//比较计算后bounds和每个bounds的相交
private bool computeIntersectWithAll(Rectangle2D bounds)
{
var boundsCollection = (Layer as ElementsLayer).BoundsCollection.Values;
foreach (Rectangle2D rect in boundsCollection)
{
if (rect != null)
{
if (bounds.IntersectsWith(rect))
{
return true;
}
}
}
foreach (Rectangle2D rect in orignalBounds)
{
if (rect != null)
{
if (bounds.IntersectsWith(rect))
{
return true;
}
}
}
return false;
}
private void coll_PointChanged(object sender, EventArgs e)
{
if (this.Parts.Contains(sender as Point2DCollection))
{
savedBounds = new Rectangle2D();
base.RaiseGeometryChanged();
}
}
private void Parts_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.OldItems != null)
{
RemoveGeoPointCollectionEvents(e.OldItems);
}
if (e.NewItems != null)
{
AddGeoPointCollectionEvents(e.NewItems);
}
savedBounds = new Rectangle2D();
base.RaiseGeometryChanged();
}
/// <summary>${WP_mapping_HeatMapLayer_constructor_None_D}</summary>
public HeatMapLayer()
{
heatPoints = new HeatPointCollection();
heatPoints.CollectionChanged += new NotifyCollectionChangedEventHandler(heatPoints_CollectionChanged);
fullBounds = Rectangle2D.Empty;
//设置GradientStops的默认值
GradientStopCollection stops = new GradientStopCollection();
stops.Add(new GradientStop() { Color = Color.FromArgb(0, 0, 0, 0), Offset = 0 });
stops.Add(new GradientStop() { Color = new Color() { A = 0xff, R = 0xff, G = 0x42, B = 0x00 }, Offset = 0.75 });
stops.Add(new GradientStop() { Color = new Color() { A = 0xff, R = 0xff, G = 0xff, B = 0x00 }, Offset = .5 });
stops.Add(new GradientStop() { Color = new Color() { A = 0xff, R = 0x1a, G = 0xa4, B = 0x03 }, Offset = .25 });
GradientStops = stops;
//初始化后台线程
worker = new BackgroundWorker { WorkerReportsProgress = true, WorkerSupportsCancellation = true };
worker.ProgressChanged += new ProgressChangedEventHandler(worker_ProgressChanged);
worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(worker_RunWorkerCompleted);
worker.DoWork += new DoWorkEventHandler(worker_DoWork);
}
/// <summary>${ui_action_MapAction_event_onMouseUp_D}</summary>
/// <param name="e">${ui_action_MapAction_event_onMouseUp_param_e}</param>
public override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
{
if (Rectangle == null)
{
return;
}
Rectangle2D zoomBounds = (Rectangle2D)Rectangle.GetValue(ElementsLayer.BBoxProperty);
if (zoomBounds.IsEmpty || zoomBounds.Width == 0.0 || zoomBounds.Height == 0.0)
{
return;
}
Point2D center = zoomBounds.Center;
Rectangle2D currentBounds = Map.ViewBounds;
double whRatioCurrent = currentBounds.Width / currentBounds.Height;
double whRatioZoomBox = zoomBounds.Width / zoomBounds.Height;
Rectangle2D newBounds = Rectangle2D.Empty;
if (whRatioZoomBox > whRatioCurrent) // use width
{
double multiplier = currentBounds.Width / zoomBounds.Width;
double newWidth = currentBounds.Width * multiplier;
newBounds = new Rectangle2D(new Point2D(center.X - (newWidth / 2), center.Y - (newWidth / 2)),
new Point2D(center.X + (newWidth / 2), center.Y + (newWidth / 2)));
}
else// use height
{
double multiplier = currentBounds.Height / zoomBounds.Height;
double newHeight = currentBounds.Height * multiplier;
newBounds = new Rectangle2D(new Point2D(center.X - (newHeight / 2), center.Y - (newHeight / 2)),
