public void BeginSelection_FilePathTest()
{
using var twitter = new Twitter();
using var mediaSelector = new MediaSelector { Visible = false, Enabled = false };
twitter.Initialize("", "", "", 0L);
mediaSelector.Initialize(twitter, TwitterConfiguration.DefaultConfiguration(), "Twitter");
var images = new[] { "Resources/re.gif" };
Assert.Raises <EventArgs>(
x => mediaSelector.BeginSelecting += x,
x => mediaSelector.BeginSelecting -= x,
() => mediaSelector.BeginSelection(images)
);
Assert.True(mediaSelector.Visible);
Assert.True(mediaSelector.Enabled);
// 2 ページ目まで選択可能な状態
var pages = mediaSelector.ImagePageCombo.Items;
Assert.Equal(new[] { "1", "2" }, pages.Cast <object>().Select(x => x.ToString()));
// 1 ページ目が表示されている
Assert.Equal("1", mediaSelector.ImagePageCombo.Text);
Assert.Equal(Path.GetFullPath("Resources/re.gif"), mediaSelector.ImagefilePathText.Text);
using var imageStream = File.OpenRead("Resources/re.gif");
using var image = MemoryImage.CopyFromStream(imageStream);
Assert.Equal(image, mediaSelector.ImageSelectedPicture.Image);
}
private MemoryImageMediaItem CreateMemoryImageMediaItem(Image image, bool noMsgBox)
{
if (image == null)
{
return(null);
}
MemoryImage memoryImage = null;
try
{
// image から png 形式の MemoryImage を生成
memoryImage = MemoryImage.CopyFromImage(image);
return(new MemoryImageMediaItem(memoryImage));
}
catch
{
memoryImage?.Dispose();
if (!noMsgBox)
{
MessageBox.Show("Unable to create MemoryImage.");
}
return(null);
}
}
public MemoryImage CreateImage()
{
using (var fs = this.FileInfo.OpenRead())
{
return(MemoryImage.CopyFromStream(fs));
}
}
public void ImagePathInput_ReplaceFileMediaItemTest()
{
using var twitter = new Twitter();
using var mediaSelector = new MediaSelector { Visible = false, Enabled = false };
twitter.Initialize("", "", "", 0L);
mediaSelector.Initialize(twitter, TwitterConfiguration.DefaultConfiguration(), "Twitter");
mediaSelector.BeginSelection(new[] { "Resources/re.gif" });
// 既に入力されているファイルパスの画像
var image1 = mediaSelector.ImageSelectedPicture.Image;
// 別の画像のファイルパスを入力
mediaSelector.ImagefilePathText.Text = Path.GetFullPath("Resources/re1.png");
TestUtils.Validate(mediaSelector.ImagefilePathText);
// 入力したパスの画像が表示される
using (var imageStream = File.OpenRead("Resources/re1.png"))
{
using var image2 = MemoryImage.CopyFromStream(imageStream);
Assert.Equal(image2, mediaSelector.ImageSelectedPicture.Image);
}
// 最初に入力されていたファイルパスの表示用の MemoryImage は破棄される
Assert.True(image1 !.IsDisposed);
}
public void BeginSelection_MemoryImageTest()
{
using var twitter = new Twitter();
using var mediaSelector = new MediaSelector { Visible = false, Enabled = false };
twitter.Initialize("", "", "", 0L);
mediaSelector.Initialize(twitter, TwitterConfiguration.DefaultConfiguration(), "Twitter");
using (var bitmap = new Bitmap(width: 200, height: 200))
{
Assert.Raises <EventArgs>(
x => mediaSelector.BeginSelecting += x,
x => mediaSelector.BeginSelecting -= x,
() => mediaSelector.BeginSelection(bitmap)
);
}
Assert.True(mediaSelector.Visible);
Assert.True(mediaSelector.Enabled);
// 2 ページ目まで選択可能な状態
var pages = mediaSelector.ImagePageCombo.Items;
