PureImage PureImageCache.GetImageFromCache(int type, GPoint pos, int zoom)
{
PureImage ret = null;
try
{
string file = CacheLocation + Path.DirectorySeparatorChar + GMapProviders.TryGetProvider(type).Name + Path.DirectorySeparatorChar + zoom + Path.DirectorySeparatorChar + pos.Y + Path.DirectorySeparatorChar + pos.X + ".jpg";
if (File.Exists(file))
{
using (BinaryReader sr = new BinaryReader(File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read)))
{
byte[] tile = sr.ReadBytes((int)sr.BaseStream.Length);
MemoryStream stm = new MemoryStream(tile, 0, tile.Length, false, true);
ret = GMapImageProxy.Instance.FromStream(stm);
if (ret != null)
{
ret.Data = stm;
}
}
}
}
catch (Exception ex)
{
#if MONO
Console.WriteLine("GetImageFromCache: " + ex.ToString());
#endif
Debug.WriteLine("GetImageFromCache: " + ex.ToString());
ret = null;
}
return(ret);
}
bool PureImageCache.PutImageToCache(byte[] tile, int type, GPoint pos, int zoom)
{
bool ret = true;
if (Created)
{
try
{
string file = CacheLocation + Path.DirectorySeparatorChar + GMapProviders.TryGetProvider(type).Name + Path.DirectorySeparatorChar + zoom + Path.DirectorySeparatorChar + pos.Y + Path.DirectorySeparatorChar + pos.X + ".jpg";
string dir = Path.GetDirectoryName(file);
Directory.CreateDirectory(dir);
using (BinaryWriter sw = new BinaryWriter(File.OpenWrite(file)))
{
sw.Write(tile.ToArray());
}
}
catch (Exception ex)
{
#if MONO
Console.WriteLine("PutImageToCache: " + ex.ToString());
#endif
Debug.WriteLine("PutImageToCache: " + ex.ToString());
ret = false;
}
}
return(ret);
}
void ProcessRequest(object p)
{
try
{
using (var c = p as TcpClient)
{
using (var s = c.GetStream())
{
using (var r = new StreamReader(s, Encoding.UTF8))
{
string request = r.ReadLine();
if (!string.IsNullOrEmpty(request) && request.StartsWith("GET"))
{
//Debug.WriteLine("TileHttpHost: " + request);
// http://localhost:88/88888/5/15/11
// GET /8888888888/5/15/11 HTTP/1.1
var rq = request.Split(' ');
if (rq.Length >= 2)
{
var ids = rq[1].Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
if (ids.Length == 4)
{
int dbId = int.Parse(ids[0]);
int zoom = int.Parse(ids[1]);
int x = int.Parse(ids[2]);
int y = int.Parse(ids[3]);
var pr = GMapProviders.TryGetProvider(dbId);
if (pr != null)
{
Exception ex;
var img = GMaps.Instance.GetImageFrom(pr, new GPoint(x, y), zoom, out ex);
if (img != null)
{
using (img)
{
s.Write(responseHeaderBytes, 0, responseHeaderBytes.Length);
img.Data.WriteTo(s);
}
}
}
}
}
}
}
}
c.Close();
}
}
catch (Exception ex)
{
Debug.WriteLine("TileHttpHost, ProcessRequest: " + ex);
}
//Debug.WriteLine("disconnected");
}
int PureImageCache.DeleteOlderThan(DateTime date, int?type)
{
int affectedRows = 0;
if (!type.HasValue)
{
return(0);
}
string file = CacheLocation + Path.DirectorySeparatorChar + GMapProviders.TryGetProvider(type.Value).Name +
Path.DirectorySeparatorChar;
if (!Directory.Exists(file))
{
return(0);
}
string[] files = Directory.GetFiles(file, "*.jpg", SearchOption.AllDirectories);
foreach (var filen in files)
{
try
{
