public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var imageSource = value as string;
if (imageSource != null)
{
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
if (store.FileExists(imageSource))
{
var file = store.OpenFile(imageSource, FileMode.Open, FileAccess.Read);
{
var image = new ExtendedImage();
image.LoadingCompleted += (sender, args) =>
{
var count = image.Frames.Count;
};
image.LoadingFailed += (sender, args) =>
{
};
image.SetSource(file);
return(image);
}
}
}
}
return(null);
}
public async void LoadImage(String filename)
{
var file = await KnownFolders.PicturesLibrary.GetFileAsync(filename);
ExtendedImage image = new ExtendedImage();
image.LoadingCompleted +=
(o, ea) => Dispatcher.BeginInvoke(() => { AnimatedImage.Source = image; });
image.SetSource((await file.OpenReadAsync()).AsStreamForRead());
}
public override Codec.DecodeResult Decode(Stream input)
{
var wait = new ManualResetEvent(false);
var its = new ExtendedImage();
its.LoadingCompleted += (s, e) => wait.Set();
its.LoadingFailed += (s, e) =>
{
Debug.WriteLine(e.ExceptionObject.ToString());
wait.Set();
};
its.SetSource(input);
wait.WaitOne();
return(Decode(its));
}
/// <summary>
/// Loads an image from an Url asynchronously
/// </summary>
/// <param name="location">The location of the image</param>
/// <returns>A BitmapImage, that can be set as a source</returns>
public static async Task<ExtendedImage> LoadImageFromUrlAsync(Uri location)
{
WebClient client = new WebClient();
ExtendedImage image = new ExtendedImage();
Stream source = await client.OpenReadTaskAsync(location);
if (location.ToString().EndsWith("gif", StringComparison.InvariantCultureIgnoreCase))
{
image.SetSource(source);
TaskCompletionSource<ExtendedImage> imageLoaded = new TaskCompletionSource<ExtendedImage>();
EventHandler loadingCompleteHandler = new EventHandler((sender, e) =>
{
imageLoaded.SetResult(image);
});
EventHandler<UnhandledExceptionEventArgs> loadingFailedHandler = new EventHandler<UnhandledExceptionEventArgs>((sender, e) =>
{
imageLoaded.SetResult(image);
#if DEBUG
if (System.Diagnostics.Debugger.IsAttached)
System.Diagnostics.Debugger.Break();
#endif
});
image.LoadingCompleted += loadingCompleteHandler;
image.LoadingFailed += loadingFailedHandler;
image = await imageLoaded.Task;
//Remove handlers, otherwise the object might be kept in the memory
image.LoadingCompleted -= loadingCompleteHandler;
image.LoadingFailed -= loadingFailedHandler;
}
else
{
BitmapImage bmp = new BitmapImage();
bmp.SetSource(source);
WriteableBitmap writeable = new WriteableBitmap(bmp);
image = ImageExtensions.ToImage(writeable);
}
source.Close();
return image;
}
/// <summary>
/// Modifies the source data before passing it to the target for display in the UI.
/// </summary>
/// <param name="value">The source data being passed to the target.</param>
/// <param name="targetType">The <see cref="T:System.Type"/> of data expected by the target dependency property.</param>
/// <param name="parameter">An optional parameter to be used in the converter logic.</param>
/// <param name="culture">The culture of the conversion.</param>
/// <returns>
/// The value to be passed to the target dependency property.
/// </returns>
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
object result = DependencyProperty.UnsetValue;
if (value != null)
{
var sourceAsUri = value as Uri;
if (sourceAsUri != null)
{
ExtendedImage extendedImage = new ExtendedImage();
extendedImage.UriSource = sourceAsUri;
return(extendedImage);
}
var sourceAsString = value as String;
if (sourceAsString != null)
{
ExtendedImage extendedImage = new ExtendedImage();
extendedImage.UriSource = new Uri(sourceAsString, UriKind.RelativeOrAbsolute);
return(extendedImage);
}
var sourceAsStream = value as Stream;
if (sourceAsStream != null)
{
ExtendedImage extendedImage = new ExtendedImage();
extendedImage.SetSource(sourceAsStream);
return(extendedImage);
}
var sourceAsWriteableBitmap = value as WriteableBitmap;
if (sourceAsWriteableBitmap != null)
{
return(sourceAsWriteableBitmap.ToImage());
}
var sourceAsExtendedImage = value as ExtendedImage;
if (sourceAsExtendedImage != null)
{
return(sourceAsExtendedImage);
}
}
return(result);
}
private async void LoadGifs()
{
StorageFile deleteFile = await Windows.Storage.StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appx:///Images/TaskDeleteAnimation.gif", UriKind.RelativeOrAbsolute));
ExtendedImage delteImage = new ExtendedImage();
delteImage.SetSource(await deleteFile.OpenStreamForReadAsync());
this.TaskDeleteAnimation.Source = delteImage;
StorageFile completeFile = await Windows.Storage.StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appx:///Images/TaskCompleteAnimation.gif", UriKind.RelativeOrAbsolute));
ExtendedImage completeImage = new ExtendedImage();
completeImage.SetSource(await completeFile.OpenStreamForReadAsync());
this.TaskCompleteAnimation.Source = completeImage;
}
private void ApplyImageSource()
{
if (ElementImageBrush != null)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
ElementImageBrush.Stretch = Stretch;
if (Source == null)
{
ElementImageBrush.Stretch = Stretch.Uniform;
ElementImageBrush.Source = DefaultImage;
return;
}
#region jpeg/png
try
{
using (var memStream = new MemoryStream(Source))
{
memStream.Position = 0;
var bitmapImage = new BitmapImage();
bitmapImage.SetSource(memStream);
ElementImageBrush.Source = bitmapImage;
}
}
#endregion
#region others
catch (Exception exception)
{
Debug.WriteLine("set gif image. length: {0}", Source.Length);
using (var memStream = new MemoryStream(Source))
{
memStream.Position = 0;
var extendedImage = new ExtendedImage();
extendedImage.SetSource(memStream);
extendedImage.LoadingCompleted += (o, e) =>
{
var ei = o as ExtendedImage;
ElementImageBrush.Source = ei.ToBitmap();
};
}
}
#endregion
});
}
}
/// <summary>
/// Handles the Click event of the LoadImageButton control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
private void LoadImageButton_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Multiselect = false;
// Define the filter to load all format that can be handled by image tools.
