Код: Выделить всё
var
Stream : TMemoryStream;
J : : TJpegImage;
begin
Stream := TMemoryStream.create;
Stream.size = FullSize;
Stream.WriteBuff(buff, sizebuff);
Stream.Position := 0; // !!! reset position
J := TjpegImage.create;
J.LoadFromStream(Stream);
Stream.free;
end;