public static DownloadUriIntoDataUri ( string uri ) : string | ||
uri | string | The URI of the resource to convert. |
Результат | string |
public static string DownloadUriIntoDataUri(string uri)
{
if (uri.StartsWith("data:"))
return uri;
WebRequest request = WebRequest.Create(uri);
HttpWebRequest httpWebRequest = request as HttpWebRequest;
if (httpWebRequest != null)
{
httpWebRequest.UserAgent = "CesiumWriter";
}
using (WebResponse webResponse = request.GetResponse())
using (Stream responseStream = webResponse.GetResponseStream())
{
string mimeType = webResponse.ContentType;
return BuildDataUri(mimeType, responseStream);
}
}
/// <summary> /// Resolves a URI, producing a new URI for inclusion in a CZML document. /// </summary> /// <param name="uri">The source URI.</param> /// <returns>A URI suitable for CZML.</returns> public string ResolveUri(string uri) { if (uri == null) { throw new ArgumentNullException("uri"); } LinkedListNode <CacheItem> node; if (m_dictionary.TryGetValue(uri, out node)) { if (m_lruList.First != node) { //move to front m_lruList.Remove(node); m_lruList.AddFirst(node); } return(node.Value.ResolvedUri); } //load image into data URI string resolvedUri = CesiumFormattingHelper.DownloadUriIntoDataUri(uri); AddUri(uri, resolvedUri); return(resolvedUri); }