openFileDialog.Filter = "Image Files (*.jpg;*.png;*.bmp;*gif)|*.jpg;*.png;*.bmp;*.gif";
if (openFileDialog.ShowDialog() == true)
{
FileInfo fileInfo = openFileDialog.File;
ExtendedImage extendedImage = new ExtendedImage();
extendedImage.SetSource(fileInfo.OpenRead());
Image.Source = extendedImage;
}
}
public static WriteableBitmap GetBitmapSource(byte[] data)
{
using (MemoryStream ms = new MemoryStream(data))
{
try
{
// Tries to load the image using Windows Phone's internals.
BitmapImage image = null;
image = new BitmapImage();
image.SetSource(ms);
return(new WriteableBitmap(image));
}
catch (Exception)
{
try
{
// Resets the memory stream's position.
ms.Position = 0;
// It didn't work. Now try with ImageTools.
ExtendedImage eim = new ExtendedImage();
eim.SetSource(ms);
// Gets the image source for the image.
WriteableBitmap bs = GetBitmapSource(eim);
if (bs == null)
{
// Something went wrong.
DebugUtils.DumpData(data, "ImageTools failed to generate an image source.");
}
return(bs);
}
catch (Exception e)
{
// Dump data!
DebugUtils.DumpData(data, e);
return(null);
}
}
}
}
private void UpdateImage()
{
if (SourceStream == null)
{
return;
}
SourceStream.Seek(0, SeekOrigin.Begin);
try
{
if (IsGif)
{
GifImage = new ExtendedImage();
GifImage.SetSource(SourceStream);
}
else
{
Image = new BitmapImage();
Image.SetSource(SourceStream);
SourceStream.Dispose();
SourceStream = null;
}
OnImageOpened();
}
catch
{
Image = null;
GifImage = null;
if (!IsGif && IsEmotion)
{
IsGif = !IsGif;
UpdateImage();
}
else
{
OnImageOpenFailed();
}
}
}
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (NavigationContext.QueryString.TryGetValue("imageUri", out imageFileName))
{
FilenameText.Text = imageFileName;
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream(imageFileName, System.IO.FileMode.Open, IsolatedStorageFile.GetUserStoreForApplication()))
{
// Allocate an array large enough for the entire file
byte[] data = new byte[stream.Length];
// Read the entire file and then close it
stream.Read(data, 0, data.Length);
stream.Close();
ExtendedImage image = new ExtendedImage();
image.LoadingCompleted +=
(o, ea) => Dispatcher.BeginInvoke(() => { AnimatedImage.Source = image; });
image.SetSource(new MemoryStream(data));
}
}
}
// 이미지 로딩 부분 UI 스레드에서 이루어짐
private async Task LoadImageAsync(ListBox panel, Grid grid, Picture pic)
{
// Status를 위한 텍스트 블럭 삽입
var status = new TextBlock();
try
{
status.Text = "[이미지를 불러오는 중..]";
grid.Children.Add(status);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(HttpUtility.HtmlDecode(pic.Uri));
request.UserAgent = "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0)";
request.Method = "GET";
// 빈 스트링인 경우 요청이 예외가 난다
if (pic.Referer != string.Empty)
{
request.Headers["Referer"] = pic.Referer;
}
request.CookieContainer = WebClientEx.CookieContainer;
HttpWebResponse response = (HttpWebResponse)await Task <WebResponse> .Factory.FromAsync(request.BeginGetResponse, request.EndGetResponse, null);
MemoryStream stream = new MemoryStream((int)response.ContentLength);
await response.GetResponseStream().CopyToAsync(stream);
stream.Seek(0, SeekOrigin.Begin);
if (response.ContentType.Equals("image/gif", StringComparison.CurrentCultureIgnoreCase))
{
// grid의 위치를 알아내고
int i = panel.Items.IndexOf(grid) + 1;
ExtendedImage source = new ExtendedImage();
source.SetSource(stream);
var image = new AnimatedImage();
image.Source = source;
image.Tap += image_Tap;
image.Tag = pic;
image.LoadingFailed += (o, e) =>
{
var tb = new TextBlock();
tb.Text = "로딩 실패";
tb.Foreground = new SolidColorBrush(Colors.Red);
grid.Children.Add(tb);
};
panel.Items.Insert(i, image);
}
