private string GetIconString(Tag tag)
{
if (tag.ThemeIconName != null)
{
return(STOCK_ICON_DB_PREFIX + tag.ThemeIconName);
}
if (tag.Icon == null)
{
return(String.Empty);
}
byte [] data = PixbufSerializer.Serialize(tag.Icon);
return(Convert.ToBase64String(data));
}
private void SetIconFromString(Tag tag, string icon_string)
{
if (icon_string == null || icon_string == String.Empty)
{
tag.Icon = null;
}
else if (icon_string.StartsWith(STOCK_ICON_DB_PREFIX))
{
tag.ThemeIconName = icon_string.Substring(STOCK_ICON_DB_PREFIX.Length);
}
else
{
tag.Icon = PixbufSerializer.Deserialize(Convert.FromBase64String(icon_string));
}
}
public static string GenerateMD5(System.Uri uri)
{
try {
if (md5_cache.ContainsKey(uri))
{
return(md5_cache [uri]);
}
using (Gdk.Pixbuf pixbuf = ThumbnailGenerator.Create(uri))
{
byte[] serialized = PixbufSerializer.Serialize(pixbuf);
byte[] md5 = MD5Generator.ComputeHash(serialized);
string md5_string = Convert.ToBase64String(md5);
md5_cache.Add(uri, md5_string);
return(md5_string);
}
} catch (Exception e) {
Log.DebugFormat("Failed to create MD5Sum for Uri {0}; {1}", uri, e.Message);
}
return(string.Empty);
}
