public void SetUnfocus()
{
_isFocused = false;
this.AbortAnimation("Animation");
this.ScaleTo(1, 334);
_storyboardReader?.Dispose();
_storyboardReader = null;
_previewBitmap = null;
InvalidateSurface();
}
private static unsafe DllImports.SubBitmap GetFrame(SubSkBitmap subSkBitmap)
{
return(new DllImports.SubBitmap
{
rectLeft = subSkBitmap.SkRect.Left,
rectRight = subSkBitmap.SkRect.Right,
rectTop = subSkBitmap.SkRect.Top,
rectBottom = subSkBitmap.SkRect.Bottom,
bitmapWidth = subSkBitmap.Bitmap.Width,
bitmapHeight = subSkBitmap.Bitmap.Height,
bitmapInfoColorType = (int)SkiaUtils.ConvertToFormat(subSkBitmap.Bitmap.Info.ColorType),
bitmapBytes = (byte *)subSkBitmap.Bitmap.GetPixels(),
bitmapHash = subSkBitmap.SkRect.GetHashCode() % (int.MaxValue - 1) + 1 // let 0 be invalid hash value
});
}
public void ResetFocus()
{
try
{
_animationCts?.Cancel();
}
catch (ObjectDisposedException)
{
}
_isFocused = false;
this.AbortAnimation("ScaleTo");
this.AbortAnimation("Animation");
this.ScaleTo(1);
_storyboardReader?.Dispose();
_storyboardReader = null;
_previewBitmap = null;
InvalidateSurface();
}
public async void SetFocus()
{
_isFocused = true;
#pragma warning disable 4014
this.ScaleTo(0.9);
#pragma warning restore 4014
InvalidateSurface();
if (ContentTilePreviewPath != null && _storyboardReader == null)
{
_storyboardReader = new StoryboardReader(Path.Combine(Application.Current.DirectoryInfo.Resource,
ContentTilePreviewPath));
}
await Task.Delay(TimeSpan.FromMilliseconds(500));
if (_storyboardReader == null || !_isFocused)
{
return;
}
var tilePreviewDuration = _storyboardReader.Duration();
var animation = new Animation
{
{
0, 1, new Animation(t =>
{
var position = TimeSpan.FromMilliseconds(t);
var previewBitmap = _storyboardReader.GetFrame(position);
if (previewBitmap == null)
{
return;
}
_previewBitmap = previewBitmap;
InvalidateSurface();
}, 0,
tilePreviewDuration.TotalMilliseconds)
}
};
animation.Commit(this, "Animation", 1000 / 5, (uint)(tilePreviewDuration.TotalMilliseconds / 6), repeat: () => true);
}
public async void SetFocus()
{
using (_animationCts = new CancellationTokenSource())
{
var token = _animationCts.Token;
try
{
_isFocused = true;
this.AbortAnimation("ScaleTo");
await this.ScaleTo(0.9);
if (!_isFocused)
{
return;
}
InvalidateSurface();
if (ContentTilePreviewPath == null)
{
return;
}
if (_storyboardReader == null)
{
_storyboardReader = new StoryboardReader(ContentTilePreviewPath,
StoryboardReader.PreloadingStrategy.PreloadOnlyRemoteSources);
}
await Task.WhenAll(Task.Delay(500), _storyboardReader.LoadTask).WaitAsync(token);
if (_storyboardReader == null || !_isFocused)
{
return;
}
var tilePreviewDuration = _storyboardReader.Duration();
var animation = new Animation
{
{
0, 1, new Animation(t =>
{
var position = TimeSpan.FromMilliseconds(t);
var previewBitmap = _storyboardReader.GetFrame(position);
if (previewBitmap == null)
{
return;
}
_previewBitmap = previewBitmap;
InvalidateSurface();
}, 0,
tilePreviewDuration.TotalMilliseconds)
}
};
animation.Commit(this, "Animation", 1000 / 5, (uint)(tilePreviewDuration.TotalMilliseconds / 6),
repeat: () => true);
}
catch (TaskCanceledException)
{
}
catch (Exception ex)
{
_logger.Error(ex);
}
}
}
