private void updateSize()
{
Size newSize = getCurrentSize();
Size oldSize = getSize();
if (oldSize == Size.Empty)
{
_size = oldSize = newSize;
}
if (!newSize.Equals(oldSize))
{
_size = newSize;
// @@@ notify layers on resize?
if (_baseLayer != null)
{
Pixel center = new Pixel((float)(newSize.Width / 2), (float)(newSize.Height / 2));
LonLat lonlat = getLonLatFromViewPortPx(center);
int zoom = getZoom().Value;
_zoom = null;
setCenter(getCenter(), zoom, null, null);
}
}
}
public LonLat getLonLatFromViewPortPx(Pixel viewPortPx)
{
LonLat lonlat = null;
if (viewPortPx != null)
{
Size size = _map.getSize();
LonLat center = _map.getCenter();
if (center != null)
{
float res = _map.getResolution().Value;
float delta_x = (float)(viewPortPx.x - (size.Width / 2));
float delta_y = (float)(viewPortPx.y - (size.Height / 2));
lonlat = new LonLat(center.lon + delta_x * res,
center.lat - delta_y * res);
if (_wrapDateLine)
{
lonlat = lonlat.wrapDateLine(_maxExtent);
}
}
}
return(lonlat);
}
public LonLat getLonLatFromViewPortPx(Pixel viewPortPx)
{
LonLat lonlat = null;
if (viewPortPx != null)
{
Size size = _map.getSize();
LonLat center = _map.getCenter();
if (center != null)
{
float res = _map.getResolution().Value;
float delta_x = (float)(viewPortPx.x - (size.Width / 2));
float delta_y = (float)(viewPortPx.y - (size.Height / 2));
lonlat = new LonLat(center.lon + delta_x * res,
center.lat - delta_y * res);
if (_wrapDateLine)
{
lonlat = lonlat.wrapDateLine(_maxExtent);
}
}
}
return lonlat;
}
private LonLat getLonLatFromViewPortPx(Pixel viewPortPx)
{
LonLat lonlat = null;
if (_baseLayer != null)
{
lonlat = _baseLayer.getLonLatFromViewPortPx(viewPortPx);
}
return(lonlat);
}
public LonLat wrapDateLine(Rect maxExtent)
{
LonLat newLonLat = new LonLat(this);
if (maxExtent != Rect.Empty)
{
while (newLonLat.lon < maxExtent.X)
{
newLonLat.lon += (float)maxExtent.Width;
}
while (newLonLat.lon > maxExtent.Right)
{
newLonLat.lon -= (float)maxExtent.Width;
}
}
return newLonLat;
}
public LonLat wrapDateLine(Rect maxExtent)
{
LonLat newLonLat = new LonLat(this);
if (maxExtent != Rect.Empty)
{
while (newLonLat.lon < maxExtent.X)
{
newLonLat.lon += (float)maxExtent.Width;
}
while (newLonLat.lon > maxExtent.Right)
{
newLonLat.lon -= (float)maxExtent.Width;
}
}
return(newLonLat);
}
public LonLat(LonLat c)
{
this._lat = c._lat;
this._lon = c._lon;
}
public void setCenter(LonLat lonlat, int zoom, bool?dragging, bool?forceZoomChange)
{
//moveTo(lonlat,
}
public LonLat(LonLat c)
{
this._lat = c._lat;
this._lon = c._lon;
}
public void setCenter(LonLat lonlat, int zoom, bool? dragging, bool? forceZoomChange)
{
//moveTo(lonlat,
}