private List <DownloadLevelTile> GetDownloadLevelTiles(DownloadLevelCfg downloadLevelCfg)
{
int count = downloadLevelCfg.TileGPoints.Count;
List <DownloadLevelTile> downloadLevelTiles = new List <DownloadLevelTile>(count);
for (int i = 0; i < count; ++i)
{
DownloadLevelTile downloadLevel = new DownloadLevelTile(downloadLevelCfg.TileGPoints[i], downloadLevelCfg.ZoomLevel);
downloadLevelTiles.Add(downloadLevel);
}
return(downloadLevelTiles);
}
private void DownloadFailedTiles()
{
while (!IsComplete)
{
if (downloadFailedTiles.IsEmpty)
{
Thread.Sleep(5000);
continue;
}
DownloadLevelTile tile = null;
downloadFailedTiles.TryDequeue(out tile);
if (tile != null)
{
GPoint p = tile.TilePoint;
int zoom = tile.TileZoom;
try
{
if (CacheTiles(zoom, p, provider))
{
lock (locker)
{
++downloadSize;
if (downloadSize == allTileSize)
{
IsComplete = true;
}
}
}
else
{
downloadFailedTiles.Enqueue(tile);
}
}
catch (Exception ex)
{
}
}
}
log.Info("Download failed tiles complete.");
}