Assert.Equal(new[] { "1", "2" }, pages.Cast <object>().Select(x => x.ToString()));
// 1 ページ目が表示されている
Assert.Equal("1", mediaSelector.ImagePageCombo.Text);
Assert.Matches(@"^<>MemoryImage://\d+.png$", mediaSelector.ImagefilePathText.Text);
using (var bitmap = new Bitmap(width: 200, height: 200))
{
using var image = MemoryImage.CopyFromImage(bitmap);
Assert.Equal(image, mediaSelector.ImageSelectedPicture.Image);
}
}
public void ImagePathInput_Test()
{
using (var twitter = new Twitter())
using (var mediaSelector = new MediaSelector {
Visible = false, Enabled = false
})
{
twitter.Initialize("", "", "", 0L);
mediaSelector.Initialize(twitter, TwitterConfiguration.DefaultConfiguration(), "Twitter");
mediaSelector.BeginSelection();
// 画像のファイルパスを入力
mediaSelector.ImagefilePathText.Text = Path.GetFullPath("Resources/re1.png");
TestUtils.Validate(mediaSelector.ImagefilePathText);
// 入力したパスの画像が表示される
using (var imageStream = File.OpenRead("Resources/re1.png"))
using (var image = MemoryImage.CopyFromStream(imageStream))
{
Assert.Equal(image, mediaSelector.ImageSelectedPicture.Image);
}
// 2 ページ目まで選択可能な状態
var pages = mediaSelector.ImagePageCombo.Items;
Assert.Equal(new[] { "1", "2" }, pages.Cast <object>().Select(x => x.ToString()));
}
}
private async Task SetUserImageAsync(string imageUri, CancellationToken cancellationToken)
{
var oldImage = this.UserPicture.Image;
this.UserPicture.Image = null;
oldImage?.Dispose();
// ProfileImageUrlHttps が null になる場合があるらしい
// 参照: https://sourceforge.jp/ticket/browse.php?group_id=6526&tid=33871
if (imageUri == null)
{
return;
}
await this.UserPicture.SetImageFromTask(async() =>
{
var uri = imageUri.Replace("_normal", "_bigger");
using (var imageStream = await Networking.Http.GetStreamAsync(uri).ConfigureAwait(false))
{
var image = await MemoryImage.CopyFromStreamAsync(imageStream)
.ConfigureAwait(false);
if (cancellationToken.IsCancellationRequested)
{
image.Dispose();
throw new OperationCanceledException(cancellationToken);
}
return(image);
}
});
}
public void BeginSelection_MultiImageTest()
{
using (var twitter = new Twitter())
using (var mediaSelector = new MediaSelector {
Visible = false, Enabled = false
})
{
twitter.Initialize("", "", "", 0L);
mediaSelector.Initialize(twitter, TwitterConfiguration.DefaultConfiguration(), "Twitter");
var images = new[] { "Resources/re.gif", "Resources/re1.png" };
mediaSelector.BeginSelection(images);
// 3 ページ目まで選択可能な状態
var pages = mediaSelector.ImagePageCombo.Items;
Assert.Equal(new[] { "1", "2", "3" }, pages.Cast <object>().Select(x => x.ToString()));
// 1 ページ目が表示されている
Assert.Equal("1", mediaSelector.ImagePageCombo.Text);
Assert.Equal(Path.GetFullPath("Resources/re.gif"), mediaSelector.ImagefilePathText.Text);
using (var imageStream = File.OpenRead("Resources/re.gif"))
using (var image = MemoryImage.CopyFromStream(imageStream))
{
Assert.Equal(image, mediaSelector.ImageSelectedPicture.Image);
}
}
}
private async Task LoadUserIconAsync(Uri imageUri, long userId)
{
var oldImage = this.UserIcon.Image;
this.UserIcon.Image = null;
oldImage?.Dispose();
await this.UserIcon.SetImageFromTask(async() =>
{
var uri = imageUri.AbsoluteUri.Replace("_normal", "_bigger");
