/// <summary>
/// Gets the image.
/// </summary>
/// <returns></returns>
public TourOperator.Models.Models.ImmagineCache GetImage(int w, int h, string id)
{
var image = _images.GetAll().Single(x => x.Id.ToString() == id);
w = (w == -1 ? image.MasterWidth : w);
h = (h == -1 ? image.MasterHeight : h);
if (image.Cache.Where(x => x.Height == h && x.Width == w).Any())
return image.Cache.Where(x => x.Height == h && x.Width == w).First();
// E' stata fatta una nuova richiesta
System.Drawing.Bitmap img = new System.Drawing.Bitmap(new System.IO.MemoryStream(image.Master));
ResamplingService resamplingService = new ResamplingService();
resamplingService.Filter = ResamplingFilters.Lanczos8;
ushort[][,] input = img.ToArray();
ushort[][,] output = resamplingService.Resample(input, w, h);
var imgCustom = output.ToBitmap();
// .. mettere qualche meccanismo di controllo
var ms = new System.IO.MemoryStream();
imgCustom.Save(ms, GetImageFormat(image.ContentType));
var imageBuffer = ms.ToArray();
// Salvo la nuova immagine nel database
var newImageCache = new TourOperator.Models.Models.ImmagineCache()
{
ETag = ETagCalc(imageBuffer),
Immagine = image,
ImageBlob = imageBuffer,
Width = w,
Height = h
};
image.Cache.Add(newImageCache);
_images.SaveOrUpdate(image);
return newImageCache;
}
