private async void PlayGif_OnPreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
ProcessingGif = true;
var metadata = await HttpClientFactory.AppApiService().GetUgoiraMetadata(Illust.Id);
var ugoiraZip = metadata.UgoiraMetadataInfo.ZipUrls.Medium;
var delay = metadata.UgoiraMetadataInfo.Frames.Select(f => f.Delay / 10).ToArray();
var streams = InternalIO.ReadGifZipEntries(await PixivIO.GetBytes(ugoiraZip)).ToArray();
ProcessingGif = false;
PlayingGif = true;
#pragma warning disable 4014
Task.Run(async() =>
{
while (!cancellationToken.IsCancellationRequested)
{
for (var i = 0; i < streams.Length && !cancellationToken.IsCancellationRequested; i++)
{
streams[i].Position = 0;
ImgSource = InternalIO.CreateBitmapImageFromStream(streams[i]);
await Task.Delay((int)delay[i], cancellationToken.Token);
}
}
});
#pragma warning restore 4014
}
public static async Task <BitmapImage> FromByteArray(byte[] bArr)
{
if (bArr == null || bArr.Length == 0)
{
return(null);
}
await using var memoryStream = new MemoryStream(bArr);
return(InternalIO.CreateBitmapImageFromStream(memoryStream));
}
private async void LoadOrigin()
{
LoadingOrigin = true;
var progress = new Progress <double>(p => Dispatcher.Invoke(() => LoadingIndicator = p));
await using var mem = await PixivIO.Download(Illust.GetDownloadUrl(), progress, cancellationTokenSource.Token);
ImgSource = InternalIO.CreateBitmapImageFromStream(mem);
LoadingOrigin = false;
((BlurEffect)ContentImage.Effect).Radius = 0;
}