new Point2D(center.X + (newHeight / 2), center.Y + (newHeight / 2)));
}
if (!newBounds.IsEmpty)
{
Map.ZoomTo(newBounds);
}
base.OnMouseLeftButtonUp(e);
}
private static Rectangle2D StringToRectangle2D(string value)
{
if (string.IsNullOrEmpty(value))
{
return Rectangle2D.Empty;
}
string[] array = value.Split(new char[] { ',', ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (array.Length != 4)
{
return Rectangle2D.Empty;
}
bool success = true;
double[] valuesArray = new double[4];
for (int i = 0; i < 4; i++)
{
double convertValue = 0;
if (!double.TryParse(array[i], out convertValue))
{
success = false;
break;
}
else
{
valuesArray[i] = convertValue;
}
}
if (success)
{
Rectangle2D rectangle = new Rectangle2D(valuesArray[0], valuesArray[1], valuesArray[2], valuesArray[3]);
return rectangle;
}
else
{
return Rectangle2D.Empty;
}
}
//由bounds获取tile的起始和结束行列号
//[startColumn,startRow,endColumn,endRow] //Returns [0,0,-1,-1] if fails
private int[] GetTileSpanWithin(Rectangle2D bounds, double resolution)
{
Rectangle2D temp = bounds.Intersect(this.Bounds);
if (!Rectangle2D.IsNullOrEmpty(temp))
{
double x = this.Origin.X;
double y = this.Origin.Y;
int startColumn = (int)Math.Floor((double)(((temp.Left - x) + (resolution * 0.5)) / (resolution * this.TileSize)));
int startRow = (int)Math.Floor((double)(((y - temp.Top) + (resolution * 0.5)) / (resolution * this.TileSize)));
int endColumn = (int)Math.Floor((double)(((temp.Right - x) - (resolution * 0.5)) / (resolution * this.TileSize)));
int endRow = (int)Math.Floor((double)(((y - temp.Bottom) - (resolution * 0.5)) / (resolution * this.TileSize)));
return new int[] { startColumn, startRow, endColumn, endRow };
}
return new int[4] { 0, 0, -1, -1 };
}
private void RaiseTileLoad(Tile tile, Rectangle2D bounds)
{
if (TileLoaded != null)
{
TileLoadEventArgs loadTileArgs = new TileLoadEventArgs();
loadTileArgs.Column = tile.Column;
loadTileArgs.Level = tile.Level;
loadTileArgs.Row = tile.Row;
loadTileArgs.Bounds = bounds;
TileLoaded(this, loadTileArgs);
}
}
private void UpdateFullBounds(IEnumerable items)
{
foreach (object obj2 in items)
{
UIElement element = (UIElement)obj2;
Rectangle2D rect2D = GetBBox(element);
if (element is ShapeElement)
{
rect2D = ((ShapeElement)element).Bounds;
}
if (Rectangle2D.IsNullOrEmpty(fullBounds))
{
fullBounds = rect2D;
}
else
{
fullBounds=fullBounds.Union(rect2D);
}
}
}
protected override Size ArrangeOverride(Size finalSize)
{
double resolution = this.Resolution;
Point2D origin = new Point2D(this.OriginX, this.OriginY);
Rectangle2D clipBox = new Rectangle2D(
origin.X - (resolution * 4191.0),
origin.Y - (resolution * 4191.0),
origin.X + (resolution * 4191.0),
origin.Y + (resolution * 4191.0));
if (this.Layer is ElementsLayer) (Layer as ElementsLayer).BoundsCollection.Clear();
if (this.Layer is ElementsLayer) orignalBounds.Clear();
bool istrue = this.Layer is ElementsLayer ? (this.Layer as ElementsLayer).IsAutoAvoidance : false;
if (istrue)
{
foreach (UIElement element in base.Children)
{
Rectangle2D b = GetBounds(element);
double referenceLength = (Layer as ElementsLayer).GetReferenceLength(element) * resolution;
if (b.BottomLeft == b.TopRight)
{
