public static void WriteImageEntity(this Stream stream, ImageEntity entity)
{
var data = entity.Picture.ToArray();
if (entity.Compress != Compress.NONE)
{
data = FreeImage.Compress(data);
}
stream.WriteString(ENTITY_FLAG);
stream.WriteInt((int)entity.Type);
stream.WriteInt((int)entity.Compress);
stream.WriteInt(entity.Width);
stream.WriteInt(entity.Height);
stream.WriteInt(data.Length);
stream.WriteInt(entity.X);
stream.WriteInt(entity.Y);
stream.WriteInt(entity.Canvas_Width);
stream.WriteInt(entity.Canvas_Height);
stream.Write(data);
}