public int GetMaxZoomToFitRect(RectLatLng rect)
{
int zoom = minZoom;
for (int i = zoom; i <= maxZoom; i++)
{
MapPoint p1 = Projection.FromLatLngToPixel(rect.LocationTopLeft, i);
MapPoint p2 = Projection.FromLatLngToPixel(rect.LocationRightBottom, i);
if (((p2.X - p1.X) <= Width + 10) && (p2.Y - p1.Y) <= Height + 10)
{
zoom = i;
}
else
{
break;
}
}
return(zoom);
}
/// <summary>
/// gets all tiles in rect at specific zoom
/// </summary>
public List <MapPoint> GetAreaTileList(RectLatLng rect, int zoom, int padding)
{
List <MapPoint> ret = new List <MapPoint>();
MapPoint topLeft = FromPixelToTileXY(FromLatLngToPixel(rect.LocationTopLeft, zoom));
MapPoint rightBottom = FromPixelToTileXY(FromLatLngToPixel(rect.LocationRightBottom, zoom));
for (int x = (topLeft.X - padding); x <= (rightBottom.X + padding); x++)
{
for (int y = (topLeft.Y - padding); y <= (rightBottom.Y + padding); y++)
{
MapPoint p = new MapPoint(x, y);
if (!ret.Contains(p) && p.X >= 0 && p.Y >= 0)
{
ret.Add(p);
}
}
}
ret.TrimExcess();
return(ret);
}
public bool SetZoomToFitRect(RectLatLng rect)
{
int mmaxZoom = GetMaxZoomToFitRect(rect);
if (mmaxZoom > 0)
{
PointLatLng center = new PointLatLng(rect.Lat - (rect.HeightLat / 2), rect.Lng + (rect.WidthLng / 2));
CurrentPosition = center;
if (mmaxZoom > maxZoom)
{
mmaxZoom = maxZoom;
}
if ((int)Zoom != mmaxZoom)
{
Zoom = mmaxZoom;
}
return(true);
}
return(false);
}
static RectLatLng()
{
Empty = new RectLatLng();
}
// ok ???
public bool IntersectsWith(RectLatLng rect)
{
return((((rect.Lng < (this.Lng + this.WidthLng)) && (this.Lng < (rect.Lng + rect.WidthLng))) && (rect.Lat < (this.Lat + this.HeightLat))) && (this.Lat < (rect.Lat + rect.HeightLat)));
}
public bool Contains(RectLatLng rect)
{
return((((this.Lng <= rect.Lng) && ((rect.Lng + rect.WidthLng) <= (this.Lng + this.WidthLng))) && (this.Lat >= rect.Lat)) && ((rect.Lat - rect.HeightLat) >= (this.Lat - this.HeightLat)));
}