using (var imageStream = await Networking.Http.GetStreamAsync(uri))
{
var image = await MemoryImage.CopyFromStreamAsync(imageStream);
// 画像の読み込み中に選択中のユーザーが変化していたらキャンセルとして扱う
var selectedUser = (UserInfo)this.UserList.SelectedItem;
if (selectedUser.Id != userId)
{
image.Dispose();
throw new OperationCanceledException();
}
return(image);
}
});
}
public void CopyFromImage_Test()
{
using (var bitmap = new Bitmap(width: 200, height: 200))
{
// MemoryImage をエラー無く作成できることをテストする
using (var image = MemoryImage.CopyFromImage(bitmap)) { }
}
}
public MemoryImageMediaItem(MemoryImage image)
{
this._image = image ?? throw new ArgumentNullException(nameof(image));
var num = Interlocked.Increment(ref _fileNumber);
this.Path = PathPrefix + num + this._image.ImageFormatExt;
}
/// <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 async Task ImageFormat_GifTest()
{
using (var imgStream = File.OpenRead("Resources/re.gif"))
using (var image = await MemoryImage.CopyFromStreamAsync(imgStream).ConfigureAwait(false))
{
Assert.Equal(ImageFormat.Gif, image.ImageFormat);
Assert.Equal(".gif", image.ImageFormatExt);
}
}
public static MemoryImage CreateDummyImage()
{
using var bitmap = new Bitmap(100, 100);
using var stream = new MemoryStream();
bitmap.Save(stream, ImageFormat.Png);
stream.Position = 0;
return(MemoryImage.CopyFromStream(stream));
}
public void ImageFormat_CopyFromImageTest()
{
using (var bitmap = new Bitmap(width: 200, height: 200))
using (var image = MemoryImage.CopyFromImage(bitmap))
{
// CopyFromImage から作成した MemoryImage は PNG 画像として扱われる
Assert.Equal(ImageFormat.Png, image.ImageFormat);
Assert.Equal(".png", image.ImageFormatExt);
}
}
private async Task <MemoryImage> FetchImageAsync(string uri, CancellationToken cancelToken)
{
using (var response = await Networking.Http.GetAsync(uri, cancelToken).ConfigureAwait(false))
{
response.EnsureSuccessStatusCode();
using (var imageStream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
{
return(await MemoryImage.CopyFromStreamAsync(imageStream)
.ConfigureAwait(false));
}
}
}
public void PageChange_Test()
{
using (var twitter = new Twitter())
using (var mediaSelector = new MediaSelector {
Visible = false, Enabled = false
})
{
twitter.Initialize("", "", "", 0L);
mediaSelector.Initialize(twitter, TwitterConfiguration.DefaultConfiguration(), "Twitter");
var images = new[] { "Resources/re.gif", "Resources/re1.png" };
mediaSelector.BeginSelection(images);
mediaSelector.ImagePageCombo.SelectedIndex = 0;
// 1 ページ目
Assert.Equal("1", mediaSelector.ImagePageCombo.Text);
Assert.Equal(Path.GetFullPath("Resources/re.gif"), mediaSelector.ImagefilePathText.Text);
using (var imageStream = File.OpenRead("Resources/re.gif"))
using (var image = MemoryImage.CopyFromStream(imageStream))
{
Assert.Equal(image, mediaSelector.ImageSelectedPicture.Image);
}
mediaSelector.ImagePageCombo.SelectedIndex = 1;
// 2 ページ目
Assert.Equal("2", mediaSelector.ImagePageCombo.Text);
Assert.Equal(Path.GetFullPath("Resources/re1.png"), mediaSelector.ImagefilePathText.Text);
using (var imageStream = File.OpenRead("Resources/re1.png"))
using (var image = MemoryImage.CopyFromStream(imageStream))
