public string GetGeoJson(BingTileQuery query)
{
int tileX, tileY, zoom;
Metrics metrics = new Metrics(this._metricsType);
metrics.Start("Global");
BoundingBoxQuery bboxQuery = BoundingBoxQuery.FromBingTileQuery(query);
// Get tile coordinates
BingMapsTileSystem.QuadKeyToTileXY(query.quadKey, out tileX, out tileY, out zoom);
Queue <string> geoJsonQueue = new Queue <string>();
foreach (string table in query.Tables())
{
string geojson = null;
//bool foundInCache = false;
//if (query.CacheMode != enDiskCacheMode.None)
//{
// // If cacheMode is Read, see if image exists on disk
// bmp = this.LoadTileFromDisc(tileX, tileY, zoom, table);
// foundInCache = bmp != null;
//}
if (geojson == null)
{
DateTime start = DateTime.Now;
geojson = GetGeoJson_BBox(bboxQuery, metrics, table);
}
//// Save to disc if image not empty and cacheMode is ReadWrite
//if (query.CacheMode == enDiskCacheMode.ReadWrite
// && !foundInCache
// && bmp != null
// && bmp.Tag == null)
// this.SaveTileToDisc(tileX, tileY, zoom, table, bmp);
geoJsonQueue.Enqueue(geojson);
}
return(geoJsonQueue.Dequeue());
}
public Bitmap GetImage(BingTileQuery query)
{
int tileX, tileY, zoom;
Metrics metrics = new Metrics(this._metricsType);
metrics.Start("Global");
BoundingBoxQuery bboxQuery = BoundingBoxQuery.FromBingTileQuery(query);
// Get tile coordinates
BingMapsTileSystem.QuadKeyToTileXY(query.quadKey, out tileX, out tileY, out zoom);
Queue <Bitmap> bmpQueue = new Queue <Bitmap>();
foreach (string table in query.Tables())
{
Bitmap bmp = null;
bool foundInCache = false;
if (query.CacheMode != enDiskCacheMode.None)
{
// If cacheMode is Read, see if image exists on disk
bmp = this.LoadTileFromDisc(tileX, tileY, zoom, table);
foundInCache = bmp != null;
}
if (bmp == null)
{
DateTime start = DateTime.Now;
if (bboxQuery.IsBench)
{
bmp = GetBenchImageGeneric(bboxQuery, metrics, table, UseInMemoryCache);
}
else
{
//string test = GetGeoJson_BBox(bboxQuery, metrics, table);
bmp = GetImage_BBox(bboxQuery, metrics, table);
}
//else
// bmp = GetImageGeneric_FromDB(bboxQuery, metrics, table, false);
}
// Save to disc if image not empty and cacheMode is ReadWrite
if (query.CacheMode == enDiskCacheMode.ReadWrite &&
!foundInCache &&
bmp != null &&
bmp.Tag == null)
{
this.SaveTileToDisc(tileX, tileY, zoom, table, bmp);
}
bmpQueue.Enqueue(bmp);
}
metrics.Stop("Global");
if (bmpQueue.Count <= 1)
{
Bitmap bmpOut = bmpQueue.Dequeue();
#region Calculate metrics to return.
// Calculate metrics to return.
switch (_metricsType)
{
case enMetricsType.OnlyTime:
string msg = string.Empty;
foreach (var kv in metrics.GetTaskTimes())
{
msg += string.Format("{0}: {1,6:###,###} ms{2}", kv.Key, kv.Value.TotalMilliseconds, Environment.NewLine);
}
this.DrawMsgInImage(ref bmpOut, msg);
break;
default:
break;
}
#endregion
return(bmpOut);
}
else
{
Bitmap outBmp = bmpQueue.Dequeue();
using (Graphics g = Graphics.FromImage(outBmp))
{
do
{
Bitmap curBmp = bmpQueue.Dequeue();
if (curBmp.Tag != null)
{
outBmp.Tag = curBmp.Tag;
}
g.DrawImageUnscaled(curBmp, 0, 0);
curBmp.Dispose();
}while (bmpQueue.Count > 0);
}
return(outBmp);
}
}