b = new Rectangle2D(b.Left - (referenceLength) / 2, b.Bottom - (element.DesiredSize.Height * resolution) / 2,
b.Left + (referenceLength) / 2, b.Bottom + (element.DesiredSize.Height * resolution) / 2);
}
orignalBounds.Add(b);
}
}
foreach (UIElement element in base.Children)
{
if (element.Visibility != Visibility.Visible)
{
continue;
}
if (element is FeatureElement)
{
this.ArrangeFeature(element as FeatureElement, clipBox);
continue;
}
if (element is ShapeElement)
{
this.ArrangeShapeBase(element as ShapeElement, clipBox);
continue;
}
Rectangle2D b = GetBounds(element);
if (istrue)
{
if (b.BottomLeft == b.TopRight)
{
b = new Rectangle2D(b.Left - (element.DesiredSize.Width * resolution) / 2, b.Bottom - (element.DesiredSize.Height * resolution) / 2,
b.Left + (element.DesiredSize.Width * resolution) / 2, b.Bottom + (element.DesiredSize.Height * resolution) / 2);
}
bool isIntersect;
bool isGetNewBounds;
double referenceLength = (Layer as ElementsLayer).GetReferenceLength(element) * resolution;
Size referenceSize = (Layer as ElementsLayer).GetReferenceSize(element);
b = isBoundsChange(b, referenceLength, referenceSize, out isIntersect, out isGetNewBounds);
if (isIntersect)
{
if (isGetNewBounds)
{
(element as UIElement).Opacity = 1;
}
else
{
(element as UIElement).Opacity = 0;
}
}
else
{
(element as UIElement).Opacity = 1;
}
(Layer as ElementsLayer).BoundsCollection.Add(element, b);
}
if (!Rectangle2D.IsNullOrEmpty(b))
{
double pixelX = (b.Left - origin.X) / resolution;
double pixelY = (origin.Y - b.Top) / resolution;
double pixelWidth = b.Width / resolution;
double pixelHeight = b.Height / resolution;
//&&
if (this.Layer is TiledLayer)
{
pixelWidth++;
pixelHeight++;
element.UseLayoutRounding = false;
}
if (((!double.IsInfinity(pixelWidth) && !double.IsInfinity(pixelHeight)) && (!double.IsInfinity(pixelX) && !double.IsInfinity(pixelY))) && ((!double.IsNaN(pixelWidth) && !double.IsNaN(pixelHeight)) && (!double.IsNaN(pixelX) && !double.IsNaN(pixelY))))
{
double width;
double height;
if (((element is FrameworkElement) && (pixelWidth != 0.0)) && (pixelHeight != 0.0))
{
(element as FrameworkElement).Width = pixelWidth;
(element as FrameworkElement).Height = pixelHeight;
}
if ((pixelWidth != 0.0) || (pixelHeight != 0.0))
{
element.Arrange(new Rect(pixelX, pixelY, pixelWidth, pixelHeight));
continue;
}
//相当于左上，右下，中心等位置的设定。
//设在某个点，bbox的宽和高都是0，比如pushpin\textbox等
switch (((HorizontalAlignment)element.GetValue(FrameworkElement.HorizontalAlignmentProperty)))
{
case HorizontalAlignment.Left:
width = element.DesiredSize.Width;
break;
case HorizontalAlignment.Right:
width = 0.0;
break;
default:
width = element.DesiredSize.Width * 0.5;
break;
}
switch (((VerticalAlignment)element.GetValue(FrameworkElement.VerticalAlignmentProperty)))
{
case VerticalAlignment.Top:
height = element.DesiredSize.Height;
break;
case VerticalAlignment.Bottom:
height = 0.0;
break;
default:
height = element.DesiredSize.Height * 0.5;
break;
}
element.Arrange(new Rect(new Point(pixelX - width, pixelY - height), element.DesiredSize));
}
}
}
return base.ArrangeOverride(finalSize);
}
/// <summary>${WP_core_Rectangle2D_method_containsRectangle2D_D}</summary>
/// <returns>${WP_core_Rectangle2D_method_containsRectangle2D_return_sl}</returns>
