Add(0);
_isInited = true;
}
//预留接口
private static GeoLine ToGeoLine(XElement xe)
{
GeoLine line = new GeoLine();
return line;
}
private void endDraw(bool isDblClick = false, bool isCancel = false)
{
if (points != null)
{
if (isDblClick)
{
points.RemoveAt(points.Count - 1);
}
PolylineElement pLine = new PolylineElement()
{
Point2Ds = this.points.Clone(),
#region 所有风格的控制
Stroke = this.Stroke,
StrokeThickness = this.StrokeThickness,
StrokeMiterLimit = this.StrokeMiterLimit,
StrokeDashOffset = this.StrokeDashOffset,
StrokeDashArray = this.StrokeDashArray,
StrokeDashCap = this.StrokeDashCap,
StrokeEndLineCap = this.StrokeEndLineCap,
StrokeLineJoin = this.StrokeLineJoin,
StrokeStartLineCap = this.StrokeStartLineCap,
Opacity = this.Opacity,
Fill = this.Fill,
FillRule = this.FillRule
#endregion
};
GeoLine geoLine = new GeoLine();//构造返回的Geometry
geoLine.Parts.Add(points);
DrawEventArgs args = new DrawEventArgs
{
DrawName = Name,
Element = pLine, //Element = this.polyline //直接返回是固定像素的
Geometry = geoLine,
Canceled = isCancel
};
Deactivate();
OnDrawCompleted(args);
}
}
//添加虚拟线；
private void addHoverLineSegment(Point2D p0 , Point2D p1 , int index0 , int index1 , Feature feature , Point2DCollection points , int partIndex)
{
GeoLine line = new GeoLine();
line.Parts.Add(new Point2DCollection() { p0 , p1 });
Feature segment = new Feature() { Geometry = line , Style = hoverLineStyle };
segment.SetZIndex(1);
segment.Attributes.Add("Point2DCollection" , points);
segment.Attributes.Add("Feature" , feature);
segment.Attributes.Add("Index0" , index0);
segment.Attributes.Add("Index1" , index1);
segment.Attributes.Add("PartIndex" , partIndex);
hoverLayer.Features.Add(segment);
}
