static public ImageProcessingResult Process(string imageName, IBinaryRepository binaryRepository)
{
var log = new EventLog("Application")
{
Source = "Tadmap"
};
log.WriteEntry("Processing image:" + imageName, EventLogEntryType.Information);
Stream binary = binaryRepository.GetBinary(imageName);
if (binary == null)
{
log.WriteEntry("No binary found:" + imageName, EventLogEntryType.Warning);
return new ImageProcessingResult { Key = imageName, Result = ImageProcessingResult.ResultType.Failed }; // Image not available in the queue yet.
}
// If I have an image I should renew the message.
IImageSet imageSet = new ImageSet1(imageName);
int zoomLevels;
int tileSize;
imageSet.Create(binary, binaryRepository, out zoomLevels, out tileSize);
log.WriteEntry("Processing finished.", EventLogEntryType.Information);
return new ImageProcessingResult
{
Key = imageName,
Result = ImageProcessingResult.ResultType.Complete,
ZoomLevel = zoomLevels,
TileSize = tileSize
};
}
public void CreateTileSet(IBinaryRepository binaryRepository)
{
System.Drawing.Image oImage = Bitmap.FromStream(binaryRepository.GetBinary(StorageKey));
double iZoomLevel = 0;
double iMaxDimension = Math.Max(oImage.Width, oImage.Height);
int iTileSize = Convert.ToInt32(iMaxDimension);
while (iTileSize > 359)
{
iZoomLevel++;
iTileSize = Convert.ToInt32(iMaxDimension / Math.Pow(2, iZoomLevel));
}
ZoomLevels = Convert.ToInt32(iZoomLevel);
TileSize = iTileSize;
int iImageSize = Convert.ToInt32(iMaxDimension);
Bitmap oBaseImage = ImageManipulator.CenterImage(oImage as Bitmap, iImageSize, iImageSize);
while (iZoomLevel >= 0)
{
iImageSize = Convert.ToInt32(iTileSize * Math.Pow(2, iZoomLevel));
using (Bitmap oZoomedImage = ImageManipulator.Resize(oBaseImage, iImageSize, iImageSize))
{
List<List<Bitmap>> oTiles = ImageManipulator.CreateTiles(oZoomedImage, iTileSize);
for (int i = 0; i < oTiles.Count; i++)
{
for (int j = 0; j < oTiles[i].Count; j++)
{
bool bUploaded = false;
int tryCount = 0;
while (bUploaded == false && tryCount < 3)
{
try
{
using (MemoryStream oStream = new MemoryStream())
{
oTiles[i][j].Save(oStream, System.Drawing.Imaging.ImageFormat.Png);
oStream.Position = 0;
binaryRepository.Add(
oStream,
string.Format(CultureInfo.InvariantCulture, "Tile_{0}_{1}_{2}_{3}", j, i, iZoomLevel, mStorageKey),
"image.jpeg"
);
bUploaded = true;
}
}
catch (BinaryRepositoryException oException)
{
tryCount++;
if (tryCount > 3)
{
throw new BinaryRepositoryException("Failed to add tile on third attempt.", oException);
}
}
}
}
}
}
iZoomLevel--;
}
}