private static Stream GetTileStream(TileIndex tileIndex)
{
var path = string.Format(@"Mapsui.Tests.Common.Resources.SampleTiles.{0}_{1}_{2}.png", tileIndex.Level, tileIndex.Col, tileIndex.Row);
var data = typeof(Utilities).Assembly.GetManifestResourceStream(path);
if (data == null) throw new Exception("Resource could not be found: " + path);
return data;
}
private static Stream GetTileStream(TileIndex index)
{
var path = $"Mapsui.Tests.Common.Resources.SampleTiles.{index.Level}_{index.Col}_{index.Row}.png";
var data = typeof(Utilities).GetTypeInfo().Assembly.GetManifestResourceStream(path);
if (data == null) throw new Exception($"Resource could not be found: {path}");
return data;
}
public int CompareTo(TileIndex index)
{
if (_col < index._col) return -1;
if (_col > index._col) return 1;
if (_row < index._row) return -1;
if (_row > index._row) return 1;
return String.Compare(_level, index._level, StringComparison.Ordinal);
}
public int CompareTo(TileIndex index)
{
if (col < index.col) return -1;
if (col > index.col) return 1;
if (row < index.row) return -1;
if (row > index.row) return 1;
if (level < index.level) return -1;
if (level > index.level) return 1;
return 0;
}
public int CompareTo(TileIndex index)
{
if (_col < index._col) return -1;
if (_col > index._col) return 1;
if (_row < index._row) return -1;
if (_row > index._row) return 1;
if (_level < index._level) return -1;
if (_level > index._level) return 1;
return 0;
}
private static byte[] GetTile(ITileSource tileSource, string level, int col, int row)
{
try
{
var tileInfo = new TileInfo();
var tileIndex = new TileIndex(col, row, level);
tileInfo.Index = tileIndex;
return tileSource.Provider.GetTile(tileInfo);
}
catch (WebException)
{
// intented: do nothing
return null;
}
}
public override Bitmap GetBitmap(int x, int y, Envelope envelope, int zoom)
{
var ts = TileSource;
if (ts == null) return null;
var zoomS = zoom.ToString(CultureInfo.InvariantCulture);
try
{
var index = new TileIndex(x, y, zoom.ToString(CultureInfo.InvariantCulture));
var tc = TileCache;
var bytes = tc != null ? tc.Find(index) : null;
if (bytes == null)
{
var mapVertices = new[]
{
envelope.TopLeft().X, envelope.TopLeft().Y,
envelope.BottomRight().X, envelope.BottomRight().Y
};
double[] viewExtentZ = { 0.0, 0.0 };
Reproject.ReprojectPoints(mapVertices, viewExtentZ, Wgs84Proj, _data.CrsProjectionInfo, 0, mapVertices.Length / 2);
var geogEnv = new Envelope(mapVertices[0], mapVertices[2], mapVertices[1], mapVertices[3]);
bytes = ts.Provider.GetTile(new TileInfo {Extent = ToBrutileExtent(geogEnv), Index = index});
var bm = new Bitmap(new MemoryStream(bytes));
if (tc != null)
{
tc.Add(index, bytes);
}
return bm;
}
return new Bitmap(new MemoryStream(bytes));
}
catch (Exception ex)
{
if (ex is WebException ||
ex is TimeoutException)
{
return ExceptionToBitmap(ex, TileSource.Schema.GetTileWidth(zoomS), TileSource.Schema.GetTileHeight(zoomS));
}
Debug.WriteLine(ex.Message);
}
return null;
}
public override Bitmap GetBitmap(int x, int y, Envelope envelope, int zoom)
{
var ts = TileSource;
if (ts == null) return null;
var zoomS = zoom.ToString(CultureInfo.InvariantCulture);
try
{
var index = new TileIndex(x, y, zoomS);
var tc = TileCache;
var bytes = tc != null ? tc.Find(index) : null;
if (bytes == null)
{
var extent = ToBrutileExtent(envelope);
var tileInfo = ts.Schema.GetTilesInView(extent, zoomS).FirstOrDefault();
if (tileInfo == null)
{
return null;
}
tileInfo.Index = index;
bytes = ts.Provider.GetTile(tileInfo);
var bm = new Bitmap(new MemoryStream(bytes));
if (tc != null)
{
tc.Add(index, bytes);
}
return bm;
}
return new Bitmap(new MemoryStream(bytes));
}
catch (Exception ex)
{
if (ex is WebException ||
ex is TimeoutException)
{
return ExceptionToBitmap(ex, TileSource.Schema.GetTileWidth(zoomS), TileSource.Schema.GetTileHeight(zoomS));
}
Debug.WriteLine(ex.Message);
}
return null;
}
private static List<IFeature> TileIndexToFeatures(TileIndex[] tileIndexes, ITileSource tileSource)
{
var features = new List<IFeature>();
foreach (var tileIndex in tileIndexes)
