public static void SetBoundingBox(FrameworkElement element, BoundingBox value)
{
element.SetValue(BoundingBoxProperty, value);
}
protected virtual void UpdateImage(BoundingBox boundingBox, Uri uri)
{
UpdateImage(boundingBox, new BitmapImage(uri));
}
private static void ArrangeElementWithBoundingBox(FrameworkElement element, MapBase parentMap, BoundingBox boundingBox)
{
var rect = new Rect();
var rotation = 0d;
if (parentMap != null)
{
var projection = parentMap.MapProjection;
rect = projection.BoundingBoxToRect(boundingBox);
var center = new Point(rect.X + rect.Width / 2d, rect.Y + rect.Height / 2d);
var pos = projection.ViewportTransform.Transform(center);
if (parentMap.MapProjection.IsCylindrical &&
(pos.X < 0d || pos.X > parentMap.RenderSize.Width ||
pos.Y < 0d || pos.Y > parentMap.RenderSize.Height))
{
var location = projection.PointToLocation(center);
location.Longitude = Location.NearestLongitude(location.Longitude, parentMap.Center.Longitude);
pos = projection.LocationToViewportPoint(location);
}
rect.Width *= projection.ViewportScale;
rect.Height *= projection.ViewportScale;
rect.X = pos.X - rect.Width / 2d;
rect.Y = pos.Y - rect.Height / 2d;
if (element.UseLayoutRounding)
{
rect.X = Math.Round(rect.X);
rect.Y = Math.Round(rect.Y);
}
rotation = parentMap.Heading;
}
element.Width = rect.Width;
element.Height = rect.Height;
element.Arrange(rect);
var rotateTransform = element.RenderTransform as RotateTransform;
if (rotateTransform == null)
{
rotateTransform = new RotateTransform();
element.RenderTransform = rotateTransform;
element.RenderTransformOrigin = new Point(0.5, 0.5);
}
rotateTransform.Angle = rotation;
}
