public bool Translate(string _from, string _to, string _text, out string buf)
{
var apiurl = TranslateUri +
"?Text=" + Uri.EscapeDataString("'" + _text + "'") +
"&To=" + Uri.EscapeDataString("'" + _to + "'") +
"&$format=Raw";
using (var client = new OTWebClient())
{
client.Credentials = new NetworkCredential(ApplicationSettings.AzureMarketplaceKey, ApplicationSettings.AzureMarketplaceKey);
client.Encoding = Encoding.UTF8;
try
{
var content = client.DownloadString(apiurl);
buf = Regex.Replace(content, @"^<string[^>]*>(.*)</string>$", "$1");
return(true);
}
catch (WebException)
{
buf = null;
return(false);
}
}
}
/// <summary>
/// 指定された URL にある画像を非同期に取得するメソッド
/// </summary>
/// <param name="address">取得先の URL</param>
/// <param name="force">キャッシュを使用せずに取得する場合は true</param>
/// <returns>非同期に画像を取得するタスク</returns>
public Task <MemoryImage> DownloadImageAsync(string address, bool force = false)
{
var cancelToken = this.cancelTokenSource.Token;
return(Task.Factory.StartNew(() =>
{
Task <MemoryImage> cachedImageTask = null;
lock (this.lockObject)
{
if (force)
{
this.innerDictionary.Remove(address);
}
if (this.innerDictionary.ContainsKey(address) && !this.innerDictionary[address].IsFaulted)
{
cachedImageTask = this.innerDictionary[address];
}
}
if (cachedImageTask != null)
{
return cachedImageTask;
}
cancelToken.ThrowIfCancellationRequested();
using (var client = new OTWebClient()
{
Timeout = 10000
})
{
var imageTask = client.DownloadDataAsync(new Uri(address), cancelToken).ContinueWith(t =>
{
MemoryImage image = null;
if (t.Status == TaskStatus.RanToCompletion)
{
image = MemoryImage.CopyFromBytes(t.Result);
}
if (t.Exception != null)
{
t.Exception.Handle(e => e is WebException);
}
// FIXME: MemoryImage.Dispose() が正しいタイミングで呼ばれるように修正すべき
return image;
}, cancelToken);
lock (this.lockObject)
{
this.innerDictionary[address] = imageTask;
}
return imageTask;
}
}, cancelToken).Unwrap());
}
public new Task LoadAsync(string url)
{
this._ImageLocation = url;
if (this.loadAsyncTask != null && !this.loadAsyncTask.IsCompleted)
this.CancelAsync();
if (this.expandedInitialImage != null)
this.Image = this.expandedInitialImage;
Uri uri;
try
{
uri = new Uri(url);
}
catch (UriFormatException)
{
uri = new Uri(Path.GetFullPath(url));
}
var client = new OTWebClient();
client.DownloadProgressChanged += (s, e) =>
{
this.OnLoadProgressChanged(new ProgressChangedEventArgs(e.ProgressPercentage, e.UserState));
};
this.loadAsyncCancelTokenSource = new CancellationTokenSource();
var cancelToken = this.loadAsyncCancelTokenSource.Token;
var loadImageTask = client.DownloadDataAsync(uri, cancelToken);
// UnobservedTaskException イベントを発生させないようにする
loadImageTask.ContinueWith(t => { var ignore = t.Exception; }, TaskContinuationOptions.OnlyOnFaulted);
var uiScheduler = TaskScheduler.FromCurrentSynchronizationContext();
return loadImageTask.ContinueWith(t => {
client.Dispose();
if (t.IsFaulted) throw t.Exception;
return MemoryImage.CopyFromBytes(t.Result);
}, cancelToken)
.ContinueWith(t =>
{
if (!t.IsCanceled)
{
if (t.IsFaulted)
{
this.Image = this.expandedErrorImage;
}
else
{
this.Image = t.Result.Image;
this.memoryImage = t.Result;
}
}
var exp = t.Exception != null ? t.Exception.Flatten() : null;
this.OnLoadCompleted(new AsyncCompletedEventArgs(exp, t.IsCanceled, null));
}, uiScheduler);
}
public new Task LoadAsync(string url)
{
this._ImageLocation = url;
if (this.loadAsyncTask != null && !this.loadAsyncTask.IsCompleted)
{
this.CancelAsync();
}
this.Image = base.InitialImage;
Uri uri;
try
{
uri = new Uri(url);
}
catch (UriFormatException)
{
uri = new Uri(Path.GetFullPath(url));
}
var client = new OTWebClient();
client.DownloadProgressChanged += (s, e) =>
{
this.OnLoadProgressChanged(new ProgressChangedEventArgs(e.ProgressPercentage, e.UserState));
};
this.loadAsyncCancelTokenSource = new CancellationTokenSource();
var cancelToken = this.loadAsyncCancelTokenSource.Token;
var loadImageTask = client.DownloadDataAsync(uri, cancelToken);
// UnobservedTaskException イベントを発生させないようにする
loadImageTask.ContinueWith(t => { var ignore = t.Exception; }, TaskContinuationOptions.OnlyOnFaulted);
var uiScheduler = TaskScheduler.FromCurrentSynchronizationContext();
return(loadImageTask.ContinueWith(t => {
client.Dispose();
if (t.IsFaulted)
{
throw t.Exception;
}
return MemoryImage.CopyFromBytes(t.Result);
}, cancelToken)
.ContinueWith(t =>
{
if (!t.IsCanceled)
{
if (t.IsFaulted)
{
this.Image = base.ErrorImage;
}
else
{
this.Image = t.Result.Image;