{
var tileInfo = new TileInfo
{
Index = tileIndex,
Extent = TileTransform.TileToWorld(
new TileRange(tileIndex.Col, tileIndex.Row), tileIndex.Level, tileSource.Schema)
};
var feature = new Feature
{
Geometry = new Raster(new MemoryStream(
tileSource.GetTile(tileInfo)), tileInfo.Extent.ToBoundingBox())
};
features.Add(feature);
}
return features;
}
public bool ReachedMax(TileIndex index)
{
if (_threadId != Thread.CurrentThread.ManagedThreadId) throw new Exception(CrossThreadExceptionMessage);
var retryCount = (!_retries.Keys.Contains(index)) ? 0 : _retries[index];
return retryCount > _maxRetries;
}
private void AddTile(TileIndex tileIndex)
{
_dictionary[tileIndex] = ReadFully(GetTileStream(tileIndex));
}
public bool Equals(TileIndex index)
{
return(Col == index.Col && Row == index.Row && Level == index.Level);
}
private Bitmap GetViaBrutile(int x, int y, int zoom, IEnvelope envelope)
{
if (_tileSource == null) return null;
try
{
// try cache first
var index = new TileIndex(x, y, zoom.ToString(CultureInfo.InvariantCulture));
var bytes = TileCache.Find(index);
if (bytes == null)
{
var extent = ToBrutileExtent(new Data.Extent(envelope));
var tileInfo = _tileSource.Schema.GetTilesInView(extent, zoom).First();
tileInfo.Index = index;
bytes = _tileSource.Provider.GetTile(tileInfo);
TileCache.Add(index, bytes);
}
return new Bitmap(new MemoryStream(bytes));
}
catch (Exception ex)
{
if (ex is WebException ||
ex is TimeoutException)
{
using (var bitmap = new Bitmap(_tileSource.Schema.Width, _tileSource.Schema.Height))
{
using (var graphics = Graphics.FromImage(bitmap))
{
graphics.DrawString(ex.Message, new Font(FontFamily.GenericSansSerif, 12), new SolidBrush(Color.Black),
new RectangleF(0, 0, _tileSource.Schema.Width, _tileSource.Schema.Height));
}
using (var m = new MemoryStream())
{
bitmap.Save(m, ImageFormat.Png);
return new Bitmap(m);
}
}
}
Debug.WriteLine(ex.Message);
}
return null;
}
public bool Equals(TileIndex index)
{
return(col == index.col && row == index.row && level == index.level);
}
public void PlusOne(TileIndex index)
{
if (_threadId != Thread.CurrentThread.ManagedThreadId) throw new Exception(CrossThreadExceptionMessage);
if (!_retries.Keys.Contains(index)) _retries.Add(index, 0);
else _retries[index]++;
}
public override Bitmap GetBitmap(int x, int y, Envelope envelope, int zoom)
{
var ts = TileSource;
if (ts == null) return null;
Bitmap bitMap = null;
var zoomS = zoom.ToString(CultureInfo.InvariantCulture);
var extent = ToBrutileExtent(envelope);
var tileInfo = ts.Schema.GetTilesInView(extent, zoomS).FirstOrDefault();
try
{
var index = new TileIndex(x, y, zoomS);
var tc = TileCache;
var bytes = tc != null ? tc.Find(index) : null;
if (bytes == null)
{
if (tileInfo == null)
{
return null;
}
tileInfo.Index = index;
bytes = ts.Provider.GetTile(tileInfo);
bitMap = new Bitmap(new MemoryStream(bytes));
if (tc != null)
{
tc.Add(index, bytes);
}
return bitMap;
}
return new Bitmap(new MemoryStream(bytes));
}
catch (Exception ex)
{
if (ex is WebException ||
ex is TimeoutException)
{
bitMap = ExceptionToBitmap(ex, TileSource.Schema.GetTileWidth(zoomS), TileSource.Schema.GetTileHeight(zoomS));
}
else
Debug.WriteLine(ex.Message);
}
// Esri Hyro Base Map Fix, the server doesn't put image in the response header.
if (ts is ArcGisTileSource)
{
try
{
string str = (ts as ArcGisTileSource).BaseUrl + "/tile/{zoom}/{y}/{x}";
if (str != null)
{
if (!str.Contains("{key}"))
{
str = str.Replace("{zoom}", zoomS);
str = str.Replace("{x}", x.ToString());
str = str.Replace("{y}", y.ToString());
Stream stream = (new WebClient()).OpenRead(str);
if (stream != null)
{
bitMap = new Bitmap(stream);
}
}
}
}
catch (Exception exception)
{
}
}
return bitMap;
}
public bool Equals(TileIndex index)
{
return _col == index._col && _row == index._row && _level == index._level;
}
public bool Equals(TileIndex index)
{
return col == index.col && row == index.row && level == index.level;
}
public bool Equals(TileIndex index)
{
return(_col == index._col && _row == index._row && _level == index._level);
}
