public override tiles_output getTile(int zoomLevel, int column, int row)
{
tiles_output result = null;
int currentZoomLevel = zoomLevel;
try
{
maxzoom_output value = getMaxZoom();
int maxZoom = value.value;
if (zoomLevel > maxZoom)
{
currentZoomLevel = maxZoom;
}
}
catch (Exception)
{
}
tiles til = db.Query <tiles>("SELECT * FROM tiles WHERE zoom_level = ? AND tile_column = ? AND tile_row = ?", currentZoomLevel, column, row).FirstOrDefault();
if (til != null)
{
string data = ConstantMbTilePlugin.Base64EncodeByte(til.tile_data);
result = new tiles_output(data);
}
return(result);
}
public maxzoom_output getMaxZoom()
{
maxzoom_output result = null;
tiles zoom_max = db.Query<tiles>("SELECT * FROM tiles ORDER BY zoom_level DESC LIMIT 1").FirstOrDefault();
if (zoom_max != null)
{
result = new maxzoom_output(zoom_max.zoom_level);
}
return result;
}
public override maxzoom_output getMaxZoom()
{
maxzoom_output result = null;
tiles zoom_max = db.Query <tiles>("SELECT * FROM tiles ORDER BY zoom_level DESC LIMIT 1").FirstOrDefault();
if (zoom_max != null)
{
result = new maxzoom_output(zoom_max.zoom_level);
}
return(result);
}
public override tiles_output getTile(int zoomLevel, int column, int row)
{
tiles_output result = null;
int currentZoomLevel = zoomLevel;
try
{
maxzoom_output max = getMaxZoom();
if (max != null)
{
int maxZoom = max.value;
if (zoomLevel > maxZoom)
{
currentZoomLevel = maxZoom;
}
}
}
catch (Exception)
{
}
try
{
JObject metadata = getMetadataObject();
if (metadata != null)
{
string name = (string)metadata.GetValue(ConstantMbTilePlugin.KEY_NAME);
string version = (string)metadata.GetValue(ConstantMbTilePlugin.KEY_VERSION);
string format = (string)metadata.GetValue(ConstantMbTilePlugin.KEY_FORMAT);
if (name != null && version != null && format != null)
{
/// get path of tiles
string tileFile = this.mapDirectory + "\\" + version + "\\" + name + "\\" +
currentZoomLevel.ToString() + "\\" + column.ToString() + "\\" + row.ToString() + "." + format;
/// encode raw
string raw = readText(tileFile);
if (raw != null)
{
string data = ConstantMbTilePlugin.Base64Encode(raw);
result = new tiles_output(data);
}
}
}
}
catch (Exception)
{
}
return(result);
}
public maxzoom_output getMaxZoom()
{
maxzoom_output result = null;
try
{
List<int> zoomLevels = getZoomLevels();
if (zoomLevels.Count > 0)
{
result = new maxzoom_output(zoomLevels.ElementAt(zoomLevels.Count - 1));
}
}
catch (Exception)
{
// Add log
}
return result;
}
public override maxzoom_output getMaxZoom()
{
maxzoom_output result = null;
try
{
List <int> zoomLevels = getZoomLevels();
if (zoomLevels.Count > 0)
{
result = new maxzoom_output(zoomLevels.ElementAt(zoomLevels.Count - 1));
}
}
catch (Exception)
{
// Add log
}
return(result);
}