this.memoryImage = t.Result;
}
}
var exp = t.Exception != null ? t.Exception.Flatten() : null;
this.OnLoadCompleted(new AsyncCompletedEventArgs(exp, t.IsCanceled, null));
}, uiScheduler));
}
/// <summary>
/// 指定された URL にある画像を非同期に取得するメソッド
/// </summary>
/// <param name="address">取得先の URL</param>
/// <param name="force">キャッシュを使用せずに取得する場合は true</param>
/// <returns>非同期に画像を取得するタスク</returns>
public Task<MemoryImage> DownloadImageAsync(string address, bool force = false)
{
var cancelToken = this.cancelTokenSource.Token;
return Task.Factory.StartNew(() =>
{
Task<MemoryImage> cachedImageTask = null;
lock (this.lockObject)
{
if (force)
this.innerDictionary.Remove(address);
if (this.innerDictionary.ContainsKey(address) && !this.innerDictionary[address].IsFaulted)
cachedImageTask = this.innerDictionary[address];
if (cachedImageTask != null)
return cachedImageTask;
cancelToken.ThrowIfCancellationRequested();
using (var client = new OTWebClient() { Timeout = 10000 })
{
var imageTask = client.DownloadDataAsync(new Uri(address), cancelToken).ContinueWith(t =>
{
if (t.Exception != null)
t.Exception.Handle(e => e is WebException);
if (t.Status != TaskStatus.RanToCompletion)
return null;
try
{
return MemoryImage.CopyFromBytes(t.Result);
}
catch (InvalidImageException) // 画像形式が不正
{
return null;
}
}, cancelToken);
this.innerDictionary[address] = imageTask;
return imageTask;
}
}
}, cancelToken).Unwrap();
}
public bool Translate(string _from, string _to, string _text, out string buf)
{
var apiurl = TranslateUri +
"?Text=" + Uri.EscapeDataString("'" + _text + "'") +
"&To=" + Uri.EscapeDataString("'" + _to + "'") +
"&$format=Raw";
using (var client = new OTWebClient())
{
client.Credentials = new NetworkCredential(ApplicationSettings.AzureMarketplaceKey, ApplicationSettings.AzureMarketplaceKey);
client.Encoding = Encoding.UTF8;
try
{
var content = client.DownloadString(apiurl);
buf = Regex.Replace(content, @"^<string[^>]*>(.*)</string>$", "$1");
return true;
}
catch (WebException)
{
buf = null;
return false;
}
}
}
/// <summary>
/// 指定された URL にある画像を非同期に取得するメソッド
/// </summary>
/// <param name="address">取得先の URL</param>
/// <param name="force">キャッシュを使用せずに取得する場合は true</param>
/// <returns>非同期に画像を取得するタスク</returns>
public Task<MemoryImage> DownloadImageAsync(string address, bool force = false)
{
var cancelToken = this.cancelTokenSource.Token;
return Task.Factory.StartNew(() =>
{
Task<MemoryImage> cachedImageTask = null;
lock (this.lockObject)
{
innerDictionary.TryGetValue(address, out cachedImageTask);
if (force && cachedImageTask != null)
{
this.innerDictionary.Remove(address);
if (cachedImageTask.Status == TaskStatus.RanToCompletion)
cachedImageTask.Result.Dispose();
cachedImageTask.Dispose();
cachedImageTask = null;
}
if (cachedImageTask != null)
return cachedImageTask;
cancelToken.ThrowIfCancellationRequested();
using (var client = new OTWebClient() { Timeout = 10000 })
{
var imageTask = client.DownloadDataAsync(new Uri(address), cancelToken)
.ContinueWith(t => MemoryImage.CopyFromBytes(t.Result), TaskScheduler.Default);
this.innerDictionary[address] = imageTask;
return imageTask;
}
}
}, cancelToken, TaskCreationOptions.None, TaskScheduler.Default).Unwrap();
}
/// <summary>
/// 指定された URL にある画像を非同期に取得するメソッド
/// </summary>
/// <param name="address">取得先の URL</param>
/// <param name="force">キャッシュを使用せずに取得する場合は true</param>
/// <returns>非同期に画像を取得するタスク</returns>
public Task<MemoryImage> DownloadImageAsync(string address, bool force = false)
{
var cancelToken = this.cancelTokenSource.Token;
return Task.Factory.StartNew(() =>
{
Task<MemoryImage> cachedImageTask = null;
lock (this.lockObject)
{
if (force)
this.innerDictionary.Remove(address);
if (this.innerDictionary.ContainsKey(address) && !this.innerDictionary[address].IsFaulted)
cachedImageTask = this.innerDictionary[address];
}
if (cachedImageTask != null)
return cachedImageTask;
cancelToken.ThrowIfCancellationRequested();
using (var client = new OTWebClient() { Timeout = 10000 })
{
var imageTask = client.DownloadDataAsync(new Uri(address), cancelToken).ContinueWith(t =>
{
MemoryImage image = null;
if (t.Status == TaskStatus.RanToCompletion)
{
image = MemoryImage.CopyFromBytes(t.Result);
}
if (t.Exception != null)
t.Exception.Handle(e => e is WebException);
// FIXME: MemoryImage.Dispose() が正しいタイミングで呼ばれるように修正すべき
return image;
}, cancelToken);
lock (this.lockObject)
{
this.innerDictionary[address] = imageTask;
}
return imageTask;
}
}, cancelToken).Unwrap();
}