{
Assert.Equal(image, mediaSelector.ImageSelectedPicture.Image);
}
mediaSelector.ImagePageCombo.SelectedIndex = 2;
// 3 ページ目 (新規ページ)
Assert.Equal("3", mediaSelector.ImagePageCombo.Text);
Assert.Equal("", mediaSelector.ImagefilePathText.Text);
Assert.Null(mediaSelector.ImageSelectedPicture.Image);
}
}
public async Task Equals_Test()
{
using (var imgStream1 = File.OpenRead("Resources/re.gif"))
using (var image1 = await MemoryImage.CopyFromStreamAsync(imgStream1).ConfigureAwait(false))
{
using (var imgStream2 = File.OpenRead("Resources/re.gif"))
using (var image2 = await MemoryImage.CopyFromStreamAsync(imgStream2).ConfigureAwait(false))
{
Assert.True(image1.Equals(image2));
Assert.True(image2.Equals(image1));
}
using (var image3 = TestUtils.CreateDummyImage())
{
Assert.False(image1.Equals(image3));
Assert.False(image3.Equals(image1));
}
}
}
public void ImagePathInput_ReplaceMemoryImageMediaItemTest()
{
using (var twitter = new Twitter())
using (var mediaSelector = new MediaSelector {
Visible = false, Enabled = false
})
{
twitter.Initialize("", "", "", 0L);
mediaSelector.Initialize(twitter, TwitterConfiguration.DefaultConfiguration(), "Twitter");
using (var bitmap = new Bitmap(width: 200, height: 200))
{
mediaSelector.BeginSelection(bitmap);
}
// 既に入力されているファイルパスの画像
var image1 = mediaSelector.ImageSelectedPicture.Image;
// 内部で保持されている MemoryImageMediaItem を取り出す
var selectedMedia = mediaSelector.ImagePageCombo.SelectedItem;
var mediaProperty = selectedMedia.GetType().GetProperty("Item");
var mediaItem = (MemoryImageMediaItem)mediaProperty.GetValue(selectedMedia);
// 別の画像のファイルパスを入力
mediaSelector.ImagefilePathText.Text = Path.GetFullPath("Resources/re1.png");
TestUtils.Validate(mediaSelector.ImagefilePathText);
// 入力したパスの画像が表示される
using (var imageStream = File.OpenRead("Resources/re1.png"))
using (var image2 = MemoryImage.CopyFromStream(imageStream))
{
Assert.Equal(image2, mediaSelector.ImageSelectedPicture.Image);
}
// 最初に入力されていたファイルパスの表示用の MemoryImage は破棄される
Assert.True(image1.IsDisposed);
// 参照されなくなった MemoryImageMediaItem も破棄される
Assert.True(mediaItem.IsDisposed);
}
}
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>
/// MemoryImage インスタンスを非同期に複製します
/// </summary>
/// <remarks>
/// メソッド実行中にストリームのシークが行われないよう注意して下さい。
/// 特に PictureBox で Gif アニメーションを表示している場合は Enabled に false をセットするなどして更新を止めて下さい。
/// </remarks>
/// <returns>複製された MemoryImage を返すタスク</returns>
public Task <MemoryImage> CloneAsync()
{
this.Stream.Seek(0, SeekOrigin.Begin);
return(MemoryImage.CopyFromStreamAsync(this.Stream));
}
/// <summary>
/// MemoryImage インスタンスを複製します
/// </summary>
/// <remarks>
/// メソッド実行中にストリームのシークが行われないよう注意して下さい。
/// 特に PictureBox で Gif アニメーションを表示している場合は Enabled に false をセットするなどして更新を止めて下さい。
/// </remarks>
/// <returns>複製された MemoryImage</returns>
public MemoryImage Clone()
{
this.Stream.Seek(0, SeekOrigin.Begin);
return(MemoryImage.CopyFromStream(this.Stream));
}
public MemoryImageMediaItem(Image image)
{
if (image == null)
throw new ArgumentNullException("image");
// image から png 形式の MemoryImage を生成
this._image = MemoryImage.CopyFromImage(image);
var num = Interlocked.Increment(ref _fileNumber);
