private async void Dialog_Click(object sender, RoutedEventArgs e)
{
if (null == mVideoFile)
{
var v = pickAndPlay(Dialog_Click, sender);
return;
}
await WvvFrameSelectorDialog.Show(MediaSource.CreateFromStorageFile(mVideoFile), (FrameworkElement)sender, (dlg, position, stream) =>
{
using (stream)
{
stream.Seek(0);
var image = new BitmapImage();
image.DecodePixelWidth = 0;
image.DecodePixelHeight = 0;
image.SetSource(stream);
mFrameImage.Source = image;
//var decoder = await BitmapDecoder.CreateAsync(stream);
//var softwareBitmap = await decoder.GetSoftwareBitmapAsync();
//if (softwareBitmap.BitmapPixelFormat != BitmapPixelFormat.Bgra8 ||
// softwareBitmap.BitmapAlphaMode == BitmapAlphaMode.Straight)
//{
// softwareBitmap = SoftwareBitmap.Convert(softwareBitmap, BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied);
//}
//var source = new SoftwareBitmapSource();
//await source.SetBitmapAsync(softwareBitmap);
//mFrameImage.Source = source;
}
});
}
/**
* ダイアログを表示する。
*/
public static async Task <bool> Show(MediaSource source, FrameworkElement anchor, WvvFrameSelectedHandler onSelected)
{
if (null == onSelected)
{
return(false);
}
var content = new WvvFrameSelectorDialog(source, onSelected);
await WvvDialog.Show(content, anchor);
return(true);
}