/// <summary>
/// Handles incomplete tiles by copying them to the temporary working directory
/// </summary>
/// <param name="tile">The incomplete tile to copy</param>
private void HandleIncompleteTile(Tile tile)
{
string tmpDir = FS.BuildTempDir(AppController.OutputPath);
string copyTo = FS.BuildTempPath(tmpDir, tile.ZoomLevel.ToString(), tile.Coords.Y.ToString(), tile.GetName(), tile.Atlas);
File.Copy(tile.Path, copyTo, true);
}
/// <summary>
/// Handles a single merge job
/// </summary>
/// <param name="mergeJob">The merge job to handle</param>
private void HandleMergeJob(List <Tile> mergeJob)
{
int jobSize = mergeJob.Count;
if (jobSize > 0)
{
string tmpDir = FS.BuildTempDir(AppController.OutputPath);
Tile currentTile = mergeJob[0];
if (jobSize > 1)
{
// There are multiple tiles to merge
if (ApplicationController.Instance.EnableVerboseLogging)
{
AppController.Logger.Log("Handling " + jobSize + " tiles with ID " + currentTile.GetName() + " in zoom level " + currentTile.ZoomLevel.ToString() + " and region " + currentTile.Coords.Y.ToString());
}
Tile nextTile = mergeJob[1];
string resultPath = Path.Combine(tmpDir, currentTile.ZoomLevel.ToString(), currentTile.Coords.Y.ToString());
// Merge the first two tiles
string mergeResult = MergeTiles(currentTile, nextTile, resultPath);
Tile resultingTile = new Tile(null, currentTile.ZoomLevel, currentTile.Coords, mergeResult);
AppController.Progress.Update(2);
if (jobSize > 2)
{
// Merge all the remaining tiles together
for (int i = 2; i < jobSize; i++)
{
// Clean some memory
currentTile.Clean();
currentTile = null;
nextTile.Clean();
nextTile = null;
currentTile = resultingTile;
nextTile = mergeJob[i];
mergeResult = MergeTiles(currentTile, nextTile, resultPath);
resultingTile = new Tile(null, currentTile.ZoomLevel, currentTile.Coords, mergeResult);
AppController.Progress.Update(1);
}
}
// Copy the merge tile to the final location
HandleMergedTile(resultingTile);
// Clean up tile memory
currentTile.Clean();
nextTile.Clean();
}
else
{
// There are not multiple copies of this tile. Just copy it to final destination
if (ApplicationController.Instance.EnableVerboseLogging)
{
AppController.Logger.Warn("There is only one instance of tile " + currentTile.GetName() + " in zoom level " + currentTile.ZoomLevel.ToString() + " and region " + currentTile.Coords.Y.ToString() + ". Copying it to final destination");
}
HandleIncompleteNonMergedTile(currentTile);
AppController.Progress.Update(1);
}
}
}
/// <summary>
/// Performs the cleanup at the end of the tiling.
/// </summary>
private void Cleanup()
{
AppController.Logger.Log("Cleaning up the temporary directory");
Directory.Delete(FS.BuildTempDir(AppController.OutputPath), true);
}