////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Get the map tile image and stored in the map cache.
* @param mtype the map tile (msn,yahoo etc).
* @param X the X index of the map tile.
* @param Y the Y index of the map tile.
* @param zoomLevel current zoom level
*/
private void GetImage1(int mtype, int x, int y, int zoomLevel)
{
_mapType = mtype;
_mapXIndex = x;
_mapYIndex = y;
_mapZoomLevel = zoomLevel;
HttpStatusCode imgResponseCode = HttpStatusCode.NotFound;
IsImagevalid = true;
ImageArraySize = 0;
HttpWebResponse httpWResp = null;
try
{
string location = GetTileURL(mtype, x, y, NUMZOOMLEVELS - zoomLevel);
_imgConn = (HttpWebRequest)WebRequest.Create(location);
_imgConn.Proxy = WebRequest.DefaultWebProxy;
_imgConn.Proxy.Credentials = CredentialCache.DefaultCredentials;
//imgConn.Headers.Add("Accept", "image/png");
httpWResp = (HttpWebResponse)_imgConn.GetResponse();
imgResponseCode = httpWResp.StatusCode;
}
catch (Exception)
{
IsImagevalid = false;
}
if (imgResponseCode != HttpStatusCode.OK)
{
IsImagevalid = false;
}
if (IsImagevalid)
{
try
{
if (httpWResp != null)
{
int totalToReceive
= (int)(httpWResp.ContentLength);
TotaldownloadedBytes += totalToReceive;
MapProgressInputStream stream =
new MapProgressInputStream(httpWResp.GetResponseStream(),
totalToReceive, _readListener, 1024);
int totalToRead = totalToReceive;// (int)Math.Max(totalToReceive, stream.avaiable());
ImageArraySize = totalToRead;
ImageArray = new byte[totalToRead];
stream.Read(ImageArray, 0, ImageArray.Length);
stream.Close();
}
}
catch (Exception)
{
IsImagevalid = false;
ImageArray = null;
GC.Collect();
}
}
_imgConn = null;
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Get the map tile image and stored in the map cache.
* @param mtype the map tile (msn,yahoo etc).
* @param X the X index of the map tile.
* @param Y the Y index of the map tile.
* @param zoomLevel current zoom level
*/
private void GetImage1(int mtype, int x, int y, int zoomLevel)
{
_mapType = mtype;
_mapXIndex = x;
_mapYIndex = y;
_mapZoomLevel = zoomLevel;
HttpStatusCode imgResponseCode = HttpStatusCode.NotFound;
IsImagevalid = true;
ImageArraySize = 0;
HttpWebResponse httpWResp = null;
try
{
string location = GetTileURL(mtype, x, y, NUMZOOMLEVELS - zoomLevel);
_imgConn = (HttpWebRequest)WebRequest.Create(location);
_imgConn.Proxy = WebRequest.DefaultWebProxy;
_imgConn.Proxy.Credentials = CredentialCache.DefaultCredentials;
//imgConn.Headers.Add("Accept", "image/png");
httpWResp = (HttpWebResponse)_imgConn.GetResponse();
imgResponseCode = httpWResp.StatusCode;
}
catch (Exception)
{
IsImagevalid = false;
}
if (imgResponseCode != HttpStatusCode.OK)
{
IsImagevalid = false;
}
if (IsImagevalid)
{
try
{
if (httpWResp != null)
{
int totalToReceive
= (int)(httpWResp.ContentLength);
TotaldownloadedBytes += totalToReceive;
MapProgressInputStream stream =
new MapProgressInputStream(httpWResp.GetResponseStream(),
totalToReceive, _readListener, 1024);
int totalToRead = totalToReceive;// (int)Math.Max(totalToReceive, stream.avaiable());
ImageArraySize = totalToRead;
ImageArray = new byte[totalToRead];
stream.Read(ImageArray, 0, ImageArray.Length);
stream.Close();
}
}
catch (Exception)
{
IsImagevalid = false;
ImageArray = null;
GC.Collect();
}
}
_imgConn = null;
}
