/// <summary>
/// gets all tiles in rect at specific zoom
/// </summary>
public List <GPoint> GetAreaTileList(RectLatLng rect, int zoom, int padding)
{
List <GPoint> ret = new List <GPoint>();
GPoint topLeft = FromPixelToTileXY(FromLatLngToPixel(rect.LocationTopLeft, zoom));
GPoint rightBottom = FromPixelToTileXY(FromLatLngToPixel(rect.LocationRightBottom, zoom));
for (long x = (topLeft.X - padding); x <= (rightBottom.X + padding); x++)
{
for (long y = (topLeft.Y - padding); y <= (rightBottom.Y + padding); y++)
{
GPoint p = new GPoint(x, y);
if (!ret.Contains(p) && p.X >= 0 && p.Y >= 0)
{
ret.Add(p);
}
}
}
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));
Position = center;
if (mmaxZoom > maxZoom)
{
mmaxZoom = maxZoom;
}
if (Zoom != mmaxZoom)
{
Zoom = (int)mmaxZoom;
}
return(true);
}
return(false);
}
static RectLatLng()
{
Empty = new RectLatLng();
}
// ok ???
// http://greatmaps.codeplex.com/workitem/15981
public bool IntersectsWith(RectLatLng a)
{
return(this.Left < a.Right && this.Top > a.Bottom && this.Right > a.Left && this.Bottom < a.Top);
}
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)));
}