public static byte[] AddMetadata(byte[] data, WallpaperInfo info)
{
using (var stream = new MemoryStream(data))
{
var decoder = new JpegBitmapDecoder(
stream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.OnLoad);
var metadata = decoder.Metadata;
if (metadata is null)
{
metadata = new BitmapMetadata("jpg");
}
metadata.Copyright = info.Copyright;
metadata.Title = info.Title;
var frame = decoder.Frames[0];
var encoder = new JpegBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(frame, frame.Thumbnail, metadata, frame.ColorContexts));
using (var outputStream = new MemoryStream())
{
encoder.Save(outputStream);
return(outputStream.ToArray());
}
}
}
public static void SaveToFile(byte[] data, WallpaperInfo info)
{
using (var stream = File.OpenWrite(info.FullFileName))
{
//data = SetMetadata(data, info);
stream.Write(data, 0, data.Length);
}
}