public void SizeMode_SetterGetterTest()
{
using (var picbox = new OTPictureBox())
{
picbox.SizeMode = PictureBoxSizeMode.Zoom;
Assert.Equal(PictureBoxSizeMode.Zoom, picbox.SizeMode);
Assert.Equal(PictureBoxSizeMode.Zoom, ((PictureBox)picbox).SizeMode);
}
}
public void SizeMode_SetterGetterTest()
{
using (var picbox = new OTPictureBox())
{
picbox.SizeMode = PictureBoxSizeMode.Zoom;
Assert.Equal(PictureBoxSizeMode.Zoom, picbox.SizeMode);
Assert.Equal(PictureBoxSizeMode.Zoom, ((PictureBox)picbox).SizeMode);
}
}
public void SizeMode_ErrorImageTest2()
{
using (var picbox = new OTPictureBox())
{
picbox.ShowErrorImage();
picbox.SizeMode = PictureBoxSizeMode.Zoom;
Assert.Equal(PictureBoxSizeMode.Zoom, picbox.SizeMode);
Assert.Equal(PictureBoxSizeMode.CenterImage, ((PictureBox)picbox).SizeMode);
}
}
public void SizeMode_ErrorImageTest2()
{
using (var picbox = new OTPictureBox())
{
picbox.ShowErrorImage();
picbox.SizeMode = PictureBoxSizeMode.Zoom;
Assert.Equal(PictureBoxSizeMode.Zoom, picbox.SizeMode);
Assert.Equal(PictureBoxSizeMode.CenterImage, ((PictureBox)picbox).SizeMode);
}
}
public void SizeMode_RestoreTest()
{
using (var picbox = new OTPictureBox())
{
picbox.SizeMode = PictureBoxSizeMode.Zoom;
picbox.ShowErrorImage();
picbox.Image = TestUtils.CreateDummyImage();
Assert.Equal(PictureBoxSizeMode.Zoom, picbox.SizeMode);
Assert.Equal(PictureBoxSizeMode.Zoom, ((PictureBox)picbox).SizeMode);
}
}
public void SizeMode_RestoreTest()
{
using (var picbox = new OTPictureBox())
{
picbox.SizeMode = PictureBoxSizeMode.Zoom;
picbox.ShowErrorImage();
picbox.Image = TestUtils.CreateDummyImage();
Assert.Equal(PictureBoxSizeMode.Zoom, picbox.SizeMode);
Assert.Equal(PictureBoxSizeMode.Zoom, ((PictureBox)picbox).SizeMode);
}
}
public async Task SetImageFromAsync_ErrorTest()
{
using (var picbox = new OTPictureBox())
{
// Mono でのテスト実行時にデッドロックする問題の対策
SynchronizationContext.SetSynchronizationContext(new SynchronizationContext());
var tcs = new TaskCompletionSource <MemoryImage>();
var setImageTask = picbox.SetImageFromTask(() => tcs.Task);
Assert.Equal(picbox.InitialImage, ((PictureBox)picbox).Image);
tcs.SetException(new InvalidImageException());
await setImageTask;
Assert.Equal(picbox.ErrorImage, ((PictureBox)picbox).Image);
}
}
public async Task SetImageFromAsync_Test()
{
using (var picbox = new OTPictureBox())
{
// Mono でのテスト実行時にデッドロックする問題の対策
SynchronizationContext.SetSynchronizationContext(new SynchronizationContext());
var tcs = new TaskCompletionSource <MemoryImage>();
var setImageTask = picbox.SetImageFromTask(() => tcs.Task);
Assert.Equal(picbox.InitialImage, ((PictureBox)picbox).Image);
var image = TestUtils.CreateDummyImage();
tcs.SetResult(image);
await setImageTask;
Assert.Equal(image, picbox.Image);
}
}
public async Task SetImageFromAsync_Test()
{
using (var picbox = new OTPictureBox())
{
// Mono でのテスト実行時にデッドロックする問題の対策
SynchronizationContext.SetSynchronizationContext(new SynchronizationContext());
var tcs = new TaskCompletionSource<MemoryImage>();
var setImageTask = picbox.SetImageFromTask(() => tcs.Task);
Assert.Equal(picbox.InitialImage, ((PictureBox)picbox).Image);
var image = TestUtils.CreateDummyImage();
tcs.SetResult(image);
await setImageTask;
Assert.Equal(image, picbox.Image);
}
}
public async Task SetImageFromAsync_ErrorTest()
{
using (var picbox = new OTPictureBox())
{
// Mono でのテスト実行時にデッドロックする問題の対策
SynchronizationContext.SetSynchronizationContext(new SynchronizationContext());
var tcs = new TaskCompletionSource<MemoryImage>();
var setImageTask = picbox.SetImageFromTask(() => tcs.Task);
Assert.Equal(picbox.InitialImage, ((PictureBox)picbox).Image);
tcs.SetException(new InvalidImageException());
await setImageTask;
Assert.Equal(picbox.ErrorImage, ((PictureBox)picbox).Image);
}
}
public static void Show(OTPictureBox picbox, Point originPos)
{
if (picbox == null || picbox.Image == null)
throw new ArgumentNullException("picbox");
if (picbox.IsDisposed)
throw new ObjectDisposedException("picbox");
// ポップアップ表示中は、サムネイル枠の画像を乗っ取ってダミーとすり替えておく
var thumbnail = picbox.Image;
picbox.Image = null;
var popup = new ThumbnailZoomWindow(thumbnail, (ThumbnailInfo)picbox.Tag, picbox.RectangleToScreen(picbox.Bounds), picbox.PointToScreen(originPos))
{
BackColor = picbox.BackColor,
};
popup.Disposed += (s, e) =>
{
// 乗っ取った画像は、サムネイル枠に戻せるなら戻し、戻せないなら破棄する
if (!picbox.IsDisposed)
picbox.Image = thumbnail;
else
thumbnail.Dispose();
};
popup.Show();
picbox.Update();
}
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 async Task SetThumbnailImageAsync(OTPictureBox picbox, ThumbnailInfo thumbInfo,
CancellationToken cancelToken)
{
try
{
picbox.ShowInitialImage();
picbox.MouseDown += this.pictureBox_MouseDown;
picbox.MouseUp += this.pictureBox_MouseUp;
picbox.Image = await thumbInfo.LoadThumbnailImageAsync(cancelToken);
cancelToken.ThrowIfCancellationRequested();
picbox.MouseMove += this.pictureBox_MouseMove;
if (this.ThumbnailLoadCompleted != null)
this.ThumbnailLoadCompleted(picbox, EventArgs.Empty);
}
catch (Exception)
{
picbox.ShowErrorImage();
try
{
throw;
}
catch (HttpRequestException) { }
catch (InvalidImageException) { }
catch (TaskCanceledException) { }
catch (WebException) { }
}
}
private async Task SetThumbnailImageAsync(OTPictureBox picbox, ThumbnailInfo thumbInfo,
CancellationToken cancelToken)
{
try
{
picbox.ShowInitialImage();
picbox.Image = await thumbInfo.LoadThumbnailImageAsync(cancelToken);
}
catch (Exception)
{
picbox.ShowErrorImage();
try
{
throw;
}
catch (HttpRequestException) { }
catch (InvalidImageException) { }
catch (TaskCanceledException) { }
}
}
