public async Task <System.IO.Stream> GenerateGif(List <Snap> files, IAzureStorage storage)
{
System.IO.MemoryStream ms = new System.IO.MemoryStream();
using (MagickImageCollection collection = new MagickImageCollection())
{
for (int i = 0; i < files.Count; i++)
{
var azstream = await storage.DownloadFromStorage(files[i].FileName);
MagickImage mImage = new MagickImage(azstream);
mImage.Format = MagickFormat.Jpg;
collection.Add(mImage);
collection[i].AnimationDelay = 13;
}
// Optionally reduce colors
QuantizeSettings settings = new QuantizeSettings();
settings.Colors = 256;
collection.Quantize(settings);
// Optionally optimize the images (images should have the same size).
collection.Optimize();
// Save gif
collection.Write(ms, MagickFormat.Gif);
ms.Position = 0;
return(ms);
}
}