/// <param name="rect">${WP_core_Rectangle2D_method_containsRectangle2D_param_rect}</param>
public bool Contains(Rectangle2D rect)
{
if (Rectangle2D.IsNullOrEmpty(rect))
{
return false;
}
return (this.Left <= rect.Left) && (rect.Right <= this.Right) && (this.Bottom <= rect.Bottom) && (rect.Top <= this.Top);
}
/// <summary>${WP_core_Rectangle2D_method_union_Rectangle2D_D}</summary>
/// <param name="rect">${WP_core_Rectangle2D_method_union_Rectangle2D_param_rect}</param>
/// <returns>${WP_core_Rectangle2D_method_union_return}</returns>
public Rectangle2D Union(Rectangle2D rect)
{
if (Rectangle2D.IsNullOrEmpty(rect))
{
return this.Clone();
}
if (Rectangle2D.IsNullOrEmpty(this))
{
return rect;
}
else
{
double minLeft = Math.Min(this.Left, rect.Left);
double minBottom = Math.Min(this.Bottom, rect.Bottom);
double maxRight = Math.Max(this.Right, rect.Right);
double maxTop = Math.Max(this.Top, rect.Top);
Rectangle2D clone = this.Clone();
clone._width = Math.Max((double)(maxRight - minLeft), (double)0.0);
clone._height = Math.Max((double)(maxTop - minBottom), (double)0.0);
clone._x = minLeft;
clone._y = minBottom;
return clone;
}
}
/// <summary>${WP_core_Rectangle2D_method_intersectsWith_D}</summary>
/// <returns>${WP_core_Rectangle2D_method_intersectsWith_return}</returns>
/// <param name="rect">${WP_core_Rectangle2D_method_intersectsWith_param_rect}</param>
public bool IntersectsWith(Rectangle2D rect)
{
if ((this._width < 0.0) || (rect.Width < 0.0))
{
return false;
}
return (rect.Left <= this.Right) && (rect.Right >= this.Left) && (rect.Bottom <= this.Top) && (rect.Top >= this.Bottom);
}
public static void SetBounds(DependencyObject o, Rectangle2D value)
{
o.SetValue(BoundsProperty, value);
}
internal GeoLineClip(Rectangle2D clipBox)
{
this.boundary = clipBox;
}
//对于SL自带的Rectangle暂不做处理
private void SetClipShapeBase(ShapeElement sb, Rectangle2D clipBox)
{
Rectangle2D bounds = sb.Point2Ds.GetBounds();
if ((Rectangle2D.IsNullOrEmpty(bounds)) || ((bounds.Width / this.Resolution) < 16383.5))
{
if (sb.ClippedPoint2Ds != null)
{
sb.ClearClip();
}
}
else if (((Rectangle2D.IsNullOrEmpty(sb.ClipBox)) || !clipBox.Within(sb.ClipBox)) || ((sb.ClipBox.Width / this.Resolution) >= 16383.5))
{
if (sb is PolygonElement)
{
sb.SetClip(new PolygonElementClip(clipBox).Clip(sb.Point2Ds), clipBox);
}
else if (sb is PolylineElement)
{
sb.SetClip(new PolylineElementClip(clipBox).Clip(sb.Point2Ds), clipBox);
}
}
}
//int最大值32765的一半16382.5,最大支持16383
private void SetClip(FeatureElement fe, Rectangle2D clipBox)
{
Rectangle2D bounds = fe.Geometry.Bounds;
if ((Rectangle2D.IsNullOrEmpty(bounds)) || ((bounds.Width / this.Resolution) < 16383.5))
{
if (fe.ClippedGeometry != null)
{
fe.ClearClip();
}
}
else if (((Rectangle2D.IsNullOrEmpty(fe.ClipBox)) || !clipBox.Within(fe.ClipBox)) || ((fe.ClipBox.Width / this.Resolution) >= 16383.5))
{
if (fe.Geometry is GeoRegion)
{
fe.SetClip(new GeoRegionClip(clipBox).Clip(fe.Geometry as GeoRegion), clipBox);
}
else if (fe.Geometry is GeoLine)
{
fe.SetClip(new GeoLineClip(clipBox).Clip(fe.Geometry as GeoLine), clipBox);
}
}
}
private void ArrangeFeature(FeatureElement elm, Rectangle2D clipBox)
{
if (elm.Visibility != Visibility.Collapsed)
