/// <summary> Initializes a new instance of the <see cref="BingMetaInfo"/> class and sets the imagery set, map version and Bing license key. </summary>
/// <param name="imagerySet"> Type of map content which is requested. </param>
/// <param name="mapVersion"> Map version which is to be used. </param>
/// <param name="key"> Microsoft license key for using Bing. </param>
public BingMetaInfo(BingImagerySet imagerySet, BingMapVersion mapVersion, string key)
{
Key = key;
var url = $@"http://dev.virtualearth.net/REST/v1/Imagery/Metadata/{Enum.GetName(typeof(BingImagerySet), imagerySet)}?mapVersion={Enum.GetName(typeof(BingMapVersion), mapVersion)}&o=xml&key={key}";
// parse xml using linq
XNamespace restNamespace = "http://schemas.microsoft.com/search/local/ws/rest/v1";
var metaXml = XDocument.Load(url);
var resourceSets = from resourceSet in metaXml.Descendants(restNamespace + "ResourceSets")
select new
{
Resource = from resource in resourceSet.Descendants(restNamespace + "Resources")
select new
{
ImageryMetaData = from meta in resource.Descendants(restNamespace + "ImageryMetadata")
select new
{
ImagerUrl = meta.Element(restNamespace + "ImageUrl")?.Value,
MinZoom = Convert.ToInt32(meta.Element(restNamespace + "ZoomMin")?.Value),
MaxZoom = Convert.ToInt32(meta.Element(restNamespace + "ZoomMax")?.Value),
SubDomains = from subDomain in meta.Descendants(restNamespace + "ImageUrlSubdomains")
select subDomain.Elements(restNamespace + "string")
}
}
};
// initialize properties
var imageMeta = resourceSets.First().Resource.First().ImageryMetaData.First();
var logoUriMeta = from brandLogoUri in metaXml.Descendants(restNamespace + "BrandLogoUri")
select new
{
URI = brandLogoUri.Value
};
LogoUri = logoUriMeta.First().URI;
ImageUrl = imageMeta.ImagerUrl;
MinZoom = imageMeta.MinZoom;
MaxZoom = imageMeta.MaxZoom;
ImageUrlSubDomains = imageMeta.SubDomains.First().Select(subDomain => subDomain.Value).ToArray();
}
/// <summary> Extension method which adds a Microsoft Bing layer to the map. </summary>
/// <param name="wpfMap"> The map to add the layer to. </param>
/// <param name="name"> The name of the layer. </param>
/// <param name="idx"> The index of the layer in the layer hierarchy. </param>
/// <param name="bingKey"> The Microsoft Bing key to use. </param>
/// <param name="set"> The imagery set to be used. </param>
/// <param name="version"> The Microsoft Bing version. </param>
/// <param name="isBaseMapLayer"> Specifies if the added layer should act as a base layer. </param>
/// <param name="opacity"> The initial opacity of the layer. </param>
/// <param name="icon"> The icon of the layer used within the layer gadget. </param>
public static void AddBingLayer(this WpfMap wpfMap, string name, int idx, string bingKey, BingImagerySet set, BingMapVersion version, bool isBaseMapLayer, double opacity, BitmapImage icon)
{
AddBingLayer(wpfMap, name, idx, bingKey, set, version, isBaseMapLayer, opacity, icon, wpfMap.CopyrightImagePanel);
}
/// <summary> Extension method which adds a Microsoft Bing layer to the map. </summary>
/// <param name="wpfMap"> The map to add the layer to. </param>
/// <param name="name"> The name of the layer. </param>
/// <param name="idx"> The index of the layer in the layer hierarchy. </param>
/// <param name="bingKey"> The Microsoft Bing key to use. </param>
/// <param name="set"> The imagery set to be used. </param>
/// <param name="version"> The Microsoft Bing version. </param>
/// <param name="isBaseMapLayer"> Specifies if the added layer should act as a base layer. </param>
/// <param name="opacity"> The initial opacity of the layer. </param>
/// <param name="icon"> The icon of the layer used within the layer gadget. </param>
/// <param name="copyrightImagePanel"> The panel where the bing logo should be added. </param>
public static void AddBingLayer(this WpfMap wpfMap, string name, int idx, string bingKey, BingImagerySet set, BingMapVersion version,
bool isBaseMapLayer, double opacity, BitmapImage icon, Panel copyrightImagePanel)
{
var metaInfo = new BingMetaInfo(set, version, bingKey);
// add a bing aerial layer
var bingLayer = new TiledLayer(name)
{
TiledProvider = new BingTiledProvider(metaInfo),
IsBaseMapLayer = isBaseMapLayer,
Opacity = opacity,
Icon = icon
};
wpfMap.Layers.Insert(idx, bingLayer);
try
{
var bingLogo = new Image
{
Stretch = Stretch.None,
HorizontalAlignment = HorizontalAlignment.Left,
Source = new BitmapImage(new Uri(metaInfo.LogoUri))
};
copyrightImagePanel.Children.Add(bingLogo);
copyrightImagePanel.Visibility = Visibility.Visible;
}
catch (Exception)
{
//Just silently catch exceptions if the image cannot be displayed!
}
}