public MapTileStoredDataSource(string url)
{
Uri = url;
_fileStream = new FileStream(url, FileMode.Open);
MapTiledZone mapTiledZone = new MapTiledZone(_fileStream);
_mapTileStreamReader = new MapTileStreamReader();
_mapTileStreamReader.AddZone(mapTiledZone);
_mapTileStreamReader.Open();
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 20JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Remove a map zone from map's zone collection.
* @param mapZone map zone to be removed.
*/
public void RemoveZone(MapTiledZone mapZone)
{
lock (_mapTiledZones)
{
if (_mapTiledZones.Contains(mapZone))
{
_mapTiledZones.Remove(mapZone);
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 20JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Inserts the specified map zone to map's zone collection at the
* specified index. Each map zone in map's zone collection with an index
* greater or equal to the specified index is shifted upward to have an
* index one greater than the value it had previously.
* @param mapZone the map zone to insert.
* @param index where to insert the new map zone.
*/
public void InsertZone(MapTiledZone mapZone, int index)
{
lock (_mapTiledZones)
{
if (!_mapTiledZones.Contains(mapZone))
{
_mapTiledZones.Insert(index, mapZone);
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 20JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Add a map zone to map's zone collection.
* @param mapZone a map zone to Add.
*/
public void AddZone(MapTiledZone mapZone)
{
lock (_mapTiledZones)
{
if (!_mapTiledZones.Contains(mapZone))
{
mapZone._readListener = _readListener;
_mapTiledZones.Add(mapZone);
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 20JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Add a map zone to map's zone collection.
* @param mapZone a map zone to Add.
*/
public void AddZone(MapTiledZone mapZone)
{
lock (_mapTiledZones)
{
if (!_mapTiledZones.Contains(mapZone))
{
mapZone._readListener = _readListener;
_mapTiledZones.Add(mapZone);
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 20JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* return map zone object of given index.
* @param index index of the map zone.
* @return map zone object of given index.
*/
public MapTiledZone GetMapZone(int index)
{
lock (_mapTiledZones)
{
MapTiledZone mapZone = null;
if (index >= 0 && index < _mapTiledZones.Count)
{
mapZone = (MapTiledZone)_mapTiledZones[index];
}
return(mapZone);
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 20JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Moves a zone in the Zone collection to change the order in which
* zones are drawn.
* @param from Index number of the zone to move. The topmost zone is 0.
* @param to New location for the zone. For example, if you want it to be
* the second zone, use 1
*/
public void MoveZone(int from, int to)
{
lock (_mapTiledZones)
{
if (from < 0 || from >= _mapTiledZones.Count ||
to < 0 || to >= _mapTiledZones.Count)
{
return;
}
MapTiledZone mapZoneFrom = (MapTiledZone)_mapTiledZones[from];
MapTiledZone mapZoneTo = (MapTiledZone)_mapTiledZones[to];
_mapTiledZones[from] = mapZoneTo;
_mapTiledZones[to] = mapZoneFrom;
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 20JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Open the map.
* @throws IOException if there's problem opening the map.
*/
public void Open()
{
lock (_mapTiledZones)
{
int layerCount = _mapTiledZones.Count;
if (layerCount > 0)
{
((MapTiledZone)_mapTiledZones[0]).Open();
_bounds = ((MapTiledZone)_mapTiledZones[0]).Bounds;
}
else
{
_bounds = new GeoLatLngBounds();
}
for (int i = 1; i < layerCount; i++)
{
MapTiledZone mapTiledZone = (MapTiledZone)_mapTiledZones[i];
mapTiledZone.Open();
GeoBounds.Union(mapTiledZone.Bounds, _bounds, _bounds);
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 20JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* @inheritDoc
*/
public override void GetImage(int mtype, int x, int y, int zoomLevel)
{
byte[] imgBuffer = null;
try
{
lock (_mapTiledZones)
{
int zoneCount = _mapTiledZones.Count;
for (int i = 0; i < zoneCount; i++)
{
MapTiledZone mapTiledZone
= (MapTiledZone)_mapTiledZones[i];
imgBuffer = mapTiledZone.GetImage(zoomLevel, x, y);
if (imgBuffer != null)
{
break;
}
}
}
}
catch (IOException e)
{
//inglore the error
}
if (imgBuffer == null)
{
IsImagevalid = false;
ImageArray = null;
}
else
{
ImageArray = imgBuffer;
IsImagevalid = true;
ImageArraySize = ImageArray.Length;
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 20JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Remove a map zone from map's zone collection.
* @param mapZone map zone to be removed.
*/
public void RemoveZone(MapTiledZone mapZone)
{
lock (_mapTiledZones)
{
if (_mapTiledZones.Contains(mapZone))
{
_mapTiledZones.Remove(mapZone);
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 20JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Inserts the specified map zone to map's zone collection at the
* specified index. Each map zone in map's zone collection with an index
* greater or equal to the specified index is shifted upward to have an
* index one greater than the value it had previously.
* @param mapZone the map zone to insert.
* @param index where to insert the new map zone.
*/
public void InsertZone(MapTiledZone mapZone, int index)
{
lock (_mapTiledZones)
{
if (!_mapTiledZones.Contains(mapZone))
{
_mapTiledZones.Insert(index, mapZone);
}
}
}
