public override byte[] GetTile(Capabilities capabilities, string path, GetTile getTile)
{
byte[] buffer = null;
if (capabilities == null || string.IsNullOrWhiteSpace(path) || getTile == null)
{
return(buffer);
}
IMapLayer mapLayer = DataHelper.GetMapLayer(path);
if (mapLayer != null)
{
LayerType layerType = capabilities.Contents?.DatasetDescriptionSummary?.FirstOrDefault(x => x.Identifier?.Value == getTile.Layer && x is LayerType) as LayerType;
if (layerType != null)
{
BoundingBoxType boundingBoxType = layerType.BoundingBox?.Length > 0 ? layerType.BoundingBox[0] : layerType.WGS84BoundingBox?.Length > 0 ? layerType.WGS84BoundingBox[0] : null;
string layerTileMatrixSetStr = layerType.TileMatrixSetLink[0].TileMatrixSet;
TileMatrixSet layerTileMatrixSet = capabilities.Contents.TileMatrixSet?.FirstOrDefault(x => x.Identifier?.Value == layerTileMatrixSetStr);
TileMatrix layerTileMatrix = layerTileMatrixSet.TileMatrix?.FirstOrDefault(x => x.Identifier.Value == getTile.TileMatrix);
if (layerTileMatrix != null)
{
bool ret = WmtsHelper.ComputeTileBoundary(layerType, layerTileMatrix, getTile.TileCol, getTile.TileRow, out double tileXMin, out double tileYMin, out double tileXMax, out double tileYMax);
if (ret)
{
Extent extent = new Extent(tileXMin, tileYMin, tileXMax, tileYMax);
int tileWidth = Convert.ToInt32(layerTileMatrix.TileWidth);
int tileHeight = Convert.ToInt32(layerTileMatrix.TileHeight);
Rectangle rectangle = new Rectangle(0, 0, tileWidth, tileHeight);
using (Bitmap bmp = GetBitmap(mapLayer, extent, rectangle))
{
ImageFormat imageFormat = null;
if (string.IsNullOrWhiteSpace(getTile.Format) || !getTile.Format.Contains('/'))
{
imageFormat = ImageFormat.Png;
}
else
{
string[] formatMimeArray = getTile.Format.Split('/');
switch (formatMimeArray[1])
{
case "jpg":
imageFormat = ImageFormat.Jpeg;
break;
default:
imageFormat = ImageFormat.Png;
break;
}
}
buffer = GetBitmapBuffer(bmp, imageFormat);
}
}
}
}
mapLayer.Dispose();
}
return(buffer);
}
/// <inheritdoc />
public void DeleteMapLayer(int id)
{
IMapLayer layer = this.GetMapLayer(id);
if (layer == null)
{
return;
}
layer.Dispose();
this._layers.Remove(layer);
}
/// <inheritdoc />
public void DeleteMapLayer(int id)
{
IMapLayer layer = this.GetMapLayer(id);
if (layer == null)
{
return;
}
this._layerLock.EnterWriteLock();
try
{
layer.Dispose();
this._layers.Remove(layer);
}
finally
{
this._layerLock.ExitWriteLock();
}
}