public GPoint FromLatLngToLocal(PointLatLng latlng)
{
GPoint pLocal = Provider.Projection.FromLatLngToPixel(latlng, Zoom);
pLocal.Offset(renderOffset);
pLocal.OffsetNegative(compensationOffset);
return(pLocal);
}
public PointLatLng FromLocalToLatLng(long x, long y)
{
GPoint p = new GPoint(x, y);
p.OffsetNegative(renderOffset);
p.Offset(compensationOffset);
return(Provider.Projection.FromPixelToLatLng(p, Zoom));
}
internal void GoToCurrentPositionOnZoom()
{
compensationOffset = positionPixel; // TODO: fix
// reset stuff
renderOffset = GPoint.Empty;
dragPoint = GPoint.Empty;
// goto location and centering
if (MouseWheelZooming)
{
if (MouseWheelZoomType != MouseWheelZoomType.MousePositionWithoutCenter)
{
GPoint pt = new GPoint(-(positionPixel.X - Width / 2), -(positionPixel.Y - Height / 2));
pt.Offset(compensationOffset);
renderOffset.X = pt.X - dragPoint.X;
renderOffset.Y = pt.Y - dragPoint.Y;
}
else // without centering
{
renderOffset.X = -positionPixel.X - dragPoint.X;
renderOffset.Y = -positionPixel.Y - dragPoint.Y;
renderOffset.Offset(mouseLastZoom);
renderOffset.Offset(compensationOffset);
}
}
else // use current map center
{
mouseLastZoom = GPoint.Empty;
GPoint pt = new GPoint(-(positionPixel.X - Width / 2), -(positionPixel.Y - Height / 2));
pt.Offset(compensationOffset);
renderOffset.X = pt.X - dragPoint.X;
renderOffset.Y = pt.Y - dragPoint.Y;
}
UpdateCenterTileXYLocation();
}