this._path = PathPrefix + num + this._image.ImageFormatExt;
}
protected ThumbnailZoomWindow(MemoryImage thumbnail, ThumbnailInfo thumbInfo, Rectangle startupBounds, Point originPos)
{
this.startupBounds = startupBounds;
this.originPos = originPos;
using (ControlTransaction.Layout(this, false))
{
this.DoubleBuffered = true;
this.TopMost = true;
this.FormBorderStyle = FormBorderStyle.None;
this.ShowInTaskbar = false;
this.StartPosition = FormStartPosition.Manual;
this.Bounds = startupBounds;
this.Capture = true;
this.MouseMove += ThumbnailZoomWindow_MouseMove;
this.MouseUp += ThumbnailZoomWindow_MouseUp;
var picbox = new OTPictureBox()
{
Name = "picbox",
Image = thumbnail,
Tag = thumbInfo,
SizeMode = PictureBoxSizeMode.Zoom,
WaitOnLoad = false,
Dock = DockStyle.Fill,
};
this.Controls.Add(picbox);
picbox.MouseMove += ThumbnailZoomWindow_MouseMove;
picbox.MouseUp += ThumbnailZoomWindow_MouseUp;
}
}
private void ImageFromSelectedFile(int index, string fileName, bool suppressMsgBox)
{
var serviceName = this.ServiceName;
if (string.IsNullOrEmpty(serviceName))
{
return;
}
var selectedIndex = ImagePageCombo.SelectedIndex;
if (index < 0)
{
index = selectedIndex;
}
if (index >= ImagePageCombo.Items.Count)
{
throw new ArgumentOutOfRangeException("index");
}
var imageService = this.pictureService[serviceName];
var isSelectedPage = (index == selectedIndex);
if (isSelectedPage)
{
this.ClearImageSelectedPicture();
}
if (string.IsNullOrEmpty(fileName))
{
ClearImagePage(index);
return;
}
try
{
FileInfo fl = new FileInfo(fileName);
string ext = fl.Extension;
if (!imageService.CheckFileExtension(ext))
{
//画像以外の形式
ClearImagePage(index);
if (!suppressMsgBox)
{
MessageBox.Show(
string.Format(Properties.Resources.PostPictureWarn3, serviceName, MakeAvailableServiceText(ext, fl.Length), ext, fl.Name),
Properties.Resources.PostPictureWarn4,
MessageBoxButtons.OK,
MessageBoxIcon.Warning);
}
return;
}
if (!imageService.CheckFileSize(ext, fl.Length))
{
// ファイルサイズが大きすぎる
ClearImagePage(index);
if (!suppressMsgBox)
{
MessageBox.Show(
string.Format(Properties.Resources.PostPictureWarn5, serviceName, MakeAvailableServiceText(ext, fl.Length), fl.Name),
Properties.Resources.PostPictureWarn4,
MessageBoxButtons.OK,
MessageBoxIcon.Warning);
}
return;
}
try
{
using (var fs = File.OpenRead(fileName))
{
var image = MemoryImage.CopyFromStream(fs);
if (isSelectedPage)
{
ImageSelectedPicture.Image = image;
}
else
{
image.Dispose(); //画像チェック後は使わないので破棄する
}
}
SetImagePage(index, fileName, MyCommon.UploadFileType.Picture);
}
catch (InvalidImageException)
{
SetImagePage(index, fileName, MyCommon.UploadFileType.MultiMedia);
}
}
catch (FileNotFoundException)
{
ClearImagePage(index);
if (!suppressMsgBox)
{
MessageBox.Show("File not found.");
}
}
catch (Exception)
{
ClearImagePage(index);
if (!suppressMsgBox)
{
MessageBox.Show("The type of this file is not image.");
}
}
}
public MemoryImageMediaItem(MemoryImage image)
{
if (image == null)
throw new ArgumentNullException(nameof(image));
this._image = image;
var num = Interlocked.Increment(ref _fileNumber);
this.Path = PathPrefix + num + this._image.ImageFormatExt;
}
