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using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.IO;

using System.Drawing;

using System.Net;

using System.Xml.Serialization;

using SharpMap.Serialization.Model;

namespace SharpMap.Serialization

{

public static class MapSerialization

{

/// <summary>

/// Parses a Map from a MapDocument

/// </summary>

/// <param name="s">Instance of <see cref="Stream"/></param>

/// <returns>Map Document accodring to the MapDocument</returns>

public static Map LoadMapFromStream(Stream s)

{

XmlSerializer ser = new XmlSerializer(typeof(MapDefinition));

MapDefinition md = (MapDefinition)ser.Deserialize(s);

Map m = new Map();

if (md.Extent != null)

m.ZoomToBox(new GeoAPI.Geometries.Envelope(md.Extent.Xmin, md.Extent.Xmax, md.Extent.Ymin, md.Extent.Ymax));

if (!string.IsNullOrEmpty(md.BackGroundColor))

{

m.BackColor = ColorTranslator.FromHtml(md.BackGroundColor);

}

m.SRID = md.SRID;

foreach (var l in md.Layers)

{

SharpMap.Layers.ILayer lay = null;

//WMSLayer?

if (l is WmsLayer)

{

ICredentials cred = null;

if (!string.IsNullOrEmpty((l as WmsLayer).WmsUser))

cred = new NetworkCredential((l as WmsLayer).WmsUser, (l as WmsLayer).WmsPassword);

SharpMap.Layers.WmsLayer wmsl = new Layers.WmsLayer(l.Name, (l as WmsLayer).OnlineURL, TimeSpan.MaxValue, WebRequest.DefaultWebProxy, cred);

if ((l as WmsLayer).WmsLayers != null)

{

string[] layers = (l as WmsLayer).WmsLayers.Split(',');

foreach (var wl in layers)

{

wmsl.AddLayer(wl);

}

}

else

{

wmsl.AddChildLayers(wmsl.RootLayer,true);

}

lay = wmsl;

}

//And some simple tiled layers

else if (l is OsmLayer)

{

var ol = (OsmLayer) l;

BruTile.Predefined.KnownTileSource kts;

if (!Enum.TryParse(ol.KnownTileSource, out kts))

kts = BruTile.Predefined.KnownTileSource.OpenStreetMap;

if (ol.Async)

lay = new Layers.TileAsyncLayer(BruTile.Predefined.KnownTileSources.Create(kts, ol.ApiKey), l.Name);

else

lay = new Layers.TileLayer(BruTile.Predefined.KnownTileSources.Create(kts, ol.ApiKey), l.Name);

}

/*

else if (l is GoogleLayer)

{

lay = new Layers.TileLayer(new BruTile.Web.GoogleTileSource(BruTile.Web.GoogleMapType.GoogleMap), l.Name);

}

else if (l is GoogleSatLayer)

{

lay = new Layers.TileLayer(new BruTile.Web.GoogleTileSource(BruTile.Web.GoogleMapType.GoogleSatellite), l.Name);

}

else if (l is GoogleTerrainLayer)

{

lay = new Layers.TileLayer(new BruTile.Web.GoogleTileSource(BruTile.Web.GoogleMapType.GoogleTerrain), l.Name);

}

*/

if (lay != null)

{

lay.MinVisible = l.MinVisible;

lay.MaxVisible = l.MaxVisible;

m.Layers.Add(lay);

}

}

return m;

}

public static void SaveMapToStream(Map m, Stream s)

{

MapDefinition md = new MapDefinition();

md.Extent = new Extent()

{

Xmin = m.Envelope.MinX,

Xmax = m.Envelope.MaxX,

Ymin = m.Envelope.MinY,

Ymax = m.Envelope.MaxY

};

md.BackGroundColor = ColorTranslator.ToHtml(m.BackColor);

md.SRID = m.SRID;

List<MapLayer> layers = new List<MapLayer>();

foreach (var layer in m.Layers)

{

MapLayer ml = null;

if (layer is SharpMap.Layers.VectorLayer)

{

}

else if (layer is SharpMap.Layers.WmsLayer)

{

WmsLayer sl = new WmsLayer();

sl.OnlineURL = (layer as SharpMap.Layers.WmsLayer).CapabilitiesUrl;

sl.WmsLayers = string.Join(",", (layer as SharpMap.Layers.WmsLayer).LayerList.ToArray());

if ((layer as SharpMap.Layers.WmsLayer).Credentials is NetworkCredential)

{

sl.WmsUser = ((layer as SharpMap.Layers.WmsLayer).Credentials as NetworkCredential).UserName;

sl.WmsPassword = ((layer as SharpMap.Layers.WmsLayer).Credentials as NetworkCredential).Password;

}

ml = sl;

}

ml.MinVisible = layer.MinVisible;

ml.MaxVisible = layer.MaxVisible;

ml.Name = layer.LayerName;

if (ml != null)

layers.Add(ml);

}

md.Layers = layers.ToArray();

XmlSerializer serializer = new XmlSerializer(typeof(MapDefinition));

serializer.Serialize(s, md);

}

}

}