private void Activate()
{
if (Map == null || Map.Layers == null)
{
return;
}
polygon = new PolygonElement();
#region 所有风格的控制
polygon.Stroke = Stroke;
polygon.StrokeThickness = StrokeThickness;
polygon.StrokeMiterLimit = StrokeMiterLimit;
polygon.StrokeDashOffset = StrokeDashOffset;
polygon.StrokeDashArray = StrokeDashArray;
polygon.StrokeDashCap = StrokeDashCap;
polygon.StrokeEndLineCap = StrokeEndLineCap;
polygon.StrokeLineJoin = StrokeLineJoin;
polygon.StrokeStartLineCap = StrokeStartLineCap;
polygon.Opacity = Opacity;
polygon.Fill = Fill;
polygon.FillRule = FillRule;
#endregion
points = new Point2DCollection();
polygon.Point2Ds = points;
points.Add(startPt);
DrawLayer = new ElementsLayer();
Map.Layers.Add(DrawLayer);
DrawLayer.Children.Add(polygon);
isActivated = true;
isDrawing = true;
}
private void Activate(Point2D firstPoint)
{
if (Map == null || Map.Layers == null)
{
return;
}
DrawLayer = new ElementsLayer();
Map.Layers.Add(DrawLayer);
_startPoint = firstPoint;
_polygon = new PolygonElement();
#region 所有风格的控制
_polygon.Stroke = this.Stroke;
_polygon.StrokeThickness = this.StrokeThickness;
_polygon.StrokeMiterLimit = this.StrokeMiterLimit;
_polygon.StrokeDashOffset = this.StrokeDashOffset;
_polygon.StrokeDashArray = this.StrokeDashArray;
_polygon.StrokeDashCap = this.StrokeDashCap;
_polygon.StrokeEndLineCap = this.StrokeEndLineCap;
_polygon.StrokeLineJoin = this.StrokeLineJoin;
_polygon.StrokeStartLineCap = this.StrokeStartLineCap;
_polygon.Opacity = this.Opacity;
_polygon.Fill = this.Fill;
_polygon.FillRule = this.FillRule;
#endregion
_points = new Point2DCollection();
_polygon.Point2Ds = _points;
_points.Add(firstPoint);
_pointsCount++;
_points.Add(firstPoint.Clone());
_pointsCount++;
DrawLayer.Children.Add(_polygon);
_isActivated = true;
}
private void Activate(Point2D firstPoint)
{
_polygon = new PolygonElement();
_textBlockContainer = new List<TextBlock>();
#region 所有风格的控制
_polygon.Stroke = Stroke;
_polygon.StrokeThickness = StrokeThickness;
_polygon.StrokeMiterLimit = StrokeMiterLimit;
_polygon.StrokeDashOffset = StrokeDashOffset;
_polygon.StrokeDashArray = StrokeDashArray;
_polygon.StrokeDashCap = StrokeDashCap;
_polygon.StrokeEndLineCap = StrokeEndLineCap;
_polygon.StrokeLineJoin = StrokeLineJoin;
_polygon.StrokeStartLineCap = StrokeStartLineCap;
_polygon.Opacity = Opacity;
_polygon.Fill = Fill;
_polygon.FillRule = FillRule;
#endregion
_points = new Point2DCollection();
_polygon.Point2Ds = _points;
_points.Add(firstPoint);
_pointsCount++;
_points.Add(firstPoint.Clone());
_pointsCount++;
DrawLayer.Children.Add(_polygon);
TextBlock textBlock = new TextBlock();
textBlock.FontWeight = FontWeights.ExtraBlack;
textBlock.Foreground = new SolidColorBrush(Colors.White);
textBlock.Text = "起点";
_textBlockContainer.Add(textBlock);
DrawLayer.AddChild(textBlock, firstPoint);
_isActivated = true;
}
private void Complete()
{
_points = null;
_isActivated = false;
_pointsCount = 0;
_polygon = null;
_textBlockContainer = null;
}
public override void OnPointerReleased(PointerRoutedEventArgs e)
