public MMPicture LoadOrCreate(Byte[] pictureToHandle,
String pictureName, String extension, bool DuplicateAllowed = false, Guid? pictureSourceId = null)
{
String sha1Hash = pictureToHandle.Sha1Hash().ConvertTo_Hex();
extension = extension.ToLower();
//if ((sha1Hash == "AADD0FE8A153C1EB7AC17741E779E8E85C085065")
// || (sha1Hash == "1494495D8FA25B1E01544E65B08D55FFD0823913")) //
// {
// return DataContext.MultiMedia.MMPictures.FirstOrDefault();
// }
MMPicture mmPicture = null;
if (DuplicateAllowed)
{
MMPicture[] mmPictures = FindOrLoad_via_HashCode_MultipleAllowed(sha1Hash);
if (mmPictures.Length > 0)
{
foreach (MMPicture picture in mmPictures)
{
if (picture.NameId == pictureName)
return picture;
}
}
}
else
{
mmPicture = FindOrLoad_via_HashCode(sha1Hash);
if (mmPicture != null)
{
return mmPicture;
}
}
mmPicture = NewRow();
mmPicture.Id = Guid.NewGuid();
mmPicture.HashCode = sha1Hash;
mmPicture.NameId = pictureName;
if (extension == "jpg")
{
mmPicture.TypId = Guid.Parse("9D5E28CC-BBC4-4F3B-B236-ECC9C2BB756F");
mmPicture.ValueThumb = pictureToHandle.ConvertTo_Image().ResizeToMaximum(300, 200).ConvertTo_JpgByteArray();
}
else if (extension == "png")
{
mmPicture.TypId = Guid.Parse("AC48A5BA-EFC5-41C8-825A-E6BC6660EB73");
mmPicture.ValueThumb = pictureToHandle.ConvertTo_Image().ResizeToMaximum(300, 200).ConvertTo_PngByteArray();
}
else if (extension == "bmp")
{
mmPicture.TypId = Guid.Parse("44D0A3D2-F95A-4E44-81DB-A8A8B8A8DF71");
mmPicture.ValueThumb = pictureToHandle.ConvertTo_Image().ResizeToMaximum(300, 200).ConvertTo_JpgByteArray();
}
else
{
Debug.WriteLine($"Fehler, der Typ wurde nicht erkannt --- > Hash= {sha1Hash}");
return null;
}
mmPicture.Value = pictureToHandle;
if (pictureSourceId != null)
mmPicture.PictureSourceId = pictureSourceId;
Rows.Add(mmPicture);
SaveChanges(new Object());
AcceptChanges();
return mmPicture;
}