private static async Task <BandIcon> LoadIcon(string uri)
{
StorageFile imageFile = await StorageFile.GetFileFromApplicationUriAsync(new Uri(uri));
using (IRandomAccessStream fileStream = await imageFile.OpenAsync(FileAccessMode.Read))
{
Windows.UI.Xaml.Media.Imaging.WriteableBitmap bitmap = new Windows.UI.Xaml.Media.Imaging.WriteableBitmap(1, 1);
await bitmap.SetSourceAsync(fileStream);
return(bitmap.ToBandIcon());
}
}
/// <summary>
/// Load up an icon (png) file and convert it to an actual BandIcon object to be used with creating a new tile.
/// </summary>
/// <param name="url"> Url to the icon</param>
/// <returns></returns>
private async Task <BandIcon> LoadIcon(string url)
{
//Get the Image file from disk.
Windows.Storage.StorageFile iconFile = await Windows.Storage.StorageFile.GetFileFromApplicationUriAsync(new Uri(url));
//Open up the file for random access (but stay with read>)
using (Windows.Storage.Streams.IRandomAccessStream fileStream = await iconFile.OpenAsync(Windows.Storage.FileAccessMode.Read))
{
//Create a new bitmap
Windows.UI.Xaml.Media.Imaging.WriteableBitmap iconWriteableBitmap = new Windows.UI.Xaml.Media.Imaging.WriteableBitmap(1, 1);
//Process the picture to useable bitmap.
await iconWriteableBitmap.SetSourceAsync(fileStream);
//Extension method is written to convert a bitmap to an BandIcon that we can use with the Band
return(iconWriteableBitmap.ToBandIcon());
}
}