{
if (this.points != null)
{
GeoRegion geoRegion = new GeoRegion();
points.Add(a0);
geoRegion.Parts.Add(points);
PolygonElement pPen = new PolygonElement()
{
Point2Ds = points,
#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
};
DrawEventArgs args2 = new DrawEventArgs
{
DrawName = Name,
Element = pPen,
Geometry = geoRegion
};
Deactivate();
OnDrawComplete(args2);
}
e.Handled = true;
base.OnPointerReleased(e);
}
public override void Deactivate()
{
isActivated = false;
isDrawing = false;
oldPentagrams = null;
pentagram = null;
points = null;
if (DrawLayer != null)
{
DrawLayer.Children.Clear();
}
if (Map != null)
{
Map.Layers.Remove(DrawLayer);
}
}
private void Activate()
{
pentagram = new PolygonElement();
#region 所有风格的控制
pentagram.Stroke = this.Stroke;
pentagram.StrokeThickness = this.StrokeThickness;
pentagram.Fill = this.Fill;
pentagram.FillRule = this.FillRule;
pentagram.Opacity = this.Opacity;
pentagram.StrokeMiterLimit = this.StrokeMiterLimit;
pentagram.StrokeDashOffset = this.StrokeDashOffset;
pentagram.StrokeDashArray = this.StrokeDashArray;
pentagram.StrokeDashCap = this.StrokeDashCap;
pentagram.StrokeEndLineCap = this.StrokeEndLineCap;
pentagram.StrokeLineJoin = this.StrokeLineJoin;
pentagram.StrokeStartLineCap = this.StrokeStartLineCap;
#endregion
a0 = new Point2D();
a1 = new Point2D();
a2 = new Point2D();
a3 = new Point2D();
a4 = new Point2D();
points = new Point2DCollection();
pentagram.Point2Ds = points;
oldPentagrams = new List<PolygonElement>();
DrawLayer = new ElementsLayer();
Map.Layers.Add(DrawLayer);
isActivated = true;
isDrawing = true;
}
/// <summary>${ui_action_DrawPolygon_method_deactivate_D}</summary>
public override void Deactivate()
{
_isActivated = false;
_polygon = null;
_points = null;
_pointsCount = 0;
_startPoint = Point2D.Empty;
if (DrawLayer != null)
{
DrawLayer.Children.Clear();
}
if (Map != null && Map.Layers != null)
{
Map.Layers.Remove(DrawLayer);
}
}
private void endDraw(bool isCancel = false)
{
if (_points != null)
{
while (_points.Count > _pointsCount)
{
_points.RemoveAt(_points.Count - 2);
}
PolygonElement pRegion = new PolygonElement()
{
Point2Ds = _points.Clone(),//不克隆，在返回后还与下面的GeoRegion指向一个内存地址
#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
};//构造返回Element对象
GeoRegion geoRegion = new GeoRegion();//构造返回的Geometry
geoRegion.Parts.Add(_points);
DrawEventArgs args = new DrawEventArgs
{
DrawName = Name,
Element = pRegion, //Element = this.polyline //直接返回是固定像素的
Geometry = geoRegion,
Canceled = isCancel
};
Deactivate();
OnDrawCompleted(args);
}
}
void MyMap_ViewBoundsChanged(object sender, ViewBoundsEventArgs e)
{
#region Ellipse
Ellipse myellipse = new Ellipse();
myellipse.Fill = new SolidColorBrush(Colors.Red);
Rectangle2D ellbounds = new Rectangle2D(119.5, 21, 122.5, 26);
this.elementsLayer.AddChild(myellipse, ellbounds);
MyEllipseStory.Stop();
Storyboard.SetTarget(myDoubleAnimation, myellipse);
MyEllipseStory.Begin();
#endregion
#region Pushpin
Pushpin beijing = new Pushpin();
beijing.Location = new Point2D(116.2, 39.6);
