/// <summary>
/// regenerates shape of route
/// </summary>
public virtual void RegenerateShape(MiniGMapControl map)
{
if (map != null)
{
this.Map = map;
if (Points.Count > 1)
{
Position = Points[0];
var localPath = new List <System.Windows.Point>(Points.Count);
var offset = Map.FromLatLngToLocal(Points[0]);
foreach (var i in Points)
{
var p = Map.FromLatLngToLocal(i);
localPath.Add(new System.Windows.Point(p.X - offset.X, p.Y - offset.Y));
}
//var shape = map.CreateRoutePath(localPath);
//if (this.Shape is Path)
//{
// (this.Shape as Path).Data = shape.Data;
//}
//else
//{
// this.Shape = shape;
//}
}
else
{
this.Shape = null;
}
}
}
/// <summary>
/// forces to update local marker position
/// dot not call it if you don't really need to ;}
/// </summary>
/// <param name="m"></param>
internal void ForceUpdateLocalPosition(MiniGMapControl m)
{
if (m != null)
{
map = m;
}
UpdateLocalPosition();
}
private static void MapProviderPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MiniGMapControl map = (MiniGMapControl)d;
if (map != null && e.NewValue != null)
{
RectLatLng viewarea = map.SelectedArea;
if (viewarea != RectLatLng.Empty)
{
map.Position = new PointLatLng(viewarea.Lat - viewarea.HeightLat / 2, viewarea.Lng + viewarea.WidthLng / 2);
}
else
{
viewarea = map.ViewArea;
}
map.Core.Provider = e.NewValue as GMapProvider;
map.Copyright = null;
if (!string.IsNullOrEmpty(map.Core.Provider.Copyright))
{
map.Copyright = new FormattedText(map.Core.Provider.Copyright, CultureInfo.CurrentUICulture, FlowDirection.LeftToRight, new Typeface("GenericSansSerif"), 9, Brushes.Navy);
}
if (map.Core.IsStarted && map.Core.zoomToArea)
{
// restore zoomrect as close as possible
if (viewarea != RectLatLng.Empty && viewarea != map.ViewArea)
{
int bestZoom = map.Core.GetMaxZoomToFitRect(viewarea);
if (bestZoom > 0 && map.Zoom != bestZoom)
{
map.Zoom = bestZoom;
}
}
}
}
}
private static void ZoomPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MiniGMapControl map = (MiniGMapControl)d;
if (map != null && map.MapProvider.Projection != null)
{
double value = (double)e.NewValue;
Debug.WriteLine("Zoom: " + e.OldValue + " -> " + value);
double remainder = value % 1;
if (map.ScaleMode != ScaleModes.Integer && remainder != 0 && map.ActualWidth > 0)
{
bool scaleDown;
switch (map.ScaleMode)
{
case ScaleModes.ScaleDown:
scaleDown = true;
break;
case ScaleModes.Dynamic:
scaleDown = remainder > 0.25;
break;
default:
scaleDown = false;
break;
}
if (scaleDown)
{
remainder--;
}
double scaleValue = Math.Pow(2d, remainder);
{
if (map.MapScaleTransform == null)
{
map.MapScaleTransform = map.lastScaleTransform;
}
map.MapScaleTransform.ScaleX = scaleValue;
map.MapScaleTransform.ScaleY = scaleValue;
map.Core.scaleX = 1 / scaleValue;
map.Core.scaleY = 1 / scaleValue;
map.MapScaleTransform.CenterX = map.ActualWidth / 2;
map.MapScaleTransform.CenterY = map.ActualHeight / 2;
}
map.Core.Zoom = Convert.ToInt32(scaleDown ? Math.Ceiling(value) : value - remainder);
}
else
{
map.MapScaleTransform = null;
map.Core.scaleX = 1;
map.Core.scaleY = 1;
map.Core.Zoom = (int)Math.Floor(value);
}
if (map.IsLoaded)
{
map.ForceUpdateOverlays();
map.InvalidateVisual(true);
}
}
}