public ClickToChangePictureViewModel() { _myImage1 = new BitmapImage(new Uri("ms-appx:///Images/110Banana.png")); _myImage2 = new BitmapImage(new Uri("ms-appx:///Images/110Lemon.png")); ClickCommand = new RelayCommand(ChangeIamges); ChangeIamges(); }
private DemoItemData generateDemoItemData(Uri imageUri, Color color, String colorTypeName, BitmapSource bitmapSource = null) { return new DemoItemData() { ImageUri = imageUri, BackgroundColor = color, ColorTypeName = color == Colors.Transparent ? colorTypeName + ", Failed" : colorTypeName, BitmapSource = bitmapSource }; }
public TaskItem(string id, string title, string description, BitmapImage img, DateTime datetime, string filepath, string name, string _comment) { this.id = id; //生成id this.title = title; this.description = description; this.datetime = datetime; completed = false; //默认为未完成 this.filepath = filepath; source = img; username = name; comments = _comment; }
static async void SetUriSourceAsync(BitmapSource image, Uri uri) { try { using (var inputStream = await httpClient.GetInputStreamAsync(uri)) using (var stream = new InMemoryRandomAccessStream()) { await RandomAccessStream.CopyAsync(inputStream, stream); stream.Seek(0); await image.SetSourceAsync(stream); } } catch { store.Value.Remove(uri); } }
public void ChangeBGImage(BitmapSource newImg) { ImageBrush i1 = this.BgImage1; // 1 在底层 (换成新图片后) 透明度逐渐增加, 2在顶层颜色逐渐变淡, 结束后 2图片改为新图,然后 显示2,隐藏1 ImageBrush i2 = this.BgImage2; if (this.milliSeconds == 0) { i2.ImageSource = (BitmapSource)(newImg); if (this.ImgChangeDone != null) { this.ImgChangeDone(this, true); } return; } i1.ImageSource = (BitmapSource)(newImg); Grid g1 = this.G1; Grid g2 = this.G2; Storyboard sb1 = AnimationFactory.CreateDoubleSB(g1, "Opacity", this.milliSeconds, 1); Storyboard sb2 = AnimationFactory.CreateDoubleSB(g2, "Opacity", this.milliSeconds + 500, 0); sb2.Completed += (s, ee) => { i2.Stretch = Stretch.UniformToFill; i2.ImageSource = i1.ImageSource; g2.Opacity = 1; g1.Opacity = 0; if (this.ImgChangeDone != null) { this.ImgChangeDone(this, true); } }; sb1.Begin(); sb2.Begin(); }
public void updatetaskitem(string id, string title, string description, DateTime datetime, BitmapSource bitmapimage, string filepath, string username, string comment) { if (this.selectedItem != null) { using (var tasklist = App.conn.Prepare("update taskitem set Title = ?, Detail = ?, Datetime = ?, Filepath = ?, Username = ?, Comment = ? where id = ?")) { tasklist.Bind(1, title); tasklist.Bind(2, description); tasklist.Bind(3, datetime.Date.ToString("yyyy-MM-dd", DateTimeFormatInfo.InvariantInfo)); tasklist.Bind(4, filepath); tasklist.Bind(5, username); tasklist.Bind(6, comment); tasklist.Bind(7, id); tasklist.Step(); } } getItemFromDB(); this.selectedItem = null; }
//display an image public void setImg(Image i, BitmapSource bms) { i.Source = bms; i.Opacity = 2; }
public Thumbnail(string name, BitmapSource bitmap) { this.Name = name; this.Bitmap = bitmap; }
private async void LoadData() { TunesUser user = this.m_accountService.User; if (user != null && !string.IsNullOrEmpty(user.UserName)) { this.Playlist = await this.m_dataService.GetPlaylistByIdWithNumberOfEntries(this.PlaylistId, user.UserName); if (this.Playlist != null) { this.FormatNumberOfEntriesString(); System.Collections.ObjectModel.ObservableCollection<Guid> albumIds = await this.m_dataService.GetPlaylistImageIdsById(this.Playlist.Id, user.UserName, 4); if (albumIds != null) { try { this.ImageSource = await this.m_cacheableBitmapService.GetBitmapSource( new ObservableCollection<Uri>(albumIds.Select(id => this.m_dataService.GetImage(id, true))), this.Playlist.Guid.ToString(), 160, true); } catch { }; } } } }
private void SendImage(BitmapSource image, SenderSide side = SenderSide.Local) { var chatImage = new ChatImageViewModel() { Image = image, SentDateTime = DateTime.Now, SenderSide = side }; ChatItems.Add(chatImage); }
public PendingTile(Tile tile, Uri uri) { Tile = tile; Uri = uri; Image = new BitmapImage(); }
private async Task<bool> LoadImageFromStream(Tile tile, BitmapSource image, IRandomAccessStream stream) { var completion = new TaskCompletionSource<bool>(); var action = image.Dispatcher.RunAsync( CoreDispatcherPriority.Normal, async () => { try { await image.SetSourceAsync(stream); tile.SetImage(image, true, false); completion.SetResult(true); } catch (Exception ex) { Debug.WriteLine(ex.Message); tile.SetImage(null); completion.SetResult(false); } }); return await completion.Task; }
private async Task<bool> LoadImageFromHttpResponse(HttpResponseMessage response, Tile tile, BitmapSource image, string cacheKey) { using (var stream = new InMemoryRandomAccessStream()) { using (var content = response.Content) { await content.WriteToStreamAsync(stream); } await stream.FlushAsync(); stream.Seek(0); var loaded = await LoadImageFromStream(tile, image, stream); if (loaded && cacheKey != null) { var buffer = new Windows.Storage.Streams.Buffer((uint)stream.Size); stream.Seek(0); await stream.ReadAsync(buffer, buffer.Capacity, InputStreamOptions.None); var maxAge = DefaultCacheExpiration; if (response.Headers.CacheControl.MaxAge.HasValue && response.Headers.CacheControl.MaxAge.Value < maxAge) { maxAge = response.Headers.CacheControl.MaxAge.Value; } await Cache.SetAsync(cacheKey, buffer, DateTime.UtcNow.Add(maxAge)); } return loaded; } }
private async Task<bool> DownloadImage(Tile tile, BitmapSource image, Uri uri, string cacheKey) { try { using (var httpClient = new HttpClient(new HttpBaseProtocolFilter { AllowAutoRedirect = false })) using (var response = await httpClient.GetAsync(uri)) { if (response.IsSuccessStatusCode) { return await LoadImageFromHttpResponse(response, tile, image, cacheKey); } Debug.WriteLine("{0}: ({1}) {2}", uri, (int)response.StatusCode, response.ReasonPhrase); } } catch (Exception ex) { Debug.WriteLine("{0}: {1}", uri, ex.Message); } return false; }