this.elementsLayer.AddChild(beijing);
Pushpin ulanBator = new Pushpin();
ulanBator.Location = new Point2D(106.5, 47.6);
ulanBator.Background = new SolidColorBrush(Colors.Blue);
this.elementsLayer.AddChild(ulanBator);
Pushpin moscow = new Pushpin();
moscow.Location = new Point2D(37.4, 55.5);
moscow.Background = new SolidColorBrush(Colors.Yellow);
this.elementsLayer.AddChild(moscow);
Pushpin prague = new Pushpin();
prague.Location = new Point2D(14.3, 50.1);
prague.Background = new SolidColorBrush(Colors.Orange);
this.elementsLayer.AddChild(prague);
Pushpin berlin = new Pushpin();
berlin.Location = new Point2D(13.3, 52.3);
berlin.Background = new SolidColorBrush(Colors.Purple);
this.elementsLayer.AddChild(berlin);
#endregion
#region Polylinebase
PolygonElement line = new PolygonElement();
line.Stroke = new SolidColorBrush(Colors.Yellow);
line.StrokeThickness = 3;
line.Opacity = 1;
line.StrokeDashArray = new DoubleCollection { 3, 3 };
line.StrokeEndLineCap = PenLineCap.Triangle;
Point2DCollection points = new Point2DCollection();
points.Add(new Point2D(121.3, 25));
points.Add(new Point2D(116.2, 39.6));
points.Add(new Point2D(106.5, 47.6));
points.Add(new Point2D(37.4, 55.5));
points.Add(new Point2D(14.3, 50.1));
points.Add(new Point2D(13.3, 52.3));
points.Add(new Point2D(0.1, 51.3));
line.Point2Ds = points;
this.elementsLayer.AddChild(line);
#endregion
#region PolygonElement
PolygonElement polygon = new PolygonElement();
polygon.Stroke = new SolidColorBrush(Colors.Purple);
polygon.Opacity = 0.5;
polygon.Fill = this.British;
Point2DCollection gonpoints = new Point2DCollection();
gonpoints.Add(new Point2D(-8, 61));
gonpoints.Add(new Point2D(-6, 55));
gonpoints.Add(new Point2D(-8, 50));
gonpoints.Add(new Point2D(2, 50));
gonpoints.Add(new Point2D(1, 61));
polygon.Point2Ds = gonpoints;
this.elementsLayer.AddChild(polygon);
#endregion
#region Button
Button btn = new Button();
btn.Content = "点击";
Brush btnbackground = new SolidColorBrush(Colors.Blue);
btn.SetValue(Button.BackgroundProperty, btnbackground);
btn.Click += new RoutedEventHandler(btn_Click);
Rectangle2D btnbounds = new Rectangle2D(95, 29, 115, 43);
btn.SetValue(ElementsLayer.BBoxProperty, btnbounds);
this.elementsLayer.AddChild(btn);
#endregion
MyMap.ViewBoundsChanged -= MyMap_ViewBoundsChanged;
}
/// <summary>${ui_action_DrawFreePolygon_method_deactivate_D}</summary>
public override void Deactivate()
{
isActivated = false;
isDrawing = false;
polygon = null;
points = null;
if (DrawLayer != null)
{
DrawLayer.Children.Clear();
}
if (Map != null && Map.Layers != null)
{
Map.Layers.Remove(DrawLayer);
}
}
private void endDraw(bool isCancel = false)
{
if (points != null)
{
PolygonElement pRegion = new PolygonElement()
{
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
};
GeoRegion geoRegion = new GeoRegion();//构造返回的Geometry
points.Add(startPt);//需要添加起始点做为最后一个点
geoRegion.Parts.Add(points);
DrawEventArgs args = new DrawEventArgs
{
DrawName = Name,
Element = pRegion,
Geometry = geoRegion,
Canceled = isCancel
};
Deactivate();
OnDrawCompleted(args);
}
}
