public void GetUriTest()
{
// arrange
var request = new BingRequest(
"http://t{s}.tiles.virtualearth.net/tiles/r{quadkey}.jpeg?g={apiversion}&token={userkey}",
"pindakaas", "555", new [] { "000", "111"});
var tileInfo = new TileInfo { Index = new TileIndex(3, 4, "5") };
// act
request.GetUri(tileInfo); // to test the internal server node counter
var url = request.GetUri(tileInfo);
// assert
Assert.True(url.ToString() == "http://t111.tiles.virtualearth.net/tiles/r00211.jpeg?g=555&token=pindakaas");
}
public void GetUriMultiThreadedTest()
{
// arrange
var request = new BingRequest(
"http://t{s}.tiles.virtualearth.net/tiles/r{quadkey}.jpeg?g={apiversion}&token={userkey}",
"pindakaas", "555", new[] { "000", "111" });
var tileInfo = new TileInfo { Index = new TileIndex(3, 4, "5") };
var urls = new ConcurrentBag<Uri>(); // List is not thread save
// act
var requests = new List<Func<Uri>>();
for (var i = 0 ; i < 100; i++) requests.Add(() => request.GetUri(tileInfo));
Parallel.ForEach(requests, r => urls.Add(r()));
// assert
Assert.True(urls.FirstOrDefault(u => u.ToString() == "http://t111.tiles.virtualearth.net/tiles/r00211.jpeg?g=555&token=pindakaas") != null);
}
/// <summary>
/// Renders the layer
/// </summary>
/// <param name="g">Graphics object reference</param>
/// <param name="map">Map which is rendered</param>
public override void OnRender(System.Drawing.Graphics g, Map map)
{
MapTransform mapTransform = new MapTransform(new PointF((float)Map.Center.X, (float)Map.Center.Y), (float)Map.PixelSize, Map.Image.Width, Map.Image.Height);
int level = BruTile.Utilities.GetNearestLevel(schema.Resolutions, Map.PixelSize);
IList<TileInfo> tileInfos = schema.GetTilesInView(mapTransform.Extent, level);
IRequest requestBuilder = new BingRequest(BingRequest.UrlBing, string.Empty, MapType.Hybrid);
var graphics = Graphics.FromImage(Image);
// log.DebugFormat("Downloading tiles:");
foreach (var tileInfo in tileInfos)
{
var bytes = cache.Find(tileInfo.Index);
if (bytes == default(byte[]))
{
try
{
// log.DebugFormat("row: {0}, column: {1}, level: {2}", tileInfo.Index.Row, tileInfo.Index.Col, tileInfo.Index.Level);
var url = requestBuilder.GetUri(tileInfo);
bytes = RequestHelper.FetchImage(url);
cache.Add(tileInfo.Index, bytes);
}
catch (WebException e)
{
log.Error("Can't fetch tiles from the server", e);
}
}
else
{
log.DebugFormat("row: {0}, column: {1}, level: {2} (cached)", tileInfo.Index.Row, tileInfo.Index.Col, tileInfo.Index.Level);
}
if (bytes == null) continue;
using (var bitmap = new Bitmap(new MemoryStream(bytes)))
{
var rectangle = mapTransform.WorldToMap(tileInfo.Extent.MinX, tileInfo.Extent.MinY,
tileInfo.Extent.MaxX, tileInfo.Extent.MaxY);
DrawTile(schema, graphics, bitmap, rectangle);
}
}
}