public async Task RetrieveImage()
{
if (retrievingImage)
{
return;
}
retrievingImage = true;
try
{
HttpHelper.TryGetImage(URL, out img);
UpdatePreview();
ImageUpdated?.Invoke(this);
retrievingImage = false;
}
catch
{
ImageScraper.TryGetImage(URL, (bmp) =>
{
if (bmp == null)
{
return;
}
img = bmp;
UpdatePreview();
ImageUpdated?.Invoke(this);
retrievingImage = false;
});
}
}
/// <summary>
/// Updates the userInfo with a stream. Does not upload to datastore
/// </summary>
/// <param name="data"></param>
public void UpdateImage(Stream data)
{
image = new byte[data.Length];
data.Position = 0;
data.Read(image, 0, (int)data.Length);
data.Position = 0;
ImageUpdated?.Invoke(userId);
}
private void UpdateVisual()
{
using (var g = Graphics.FromImage(Image))
{
g.Clear(_backColor);
foreach (var cell in _cells)
{
g.DrawImage(cell.Image, new Point(cell.PosX * CellPixelWidth, cell.PosY * CellPixelHeight));
}
}
ImageUpdated?.Invoke(this, EventArgs.Empty);
}
private void OnThumbnailClicked(object sender, RoutedEventArgs e)
{
var button = (ButtonBase)sender;
if (button.FindName("Thumbnail") is Image image)
{
Banner.Source = image.Source;
BannerTitle.Text = button.Tag.ToString();
BannerEnter.Begin();
ImageUpdated.Invoke(this, new ImageUpdatedEventArgs(Banner.Source));
}
ScrollToCenterOfViewport(sender);
}
protected override IEnumerable <CommandDefinition> GetCommand(object evt)
{
var command = evt switch
{
UserRegistered e => new UserRegisteredInsert(e)
.CommandDefinition,
EmailUpdated e => new CommandDefinition("update Accounts set Email=@Email where StreamId=@StreamId", e),
PasswordUpdated e => new CommandDefinition("update Accounts set PasswordHash=@PasswordHash where StreamId=@StreamId", e),
BioUpdated e => new CommandDefinition("update Accounts set Bio=@Bio where StreamId=@StreamId", e),
ImageUpdated e => new CommandDefinition("update Accounts set Image=@Image where StreamId=@StreamId", e),
UsernameUpdated e => new CommandDefinition("update Accounts set Username=@Username where StreamId=@StreamId", e),
AccountFollowed e => new CommandDefinition("insert into Followers (FollowedUserId, FollowingUserId) values (@FollowedId, @StreamId)", e),
AccountUnfollowed e => new CommandDefinition("delete from Followers where FollowedUserId=@UnfollowedId and FollowingUserId=@StreamId", e),
_ => default
};
return(ArrayOf(command));
}
public void LoadImages()
{
Banner.Source = new BitmapImage(new Uri(_photos[0].Url));
BannerTitle.Text = _photos[0].Title;
ImageUpdated.Invoke(this, new ImageUpdatedEventArgs(Banner.Source));
// TODO 1.2: [ItemsRepeater] - Auto-select first photo when loaded.
//Repeater.Loaded += async (s, e) =>
//{
// // ChangeView can be called only when the layout has completed, hence waiting in the Loaded event.
// ImageList.ChangeView((Layout.ItemWidth + Layout.Spacing) * 500, null, null, true);
// ScrollToCenterOfViewport(s);
// // Auto-select first photo.
// await Task.Delay(1200);
// var first = Repeater.FindDescendants<RadioButton>().Where(r => r.Tag.Equals(_photos[0].Title)).FirstOrDefault();
// if (first != null) first.IsChecked = true;
//};
}
private void NextAction()
{
try
{
_imageUpdateTimer.Stop();
if (_images == null || _images.Count == _currentIndex)
{
_logger.Info("Loading Images...");
_images = Task.Run(() => _insta.GetMedia()).GetAwaiter().GetResult();
_logger.Info($"Loaded {_images.Count} images");
_currentIndex = 0;
}
else
{
var image = _images[_currentIndex++];
_logger.Debug($"Displaying image {_currentIndex} of {_images.Count} (user: {image.User})");
Application.Current.Dispatcher.Invoke(
() =>
{
BitmapImage bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.UriSource = new Uri(image.Url, UriKind.Absolute);
bitmap.EndInit();
ImageUpdated?.Invoke(this, new NewImageEvent(bitmap, image.User));
});
}
}
catch (Exception ex)
{
_logger.Error($"Error occured while trying to get or display images. {ex}");
}
finally
{
_imageUpdateTimer.Start();
}
}
public Image InspectImage(string id)
{
ImageUpdated?.Invoke();
return(null);
}
public void NotifyImageUpdated()
{
ImageUpdated?.Invoke();
}
/// <summary>
/// Pull the user's image from the datastore if it exists.
/// </summary>
/// <returns></returns>
public async Task UpdateImage()
{
await TryGetUserImage();
ImageUpdated?.Invoke(userId);
}
public void Update()
{
ImageUtils.PopulateMinMax(this);
_tags[ImageHandlerTagKeys.Thumbnail] = ThumbnailGenerator.Generate(this);
ImageUpdated?.Invoke(new ImageUpdatedEventData(false));
}
/// <summary>
/// Accept selected/taken photo
/// </summary>
/// <returns>Task completed</returns>
private async Task Accept()
{
ImageUpdated?.Invoke(this, _imagePath);
await _pageService.PopAsync();
}
/// <summary>
/// 画像更新完了イベントコールバック追加
/// </summary>
/// <param name="callback"></param>
public void AddImageUpdated(ImageUpdated callback)
{
this.imageUpdated += callback;
}
public void UpdateImage(byte[] fftData, int osVerticalScale, Color backgroundColor, Color foregroundColor)
{
ImageUpdated?.Invoke(this, new ImageUpdatedEventArgs(fftData, osVerticalScale, backgroundColor, foregroundColor));
}