var fi = new FileInfo(filen);
if (fi.CreationTime < date)
{
File.Delete(filen);
affectedRows++;
}
}
catch
{
}
}
files = Directory.GetFiles(file, "*.png", SearchOption.AllDirectories);
foreach (var filen in files)
{
try
{
var fi = new FileInfo(filen);
if (fi.CreationTime < date)
{
File.Delete(filen);
affectedRows++;
}
}
catch
{
}
}
return(affectedRows);
}
public PureImage GetImageFromCache(int type, GPoint pos, int zoom)
{
if (!_地图字典.ContainsKey(type))
{
_地图字典[type] = GMapProviders.TryGetProvider(type);
}
var __地图 = _地图字典[type];
var url = string.Format("{0}/{1}/{2}/{3}/{4}", _host, __地图.Name, zoom, pos.X, pos.Y);
return(GetTileImageUsingHttp(url));
}
private void readJsonMap()
{
using (StreamReader reader = new StreamReader("Maps.json"))
{
string json = reader.ReadToEnd();
JArray list = JArray.Parse(json);
foreach (JObject data in list.Children())
{
mapModes.Add(new MapMode
{
Name = (string)data["Name"],
MapProvider = GMapProviders.TryGetProvider((string)data["Type"]),
MainMapMinZoom = (int)data["MainMapMinZoom"],
MainMapMaxZoom = (int)data["MainMapMaxZoom"],
MiniMapMinZoom = (int)data["MiniMapMinZoom"],
MiniMapMaxZoom = (int)data["MiniMapMaxZoom"]
});
}
}
}
private void changeMapProvider(string mapName)
{
if (mapName.StartsWith("AMap") ||
mapName.StartsWith("Baidu") ||
mapName.StartsWith("Sohu") ||
mapName.StartsWith("SoSo")
)
{
if (mapName.Equals("AMap", StringComparison.CurrentCultureIgnoreCase))
{
gMap.MapProvider = AMap;
}
else if (mapName.Equals("AMapSatelite", StringComparison.CurrentCultureIgnoreCase))
{
gMap.MapProvider = AMapSatelite;
}
else if (mapName.Equals("BaiduMap", StringComparison.CurrentCultureIgnoreCase))
{
gMap.MapProvider = BaiduMap;
}
else if (mapName.Equals("BaiduSateliteMap", StringComparison.CurrentCultureIgnoreCase))
{
gMap.MapProvider = BaiduSateliteMap;
}
else if (mapName.Equals("SohuMap", StringComparison.CurrentCultureIgnoreCase))
{
gMap.MapProvider = SogouMap;
}
else if (mapName.Equals("SohuSateliteMap", StringComparison.CurrentCultureIgnoreCase))
{
gMap.MapProvider = SogouSateliteMap;
}
else if (mapName.Equals("SosoMap", StringComparison.CurrentCultureIgnoreCase))
{
gMap.MapProvider = SosoMap;
}
else if (mapName.Equals("SoSoSateliteMap", StringComparison.CurrentCultureIgnoreCase))
{
gMap.MapProvider = SosoSateliteMap;
}
gMap.MaxZoom = 18;
gMap.MapProvider.MaxZoom = gMap.MaxZoom;
trackZoom.Maximum = gMap.MaxZoom;
}
else
{
gMap.MapProvider = GMapProviders.TryGetProvider(mapSource[mapName]);
gMap.MaxZoom = 20;
gMap.MapProvider.MaxZoom = gMap.MaxZoom;
}
trackZoom.Maximum = gMap.MaxZoom;
if (gMap.Zoom > gMap.MaxZoom)
{
gMap.Zoom = gMap.MaxZoom;
}
lastMapProvider = gMap.MapProvider.Name;
Tag = lastMapProvider;
if (mapName.StartsWith("Open", StringComparison.CurrentCultureIgnoreCase))
{
chkMapShift.Checked = false;
}
else
{
chkMapShift.Checked = true;
}
tsmiShiftMap.Checked = chkMapShift.Checked;
MapShift = chkMapShift.Checked;
//gMap.BoundsOfMap = latlng;
}
public void ChangeMapType(string id)
{
mainMap.MapProvider = GMapProviders.TryGetProvider(new Guid(id));
}