{
Rectangle2D b = GetBounds(elm);
if (!Rectangle2D.IsNullOrEmpty(b))
{
double x = (b.Left - this.Origin.X) / this.Resolution;
double y = (this.Origin.Y - b.Top) / this.Resolution;
if (((b.Width > 0.0) || (b.Height > 0.0)) && (elm.PathGeometry != null))
{
double ratio = elm.Resolution / this.Resolution;
this.SetClip(elm, clipBox);
if (elm.ClippedGeometry != null)
{
b = elm.ClippedGeometry.Bounds;
if (Rectangle2D.IsNullOrEmpty(b))
{
return;
}
x = (b.Left - this.Origin.X) / this.Resolution;
y = (this.Origin.Y - b.Top) / this.Resolution;
}
if (elm.PathGeometry.Transform is ScaleTransform)
{
(elm.PathGeometry.Transform as ScaleTransform).ScaleX = (elm.PathGeometry.Transform as ScaleTransform).ScaleY = ratio;
}
else
{
elm.PathGeometry.Transform = new ScaleTransform { ScaleX = ratio, ScaleY = ratio };
}
double num4 = ((b.Width / elm.Resolution) * ratio) + 10.0;
double num5 = ((b.Height / elm.Resolution) * ratio) + 10.0;//这也已经加了10.0
num4 = Math.Min(32000.0, num4);
num5 = Math.Min(32000.0, num5);
elm.Arrange(new Rect(x, y, num4, num5));
}
else
{
elm.Arrange(new Rect(new Point(x, y), elm.DesiredSize));
}
}
}
}
private void ArrangeShapeBase(ShapeElement sb, Rectangle2D clipBox)
{
if (sb.Visibility != Visibility.Collapsed)
{
Rectangle2D b = GetBounds(sb);
if (!Rectangle2D.IsNullOrEmpty(b))
{
double x = (b.Left - this.Origin.X) / this.Resolution;
double y = (this.Origin.Y - b.Top) / this.Resolution;
if (((b.Width > 0.0) || (b.Height > 0.0)) && (sb.Point2Ds != null))
{
double ratio = sb.Resolution / this.Resolution;
this.SetClipShapeBase(sb, clipBox);
if (sb.ClippedPoint2Ds != null)
{
b = sb.ClippedPoint2Ds.GetBounds();
if (Rectangle2D.IsNullOrEmpty(b))
{
return;
}
x = (b.Left - this.Origin.X) / this.Resolution;
y = (this.Origin.Y - b.Top) / this.Resolution;
}
if (sb.EncapsulatedShape.RenderTransform is ScaleTransform)
{
(sb.EncapsulatedShape.RenderTransform as ScaleTransform).ScaleX = (sb.EncapsulatedShape.RenderTransform as ScaleTransform).ScaleY = ratio;
}
else
{
sb.EncapsulatedShape.RenderTransform = new ScaleTransform { ScaleX = ratio, ScaleY = ratio };
}
double num4 = b.Width / sb.Resolution * ratio + 10.0;
double num5 = b.Height / sb.Resolution * ratio + 10.0;
num4 = Math.Min(32000.0, num4);
num5 = Math.Min(32000.0, num5);
sb.Arrange(new Rect(x, y, num4, num5));
}
else
{
sb.Arrange(new Rect(new Point(x, y), sb.DesiredSize));
}
}
}
}
/// <summary>
/// ${WP_core_Rectangle2D_method_IsNullOrEmpty_D}
/// </summary>
/// <param name="rect">${WP_core_Rectangle2D_method_IsNullOrEmpty_param_rect}</param>
/// <returns>${WP_core_Rectangle2D_method_IsNullOrEmpty_return}</returns>
public static bool IsNullOrEmpty(Rectangle2D rect)
{
if (rect == null)
{
return true;
}
if (rect._x.ValueCheck() && rect._y.ValueCheck() && rect._width.ValueCheck() && rect._height.ValueCheck())
{
return false;
}
if (rect._width < 0.0 || rect._height < 0.0)
{
return true;
}
return true;
}
/// <summary>${WP_core_Rectangle2D_method_equals_D}</summary>
/// <returns>${WP_core_Rectangle2D_method_equals_return}</returns>
/// <overloads>${WP_core_Rectangle2D_method_equals_overloads}</overloads>
/// <param name="rectangle">${WP_core_Rectangle2D_method_equals_param_rectangle}</param>
