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Update MapPanel.cs

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ClemensFischer 2022-11-05 00:19:43 +01:00
parent 3a43713bdd
commit 2d6f651e0a
1 changed files with 46 additions and 55 deletions
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101
MapControl/Shared/MapPanel.cs
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@ -106,60 +106,6 @@ namespace MapControl
return (Point?)element.GetValue(ViewPositionProperty);
}
/// <summary>
/// Returns the view position of a Location.
/// </summary>
public Point GetViewPosition(Location location)
{
var position = parentMap.LocationToView(location);
if (parentMap.MapProjection.Type <= MapProjectionType.NormalCylindrical &&
IsOutsideViewport(position))
{
location = new Location(location.Latitude, parentMap.ConstrainedLongitude(location.Longitude));
position = parentMap.LocationToView(location);
}
return position;
}
/// <summary>
/// Returns the potentially rotated view rectangle of a BoundingBox.
/// </summary>
public ViewRect GetViewRect(BoundingBox boundingBox)
{
return GetViewRect(parentMap.MapProjection.BoundingBoxToRect(boundingBox));
}
/// <summary>
/// Returns the potentially rotated view rectangle of a map coordinate rectangle.
/// </summary>
public ViewRect GetViewRect(Rect rect)
{
var center = new Point(rect.X + rect.Width / 2d, rect.Y + rect.Height / 2d);
var position = parentMap.ViewTransform.MapToView(center);
if (parentMap.MapProjection.Type <= MapProjectionType.NormalCylindrical &&
IsOutsideViewport(position))
{
var location = parentMap.MapProjection.MapToLocation(center);
if (location != null)
{
location.Longitude = parentMap.ConstrainedLongitude(location.Longitude);
position = parentMap.LocationToView(location);
}
}
var width = rect.Width * parentMap.ViewTransform.Scale;
var height = rect.Height * parentMap.ViewTransform.Scale;
var x = position.X - width / 2d;
var y = position.Y - height / 2d;
return new ViewRect(x, y, width, height, parentMap.ViewTransform.Rotation);
}
protected virtual void SetParentMap(MapBase map)
{
if (parentMap != null && parentMap != this)
@ -205,8 +151,8 @@ namespace MapControl
{
foreach (var element in Children.OfType<FrameworkElement>())
{
Point? position = null;
var location = GetLocation(element);
Point? position = null;
if (location != null)
{
@ -257,6 +203,51 @@ namespace MapControl
return finalSize;
}
protected Point GetViewPosition(Location location)
{
var position = parentMap.LocationToView(location);
if (parentMap.MapProjection.Type <= MapProjectionType.NormalCylindrical &&
IsOutsideViewport(position))
{
location = new Location(location.Latitude, parentMap.ConstrainedLongitude(location.Longitude));
position = parentMap.LocationToView(location);
}
return position;
}
protected ViewRect GetViewRect(BoundingBox boundingBox)
{
return GetViewRect(parentMap.MapProjection.BoundingBoxToRect(boundingBox));
}
protected ViewRect GetViewRect(Rect rect)
{
var center = new Point(rect.X + rect.Width / 2d, rect.Y + rect.Height / 2d);
var position = parentMap.ViewTransform.MapToView(center);
if (parentMap.MapProjection.Type <= MapProjectionType.NormalCylindrical &&
IsOutsideViewport(position))
{
var location = parentMap.MapProjection.MapToLocation(center);
if (location != null)
{
location.Longitude = parentMap.ConstrainedLongitude(location.Longitude);
position = parentMap.LocationToView(location);
}
}
var width = rect.Width * parentMap.ViewTransform.Scale;
var height = rect.Height * parentMap.ViewTransform.Scale;
var x = position.X - width / 2d;
var y = position.Y - height / 2d;
return new ViewRect(x, y, width, height, parentMap.ViewTransform.Rotation);
}
private bool IsOutsideViewport(Point point)
{
return point.X < 0d || point.X > parentMap.RenderSize.Width