private protected async Task <ImageData> OpenFromStream(IRandomAccessStreamWithContentType stream, Action <ulong, ulong?>?progress, CancellationToken ct)
{
try
{
var bytes = await stream.ReadBytesAsync(ct, progressCallback : progress);
var encodedBytes = Convert.ToBase64String(bytes);
ReportImageLoaded();
return(new ImageData
{
Kind = ImageDataKind.DataUri,
Value = "data:" + stream.ContentType + ";base64," + encodedBytes
});
}
catch (Exception ex)
{
ReportImageFailed(ex.Message);
return(new ImageData {
Kind = ImageDataKind.Error, Error = ex
});
}
}
