public void loadImages(MapPackage pkg)
{
Hashtable parts = new Hashtable();
try
{
string pathToParts = this.mapsDir + "\\zoom_" + pkg.getZoom() + "\\" + pkg.getName() + "\\parts";
DirectoryInfo partsDirInfo = new DirectoryInfo(pathToParts);
string searchPattern = "*";
if (pkg.getPartsFormat() != "")
{
searchPattern += "." + pkg.getPartsFormat();
}
foreach (FileInfo partFileInfo in partsDirInfo.GetFiles(searchPattern))
{
String partFileName = partFileInfo.Name;
// remove extension
char[] s = ".".ToCharArray();
String name = partFileName.Split(s)[0];
// get part coordinates (not geografical)
s = "_".ToCharArray();
String[] pointStr = name.Split(s);
// NOTE: part images are named inversely, row number is first then col number
Point p = new Point(Convert.ToInt32(pointStr[1]), Convert.ToInt32(pointStr[0]));
Bitmap img = new Bitmap(pathToParts + "\\" + partFileInfo.ToString());
parts[p] = img;
}
}
catch (Exception e)
{
Debug.WriteLine("MapPkgRepository: loadImages: error during images load!");
throw new MapPkgRepositoryException("error during images load", e);
}
try
{
// after successfully loading parts set them in map pkg
foreach (DictionaryEntry part in parts)
{
pkg.setPart((Point)part.Key, (Bitmap)part.Value);
}
}
catch (Exception e)
{
pkg.freeParts();
Debug.WriteLine("MapPkgRepository: loadImages: error during images put to map pkg!");
throw new MapPkgRepositoryException("error during images put to map pkg", e);
}
}
/// <summary>
/// Find map package by coordinates in the source.
/// </summary>
/// <returns>MapPackage instance.</returns>
public MapPackage findMapPkg(double latitude, double longitude, int zoom)
{
//foreach (MapPackage mapPkg in this.recentlyUsedMapPkgs)
// iterate in reverse to start from the newest
for (int i = this.recentlyUsedMapPkgs.Count - 1; i >= 0; i--)
{
MapPackage mapPkg = this.recentlyUsedMapPkgs[i];
if (mapPkg.getZoom() == zoom && mapPkg.coordinatesMatches(latitude, longitude))
{
//Debug.WriteLine("MapSourceMem: findMapPkg: found map pkg: " + mapPkg);
return(mapPkg);
}
}
Debug.WriteLine("MapSourceMem: findMapPkg: not found pkg for: ("
+ latitude + "; " + longitude + "), zoom: " + zoom);
return(null);
}