public bool Equals(Rectangle2D rectangle)
{
return (this == rectangle);
}
//获取是否需要变换bounds 以及bounds是否可以变换
private Rectangle2D isBoundsChange(Rectangle2D bounds, double referenceLength, Size referenceSize, out bool isIntersect, out bool isGetNewBounds)
{
//初始化要修改的范围
isIntersect = false;
isGetNewBounds = false;
var boundsCollection = (Layer as ElementsLayer).BoundsCollection.Values;
var radius = referenceLength * 0.7;
Rectangle2D newBounds = new Rectangle2D();
if (referenceSize.Width == 0 && referenceSize.Height == 0)
{
referenceSize.Width = bounds.Width;
referenceSize.Height = bounds.Height;
}
else
{
referenceSize.Width *= this.Resolution;
referenceSize.Height *= this.Resolution;
}
for (int i = 0; i < 8; i++)
{
switch (i)
{
case 0:
newBounds = new Rectangle2D(bounds.Left + referenceSize.Width / 2, bounds.Bottom + radius, bounds.Right + referenceSize.Width / 2, bounds.Top + radius);
break;
case 1:
newBounds = new Rectangle2D(bounds.Left + referenceSize.Width / 2 + radius, bounds.Bottom, bounds.Right + referenceSize.Width / 2 + radius, bounds.Top);
break;
case 2:
newBounds = new Rectangle2D(bounds.Left + referenceSize.Width / 2, bounds.Bottom - radius, bounds.Right + referenceSize.Width / 2, bounds.Top - radius);
break;
case 3:
newBounds = new Rectangle2D(bounds.Left, bounds.Bottom - radius, bounds.Right, bounds.Top - radius);
break;
case 4:
newBounds = new Rectangle2D(bounds.Left - referenceSize.Width / 2, bounds.Bottom - radius, bounds.Right - referenceSize.Width / 2, bounds.Top - radius);
break;
case 5:
newBounds = new Rectangle2D(bounds.Left - referenceSize.Width / 2 - radius, bounds.Bottom, bounds.Right - referenceSize.Width / 2 - radius, bounds.Top);
break;
case 6:
newBounds = new Rectangle2D(bounds.Left - referenceSize.Width / 2, bounds.Bottom + radius, bounds.Right - referenceSize.Width / 2, bounds.Top + radius);
break;
case 7:
newBounds = new Rectangle2D(bounds.Left, bounds.Bottom + radius, bounds.Right, bounds.Top + radius);
break;
}
if (computeIntersectWithAll(newBounds))
{
isIntersect = true;
if (i == 1 || i == 5)
{
continue;
}
newBounds=new Rectangle2D(newBounds.Left, newBounds.Bottom + referenceSize.Height, newBounds.Right, newBounds.Top + referenceSize.Height);
if (computeIntersectWithAll(newBounds))
{
newBounds=new Rectangle2D(newBounds.Left, newBounds.Bottom - 2 * referenceSize.Height, newBounds.Right, newBounds.Top - 2 * referenceSize.Height);
if (computeIntersectWithAll(newBounds))
{
continue;
}
else
{
isGetNewBounds = true;
return newBounds;
}
}
else
{
isGetNewBounds = true;
return newBounds;
}
}
else
{
isGetNewBounds = true;
return newBounds;
}
}
return bounds;
}
/// <summary>${WP_core_Rectangle2D_method_intersect_D}</summary>
/// <param name="rect">${WP_core_Rectangle2D_method_intersect_param_rect}</param>
/// <returns>${WP_core_Rectangle2D_method_intersect_return}</returns>
public Rectangle2D Intersect(Rectangle2D rect)
{
if (!this.IntersectsWith(rect))
{
return Rectangle2D.Empty;
}
else
{
Rectangle2D clone = this.Clone();
double maxLeft = Math.Max(this.Left, rect.Left);
double maxBottom = Math.Max(this.Bottom, rect.Bottom);
clone._width = Math.Max((Math.Min(this.Right, rect.Right) - maxLeft), (double)0.0);
