private void QueryPOIBackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
_pois = new List <POI>();
var query = e.Argument as string;
var left = (from q in _blocks
orderby q.Center.Lng
select q.Center.Lng).FirstOrDefault();
var top = (from q in _blocks
orderby q.Center.Lat descending
select q.Center.Lat).FirstOrDefault();
var bottom = (from q in _blocks
orderby q.Center.Lat
select q.Center.Lat).FirstOrDefault();
var right = (from q in _blocks
orderby q.Center.Lng descending
select q.Center.Lng).FirstOrDefault();
MapPainter mp = new MapPainter(left, top, bottom, right);
mp.Map = picMap.Image.Clone() as Bitmap;
mp.PaintEvent += Mp_PaintEvent;
foreach (var block in _blocks)
{
_pois.AddRange(block.ReadBlockPOI(query, 20));
mp.Draw(block.Center.Lat, block.Center.Lng, Color.DarkGreen);
var bwk = sender as BackgroundWorker;
bwk.ReportProgress(1);
}
e.Result = _pois;
}
public List <Block> SplitBlock()
{
CityCenter = GetCityCenter();
var blocks = new List <Block>();
int round = 1;
while (Spread(round++, blocks))
{
blocks = blocks.Where(i => i.InCity).ToList();
var left = (from q in blocks
orderby q.Center.Lng
select q.Center.Lng).FirstOrDefault();
var top = (from q in blocks
orderby q.Center.Lat descending
select q.Center.Lat).FirstOrDefault();
var bottom = (from q in blocks
orderby q.Center.Lat
select q.Center.Lat).FirstOrDefault();
var right = (from q in blocks
orderby q.Center.Lng descending
select q.Center.Lng).FirstOrDefault();
MapPainter mp = new MapPainter(left, top, bottom, right);
foreach (var block in blocks)
{
mp.Draw(block.Center.Lat, block.Center.Lng, block.DistrictColor);
}
if (NewRound != null)
{
NewRound.Invoke(this, new NewRoundEventArgs()
{
Count = blocks.Count, Map = mp.Map
});
}
}
return(blocks);
}
private void DeserializeBackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
var path = e.Argument as string;
if (!string.IsNullOrEmpty(path) && File.Exists(path))
{
JavaScriptSerializer jss = new JavaScriptSerializer();
jss.MaxJsonLength = Int32.MaxValue;
var str = File.ReadAllText(path);
_blocks = jss.Deserialize <List <Block> >(str);
if (_blocks != null && _blocks.Count > 0)
{
var left = (from q in _blocks
orderby q.Center.Lng
select q.Center.Lng).FirstOrDefault();
var top = (from q in _blocks
orderby q.Center.Lat descending
select q.Center.Lat).FirstOrDefault();
var bottom = (from q in _blocks
orderby q.Center.Lat
select q.Center.Lat).FirstOrDefault();
var right = (from q in _blocks
orderby q.Center.Lng descending
select q.Center.Lng).FirstOrDefault();
MapPainter mp = new MapPainter(left, top, bottom, right);
foreach (var block in _blocks)
{
mp.Draw(block.Center.Lat, block.Center.Lng, block.DistrictColor);
}
e.Result = mp.Map;
}
else
{
e.Result = null;
}
}
}