ClemensFischer/XAML-Map-Control
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Changed class Location to readonly struct

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ClemensFischer 2026-02-01 22:56:50 +01:00
parent d7d7bba5f2
commit 6566167ff0
27 changed files with 194 additions and 307 deletions
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31
MapControl/Shared/MapPath.cs
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@ -17,15 +17,15 @@ namespace MapControl
public partial class MapPath : IMapElement
{
public static readonly DependencyProperty LocationProperty =
DependencyPropertyHelper.Register<MapPath, Location>(nameof(Location), null,
DependencyPropertyHelper.Register<MapPath, Location>(nameof(Location), default,
(path, oldValue, newValue) => path.UpdateData());
/// <summary>
/// Gets or sets a Location that is used as
/// - either the origin point of a geometry specified in projected map coordinates (meters)
/// - or as an optional anchor point to constrain the view position of MapPaths with multiple
/// Locations (like MapPolyline or MapPolygon) to the visible map viewport, as done
/// for elements where the MapPanel.Location property is set.
/// Gets or sets a Location that is either used as
/// - the origin point of a geometry specified in projected map coordinates (meters) or
/// - as an optional anchor point to constrain the view position of MapPaths with
/// multiple Locations (like MapPolyline or MapPolygon) to the visible map viewport,
/// as done for elements where the MapPanel.Location property is set.
/// </summary>
public Location Location
{
@ -64,7 +64,7 @@ namespace MapControl
protected virtual void UpdateData()
{
if (ParentMap != null && Location != null && Data != null)
if (ParentMap != null && Data != null)
{
SetDataTransform(ParentMap.GetMapToViewTransform(Location));
}
@ -72,23 +72,6 @@ namespace MapControl
MapPanel.SetLocation(this, Location);
}
protected double GetLongitudeOffset(Location location)
{
var longitudeOffset = 0d;
if (location != null != ParentMap.MapProjection.IsNormalCylindrical)
{
var position = ParentMap.LocationToView(location);
if (!ParentMap.InsideViewBounds(position))
{
longitudeOffset = ParentMap.NearestLongitude(location.Longitude) - location.Longitude;
}
}
return longitudeOffset;
}
protected Point LocationToMap(Location location, double longitudeOffset)
{
var point = ParentMap.MapProjection.LocationToMap(location.Latitude, location.Longitude + longitudeOffset);