// 이상하게도 PictureDecoder.DecodeJpeg이 png까지 디코딩을 할 수가 있어서.. 그냥 쓰고 있다
else if (response.ContentType.Equals("image/jpg", StringComparison.CurrentCultureIgnoreCase) ||
response.ContentType.Equals("image/jpeg", StringComparison.CurrentCultureIgnoreCase) ||
response.ContentType.Equals("image/png", StringComparison.CurrentCultureIgnoreCase))
{
// 큰 이미지를 잘게 나눈다
var wbmps = await Task.Factory.StartNew(() => LoadImage(stream));
// grid의 위치를 알아내고
int i = panel.Items.IndexOf(grid) + 1;
foreach (var wbmp in wbmps)
{
var image = new Image();
image.Source = wbmp;
image.Tag = pic;
image.Tap += image_Tap;
panel.Items.Insert(i, image);
i++;
}
// panel.Items.RemoveAt(i);
}
else
{
var source = new BitmapImage();
source.SetSource(stream);
int i = panel.Items.IndexOf(grid) + 1;
var image = new Image();
image.Source = source;
image.Tag = pic;
image.Tap += image_Tap;
panel.Items.Insert(i, image);
}
grid.Children.Clear();
}
catch
{
status.Text = "[이미지 불러오기 실패]";
}
}
public void Execute()
{
try
{
var m = new ServiceManager <GetImageCompletedEventArgs>(delegate(BodyArchitectAccessServiceClient client1, EventHandler <GetImageCompletedEventArgs> operationCompleted)
{
using (OperationContextScope ocs = new OperationContextScope(client1.InnerChannel))
{
OperationContext.Current.OutgoingMessageHeaders.Add(MessageHeader.CreateHeader("SessionId", "http://MYBASERVICE.TK/", ApplicationState.Current.SessionData.Token.SessionId));
OperationContext.Current.OutgoingMessageHeaders.Add(MessageHeader.CreateHeader("PictureId", "http://MYBASERVICE.TK/", picture.PictureIdk__BackingField));
OperationContext.Current.OutgoingMessageHeaders.Add(MessageHeader.CreateHeader("Hash", "http://MYBASERVICE.TK/", picture.Hashk__BackingField));
ApplicationState.AddCustomHeaders();
client1.GetImageCompleted -= operationCompleted;
client1.GetImageCompleted += operationCompleted;
client1.GetImageAsync();
}
});
m.OperationCompleted += (s, a) =>
{
if (a.Error != null)
{
PictureCacheItem item = new PictureCacheItem(null, picture.PictureIdk__BackingField, picture.Hashk__BackingField);
PicturesCache.Instance.AddToCache(item);
PicturesCache.Instance.Notify(new PictureInfoDTO()
{
PictureIdk__BackingField = picture.PictureIdk__BackingField, Hashk__BackingField = picture.Hashk__BackingField
});
}
else if (a.Result != null)
{
MemoryStream stream = new MemoryStream(a.Result.Result);
ExtendedImage desert = new ExtendedImage();
desert.SetSource(stream);
desert.LoadingFailed += delegate(object sender, UnhandledExceptionEventArgs e)
{
PictureCacheItem item = new PictureCacheItem(null, picture.PictureIdk__BackingField, picture.Hashk__BackingField);
PicturesCache.Instance.AddToCache(item);
PicturesCache.Instance.Notify(new PictureInfoDTO()
{
PictureIdk__BackingField = picture.PictureIdk__BackingField, Hashk__BackingField = picture.Hashk__BackingField
});
};
desert.LoadingCompleted += delegate
{
ApplicationState.SynchronizationContext.Post(delegate
{
var image = desert.ToBitmap();
PictureCacheItem item = new PictureCacheItem(image, picture.PictureIdk__BackingField, picture.Hashk__BackingField);
PicturesCache.Instance.AddToCache(item);
PicturesCache.Instance.Notify(picture);
//if (OperationCompleted != null)
//{
// OperationCompleted(this, EventArgs.Empty);
//}
}, null);
};
}
};
m.Run();
}
catch (Exception)
{
PictureCacheItem item = new PictureCacheItem(null, picture.PictureIdk__BackingField, picture.Hashk__BackingField);
PicturesCache.Instance.AddToCache(item);
PicturesCache.Instance.Notify(new PictureInfoDTO()
{
PictureIdk__BackingField = picture.PictureIdk__BackingField, Hashk__BackingField = picture.Hashk__BackingField
});
}
}