ClemensFischer/XAML-Map-Control
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MapPanel longitude coercion

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ClemensFischer 2024-08-29 21:35:58 +02:00
parent 94c3faf805
commit 4b0a0d29fd
9 changed files with 110 additions and 189 deletions
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40
MapControl/Shared/MapPath.cs
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@ -4,13 +4,10 @@
#if WPF
using System.Windows;
using System.Windows.Media;
#elif UWP
using Windows.UI.Xaml;
using Windows.UI.Xaml.Media;
#elif WINUI
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Media;
#endif
namespace MapControl
@ -79,6 +76,18 @@ namespace MapControl
MapPanel.SetLocation(this, Location);
}
protected double GetLongitudeOffset(Location location)
{
var longitudeOffset = 0d;
if (location != null && parentMap.MapProjection.Type <= MapProjectionType.NormalCylindrical)
{
longitudeOffset = parentMap.CoerceLongitude(location.Longitude) - location.Longitude;
}
return longitudeOffset;
}
protected Point? LocationToMap(Location location, double longitudeOffset)
{
if (longitudeOffset != 0d)
@ -107,31 +116,12 @@ namespace MapControl
{
var point = LocationToMap(location, longitudeOffset);
if (!point.HasValue)
if (point.HasValue)
{
return null;
point = parentMap.ViewTransform.MapToView(point.Value);
}
return parentMap.ViewTransform.MapToView(point.Value);
}
protected double GetLongitudeOffset(Location location)
{
var longitudeOffset = 0d;
if (location != null && parentMap.MapProjection.Type <= MapProjectionType.NormalCylindrical)
{
var point = parentMap.LocationToView(location);
if (point.HasValue &&
(point.Value.X < 0d || point.Value.X > parentMap.ActualWidth ||
point.Value.Y < 0d || point.Value.Y > parentMap.ActualHeight))
{
longitudeOffset = parentMap.CoerceLongitude(location.Longitude) - location.Longitude;
}
}
return longitudeOffset;
return point;
}
}
}