clone._height = Math.Max((Math.Min(this.Top, rect.Top) - maxBottom), (double)0.0);
clone._x = maxLeft;
clone._y = maxBottom;
return clone;
}
}
internal void SetClip(Point2DCollection clippedPoint2Ds, Rectangle2D clipbox)
{
this.ClippedPoint2Ds = clippedPoint2Ds;
this.ClipBox = clipbox;
this.InvalidatePath(this.Resolution, this.OriginX, this.OriginY);
}
internal bool Within(Rectangle2D other)
{
return ((((this.Left >= other.Left) && (this.Right <= other.Right)) && (this.Bottom >= other.Bottom)) && (this.Top <= other.Top));
}
private void children_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Add)
{
if (!Rectangle2D.IsNullOrEmpty(this.fullBounds))
{
UpdateFullBounds(e.NewItems);
}
}
else
{
if (e.Action == NotifyCollectionChangedAction.Reset)
{
base.Container.Children.Clear();
}
else
{
base.Container.Children.Remove(e.OldItems[0] as UIElement);
}
this.fullBounds = Rectangle2D.Empty;
}
this.Invalidate();
}
/// <example>${WP_mapping_ArbitraryLayer_method_setbbox_Example_D}<code inline="false" title="" description="" lang="CS"></code><code title="Example1" description="" lang="C#">Ellipse myellipse = new Ellipse();
/// Rectangle2D ellbounds = new Rectangle2D(left, bottom, right, top);
/// myellipse.SetValue(ElementsLayer.BBoxProperty, ellbounds);
/// this.ElementsLayer.AddChild(myellipse);</code><code title="Example2" description="" lang="CS"><ELLIPSE id=dxCrLf <SPAN x:Name="MyEllipse"></SPAN> namespace:ElementsLayer.BBox="left, bottom, right, top"&gt;
/// </ELLIPSE></code></example>
/// <summary>${WP_mapping_ArbitraryLayer_method_setbbox_D}</summary>
/// <param name="obj">${WP_mapping_ArbitraryLayer_method_setbbox_param_obj}</param>
/// <param name="value">${WP_mapping_ArbitraryLayer_method_setbbox_param_value}</param>
public static void SetBBox(DependencyObject obj, Rectangle2D value)
{
obj.SetValue(BBoxProperty, value);
}
/// <summary>
/// ${WP_pubilc_Constructors_Initializes} <see cref="ViewBoundsEventArgs">ViewBoundsEventArgs</see> ${WP_pubilc_Constructors_instance}
/// </summary>
/// <param name="oldViewBounds">${WP_mapping_ViewBoundsEventArgs_constructor_param_oldViewBounds}</param>
/// <param name="newViewBounds">${WP_mapping_ViewBoundsEventArgs_constructor_param_newViewBounds}</param>
public ViewBoundsEventArgs(Rectangle2D oldViewBounds, Rectangle2D newViewBounds)
{
OldViewBounds = oldViewBounds;
NewViewBounds = newViewBounds;
}
private static string convertToString(Rectangle2D rect)
{
if (Rectangle2D.IsNullOrEmpty(rect))
{
return null;
}
CultureInfo invariantCulture = CultureInfo.InvariantCulture;
string listSeparator = invariantCulture.TextInfo.ListSeparator;
return string.Format(invariantCulture, "{0}{4}{1}{4}{2}{4}{3}", new object[] { rect.Left, rect.Bottom, rect.Right, rect.Top, listSeparator });
}
/// <summary>${WP_mapping_ArbitraryLayer_method_addChild_UIElement_Rectangle2D_D}</summary>
/// <param name="element">${WP_mapping_ArbitraryLayer_method_addChild_UIElement_pararm_element}</param>
/// <param name="bbox">${WP_mapping_ArbitraryLayer_method_addChild_UIElement_Rectangle2D_param_bbox}</param>
public void AddChild(UIElement element, Rectangle2D bbox)
{
if (!(element is ShapeElement))
{
ElementsLayer.SetBBox(element, bbox);
}
Children.Add(element);
}
